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stringlengths 22
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d2a_function_data_5440
|
static int64_t get_pts(const char **buf, int *duration,
int32_t *x1, int32_t *y1, int32_t *x2, int32_t *y2)
{
int i;
for (i=0; i<2; i++) {
int hh1, mm1, ss1, ms1;
int hh2, mm2, ss2, ms2;
if (sscanf(*buf, "%d:%2d:%2d%*1[,.]%3d --> %d:%2d:%2d%*1[,.]%3d"
"%*[ ]X1:%u X2:%u Y1:%u Y2:%u",
&hh1, &mm1, &ss1, &ms1,
&hh2, &mm2, &ss2, &ms2,
x1, x2, y1, y2) >= 8) {
int64_t start = (hh1*3600LL + mm1*60LL + ss1) * 1000LL + ms1;
int64_t end = (hh2*3600LL + mm2*60LL + ss2) * 1000LL + ms2;
*duration = end - start;
*buf += strcspn(*buf, "\n") + 1;
return start;
}
*buf += strcspn(*buf, "\n") + 1;
}
return AV_NOPTS_VALUE;
}
|
d2a_function_data_5441
|
static ngx_int_t
ngx_http_limit_req_lookup(ngx_http_limit_req_conf_t *lrcf, ngx_uint_t hash,
u_char *data, size_t len, ngx_http_limit_req_node_t **lrp)
{
ngx_int_t rc, excess;
ngx_time_t *tp;
ngx_msec_t now;
ngx_msec_int_t ms;
ngx_rbtree_node_t *node, *sentinel;
ngx_http_limit_req_ctx_t *ctx;
ngx_http_limit_req_node_t *lr;
ctx = lrcf->shm_zone->data;
node = ctx->sh->rbtree.root;
sentinel = ctx->sh->rbtree.sentinel;
while (node != sentinel) {
if (hash < node->key) {
node = node->left;
continue;
}
if (hash > node->key) {
node = node->right;
continue;
}
/* hash == node->key */
do {
lr = (ngx_http_limit_req_node_t *) &node->color;
rc = ngx_memn2cmp(data, lr->data, len, (size_t) lr->len);
if (rc == 0) {
tp = ngx_timeofday();
now = (ngx_msec_t) (tp->sec * 1000 + tp->msec);
ms = (ngx_msec_int_t) (now - lr->last);
excess = lr->excess - ctx->rate * ngx_abs(ms) / 1000 + 1000;
if (excess < 0) {
excess = 0;
}
if ((ngx_uint_t) excess > lrcf->burst) {
*lrp = lr;
return NGX_BUSY;
}
lr->excess = excess;
lr->last = now;
*lrp = lr;
if (excess) {
return NGX_AGAIN;
}
return NGX_OK;
}
node = (rc < 0) ? node->left : node->right;
} while (node != sentinel && hash == node->key);
break;
}
*lrp = NULL;
return NGX_DECLINED;
}
|
d2a_function_data_5442
|
STACK_OF(X509_INFO) *PEM_X509_INFO_read_bio(BIO *bp, STACK_OF(X509_INFO) *sk, int (*cb)())
{
X509_INFO *xi=NULL;
char *name=NULL,*header=NULL,**pp;
unsigned char *data=NULL,*p;
long len,error=0;
int ok=0;
STACK_OF(X509_INFO) *ret=NULL;
unsigned int i,raw;
char *(*d2i)();
if (sk == NULL)
{
if ((ret=sk_X509_INFO_new_null()) == NULL)
{
PEMerr(PEM_F_PEM_X509_INFO_READ_BIO,ERR_R_MALLOC_FAILURE);
goto err;
}
}
else
ret=sk;
if ((xi=X509_INFO_new()) == NULL) goto err;
for (;;)
{
raw=0;
i=PEM_read_bio(bp,&name,&header,&data,&len);
if (i == 0)
{
error=ERR_GET_REASON(ERR_peek_error());
if (error == PEM_R_NO_START_LINE)
{
ERR_clear_error();
break;
}
goto err;
}
start:
if ( (strcmp(name,PEM_STRING_X509) == 0) ||
(strcmp(name,PEM_STRING_X509_OLD) == 0))
{
d2i=(char *(*)())d2i_X509;
if (xi->x509 != NULL)
{
if (!sk_X509_INFO_push(ret,xi)) goto err;
if ((xi=X509_INFO_new()) == NULL) goto err;
goto start;
}
pp=(char **)&(xi->x509);
}
else if (strcmp(name,PEM_STRING_X509_CRL) == 0)
{
d2i=(char *(*)())d2i_X509_CRL;
if (xi->crl != NULL)
{
if (!sk_X509_INFO_push(ret,xi)) goto err;
if ((xi=X509_INFO_new()) == NULL) goto err;
goto start;
}
pp=(char **)&(xi->crl);
}
else
#ifndef NO_RSA
if (strcmp(name,PEM_STRING_RSA) == 0)
{
d2i=(char *(*)())d2i_RSAPrivateKey;
if (xi->x_pkey != NULL)
{
if (!sk_X509_INFO_push(ret,xi)) goto err;
if ((xi=X509_INFO_new()) == NULL) goto err;
goto start;
}
xi->enc_data=NULL;
xi->enc_len=0;
xi->x_pkey=X509_PKEY_new();
if ((xi->x_pkey->dec_pkey=EVP_PKEY_new()) == NULL)
goto err;
xi->x_pkey->dec_pkey->type=EVP_PKEY_RSA;
pp=(char **)&(xi->x_pkey->dec_pkey->pkey.rsa);
if ((int)strlen(header) > 10) /* assume encrypted */
raw=1;
}
else
#endif
#ifndef NO_DSA
if (strcmp(name,PEM_STRING_DSA) == 0)
{
d2i=(char *(*)())d2i_DSAPrivateKey;
if (xi->x_pkey != NULL)
{
if (!sk_X509_INFO_push(ret,xi)) goto err;
if ((xi=X509_INFO_new()) == NULL) goto err;
goto start;
}
xi->enc_data=NULL;
xi->enc_len=0;
xi->x_pkey=X509_PKEY_new();
if ((xi->x_pkey->dec_pkey=EVP_PKEY_new()) == NULL)
goto err;
xi->x_pkey->dec_pkey->type=EVP_PKEY_DSA;
pp=(char **)&(xi->x_pkey->dec_pkey->pkey.dsa);
if ((int)strlen(header) > 10) /* assume encrypted */
raw=1;
}
else
#endif
{
d2i=NULL;
pp=NULL;
}
if (d2i != NULL)
{
if (!raw)
{
EVP_CIPHER_INFO cipher;
if (!PEM_get_EVP_CIPHER_INFO(header,&cipher))
goto err;
if (!PEM_do_header(&cipher,data,&len,cb))
goto err;
p=data;
if (d2i(pp,&p,len) == NULL)
{
PEMerr(PEM_F_PEM_X509_INFO_READ_BIO,ERR_R_ASN1_LIB);
goto err;
}
}
else
{ /* encrypted RSA data */
if (!PEM_get_EVP_CIPHER_INFO(header,
&xi->enc_cipher)) goto err;
xi->enc_data=(char *)data;
xi->enc_len=(int)len;
data=NULL;
}
}
else {
/* unknown */
}
if (name != NULL) Free(name);
if (header != NULL) Free(header);
if (data != NULL) Free(data);
name=NULL;
header=NULL;
data=NULL;
}
/* if the last one hasn't been pushed yet and there is anything
* in it then add it to the stack ...
*/
if ((xi->x509 != NULL) || (xi->crl != NULL) ||
(xi->x_pkey != NULL) || (xi->enc_data != NULL))
{
if (!sk_X509_INFO_push(ret,xi)) goto err;
xi=NULL;
}
ok=1;
err:
if (xi != NULL) X509_INFO_free(xi);
if (!ok)
{
for (i=0; ((int)i)<sk_X509_INFO_num(ret); i++)
{
xi=sk_X509_INFO_value(ret,i);
X509_INFO_free(xi);
}
if (ret != sk) sk_X509_INFO_free(ret);
ret=NULL;
}
if (name != NULL) Free(name);
if (header != NULL) Free(header);
if (data != NULL) Free(data);
return(ret);
}
|
d2a_function_data_5443
|
static int get_video_buffer(AVFrame *frame, int align)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
int ret, i;
if (!desc)
return AVERROR(EINVAL);
if ((ret = av_image_check_size(frame->width, frame->height, 0, NULL)) < 0)
return ret;
if (!frame->linesize[0]) {
for(i=1; i<=align; i+=i) {
ret = av_image_fill_linesizes(frame->linesize, frame->format,
FFALIGN(frame->width, i));
if (ret < 0)
return ret;
if (!(frame->linesize[0] & (align-1)))
break;
}
for (i = 0; i < 4 && frame->linesize[i]; i++)
frame->linesize[i] = FFALIGN(frame->linesize[i], align);
}
for (i = 0; i < 4 && frame->linesize[i]; i++) {
int h = FFALIGN(frame->height, 32);
if (i == 1 || i == 2)
h = FF_CEIL_RSHIFT(h, desc->log2_chroma_h);
frame->buf[i] = av_buffer_alloc(frame->linesize[i] * h + 16 + 16/*STRIDE_ALIGN*/ - 1);
if (!frame->buf[i])
goto fail;
frame->data[i] = frame->buf[i]->data;
}
if (desc->flags & AV_PIX_FMT_FLAG_PAL || desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL) {
av_buffer_unref(&frame->buf[1]);
frame->buf[1] = av_buffer_alloc(1024);
if (!frame->buf[1])
goto fail;
frame->data[1] = frame->buf[1]->data;
}
frame->extended_data = frame->data;
return 0;
fail:
av_frame_unref(frame);
return AVERROR(ENOMEM);
}
|
d2a_function_data_5444
|
static int theora_packet(AVFormatContext *s, int idx)
{
struct ogg *ogg = s->priv_data;
struct ogg_stream *os = ogg->streams + idx;
int duration;
/* first packet handling
here we parse the duration of each packet in the first page and compare
the total duration to the page granule to find the encoder delay and
set the first timestamp */
if ((!os->lastpts || os->lastpts == AV_NOPTS_VALUE) && !(os->flags & OGG_FLAG_EOS)) {
int seg;
duration = 1;
for (seg = os->segp; seg < os->nsegs; seg++) {
if (os->segments[seg] < 255)
duration ++;
}
os->lastpts = os->lastdts = theora_gptopts(s, idx, os->granule, NULL) - duration;
if(s->streams[idx]->start_time == AV_NOPTS_VALUE) {
s->streams[idx]->start_time = os->lastpts;
if (s->streams[idx]->duration > 0)
s->streams[idx]->duration -= s->streams[idx]->start_time;
}
}
/* parse packet duration */
if (os->psize > 0) {
os->pduration = 1;
}
return 0;
}
|
d2a_function_data_5445
|
static av_always_inline void
yuv2yuvX16_c_template(const int16_t *lumFilter, const int32_t **lumSrc,
int lumFilterSize, const int16_t *chrFilter,
const int32_t **chrUSrc, const int32_t **chrVSrc,
int chrFilterSize, const int32_t **alpSrc,
uint16_t *dest[4], int dstW, int chrDstW,
int big_endian, int output_bits)
{
//FIXME Optimize (just quickly written not optimized..)
int i;
int dword= output_bits == 16;
uint16_t *yDest = dest[0], *uDest = dest[1], *vDest = dest[2],
*aDest = CONFIG_SWSCALE_ALPHA ? dest[3] : NULL;
int shift = 11 + 4*dword + 16 - output_bits - 1;
#define output_pixel(pos, val) \
if (big_endian) { \
if (output_bits == 16) { \
AV_WB16(pos, av_clip_uint16(val >> shift)); \
} else { \
AV_WB16(pos, av_clip_uintp2(val >> shift, output_bits)); \
} \
} else { \
if (output_bits == 16) { \
AV_WL16(pos, av_clip_uint16(val >> shift)); \
} else { \
AV_WL16(pos, av_clip_uintp2(val >> shift, output_bits)); \
} \
}
for (i = 0; i < dstW; i++) {
int val = 1 << (26-output_bits + 4*dword - 1);
int j;
for (j = 0; j < lumFilterSize; j++)
val += ((dword ? lumSrc[j][i] : ((int16_t**)lumSrc)[j][i]) * lumFilter[j])>>1;
output_pixel(&yDest[i], val);
}
if (uDest) {
for (i = 0; i < chrDstW; i++) {
int u = 1 << (26-output_bits + 4*dword - 1);
int v = 1 << (26-output_bits + 4*dword - 1);
int j;
for (j = 0; j < chrFilterSize; j++) {
u += ((dword ? chrUSrc[j][i] : ((int16_t**)chrUSrc)[j][i]) * chrFilter[j]) >> 1;
v += ((dword ? chrVSrc[j][i] : ((int16_t**)chrVSrc)[j][i]) * chrFilter[j]) >> 1;
}
output_pixel(&uDest[i], u);
output_pixel(&vDest[i], v);
}
}
if (CONFIG_SWSCALE_ALPHA && aDest) {
for (i = 0; i < dstW; i++) {
int val = 1 << (26-output_bits + 4*dword - 1);
int j;
for (j = 0; j < lumFilterSize; j++)
val += ((dword ? alpSrc[j][i] : ((int16_t**)alpSrc)[j][i]) * lumFilter[j]) >> 1;
output_pixel(&aDest[i], val);
}
}
#undef output_pixel
}
|
d2a_function_data_5446
|
static ngx_inline void
ngx_event_add_timer(ngx_event_t *ev, ngx_msec_t timer)
{
ngx_msec_t key;
ngx_msec_int_t diff;
key = ngx_current_msec + timer;
if (ev->timer_set) {
/*
* Use a previous timer value if difference between it and a new
* value is less than NGX_TIMER_LAZY_DELAY milliseconds: this allows
* to minimize the rbtree operations for fast connections.
*/
diff = (ngx_msec_int_t) (key - ev->timer.key);
if (ngx_abs(diff) < NGX_TIMER_LAZY_DELAY) {
ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0,
"event timer: %d, old: %M, new: %M",
ngx_event_ident(ev->data), ev->timer.key, key);
return;
}
ngx_del_timer(ev);
}
ev->timer.key = key;
ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0,
"event timer add: %d: %M:%M",
ngx_event_ident(ev->data), timer, ev->timer.key);
ngx_rbtree_insert(&ngx_event_timer_rbtree, &ev->timer);
ev->timer_set = 1;
}
|
d2a_function_data_5447
|
int BUF_MEM_grow(BUF_MEM *str, size_t len)
{
char *ret;
size_t n;
if (str->length >= len)
{
str->length=len;
return(len);
}
if (str->max >= len)
{
memset(&str->data[str->length],0,len-str->length);
str->length=len;
return(len);
}
/* This limit is sufficient to ensure (len+3)/3*4 < 2**31 */
if (len > LIMIT_BEFORE_EXPANSION)
{
BUFerr(BUF_F_BUF_MEM_GROW,ERR_R_MALLOC_FAILURE);
return 0;
}
n=(len+3)/3*4;
if (str->data == NULL)
ret=OPENSSL_malloc(n);
else
ret=OPENSSL_realloc(str->data,n);
if (ret == NULL)
{
BUFerr(BUF_F_BUF_MEM_GROW,ERR_R_MALLOC_FAILURE);
len=0;
}
else
{
str->data=ret;
str->max=n;
memset(&str->data[str->length],0,len-str->length);
str->length=len;
}
return(len);
}
|
d2a_function_data_5448
|
void *av_realloc(void *ptr, size_t size)
{
#if CONFIG_MEMALIGN_HACK
int diff;
#endif
/* let's disallow possibly ambiguous cases */
if (size > (INT_MAX - 16))
return NULL;
#if CONFIG_MEMALIGN_HACK
//FIXME this isn't aligned correctly, though it probably isn't needed
if (!ptr)
return av_malloc(size);
diff = ((char *)ptr)[-1];
return (char *)realloc((char *)ptr - diff, size + diff) + diff;
#elif HAVE_ALIGNED_MALLOC
return _aligned_realloc(ptr, size, 32);
#else
return realloc(ptr, size);
#endif
}
|
d2a_function_data_5449
|
static int decorrelate(TAKDecContext *s, int c1, int c2, int length)
{
GetBitContext *gb = &s->gb;
int32_t *p1 = s->decoded[c1] + 1;
int32_t *p2 = s->decoded[c2] + 1;
int i;
int dshift, dfactor;
switch (s->dmode) {
case 1: /* left/side */
for (i = 0; i < length; i++) {
int32_t a = p1[i];
int32_t b = p2[i];
p2[i] = a + b;
}
break;
case 2: /* side/right */
for (i = 0; i < length; i++) {
int32_t a = p1[i];
int32_t b = p2[i];
p1[i] = b - a;
}
break;
case 3: /* side/mid */
for (i = 0; i < length; i++) {
int32_t a = p1[i];
int32_t b = p2[i];
a -= b >> 1;
p1[i] = a;
p2[i] = a + b;
}
break;
case 4: /* side/left with scale factor */
FFSWAP(int32_t*, p1, p2);
case 5: /* side/right with scale factor */
dshift = get_bits_esc4(gb);
dfactor = get_sbits(gb, 10);
for (i = 0; i < length; i++) {
int32_t a = p1[i];
int32_t b = p2[i];
b = dfactor * (b >> dshift) + 128 >> 8 << dshift;
p1[i] = b - a;
}
break;
case 6:
FFSWAP(int32_t*, p1, p2);
case 7: {
int length2, order_half, filter_order, dval1, dval2;
int tmp, x, code_size;
if (length < 256)
return AVERROR_INVALIDDATA;
dshift = get_bits_esc4(gb);
filter_order = 8 << get_bits1(gb);
dval1 = get_bits1(gb);
dval2 = get_bits1(gb);
for (i = 0; i < filter_order; i++) {
if (!(i & 3))
code_size = 14 - get_bits(gb, 3);
s->filter[i] = get_sbits(gb, code_size);
}
order_half = filter_order / 2;
length2 = length - (filter_order - 1);
/* decorrelate beginning samples */
if (dval1) {
for (i = 0; i < order_half; i++) {
int32_t a = p1[i];
int32_t b = p2[i];
p1[i] = a + b;
}
}
/* decorrelate ending samples */
if (dval2) {
for (i = length2 + order_half; i < length; i++) {
int32_t a = p1[i];
int32_t b = p2[i];
p1[i] = a + b;
}
}
for (i = 0; i < filter_order; i++)
s->residues[i] = *p2++ >> dshift;
p1 += order_half;
x = FF_ARRAY_ELEMS(s->residues) - filter_order;
for (; length2 > 0; length2 -= tmp) {
tmp = FFMIN(length2, x);
for (i = 0; i < tmp; i++)
s->residues[filter_order + i] = *p2++ >> dshift;
for (i = 0; i < tmp; i++) {
int v = 1 << 9;
if (filter_order == 16) {
v += s->adsp.scalarproduct_int16(&s->residues[i], s->filter,
filter_order);
} else {
v += s->residues[i + 7] * s->filter[7] +
s->residues[i + 6] * s->filter[6] +
s->residues[i + 5] * s->filter[5] +
s->residues[i + 4] * s->filter[4] +
s->residues[i + 3] * s->filter[3] +
s->residues[i + 2] * s->filter[2] +
s->residues[i + 1] * s->filter[1] +
s->residues[i ] * s->filter[0];
}
v = (av_clip_intp2(v >> 10, 13) << dshift) - *p1;
*p1++ = v;
}
memcpy(s->residues, &s->residues[tmp], 2 * filter_order);
}
emms_c();
break;
}
}
return 0;
}
|
d2a_function_data_5450
|
ECDSA_SIG *ossl_ecdsa_sign_sig(const unsigned char *dgst, int dgst_len,
const BIGNUM *in_kinv, const BIGNUM *in_r,
EC_KEY *eckey)
{
int ok = 0, i;
BIGNUM *kinv = NULL, *s, *m = NULL, *tmp = NULL;
const BIGNUM *order, *ckinv;
BN_CTX *ctx = NULL;
const EC_GROUP *group;
ECDSA_SIG *ret;
const BIGNUM *priv_key;
group = EC_KEY_get0_group(eckey);
priv_key = EC_KEY_get0_private_key(eckey);
if (group == NULL || priv_key == NULL) {
ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_PASSED_NULL_PARAMETER);
return NULL;
}
if (!EC_KEY_can_sign(eckey)) {
ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, EC_R_CURVE_DOES_NOT_SUPPORT_SIGNING);
return NULL;
}
ret = ECDSA_SIG_new();
if (ret == NULL) {
ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_MALLOC_FAILURE);
return NULL;
}
ret->r = BN_new();
ret->s = BN_new();
if (ret->r == NULL || ret->s == NULL) {
ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_MALLOC_FAILURE);
goto err;
}
s = ret->s;
if ((ctx = BN_CTX_new()) == NULL ||
(tmp = BN_new()) == NULL || (m = BN_new()) == NULL) {
ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_MALLOC_FAILURE);
goto err;
}
order = EC_GROUP_get0_order(group);
if (order == NULL) {
ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_EC_LIB);
goto err;
}
i = BN_num_bits(order);
/*
* Need to truncate digest if it is too long: first truncate whole bytes.
*/
if (8 * dgst_len > i)
dgst_len = (i + 7) / 8;
if (!BN_bin2bn(dgst, dgst_len, m)) {
ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_BN_LIB);
goto err;
}
/* If still too long truncate remaining bits with a shift */
if ((8 * dgst_len > i) && !BN_rshift(m, m, 8 - (i & 0x7))) {
ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_BN_LIB);
goto err;
}
do {
if (in_kinv == NULL || in_r == NULL) {
if (!ecdsa_sign_setup(eckey, ctx, &kinv, &ret->r, dgst, dgst_len)) {
ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_ECDSA_LIB);
goto err;
}
ckinv = kinv;
} else {
ckinv = in_kinv;
if (BN_copy(ret->r, in_r) == NULL) {
ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_MALLOC_FAILURE);
goto err;
}
}
if (!BN_mod_mul(tmp, priv_key, ret->r, order, ctx)) {
ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_BN_LIB);
goto err;
}
if (!BN_mod_add_quick(s, tmp, m, order)) {
ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_BN_LIB);
goto err;
}
if (!BN_mod_mul(s, s, ckinv, order, ctx)) {
ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, ERR_R_BN_LIB);
goto err;
}
if (BN_is_zero(s)) {
/*
* if kinv and r have been supplied by the caller, don't
* generate new kinv and r values
*/
if (in_kinv != NULL && in_r != NULL) {
ECerr(EC_F_OSSL_ECDSA_SIGN_SIG, EC_R_NEED_NEW_SETUP_VALUES);
goto err;
}
} else
/* s != 0 => we have a valid signature */
break;
}
while (1);
ok = 1;
err:
if (!ok) {
ECDSA_SIG_free(ret);
ret = NULL;
}
BN_CTX_free(ctx);
BN_clear_free(m);
BN_clear_free(tmp);
BN_clear_free(kinv);
return ret;
}
|
d2a_function_data_5451
|
static int cinaudio_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
CinAudioContext *cin = avctx->priv_data;
const uint8_t *buf_end = buf + avpkt->size;
int16_t *samples = data;
int delta, out_size;
out_size = (avpkt->size - cin->initial_decode_frame) *
av_get_bytes_per_sample(avctx->sample_fmt);
if (*data_size < out_size) {
av_log(avctx, AV_LOG_ERROR, "Output buffer is too small\n");
return AVERROR(EINVAL);
}
delta = cin->delta;
if (cin->initial_decode_frame) {
cin->initial_decode_frame = 0;
delta = (int16_t)AV_RL16(buf);
buf += 2;
*samples++ = delta;
}
while (buf < buf_end) {
delta += cinaudio_delta16_table[*buf++];
delta = av_clip_int16(delta);
*samples++ = delta;
}
cin->delta = delta;
*data_size = out_size;
return avpkt->size;
}
|
d2a_function_data_5452
|
static float pvq_band_cost(CeltPVQ *pvq, CeltFrame *f, OpusRangeCoder *rc, int band,
float *bits, float lambda)
{
int i, b = 0;
uint32_t cm[2] = { (1 << f->blocks) - 1, (1 << f->blocks) - 1 };
const int band_size = ff_celt_freq_range[band] << f->size;
float buf[176 * 2], lowband_scratch[176], norm1[176], norm2[176];
float dist, cost, err_x = 0.0f, err_y = 0.0f;
float *X = buf;
float *X_orig = f->block[0].coeffs + (ff_celt_freq_bands[band] << f->size);
float *Y = (f->channels == 2) ? &buf[176] : NULL;
float *Y_orig = f->block[1].coeffs + (ff_celt_freq_bands[band] << f->size);
OPUS_RC_CHECKPOINT_SPAWN(rc);
memcpy(X, X_orig, band_size*sizeof(float));
if (Y)
memcpy(Y, Y_orig, band_size*sizeof(float));
f->remaining2 = ((f->framebits << 3) - f->anticollapse_needed) - opus_rc_tell_frac(rc) - 1;
if (band <= f->coded_bands - 1) {
int curr_balance = f->remaining / FFMIN(3, f->coded_bands - band);
b = av_clip_uintp2(FFMIN(f->remaining2 + 1, f->pulses[band] + curr_balance), 14);
}
if (f->dual_stereo) {
pvq->quant_band(pvq, f, rc, band, X, NULL, band_size, b / 2, f->blocks, NULL,
f->size, norm1, 0, 1.0f, lowband_scratch, cm[0]);
pvq->quant_band(pvq, f, rc, band, Y, NULL, band_size, b / 2, f->blocks, NULL,
f->size, norm2, 0, 1.0f, lowband_scratch, cm[1]);
} else {
pvq->quant_band(pvq, f, rc, band, X, Y, band_size, b, f->blocks, NULL, f->size,
norm1, 0, 1.0f, lowband_scratch, cm[0] | cm[1]);
}
for (i = 0; i < band_size; i++) {
err_x += (X[i] - X_orig[i])*(X[i] - X_orig[i]);
if (Y)
err_y += (Y[i] - Y_orig[i])*(Y[i] - Y_orig[i]);
}
dist = sqrtf(err_x) + sqrtf(err_y);
cost = OPUS_RC_CHECKPOINT_BITS(rc)/8.0f;
*bits += cost;
OPUS_RC_CHECKPOINT_ROLLBACK(rc);
return lambda*dist*cost;
}
|
d2a_function_data_5453
|
static int decode_residual_block(AVSContext *h, GetBitContext *gb,
const struct dec_2dvlc *r, int esc_golomb_order,
int qp, uint8_t *dst, int stride) {
int i, level_code, esc_code, level, run, mask;
DCTELEM level_buf[65];
uint8_t run_buf[65];
DCTELEM *block = h->block;
for(i=0;i<65;i++) {
level_code = get_ue_code(gb,r->golomb_order);
if(level_code >= ESCAPE_CODE) {
run = ((level_code - ESCAPE_CODE) >> 1) + 1;
esc_code = get_ue_code(gb,esc_golomb_order);
level = esc_code + (run > r->max_run ? 1 : r->level_add[run]);
while(level > r->inc_limit)
r++;
mask = -(level_code & 1);
level = (level^mask) - mask;
} else if (level_code >= 0) {
level = r->rltab[level_code][0];
if(!level) //end of block signal
break;
run = r->rltab[level_code][1];
r += r->rltab[level_code][2];
} else {
break;
}
level_buf[i] = level;
run_buf[i] = run;
}
if(dequant(h,level_buf, run_buf, block, ff_cavs_dequant_mul[qp],
ff_cavs_dequant_shift[qp], i))
return -1;
h->cdsp.cavs_idct8_add(dst,block,stride);
h->s.dsp.clear_block(block);
return 0;
}
|
d2a_function_data_5454
|
int sk_insert(STACK *st, char *data, int loc)
{
char **s;
if(st == NULL) return 0;
if (st->num_alloc <= st->num+1)
{
s=(char **)OPENSSL_realloc((char *)st->data,
(unsigned int)sizeof(char *)*st->num_alloc*2);
if (s == NULL)
return(0);
st->data=s;
st->num_alloc*=2;
}
if ((loc >= (int)st->num) || (loc < 0))
st->data[st->num]=data;
else
{
int i;
char **f,**t;
f=(char **)st->data;
t=(char **)&(st->data[1]);
for (i=st->num; i>=loc; i--)
t[i]=f[i];
#ifdef undef /* no memmove on sunos :-( */
memmove( (char *)&(st->data[loc+1]),
(char *)&(st->data[loc]),
sizeof(char *)*(st->num-loc));
#endif
st->data[loc]=data;
}
st->num++;
st->sorted=0;
return(st->num);
}
|
d2a_function_data_5455
|
static int asn1_cb(const char *elem, int len, void *bitstr)
{
tag_exp_arg *arg = bitstr;
int i;
int utype;
int vlen;
const char *p, *vstart = NULL;
int tmp_tag, tmp_class;
for(i = 0, p = elem; i < len; p++, i++)
{
/* Look for the ':' in name value pairs */
if (*p == ':')
{
vstart = p + 1;
vlen = len - (vstart - elem);
len = p - elem;
break;
}
}
utype = asn1_str2tag(elem, len);
if (utype == -1)
{
ASN1err(ASN1_F_ASN1_CB, ASN1_R_UNKNOWN_TAG);
ERR_add_error_data(2, "tag=", elem);
return -1;
}
/* If this is not a modifier mark end of string and exit */
if (!(utype & ASN1_GEN_FLAG))
{
arg->utype = utype;
arg->str = vstart;
/* If no value and not end of string, error */
if (!vstart && elem[len])
{
ASN1err(ASN1_F_ASN1_CB, ASN1_R_MISSING_VALUE);
return -1;
}
return 0;
}
switch(utype)
{
case ASN1_GEN_FLAG_IMP:
/* Check for illegal multiple IMPLICIT tagging */
if (arg->imp_tag != -1)
{
ASN1err(ASN1_F_ASN1_CB, ASN1_R_ILLEGAL_NESTED_TAGGING);
return -1;
}
if (!parse_tagging(vstart, vlen, &arg->imp_tag, &arg->imp_class))
return -1;
break;
case ASN1_GEN_FLAG_EXP:
if (!parse_tagging(vstart, vlen, &tmp_tag, &tmp_class))
return -1;
if (!append_exp(arg, tmp_tag, tmp_class, 1, 0, 0))
return -1;
break;
case ASN1_GEN_FLAG_SEQWRAP:
if (!append_exp(arg, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, 1, 0, 1))
return -1;
break;
case ASN1_GEN_FLAG_BITWRAP:
if (!append_exp(arg, V_ASN1_BIT_STRING, V_ASN1_UNIVERSAL, 0, 1, 1))
return -1;
break;
case ASN1_GEN_FLAG_OCTWRAP:
if (!append_exp(arg, V_ASN1_OCTET_STRING, V_ASN1_UNIVERSAL, 0, 0, 1))
return -1;
break;
case ASN1_GEN_FLAG_FORMAT:
if (!strncmp(vstart, "ASCII", 5))
arg->format = ASN1_GEN_FORMAT_ASCII;
else if (!strncmp(vstart, "UTF8", 4))
arg->format = ASN1_GEN_FORMAT_UTF8;
else if (!strncmp(vstart, "HEX", 3))
arg->format = ASN1_GEN_FORMAT_HEX;
else if (!strncmp(vstart, "BITLIST", 3))
arg->format = ASN1_GEN_FORMAT_BITLIST;
else
{
ASN1err(ASN1_F_ASN1_CB, ASN1_R_UNKOWN_FORMAT);
return -1;
}
break;
}
return 1;
}
|
d2a_function_data_5456
|
int RSA_X931_generate_key_ex(RSA *rsa, int bits, const BIGNUM *e,
BN_GENCB *cb)
{
int ok = 0;
BIGNUM *Xp = NULL, *Xq = NULL;
BN_CTX *ctx = NULL;
ctx = BN_CTX_new();
if (ctx == NULL)
goto error;
BN_CTX_start(ctx);
Xp = BN_CTX_get(ctx);
Xq = BN_CTX_get(ctx);
if (Xq == NULL)
goto error;
if (!BN_X931_generate_Xpq(Xp, Xq, bits, ctx))
goto error;
rsa->p = BN_new();
rsa->q = BN_new();
if (rsa->p == NULL || rsa->q == NULL)
goto error;
/* Generate two primes from Xp, Xq */
if (!BN_X931_generate_prime_ex(rsa->p, NULL, NULL, NULL, NULL, Xp,
e, ctx, cb))
goto error;
if (!BN_X931_generate_prime_ex(rsa->q, NULL, NULL, NULL, NULL, Xq,
e, ctx, cb))
goto error;
/*
* Since rsa->p and rsa->q are valid this call will just derive remaining
* RSA components.
*/
if (!RSA_X931_derive_ex(rsa, NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL, NULL, NULL, e, cb))
goto error;
ok = 1;
error:
if (ctx)
BN_CTX_end(ctx);
BN_CTX_free(ctx);
if (ok)
return 1;
return 0;
}
|
d2a_function_data_5457
|
int BN_div_recp(BIGNUM *dv, BIGNUM *rem, BIGNUM *m, BN_RECP_CTX *recp,
BN_CTX *ctx)
{
int i,j,ret=0,ex;
BIGNUM *a,*b,*d,*r;
BN_CTX_start(ctx);
a=BN_CTX_get(ctx);
b=BN_CTX_get(ctx);
if (dv != NULL)
d=dv;
else
d=BN_CTX_get(ctx);
if (rem != NULL)
r=rem;
else
r=BN_CTX_get(ctx);
if (a == NULL || b == NULL || d == NULL || r == NULL) goto err;
if (BN_ucmp(m,&(recp->N)) < 0)
{
BN_zero(d);
BN_copy(r,m);
BN_CTX_end(ctx);
return(1);
}
/* We want the remainder
* Given input of ABCDEF / ab
* we need multiply ABCDEF by 3 digests of the reciprocal of ab
*
*/
i=BN_num_bits(m);
if (i%2) i--;
j=recp->num_bits*2;
if (j > i)
{
i=j;
ex=0;
}
else
{
ex=(i-j)/2;
}
j=i/2;
if (i != recp->shift)
recp->shift=BN_reciprocal(&(recp->Nr),&(recp->N),
i,ctx);
if (!BN_rshift(a,m,j-ex)) goto err;
if (!BN_mul(b,a,&(recp->Nr),ctx)) goto err;
if (!BN_rshift(d,b,j+ex)) goto err;
d->neg=0;
if (!BN_mul(b,&(recp->N),d,ctx)) goto err;
if (!BN_usub(r,m,b)) goto err;
r->neg=0;
j=0;
#if 1
while (BN_ucmp(r,&(recp->N)) >= 0)
{
if (j++ > 2)
{
#if 1
/* work around some bug:
-1CC0E177F93042B29D309839F8019DB93404D7A395F1E162
5383BF622A20B17E1BAA999336988B82B93F5FB77B55B4B68
9412000000000031 / 298EB5957DBFB8CBB2CC2A9F789D2B5
fails, for example. */
ret=BN_div(dv,rem,m,&(recp->N),ctx);
#else
BNerr(BN_F_BN_MOD_MUL_RECIPROCAL,BN_R_BAD_RECIPROCAL);
#endif
goto err;
}
if (!BN_usub(r,r,&(recp->N))) goto err;
if (!BN_add_word(d,1)) goto err;
}
#endif
r->neg=BN_is_zero(r)?0:m->neg;
d->neg=m->neg^recp->N.neg;
ret=1;
err:
BN_CTX_end(ctx);
return(ret);
}
|
d2a_function_data_5458
|
void *av_malloc(size_t size)
{
void *ptr = NULL;
/* let's disallow possibly ambiguous cases */
if (size > (max_alloc_size - 32))
return NULL;
#if HAVE_POSIX_MEMALIGN
if (size) //OS X on SDK 10.6 has a broken posix_memalign implementation
if (posix_memalign(&ptr, ALIGN, size))
ptr = NULL;
#elif HAVE_ALIGNED_MALLOC
ptr = _aligned_malloc(size, ALIGN);
#elif HAVE_MEMALIGN
#ifndef __DJGPP__
ptr = memalign(ALIGN, size);
#else
ptr = memalign(size, ALIGN);
#endif
/* Why 64?
* Indeed, we should align it:
* on 4 for 386
* on 16 for 486
* on 32 for 586, PPro - K6-III
* on 64 for K7 (maybe for P3 too).
* Because L1 and L2 caches are aligned on those values.
* But I don't want to code such logic here!
*/
/* Why 32?
* For AVX ASM. SSE / NEON needs only 16.
* Why not larger? Because I did not see a difference in benchmarks ...
*/
/* benchmarks with P3
* memalign(64) + 1 3071, 3051, 3032
* memalign(64) + 2 3051, 3032, 3041
* memalign(64) + 4 2911, 2896, 2915
* memalign(64) + 8 2545, 2554, 2550
* memalign(64) + 16 2543, 2572, 2563
* memalign(64) + 32 2546, 2545, 2571
* memalign(64) + 64 2570, 2533, 2558
*
* BTW, malloc seems to do 8-byte alignment by default here.
*/
#else
ptr = malloc(size);
#endif
if(!ptr && !size) {
size = 1;
ptr= av_malloc(1);
}
#if CONFIG_MEMORY_POISONING
if (ptr)
memset(ptr, FF_MEMORY_POISON, size);
#endif
return ptr;
}
|
d2a_function_data_5459
|
static void hScale16_c(SwsContext *c, int16_t *_dst, int dstW, const uint8_t *_src,
const int16_t *filter,
const int16_t *filterPos, int filterSize)
{
int i;
int32_t *dst = (int32_t *) _dst;
const uint16_t *src = (const uint16_t *) _src;
int bits = av_pix_fmt_descriptors[c->srcFormat].comp[0].depth_minus1;
int sh = (bits <= 7) ? 11 : (bits - 4);
for (i = 0; i < dstW; i++) {
int j;
int srcPos = filterPos[i];
int val = 0;
for (j = 0; j < filterSize; j++) {
val += src[srcPos + j] * filter[filterSize * i + j];
}
// filter=14 bit, input=16 bit, output=30 bit, >> 11 makes 19 bit
dst[i] = FFMIN(val >> sh, (1 << 19) - 1);
}
}
|
d2a_function_data_5460
|
static int ready_residue(vorbis_enc_residue *rc, vorbis_enc_context *venc)
{
int i;
assert(rc->type == 2);
rc->maxes = av_mallocz(sizeof(float[2]) * rc->classifications);
if (!rc->maxes)
return AVERROR(ENOMEM);
for (i = 0; i < rc->classifications; i++) {
int j;
vorbis_enc_codebook * cb;
for (j = 0; j < 8; j++)
if (rc->books[i][j] != -1)
break;
if (j == 8) // zero
continue;
cb = &venc->codebooks[rc->books[i][j]];
assert(cb->ndimentions >= 2);
assert(cb->lookup);
for (j = 0; j < cb->nentries; j++) {
float a;
if (!cb->lens[j])
continue;
a = fabs(cb->dimentions[j * cb->ndimentions]);
if (a > rc->maxes[i][0])
rc->maxes[i][0] = a;
a = fabs(cb->dimentions[j * cb->ndimentions + 1]);
if (a > rc->maxes[i][1])
rc->maxes[i][1] = a;
}
}
// small bias
for (i = 0; i < rc->classifications; i++) {
rc->maxes[i][0] += 0.8;
rc->maxes[i][1] += 0.8;
}
return 0;
}
|
d2a_function_data_5461
|
static int matroska_deliver_packet(MatroskaDemuxContext *matroska,
AVPacket *pkt)
{
if (matroska->num_packets > 0) {
memcpy(pkt, matroska->packets[0], sizeof(AVPacket));
av_freep(&matroska->packets[0]);
if (matroska->num_packets > 1) {
void *newpackets;
memmove(&matroska->packets[0], &matroska->packets[1],
(matroska->num_packets - 1) * sizeof(AVPacket *));
newpackets = av_realloc(matroska->packets,
(matroska->num_packets - 1) *
sizeof(AVPacket *));
if (newpackets)
matroska->packets = newpackets;
} else {
av_freep(&matroska->packets);
matroska->prev_pkt = NULL;
}
matroska->num_packets--;
return 0;
}
return -1;
}
|
d2a_function_data_5462
|
static av_always_inline int check_block(SnowContext *s, int mb_x, int mb_y, int p[3], int intra, const uint8_t *obmc_edged, int *best_rd){
const int b_stride= s->b_width << s->block_max_depth;
BlockNode *block= &s->block[mb_x + mb_y * b_stride];
BlockNode backup= *block;
int rd, index, value;
assert(mb_x>=0 && mb_y>=0);
assert(mb_x<b_stride);
if(intra){
block->color[0] = p[0];
block->color[1] = p[1];
block->color[2] = p[2];
block->type |= BLOCK_INTRA;
}else{
index= (p[0] + 31*p[1]) & (ME_CACHE_SIZE-1);
value= s->me_cache_generation + (p[0]>>10) + (p[1]<<6) + (block->ref<<12);
if(s->me_cache[index] == value)
return 0;
s->me_cache[index]= value;
block->mx= p[0];
block->my= p[1];
block->type &= ~BLOCK_INTRA;
}
rd= get_block_rd(s, mb_x, mb_y, 0, obmc_edged);
//FIXME chroma
if(rd < *best_rd){
*best_rd= rd;
return 1;
}else{
*block= backup;
return 0;
}
}
|
d2a_function_data_5463
|
void ff_MPV_common_end(MpegEncContext *s)
{
int i, j, k;
if (s->slice_context_count > 1) {
for (i = 0; i < s->slice_context_count; i++) {
free_duplicate_context(s->thread_context[i]);
}
for (i = 1; i < s->slice_context_count; i++) {
av_freep(&s->thread_context[i]);
}
s->slice_context_count = 1;
} else free_duplicate_context(s);
av_freep(&s->parse_context.buffer);
s->parse_context.buffer_size = 0;
av_freep(&s->mb_type);
av_freep(&s->p_mv_table_base);
av_freep(&s->b_forw_mv_table_base);
av_freep(&s->b_back_mv_table_base);
av_freep(&s->b_bidir_forw_mv_table_base);
av_freep(&s->b_bidir_back_mv_table_base);
av_freep(&s->b_direct_mv_table_base);
s->p_mv_table = NULL;
s->b_forw_mv_table = NULL;
s->b_back_mv_table = NULL;
s->b_bidir_forw_mv_table = NULL;
s->b_bidir_back_mv_table = NULL;
s->b_direct_mv_table = NULL;
for (i = 0; i < 2; i++) {
for (j = 0; j < 2; j++) {
for (k = 0; k < 2; k++) {
av_freep(&s->b_field_mv_table_base[i][j][k]);
s->b_field_mv_table[i][j][k] = NULL;
}
av_freep(&s->b_field_select_table[i][j]);
av_freep(&s->p_field_mv_table_base[i][j]);
s->p_field_mv_table[i][j] = NULL;
}
av_freep(&s->p_field_select_table[i]);
}
av_freep(&s->dc_val_base);
av_freep(&s->coded_block_base);
av_freep(&s->mbintra_table);
av_freep(&s->cbp_table);
av_freep(&s->pred_dir_table);
av_freep(&s->mbskip_table);
av_freep(&s->bitstream_buffer);
s->allocated_bitstream_buffer_size = 0;
av_freep(&s->avctx->stats_out);
av_freep(&s->ac_stats);
av_freep(&s->error_status_table);
av_freep(&s->mb_index2xy);
av_freep(&s->lambda_table);
av_freep(&s->q_intra_matrix);
av_freep(&s->q_inter_matrix);
av_freep(&s->q_intra_matrix16);
av_freep(&s->q_inter_matrix16);
av_freep(&s->input_picture);
av_freep(&s->reordered_input_picture);
av_freep(&s->dct_offset);
if (s->picture && !s->avctx->internal->is_copy) {
for (i = 0; i < s->picture_count; i++) {
free_picture(s, &s->picture[i]);
}
}
av_freep(&s->picture);
s->context_initialized = 0;
s->last_picture_ptr =
s->next_picture_ptr =
s->current_picture_ptr = NULL;
s->linesize = s->uvlinesize = 0;
for (i = 0; i < 3; i++)
av_freep(&s->visualization_buffer[i]);
if (!(s->avctx->active_thread_type & FF_THREAD_FRAME))
avcodec_default_free_buffers(s->avctx);
}
|
d2a_function_data_5464
|
static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
{
AVSubtitle subtitle;
int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
&subtitle, got_output, pkt);
check_decode_result(got_output, ret);
if (ret < 0 || !*got_output) {
if (!pkt->size)
sub2video_flush(ist);
return ret;
}
if (ist->fix_sub_duration) {
int end = 1;
if (ist->prev_sub.got_output) {
end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
1000, AV_TIME_BASE);
if (end < ist->prev_sub.subtitle.end_display_time) {
av_log(ist->dec_ctx, AV_LOG_DEBUG,
"Subtitle duration reduced from %d to %d%s\n",
ist->prev_sub.subtitle.end_display_time, end,
end <= 0 ? ", dropping it" : "");
ist->prev_sub.subtitle.end_display_time = end;
}
}
FFSWAP(int, *got_output, ist->prev_sub.got_output);
FFSWAP(int, ret, ist->prev_sub.ret);
FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
if (end <= 0)
goto out;
}
if (!*got_output)
return ret;
sub2video_update(ist, &subtitle);
if (!subtitle.num_rects)
goto out;
ist->frames_decoded++;
for (i = 0; i < nb_output_streams; i++) {
OutputStream *ost = output_streams[i];
if (!check_output_constraints(ist, ost) || !ost->encoding_needed
|| ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
continue;
do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
}
out:
avsubtitle_free(&subtitle);
return ret;
}
|
d2a_function_data_5465
|
static int cdxl_decode_frame(AVCodecContext *avctx, void *data,
int *data_size, AVPacket *pkt)
{
CDXLVideoContext *c = avctx->priv_data;
AVFrame * const p = &c->frame;
int ret, w, h, encoding, format, buf_size = pkt->size;
const uint8_t *buf = pkt->data;
if (buf_size < 32)
return AVERROR_INVALIDDATA;
encoding = buf[1] & 7;
format = buf[1] & 0xE0;
w = AV_RB16(&buf[14]);
h = AV_RB16(&buf[16]);
c->bpp = buf[19];
c->palette_size = AV_RB16(&buf[20]);
c->palette = buf + 32;
c->video = c->palette + c->palette_size;
c->video_size = buf_size - c->palette_size - 32;
if (c->palette_size > 512)
return AVERROR_INVALIDDATA;
if (buf_size < c->palette_size + 32)
return AVERROR_INVALIDDATA;
if (c->bpp < 1)
return AVERROR_INVALIDDATA;
if (c->bpp > 8) {
av_log_ask_for_sample(avctx, "unsupported pixel size: %d\n", c->bpp);
return AVERROR_PATCHWELCOME;
}
if (format) {
av_log_ask_for_sample(avctx, "unsupported pixel format: %d\n", format);
return AVERROR_PATCHWELCOME;
}
if ((ret = av_image_check_size(w, h, 0, avctx)) < 0)
return ret;
if (w != avctx->width || h != avctx->height)
avcodec_set_dimensions(avctx, w, h);
if (c->video_size < FFALIGN(avctx->width, 16) * avctx->height * c->bpp / 8)
return AVERROR_INVALIDDATA;
if (!encoding && c->palette_size && c->bpp <= 8) {
avctx->pix_fmt = PIX_FMT_PAL8;
} else if (encoding == 1 && (c->bpp == 6 || c->bpp == 8)) {
if (c->palette_size != (1 << (c->bpp - 1)))
return AVERROR_INVALIDDATA;
avctx->pix_fmt = PIX_FMT_BGR24;
} else {
av_log_ask_for_sample(avctx, "unsupported encoding %d and bpp %d\n",
encoding, c->bpp);
return AVERROR_PATCHWELCOME;
}
if (p->data[0])
avctx->release_buffer(avctx, p);
p->reference = 0;
if ((ret = avctx->get_buffer(avctx, p)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
p->pict_type = AV_PICTURE_TYPE_I;
if (encoding) {
av_fast_padded_malloc(&c->new_video, &c->new_video_size,
h * w + FF_INPUT_BUFFER_PADDING_SIZE);
if (!c->new_video)
return AVERROR(ENOMEM);
if (c->bpp == 8)
cdxl_decode_ham8(c);
else
cdxl_decode_ham6(c);
} else {
cdxl_decode_rgb(c);
}
*data_size = sizeof(AVFrame);
*(AVFrame*)data = c->frame;
return buf_size;
}
|
d2a_function_data_5466
|
void
_TIFFmemset(void* p, int v, tmsize_t c)
{
memset(p, v, (size_t) c);
}
|
d2a_function_data_5467
|
static void implicit_weight_table(const H264Context *h, H264SliceContext *sl, int field)
{
int ref0, ref1, i, cur_poc, ref_start, ref_count0, ref_count1;
for (i = 0; i < 2; i++) {
sl->luma_weight_flag[i] = 0;
sl->chroma_weight_flag[i] = 0;
}
if (field < 0) {
if (h->picture_structure == PICT_FRAME) {
cur_poc = h->cur_pic_ptr->poc;
} else {
cur_poc = h->cur_pic_ptr->field_poc[h->picture_structure - 1];
}
if (sl->ref_count[0] == 1 && sl->ref_count[1] == 1 && !FRAME_MBAFF(h) &&
sl->ref_list[0][0].poc + sl->ref_list[1][0].poc == 2 * cur_poc) {
sl->use_weight = 0;
sl->use_weight_chroma = 0;
return;
}
ref_start = 0;
ref_count0 = sl->ref_count[0];
ref_count1 = sl->ref_count[1];
} else {
cur_poc = h->cur_pic_ptr->field_poc[field];
ref_start = 16;
ref_count0 = 16 + 2 * sl->ref_count[0];
ref_count1 = 16 + 2 * sl->ref_count[1];
}
sl->use_weight = 2;
sl->use_weight_chroma = 2;
sl->luma_log2_weight_denom = 5;
sl->chroma_log2_weight_denom = 5;
for (ref0 = ref_start; ref0 < ref_count0; ref0++) {
int poc0 = sl->ref_list[0][ref0].poc;
for (ref1 = ref_start; ref1 < ref_count1; ref1++) {
int w = 32;
if (!sl->ref_list[0][ref0].parent->long_ref && !sl->ref_list[1][ref1].parent->long_ref) {
int poc1 = sl->ref_list[1][ref1].poc;
int td = av_clip_int8(poc1 - poc0);
if (td) {
int tb = av_clip_int8(cur_poc - poc0);
int tx = (16384 + (FFABS(td) >> 1)) / td;
int dist_scale_factor = (tb * tx + 32) >> 8;
if (dist_scale_factor >= -64 && dist_scale_factor <= 128)
w = 64 - dist_scale_factor;
}
}
if (field < 0) {
sl->implicit_weight[ref0][ref1][0] =
sl->implicit_weight[ref0][ref1][1] = w;
} else {
sl->implicit_weight[ref0][ref1][field] = w;
}
}
}
}
|
d2a_function_data_5468
|
int url_open_protocol (URLContext **puc, struct URLProtocol *up,
const char *filename, int flags)
{
URLContext *uc;
int err;
uc = av_malloc(sizeof(URLContext) + strlen(filename) + 1);
if (!uc) {
err = AVERROR(ENOMEM);
goto fail;
}
#if LIBAVFORMAT_VERSION_MAJOR >= 53
uc->av_class = &urlcontext_class;
#endif
uc->filename = (char *) &uc[1];
strcpy(uc->filename, filename);
uc->prot = up;
uc->flags = flags;
uc->is_streamed = 0; /* default = not streamed */
uc->max_packet_size = 0; /* default: stream file */
err = up->url_open(uc, filename, flags);
if (err < 0) {
av_free(uc);
*puc = NULL;
return err;
}
//We must be carefull here as url_seek() could be slow, for example for http
if( (flags & (URL_WRONLY | URL_RDWR))
|| !strcmp(up->name, "file"))
if(!uc->is_streamed && url_seek(uc, 0, SEEK_SET) < 0)
uc->is_streamed= 1;
*puc = uc;
return 0;
fail:
*puc = NULL;
return err;
}
|
d2a_function_data_5469
|
static int gif_read_image(GifState *s, AVFrame *frame)
{
int left, top, width, height, bits_per_pixel, code_size, flags, pw;
int is_interleaved, has_local_palette, y, pass, y1, linesize, pal_size;
uint32_t *ptr, *pal, *px, *pr, *ptr1;
int ret;
uint8_t *idx;
/* At least 9 bytes of Image Descriptor. */
if (bytestream2_get_bytes_left(&s->gb) < 9)
return AVERROR_INVALIDDATA;
left = bytestream2_get_le16u(&s->gb);
top = bytestream2_get_le16u(&s->gb);
width = bytestream2_get_le16u(&s->gb);
height = bytestream2_get_le16u(&s->gb);
flags = bytestream2_get_byteu(&s->gb);
is_interleaved = flags & 0x40;
has_local_palette = flags & 0x80;
bits_per_pixel = (flags & 0x07) + 1;
av_dlog(s->avctx, "image x=%d y=%d w=%d h=%d\n", left, top, width, height);
if (has_local_palette) {
pal_size = 1 << bits_per_pixel;
if (bytestream2_get_bytes_left(&s->gb) < pal_size * 3)
return AVERROR_INVALIDDATA;
gif_read_palette(s, s->local_palette, pal_size);
pal = s->local_palette;
} else {
if (!s->has_global_palette) {
av_log(s->avctx, AV_LOG_ERROR, "picture doesn't have either global or local palette.\n");
return AVERROR_INVALIDDATA;
}
pal = s->global_palette;
}
if (s->keyframe) {
if (s->transparent_color_index == -1 && s->has_global_palette) {
/* transparency wasn't set before the first frame, fill with background color */
gif_fill(frame, s->bg_color);
} else {
/* otherwise fill with transparent color.
* this is necessary since by default picture filled with 0x80808080. */
gif_fill(frame, s->trans_color);
}
}
/* verify that all the image is inside the screen dimensions */
if (!width || width > s->screen_width || left >= s->screen_width) {
av_log(s->avctx, AV_LOG_ERROR, "Invalid image width.\n");
return AVERROR_INVALIDDATA;
}
if (!height || height > s->screen_height || top >= s->screen_height) {
av_log(s->avctx, AV_LOG_ERROR, "Invalid image height.\n");
return AVERROR_INVALIDDATA;
}
if (left + width > s->screen_width) {
/* width must be kept around to avoid lzw vs line desync */
pw = s->screen_width - left;
av_log(s->avctx, AV_LOG_WARNING, "Image too wide by %d, truncating.\n",
left + width - s->screen_width);
} else {
pw = width;
}
if (top + height > s->screen_height) {
/* we don't care about the extra invisible lines */
av_log(s->avctx, AV_LOG_WARNING, "Image too high by %d, truncating.\n",
top + height - s->screen_height);
height = s->screen_height - top;
}
/* process disposal method */
if (s->gce_prev_disposal == GCE_DISPOSAL_BACKGROUND) {
gif_fill_rect(frame, s->stored_bg_color, s->gce_l, s->gce_t, s->gce_w, s->gce_h);
} else if (s->gce_prev_disposal == GCE_DISPOSAL_RESTORE) {
gif_copy_img_rect(s->stored_img, (uint32_t *)frame->data[0],
frame->linesize[0] / sizeof(uint32_t), s->gce_l, s->gce_t, s->gce_w, s->gce_h);
}
s->gce_prev_disposal = s->gce_disposal;
if (s->gce_disposal != GCE_DISPOSAL_NONE) {
s->gce_l = left; s->gce_t = top;
s->gce_w = pw; s->gce_h = height;
if (s->gce_disposal == GCE_DISPOSAL_BACKGROUND) {
if (s->transparent_color_index >= 0)
s->stored_bg_color = s->trans_color;
else
s->stored_bg_color = s->bg_color;
} else if (s->gce_disposal == GCE_DISPOSAL_RESTORE) {
av_fast_malloc(&s->stored_img, &s->stored_img_size, frame->linesize[0] * frame->height);
if (!s->stored_img)
return AVERROR(ENOMEM);
gif_copy_img_rect((uint32_t *)frame->data[0], s->stored_img,
frame->linesize[0] / sizeof(uint32_t), left, top, pw, height);
}
}
/* Expect at least 2 bytes: 1 for lzw code size and 1 for block size. */
if (bytestream2_get_bytes_left(&s->gb) < 2)
return AVERROR_INVALIDDATA;
/* now get the image data */
code_size = bytestream2_get_byteu(&s->gb);
if ((ret = ff_lzw_decode_init(s->lzw, code_size, s->gb.buffer,
bytestream2_get_bytes_left(&s->gb), FF_LZW_GIF)) < 0) {
av_log(s->avctx, AV_LOG_ERROR, "LZW init failed\n");
return ret;
}
/* read all the image */
linesize = frame->linesize[0] / sizeof(uint32_t);
ptr1 = (uint32_t *)frame->data[0] + top * linesize + left;
ptr = ptr1;
pass = 0;
y1 = 0;
for (y = 0; y < height; y++) {
int count = ff_lzw_decode(s->lzw, s->idx_line, width);
if (count != width) {
if (count)
av_log(s->avctx, AV_LOG_ERROR, "LZW decode failed\n");
goto decode_tail;
}
pr = ptr + pw;
for (px = ptr, idx = s->idx_line; px < pr; px++, idx++) {
if (*idx != s->transparent_color_index)
*px = pal[*idx];
}
if (is_interleaved) {
switch(pass) {
default:
case 0:
case 1:
y1 += 8;
ptr += linesize * 8;
if (y1 >= height) {
y1 = pass ? 2 : 4;
ptr = ptr1 + linesize * y1;
pass++;
}
break;
case 2:
y1 += 4;
ptr += linesize * 4;
if (y1 >= height) {
y1 = 1;
ptr = ptr1 + linesize;
pass++;
}
break;
case 3:
y1 += 2;
ptr += linesize * 2;
break;
}
} else {
ptr += linesize;
}
}
decode_tail:
/* read the garbage data until end marker is found */
ff_lzw_decode_tail(s->lzw);
/* Graphic Control Extension's scope is single frame.
* Remove its influence. */
s->transparent_color_index = -1;
s->gce_disposal = GCE_DISPOSAL_NONE;
return 0;
}
|
d2a_function_data_5470
|
void swri_get_dither(SwrContext *s, void *dst, int len, unsigned seed, enum AVSampleFormat noise_fmt) {
double scale = s->dither.noise_scale;
#define TMP_EXTRA 2
double *tmp = av_malloc_array(len + TMP_EXTRA, sizeof(double));
int i;
for(i=0; i<len + TMP_EXTRA; i++){
double v;
seed = seed* 1664525 + 1013904223;
switch(s->dither.method){
case SWR_DITHER_RECTANGULAR: v= ((double)seed) / UINT_MAX - 0.5; break;
default:
av_assert0(s->dither.method < SWR_DITHER_NB);
v = ((double)seed) / UINT_MAX;
seed = seed*1664525 + 1013904223;
v-= ((double)seed) / UINT_MAX;
break;
}
tmp[i] = v;
}
for(i=0; i<len; i++){
double v;
switch(s->dither.method){
default:
av_assert0(s->dither.method < SWR_DITHER_NB);
v = tmp[i];
break;
case SWR_DITHER_TRIANGULAR_HIGHPASS :
v = (- tmp[i] + 2*tmp[i+1] - tmp[i+2]) / sqrt(6);
break;
}
v*= scale;
switch(noise_fmt){
case AV_SAMPLE_FMT_S16P: ((int16_t*)dst)[i] = v; break;
case AV_SAMPLE_FMT_S32P: ((int32_t*)dst)[i] = v; break;
case AV_SAMPLE_FMT_FLTP: ((float *)dst)[i] = v; break;
case AV_SAMPLE_FMT_DBLP: ((double *)dst)[i] = v; break;
default: av_assert0(0);
}
}
av_free(tmp);
}
|
d2a_function_data_5471
|
static void search_for_quantizers_fast(AVCodecContext *avctx, AACEncContext *s,
SingleChannelElement *sce,
const float lambda)
{
int i, w, w2, g;
int minq = 255;
memset(sce->sf_idx, 0, sizeof(sce->sf_idx));
for (w = 0; w < sce->ics.num_windows; w += sce->ics.group_len[w]) {
for (g = 0; g < sce->ics.num_swb; g++) {
for (w2 = 0; w2 < sce->ics.group_len[w]; w2++) {
FFPsyBand *band = &s->psy.ch[s->cur_channel].psy_bands[(w+w2)*16+g];
if (band->energy <= band->threshold) {
sce->sf_idx[(w+w2)*16+g] = 218;
sce->zeroes[(w+w2)*16+g] = 1;
} else {
sce->sf_idx[(w+w2)*16+g] = av_clip(SCALE_ONE_POS - SCALE_DIV_512 + log2f(band->threshold), 80, 218);
sce->zeroes[(w+w2)*16+g] = 0;
}
minq = FFMIN(minq, sce->sf_idx[(w+w2)*16+g]);
}
}
}
for (i = 0; i < 128; i++) {
sce->sf_idx[i] = 140;
//av_clip(sce->sf_idx[i], minq, minq + SCALE_MAX_DIFF - 1);
}
//set the same quantizers inside window groups
for (w = 0; w < sce->ics.num_windows; w += sce->ics.group_len[w])
for (g = 0; g < sce->ics.num_swb; g++)
for (w2 = 1; w2 < sce->ics.group_len[w]; w2++)
sce->sf_idx[(w+w2)*16+g] = sce->sf_idx[w*16+g];
}
|
d2a_function_data_5472
|
int ff_h2645_packet_split(H2645Packet *pkt, const uint8_t *buf, int length,
void *logctx, int is_nalff, int nal_length_size,
enum AVCodecID codec_id, int small_padding)
{
int consumed, ret = 0;
const uint8_t *next_avc = is_nalff ? buf : buf + length;
pkt->nb_nals = 0;
while (length >= 4) {
H2645NAL *nal;
int extract_length = 0;
int skip_trailing_zeros = 1;
if (buf == next_avc) {
int i;
for (i = 0; i < nal_length_size; i++)
extract_length = (extract_length << 8) | buf[i];
buf += nal_length_size;
length -= nal_length_size;
if (extract_length > length) {
av_log(logctx, AV_LOG_ERROR, "Invalid NAL unit size.\n");
return AVERROR_INVALIDDATA;
}
next_avc = buf + extract_length;
} else {
if (buf > next_avc)
av_log(logctx, AV_LOG_WARNING, "Exceeded next NALFF position, re-syncing.\n");
/* search start code */
while (buf[0] != 0 || buf[1] != 0 || buf[2] != 1) {
++buf;
--length;
if (length < 4) {
if (pkt->nb_nals > 0) {
// No more start codes: we discarded some irrelevant
// bytes at the end of the packet.
return 0;
} else {
av_log(logctx, AV_LOG_ERROR, "No start code is found.\n");
return AVERROR_INVALIDDATA;
}
} else if (buf >= (next_avc - 3))
break;
}
buf += 3;
length -= 3;
extract_length = FFMIN(length, next_avc - buf);
if (buf >= next_avc) {
/* skip to the start of the next NAL */
int offset = next_avc - buf;
buf += offset;
length -= offset;
continue;
}
}
if (pkt->nals_allocated < pkt->nb_nals + 1) {
int new_size = pkt->nals_allocated + 1;
void *tmp = av_realloc_array(pkt->nals, new_size, sizeof(*pkt->nals));
if (!tmp)
return AVERROR(ENOMEM);
pkt->nals = tmp;
memset(pkt->nals + pkt->nals_allocated, 0,
(new_size - pkt->nals_allocated) * sizeof(*pkt->nals));
nal = &pkt->nals[pkt->nb_nals];
nal->skipped_bytes_pos_size = 1024; // initial buffer size
nal->skipped_bytes_pos = av_malloc_array(nal->skipped_bytes_pos_size, sizeof(*nal->skipped_bytes_pos));
if (!nal->skipped_bytes_pos)
return AVERROR(ENOMEM);
pkt->nals_allocated = new_size;
}
nal = &pkt->nals[pkt->nb_nals];
consumed = ff_h2645_extract_rbsp(buf, extract_length, nal, small_padding);
if (consumed < 0)
return consumed;
if (is_nalff && (extract_length != consumed) && extract_length)
av_log(logctx, AV_LOG_DEBUG,
"NALFF: Consumed only %d bytes instead of %d\n",
consumed, extract_length);
pkt->nb_nals++;
/* see commit 3566042a0 */
if (consumed < length - 3 &&
buf[consumed] == 0x00 && buf[consumed + 1] == 0x00 &&
buf[consumed + 2] == 0x01 && buf[consumed + 3] == 0xE0)
skip_trailing_zeros = 0;
nal->size_bits = get_bit_length(nal, skip_trailing_zeros);
ret = init_get_bits(&nal->gb, nal->data, nal->size_bits);
if (ret < 0)
return ret;
if (codec_id == AV_CODEC_ID_HEVC)
ret = hevc_parse_nal_header(nal, logctx);
else
ret = h264_parse_nal_header(nal, logctx);
if (ret <= 0 || nal->size <= 0) {
if (ret < 0) {
av_log(logctx, AV_LOG_ERROR, "Invalid NAL unit %d, skipping.\n",
nal->type);
}
pkt->nb_nals--;
}
buf += consumed;
length -= consumed;
}
return 0;
}
|
d2a_function_data_5473
|
int ff_h264_execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count)
{
int i, av_uninit(j);
int current_ref_assigned = 0, err = 0;
H264Picture *av_uninit(pic);
if ((h->avctx->debug & FF_DEBUG_MMCO) && mmco_count == 0)
av_log(h->avctx, AV_LOG_DEBUG, "no mmco here\n");
for (i = 0; i < mmco_count; i++) {
int av_uninit(structure), av_uninit(frame_num);
if (h->avctx->debug & FF_DEBUG_MMCO)
av_log(h->avctx, AV_LOG_DEBUG, "mmco:%d %d %d\n", h->mmco[i].opcode,
h->mmco[i].short_pic_num, h->mmco[i].long_arg);
if (mmco[i].opcode == MMCO_SHORT2UNUSED ||
mmco[i].opcode == MMCO_SHORT2LONG) {
frame_num = pic_num_extract(h, mmco[i].short_pic_num, &structure);
pic = find_short(h, frame_num, &j);
if (!pic) {
if (mmco[i].opcode != MMCO_SHORT2LONG ||
!h->long_ref[mmco[i].long_arg] ||
h->long_ref[mmco[i].long_arg]->frame_num != frame_num) {
av_log(h->avctx, AV_LOG_ERROR, "mmco: unref short failure\n");
err = AVERROR_INVALIDDATA;
}
continue;
}
}
switch (mmco[i].opcode) {
case MMCO_SHORT2UNUSED:
if (h->avctx->debug & FF_DEBUG_MMCO)
av_log(h->avctx, AV_LOG_DEBUG, "mmco: unref short %d count %d\n",
h->mmco[i].short_pic_num, h->short_ref_count);
remove_short(h, frame_num, structure ^ PICT_FRAME);
break;
case MMCO_SHORT2LONG:
if (h->long_ref[mmco[i].long_arg] != pic)
remove_long(h, mmco[i].long_arg, 0);
remove_short_at_index(h, j);
h->long_ref[ mmco[i].long_arg ] = pic;
if (h->long_ref[mmco[i].long_arg]) {
h->long_ref[mmco[i].long_arg]->long_ref = 1;
h->long_ref_count++;
}
break;
case MMCO_LONG2UNUSED:
j = pic_num_extract(h, mmco[i].long_arg, &structure);
pic = h->long_ref[j];
if (pic) {
remove_long(h, j, structure ^ PICT_FRAME);
} else if (h->avctx->debug & FF_DEBUG_MMCO)
av_log(h->avctx, AV_LOG_DEBUG, "mmco: unref long failure\n");
break;
case MMCO_LONG:
// Comment below left from previous code as it is an interresting note.
/* First field in pair is in short term list or
* at a different long term index.
* This is not allowed; see 7.4.3.3, notes 2 and 3.
* Report the problem and keep the pair where it is,
* and mark this field valid.
*/
if (h->short_ref[0] == h->cur_pic_ptr)
remove_short_at_index(h, 0);
/* make sure the current picture is not already assigned as a long ref */
if (h->cur_pic_ptr->long_ref) {
for (j = 0; j < FF_ARRAY_ELEMS(h->long_ref); j++) {
if (h->long_ref[j] == h->cur_pic_ptr)
remove_long(h, j, 0);
}
}
if (h->long_ref[mmco[i].long_arg] != h->cur_pic_ptr) {
remove_long(h, mmco[i].long_arg, 0);
h->long_ref[mmco[i].long_arg] = h->cur_pic_ptr;
h->long_ref[mmco[i].long_arg]->long_ref = 1;
h->long_ref_count++;
}
h->cur_pic_ptr->reference |= h->picture_structure;
current_ref_assigned = 1;
break;
case MMCO_SET_MAX_LONG:
assert(mmco[i].long_arg <= 16);
// just remove the long term which index is greater than new max
for (j = mmco[i].long_arg; j < 16; j++) {
remove_long(h, j, 0);
}
break;
case MMCO_RESET:
while (h->short_ref_count) {
remove_short(h, h->short_ref[0]->frame_num, 0);
}
for (j = 0; j < 16; j++) {
remove_long(h, j, 0);
}
h->frame_num = h->cur_pic_ptr->frame_num = 0;
h->mmco_reset = 1;
h->cur_pic_ptr->mmco_reset = 1;
break;
default: assert(0);
}
}
if (!current_ref_assigned) {
/* Second field of complementary field pair; the first field of
* which is already referenced. If short referenced, it
* should be first entry in short_ref. If not, it must exist
* in long_ref; trying to put it on the short list here is an
* error in the encoded bit stream (ref: 7.4.3.3, NOTE 2 and 3).
*/
if (h->short_ref_count && h->short_ref[0] == h->cur_pic_ptr) {
/* Just mark the second field valid */
h->cur_pic_ptr->reference = PICT_FRAME;
} else if (h->cur_pic_ptr->long_ref) {
av_log(h->avctx, AV_LOG_ERROR, "illegal short term reference "
"assignment for second field "
"in complementary field pair "
"(first field is long term)\n");
err = AVERROR_INVALIDDATA;
} else {
pic = remove_short(h, h->cur_pic_ptr->frame_num, 0);
if (pic) {
av_log(h->avctx, AV_LOG_ERROR, "illegal short term buffer state detected\n");
err = AVERROR_INVALIDDATA;
}
if (h->short_ref_count)
memmove(&h->short_ref[1], &h->short_ref[0],
h->short_ref_count * sizeof(H264Picture*));
h->short_ref[0] = h->cur_pic_ptr;
h->short_ref_count++;
h->cur_pic_ptr->reference |= h->picture_structure;
}
}
if (h->long_ref_count + h->short_ref_count -
(h->short_ref[0] == h->cur_pic_ptr) > h->sps.ref_frame_count) {
/* We have too many reference frames, probably due to corrupted
* stream. Need to discard one frame. Prevents overrun of the
* short_ref and long_ref buffers.
*/
av_log(h->avctx, AV_LOG_ERROR,
"number of reference frames (%d+%d) exceeds max (%d; probably "
"corrupt input), discarding one\n",
h->long_ref_count, h->short_ref_count, h->sps.ref_frame_count);
err = AVERROR_INVALIDDATA;
if (h->long_ref_count && !h->short_ref_count) {
for (i = 0; i < 16; ++i)
if (h->long_ref[i])
break;
assert(i < 16);
remove_long(h, i, 0);
} else {
pic = h->short_ref[h->short_ref_count - 1];
remove_short(h, pic->frame_num, 0);
}
}
print_short_term(h);
print_long_term(h);
return (h->avctx->err_recognition & AV_EF_EXPLODE) ? err : 0;
}
|
d2a_function_data_5474
|
int DH_check(const DH *dh, int *ret)
{
int ok = 0, r;
BN_CTX *ctx = NULL;
BIGNUM *t1 = NULL, *t2 = NULL;
if (!DH_check_params(dh, ret))
return 0;
ctx = BN_CTX_new();
if (ctx == NULL)
goto err;
BN_CTX_start(ctx);
t1 = BN_CTX_get(ctx);
t2 = BN_CTX_get(ctx);
if (t2 == NULL)
goto err;
if (dh->q) {
if (BN_cmp(dh->g, BN_value_one()) <= 0)
*ret |= DH_NOT_SUITABLE_GENERATOR;
else if (BN_cmp(dh->g, dh->p) >= 0)
*ret |= DH_NOT_SUITABLE_GENERATOR;
else {
/* Check g^q == 1 mod p */
if (!BN_mod_exp(t1, dh->g, dh->q, dh->p, ctx))
goto err;
if (!BN_is_one(t1))
*ret |= DH_NOT_SUITABLE_GENERATOR;
}
r = BN_is_prime_ex(dh->q, DH_NUMBER_ITERATIONS_FOR_PRIME, ctx, NULL);
if (r < 0)
goto err;
if (!r)
*ret |= DH_CHECK_Q_NOT_PRIME;
/* Check p == 1 mod q i.e. q divides p - 1 */
if (!BN_div(t1, t2, dh->p, dh->q, ctx))
goto err;
if (!BN_is_one(t2))
*ret |= DH_CHECK_INVALID_Q_VALUE;
if (dh->j && BN_cmp(dh->j, t1))
*ret |= DH_CHECK_INVALID_J_VALUE;
}
r = BN_is_prime_ex(dh->p, DH_NUMBER_ITERATIONS_FOR_PRIME, ctx, NULL);
if (r < 0)
goto err;
if (!r)
*ret |= DH_CHECK_P_NOT_PRIME;
else if (!dh->q) {
if (!BN_rshift1(t1, dh->p))
goto err;
r = BN_is_prime_ex(t1, DH_NUMBER_ITERATIONS_FOR_PRIME, ctx, NULL);
if (r < 0)
goto err;
if (!r)
*ret |= DH_CHECK_P_NOT_SAFE_PRIME;
}
ok = 1;
err:
BN_CTX_end(ctx);
BN_CTX_free(ctx);
return ok;
}
|
d2a_function_data_5475
|
int BIO_printf (BIO *bio, ...)
{
va_list args;
char *format;
int ret;
size_t retlen;
#ifdef USE_ALLOCATING_PRINT
char *hugebuf;
#else
MS_STATIC char hugebuf[1024*2]; /* 10k in one chunk is the limit */
#endif
va_start(args, bio);
format=va_arg(args, char *);
#ifndef USE_ALLOCATING_PRINT
hugebuf[0]='\0';
dopr(hugebuf, sizeof(hugebuf), &retlen, format, args);
#else
hugebuf = NULL;
CRYPTO_push_info("doapr()");
doapr(&hugebuf, &retlen, format, args);
if (hugebuf)
{
#endif
ret=BIO_write(bio, hugebuf, (int)retlen);
#ifdef USE_ALLOCATING_PRINT
Free(hugebuf);
}
CRYPTO_pop_info();
#endif
va_end(args);
return(ret);
}
|
d2a_function_data_5476
|
static int decode_hextile(VmncContext *c, uint8_t* dst, GetByteContext *gb,
int w, int h, int stride)
{
int i, j, k;
int bg = 0, fg = 0, rects, color, flags, xy, wh;
const int bpp = c->bpp2;
uint8_t *dst2;
int bw = 16, bh = 16;
for (j = 0; j < h; j += 16) {
dst2 = dst;
bw = 16;
if (j + 16 > h)
bh = h - j;
for (i = 0; i < w; i += 16, dst2 += 16 * bpp) {
if (bytestream2_get_bytes_left(gb) <= 0) {
av_log(c->avctx, AV_LOG_ERROR, "Premature end of data!\n");
return AVERROR_INVALIDDATA;
}
if (i + 16 > w)
bw = w - i;
flags = bytestream2_get_byte(gb);
if (flags & HT_RAW) {
if (bytestream2_get_bytes_left(gb) < bw * bh * bpp) {
av_log(c->avctx, AV_LOG_ERROR, "Premature end of data!\n");
return AVERROR_INVALIDDATA;
}
paint_raw(dst2, bw, bh, gb, bpp, c->bigendian, stride);
} else {
if (flags & HT_BKG)
bg = vmnc_get_pixel(gb, bpp, c->bigendian);
if (flags & HT_FG)
fg = vmnc_get_pixel(gb, bpp, c->bigendian);
rects = 0;
if (flags & HT_SUB)
rects = bytestream2_get_byte(gb);
color = !!(flags & HT_CLR);
paint_rect(dst2, 0, 0, bw, bh, bg, bpp, stride);
if (bytestream2_get_bytes_left(gb) < rects * (color * bpp + 2)) {
av_log(c->avctx, AV_LOG_ERROR, "Premature end of data!\n");
return AVERROR_INVALIDDATA;
}
for (k = 0; k < rects; k++) {
int rect_x, rect_y, rect_w, rect_h;
if (color)
fg = vmnc_get_pixel(gb, bpp, c->bigendian);
xy = bytestream2_get_byte(gb);
wh = bytestream2_get_byte(gb);
rect_x = xy >> 4;
rect_y = xy & 0xF;
rect_w = (wh >> 4) + 1;
rect_h = (wh & 0xF) + 1;
if (rect_x + rect_w > bw || rect_y + rect_h > bh) {
av_log(c->avctx, AV_LOG_ERROR, "Invalid subrect\n");
return AVERROR_INVALIDDATA;
}
paint_rect(dst2, rect_x, rect_y,
rect_w, rect_h, fg, bpp, stride);
}
}
}
dst += stride * 16;
}
return 0;
}
|
d2a_function_data_5477
|
int get_password(struct passwd_ctx *ctx)
{
if (ctx->passwd_src == PW_STDIN) {
char *buf = ctx->out;
apr_file_t *file_stdin;
apr_size_t nread;
if (apr_file_open_stdin(&file_stdin, ctx->pool) != APR_SUCCESS) {
ctx->errstr = "Unable to read from stdin.";
return ERR_GENERAL;
}
if (apr_file_read_full(file_stdin, buf, ctx->out_len - 1,
&nread) != APR_EOF
|| nread == ctx->out_len - 1) {
goto err_too_long;
}
buf[nread] = '\0';
if (nread >= 1 && buf[nread-1] == '\n') {
buf[nread-1] = '\0';
if (nread >= 2 && buf[nread-2] == '\r')
buf[nread-2] = '\0';
}
apr_file_close(file_stdin);
}
else {
char buf[MAX_STRING_LEN + 1];
apr_size_t bufsize = sizeof(buf);
if (apr_password_get("New password: ", ctx->out, &ctx->out_len) != 0)
goto err_too_long;
apr_password_get("Re-type new password: ", buf, &bufsize);
if (strcmp(ctx->out, buf) != 0) {
ctx->errstr = "password verification error";
memset(ctx->out, '\0', ctx->out_len);
memset(buf, '\0', sizeof(buf));
return ERR_PWMISMATCH;
}
memset(buf, '\0', sizeof(buf));
}
return 0;
err_too_long:
ctx->errstr = apr_psprintf(ctx->pool,
"password too long (>%" APR_SIZE_T_FMT ")",
ctx->out_len - 1);
return ERR_OVERFLOW;
}
|
d2a_function_data_5478
|
static int v410_encode_frame(AVCodecContext *avctx, uint8_t *buf,
int buf_size, void *data)
{
AVFrame *pic = data;
uint8_t *dst = buf;
uint16_t *y, *u, *v;
uint32_t val;
int i, j;
int output_size = 0;
if (buf_size < avctx->width * avctx->height * 4) {
av_log(avctx, AV_LOG_ERROR, "Out buffer is too small.\n");
return AVERROR(ENOMEM);
}
avctx->coded_frame->reference = 0;
avctx->coded_frame->key_frame = 1;
avctx->coded_frame->pict_type = FF_I_TYPE;
y = (uint16_t *)pic->data[0];
u = (uint16_t *)pic->data[1];
v = (uint16_t *)pic->data[2];
for (i = 0; i < avctx->height; i++) {
for (j = 0; j < avctx->width; j++) {
val = u[j] << 2;
val |= y[j] << 12;
val |= v[j] << 22;
AV_WL32(dst, val);
dst += 4;
output_size += 4;
}
y += pic->linesize[0] >> 1;
u += pic->linesize[1] >> 1;
v += pic->linesize[2] >> 1;
}
return output_size;
}
|
d2a_function_data_5479
|
int ff_interleave_add_packet(AVFormatContext *s, AVPacket *pkt,
int (*compare)(AVFormatContext *, AVPacket *, AVPacket *))
{
int ret;
AVPacketList **next_point, *this_pktl;
this_pktl = av_mallocz(sizeof(AVPacketList));
if (!this_pktl)
return AVERROR(ENOMEM);
this_pktl->pkt = *pkt;
#if FF_API_DESTRUCT_PACKET
FF_DISABLE_DEPRECATION_WARNINGS
pkt->destruct = NULL; // do not free original but only the copy
FF_ENABLE_DEPRECATION_WARNINGS
#endif
pkt->buf = NULL;
// Duplicate the packet if it uses non-allocated memory
if ((ret = av_dup_packet(&this_pktl->pkt)) < 0) {
av_free(this_pktl);
return ret;
}
if (s->streams[pkt->stream_index]->last_in_packet_buffer) {
next_point = &(s->streams[pkt->stream_index]->last_in_packet_buffer->next);
} else
next_point = &s->packet_buffer;
if (*next_point) {
if (compare(s, &s->packet_buffer_end->pkt, pkt)) {
while (!compare(s, &(*next_point)->pkt, pkt))
next_point = &(*next_point)->next;
goto next_non_null;
} else {
next_point = &(s->packet_buffer_end->next);
}
}
assert(!*next_point);
s->packet_buffer_end = this_pktl;
next_non_null:
this_pktl->next = *next_point;
s->streams[pkt->stream_index]->last_in_packet_buffer =
*next_point = this_pktl;
return 0;
}
|
d2a_function_data_5480
|
int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx)
{
/* Don't assume ctx->md_data was cleaned in EVP_Digest_Final,
* because sometimes only copies of the context are ever finalised.
*/
if (ctx->digest && ctx->digest->cleanup
&& !EVP_MD_CTX_test_flags(ctx,EVP_MD_CTX_FLAG_CLEANED))
ctx->digest->cleanup(ctx);
if (ctx->digest && ctx->digest->ctx_size && ctx->md_data
&& !EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_REUSE))
{
OPENSSL_cleanse(ctx->md_data,ctx->digest->ctx_size);
OPENSSL_free(ctx->md_data);
}
if (ctx->pctx)
EVP_PKEY_CTX_free(ctx->pctx);
#ifndef OPENSSL_NO_ENGINE
if(ctx->engine)
/* The EVP_MD we used belongs to an ENGINE, release the
* functional reference we held for this reason. */
ENGINE_finish(ctx->engine);
#endif
memset(ctx,'\0',sizeof *ctx);
return 1;
}
|
d2a_function_data_5481
|
static int asn1_cb(const char *elem, int len, void *bitstr)
{
tag_exp_arg *arg = bitstr;
int i;
int utype;
int vlen = 0;
const char *p, *vstart = NULL;
int tmp_tag, tmp_class;
for(i = 0, p = elem; i < len; p++, i++)
{
/* Look for the ':' in name value pairs */
if (*p == ':')
{
vstart = p + 1;
vlen = len - (vstart - elem);
len = p - elem;
break;
}
}
utype = asn1_str2tag(elem, len);
if (utype == -1)
{
ASN1err(ASN1_F_ASN1_CB, ASN1_R_UNKNOWN_TAG);
ERR_add_error_data(2, "tag=", elem);
return -1;
}
/* If this is not a modifier mark end of string and exit */
if (!(utype & ASN1_GEN_FLAG))
{
arg->utype = utype;
arg->str = vstart;
/* If no value and not end of string, error */
if (!vstart && elem[len])
{
ASN1err(ASN1_F_ASN1_CB, ASN1_R_MISSING_VALUE);
return -1;
}
return 0;
}
switch(utype)
{
case ASN1_GEN_FLAG_IMP:
/* Check for illegal multiple IMPLICIT tagging */
if (arg->imp_tag != -1)
{
ASN1err(ASN1_F_ASN1_CB, ASN1_R_ILLEGAL_NESTED_TAGGING);
return -1;
}
if (!parse_tagging(vstart, vlen, &arg->imp_tag, &arg->imp_class))
return -1;
break;
case ASN1_GEN_FLAG_EXP:
if (!parse_tagging(vstart, vlen, &tmp_tag, &tmp_class))
return -1;
if (!append_exp(arg, tmp_tag, tmp_class, 1, 0, 0))
return -1;
break;
case ASN1_GEN_FLAG_SEQWRAP:
if (!append_exp(arg, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, 1, 0, 1))
return -1;
break;
case ASN1_GEN_FLAG_BITWRAP:
if (!append_exp(arg, V_ASN1_BIT_STRING, V_ASN1_UNIVERSAL, 0, 1, 1))
return -1;
break;
case ASN1_GEN_FLAG_OCTWRAP:
if (!append_exp(arg, V_ASN1_OCTET_STRING, V_ASN1_UNIVERSAL, 0, 0, 1))
return -1;
break;
case ASN1_GEN_FLAG_FORMAT:
if (!strncmp(vstart, "ASCII", 5))
arg->format = ASN1_GEN_FORMAT_ASCII;
else if (!strncmp(vstart, "UTF8", 4))
arg->format = ASN1_GEN_FORMAT_UTF8;
else if (!strncmp(vstart, "HEX", 3))
arg->format = ASN1_GEN_FORMAT_HEX;
else if (!strncmp(vstart, "BITLIST", 3))
arg->format = ASN1_GEN_FORMAT_BITLIST;
else
{
ASN1err(ASN1_F_ASN1_CB, ASN1_R_UNKOWN_FORMAT);
return -1;
}
break;
}
return 1;
}
|
d2a_function_data_5482
|
static int hls_append_segment(struct AVFormatContext *s, HLSContext *hls, double duration,
int64_t pos, int64_t size)
{
HLSSegment *en = av_malloc(sizeof(*en));
const char *filename;
int ret;
if (!en)
return AVERROR(ENOMEM);
if ((hls->flags & (HLS_SECOND_LEVEL_SEGMENT_SIZE | HLS_SECOND_LEVEL_SEGMENT_DURATION)) &&
strlen(hls->current_segment_final_filename_fmt)) {
char * old_filename = av_strdup(hls->avf->filename); // %%s will be %s after strftime
av_strlcpy(hls->avf->filename, hls->current_segment_final_filename_fmt, sizeof(hls->avf->filename));
if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_SIZE) {
char * filename = av_strdup(hls->avf->filename); // %%s will be %s after strftime
if (!filename)
return AVERROR(ENOMEM);
if (replace_int_data_in_filename(hls->avf->filename, sizeof(hls->avf->filename),
filename, 's', pos + size) < 1) {
av_log(hls, AV_LOG_ERROR,
"Invalid second level segment filename template '%s', "
"you can try to remove second_level_segment_size flag\n",
filename);
av_free(filename);
av_free(old_filename);
return AVERROR(EINVAL);
}
av_free(filename);
}
if (hls->flags & HLS_SECOND_LEVEL_SEGMENT_DURATION) {
char * filename = av_strdup(hls->avf->filename); // %%t will be %t after strftime
if (!filename)
return AVERROR(ENOMEM);
if (replace_int_data_in_filename(hls->avf->filename, sizeof(hls->avf->filename),
filename, 't', (int64_t)round(1000000 * duration)) < 1) {
av_log(hls, AV_LOG_ERROR,
"Invalid second level segment filename template '%s', "
"you can try to remove second_level_segment_time flag\n",
filename);
av_free(filename);
av_free(old_filename);
return AVERROR(EINVAL);
}
av_free(filename);
}
ff_rename(old_filename, hls->avf->filename, hls);
av_free(old_filename);
}
filename = av_basename(hls->avf->filename);
if (hls->use_localtime_mkdir) {
filename = hls->avf->filename;
}
if (find_segment_by_filename(hls->segments, filename)
|| find_segment_by_filename(hls->old_segments, filename)) {
av_log(hls, AV_LOG_WARNING, "Duplicated segment filename detected: %s\n", filename);
}
av_strlcpy(en->filename, filename, sizeof(en->filename));
if(hls->has_subtitle)
av_strlcpy(en->sub_filename, av_basename(hls->vtt_avf->filename), sizeof(en->sub_filename));
else
en->sub_filename[0] = '\0';
en->duration = duration;
en->pos = pos;
en->size = size;
en->next = NULL;
en->discont = 0;
if (hls->discontinuity) {
en->discont = 1;
hls->discontinuity = 0;
}
if (hls->key_info_file) {
av_strlcpy(en->key_uri, hls->key_uri, sizeof(en->key_uri));
av_strlcpy(en->iv_string, hls->iv_string, sizeof(en->iv_string));
}
if (!hls->segments)
hls->segments = en;
else
hls->last_segment->next = en;
hls->last_segment = en;
// EVENT or VOD playlists imply sliding window cannot be used
if (hls->pl_type != PLAYLIST_TYPE_NONE)
hls->max_nb_segments = 0;
if (hls->max_nb_segments && hls->nb_entries >= hls->max_nb_segments) {
en = hls->segments;
hls->initial_prog_date_time += en->duration;
hls->segments = en->next;
if (en && hls->flags & HLS_DELETE_SEGMENTS &&
!(hls->flags & HLS_SINGLE_FILE || hls->wrap)) {
en->next = hls->old_segments;
hls->old_segments = en;
if ((ret = hls_delete_old_segments(hls)) < 0)
return ret;
} else
av_free(en);
} else
hls->nb_entries++;
if (hls->max_seg_size > 0) {
return 0;
}
hls->sequence++;
return 0;
}
|
d2a_function_data_5483
|
static int util_verbose(ENGINE *e, int verbose, BIO *bio_out, const char *indent)
{
static const int line_wrap = 78;
int num;
char *name = NULL;
char *desc = NULL;
int flags;
int xpos = 0;
STACK *cmds = sk_new_null();
if(!cmds)
goto err;
if(!ENGINE_ctrl(e, ENGINE_CTRL_HAS_CTRL_FUNCTION, 0, NULL, NULL) ||
((num = ENGINE_ctrl(e, ENGINE_CTRL_GET_FIRST_CMD_TYPE,
0, NULL, NULL)) <= 0))
{
#if 0
BIO_printf(bio_out, "%s<no control commands>\n", indent);
#endif
return 1;
}
do {
int len;
/* Get the command name */
if((len = ENGINE_ctrl(e, ENGINE_CTRL_GET_NAME_LEN_FROM_CMD, num,
NULL, NULL)) <= 0)
goto err;
if((name = OPENSSL_malloc(len + 1)) == NULL)
goto err;
if(ENGINE_ctrl(e, ENGINE_CTRL_GET_NAME_FROM_CMD, num, name,
NULL) <= 0)
goto err;
/* Get the command description */
if((len = ENGINE_ctrl(e, ENGINE_CTRL_GET_DESC_LEN_FROM_CMD, num,
NULL, NULL)) < 0)
goto err;
if(len > 0)
{
if((desc = OPENSSL_malloc(len + 1)) == NULL)
goto err;
if(ENGINE_ctrl(e, ENGINE_CTRL_GET_DESC_FROM_CMD, num, desc,
NULL) <= 0)
goto err;
}
/* Get the command input flags */
if((flags = ENGINE_ctrl(e, ENGINE_CTRL_GET_CMD_FLAGS, num,
NULL, NULL)) < 0)
goto err;
/* Now decide on the output */
if(xpos == 0)
/* Do an indent */
xpos = BIO_printf(bio_out, indent);
else
/* Otherwise prepend a ", " */
xpos += BIO_printf(bio_out, ", ");
if(verbose == 1)
{
/* We're just listing names, comma-delimited */
if((xpos > (int)strlen(indent)) &&
(xpos + (int)strlen(name) > line_wrap))
{
BIO_printf(bio_out, "\n");
xpos = BIO_printf(bio_out, indent);
}
xpos += BIO_printf(bio_out, "%s", name);
}
else
{
/* We're listing names plus descriptions */
BIO_printf(bio_out, "%s: %s\n", name,
(desc == NULL) ? "<no description>" : desc);
/* ... and sometimes input flags */
if((verbose == 3) && !util_flags(bio_out, flags,
indent))
goto err;
xpos = 0;
}
OPENSSL_free(name); name = NULL;
if(desc) { OPENSSL_free(desc); desc = NULL; }
/* Move to the next command */
num = ENGINE_ctrl(e, ENGINE_CTRL_GET_NEXT_CMD_TYPE,
num, NULL, NULL);
} while(num > 0);
if(xpos > 0)
BIO_printf(bio_out, "\n");
return 1;
err:
if(cmds) sk_pop_free(cmds, identity);
if(name) OPENSSL_free(name);
if(desc) OPENSSL_free(desc);
return 0;
}
|
d2a_function_data_5484
|
int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
int (*put_cb)(const SSL_CIPHER *, unsigned char *))
{
int i,j=0;
SSL_CIPHER *c;
CERT *ct = s->cert;
unsigned char *q;
int no_scsv = s->renegotiate;
/* Set disabled masks for this session */
ssl_set_client_disabled(s);
if (sk == NULL) return(0);
q=p;
for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
{
c=sk_SSL_CIPHER_value(sk,i);
/* Skip disabled ciphers */
if (c->algorithm_ssl & ct->mask_ssl ||
c->algorithm_mkey & ct->mask_k ||
c->algorithm_auth & ct->mask_a)
continue;
#ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
if (c->id == SSL3_CK_SCSV)
{
if (no_scsv)
continue;
else
no_scsv = 1;
}
#endif
j = put_cb ? put_cb(c,p) : ssl_put_cipher_by_char(s,c,p);
p+=j;
}
/* If p == q, no ciphers and caller indicates an error. Otherwise
* add SCSV if not renegotiating.
*/
if (p != q && !no_scsv)
{
static SSL_CIPHER scsv =
{
0, NULL, SSL3_CK_SCSV, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
j = put_cb ? put_cb(&scsv,p) : ssl_put_cipher_by_char(s,&scsv,p);
p+=j;
#ifdef OPENSSL_RI_DEBUG
fprintf(stderr, "SCSV sent by client\n");
#endif
}
return(p-q);
}
|
d2a_function_data_5485
|
int tls_construct_stoc_status_request(SSL *s, WPACKET *pkt, X509 *x,
size_t chain, int *al)
{
if (!s->tlsext_status_expected)
return 1;
if (SSL_IS_TLS13(s) && chain != 0)
return 1;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_status_request)
|| !WPACKET_start_sub_packet_u16(pkt)) {
SSLerr(SSL_F_TLS_CONSTRUCT_STOC_STATUS_REQUEST, ERR_R_INTERNAL_ERROR);
return 0;
}
/*
* In TLSv1.3 we include the certificate status itself. In <= TLSv1.2 we
* send back an empty extension, with the certificate status appearing as a
* separate message
*/
if ((SSL_IS_TLS13(s) && !tls_construct_cert_status_body(s, pkt))
|| !WPACKET_close(pkt)) {
SSLerr(SSL_F_TLS_CONSTRUCT_STOC_STATUS_REQUEST, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
|
d2a_function_data_5486
|
static int eval_motion_dist(RoqContext *enc, int x, int y, motion_vect vect,
int size)
{
int mx=vect.d[0];
int my=vect.d[1];
if (mx < -7 || mx > 7)
return INT_MAX;
if (my < -7 || my > 7)
return INT_MAX;
mx += x;
my += y;
if ((unsigned) mx > enc->width-size || (unsigned) my > enc->height-size)
return INT_MAX;
return block_sse(enc->frame_to_enc->data, enc->last_frame->data, x, y,
mx, my,
enc->frame_to_enc->linesize, enc->last_frame->linesize,
size);
}
|
d2a_function_data_5487
|
static int print_device_sinks(AVOutputFormat *fmt, AVDictionary *opts)
{
int ret, i;
AVDeviceInfoList *device_list = NULL;
if (!fmt || !fmt->priv_class || !AV_IS_OUTPUT_DEVICE(fmt->priv_class->category))
return AVERROR(EINVAL);
printf("Audo-detected sinks for %s:\n", fmt->name);
if (!fmt->get_device_list) {
ret = AVERROR(ENOSYS);
printf("Cannot list sinks. Not implemented.\n");
goto fail;
}
if ((ret = avdevice_list_output_sinks(fmt, NULL, opts, &device_list)) < 0) {
printf("Cannot list sinks.\n");
goto fail;
}
for (i = 0; i < device_list->nb_devices; i++) {
printf("%s %s [%s]\n", device_list->default_device == i ? "*" : " ",
device_list->devices[i]->device_name, device_list->devices[i]->device_description);
}
fail:
avdevice_free_list_devices(&device_list);
return ret;
}
|
d2a_function_data_5488
|
static void body(uint32_t ABCD[4], uint32_t *src, int nblocks)
{
int i av_unused;
int n;
uint32_t a, b, c, d, t, *X;
for (n = 0; n < nblocks; n++) {
a = ABCD[3];
b = ABCD[2];
c = ABCD[1];
d = ABCD[0];
X = src + n * 16;
#if HAVE_BIGENDIAN
for (i = 0; i < 16; i++)
X[i] = av_bswap32(X[i]);
#endif
#if CONFIG_SMALL
for (i = 0; i < 64; i++) {
CORE(i, a, b, c, d);
t = d;
d = c;
c = b;
b = a;
a = t;
}
#else
#define CORE2(i) \
CORE( i, a,b,c,d); CORE((i+1),d,a,b,c); \
CORE((i+2),c,d,a,b); CORE((i+3),b,c,d,a)
#define CORE4(i) CORE2(i); CORE2((i+4)); CORE2((i+8)); CORE2((i+12))
CORE4(0); CORE4(16); CORE4(32); CORE4(48);
#endif
ABCD[0] += d;
ABCD[1] += c;
ABCD[2] += b;
ABCD[3] += a;
}
}
|
d2a_function_data_5489
|
static int process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eof)
{
int ret = 0, i;
int got_output = 0;
AVPacket avpkt;
if (!ist->saw_first_ts) {
ist->dts = ist->st->avg_frame_rate.num ? - ist->dec_ctx->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
ist->pts = 0;
if (pkt && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
}
ist->saw_first_ts = 1;
}
if (ist->next_dts == AV_NOPTS_VALUE)
ist->next_dts = ist->dts;
if (ist->next_pts == AV_NOPTS_VALUE)
ist->next_pts = ist->pts;
if (!pkt) {
/* EOF handling */
av_init_packet(&avpkt);
avpkt.data = NULL;
avpkt.size = 0;
goto handle_eof;
} else {
avpkt = *pkt;
}
if (pkt->dts != AV_NOPTS_VALUE) {
ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
if (ist->dec_ctx->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
ist->next_pts = ist->pts = ist->dts;
}
// while we have more to decode or while the decoder did output something on EOF
while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
int duration;
handle_eof:
ist->pts = ist->next_pts;
ist->dts = ist->next_dts;
switch (ist->dec_ctx->codec_type) {
case AVMEDIA_TYPE_AUDIO:
ret = decode_audio (ist, &avpkt, &got_output);
break;
case AVMEDIA_TYPE_VIDEO:
ret = decode_video (ist, &avpkt, &got_output);
if (avpkt.duration) {
duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
} else if(ist->dec_ctx->framerate.num != 0 && ist->dec_ctx->framerate.den != 0) {
int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict+1 : ist->dec_ctx->ticks_per_frame;
duration = ((int64_t)AV_TIME_BASE *
ist->dec_ctx->framerate.den * ticks) /
ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
} else
duration = 0;
if(ist->dts != AV_NOPTS_VALUE && duration) {
ist->next_dts += duration;
}else
ist->next_dts = AV_NOPTS_VALUE;
if (got_output)
ist->next_pts += duration; //FIXME the duration is not correct in some cases
break;
case AVMEDIA_TYPE_SUBTITLE:
ret = transcode_subtitles(ist, &avpkt, &got_output);
break;
default:
return -1;
}
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
ist->file_index, ist->st->index, av_err2str(ret));
if (exit_on_error)
exit_program(1);
break;
}
avpkt.dts=
avpkt.pts= AV_NOPTS_VALUE;
// touch data and size only if not EOF
if (pkt) {
if(ist->dec_ctx->codec_type != AVMEDIA_TYPE_AUDIO)
ret = avpkt.size;
avpkt.data += ret;
avpkt.size -= ret;
}
if (!got_output) {
continue;
}
if (got_output && !pkt)
break;
}
/* after flushing, send an EOF on all the filter inputs attached to the stream */
/* except when looping we need to flush but not to send an EOF */
if (!pkt && ist->decoding_needed && !got_output && !no_eof) {
int ret = send_filter_eof(ist);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL, "Error marking filters as finished\n");
exit_program(1);
}
}
/* handle stream copy */
if (!ist->decoding_needed) {
ist->dts = ist->next_dts;
switch (ist->dec_ctx->codec_type) {
case AVMEDIA_TYPE_AUDIO:
ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
ist->dec_ctx->sample_rate;
break;
case AVMEDIA_TYPE_VIDEO:
if (ist->framerate.num) {
// TODO: Remove work-around for c99-to-c89 issue 7
AVRational time_base_q = AV_TIME_BASE_Q;
int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
} else if (pkt->duration) {
ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
} else if(ist->dec_ctx->framerate.num != 0) {
int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
ist->next_dts += ((int64_t)AV_TIME_BASE *
ist->dec_ctx->framerate.den * ticks) /
ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
}
break;
}
ist->pts = ist->dts;
ist->next_pts = ist->next_dts;
}
for (i = 0; pkt && i < nb_output_streams; i++) {
OutputStream *ost = output_streams[i];
if (!check_output_constraints(ist, ost) || ost->encoding_needed)
continue;
do_streamcopy(ist, ost, pkt);
}
return got_output;
}
|
d2a_function_data_5490
|
void ff_init_block_index(MpegEncContext *s){ //FIXME maybe rename
const int linesize = s->current_picture.f->linesize[0]; //not s->linesize as this would be wrong for field pics
const int uvlinesize = s->current_picture.f->linesize[1];
const int mb_size= 4;
s->block_index[0]= s->b8_stride*(s->mb_y*2 ) - 2 + s->mb_x*2;
s->block_index[1]= s->b8_stride*(s->mb_y*2 ) - 1 + s->mb_x*2;
s->block_index[2]= s->b8_stride*(s->mb_y*2 + 1) - 2 + s->mb_x*2;
s->block_index[3]= s->b8_stride*(s->mb_y*2 + 1) - 1 + s->mb_x*2;
s->block_index[4]= s->mb_stride*(s->mb_y + 1) + s->b8_stride*s->mb_height*2 + s->mb_x - 1;
s->block_index[5]= s->mb_stride*(s->mb_y + s->mb_height + 2) + s->b8_stride*s->mb_height*2 + s->mb_x - 1;
//block_index is not used by mpeg2, so it is not affected by chroma_format
s->dest[0] = s->current_picture.f->data[0] + ((s->mb_x - 1) << mb_size);
s->dest[1] = s->current_picture.f->data[1] + ((s->mb_x - 1) << (mb_size - s->chroma_x_shift));
s->dest[2] = s->current_picture.f->data[2] + ((s->mb_x - 1) << (mb_size - s->chroma_x_shift));
if(!(s->pict_type==AV_PICTURE_TYPE_B && s->avctx->draw_horiz_band && s->picture_structure==PICT_FRAME))
{
if(s->picture_structure==PICT_FRAME){
s->dest[0] += s->mb_y * linesize << mb_size;
s->dest[1] += s->mb_y * uvlinesize << (mb_size - s->chroma_y_shift);
s->dest[2] += s->mb_y * uvlinesize << (mb_size - s->chroma_y_shift);
}else{
s->dest[0] += (s->mb_y>>1) * linesize << mb_size;
s->dest[1] += (s->mb_y>>1) * uvlinesize << (mb_size - s->chroma_y_shift);
s->dest[2] += (s->mb_y>>1) * uvlinesize << (mb_size - s->chroma_y_shift);
assert((s->mb_y&1) == (s->picture_structure == PICT_BOTTOM_FIELD));
}
}
}
|
d2a_function_data_5491
|
int dtls1_do_write(SSL *s, int type)
{
int ret;
int curr_mtu;
unsigned int len, frag_off, mac_size, blocksize;
/* AHA! Figure out the MTU, and stick to the right size */
if (s->d1->mtu < dtls1_min_mtu() && !(SSL_get_options(s) & SSL_OP_NO_QUERY_MTU))
{
s->d1->mtu =
BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_QUERY_MTU, 0, NULL);
/* I've seen the kernel return bogus numbers when it doesn't know
* (initial write), so just make sure we have a reasonable number */
if (s->d1->mtu < dtls1_min_mtu())
{
s->d1->mtu = 0;
s->d1->mtu = dtls1_guess_mtu(s->d1->mtu);
BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SET_MTU,
s->d1->mtu, NULL);
}
}
#if 0
mtu = s->d1->mtu;
fprintf(stderr, "using MTU = %d\n", mtu);
mtu -= (DTLS1_HM_HEADER_LENGTH + DTLS1_RT_HEADER_LENGTH);
curr_mtu = mtu - BIO_wpending(SSL_get_wbio(s));
if ( curr_mtu > 0)
mtu = curr_mtu;
else if ( ( ret = BIO_flush(SSL_get_wbio(s))) <= 0)
return ret;
if ( BIO_wpending(SSL_get_wbio(s)) + s->init_num >= mtu)
{
ret = BIO_flush(SSL_get_wbio(s));
if ( ret <= 0)
return ret;
mtu = s->d1->mtu - (DTLS1_HM_HEADER_LENGTH + DTLS1_RT_HEADER_LENGTH);
}
#endif
OPENSSL_assert(s->d1->mtu >= dtls1_min_mtu()); /* should have something reasonable now */
if ( s->init_off == 0 && type == SSL3_RT_HANDSHAKE)
OPENSSL_assert(s->init_num ==
(int)s->d1->w_msg_hdr.msg_len + DTLS1_HM_HEADER_LENGTH);
if (s->write_hash)
mac_size = EVP_MD_CTX_size(s->write_hash);
else
mac_size = 0;
if (s->enc_write_ctx &&
(EVP_CIPHER_mode( s->enc_write_ctx->cipher) & EVP_CIPH_CBC_MODE))
blocksize = 2 * EVP_CIPHER_block_size(s->enc_write_ctx->cipher);
else
blocksize = 0;
frag_off = 0;
while( s->init_num)
{
curr_mtu = s->d1->mtu - BIO_wpending(SSL_get_wbio(s)) -
DTLS1_RT_HEADER_LENGTH - mac_size - blocksize;
if ( curr_mtu <= DTLS1_HM_HEADER_LENGTH)
{
/* grr.. we could get an error if MTU picked was wrong */
ret = BIO_flush(SSL_get_wbio(s));
if ( ret <= 0)
return ret;
curr_mtu = s->d1->mtu - DTLS1_RT_HEADER_LENGTH -
mac_size - blocksize;
}
if ( s->init_num > curr_mtu)
len = curr_mtu;
else
len = s->init_num;
/* XDTLS: this function is too long. split out the CCS part */
if ( type == SSL3_RT_HANDSHAKE)
{
if ( s->init_off != 0)
{
OPENSSL_assert(s->init_off > DTLS1_HM_HEADER_LENGTH);
s->init_off -= DTLS1_HM_HEADER_LENGTH;
s->init_num += DTLS1_HM_HEADER_LENGTH;
if ( s->init_num > curr_mtu)
len = curr_mtu;
else
len = s->init_num;
}
dtls1_fix_message_header(s, frag_off,
len - DTLS1_HM_HEADER_LENGTH);
dtls1_write_message_header(s, (unsigned char *)&s->init_buf->data[s->init_off]);
OPENSSL_assert(len >= DTLS1_HM_HEADER_LENGTH);
}
ret=dtls1_write_bytes(s,type,&s->init_buf->data[s->init_off],
len);
if (ret < 0)
{
/* might need to update MTU here, but we don't know
* which previous packet caused the failure -- so can't
* really retransmit anything. continue as if everything
* is fine and wait for an alert to handle the
* retransmit
*/
if ( BIO_ctrl(SSL_get_wbio(s),
BIO_CTRL_DGRAM_MTU_EXCEEDED, 0, NULL) > 0 )
s->d1->mtu = BIO_ctrl(SSL_get_wbio(s),
BIO_CTRL_DGRAM_QUERY_MTU, 0, NULL);
else
return(-1);
}
else
{
/* bad if this assert fails, only part of the handshake
* message got sent. but why would this happen? */
OPENSSL_assert(len == (unsigned int)ret);
if (type == SSL3_RT_HANDSHAKE && ! s->d1->retransmitting)
{
/* should not be done for 'Hello Request's, but in that case
* we'll ignore the result anyway */
unsigned char *p = (unsigned char *)&s->init_buf->data[s->init_off];
const struct hm_header_st *msg_hdr = &s->d1->w_msg_hdr;
int xlen;
if (frag_off == 0 && s->version != DTLS1_BAD_VER)
{
/* reconstruct message header is if it
* is being sent in single fragment */
*p++ = msg_hdr->type;
l2n3(msg_hdr->msg_len,p);
s2n (msg_hdr->seq,p);
l2n3(0,p);
l2n3(msg_hdr->msg_len,p);
p -= DTLS1_HM_HEADER_LENGTH;
xlen = ret;
}
else
{
p += DTLS1_HM_HEADER_LENGTH;
xlen = ret - DTLS1_HM_HEADER_LENGTH;
}
ssl3_finish_mac(s, p, xlen);
}
if (ret == s->init_num)
{
if (s->msg_callback)
s->msg_callback(1, s->version, type, s->init_buf->data,
(size_t)(s->init_off + s->init_num), s,
s->msg_callback_arg);
s->init_off = 0; /* done writing this message */
s->init_num = 0;
return(1);
}
s->init_off+=ret;
s->init_num-=ret;
frag_off += (ret -= DTLS1_HM_HEADER_LENGTH);
}
}
return(0);
}
|
d2a_function_data_5492
|
static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser)
{
int i;
BIGNUM *bn = NULL;
char *itmp, *row[DB_NUMBER], **rrow;
for (i = 0; i < DB_NUMBER; i++)
row[i] = NULL;
bn = ASN1_INTEGER_to_BN(ser, NULL);
OPENSSL_assert(bn); /* FIXME: should report an error at this
* point and abort */
if (BN_is_zero(bn))
itmp = OPENSSL_strdup("00");
else
itmp = BN_bn2hex(bn);
row[DB_serial] = itmp;
BN_free(bn);
rrow = TXT_DB_get_by_index(db->db, DB_serial, row);
OPENSSL_free(itmp);
return rrow;
}
|
d2a_function_data_5493
|
static timer_event_t * event_get_timer_event(apr_time_t t,
ap_mpm_callback_fn_t *cbfn,
void *baton,
int insert,
apr_pollfd_t **remove)
{
timer_event_t *te;
/* oh yeah, and make locking smarter/fine grained. */
apr_thread_mutex_lock(g_timer_skiplist_mtx);
if (!APR_RING_EMPTY(&timer_free_ring, timer_event_t, link)) {
te = APR_RING_FIRST(&timer_free_ring);
APR_RING_REMOVE(te, link);
}
else {
te = apr_skiplist_alloc(timer_skiplist, sizeof(timer_event_t));
APR_RING_ELEM_INIT(te, link);
}
te->cbfunc = cbfn;
te->baton = baton;
te->canceled = 0;
te->when = t;
te->remove = remove;
if (insert) {
/* Okay, insert sorted by when.. */
apr_skiplist_insert(timer_skiplist, (void *)te);
}
apr_thread_mutex_unlock(g_timer_skiplist_mtx);
return te;
}
|
d2a_function_data_5494
|
static char *sh_find_my_buddy(char *ptr, int list)
{
int bit;
char *chunk = NULL;
bit = (1 << list) + (ptr - sh.arena) / (sh.arena_size >> list);
bit ^= 1;
if (TESTBIT(sh.bittable, bit) && !TESTBIT(sh.bitmalloc, bit))
chunk = sh.arena + ((bit & ((1 << list) - 1)) * (sh.arena_size >> list));
return chunk;
}
|
d2a_function_data_5495
|
static int tls1_check_sig_alg(SSL *s, X509 *x, int default_nid)
{
int sig_nid, use_pc_sigalgs = 0;
size_t i;
const SIGALG_LOOKUP *sigalg;
size_t sigalgslen;
if (default_nid == -1)
return 1;
sig_nid = X509_get_signature_nid(x);
if (default_nid)
return sig_nid == default_nid ? 1 : 0;
if (SSL_IS_TLS13(s) && s->s3.tmp.peer_cert_sigalgs != NULL) {
/*
* If we're in TLSv1.3 then we only get here if we're checking the
* chain. If the peer has specified peer_cert_sigalgs then we use them
* otherwise we default to normal sigalgs.
*/
sigalgslen = s->s3.tmp.peer_cert_sigalgslen;
use_pc_sigalgs = 1;
} else {
sigalgslen = s->shared_sigalgslen;
}
for (i = 0; i < sigalgslen; i++) {
sigalg = use_pc_sigalgs
? tls1_lookup_sigalg(s->s3.tmp.peer_cert_sigalgs[i])
: s->shared_sigalgs[i];
if (sig_nid == sigalg->sigandhash)
return 1;
}
return 0;
}
|
d2a_function_data_5496
|
int tls13_hkdf_expand(SSL *s, const EVP_MD *md, const unsigned char *secret,
const unsigned char *label, size_t labellen,
const unsigned char *data, size_t datalen,
unsigned char *out, size_t outlen)
{
const unsigned char label_prefix[] = "tls13 ";
EVP_PKEY_CTX *pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_HKDF, NULL);
int ret;
size_t hkdflabellen;
size_t hashlen;
/*
* 2 bytes for length of whole HkdfLabel + 1 byte for length of combined
* prefix and label + bytes for the label itself + bytes for the hash
*/
unsigned char hkdflabel[sizeof(uint16_t) + sizeof(uint8_t) +
+ sizeof(label_prefix) + TLS13_MAX_LABEL_LEN
+ EVP_MAX_MD_SIZE];
WPACKET pkt;
if (pctx == NULL)
return 0;
hashlen = EVP_MD_size(md);
if (!WPACKET_init_static_len(&pkt, hkdflabel, sizeof(hkdflabel), 0)
|| !WPACKET_put_bytes_u16(&pkt, outlen)
|| !WPACKET_start_sub_packet_u8(&pkt)
|| !WPACKET_memcpy(&pkt, label_prefix, sizeof(label_prefix) - 1)
|| !WPACKET_memcpy(&pkt, label, labellen)
|| !WPACKET_close(&pkt)
|| !WPACKET_sub_memcpy_u8(&pkt, data, (data == NULL) ? 0 : datalen)
|| !WPACKET_get_total_written(&pkt, &hkdflabellen)
|| !WPACKET_finish(&pkt)) {
EVP_PKEY_CTX_free(pctx);
WPACKET_cleanup(&pkt);
return 0;
}
ret = EVP_PKEY_derive_init(pctx) <= 0
|| EVP_PKEY_CTX_hkdf_mode(pctx, EVP_PKEY_HKDEF_MODE_EXPAND_ONLY)
<= 0
|| EVP_PKEY_CTX_set_hkdf_md(pctx, md) <= 0
|| EVP_PKEY_CTX_set1_hkdf_key(pctx, secret, hashlen) <= 0
|| EVP_PKEY_CTX_add1_hkdf_info(pctx, hkdflabel, hkdflabellen) <= 0
|| EVP_PKEY_derive(pctx, out, &outlen) <= 0;
EVP_PKEY_CTX_free(pctx);
return ret == 0;
}
|
d2a_function_data_5497
|
static int decode_hextile(VmncContext *c, uint8_t* dst, GetByteContext *gb,
int w, int h, int stride)
{
int i, j, k;
int bg = 0, fg = 0, rects, color, flags, xy, wh;
const int bpp = c->bpp2;
uint8_t *dst2;
int bw = 16, bh = 16;
for (j = 0; j < h; j += 16) {
dst2 = dst;
bw = 16;
if (j + 16 > h)
bh = h - j;
for (i = 0; i < w; i += 16, dst2 += 16 * bpp) {
if (bytestream2_get_bytes_left(gb) <= 0) {
av_log(c->avctx, AV_LOG_ERROR, "Premature end of data!\n");
return AVERROR_INVALIDDATA;
}
if (i + 16 > w)
bw = w - i;
flags = bytestream2_get_byte(gb);
if (flags & HT_RAW) {
if (bytestream2_get_bytes_left(gb) < bw * bh * bpp) {
av_log(c->avctx, AV_LOG_ERROR, "Premature end of data!\n");
return AVERROR_INVALIDDATA;
}
paint_raw(dst2, bw, bh, gb, bpp, c->bigendian, stride);
} else {
if (flags & HT_BKG)
bg = vmnc_get_pixel(gb, bpp, c->bigendian);
if (flags & HT_FG)
fg = vmnc_get_pixel(gb, bpp, c->bigendian);
rects = 0;
if (flags & HT_SUB)
rects = bytestream2_get_byte(gb);
color = !!(flags & HT_CLR);
paint_rect(dst2, 0, 0, bw, bh, bg, bpp, stride);
if (bytestream2_get_bytes_left(gb) < rects * (color * bpp + 2)) {
av_log(c->avctx, AV_LOG_ERROR, "Premature end of data!\n");
return AVERROR_INVALIDDATA;
}
for (k = 0; k < rects; k++) {
if (color)
fg = vmnc_get_pixel(gb, bpp, c->bigendian);
xy = bytestream2_get_byte(gb);
wh = bytestream2_get_byte(gb);
paint_rect(dst2, xy >> 4, xy & 0xF,
(wh>>4)+1, (wh & 0xF)+1, fg, bpp, stride);
}
}
}
dst += stride * 16;
}
return 0;
}
|
d2a_function_data_5498
|
static int mov_read_udta_string(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
char tmp_key[5];
char str[1024], key2[32], language[4] = {0};
const char *key = NULL;
uint16_t langcode = 0;
uint32_t data_type = 0, str_size;
int (*parse)(MOVContext*, AVIOContext*, unsigned, const char*) = NULL;
switch (atom.type) {
case MKTAG(0xa9,'n','a','m'): key = "title"; break;
case MKTAG(0xa9,'a','u','t'):
case MKTAG(0xa9,'A','R','T'): key = "artist"; break;
case MKTAG( 'a','A','R','T'): key = "album_artist"; break;
case MKTAG(0xa9,'w','r','t'): key = "composer"; break;
case MKTAG( 'c','p','r','t'):
case MKTAG(0xa9,'c','p','y'): key = "copyright"; break;
case MKTAG(0xa9,'c','m','t'):
case MKTAG(0xa9,'i','n','f'): key = "comment"; break;
case MKTAG(0xa9,'a','l','b'): key = "album"; break;
case MKTAG(0xa9,'d','a','y'): key = "date"; break;
case MKTAG(0xa9,'g','e','n'): key = "genre"; break;
case MKTAG( 'g','n','r','e'): key = "genre";
parse = mov_metadata_gnre; break;
case MKTAG(0xa9,'t','o','o'):
case MKTAG(0xa9,'s','w','r'): key = "encoder"; break;
case MKTAG(0xa9,'e','n','c'): key = "encoder"; break;
case MKTAG(0xa9,'x','y','z'): key = "location"; break;
case MKTAG( 'd','e','s','c'): key = "description";break;
case MKTAG( 'l','d','e','s'): key = "synopsis"; break;
case MKTAG( 't','v','s','h'): key = "show"; break;
case MKTAG( 't','v','e','n'): key = "episode_id";break;
case MKTAG( 't','v','n','n'): key = "network"; break;
case MKTAG( 't','r','k','n'): key = "track";
parse = mov_metadata_track_or_disc_number; break;
case MKTAG( 'd','i','s','k'): key = "disc";
parse = mov_metadata_track_or_disc_number; break;
case MKTAG( 't','v','e','s'): key = "episode_sort";
parse = mov_metadata_int8_bypass_padding; break;
case MKTAG( 't','v','s','n'): key = "season_number";
parse = mov_metadata_int8_bypass_padding; break;
case MKTAG( 's','t','i','k'): key = "media_type";
parse = mov_metadata_int8_no_padding; break;
case MKTAG( 'h','d','v','d'): key = "hd_video";
parse = mov_metadata_int8_no_padding; break;
case MKTAG( 'p','g','a','p'): key = "gapless_playback";
parse = mov_metadata_int8_no_padding; break;
case MKTAG( 'l','o','c','i'):
return mov_metadata_loci(c, pb, atom.size);
}
if (c->itunes_metadata && atom.size > 8) {
int data_size = avio_rb32(pb);
int tag = avio_rl32(pb);
if (tag == MKTAG('d','a','t','a')) {
data_type = avio_rb32(pb); // type
avio_rb32(pb); // unknown
str_size = data_size - 16;
atom.size -= 16;
if (atom.type == MKTAG('c', 'o', 'v', 'r')) {
int ret = mov_read_covr(c, pb, data_type, str_size);
if (ret < 0) {
av_log(c->fc, AV_LOG_ERROR, "Error parsing cover art.\n");
return ret;
}
}
} else return 0;
} else if (atom.size > 4 && key && !c->itunes_metadata) {
str_size = avio_rb16(pb); // string length
langcode = avio_rb16(pb);
ff_mov_lang_to_iso639(langcode, language);
atom.size -= 4;
} else
str_size = atom.size;
if (c->export_all && !key) {
snprintf(tmp_key, 5, "%.4s", (char*)&atom.type);
key = tmp_key;
}
if (!key)
return 0;
if (atom.size < 0)
return AVERROR_INVALIDDATA;
str_size = FFMIN3(sizeof(str)-1, str_size, atom.size);
if (parse)
parse(c, pb, str_size, key);
else {
if (data_type == 3 || (data_type == 0 && (langcode < 0x400 || langcode == 0x7fff))) { // MAC Encoded
mov_read_mac_string(c, pb, str_size, str, sizeof(str));
} else {
avio_read(pb, str, str_size);
str[str_size] = 0;
}
c->fc->event_flags |= AVFMT_EVENT_FLAG_METADATA_UPDATED;
av_dict_set(&c->fc->metadata, key, str, 0);
if (*language && strcmp(language, "und")) {
snprintf(key2, sizeof(key2), "%s-%s", key, language);
av_dict_set(&c->fc->metadata, key2, str, 0);
}
}
av_dlog(c->fc, "lang \"%3s\" ", language);
av_dlog(c->fc, "tag \"%s\" value \"%s\" atom \"%.4s\" %d %"PRId64"\n",
key, str, (char*)&atom.type, str_size, atom.size);
return 0;
}
|
d2a_function_data_5499
|
void ff_lag_rac_init(lag_rac *l, GetBitContext *gb, int length)
{
int i, j, left;
/* According to reference decoder "1st byte is garbage",
* however, it gets skipped by the call to align_get_bits()
*/
align_get_bits(gb);
left = get_bits_left(gb) >> 3;
l->bytestream_start =
l->bytestream = gb->buffer + get_bits_count(gb) / 8;
l->bytestream_end = l->bytestream_start + left;
l->range = 0x80;
l->low = *l->bytestream >> 1;
l->hash_shift = FFMAX(l->scale - 8, 0);
for (i = j = 0; i < 256; i++) {
unsigned r = i << l->hash_shift;
while (l->prob[j + 1] <= r)
j++;
l->range_hash[i] = j;
}
/* Add conversion factor to hash_shift so we don't have to in lag_get_rac. */
l->hash_shift += 23;
}
|
d2a_function_data_5500
|
static int amovie_request_frame(AVFilterLink *outlink)
{
MovieContext *movie = outlink->src->priv;
int ret;
if (movie->is_done)
return AVERROR_EOF;
do {
if ((ret = amovie_get_samples(outlink)) < 0)
return ret;
} while (!movie->samplesref);
avfilter_filter_samples(outlink, avfilter_ref_buffer(movie->samplesref, ~0));
avfilter_unref_buffer(movie->samplesref);
movie->samplesref = NULL;
return 0;
}
|
d2a_function_data_5501
|
static int test_kdf_hkdf(void)
{
int ret;
EVP_KDF_CTX *kctx;
unsigned char out[10];
const unsigned char expected[sizeof(out)] = {
0x2a, 0xc4, 0x36, 0x9f, 0x52, 0x59, 0x96, 0xf8, 0xde, 0x13
};
ret = TEST_ptr(kctx = EVP_KDF_CTX_new_id(EVP_KDF_HKDF))
&& TEST_int_gt(EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_MD, EVP_sha256()),
0)
&& TEST_int_gt(EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_SALT, "salt",
(size_t)4), 0)
&& TEST_int_gt(EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_SET_KEY, "secret",
(size_t)6), 0)
&& TEST_int_gt(EVP_KDF_ctrl(kctx, EVP_KDF_CTRL_ADD_HKDF_INFO,
"label", (size_t)5), 0)
&& TEST_int_gt(EVP_KDF_derive(kctx, out, sizeof(out)), 0)
&& TEST_mem_eq(out, sizeof(out), expected, sizeof(expected));
EVP_KDF_CTX_free(kctx);
return ret;
}
|
d2a_function_data_5502
|
static char *
ngx_http_referer_merge_conf(ngx_conf_t *cf, void *parent, void *child)
{
ngx_http_referer_conf_t *prev = parent;
ngx_http_referer_conf_t *conf = child;
ngx_uint_t n;
ngx_hash_init_t hash;
ngx_http_server_name_t *sn;
ngx_http_core_srv_conf_t *cscf;
if (conf->keys == NULL) {
conf->hash = prev->hash;
#if (NGX_PCRE)
ngx_conf_merge_ptr_value(conf->regex, prev->regex, NULL);
ngx_conf_merge_ptr_value(conf->server_name_regex,
prev->server_name_regex, NULL);
#endif
ngx_conf_merge_value(conf->no_referer, prev->no_referer, 0);
ngx_conf_merge_value(conf->blocked_referer, prev->blocked_referer, 0);
ngx_conf_merge_uint_value(conf->referer_hash_max_size,
prev->referer_hash_max_size, 2048);
ngx_conf_merge_uint_value(conf->referer_hash_bucket_size,
prev->referer_hash_bucket_size, 64);
return NGX_CONF_OK;
}
if (conf->server_names == 1) {
cscf = ngx_http_conf_get_module_srv_conf(cf, ngx_http_core_module);
sn = cscf->server_names.elts;
for (n = 0; n < cscf->server_names.nelts; n++) {
#if (NGX_PCRE)
if (sn[n].regex) {
if (ngx_http_add_regex_server_name(cf, conf, sn[n].regex)
!= NGX_OK)
{
return NGX_CONF_ERROR;
}
continue;
}
#endif
if (ngx_http_add_referer(cf, conf->keys, &sn[n].name, NULL)
!= NGX_OK)
{
return NGX_CONF_ERROR;
}
}
}
if ((conf->no_referer == 1 || conf->blocked_referer == 1)
&& conf->keys->keys.nelts == 0
&& conf->keys->dns_wc_head.nelts == 0
&& conf->keys->dns_wc_tail.nelts == 0)
{
ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
"the \"none\" or \"blocked\" referers are specified "
"in the \"valid_referers\" directive "
"without any valid referer");
return NGX_CONF_ERROR;
}
ngx_conf_merge_uint_value(conf->referer_hash_max_size,
prev->referer_hash_max_size, 2048);
ngx_conf_merge_uint_value(conf->referer_hash_bucket_size,
prev->referer_hash_bucket_size, 64);
conf->referer_hash_bucket_size = ngx_align(conf->referer_hash_bucket_size,
ngx_cacheline_size);
hash.key = ngx_hash_key_lc;
hash.max_size = conf->referer_hash_max_size;
hash.bucket_size = conf->referer_hash_bucket_size;
hash.name = "referer_hash";
hash.pool = cf->pool;
if (conf->keys->keys.nelts) {
hash.hash = &conf->hash.hash;
hash.temp_pool = NULL;
if (ngx_hash_init(&hash, conf->keys->keys.elts, conf->keys->keys.nelts)
!= NGX_OK)
{
return NGX_CONF_ERROR;
}
}
if (conf->keys->dns_wc_head.nelts) {
ngx_qsort(conf->keys->dns_wc_head.elts,
(size_t) conf->keys->dns_wc_head.nelts,
sizeof(ngx_hash_key_t),
ngx_http_cmp_referer_wildcards);
hash.hash = NULL;
hash.temp_pool = cf->temp_pool;
if (ngx_hash_wildcard_init(&hash, conf->keys->dns_wc_head.elts,
conf->keys->dns_wc_head.nelts)
!= NGX_OK)
{
return NGX_CONF_ERROR;
}
conf->hash.wc_head = (ngx_hash_wildcard_t *) hash.hash;
}
if (conf->keys->dns_wc_tail.nelts) {
ngx_qsort(conf->keys->dns_wc_tail.elts,
(size_t) conf->keys->dns_wc_tail.nelts,
sizeof(ngx_hash_key_t),
ngx_http_cmp_referer_wildcards);
hash.hash = NULL;
hash.temp_pool = cf->temp_pool;
if (ngx_hash_wildcard_init(&hash, conf->keys->dns_wc_tail.elts,
conf->keys->dns_wc_tail.nelts)
!= NGX_OK)
{
return NGX_CONF_ERROR;
}
conf->hash.wc_tail = (ngx_hash_wildcard_t *) hash.hash;
}
#if (NGX_PCRE)
ngx_conf_merge_ptr_value(conf->regex, prev->regex, NULL);
ngx_conf_merge_ptr_value(conf->server_name_regex, prev->server_name_regex,
NULL);
#endif
if (conf->no_referer == NGX_CONF_UNSET) {
conf->no_referer = 0;
}
if (conf->blocked_referer == NGX_CONF_UNSET) {
conf->blocked_referer = 0;
}
conf->keys = NULL;
return NGX_CONF_OK;
}
|
d2a_function_data_5503
|
static int
TIFFAppendToStrip(TIFF* tif, uint32 strip, uint8* data, tmsize_t cc)
{
static const char module[] = "TIFFAppendToStrip";
TIFFDirectory *td = &tif->tif_dir;
uint64 m;
int64 old_byte_count = -1;
if (td->td_stripoffset_p[strip] == 0 || tif->tif_curoff == 0) {
assert(td->td_nstrips > 0);
if( td->td_stripbytecount_p[strip] != 0
&& td->td_stripoffset_p[strip] != 0
&& td->td_stripbytecount_p[strip] >= (uint64) cc )
{
/*
* There is already tile data on disk, and the new tile
* data we have will fit in the same space. The only
* aspect of this that is risky is that there could be
* more data to append to this strip before we are done
* depending on how we are getting called.
*/
if (!SeekOK(tif, td->td_stripoffset_p[strip])) {
TIFFErrorExt(tif->tif_clientdata, module,
"Seek error at scanline %lu",
(unsigned long)tif->tif_row);
return (0);
}
}
else
{
/*
* Seek to end of file, and set that as our location to
* write this strip.
*/
td->td_stripoffset_p[strip] = TIFFSeekFile(tif, 0, SEEK_END);
tif->tif_flags |= TIFF_DIRTYSTRIP;
}
tif->tif_curoff = td->td_stripoffset_p[strip];
/*
* We are starting a fresh strip/tile, so set the size to zero.
*/
old_byte_count = td->td_stripbytecount_p[strip];
td->td_stripbytecount_p[strip] = 0;
}
m = tif->tif_curoff+cc;
if (!(tif->tif_flags&TIFF_BIGTIFF))
m = (uint32)m;
if ((m<tif->tif_curoff)||(m<(uint64)cc))
{
TIFFErrorExt(tif->tif_clientdata, module, "Maximum TIFF file size exceeded");
return (0);
}
if (!WriteOK(tif, data, cc)) {
TIFFErrorExt(tif->tif_clientdata, module, "Write error at scanline %lu",
(unsigned long) tif->tif_row);
return (0);
}
tif->tif_curoff = m;
td->td_stripbytecount_p[strip] += cc;
if( (int64) td->td_stripbytecount_p[strip] != old_byte_count )
tif->tif_flags |= TIFF_DIRTYSTRIP;
return (1);
}
|
d2a_function_data_5504
|
void ff_fill_rectangle(FFDrawContext *draw, FFDrawColor *color,
uint8_t *dst[], int dst_linesize[],
int dst_x, int dst_y, int w, int h)
{
int plane, x, y, wp, hp;
uint8_t *p0, *p;
for (plane = 0; plane < draw->nb_planes; plane++) {
p0 = pointer_at(draw, dst, dst_linesize, plane, dst_x, dst_y);
wp = (w >> draw->hsub[plane]);
hp = (h >> draw->vsub[plane]);
if (!hp)
return;
p = p0;
/* copy first line from color */
for (x = 0; x < wp; x++) {
memcpy(p, color->comp[plane].u8, draw->pixelstep[plane]);
p += draw->pixelstep[plane];
}
wp *= draw->pixelstep[plane];
/* copy next lines from first line */
p = p0 + dst_linesize[plane];
for (y = 1; y < hp; y++) {
memcpy(p, p0, wp);
p += dst_linesize[plane];
}
}
}
|
d2a_function_data_5505
|
static int webvtt_event_to_ass(AVBPrint *buf, const char *p)
{
int i, again, skip = 0;
while (*p) {
for (i = 0; i < FF_ARRAY_ELEMS(webvtt_tag_replace); i++) {
const char *from = webvtt_tag_replace[i].from;
const size_t len = strlen(from);
if (!strncmp(p, from, len)) {
av_bprintf(buf, "%s", webvtt_tag_replace[i].to);
p += len;
again = 1;
break;
}
}
if (!*p)
break;
if (again) {
again = 0;
skip = 0;
continue;
}
if (*p == '<')
skip = 1;
else if (*p == '>')
skip = 0;
else if (p[0] == '\n' && p[1])
av_bprintf(buf, "\\N");
else if (!skip && *p != '\r')
av_bprint_chars(buf, *p, 1);
p++;
}
return 0;
}
|
d2a_function_data_5506
|
static av_cold int qdm2_decode_init(AVCodecContext *avctx)
{
QDM2Context *s = avctx->priv_data;
uint8_t *extradata;
int extradata_size;
int tmp_val, tmp, size;
/* extradata parsing
Structure:
wave {
frma (QDM2)
QDCA
QDCP
}
32 size (including this field)
32 tag (=frma)
32 type (=QDM2 or QDMC)
32 size (including this field, in bytes)
32 tag (=QDCA) // maybe mandatory parameters
32 unknown (=1)
32 channels (=2)
32 samplerate (=44100)
32 bitrate (=96000)
32 block size (=4096)
32 frame size (=256) (for one channel)
32 packet size (=1300)
32 size (including this field, in bytes)
32 tag (=QDCP) // maybe some tuneable parameters
32 float1 (=1.0)
32 zero ?
32 float2 (=1.0)
32 float3 (=1.0)
32 unknown (27)
32 unknown (8)
32 zero ?
*/
if (!avctx->extradata || (avctx->extradata_size < 48)) {
av_log(avctx, AV_LOG_ERROR, "extradata missing or truncated\n");
return -1;
}
extradata = avctx->extradata;
extradata_size = avctx->extradata_size;
while (extradata_size > 7) {
if (!memcmp(extradata, "frmaQDM", 7))
break;
extradata++;
extradata_size--;
}
if (extradata_size < 12) {
av_log(avctx, AV_LOG_ERROR, "not enough extradata (%i)\n",
extradata_size);
return -1;
}
if (memcmp(extradata, "frmaQDM", 7)) {
av_log(avctx, AV_LOG_ERROR, "invalid headers, QDM? not found\n");
return -1;
}
if (extradata[7] == 'C') {
// s->is_qdmc = 1;
av_log(avctx, AV_LOG_ERROR, "stream is QDMC version 1, which is not supported\n");
return -1;
}
extradata += 8;
extradata_size -= 8;
size = AV_RB32(extradata);
if(size > extradata_size){
av_log(avctx, AV_LOG_ERROR, "extradata size too small, %i < %i\n",
extradata_size, size);
return -1;
}
extradata += 4;
av_log(avctx, AV_LOG_DEBUG, "size: %d\n", size);
if (AV_RB32(extradata) != MKBETAG('Q','D','C','A')) {
av_log(avctx, AV_LOG_ERROR, "invalid extradata, expecting QDCA\n");
return -1;
}
extradata += 8;
avctx->channels = s->nb_channels = s->channels = AV_RB32(extradata);
extradata += 4;
if (s->channels > MPA_MAX_CHANNELS)
return AVERROR_INVALIDDATA;
avctx->sample_rate = AV_RB32(extradata);
extradata += 4;
avctx->bit_rate = AV_RB32(extradata);
extradata += 4;
s->group_size = AV_RB32(extradata);
extradata += 4;
s->fft_size = AV_RB32(extradata);
extradata += 4;
s->checksum_size = AV_RB32(extradata);
if (s->checksum_size >= 1U << 28) {
av_log(avctx, AV_LOG_ERROR, "data block size too large (%u)\n", s->checksum_size);
return AVERROR_INVALIDDATA;
}
s->fft_order = av_log2(s->fft_size) + 1;
s->fft_frame_size = 2 * s->fft_size; // complex has two floats
// something like max decodable tones
s->group_order = av_log2(s->group_size) + 1;
s->frame_size = s->group_size / 16; // 16 iterations per super block
if (s->frame_size > QDM2_MAX_FRAME_SIZE)
return AVERROR_INVALIDDATA;
s->sub_sampling = s->fft_order - 7;
s->frequency_range = 255 / (1 << (2 - s->sub_sampling));
switch ((s->sub_sampling * 2 + s->channels - 1)) {
case 0: tmp = 40; break;
case 1: tmp = 48; break;
case 2: tmp = 56; break;
case 3: tmp = 72; break;
case 4: tmp = 80; break;
case 5: tmp = 100;break;
default: tmp=s->sub_sampling; break;
}
tmp_val = 0;
if ((tmp * 1000) < avctx->bit_rate) tmp_val = 1;
if ((tmp * 1440) < avctx->bit_rate) tmp_val = 2;
if ((tmp * 1760) < avctx->bit_rate) tmp_val = 3;
if ((tmp * 2240) < avctx->bit_rate) tmp_val = 4;
s->cm_table_select = tmp_val;
if (s->sub_sampling == 0)
tmp = 7999;
else
tmp = ((-(s->sub_sampling -1)) & 8000) + 20000;
/*
0: 7999 -> 0
1: 20000 -> 2
2: 28000 -> 2
*/
if (tmp < 8000)
s->coeff_per_sb_select = 0;
else if (tmp <= 16000)
s->coeff_per_sb_select = 1;
else
s->coeff_per_sb_select = 2;
// Fail on unknown fft order
if ((s->fft_order < 7) || (s->fft_order > 9)) {
av_log(avctx, AV_LOG_ERROR, "Unknown FFT order (%d), contact the developers!\n", s->fft_order);
return -1;
}
ff_rdft_init(&s->rdft_ctx, s->fft_order, IDFT_C2R);
ff_mpadsp_init(&s->mpadsp);
qdm2_init(s);
avctx->sample_fmt = AV_SAMPLE_FMT_S16;
avcodec_get_frame_defaults(&s->frame);
avctx->coded_frame = &s->frame;
// dump_context(s);
return 0;
}
|
d2a_function_data_5507
|
static inline int wv_unpack_mono(WavpackFrameContext *s, GetBitContext *gb,
void *dst, const int type)
{
int i, j, count = 0;
int last, t;
int A, S, T;
int pos = s->pos;
uint32_t crc = s->sc.crc;
uint32_t crc_extra_bits = s->extra_sc.crc;
int16_t *dst16 = dst;
int32_t *dst32 = dst;
float *dstfl = dst;
s->one = s->zero = s->zeroes = 0;
do {
T = wv_get_value(s, gb, 0, &last);
S = 0;
if (last)
break;
for (i = 0; i < s->terms; i++) {
t = s->decorr[i].value;
if (t > 8) {
if (t & 1)
A = 2U * s->decorr[i].samplesA[0] - s->decorr[i].samplesA[1];
else
A = (int)(3U * s->decorr[i].samplesA[0] - s->decorr[i].samplesA[1]) >> 1;
s->decorr[i].samplesA[1] = s->decorr[i].samplesA[0];
j = 0;
} else {
A = s->decorr[i].samplesA[pos];
j = (pos + t) & 7;
}
if (type != AV_SAMPLE_FMT_S16P)
S = T + ((s->decorr[i].weightA * (int64_t)A + 512) >> 10);
else
S = T + ((s->decorr[i].weightA * A + 512) >> 10);
if (A && T)
s->decorr[i].weightA -= ((((T ^ A) >> 30) & 2) - 1) * s->decorr[i].delta;
s->decorr[i].samplesA[j] = T = S;
}
pos = (pos + 1) & 7;
crc = crc * 3 + S;
if (type == AV_SAMPLE_FMT_FLTP) {
*dstfl++ = wv_get_value_float(s, &crc_extra_bits, S);
} else if (type == AV_SAMPLE_FMT_S32P) {
*dst32++ = wv_get_value_integer(s, &crc_extra_bits, S);
} else {
*dst16++ = wv_get_value_integer(s, &crc_extra_bits, S);
}
count++;
} while (!last && count < s->samples);
wv_reset_saved_context(s);
if (last && count < s->samples) {
int size = av_get_bytes_per_sample(type);
memset((uint8_t*)dst + count*size, 0, (s->samples-count)*size);
}
if (s->avctx->err_recognition & AV_EF_CRCCHECK) {
int ret = wv_check_crc(s, crc, crc_extra_bits);
if (ret < 0 && s->avctx->err_recognition & AV_EF_EXPLODE)
return ret;
}
return 0;
}
|
d2a_function_data_5508
|
static void crl_akid_check(X509_STORE_CTX *ctx, X509_CRL *crl,
X509 **pissuer, int *pcrl_score)
{
X509 *crl_issuer = NULL;
X509_NAME *cnm = X509_CRL_get_issuer(crl);
int cidx = ctx->error_depth;
int i;
if (cidx != sk_X509_num(ctx->chain) - 1)
cidx++;
crl_issuer = sk_X509_value(ctx->chain, cidx);
if (X509_check_akid(crl_issuer, crl->akid) == X509_V_OK)
{
if (*pcrl_score & CRL_SCORE_ISSUER_NAME)
{
*pcrl_score |= CRL_SCORE_AKID|CRL_SCORE_ISSUER_CERT;
*pissuer = crl_issuer;
return;
}
}
for (cidx++; cidx < sk_X509_num(ctx->chain); cidx++)
{
crl_issuer = sk_X509_value(ctx->chain, cidx);
if (X509_NAME_cmp(X509_get_subject_name(crl_issuer), cnm))
continue;
if (X509_check_akid(crl_issuer, crl->akid) == X509_V_OK)
{
*pcrl_score |= CRL_SCORE_AKID|CRL_SCORE_SAME_PATH;
*pissuer = crl_issuer;
return;
}
}
/* Anything else needs extended CRL support */
if (!(ctx->param->flags & X509_V_FLAG_EXTENDED_CRL_SUPPORT))
return;
/* Otherwise the CRL issuer is not on the path. Look for it in the
* set of untrusted certificates.
*/
for (i = 0; i < sk_X509_num(ctx->untrusted); i++)
{
crl_issuer = sk_X509_value(ctx->untrusted, i);
if (X509_NAME_cmp(X509_get_subject_name(crl_issuer), cnm))
continue;
if (X509_check_akid(crl_issuer, crl->akid) == X509_V_OK)
{
*pissuer = crl_issuer;
*pcrl_score |= CRL_SCORE_AKID;
return;
}
}
}
|
d2a_function_data_5509
|
static int codec_reinit(AVCodecContext *avctx, int width, int height, int quality) {
NuvContext *c = avctx->priv_data;
width = (width + 1) & ~1;
height = (height + 1) & ~1;
if (quality >= 0)
get_quant_quality(c, quality);
if (width != c->width || height != c->height) {
if (av_image_check_size(height, width, 0, avctx) < 0)
return 0;
avctx->width = c->width = width;
avctx->height = c->height = height;
c->decomp_size = c->height * c->width * 3 / 2;
c->decomp_buf = av_realloc(c->decomp_buf, c->decomp_size + AV_LZO_OUTPUT_PADDING);
if (!c->decomp_buf) {
av_log(avctx, AV_LOG_ERROR, "Can't allocate decompression buffer.\n");
return 0;
}
rtjpeg_decode_init(&c->rtj, &c->dsp, c->width, c->height, c->lq, c->cq);
} else if (quality != c->quality)
rtjpeg_decode_init(&c->rtj, &c->dsp, c->width, c->height, c->lq, c->cq);
return 1;
}
|
d2a_function_data_5510
|
static void ipvideo_decode_opcodes(IpvideoContext *s, AVFrame *frame)
{
int x, y;
unsigned char opcode;
int ret;
GetBitContext gb;
bytestream2_skip(&s->stream_ptr, 14); /* data starts 14 bytes in */
if (!s->is_16bpp) {
/* this is PAL8, so make the palette available */
memcpy(frame->data[1], s->pal, AVPALETTE_SIZE);
s->stride = frame->linesize[0];
} else {
s->stride = frame->linesize[0] >> 1;
s->mv_ptr = s->stream_ptr;
bytestream2_skip(&s->mv_ptr, bytestream2_get_le16(&s->stream_ptr));
}
s->line_inc = s->stride - 8;
s->upper_motion_limit_offset = (s->avctx->height - 8) * frame->linesize[0]
+ (s->avctx->width - 8) * (1 + s->is_16bpp);
init_get_bits(&gb, s->decoding_map, s->decoding_map_size * 8);
for (y = 0; y < s->avctx->height; y += 8) {
for (x = 0; x < s->avctx->width; x += 8) {
if (get_bits_left(&gb) < 4)
return;
opcode = get_bits(&gb, 4);
ff_tlog(s->avctx,
" block @ (%3d, %3d): encoding 0x%X, data ptr offset %d\n",
x, y, opcode, bytestream2_tell(&s->stream_ptr));
if (!s->is_16bpp) {
s->pixel_ptr = frame->data[0] + x
+ y*frame->linesize[0];
ret = ipvideo_decode_block[opcode](s, frame);
} else {
s->pixel_ptr = frame->data[0] + x*2
+ y*frame->linesize[0];
ret = ipvideo_decode_block16[opcode](s, frame);
}
if (ret != 0) {
av_log(s->avctx, AV_LOG_ERROR, "decode problem on frame %d, @ block (%d, %d)\n",
s->avctx->frame_number, x, y);
return;
}
}
}
if (bytestream2_get_bytes_left(&s->stream_ptr) > 1) {
av_log(s->avctx, AV_LOG_DEBUG,
"decode finished with %d bytes left over\n",
bytestream2_get_bytes_left(&s->stream_ptr));
}
}
|
d2a_function_data_5511
|
static void
horDiff32(TIFF* tif, uint8* cp0, tmsize_t cc)
{
TIFFPredictorState* sp = PredictorState(tif);
tmsize_t stride = sp->stride;
int32 *wp = (int32*) cp0;
tmsize_t wc = cc/4;
assert((cc%(4*stride))==0);
if (wc > stride) {
wc -= stride;
wp += wc - 1;
do {
REPEAT4(stride, wp[stride] -= wp[0]; wp--)
wc -= stride;
} while (wc > 0);
}
}
|
d2a_function_data_5512
|
int EC_GROUP_check(const EC_GROUP *group, BN_CTX *ctx)
{
int ret = 0;
const BIGNUM *order;
BN_CTX *new_ctx = NULL;
EC_POINT *point = NULL;
/* Custom curves assumed to be correct */
if ((group->meth->flags & EC_FLAGS_CUSTOM_CURVE) != 0)
return 1;
if (ctx == NULL) {
ctx = new_ctx = BN_CTX_new();
if (ctx == NULL) {
ECerr(EC_F_EC_GROUP_CHECK, ERR_R_MALLOC_FAILURE);
goto err;
}
}
/* check the discriminant */
if (!EC_GROUP_check_discriminant(group, ctx)) {
ECerr(EC_F_EC_GROUP_CHECK, EC_R_DISCRIMINANT_IS_ZERO);
goto err;
}
/* check the generator */
if (group->generator == NULL) {
ECerr(EC_F_EC_GROUP_CHECK, EC_R_UNDEFINED_GENERATOR);
goto err;
}
if (EC_POINT_is_on_curve(group, group->generator, ctx) <= 0) {
ECerr(EC_F_EC_GROUP_CHECK, EC_R_POINT_IS_NOT_ON_CURVE);
goto err;
}
/* check the order of the generator */
if ((point = EC_POINT_new(group)) == NULL)
goto err;
order = EC_GROUP_get0_order(group);
if (order == NULL)
goto err;
if (BN_is_zero(order)) {
ECerr(EC_F_EC_GROUP_CHECK, EC_R_UNDEFINED_ORDER);
goto err;
}
if (!EC_POINT_mul(group, point, order, NULL, NULL, ctx))
goto err;
if (!EC_POINT_is_at_infinity(group, point)) {
ECerr(EC_F_EC_GROUP_CHECK, EC_R_INVALID_GROUP_ORDER);
goto err;
}
ret = 1;
err:
BN_CTX_free(new_ctx);
EC_POINT_free(point);
return ret;
}
|
d2a_function_data_5513
|
static void FUNCC(pred4x4_top_dc)(uint8_t *_src, const uint8_t *topright, int _stride){
pixel *src = (pixel*)_src;
int stride = _stride/sizeof(pixel);
const int dc= ( src[-stride] + src[1-stride] + src[2-stride] + src[3-stride] + 2) >>2;
const pixel4 a = PIXEL_SPLAT_X4(dc);
AV_WN4PA(src+0*stride, a);
AV_WN4PA(src+1*stride, a);
AV_WN4PA(src+2*stride, a);
AV_WN4PA(src+3*stride, a);
}
|
d2a_function_data_5514
|
static av_always_inline
int decode_luma_residual(const H264Context *h, H264SliceContext *sl,
GetBitContext *gb, const uint8_t *scan,
const uint8_t *scan8x8, int pixel_shift,
int mb_type, int cbp, int p)
{
int i4x4, i8x8;
int qscale = p == 0 ? sl->qscale : sl->chroma_qp[p - 1];
if(IS_INTRA16x16(mb_type)){
AV_ZERO128(sl->mb_luma_dc[p]+0);
AV_ZERO128(sl->mb_luma_dc[p]+8);
AV_ZERO128(sl->mb_luma_dc[p]+16);
AV_ZERO128(sl->mb_luma_dc[p]+24);
if (decode_residual(h, sl, gb, sl->mb_luma_dc[p], LUMA_DC_BLOCK_INDEX + p, scan, NULL, 16) < 0) {
return -1; //FIXME continue if partitioned and other return -1 too
}
assert((cbp&15) == 0 || (cbp&15) == 15);
if(cbp&15){
for(i8x8=0; i8x8<4; i8x8++){
for(i4x4=0; i4x4<4; i4x4++){
const int index= i4x4 + 4*i8x8 + p*16;
if( decode_residual(h, sl, gb, sl->mb + (16*index << pixel_shift),
index, scan + 1, h->ps.pps->dequant4_coeff[p][qscale], 15) < 0 ){
return -1;
}
}
}
return 0xf;
}else{
fill_rectangle(&sl->non_zero_count_cache[scan8[p*16]], 4, 4, 8, 0, 1);
return 0;
}
}else{
int cqm = (IS_INTRA( mb_type ) ? 0:3)+p;
/* For CAVLC 4:4:4, we need to keep track of the luma 8x8 CBP for deblocking nnz purposes. */
int new_cbp = 0;
for(i8x8=0; i8x8<4; i8x8++){
if(cbp & (1<<i8x8)){
if(IS_8x8DCT(mb_type)){
int16_t *buf = &sl->mb[64*i8x8+256*p << pixel_shift];
uint8_t *nnz;
for(i4x4=0; i4x4<4; i4x4++){
const int index= i4x4 + 4*i8x8 + p*16;
if( decode_residual(h, sl, gb, buf, index, scan8x8+16*i4x4,
h->ps.pps->dequant8_coeff[cqm][qscale], 16) < 0 )
return -1;
}
nnz = &sl->non_zero_count_cache[scan8[4 * i8x8 + p * 16]];
nnz[0] += nnz[1] + nnz[8] + nnz[9];
new_cbp |= !!nnz[0] << i8x8;
}else{
for(i4x4=0; i4x4<4; i4x4++){
const int index= i4x4 + 4*i8x8 + p*16;
if( decode_residual(h, sl, gb, sl->mb + (16*index << pixel_shift), index,
scan, h->ps.pps->dequant4_coeff[cqm][qscale], 16) < 0 ){
return -1;
}
new_cbp |= sl->non_zero_count_cache[scan8[index]] << i8x8;
}
}
}else{
uint8_t * const nnz = &sl->non_zero_count_cache[scan8[4 * i8x8 + p * 16]];
nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0;
}
}
return new_cbp;
}
}
|
d2a_function_data_5515
|
static void mp3_update_xing(AVFormatContext *s)
{
MP3Context *mp3 = s->priv_data;
AVReplayGain *rg;
uint16_t tag_crc;
uint8_t *toc;
int i, rg_size;
/* replace "Xing" identification string with "Info" for CBR files. */
if (!mp3->has_variable_bitrate)
AV_WL32(mp3->xing_frame + mp3->xing_offset, MKTAG('I', 'n', 'f', 'o'));
AV_WB32(mp3->xing_frame + mp3->xing_offset + 8, mp3->frames);
AV_WB32(mp3->xing_frame + mp3->xing_offset + 12, mp3->size);
toc = mp3->xing_frame + mp3->xing_offset + 16;
toc[0] = 0; // first toc entry has to be zero.
for (i = 1; i < XING_TOC_SIZE; ++i) {
int j = i * mp3->pos / XING_TOC_SIZE;
int seek_point = 256LL * mp3->bag[j] / mp3->size;
toc[i] = FFMIN(seek_point, 255);
}
/* write replaygain */
rg = (AVReplayGain*)av_stream_get_side_data(s->streams[0], AV_PKT_DATA_REPLAYGAIN,
&rg_size);
if (rg && rg_size >= sizeof(*rg)) {
uint16_t val;
AV_WB32(mp3->xing_frame + mp3->xing_offset + 131,
av_rescale(rg->track_peak, 1 << 23, 100000));
if (rg->track_gain != INT32_MIN) {
val = FFABS(rg->track_gain / 10000) & ((1 << 9) - 1);
val |= (rg->track_gain < 0) << 9;
val |= 1 << 13;
AV_WB16(mp3->xing_frame + mp3->xing_offset + 135, val);
}
if (rg->album_gain != INT32_MIN) {
val = FFABS(rg->album_gain / 10000) & ((1 << 9) - 1);
val |= (rg->album_gain < 0) << 9;
val |= 1 << 14;
AV_WB16(mp3->xing_frame + mp3->xing_offset + 137, val);
}
}
AV_WB32(mp3->xing_frame + mp3->xing_offset + XING_SIZE - 8, mp3->audio_size);
AV_WB16(mp3->xing_frame + mp3->xing_offset + XING_SIZE - 4, mp3->audio_crc);
tag_crc = av_crc(av_crc_get_table(AV_CRC_16_ANSI_LE), 0, mp3->xing_frame, 190);
AV_WB16(mp3->xing_frame + mp3->xing_offset + XING_SIZE - 2, tag_crc);
avio_seek(s->pb, mp3->xing_frame_offset, SEEK_SET);
avio_write(s->pb, mp3->xing_frame, mp3->xing_frame_size);
avio_seek(s->pb, 0, SEEK_END);
}
|
d2a_function_data_5516
|
ngx_int_t
ngx_hash_add_key(ngx_hash_keys_arrays_t *ha, ngx_str_t *key, void *value,
ngx_uint_t flags)
{
size_t len;
u_char *p;
ngx_str_t *name;
ngx_uint_t i, k, n, skip, last;
ngx_array_t *keys, *hwc;
ngx_hash_key_t *hk;
last = key->len;
if (flags & NGX_HASH_WILDCARD_KEY) {
/*
* supported wildcards:
* "*.example.com", ".example.com", and "www.example.*"
*/
n = 0;
for (i = 0; i < key->len; i++) {
if (key->data[i] == '*') {
if (++n > 1) {
return NGX_DECLINED;
}
}
if (key->data[i] == '.' && key->data[i + 1] == '.') {
return NGX_DECLINED;
}
}
if (key->len > 1 && key->data[0] == '.') {
skip = 1;
goto wildcard;
}
if (key->len > 2) {
if (key->data[0] == '*' && key->data[1] == '.') {
skip = 2;
goto wildcard;
}
if (key->data[i - 2] == '.' && key->data[i - 1] == '*') {
skip = 0;
last -= 2;
goto wildcard;
}
}
if (n) {
return NGX_DECLINED;
}
}
/* exact hash */
k = 0;
for (i = 0; i < last; i++) {
if (!(flags & NGX_HASH_READONLY_KEY)) {
key->data[i] = ngx_tolower(key->data[i]);
}
k = ngx_hash(k, key->data[i]);
}
k %= ha->hsize;
/* check conflicts in exact hash */
name = ha->keys_hash[k].elts;
if (name) {
for (i = 0; i < ha->keys_hash[k].nelts; i++) {
if (last != name[i].len) {
continue;
}
if (ngx_strncmp(key->data, name[i].data, last) == 0) {
return NGX_BUSY;
}
}
} else {
if (ngx_array_init(&ha->keys_hash[k], ha->temp_pool, 4,
sizeof(ngx_str_t))
!= NGX_OK)
{
return NGX_ERROR;
}
}
name = ngx_array_push(&ha->keys_hash[k]);
if (name == NULL) {
return NGX_ERROR;
}
*name = *key;
hk = ngx_array_push(&ha->keys);
if (hk == NULL) {
return NGX_ERROR;
}
hk->key = *key;
hk->key_hash = ngx_hash_key(key->data, last);
hk->value = value;
return NGX_OK;
wildcard:
/* wildcard hash */
k = ngx_hash_strlow(&key->data[skip], &key->data[skip], last - skip);
k %= ha->hsize;
if (skip == 1) {
/* check conflicts in exact hash for ".example.com" */
name = ha->keys_hash[k].elts;
if (name) {
len = last - skip;
for (i = 0; i < ha->keys_hash[k].nelts; i++) {
if (len != name[i].len) {
continue;
}
if (ngx_strncmp(&key->data[1], name[i].data, len) == 0) {
return NGX_BUSY;
}
}
} else {
if (ngx_array_init(&ha->keys_hash[k], ha->temp_pool, 4,
sizeof(ngx_str_t))
!= NGX_OK)
{
return NGX_ERROR;
}
}
name = ngx_array_push(&ha->keys_hash[k]);
if (name == NULL) {
return NGX_ERROR;
}
name->len = last - 1;
name->data = ngx_pnalloc(ha->temp_pool, name->len);
if (name->data == NULL) {
return NGX_ERROR;
}
ngx_memcpy(name->data, &key->data[1], name->len);
}
if (skip) {
/*
* convert "*.example.com" to "com.example.\0"
* and ".example.com" to "com.example\0"
*/
p = ngx_pnalloc(ha->temp_pool, last);
if (p == NULL) {
return NGX_ERROR;
}
len = 0;
n = 0;
for (i = last - 1; i; i--) {
if (key->data[i] == '.') {
ngx_memcpy(&p[n], &key->data[i + 1], len);
n += len;
p[n++] = '.';
len = 0;
continue;
}
len++;
}
if (len) {
ngx_memcpy(&p[n], &key->data[1], len);
n += len;
}
p[n] = '\0';
hwc = &ha->dns_wc_head;
keys = &ha->dns_wc_head_hash[k];
} else {
/* convert "www.example.*" to "www.example\0" */
last++;
p = ngx_pnalloc(ha->temp_pool, last);
if (p == NULL) {
return NGX_ERROR;
}
ngx_cpystrn(p, key->data, last);
hwc = &ha->dns_wc_tail;
keys = &ha->dns_wc_tail_hash[k];
}
/* check conflicts in wildcard hash */
name = keys->elts;
if (name) {
len = last - skip;
for (i = 0; i < keys->nelts; i++) {
if (len != name[i].len) {
continue;
}
if (ngx_strncmp(key->data + skip, name[i].data, len) == 0) {
return NGX_BUSY;
}
}
} else {
if (ngx_array_init(keys, ha->temp_pool, 4, sizeof(ngx_str_t)) != NGX_OK)
{
return NGX_ERROR;
}
}
name = ngx_array_push(keys);
if (name == NULL) {
return NGX_ERROR;
}
name->len = last - skip;
name->data = ngx_pnalloc(ha->temp_pool, name->len);
if (name->data == NULL) {
return NGX_ERROR;
}
ngx_memcpy(name->data, key->data + skip, name->len);
/* add to wildcard hash */
hk = ngx_array_push(hwc);
if (hk == NULL) {
return NGX_ERROR;
}
hk->key.len = last - 1;
hk->key.data = p;
hk->key_hash = 0;
hk->value = value;
return NGX_OK;
}
|
d2a_function_data_5517
|
void *OPENSSL_sk_delete(OPENSSL_STACK *st, int loc)
{
const void *ret;
if (st == NULL || loc < 0 || loc >= st->num)
return NULL;
ret = st->data[loc];
if (loc != st->num - 1)
memmove(&st->data[loc], &st->data[loc + 1],
sizeof(st->data[0]) * (st->num - loc - 1));
st->num--;
return (void *)ret;
}
|
d2a_function_data_5518
|
static inline void qpel_motion(MpegEncContext *s,
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
int field_based, int bottom_field, int field_select,
uint8_t **ref_picture, op_pixels_func (*pix_op)[4],
qpel_mc_func (*qpix_op)[16],
int motion_x, int motion_y, int h)
{
uint8_t *ptr_y, *ptr_cb, *ptr_cr;
int dxy, uvdxy, mx, my, src_x, src_y, uvsrc_x, uvsrc_y, v_edge_pos, linesize, uvlinesize;
dxy = ((motion_y & 3) << 2) | (motion_x & 3);
src_x = s->mb_x * 16 + (motion_x >> 2);
src_y = s->mb_y * (16 >> field_based) + (motion_y >> 2);
v_edge_pos = s->v_edge_pos >> field_based;
linesize = s->linesize << field_based;
uvlinesize = s->uvlinesize << field_based;
if(field_based){
mx= motion_x/2;
my= motion_y>>1;
}else if(s->workaround_bugs&FF_BUG_QPEL_CHROMA2){
static const int rtab[8]= {0,0,1,1,0,0,0,1};
mx= (motion_x>>1) + rtab[motion_x&7];
my= (motion_y>>1) + rtab[motion_y&7];
}else if(s->workaround_bugs&FF_BUG_QPEL_CHROMA){
mx= (motion_x>>1)|(motion_x&1);
my= (motion_y>>1)|(motion_y&1);
}else{
mx= motion_x/2;
my= motion_y/2;
}
mx= (mx>>1)|(mx&1);
my= (my>>1)|(my&1);
uvdxy= (mx&1) | ((my&1)<<1);
mx>>=1;
my>>=1;
uvsrc_x = s->mb_x * 8 + mx;
uvsrc_y = s->mb_y * (8 >> field_based) + my;
ptr_y = ref_picture[0] + src_y * linesize + src_x;
ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x;
ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x;
if( (unsigned)src_x > FFMAX(s->h_edge_pos - (motion_x&3) - 16, 0)
|| (unsigned)src_y > FFMAX( v_edge_pos - (motion_y&3) - h , 0)){
s->dsp.emulated_edge_mc(s->edge_emu_buffer, ptr_y, s->linesize,
17, 17+field_based, src_x, src_y<<field_based,
s->h_edge_pos, s->v_edge_pos);
ptr_y= s->edge_emu_buffer;
if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
uint8_t *uvbuf= s->edge_emu_buffer + 18*s->linesize;
s->dsp.emulated_edge_mc(uvbuf, ptr_cb, s->uvlinesize,
9, 9 + field_based,
uvsrc_x, uvsrc_y<<field_based,
s->h_edge_pos>>1, s->v_edge_pos>>1);
s->dsp.emulated_edge_mc(uvbuf + 16, ptr_cr, s->uvlinesize,
9, 9 + field_based,
uvsrc_x, uvsrc_y<<field_based,
s->h_edge_pos>>1, s->v_edge_pos>>1);
ptr_cb= uvbuf;
ptr_cr= uvbuf + 16;
}
}
if(!field_based)
qpix_op[0][dxy](dest_y, ptr_y, linesize);
else{
if(bottom_field){
dest_y += s->linesize;
dest_cb+= s->uvlinesize;
dest_cr+= s->uvlinesize;
}
if(field_select){
ptr_y += s->linesize;
ptr_cb += s->uvlinesize;
ptr_cr += s->uvlinesize;
}
//damn interlaced mode
//FIXME boundary mirroring is not exactly correct here
qpix_op[1][dxy](dest_y , ptr_y , linesize);
qpix_op[1][dxy](dest_y+8, ptr_y+8, linesize);
}
if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
pix_op[1][uvdxy](dest_cr, ptr_cr, uvlinesize, h >> 1);
pix_op[1][uvdxy](dest_cb, ptr_cb, uvlinesize, h >> 1);
}
}
|
d2a_function_data_5519
|
static int aes_ecb(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, unsigned int inl)
{
RIJNDAEL_KEY *k=ctx->cipher_data;
while(inl > 0)
{
if(ctx->encrypt)
rijndaelEncrypt(k->rd_key,k->rounds, in, out);
else
rijndaelDecrypt(k->rd_key,k->rounds, in, out);
inl-=16;
in+=16;
out+=16;
}
assert(inl == 0);
return 1;
}
|
d2a_function_data_5520
|
void *av_malloc(unsigned int size)
{
void *ptr = NULL;
#if CONFIG_MEMALIGN_HACK
long diff;
#endif
/* let's disallow possible ambiguous cases */
if(size > (INT_MAX-16) )
return NULL;
#if CONFIG_MEMALIGN_HACK
ptr = malloc(size+16);
if(!ptr)
return ptr;
diff= ((-(long)ptr - 1)&15) + 1;
ptr = (char*)ptr + diff;
((char*)ptr)[-1]= diff;
#elif HAVE_POSIX_MEMALIGN
if (posix_memalign(&ptr,16,size))
ptr = NULL;
#elif HAVE_MEMALIGN
ptr = memalign(16,size);
/* Why 64?
Indeed, we should align it:
on 4 for 386
on 16 for 486
on 32 for 586, PPro - K6-III
on 64 for K7 (maybe for P3 too).
Because L1 and L2 caches are aligned on those values.
But I don't want to code such logic here!
*/
/* Why 16?
Because some CPUs need alignment, for example SSE2 on P4, & most RISC CPUs
it will just trigger an exception and the unaligned load will be done in the
exception handler or it will just segfault (SSE2 on P4).
Why not larger? Because I did not see a difference in benchmarks ...
*/
/* benchmarks with P3
memalign(64)+1 3071,3051,3032
memalign(64)+2 3051,3032,3041
memalign(64)+4 2911,2896,2915
memalign(64)+8 2545,2554,2550
memalign(64)+16 2543,2572,2563
memalign(64)+32 2546,2545,2571
memalign(64)+64 2570,2533,2558
BTW, malloc seems to do 8-byte alignment by default here.
*/
#else
ptr = malloc(size);
#endif
return ptr;
}
|
d2a_function_data_5521
|
void ssl_set_client_disabled(SSL *s)
{
CERT *c = s->cert;
const unsigned char *sigalgs;
size_t i, sigalgslen;
int have_rsa = 0, have_dsa = 0, have_ecdsa = 0;
c->mask_a = 0;
c->mask_k = 0;
/* Don't allow TLS 1.2 only ciphers if we don't suppport them */
if (!SSL_CLIENT_USE_TLS1_2_CIPHERS(s))
c->mask_ssl = SSL_TLSV1_2;
else
c->mask_ssl = 0;
/* Now go through all signature algorithms seeing if we support
* any for RSA, DSA, ECDSA. Do this for all versions not just
* TLS 1.2.
*/
sigalgslen = tls12_get_psigalgs(s, &sigalgs);
for (i = 0; i < sigalgslen; i += 2, sigalgs += 2)
{
switch(sigalgs[1])
{
#ifndef OPENSSL_NO_RSA
case TLSEXT_signature_rsa:
have_rsa = 1;
break;
#endif
#ifndef OPENSSL_NO_DSA
case TLSEXT_signature_dsa:
have_dsa = 1;
break;
#endif
#ifndef OPENSSL_NO_ECDSA
case TLSEXT_signature_ecdsa:
have_ecdsa = 1;
break;
#endif
}
}
/* Disable auth and static DH if we don't include any appropriate
* signature algorithms.
*/
if (!have_rsa)
{
c->mask_a |= SSL_aRSA;
c->mask_k |= SSL_kDHr|SSL_kECDHr;
}
if (!have_dsa)
{
c->mask_a |= SSL_aDSS;
c->mask_k |= SSL_kDHd;
}
if (!have_ecdsa)
{
c->mask_a |= SSL_aECDSA;
c->mask_k |= SSL_kECDHe;
}
#ifndef OPENSSL_NO_KRB5
if (!kssl_tgt_is_available(s->kssl_ctx))
{
c->mask_a |= SSL_aKRB5;
c->mask_k |= SSL_kKRB5;
}
#endif
#ifndef OPENSSL_NO_PSK
/* with PSK there must be client callback set */
if (!s->psk_client_callback)
{
c->mask_a |= SSL_aPSK;
c->mask_k |= SSL_kPSK;
}
#endif /* OPENSSL_NO_PSK */
c->valid = 1;
}
|
d2a_function_data_5522
|
static void fill_buffer(AVIOContext *s)
{
uint8_t *dst= !s->max_packet_size && s->buf_end - s->buffer < s->buffer_size ? s->buf_end : s->buffer;
int len= s->buffer_size - (dst - s->buffer);
int max_buffer_size = s->max_packet_size ? s->max_packet_size : IO_BUFFER_SIZE;
/* no need to do anything if EOF already reached */
if (s->eof_reached)
return;
if(s->update_checksum && dst == s->buffer){
if(s->buf_end > s->checksum_ptr)
s->checksum= s->update_checksum(s->checksum, s->checksum_ptr, s->buf_end - s->checksum_ptr);
s->checksum_ptr= s->buffer;
}
/* make buffer smaller in case it ended up large after probing */
if (s->buffer_size > max_buffer_size) {
ffio_set_buf_size(s, max_buffer_size);
s->checksum_ptr = dst = s->buffer;
len = s->buffer_size;
}
if(s->read_packet)
len = s->read_packet(s->opaque, dst, len);
else
len = 0;
if (len <= 0) {
/* do not modify buffer if EOF reached so that a seek back can
be done without rereading data */
s->eof_reached = 1;
if(len<0)
s->error= len;
} else {
s->pos += len;
s->buf_ptr = dst;
s->buf_end = dst + len;
}
}
|
d2a_function_data_5523
|
static void vp8_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata,
int jobnr, int threadnr, int is_vp7)
{
VP8Context *s = avctx->priv_data;
VP8ThreadData *prev_td, *next_td, *td = &s->thread_data[threadnr];
int mb_y = td->thread_mb_pos >> 16;
int mb_x, mb_xy = mb_y * s->mb_width;
int num_jobs = s->num_jobs;
VP8Frame *curframe = s->curframe, *prev_frame = s->prev_frame;
VP56RangeCoder *c = &s->coeff_partition[mb_y & (s->num_coeff_partitions - 1)];
VP8Macroblock *mb;
uint8_t *dst[3] = {
curframe->tf.f->data[0] + 16 * mb_y * s->linesize,
curframe->tf.f->data[1] + 8 * mb_y * s->uvlinesize,
curframe->tf.f->data[2] + 8 * mb_y * s->uvlinesize
};
if (mb_y == 0)
prev_td = td;
else
prev_td = &s->thread_data[(jobnr + num_jobs - 1) % num_jobs];
if (mb_y == s->mb_height - 1)
next_td = td;
else
next_td = &s->thread_data[(jobnr + 1) % num_jobs];
if (s->mb_layout == 1)
mb = s->macroblocks_base + ((s->mb_width + 1) * (mb_y + 1) + 1);
else {
// Make sure the previous frame has read its segmentation map,
// if we re-use the same map.
if (prev_frame && s->segmentation.enabled &&
!s->segmentation.update_map)
ff_thread_await_progress(&prev_frame->tf, mb_y, 0);
mb = s->macroblocks + (s->mb_height - mb_y - 1) * 2;
memset(mb - 1, 0, sizeof(*mb)); // zero left macroblock
AV_WN32A(s->intra4x4_pred_mode_left, DC_PRED * 0x01010101);
}
if (!is_vp7 || mb_y == 0)
memset(td->left_nnz, 0, sizeof(td->left_nnz));
s->mv_min.x = -MARGIN;
s->mv_max.x = ((s->mb_width - 1) << 6) + MARGIN;
for (mb_x = 0; mb_x < s->mb_width; mb_x++, mb_xy++, mb++) {
// Wait for previous thread to read mb_x+2, and reach mb_y-1.
if (prev_td != td) {
if (threadnr != 0) {
check_thread_pos(td, prev_td,
mb_x + (is_vp7 ? 2 : 1),
mb_y - (is_vp7 ? 2 : 1));
} else {
check_thread_pos(td, prev_td,
mb_x + (is_vp7 ? 2 : 1) + s->mb_width + 3,
mb_y - (is_vp7 ? 2 : 1));
}
}
s->vdsp.prefetch(dst[0] + (mb_x & 3) * 4 * s->linesize + 64,
s->linesize, 4);
s->vdsp.prefetch(dst[1] + (mb_x & 7) * s->uvlinesize + 64,
dst[2] - dst[1], 2);
if (!s->mb_layout)
decode_mb_mode(s, mb, mb_x, mb_y, curframe->seg_map->data + mb_xy,
prev_frame && prev_frame->seg_map ?
prev_frame->seg_map->data + mb_xy : NULL, 0, is_vp7);
prefetch_motion(s, mb, mb_x, mb_y, mb_xy, VP56_FRAME_PREVIOUS);
if (!mb->skip)
decode_mb_coeffs(s, td, c, mb, s->top_nnz[mb_x], td->left_nnz, is_vp7);
if (mb->mode <= MODE_I4x4)
intra_predict(s, td, dst, mb, mb_x, mb_y, is_vp7);
else
inter_predict(s, td, dst, mb, mb_x, mb_y);
prefetch_motion(s, mb, mb_x, mb_y, mb_xy, VP56_FRAME_GOLDEN);
if (!mb->skip) {
idct_mb(s, td, dst, mb);
} else {
AV_ZERO64(td->left_nnz);
AV_WN64(s->top_nnz[mb_x], 0); // array of 9, so unaligned
/* Reset DC block predictors if they would exist
* if the mb had coefficients */
if (mb->mode != MODE_I4x4 && mb->mode != VP8_MVMODE_SPLIT) {
td->left_nnz[8] = 0;
s->top_nnz[mb_x][8] = 0;
}
}
if (s->deblock_filter)
filter_level_for_mb(s, mb, &td->filter_strength[mb_x], is_vp7);
if (s->deblock_filter && num_jobs != 1 && threadnr == num_jobs - 1) {
if (s->filter.simple)
backup_mb_border(s->top_border[mb_x + 1], dst[0],
NULL, NULL, s->linesize, 0, 1);
else
backup_mb_border(s->top_border[mb_x + 1], dst[0],
dst[1], dst[2], s->linesize, s->uvlinesize, 0);
}
prefetch_motion(s, mb, mb_x, mb_y, mb_xy, VP56_FRAME_GOLDEN2);
dst[0] += 16;
dst[1] += 8;
dst[2] += 8;
s->mv_min.x -= 64;
s->mv_max.x -= 64;
if (mb_x == s->mb_width + 1) {
update_pos(td, mb_y, s->mb_width + 3);
} else {
update_pos(td, mb_y, mb_x);
}
}
}
|
d2a_function_data_5524
|
int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl)
{
EVP_MD_CTX_clear_flags(ctx, EVP_MD_CTX_FLAG_CLEANED);
#ifndef OPENSSL_NO_ENGINE
/*
* Whether it's nice or not, "Inits" can be used on "Final"'d contexts so
* this context may already have an ENGINE! Try to avoid releasing the
* previous handle, re-querying for an ENGINE, and having a
* reinitialisation, when it may all be unnecessary.
*/
if (ctx->engine && ctx->digest && (!type ||
(type
&& (type->type ==
ctx->digest->type))))
goto skip_to_init;
if (type) {
/*
* Ensure an ENGINE left lying around from last time is cleared (the
* previous check attempted to avoid this if the same ENGINE and
* EVP_MD could be used).
*/
ENGINE_finish(ctx->engine);
if (impl != NULL) {
if (!ENGINE_init(impl)) {
EVPerr(EVP_F_EVP_DIGESTINIT_EX, EVP_R_INITIALIZATION_ERROR);
return 0;
}
} else {
/* Ask if an ENGINE is reserved for this job */
impl = ENGINE_get_digest_engine(type->type);
}
if (impl != NULL) {
/* There's an ENGINE for this job ... (apparently) */
const EVP_MD *d = ENGINE_get_digest(impl, type->type);
if (d == NULL) {
EVPerr(EVP_F_EVP_DIGESTINIT_EX, EVP_R_INITIALIZATION_ERROR);
ENGINE_finish(impl);
return 0;
}
/* We'll use the ENGINE's private digest definition */
type = d;
/*
* Store the ENGINE functional reference so we know 'type' came
* from an ENGINE and we need to release it when done.
*/
ctx->engine = impl;
} else
ctx->engine = NULL;
} else {
if (!ctx->digest) {
EVPerr(EVP_F_EVP_DIGESTINIT_EX, EVP_R_NO_DIGEST_SET);
return 0;
}
type = ctx->digest;
}
#endif
if (ctx->digest != type) {
if (ctx->digest && ctx->digest->ctx_size)
OPENSSL_free(ctx->md_data);
ctx->digest = type;
if (!(ctx->flags & EVP_MD_CTX_FLAG_NO_INIT) && type->ctx_size) {
ctx->update = type->update;
ctx->md_data = OPENSSL_zalloc(type->ctx_size);
if (ctx->md_data == NULL) {
EVPerr(EVP_F_EVP_DIGESTINIT_EX, ERR_R_MALLOC_FAILURE);
return 0;
}
}
}
#ifndef OPENSSL_NO_ENGINE
skip_to_init:
#endif
if (ctx->pctx) {
int r;
r = EVP_PKEY_CTX_ctrl(ctx->pctx, -1, EVP_PKEY_OP_TYPE_SIG,
EVP_PKEY_CTRL_DIGESTINIT, 0, ctx);
if (r <= 0 && (r != -2))
return 0;
}
if (ctx->flags & EVP_MD_CTX_FLAG_NO_INIT)
return 1;
return ctx->digest->init(ctx);
}
|
d2a_function_data_5525
|
int X509_VERIFY_PARAM_set1_host(X509_VERIFY_PARAM *param,
const unsigned char *name, size_t namelen)
{
return int_x509_param_set1(¶m->id->host, ¶m->id->hostlen,
name, namelen);
}
|
d2a_function_data_5526
|
static int decode_frame(FLACContext *s)
{
int bs_code, sr_code, bps_code, i;
int ch_mode, bps, blocksize, samplerate;
GetBitContext *gb = &s->gb;
/* frame sync code */
skip_bits(&s->gb, 16);
/* block size and sample rate codes */
bs_code = get_bits(gb, 4);
sr_code = get_bits(gb, 4);
/* channels and decorrelation */
ch_mode = get_bits(gb, 4);
if (ch_mode < FLAC_MAX_CHANNELS && s->channels == ch_mode+1) {
ch_mode = FLAC_CHMODE_INDEPENDENT;
} else if (ch_mode > FLAC_CHMODE_MID_SIDE || s->channels != 2) {
av_log(s->avctx, AV_LOG_ERROR, "unsupported channel assignment %d (channels=%d)\n",
ch_mode, s->channels);
return -1;
}
/* bits per sample */
bps_code = get_bits(gb, 3);
if (bps_code == 0)
bps= s->bps;
else if ((bps_code != 3) && (bps_code != 7))
bps = sample_size_table[bps_code];
else {
av_log(s->avctx, AV_LOG_ERROR, "invalid sample size code (%d)\n",
bps_code);
return -1;
}
if (bps > 16) {
s->avctx->sample_fmt = SAMPLE_FMT_S32;
s->sample_shift = 32 - bps;
s->is32 = 1;
} else {
s->avctx->sample_fmt = SAMPLE_FMT_S16;
s->sample_shift = 16 - bps;
s->is32 = 0;
}
s->bps = s->avctx->bits_per_raw_sample = bps;
/* reserved bit */
if (get_bits1(gb)) {
av_log(s->avctx, AV_LOG_ERROR, "broken stream, invalid padding\n");
return -1;
}
/* sample or frame count */
if (get_utf8(gb) < 0) {
av_log(s->avctx, AV_LOG_ERROR, "utf8 fscked\n");
return -1;
}
/* blocksize */
if (bs_code == 0) {
av_log(s->avctx, AV_LOG_ERROR, "reserved blocksize code: 0\n");
return -1;
} else if (bs_code == 6)
blocksize = get_bits(gb, 8)+1;
else if (bs_code == 7)
blocksize = get_bits(gb, 16)+1;
else
blocksize = ff_flac_blocksize_table[bs_code];
if (blocksize > s->max_blocksize) {
av_log(s->avctx, AV_LOG_ERROR, "blocksize %d > %d\n", blocksize,
s->max_blocksize);
return -1;
}
/* sample rate */
if (sr_code == 0)
samplerate= s->samplerate;
else if (sr_code < 12)
samplerate = ff_flac_sample_rate_table[sr_code];
else if (sr_code == 12)
samplerate = get_bits(gb, 8) * 1000;
else if (sr_code == 13)
samplerate = get_bits(gb, 16);
else if (sr_code == 14)
samplerate = get_bits(gb, 16) * 10;
else {
av_log(s->avctx, AV_LOG_ERROR, "illegal sample rate code %d\n",
sr_code);
return -1;
}
/* header CRC-8 check */
skip_bits(gb, 8);
if (av_crc(av_crc_get_table(AV_CRC_8_ATM), 0, gb->buffer,
get_bits_count(gb)/8)) {
av_log(s->avctx, AV_LOG_ERROR, "header crc mismatch\n");
return -1;
}
s->blocksize = blocksize;
s->samplerate = samplerate;
s->bps = bps;
s->ch_mode = ch_mode;
// dump_headers(s->avctx, (FLACStreaminfo *)s);
/* subframes */
for (i = 0; i < s->channels; i++) {
if (decode_subframe(s, i) < 0)
return -1;
}
align_get_bits(gb);
/* frame footer */
skip_bits(gb, 16); /* data crc */
return 0;
}
|
d2a_function_data_5527
|
static const unsigned char *valid_star(const unsigned char *p, size_t len,
unsigned int flags)
{
const unsigned char *star = 0;
size_t i;
int state = LABEL_START;
int dots = 0;
for (i = 0; i < len; ++i)
{
/*
* Locate first and only legal wildcard, either at the start
* or end of a non-IDNA first and not final label.
*/
if (p[i] == '*')
{
int atstart = (state & LABEL_START);
int atend = (i == len - 1 || p[i+i] == '.');
/*
* At most one wildcard per pattern.
* No wildcards in IDNA labels.
* No wildcards after the first label.
*/
if (star != NULL || (state & LABEL_IDNA) != 0 || dots)
return NULL;
/* Only full-label '*.example.com' wildcards? */
if ((flags & X509_CHECK_FLAG_NO_PARTIAL_WILDCARDS)
&& (!atstart || !atend))
return NULL;
/* No 'foo*bar' wildcards */
if (!atstart && !atend)
return NULL;
star = &p[i];
state &= ~LABEL_START;
}
else if ((state & LABEL_START) != 0)
{
/*
* At the start of a label, skip any "xn--" and
* remain in the LABEL_START state, but set the
* IDNA label state
*/
if ((state & LABEL_IDNA) == 0 && len - i >= 4
&& strncasecmp((char *)&p[i], "xn--", 4) == 0)
{
i += 3;
state |= LABEL_IDNA;
continue;
}
/* Labels must start with a letter or digit */
state &= ~LABEL_START;
if (('a' <= p[i] && p[i] <= 'z')
|| ('A' <= p[i] && p[i] <= 'Z')
|| ('0' <= p[i] && p[i] <= '9'))
continue;
return NULL;
}
else if (('a' <= p[i] && p[i] <= 'z')
|| ('A' <= p[i] && p[i] <= 'Z')
|| ('0' <= p[i] && p[i] <= '9'))
{
state &= LABEL_IDNA;
continue;
}
else if (p[i] == '.')
{
if (state & (LABEL_HYPHEN | LABEL_START))
return NULL;
state = LABEL_START;
++dots;
}
else if (p[i] == '-')
{
if (state & LABEL_HYPHEN)
return NULL;
state |= LABEL_HYPHEN;
}
else
return NULL;
}
/*
* The final label must not end in a hyphen or ".", and
* there must be at least two dots after the star.
*/
if ((state & (LABEL_START | LABEL_HYPHEN)) != 0
|| dots < 2)
return NULL;
return star;
}
|
d2a_function_data_5528
|
static inline int svq3_decode_block(GetBitContext *gb, DCTELEM *block,
int index, const int type)
{
static const uint8_t *const scan_patterns[4] =
{ luma_dc_zigzag_scan, zigzag_scan, svq3_scan, chroma_dc_scan };
int run, level, sign, vlc, limit;
const int intra = (3 * type) >> 2;
const uint8_t *const scan = scan_patterns[type];
for (limit = (16 >> intra); index < 16; index = limit, limit += 8) {
for (; (vlc = svq3_get_ue_golomb(gb)) != 0; index++) {
if (vlc == INVALID_VLC)
return -1;
sign = (vlc & 0x1) - 1;
vlc = (vlc + 1) >> 1;
if (type == 3) {
if (vlc < 3) {
run = 0;
level = vlc;
} else if (vlc < 4) {
run = 1;
level = 1;
} else {
run = (vlc & 0x3);
level = ((vlc + 9) >> 2) - run;
}
} else {
if (vlc < 16) {
run = svq3_dct_tables[intra][vlc].run;
level = svq3_dct_tables[intra][vlc].level;
} else if (intra) {
run = (vlc & 0x7);
level = (vlc >> 3) + ((run == 0) ? 8 : ((run < 2) ? 2 : ((run < 5) ? 0 : -1)));
} else {
run = (vlc & 0xF);
level = (vlc >> 4) + ((run == 0) ? 4 : ((run < 3) ? 2 : ((run < 10) ? 1 : 0)));
}
}
if ((index += run) >= limit)
return -1;
block[scan[index]] = (level ^ sign) - sign;
}
if (type != 2) {
break;
}
}
return 0;
}
|
d2a_function_data_5529
|
int ff_fill_line_with_color(uint8_t *line[4], int pixel_step[4], int w, uint8_t dst_color[4],
enum AVPixelFormat pix_fmt, uint8_t rgba_color[4],
int *is_packed_rgba, uint8_t rgba_map_ptr[4])
{
uint8_t rgba_map[4] = {0};
int i;
const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(pix_fmt);
int hsub = pix_desc->log2_chroma_w;
*is_packed_rgba = ff_fill_rgba_map(rgba_map, pix_fmt) >= 0;
if (*is_packed_rgba) {
pixel_step[0] = (av_get_bits_per_pixel(pix_desc))>>3;
for (i = 0; i < 4; i++)
dst_color[rgba_map[i]] = rgba_color[i];
line[0] = av_malloc_array(w, pixel_step[0]);
if (!line[0])
return AVERROR(ENOMEM);
for (i = 0; i < w; i++)
memcpy(line[0] + i * pixel_step[0], dst_color, pixel_step[0]);
if (rgba_map_ptr)
memcpy(rgba_map_ptr, rgba_map, sizeof(rgba_map[0]) * 4);
} else {
int plane;
dst_color[0] = RGB_TO_Y_CCIR(rgba_color[0], rgba_color[1], rgba_color[2]);
dst_color[1] = RGB_TO_U_CCIR(rgba_color[0], rgba_color[1], rgba_color[2], 0);
dst_color[2] = RGB_TO_V_CCIR(rgba_color[0], rgba_color[1], rgba_color[2], 0);
dst_color[3] = rgba_color[3];
for (plane = 0; plane < 4; plane++) {
int line_size;
int hsub1 = (plane == 1 || plane == 2) ? hsub : 0;
pixel_step[plane] = 1;
line_size = FF_CEIL_RSHIFT(w, hsub1) * pixel_step[plane];
line[plane] = av_malloc(line_size);
if (!line[plane]) {
while(plane && line[plane-1])
av_freep(&line[--plane]);
return AVERROR(ENOMEM);
}
memset(line[plane], dst_color[plane], line_size);
}
}
return 0;
}
|
d2a_function_data_5530
|
CERT *ssl_cert_dup(CERT *cert)
{
CERT *ret;
int i;
ret = (CERT *)OPENSSL_malloc(sizeof(CERT));
if (ret == NULL)
{
SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE);
return(NULL);
}
memset(ret, 0, sizeof(CERT));
ret->key = &ret->pkeys[cert->key - &cert->pkeys[0]];
/* or ret->key = ret->pkeys + (cert->key - cert->pkeys),
* if you find that more readable */
ret->valid = cert->valid;
ret->mask = cert->mask;
ret->export_mask = cert->export_mask;
#ifndef OPENSSL_NO_RSA
if (cert->rsa_tmp != NULL)
{
RSA_up_ref(cert->rsa_tmp);
ret->rsa_tmp = cert->rsa_tmp;
}
ret->rsa_tmp_cb = cert->rsa_tmp_cb;
#endif
#ifndef OPENSSL_NO_DH
if (cert->dh_tmp != NULL)
{
ret->dh_tmp = DHparams_dup(cert->dh_tmp);
if (ret->dh_tmp == NULL)
{
SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_DH_LIB);
goto err;
}
if (cert->dh_tmp->priv_key)
{
BIGNUM *b = BN_dup(cert->dh_tmp->priv_key);
if (!b)
{
SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB);
goto err;
}
ret->dh_tmp->priv_key = b;
}
if (cert->dh_tmp->pub_key)
{
BIGNUM *b = BN_dup(cert->dh_tmp->pub_key);
if (!b)
{
SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB);
goto err;
}
ret->dh_tmp->pub_key = b;
}
}
ret->dh_tmp_cb = cert->dh_tmp_cb;
#endif
#ifndef OPENSSL_NO_ECDH
if (cert->ecdh_tmp)
{
ret->ecdh_tmp = EC_KEY_dup(cert->ecdh_tmp);
if (ret->ecdh_tmp == NULL)
{
SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_EC_LIB);
goto err;
}
}
ret->ecdh_tmp_cb = cert->ecdh_tmp_cb;
#endif
for (i = 0; i < SSL_PKEY_NUM; i++)
{
if (cert->pkeys[i].x509 != NULL)
{
ret->pkeys[i].x509 = cert->pkeys[i].x509;
CRYPTO_add(&ret->pkeys[i].x509->references, 1,
CRYPTO_LOCK_X509);
}
if (cert->pkeys[i].privatekey != NULL)
{
ret->pkeys[i].privatekey = cert->pkeys[i].privatekey;
CRYPTO_add(&ret->pkeys[i].privatekey->references, 1,
CRYPTO_LOCK_EVP_PKEY);
switch(i)
{
/* If there was anything special to do for
* certain types of keys, we'd do it here.
* (Nothing at the moment, I think.) */
case SSL_PKEY_RSA_ENC:
case SSL_PKEY_RSA_SIGN:
/* We have an RSA key. */
break;
case SSL_PKEY_DSA_SIGN:
/* We have a DSA key. */
break;
case SSL_PKEY_DH_RSA:
case SSL_PKEY_DH_DSA:
/* We have a DH key. */
break;
case SSL_PKEY_ECC:
/* We have an ECC key */
break;
default:
/* Can't happen. */
SSLerr(SSL_F_SSL_CERT_DUP, SSL_R_LIBRARY_BUG);
}
}
}
/* ret->extra_certs *should* exist, but currently the own certificate
* chain is held inside SSL_CTX */
ret->references=1;
return(ret);
#if !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_ECDH)
err:
#endif
#ifndef OPENSSL_NO_RSA
if (ret->rsa_tmp != NULL)
RSA_free(ret->rsa_tmp);
#endif
#ifndef OPENSSL_NO_DH
if (ret->dh_tmp != NULL)
DH_free(ret->dh_tmp);
#endif
#ifndef OPENSSL_NO_ECDH
if (ret->ecdh_tmp != NULL)
EC_KEY_free(ret->ecdh_tmp);
#endif
for (i = 0; i < SSL_PKEY_NUM; i++)
{
if (ret->pkeys[i].x509 != NULL)
X509_free(ret->pkeys[i].x509);
if (ret->pkeys[i].privatekey != NULL)
EVP_PKEY_free(ret->pkeys[i].privatekey);
}
return NULL;
}
|
d2a_function_data_5531
|
static int rtp_parse_mp4_au(RTPDemuxContext *s, const uint8_t *buf)
{
int au_headers_length, au_header_size, i;
GetBitContext getbitcontext;
RTPPayloadData *infos;
infos = s->rtp_payload_data;
if (infos == NULL)
return -1;
/* decode the first 2 bytes where the AUHeader sections are stored
length in bits */
au_headers_length = AV_RB16(buf);
if (au_headers_length > RTP_MAX_PACKET_LENGTH)
return -1;
infos->au_headers_length_bytes = (au_headers_length + 7) / 8;
/* skip AU headers length section (2 bytes) */
buf += 2;
init_get_bits(&getbitcontext, buf, infos->au_headers_length_bytes * 8);
/* XXX: Wrong if optionnal additional sections are present (cts, dts etc...) */
au_header_size = infos->sizelength + infos->indexlength;
if (au_header_size <= 0 || (au_headers_length % au_header_size != 0))
return -1;
infos->nb_au_headers = au_headers_length / au_header_size;
infos->au_headers = av_malloc(sizeof(struct AUHeaders) * infos->nb_au_headers);
/* XXX: We handle multiple AU Section as only one (need to fix this for interleaving)
In my test, the FAAD decoder does not behave correctly when sending each AU one by one
but does when sending the whole as one big packet... */
infos->au_headers[0].size = 0;
infos->au_headers[0].index = 0;
for (i = 0; i < infos->nb_au_headers; ++i) {
infos->au_headers[0].size += get_bits_long(&getbitcontext, infos->sizelength);
infos->au_headers[0].index = get_bits_long(&getbitcontext, infos->indexlength);
}
infos->nb_au_headers = 1;
return 0;
}
|
d2a_function_data_5532
|
static int decode_2(SANMVideoContext *ctx)
{
int cx, cy, ret;
for (cy = 0; cy != ctx->aligned_height; cy += 8) {
for (cx = 0; cx != ctx->aligned_width; cx += 8) {
if (ret = codec2subblock(ctx, cx, cy, 8))
return ret;
}
}
return 0;
}
|
d2a_function_data_5533
|
int BN_mod_exp_mont(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
{
int i, j, bits, ret = 0, wstart, wend, window, wvalue;
int start = 1;
BIGNUM *d, *r;
const BIGNUM *aa;
/* Table of variables obtained from 'ctx' */
BIGNUM *val[TABLE_SIZE];
BN_MONT_CTX *mont = NULL;
if (BN_get_flags(p, BN_FLG_CONSTTIME) != 0
|| BN_get_flags(a, BN_FLG_CONSTTIME) != 0
|| BN_get_flags(m, BN_FLG_CONSTTIME) != 0) {
return BN_mod_exp_mont_consttime(rr, a, p, m, ctx, in_mont);
}
bn_check_top(a);
bn_check_top(p);
bn_check_top(m);
if (!BN_is_odd(m)) {
BNerr(BN_F_BN_MOD_EXP_MONT, BN_R_CALLED_WITH_EVEN_MODULUS);
return 0;
}
bits = BN_num_bits(p);
if (bits == 0) {
/* x**0 mod 1 is still zero. */
if (BN_is_one(m)) {
ret = 1;
BN_zero(rr);
} else {
ret = BN_one(rr);
}
return ret;
}
BN_CTX_start(ctx);
d = BN_CTX_get(ctx);
r = BN_CTX_get(ctx);
val[0] = BN_CTX_get(ctx);
if (val[0] == NULL)
goto err;
/*
* If this is not done, things will break in the montgomery part
*/
if (in_mont != NULL)
mont = in_mont;
else {
if ((mont = BN_MONT_CTX_new()) == NULL)
goto err;
if (!BN_MONT_CTX_set(mont, m, ctx))
goto err;
}
if (a->neg || BN_ucmp(a, m) >= 0) {
if (!BN_nnmod(val[0], a, m, ctx))
goto err;
aa = val[0];
} else
aa = a;
if (BN_is_zero(aa)) {
BN_zero(rr);
ret = 1;
goto err;
}
if (!BN_to_montgomery(val[0], aa, mont, ctx))
goto err; /* 1 */
window = BN_window_bits_for_exponent_size(bits);
if (window > 1) {
if (!BN_mod_mul_montgomery(d, val[0], val[0], mont, ctx))
goto err; /* 2 */
j = 1 << (window - 1);
for (i = 1; i < j; i++) {
if (((val[i] = BN_CTX_get(ctx)) == NULL) ||
!BN_mod_mul_montgomery(val[i], val[i - 1], d, mont, ctx))
goto err;
}
}
start = 1; /* This is used to avoid multiplication etc
* when there is only the value '1' in the
* buffer. */
wvalue = 0; /* The 'value' of the window */
wstart = bits - 1; /* The top bit of the window */
wend = 0; /* The bottom bit of the window */
#if 1 /* by Shay Gueron's suggestion */
j = m->top; /* borrow j */
if (m->d[j - 1] & (((BN_ULONG)1) << (BN_BITS2 - 1))) {
if (bn_wexpand(r, j) == NULL)
goto err;
/* 2^(top*BN_BITS2) - m */
r->d[0] = (0 - m->d[0]) & BN_MASK2;
for (i = 1; i < j; i++)
r->d[i] = (~m->d[i]) & BN_MASK2;
r->top = j;
/*
* Upper words will be zero if the corresponding words of 'm' were
* 0xfff[...], so decrement r->top accordingly.
*/
bn_correct_top(r);
} else
#endif
if (!BN_to_montgomery(r, BN_value_one(), mont, ctx))
goto err;
for (;;) {
if (BN_is_bit_set(p, wstart) == 0) {
if (!start) {
if (!BN_mod_mul_montgomery(r, r, r, mont, ctx))
goto err;
}
if (wstart == 0)
break;
wstart--;
continue;
}
/*
* We now have wstart on a 'set' bit, we now need to work out how bit
* a window to do. To do this we need to scan forward until the last
* set bit before the end of the window
*/
j = wstart;
wvalue = 1;
wend = 0;
for (i = 1; i < window; i++) {
if (wstart - i < 0)
break;
if (BN_is_bit_set(p, wstart - i)) {
wvalue <<= (i - wend);
wvalue |= 1;
wend = i;
}
}
/* wend is the size of the current window */
j = wend + 1;
/* add the 'bytes above' */
if (!start)
for (i = 0; i < j; i++) {
if (!BN_mod_mul_montgomery(r, r, r, mont, ctx))
goto err;
}
/* wvalue will be an odd number < 2^window */
if (!BN_mod_mul_montgomery(r, r, val[wvalue >> 1], mont, ctx))
goto err;
/* move the 'window' down further */
wstart -= wend + 1;
wvalue = 0;
start = 0;
if (wstart < 0)
break;
}
#if defined(SPARC_T4_MONT)
if (OPENSSL_sparcv9cap_P[0] & (SPARCV9_VIS3 | SPARCV9_PREFER_FPU)) {
j = mont->N.top; /* borrow j */
val[0]->d[0] = 1; /* borrow val[0] */
for (i = 1; i < j; i++)
val[0]->d[i] = 0;
val[0]->top = j;
if (!BN_mod_mul_montgomery(rr, r, val[0], mont, ctx))
goto err;
} else
#endif
if (!BN_from_montgomery(rr, r, mont, ctx))
goto err;
ret = 1;
err:
if (in_mont == NULL)
BN_MONT_CTX_free(mont);
BN_CTX_end(ctx);
bn_check_top(rr);
return ret;
}
|
d2a_function_data_5534
|
static int frame_thread_init(AVCodecContext *avctx)
{
int thread_count = avctx->thread_count;
AVCodec *codec = avctx->codec;
AVCodecContext *src = avctx;
FrameThreadContext *fctx;
int i, err = 0;
if (!thread_count) {
int nb_cpus = ff_get_logical_cpus(avctx);
if ((avctx->debug & (FF_DEBUG_VIS_QP | FF_DEBUG_VIS_MB_TYPE)) || avctx->debug_mv)
nb_cpus = 1;
// use number of cores + 1 as thread count if there is more than one
if (nb_cpus > 1)
thread_count = avctx->thread_count = FFMIN(nb_cpus + 1, MAX_AUTO_THREADS);
else
thread_count = avctx->thread_count = 1;
}
if (thread_count <= 1) {
avctx->active_thread_type = 0;
return 0;
}
avctx->thread_opaque = fctx = av_mallocz(sizeof(FrameThreadContext));
fctx->threads = av_mallocz(sizeof(PerThreadContext) * thread_count);
pthread_mutex_init(&fctx->buffer_mutex, NULL);
fctx->delaying = 1;
for (i = 0; i < thread_count; i++) {
AVCodecContext *copy = av_malloc(sizeof(AVCodecContext));
PerThreadContext *p = &fctx->threads[i];
pthread_mutex_init(&p->mutex, NULL);
pthread_mutex_init(&p->progress_mutex, NULL);
pthread_cond_init(&p->input_cond, NULL);
pthread_cond_init(&p->progress_cond, NULL);
pthread_cond_init(&p->output_cond, NULL);
p->parent = fctx;
p->avctx = copy;
if (!copy) {
err = AVERROR(ENOMEM);
goto error;
}
*copy = *src;
copy->thread_opaque = p;
copy->pkt = &p->avpkt;
if (!i) {
src = copy;
if (codec->init)
err = codec->init(copy);
update_context_from_thread(avctx, copy, 1);
} else {
copy->priv_data = av_malloc(codec->priv_data_size);
if (!copy->priv_data) {
err = AVERROR(ENOMEM);
goto error;
}
memcpy(copy->priv_data, src->priv_data, codec->priv_data_size);
copy->internal = av_malloc(sizeof(AVCodecInternal));
if (!copy->internal) {
err = AVERROR(ENOMEM);
goto error;
}
*copy->internal = *src->internal;
copy->internal->is_copy = 1;
if (codec->init_thread_copy)
err = codec->init_thread_copy(copy);
}
if (err) goto error;
err = AVERROR(pthread_create(&p->thread, NULL, frame_worker_thread, p));
p->thread_init= !err;
if(!p->thread_init)
goto error;
}
return 0;
error:
frame_thread_free(avctx, i+1);
return err;
}
|
d2a_function_data_5535
|
static void test_memory_null_empty(const unsigned char *m, char c)
{
if (m == NULL)
test_printf_stderr("% 4s %c%s\n", "", c, "NULL");
else
test_printf_stderr("%04x %c%s\n", 0u, c, "empty");
}
|
d2a_function_data_5536
|
static int add_file(AVFormatContext *avf, char *filename, ConcatFile **rfile,
unsigned *nb_files_alloc)
{
ConcatContext *cat = avf->priv_data;
ConcatFile *file;
char *url = NULL;
const char *proto;
size_t url_len, proto_len;
int ret;
if (cat->safe > 0 && !safe_filename(filename)) {
av_log(avf, AV_LOG_ERROR, "Unsafe file name '%s'\n", filename);
FAIL(AVERROR(EPERM));
}
proto = avio_find_protocol_name(filename);
proto_len = proto ? strlen(proto) : 0;
if (proto && !memcmp(filename, proto, proto_len) &&
(filename[proto_len] == ':' || filename[proto_len] == ',')) {
url = filename;
filename = NULL;
} else {
url_len = strlen(avf->filename) + strlen(filename) + 16;
if (!(url = av_malloc(url_len)))
FAIL(AVERROR(ENOMEM));
ff_make_absolute_url(url, url_len, avf->filename, filename);
av_freep(&filename);
}
if (cat->nb_files >= *nb_files_alloc) {
size_t n = FFMAX(*nb_files_alloc * 2, 16);
ConcatFile *new_files;
if (n <= cat->nb_files || n > SIZE_MAX / sizeof(*cat->files) ||
!(new_files = av_realloc(cat->files, n * sizeof(*cat->files))))
FAIL(AVERROR(ENOMEM));
cat->files = new_files;
*nb_files_alloc = n;
}
file = &cat->files[cat->nb_files++];
memset(file, 0, sizeof(*file));
*rfile = file;
file->url = url;
file->start_time = AV_NOPTS_VALUE;
file->duration = AV_NOPTS_VALUE;
file->next_dts = AV_NOPTS_VALUE;
file->inpoint = AV_NOPTS_VALUE;
file->outpoint = AV_NOPTS_VALUE;
return 0;
fail:
av_free(url);
av_free(filename);
return ret;
}
|
d2a_function_data_5537
|
static void x509v3_cache_extensions(X509 *x)
{
BASIC_CONSTRAINTS *bs;
ASN1_BIT_STRING *usage;
ASN1_BIT_STRING *ns;
STACK_OF(ASN1_OBJECT) *extusage;
int i;
if(x->ex_flags & EXFLAG_SET) return;
#ifndef NO_SHA
X509_digest(x, EVP_sha1(), x->sha1_hash, NULL);
#endif
/* Does subject name match issuer ? */
if(!X509_NAME_cmp(X509_get_subject_name(x), X509_get_issuer_name(x)))
x->ex_flags |= EXFLAG_SS;
/* V1 should mean no extensions ... */
if(!X509_get_version(x)) x->ex_flags |= EXFLAG_V1;
/* Handle basic constraints */
if((bs=X509_get_ext_d2i(x, NID_basic_constraints, NULL, NULL))) {
if(bs->ca) x->ex_flags |= EXFLAG_CA;
if(bs->pathlen) {
if((bs->pathlen->type == V_ASN1_NEG_INTEGER)
|| !bs->ca) {
x->ex_flags |= EXFLAG_INVALID;
x->ex_pathlen = 0;
} else x->ex_pathlen = ASN1_INTEGER_get(bs->pathlen);
} else x->ex_pathlen = -1;
BASIC_CONSTRAINTS_free(bs);
x->ex_flags |= EXFLAG_BCONS;
}
/* Handle key usage */
if((usage=X509_get_ext_d2i(x, NID_key_usage, NULL, NULL))) {
if(usage->length > 0) {
x->ex_kusage = usage->data[0];
if(usage->length > 1)
x->ex_kusage |= usage->data[1] << 8;
} else x->ex_kusage = 0;
x->ex_flags |= EXFLAG_KUSAGE;
ASN1_BIT_STRING_free(usage);
}
x->ex_xkusage = 0;
if((extusage=X509_get_ext_d2i(x, NID_ext_key_usage, NULL, NULL))) {
x->ex_flags |= EXFLAG_XKUSAGE;
for(i = 0; i < sk_ASN1_OBJECT_num(extusage); i++) {
switch(OBJ_obj2nid(sk_ASN1_OBJECT_value(extusage,i))) {
case NID_server_auth:
x->ex_xkusage |= XKU_SSL_SERVER;
break;
case NID_client_auth:
x->ex_xkusage |= XKU_SSL_CLIENT;
break;
case NID_email_protect:
x->ex_xkusage |= XKU_SMIME;
break;
case NID_code_sign:
x->ex_xkusage |= XKU_CODE_SIGN;
break;
case NID_ms_sgc:
case NID_ns_sgc:
x->ex_xkusage |= XKU_SGC;
}
}
sk_ASN1_OBJECT_pop_free(extusage, ASN1_OBJECT_free);
}
if((ns=X509_get_ext_d2i(x, NID_netscape_cert_type, NULL, NULL))) {
if(ns->length > 0) x->ex_nscert = ns->data[0];
else x->ex_nscert = 0;
x->ex_flags |= EXFLAG_NSCERT;
ASN1_BIT_STRING_free(ns);
}
x->skid =X509_get_ext_d2i(x, NID_subject_key_identifier, NULL, NULL);
x->akid =X509_get_ext_d2i(x, NID_authority_key_identifier, NULL, NULL);
x->ex_flags |= EXFLAG_SET;
}
|
d2a_function_data_5538
|
static int yop_read_header(AVFormatContext *s)
{
YopDecContext *yop = s->priv_data;
AVIOContext *pb = s->pb;
AVCodecContext *audio_dec, *video_dec;
AVStream *audio_stream, *video_stream;
int frame_rate, ret;
audio_stream = avformat_new_stream(s, NULL);
video_stream = avformat_new_stream(s, NULL);
// Extra data that will be passed to the decoder
video_stream->codec->extradata_size = 8;
video_stream->codec->extradata = av_mallocz(video_stream->codec->extradata_size +
FF_INPUT_BUFFER_PADDING_SIZE);
if (!video_stream->codec->extradata)
return AVERROR(ENOMEM);
// Audio
audio_dec = audio_stream->codec;
audio_dec->codec_type = AVMEDIA_TYPE_AUDIO;
audio_dec->codec_id = AV_CODEC_ID_ADPCM_IMA_APC;
audio_dec->channels = 1;
audio_dec->sample_rate = 22050;
// Video
video_dec = video_stream->codec;
video_dec->codec_type = AVMEDIA_TYPE_VIDEO;
video_dec->codec_id = AV_CODEC_ID_YOP;
avio_skip(pb, 6);
frame_rate = avio_r8(pb);
yop->frame_size = avio_r8(pb) * 2048;
video_dec->width = avio_rl16(pb);
video_dec->height = avio_rl16(pb);
video_stream->sample_aspect_ratio = (AVRational){1, 2};
ret = avio_read(pb, video_dec->extradata, 8);
if (ret < 8)
return ret < 0 ? ret : AVERROR_EOF;
yop->palette_size = video_dec->extradata[0] * 3 + 4;
yop->audio_block_length = AV_RL16(video_dec->extradata + 6);
// 1840 samples per frame, 1 nibble per sample; hence 1840/2 = 920
if (yop->audio_block_length < 920 ||
yop->audio_block_length + yop->palette_size >= yop->frame_size) {
av_log(s, AV_LOG_ERROR, "YOP has invalid header\n");
return AVERROR_INVALIDDATA;
}
avio_seek(pb, 2048, SEEK_SET);
avpriv_set_pts_info(video_stream, 32, 1, frame_rate);
return 0;
}
|
d2a_function_data_5539
|
static void restore_median(uint8_t *src, int step, int stride,
int width, int height, int slices, int rmode)
{
int i, j, slice;
int A, B, C;
uint8_t *bsrc;
int slice_start, slice_height;
const int cmask = ~rmode;
for (slice = 0; slice < slices; slice++) {
slice_start = ((slice * height) / slices) & cmask;
slice_height = ((((slice + 1) * height) / slices) & cmask) -
slice_start;
bsrc = src + slice_start * stride;
// first line - left neighbour prediction
bsrc[0] += 0x80;
A = bsrc[0];
for (i = step; i < width * step; i += step) {
bsrc[i] += A;
A = bsrc[i];
}
bsrc += stride;
if (slice_height == 1)
continue;
// second line - first element has top prediction, the rest uses median
C = bsrc[-stride];
bsrc[0] += C;
A = bsrc[0];
for (i = step; i < width * step; i += step) {
B = bsrc[i - stride];
bsrc[i] += mid_pred(A, B, (uint8_t)(A + B - C));
C = B;
A = bsrc[i];
}
bsrc += stride;
// the rest of lines use continuous median prediction
for (j = 2; j < slice_height; j++) {
for (i = 0; i < width * step; i += step) {
B = bsrc[i - stride];
bsrc[i] += mid_pred(A, B, (uint8_t)(A + B - C));
C = B;
A = bsrc[i];
}
bsrc += stride;
}
}
}
|
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