av_cold int ff_MPV_encode_init(AVCodecContext *avctx) { MpegEncContext *s = avctx->priv_data; int i, ret; MPV_encode_defaults(s); switch (avctx->codec_id) { case AV_CODEC_ID_MPEG2VIDEO: if (avctx->pix_fmt != AV_PIX_FMT_YUV420P && avctx->pix_fmt != AV_PIX_FMT_YUV422P) { av_log(avctx, AV_LOG_ERROR, "only YUV420 and YUV422 are supported\n"); return -1; } break; case AV_CODEC_ID_MJPEG: case AV_CODEC_ID_AMV: if (avctx->pix_fmt != AV_PIX_FMT_YUVJ420P && avctx->pix_fmt != AV_PIX_FMT_YUVJ422P && avctx->pix_fmt != AV_PIX_FMT_YUVJ444P && ((avctx->pix_fmt != AV_PIX_FMT_YUV420P && avctx->pix_fmt != AV_PIX_FMT_YUV422P && avctx->pix_fmt != AV_PIX_FMT_YUV444P) || avctx->strict_std_compliance > FF_COMPLIANCE_UNOFFICIAL)) { av_log(avctx, AV_LOG_ERROR, "colorspace not supported in jpeg\n"); return -1; } break; default: if (avctx->pix_fmt != AV_PIX_FMT_YUV420P) { av_log(avctx, AV_LOG_ERROR, "only YUV420 is supported\n"); return -1; } } switch (avctx->pix_fmt) { case AV_PIX_FMT_YUVJ444P: case AV_PIX_FMT_YUV444P: s->chroma_format = CHROMA_444; break; case AV_PIX_FMT_YUVJ422P: case AV_PIX_FMT_YUV422P: s->chroma_format = CHROMA_422; break; case AV_PIX_FMT_YUVJ420P: case AV_PIX_FMT_YUV420P: default: s->chroma_format = CHROMA_420; break; } s->bit_rate = avctx->bit_rate; s->width = avctx->width; s->height = avctx->height; if (avctx->gop_size > 600 && avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) { av_log(avctx, AV_LOG_WARNING, "keyframe interval too large!, reducing it from %d to %d\n", avctx->gop_size, 600); avctx->gop_size = 600; } s->gop_size = avctx->gop_size; s->avctx = avctx; s->flags = avctx->flags; s->flags2 = avctx->flags2; if (avctx->max_b_frames > MAX_B_FRAMES) { av_log(avctx, AV_LOG_ERROR, "Too many B-frames requested, maximum " "is %d.\n", MAX_B_FRAMES); avctx->max_b_frames = MAX_B_FRAMES; } s->max_b_frames = avctx->max_b_frames; s->codec_id = avctx->codec->id; s->strict_std_compliance = avctx->strict_std_compliance; s->quarter_sample = (avctx->flags & CODEC_FLAG_QPEL) != 0; s->mpeg_quant = avctx->mpeg_quant; s->rtp_mode = !!avctx->rtp_payload_size; s->intra_dc_precision = avctx->intra_dc_precision; s->user_specified_pts = AV_NOPTS_VALUE; if (s->gop_size <= 1) { s->intra_only = 1; s->gop_size = 12; } else { s->intra_only = 0; } s->me_method = avctx->me_method; /* Fixed QSCALE */ s->fixed_qscale = !!(avctx->flags & CODEC_FLAG_QSCALE); s->adaptive_quant = (s->avctx->lumi_masking || s->avctx->dark_masking || s->avctx->temporal_cplx_masking || s->avctx->spatial_cplx_masking || s->avctx->p_masking || s->avctx->border_masking || (s->mpv_flags & FF_MPV_FLAG_QP_RD)) && !s->fixed_qscale; s->loop_filter = !!(s->flags & CODEC_FLAG_LOOP_FILTER); if (avctx->rc_max_rate && !avctx->rc_buffer_size) { switch(avctx->codec_id) { case AV_CODEC_ID_MPEG1VIDEO: case AV_CODEC_ID_MPEG2VIDEO: avctx->rc_buffer_size = FFMAX(avctx->rc_max_rate, 15000000) * 112L / 15000000 * 16384; break; case AV_CODEC_ID_MPEG4: case AV_CODEC_ID_MSMPEG4V1: case AV_CODEC_ID_MSMPEG4V2: case AV_CODEC_ID_MSMPEG4V3: if (avctx->rc_max_rate >= 15000000) { avctx->rc_buffer_size = 320 + (avctx->rc_max_rate - 15000000L) * (760-320) / (38400000 - 15000000); } else if(avctx->rc_max_rate >= 2000000) { avctx->rc_buffer_size = 80 + (avctx->rc_max_rate - 2000000L) * (320- 80) / (15000000 - 2000000); } else if(avctx->rc_max_rate >= 384000) { avctx->rc_buffer_size = 40 + (avctx->rc_max_rate - 384000L) * ( 80- 40) / ( 2000000 - 384000); } else avctx->rc_buffer_size = 40; avctx->rc_buffer_size *= 16384; break; } if (avctx->rc_buffer_size) { av_log(avctx, AV_LOG_INFO, "Automatically choosing VBV buffer size of %d kbyte\n", avctx->rc_buffer_size/8192); } } if ((!avctx->rc_max_rate) != (!avctx->rc_buffer_size)) { av_log(avctx, AV_LOG_ERROR, "Either both buffer size and max rate or neither must be specified\n"); if (avctx->rc_max_rate && !avctx->rc_buffer_size) return -1; } if (avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate) { av_log(avctx, AV_LOG_INFO, "Warning min_rate > 0 but min_rate != max_rate isn't recommended!\n"); } if (avctx->rc_min_rate && avctx->rc_min_rate > avctx->bit_rate) { av_log(avctx, AV_LOG_ERROR, "bitrate below min bitrate\n"); return -1; } if (avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate) { av_log(avctx, AV_LOG_ERROR, "bitrate above max bitrate\n"); return -1; } if (avctx->rc_max_rate && avctx->rc_max_rate == avctx->bit_rate && avctx->rc_max_rate != avctx->rc_min_rate) { av_log(avctx, AV_LOG_INFO, "impossible bitrate constraints, this will fail\n"); } if (avctx->rc_buffer_size && avctx->bit_rate * (int64_t)avctx->time_base.num > avctx->rc_buffer_size * (int64_t)avctx->time_base.den) { av_log(avctx, AV_LOG_ERROR, "VBV buffer too small for bitrate\n"); return -1; } if (!s->fixed_qscale && avctx->bit_rate * av_q2d(avctx->time_base) > avctx->bit_rate_tolerance) { av_log(avctx, AV_LOG_ERROR, "bitrate tolerance %d too small for bitrate %d\n", avctx->bit_rate_tolerance, avctx->bit_rate); return -1; } if (s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate && (s->codec_id == AV_CODEC_ID_MPEG1VIDEO || s->codec_id == AV_CODEC_ID_MPEG2VIDEO) && 90000LL * (avctx->rc_buffer_size - 1) > s->avctx->rc_max_rate * 0xFFFFLL) { av_log(avctx, AV_LOG_INFO, "Warning vbv_delay will be set to 0xFFFF (=VBR) as the " "specified vbv buffer is too large for the given bitrate!\n"); } if ((s->flags & CODEC_FLAG_4MV) && s->codec_id != AV_CODEC_ID_MPEG4 && s->codec_id != AV_CODEC_ID_H263 && s->codec_id != AV_CODEC_ID_H263P && s->codec_id != AV_CODEC_ID_FLV1) { av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n"); return -1; } if (s->obmc && s->avctx->mb_decision != FF_MB_DECISION_SIMPLE) { av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with simple mb decision\n"); return -1; } if (s->quarter_sample && s->codec_id != AV_CODEC_ID_MPEG4) { av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n"); return -1; } if (s->max_b_frames && s->codec_id != AV_CODEC_ID_MPEG4 && s->codec_id != AV_CODEC_ID_MPEG1VIDEO && s->codec_id != AV_CODEC_ID_MPEG2VIDEO) { av_log(avctx, AV_LOG_ERROR, "b frames not supported by codec\n"); return -1; } if (s->max_b_frames < 0) { av_log(avctx, AV_LOG_ERROR, "max b frames must be 0 or positive for mpegvideo based encoders\n"); return -1; } if ((s->codec_id == AV_CODEC_ID_MPEG4 || s->codec_id == AV_CODEC_ID_H263 || s->codec_id == AV_CODEC_ID_H263P) && (avctx->sample_aspect_ratio.num > 255 || avctx->sample_aspect_ratio.den > 255)) { av_log(avctx, AV_LOG_WARNING, "Invalid pixel aspect ratio %i/%i, limit is 255/255 reducing\n", avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den); av_reduce(&avctx->sample_aspect_ratio.num, &avctx->sample_aspect_ratio.den, avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 255); } if ((s->codec_id == AV_CODEC_ID_H263 || s->codec_id == AV_CODEC_ID_H263P) && (avctx->width > 2048 || avctx->height > 1152 )) { av_log(avctx, AV_LOG_ERROR, "H.263 does not support resolutions above 2048x1152\n"); return -1; } if ((s->codec_id == AV_CODEC_ID_H263 || s->codec_id == AV_CODEC_ID_H263P) && ((avctx->width &3) || (avctx->height&3) )) { av_log(avctx, AV_LOG_ERROR, "w/h must be a multiple of 4\n"); return -1; } if (s->codec_id == AV_CODEC_ID_MPEG1VIDEO && (avctx->width > 4095 || avctx->height > 4095 )) { av_log(avctx, AV_LOG_ERROR, "MPEG-1 does not support resolutions above 4095x4095\n"); return -1; } if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO && (avctx->width > 16383 || avctx->height > 16383 )) { av_log(avctx, AV_LOG_ERROR, "MPEG-2 does not support resolutions above 16383x16383\n"); return -1; } if (s->codec_id == AV_CODEC_ID_RV10 && (avctx->width &15 || avctx->height&15 )) { av_log(avctx, AV_LOG_ERROR, "width and height must be a multiple of 16\n"); return AVERROR(EINVAL); } if (s->codec_id == AV_CODEC_ID_RV20 && (avctx->width &3 || avctx->height&3 )) { av_log(avctx, AV_LOG_ERROR, "width and height must be a multiple of 4\n"); return AVERROR(EINVAL); } if ((s->codec_id == AV_CODEC_ID_WMV1 || s->codec_id == AV_CODEC_ID_WMV2) && avctx->width & 1) { av_log(avctx, AV_LOG_ERROR, "width must be multiple of 2\n"); return -1; } if ((s->flags & (CODEC_FLAG_INTERLACED_DCT | CODEC_FLAG_INTERLACED_ME)) && s->codec_id != AV_CODEC_ID_MPEG4 && s->codec_id != AV_CODEC_ID_MPEG2VIDEO) { av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n"); return -1; } // FIXME mpeg2 uses that too if (s->mpeg_quant && ( s->codec_id != AV_CODEC_ID_MPEG4 && s->codec_id != AV_CODEC_ID_MPEG2VIDEO)) { av_log(avctx, AV_LOG_ERROR, "mpeg2 style quantization not supported by codec\n"); return -1; } if ((s->mpv_flags & FF_MPV_FLAG_CBP_RD) && !avctx->trellis) { av_log(avctx, AV_LOG_ERROR, "CBP RD needs trellis quant\n"); return -1; } if ((s->mpv_flags & FF_MPV_FLAG_QP_RD) && s->avctx->mb_decision != FF_MB_DECISION_RD) { av_log(avctx, AV_LOG_ERROR, "QP RD needs mbd=2\n"); return -1; } if (s->avctx->scenechange_threshold < 1000000000 && (s->flags & CODEC_FLAG_CLOSED_GOP)) { av_log(avctx, AV_LOG_ERROR, "closed gop with scene change detection are not supported yet, " "set threshold to 1000000000\n"); return -1; } if (s->flags & CODEC_FLAG_LOW_DELAY) { if (s->codec_id != AV_CODEC_ID_MPEG2VIDEO) { av_log(avctx, AV_LOG_ERROR, "low delay forcing is only available for mpeg2\n"); return -1; } if (s->max_b_frames != 0) { av_log(avctx, AV_LOG_ERROR, "b frames cannot be used with low delay\n"); return -1; } } if (s->q_scale_type == 1) { if (avctx->qmax > 12) { av_log(avctx, AV_LOG_ERROR, "non linear quant only supports qmax <= 12 currently\n"); return -1; } } if (s->avctx->thread_count > 1 && s->codec_id != AV_CODEC_ID_MPEG4 && s->codec_id != AV_CODEC_ID_MPEG1VIDEO && s->codec_id != AV_CODEC_ID_MPEG2VIDEO && s->codec_id != AV_CODEC_ID_MJPEG && (s->codec_id != AV_CODEC_ID_H263P)) { av_log(avctx, AV_LOG_ERROR, "multi threaded encoding not supported by codec\n"); return -1; } if (s->avctx->thread_count < 1) { av_log(avctx, AV_LOG_ERROR, "automatic thread number detection not supported by codec, " "patch welcome\n"); return -1; } if (s->avctx->slices > 1 || s->avctx->thread_count > 1) s->rtp_mode = 1; if (s->avctx->thread_count > 1 && s->codec_id == AV_CODEC_ID_H263P) s->h263_slice_structured = 1; if (!avctx->time_base.den || !avctx->time_base.num) { av_log(avctx, AV_LOG_ERROR, "framerate not set\n"); return -1; } i = (INT_MAX / 2 + 128) >> 8; if (avctx->mb_threshold >= i) { av_log(avctx, AV_LOG_ERROR, "mb_threshold too large, max is %d\n", i - 1); return -1; } if (avctx->b_frame_strategy && (avctx->flags & CODEC_FLAG_PASS2)) { av_log(avctx, AV_LOG_INFO, "notice: b_frame_strategy only affects the first pass\n"); avctx->b_frame_strategy = 0; } i = av_gcd(avctx->time_base.den, avctx->time_base.num); if (i > 1) { av_log(avctx, AV_LOG_INFO, "removing common factors from framerate\n"); avctx->time_base.den /= i; avctx->time_base.num /= i; //return -1; } if (s->mpeg_quant || s->codec_id == AV_CODEC_ID_MPEG1VIDEO || s->codec_id == AV_CODEC_ID_MPEG2VIDEO || s->codec_id == AV_CODEC_ID_MJPEG || s->codec_id==AV_CODEC_ID_AMV) { // (a + x * 3 / 8) / x s->intra_quant_bias = 3 << (QUANT_BIAS_SHIFT - 3); s->inter_quant_bias = 0; } else { s->intra_quant_bias = 0; // (a - x / 4) / x s->inter_quant_bias = -(1 << (QUANT_BIAS_SHIFT - 2)); } if (avctx->qmin > avctx->qmax || avctx->qmin <= 0) { av_log(avctx, AV_LOG_ERROR, "qmin and or qmax are invalid, they must be 0 < min <= max\n"); return AVERROR(EINVAL); } if (avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS) s->intra_quant_bias = avctx->intra_quant_bias; if (avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS) s->inter_quant_bias = avctx->inter_quant_bias; av_log(avctx, AV_LOG_DEBUG, "intra_quant_bias = %d inter_quant_bias = %d\n",s->intra_quant_bias,s->inter_quant_bias); if (avctx->codec_id == AV_CODEC_ID_MPEG4 && s->avctx->time_base.den > (1 << 16) - 1) { av_log(avctx, AV_LOG_ERROR, "timebase %d/%d not supported by MPEG 4 standard, " "the maximum admitted value for the timebase denominator " "is %d\n", s->avctx->time_base.num, s->avctx->time_base.den, (1 << 16) - 1); return -1; } s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1; switch (avctx->codec->id) { case AV_CODEC_ID_MPEG1VIDEO: s->out_format = FMT_MPEG1; s->low_delay = !!(s->flags & CODEC_FLAG_LOW_DELAY); avctx->delay = s->low_delay ? 0 : (s->max_b_frames + 1); break; case AV_CODEC_ID_MPEG2VIDEO: s->out_format = FMT_MPEG1; s->low_delay = !!(s->flags & CODEC_FLAG_LOW_DELAY); avctx->delay = s->low_delay ? 0 : (s->max_b_frames + 1); s->rtp_mode = 1; break; case AV_CODEC_ID_MJPEG: case AV_CODEC_ID_AMV: s->out_format = FMT_MJPEG; s->intra_only = 1; /* force intra only for jpeg */ if (!CONFIG_MJPEG_ENCODER || ff_mjpeg_encode_init(s) < 0) return -1; avctx->delay = 0; s->low_delay = 1; break; case AV_CODEC_ID_H261: if (!CONFIG_H261_ENCODER) return -1; if (ff_h261_get_picture_format(s->width, s->height) < 0) { av_log(avctx, AV_LOG_ERROR, "The specified picture size of %dx%d is not valid for the " "H.261 codec.\nValid sizes are 176x144, 352x288\n", s->width, s->height); return -1; } s->out_format = FMT_H261; avctx->delay = 0; s->low_delay = 1; break; case AV_CODEC_ID_H263: if (!CONFIG_H263_ENCODER) return -1; if (ff_match_2uint16(ff_h263_format, FF_ARRAY_ELEMS(ff_h263_format), s->width, s->height) == 8) { av_log(avctx, AV_LOG_ERROR, "The specified picture size of %dx%d is not valid for " "the H.263 codec.\nValid sizes are 128x96, 176x144, " "352x288, 704x576, and 1408x1152. " "Try H.263+.\n", s->width, s->height); return -1; } s->out_format = FMT_H263; avctx->delay = 0; s->low_delay = 1; break; case AV_CODEC_ID_H263P: s->out_format = FMT_H263; s->h263_plus = 1; /* Fx */ s->h263_aic = (avctx->flags & CODEC_FLAG_AC_PRED) ? 1 : 0; s->modified_quant = s->h263_aic; s->loop_filter = (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1 : 0; s->unrestricted_mv = s->obmc || s->loop_filter || s->umvplus; /* /Fx */ /* These are just to be sure */ avctx->delay = 0; s->low_delay = 1; break; case AV_CODEC_ID_FLV1: s->out_format = FMT_H263; s->h263_flv = 2; /* format = 1; 11-bit codes */ s->unrestricted_mv = 1; s->rtp_mode = 0; /* don't allow GOB */ avctx->delay = 0; s->low_delay = 1; break; case AV_CODEC_ID_RV10: s->out_format = FMT_H263; avctx->delay = 0; s->low_delay = 1; break; case AV_CODEC_ID_RV20: s->out_format = FMT_H263; avctx->delay = 0; s->low_delay = 1; s->modified_quant = 1; s->h263_aic = 1; s->h263_plus = 1; s->loop_filter = 1; s->unrestricted_mv = 0; break; case AV_CODEC_ID_MPEG4: s->out_format = FMT_H263; s->h263_pred = 1; s->unrestricted_mv = 1; s->low_delay = s->max_b_frames ? 0 : 1; avctx->delay = s->low_delay ? 0 : (s->max_b_frames + 1); break; case AV_CODEC_ID_MSMPEG4V2: s->out_format = FMT_H263; s->h263_pred = 1; s->unrestricted_mv = 1; s->msmpeg4_version = 2; avctx->delay = 0; s->low_delay = 1; break; case AV_CODEC_ID_MSMPEG4V3: s->out_format = FMT_H263; s->h263_pred = 1; s->unrestricted_mv = 1; s->msmpeg4_version = 3; s->flipflop_rounding = 1; avctx->delay = 0; s->low_delay = 1; break; case AV_CODEC_ID_WMV1: s->out_format = FMT_H263; s->h263_pred = 1; s->unrestricted_mv = 1; s->msmpeg4_version = 4; s->flipflop_rounding = 1; avctx->delay = 0; s->low_delay = 1; break; case AV_CODEC_ID_WMV2: s->out_format = FMT_H263; s->h263_pred = 1; s->unrestricted_mv = 1; s->msmpeg4_version = 5; s->flipflop_rounding = 1; avctx->delay = 0; s->low_delay = 1; break; default: return -1; } avctx->has_b_frames = !s->low_delay; s->encoding = 1; s->progressive_frame = s->progressive_sequence = !(avctx->flags & (CODEC_FLAG_INTERLACED_DCT | CODEC_FLAG_INTERLACED_ME) || s->alternate_scan); /* init */ if (ff_MPV_common_init(s) < 0) return -1; s->avctx->coded_frame = s->current_picture.f; if (s->msmpeg4_version) { FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_stats, 2 * 2 * (MAX_LEVEL + 1) * (MAX_RUN + 1) * 2 * sizeof(int), fail); } FF_ALLOCZ_OR_GOTO(s->avctx, s->avctx->stats_out, 256, fail); FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix, 64 * 32 * sizeof(int), fail); FF_ALLOCZ_OR_GOTO(s->avctx, s->q_chroma_intra_matrix, 64 * 32 * sizeof(int), fail); FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix, 64 * 32 * sizeof(int), fail); FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail); FF_ALLOCZ_OR_GOTO(s->avctx, s->q_chroma_intra_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail); FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail); FF_ALLOCZ_OR_GOTO(s->avctx, s->input_picture, MAX_PICTURE_COUNT * sizeof(Picture *), fail); FF_ALLOCZ_OR_GOTO(s->avctx, s->reordered_input_picture, MAX_PICTURE_COUNT * sizeof(Picture *), fail); if (s->avctx->noise_reduction) { FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_offset, 2 * 64 * sizeof(uint16_t), fail); } ff_dct_encode_init(s); if ((CONFIG_H263P_ENCODER || CONFIG_RV20_ENCODER) && s->modified_quant) s->chroma_qscale_table = ff_h263_chroma_qscale_table; s->quant_precision = 5; ff_set_cmp(&s->dsp, s->dsp.ildct_cmp, s->avctx->ildct_cmp); ff_set_cmp(&s->dsp, s->dsp.frame_skip_cmp, s->avctx->frame_skip_cmp); if (CONFIG_H261_ENCODER && s->out_format == FMT_H261) ff_h261_encode_init(s); if (CONFIG_H263_ENCODER && s->out_format == FMT_H263) ff_h263_encode_init(s); if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version) ff_msmpeg4_encode_init(s); if ((CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER) && s->out_format == FMT_MPEG1) ff_mpeg1_encode_init(s); /* init q matrix */ for (i = 0; i < 64; i++) { int j = s->dsp.idct_permutation[i]; if (CONFIG_MPEG4_ENCODER && s->codec_id == AV_CODEC_ID_MPEG4 && s->mpeg_quant) { s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i]; s->inter_matrix[j] = ff_mpeg4_default_non_intra_matrix[i]; } else if (s->out_format == FMT_H263 || s->out_format == FMT_H261) { s->intra_matrix[j] = s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i]; } else { /* mpeg1/2 */ s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i]; s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i]; } if (s->avctx->intra_matrix) s->intra_matrix[j] = s->avctx->intra_matrix[i]; if (s->avctx->inter_matrix) s->inter_matrix[j] = s->avctx->inter_matrix[i]; } /* precompute matrix */ /* for mjpeg, we do include qscale in the matrix */ if (s->out_format != FMT_MJPEG) { ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16, s->intra_matrix, s->intra_quant_bias, avctx->qmin, 31, 1); ff_convert_matrix(&s->dsp, s->q_inter_matrix, s->q_inter_matrix16, s->inter_matrix, s->inter_quant_bias, avctx->qmin, 31, 0); } if (ff_rate_control_init(s) < 0) return -1; #if FF_API_ERROR_RATE FF_DISABLE_DEPRECATION_WARNINGS if (avctx->error_rate) s->error_rate = avctx->error_rate; FF_ENABLE_DEPRECATION_WARNINGS; #endif if (avctx->b_frame_strategy == 2) { for (i = 0; i < s->max_b_frames + 2; i++) { s->tmp_frames[i] = av_frame_alloc(); if (!s->tmp_frames[i]) return AVERROR(ENOMEM); s->tmp_frames[i]->format = AV_PIX_FMT_YUV420P; s->tmp_frames[i]->width = s->width >> avctx->brd_scale; s->tmp_frames[i]->height = s->height >> avctx->brd_scale; ret = av_frame_get_buffer(s->tmp_frames[i], 32); if (ret < 0) return ret; } } return 0; fail: ff_MPV_encode_end(avctx); return AVERROR_UNKNOWN; }