static int svq1_encode_plane(SVQ1Context *s, int plane, unsigned char *src_plane, unsigned char *ref_plane, unsigned char *decoded_plane, int width, int height, int src_stride, int stride) { const AVFrame *f = s->avctx->coded_frame; int x, y; int i; int block_width, block_height; int level; int threshold[6]; uint8_t *src = s->scratchbuf + stride * 16; const int lambda = (f->quality * f->quality) >> (2 * FF_LAMBDA_SHIFT); /* figure out the acceptable level thresholds in advance */ threshold[5] = QUALITY_THRESHOLD; for (level = 4; level >= 0; level--) threshold[level] = threshold[level + 1] * THRESHOLD_MULTIPLIER; block_width = (width + 15) / 16; block_height = (height + 15) / 16; if (f->pict_type == AV_PICTURE_TYPE_P) { s->m.avctx = s->avctx; s->m.current_picture_ptr = &s->m.current_picture; s->m.last_picture_ptr = &s->m.last_picture; s->m.last_picture.f.data[0] = ref_plane; s->m.linesize = s->m.last_picture.f.linesize[0] = s->m.new_picture.f.linesize[0] = s->m.current_picture.f.linesize[0] = stride; s->m.width = width; s->m.height = height; s->m.mb_width = block_width; s->m.mb_height = block_height; s->m.mb_stride = s->m.mb_width + 1; s->m.b8_stride = 2 * s->m.mb_width + 1; s->m.f_code = 1; s->m.pict_type = f->pict_type; s->m.me_method = s->avctx->me_method; s->m.me.scene_change_score = 0; s->m.flags = s->avctx->flags; // s->m.out_format = FMT_H263; // s->m.unrestricted_mv = 1; s->m.lambda = f->quality; s->m.qscale = s->m.lambda * 139 + FF_LAMBDA_SCALE * 64 >> FF_LAMBDA_SHIFT + 7; s->m.lambda2 = s->m.lambda * s->m.lambda + FF_LAMBDA_SCALE / 2 >> FF_LAMBDA_SHIFT; if (!s->motion_val8[plane]) { s->motion_val8[plane] = av_mallocz((s->m.b8_stride * block_height * 2 + 2) * 2 * sizeof(int16_t)); s->motion_val16[plane] = av_mallocz((s->m.mb_stride * (block_height + 2) + 1) * 2 * sizeof(int16_t)); } s->m.mb_type = s->mb_type; // dummies, to avoid segfaults s->m.current_picture.mb_mean = (uint8_t *)s->dummy; s->m.current_picture.mb_var = (uint16_t *)s->dummy; s->m.current_picture.mc_mb_var = (uint16_t *)s->dummy; s->m.current_picture.mb_type = s->dummy; s->m.current_picture.motion_val[0] = s->motion_val8[plane] + 2; s->m.p_mv_table = s->motion_val16[plane] + s->m.mb_stride + 1; s->m.dsp = s->dsp; // move ff_init_me(&s->m); s->m.me.dia_size = s->avctx->dia_size; s->m.first_slice_line = 1; for (y = 0; y < block_height; y++) { s->m.new_picture.f.data[0] = src - y * 16 * stride; // ugly s->m.mb_y = y; for (i = 0; i < 16 && i + 16 * y < height; i++) { memcpy(&src[i * stride], &src_plane[(i + 16 * y) * src_stride], width); for (x = width; x < 16 * block_width; x++) src[i * stride + x] = src[i * stride + x - 1]; } for (; i < 16 && i + 16 * y < 16 * block_height; i++) memcpy(&src[i * stride], &src[(i - 1) * stride], 16 * block_width); for (x = 0; x < block_width; x++) { s->m.mb_x = x; ff_init_block_index(&s->m); ff_update_block_index(&s->m); ff_estimate_p_frame_motion(&s->m, x, y); } s->m.first_slice_line = 0; } ff_fix_long_p_mvs(&s->m); ff_fix_long_mvs(&s->m, NULL, 0, s->m.p_mv_table, s->m.f_code, CANDIDATE_MB_TYPE_INTER, 0); } s->m.first_slice_line = 1; for (y = 0; y < block_height; y++) { for (i = 0; i < 16 && i + 16 * y < height; i++) { memcpy(&src[i * stride], &src_plane[(i + 16 * y) * src_stride], width); for (x = width; x < 16 * block_width; x++) src[i * stride + x] = src[i * stride + x - 1]; } for (; i < 16 && i + 16 * y < 16 * block_height; i++) memcpy(&src[i * stride], &src[(i - 1) * stride], 16 * block_width); s->m.mb_y = y; for (x = 0; x < block_width; x++) { uint8_t reorder_buffer[3][6][7 * 32]; int count[3][6]; int offset = y * 16 * stride + x * 16; uint8_t *decoded = decoded_plane + offset; uint8_t *ref = ref_plane + offset; int score[4] = { 0, 0, 0, 0 }, best; uint8_t *temp = s->scratchbuf; if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < 3000) { // FIXME: check size av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n"); return -1; } s->m.mb_x = x; ff_init_block_index(&s->m); ff_update_block_index(&s->m); if (f->pict_type == AV_PICTURE_TYPE_I || (s->m.mb_type[x + y * s->m.mb_stride] & CANDIDATE_MB_TYPE_INTRA)) { for (i = 0; i < 6; i++) init_put_bits(&s->reorder_pb[i], reorder_buffer[0][i], 7 * 32); if (f->pict_type == AV_PICTURE_TYPE_P) { const uint8_t *vlc = ff_svq1_block_type_vlc[SVQ1_BLOCK_INTRA]; put_bits(&s->reorder_pb[5], vlc[1], vlc[0]); score[0] = vlc[1] * lambda; } score[0] += encode_block(s, src + 16 * x, NULL, temp, stride, 5, 64, lambda, 1); for (i = 0; i < 6; i++) { count[0][i] = put_bits_count(&s->reorder_pb[i]); flush_put_bits(&s->reorder_pb[i]); } } else score[0] = INT_MAX; best = 0; if (f->pict_type == AV_PICTURE_TYPE_P) { const uint8_t *vlc = ff_svq1_block_type_vlc[SVQ1_BLOCK_INTER]; int mx, my, pred_x, pred_y, dxy; int16_t *motion_ptr; motion_ptr = ff_h263_pred_motion(&s->m, 0, 0, &pred_x, &pred_y); if (s->m.mb_type[x + y * s->m.mb_stride] & CANDIDATE_MB_TYPE_INTER) { for (i = 0; i < 6; i++) init_put_bits(&s->reorder_pb[i], reorder_buffer[1][i], 7 * 32); put_bits(&s->reorder_pb[5], vlc[1], vlc[0]); s->m.pb = s->reorder_pb[5]; mx = motion_ptr[0]; my = motion_ptr[1]; assert(mx >= -32 && mx <= 31); assert(my >= -32 && my <= 31); assert(pred_x >= -32 && pred_x <= 31); assert(pred_y >= -32 && pred_y <= 31); ff_h263_encode_motion(&s->m, mx - pred_x, 1); ff_h263_encode_motion(&s->m, my - pred_y, 1); s->reorder_pb[5] = s->m.pb; score[1] += lambda * put_bits_count(&s->reorder_pb[5]); dxy = (mx & 1) + 2 * (my & 1); s->hdsp.put_pixels_tab[0][dxy](temp + 16, ref + (mx >> 1) + stride * (my >> 1), stride, 16); score[1] += encode_block(s, src + 16 * x, temp + 16, decoded, stride, 5, 64, lambda, 0); best = score[1] <= score[0]; vlc = ff_svq1_block_type_vlc[SVQ1_BLOCK_SKIP]; score[2] = s->dsp.sse[0](NULL, src + 16 * x, ref, stride, 16); score[2] += vlc[1] * lambda; if (score[2] < score[best] && mx == 0 && my == 0) { best = 2; s->hdsp.put_pixels_tab[0][0](decoded, ref, stride, 16); for (i = 0; i < 6; i++) count[2][i] = 0; put_bits(&s->pb, vlc[1], vlc[0]); } } if (best == 1) { for (i = 0; i < 6; i++) { count[1][i] = put_bits_count(&s->reorder_pb[i]); flush_put_bits(&s->reorder_pb[i]); } } else { motion_ptr[0] = motion_ptr[1] = motion_ptr[2] = motion_ptr[3] = motion_ptr[0 + 2 * s->m.b8_stride] = motion_ptr[1 + 2 * s->m.b8_stride] = motion_ptr[2 + 2 * s->m.b8_stride] = motion_ptr[3 + 2 * s->m.b8_stride] = 0; } } s->rd_total += score[best]; for (i = 5; i >= 0; i--) avpriv_copy_bits(&s->pb, reorder_buffer[best][i], count[best][i]); if (best == 0) s->hdsp.put_pixels_tab[0][0](decoded, temp, stride, 16); } s->m.first_slice_line = 0; } return 0; }