static void new_video_stream(AVFormatContext *oc, int file_idx) { AVStream *st; AVOutputStream *ost; AVCodecContext *video_enc; enum CodecID codec_id; AVCodec *codec= NULL; st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0); if (!st) { fprintf(stderr, "Could not alloc stream\n"); ffmpeg_exit(1); } ost = new_output_stream(oc, file_idx); output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1); if(!video_stream_copy){ if (video_codec_name) { codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1, avcodec_opts[AVMEDIA_TYPE_VIDEO]->strict_std_compliance); codec = avcodec_find_encoder_by_name(video_codec_name); output_codecs[nb_output_codecs-1] = codec; } else { codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO); codec = avcodec_find_encoder(codec_id); } } avcodec_get_context_defaults3(st->codec, codec); ost->bitstream_filters = video_bitstream_filters; video_bitstream_filters= NULL; avcodec_thread_init(st->codec, thread_count); video_enc = st->codec; if(video_codec_tag) video_enc->codec_tag= video_codec_tag; if( (video_global_header&1) || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){ video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER; avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER; } if(video_global_header&2){ video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER; avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER; } if (video_stream_copy) { st->stream_copy = 1; video_enc->codec_type = AVMEDIA_TYPE_VIDEO; video_enc->sample_aspect_ratio = st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255); } else { const char *p; int i; AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1}; video_enc->codec_id = codec_id; set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec); if (codec && codec->supported_framerates && !force_fps) fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)]; video_enc->time_base.den = fps.num; video_enc->time_base.num = fps.den; video_enc->width = frame_width; video_enc->height = frame_height; video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255); video_enc->pix_fmt = frame_pix_fmt; st->sample_aspect_ratio = video_enc->sample_aspect_ratio; choose_pixel_fmt(st, codec); if (intra_only) video_enc->gop_size = 0; if (video_qscale || same_quality) { video_enc->flags |= CODEC_FLAG_QSCALE; video_enc->global_quality= st->quality = FF_QP2LAMBDA * video_qscale; } if(intra_matrix) video_enc->intra_matrix = intra_matrix; if(inter_matrix) video_enc->inter_matrix = inter_matrix; p= video_rc_override_string; for(i=0; p; i++){ int start, end, q; int e=sscanf(p, "%d,%d,%d", &start, &end, &q); if(e!=3){ fprintf(stderr, "error parsing rc_override\n"); ffmpeg_exit(1); } video_enc->rc_override= av_realloc(video_enc->rc_override, sizeof(RcOverride)*(i+1)); video_enc->rc_override[i].start_frame= start; video_enc->rc_override[i].end_frame = end; if(q>0){ video_enc->rc_override[i].qscale= q; video_enc->rc_override[i].quality_factor= 1.0; } else{ video_enc->rc_override[i].qscale= 0; video_enc->rc_override[i].quality_factor= -q/100.0; } p= strchr(p, '/'); if(p) p++; } video_enc->rc_override_count=i; if (!video_enc->rc_initial_buffer_occupancy) video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4; video_enc->me_threshold= me_threshold; video_enc->intra_dc_precision= intra_dc_precision - 8; if (do_psnr) video_enc->flags|= CODEC_FLAG_PSNR; /* two pass mode */ if (do_pass) { if (do_pass == 1) { video_enc->flags |= CODEC_FLAG_PASS1; } else { video_enc->flags |= CODEC_FLAG_PASS2; } } if (forced_key_frames) parse_forced_key_frames(forced_key_frames, ost, video_enc); } if (video_language) { av_metadata_set2(&st->metadata, "language", video_language, 0); av_freep(&video_language); } /* reset some key parameters */ video_disable = 0; av_freep(&video_codec_name); av_freep(&forced_key_frames); video_stream_copy = 0; frame_pix_fmt = PIX_FMT_NONE; }
static void new_video_stream(AVFormatContext *oc, int file_idx) { AVStream *st; AVOutputStream *ost; AVCodecContext *video_enc; enum CodecID codec_id; AVCodec *codec= NULL; st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0); if (!st) { fprintf(stderr, "Could not alloc stream\n"); ffmpeg_exit(1); } ost = new_output_stream(oc, file_idx); output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1); if(!video_stream_copy){ if (video_codec_name) { codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1, avcodec_opts[AVMEDIA_TYPE_VIDEO]->strict_std_compliance); codec = avcodec_find_encoder_by_name(video_codec_name); output_codecs[nb_output_codecs-1] = codec; } else { codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO); codec = avcodec_find_encoder(codec_id); } } avcodec_get_context_defaults3(st->codec, codec); ost->bitstream_filters = video_bitstream_filters; video_bitstream_filters= NULL; avcodec_thread_init(st->codec, thread_count); video_enc = st->codec; if(video_codec_tag) video_enc->codec_tag= video_codec_tag; if( (video_global_header&1) || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){ video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER; avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER; } if(video_global_header&2){ video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER; avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER; } if (video_stream_copy) { st->stream_copy = 1; video_enc->codec_type = AVMEDIA_TYPE_VIDEO; video_enc->sample_aspect_ratio = st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255); } else { const char *p; int i; AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1}; video_enc->codec_id = codec_id; set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec); if (codec && codec->supported_framerates && !force_fps) fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)]; video_enc->time_base.den = fps.num; video_enc->time_base.num = fps.den; video_enc->width = frame_width; video_enc->height = frame_height; video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255); video_enc->pix_fmt = frame_pix_fmt; st->sample_aspect_ratio = video_enc->sample_aspect_ratio; choose_pixel_fmt(st, codec); if (intra_only) video_enc->gop_size = 0; if (video_qscale || same_quality) { video_enc->flags |= CODEC_FLAG_QSCALE; video_enc->global_quality= st->quality = FF_QP2LAMBDA * video_qscale; } if(intra_matrix) video_enc->intra_matrix = intra_matrix; if(inter_matrix) video_enc->inter_matrix = inter_matrix; p= video_rc_override_string; for(i=0; p; i++){ int start, end, q; int e=sscanf(p, "%d,%d,%d", &start, &end, &q); if(e!=3){ fprintf(stderr, "error parsing rc_override\n"); ffmpeg_exit(1); } video_enc->rc_override= av_realloc(video_enc->rc_override, sizeof(RcOverride)*(i+1)); video_enc->rc_override[i].start_frame= start; video_enc->rc_override[i].end_frame = end; if(q>0){ video_enc->rc_override[i].qscale= q; video_enc->rc_override[i].quality_factor= 1.0; } else{ video_enc->rc_override[i].qscale= 0; video_enc->rc_override[i].quality_factor= -q/100.0; } p= strchr(p, '/'); if(p) p++; } video_enc->rc_override_count=i; if (!video_enc->rc_initial_buffer_occupancy) video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4; video_enc->me_threshold= me_threshold; video_enc->intra_dc_precision= intra_dc_precision - 8; if (do_psnr) video_enc->flags|= CODEC_FLAG_PSNR;   if (do_pass) { if (do_pass == 1) { video_enc->flags |= CODEC_FLAG_PASS1; } else { video_enc->flags |= CODEC_FLAG_PASS2; } } if (forced_key_frames) parse_forced_key_frames(forced_key_frames, ost, video_enc); } if (video_language) { av_metadata_set2(&st->metadata, "language", video_language, 0); av_freep(&video_language); }   video_disable = 0; av_freep(&video_codec_name); av_freep(&forced_key_frames); video_stream_copy = 0; frame_pix_fmt = PIX_FMT_NONE; }