diff options
Diffstat (limited to 'ffmpeg1/libavformat/avienc.c')
| -rw-r--r-- | ffmpeg1/libavformat/avienc.c | 663 |
1 files changed, 0 insertions, 663 deletions
diff --git a/ffmpeg1/libavformat/avienc.c b/ffmpeg1/libavformat/avienc.c deleted file mode 100644 index 15f0794..0000000 --- a/ffmpeg1/libavformat/avienc.c +++ /dev/null @@ -1,663 +0,0 @@ -/* - * AVI muxer - * Copyright (c) 2000 Fabrice Bellard - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -//#define DEBUG - -#include "avformat.h" -#include "internal.h" -#include "avi.h" -#include "avio_internal.h" -#include "riff.h" -#include "libavutil/intreadwrite.h" -#include "libavutil/dict.h" -#include "libavutil/avassert.h" -#include "libavutil/timestamp.h" - -/* - * TODO: - * - fill all fields if non streamed (nb_frames for example) - */ - -typedef struct AVIIentry { - unsigned int flags, pos, len; -} AVIIentry; - -#define AVI_INDEX_CLUSTER_SIZE 16384 - -typedef struct AVIIndex { - int64_t indx_start; - int entry; - int ents_allocated; - AVIIentry** cluster; -} AVIIndex; - -typedef struct { - int64_t riff_start, movi_list, odml_list; - int64_t frames_hdr_all; - int riff_id; -} AVIContext; - -typedef struct { - int64_t frames_hdr_strm; - int audio_strm_length; - int packet_count; - int entry; - - AVIIndex indexes; -} AVIStream ; - -static inline AVIIentry* avi_get_ientry(AVIIndex* idx, int ent_id) -{ - int cl = ent_id / AVI_INDEX_CLUSTER_SIZE; - int id = ent_id % AVI_INDEX_CLUSTER_SIZE; - return &idx->cluster[cl][id]; -} - -static int64_t avi_start_new_riff(AVFormatContext *s, AVIOContext *pb, - const char* riff_tag, const char* list_tag) -{ - AVIContext *avi= s->priv_data; - int64_t loff; - int i; - - avi->riff_id++; - for (i=0; i<s->nb_streams; i++){ - AVIStream *avist= s->streams[i]->priv_data; - avist->indexes.entry = 0; - } - - avi->riff_start = ff_start_tag(pb, "RIFF"); - ffio_wfourcc(pb, riff_tag); - loff = ff_start_tag(pb, "LIST"); - ffio_wfourcc(pb, list_tag); - return loff; -} - -static char* avi_stream2fourcc(char* tag, int index, enum AVMediaType type) -{ - tag[0] = '0' + index/10; - tag[1] = '0' + index%10; - if (type == AVMEDIA_TYPE_VIDEO) { - tag[2] = 'd'; - tag[3] = 'c'; - } else if (type == AVMEDIA_TYPE_SUBTITLE) { - // note: this is not an official code - tag[2] = 's'; - tag[3] = 'b'; - } else { - tag[2] = 'w'; - tag[3] = 'b'; - } - tag[4] = '\0'; - return tag; -} - -static int avi_write_counters(AVFormatContext* s, int riff_id) -{ - AVIOContext *pb = s->pb; - AVIContext *avi = s->priv_data; - int n, au_byterate, au_ssize, au_scale, nb_frames = 0; - int64_t file_size; - AVCodecContext* stream; - - file_size = avio_tell(pb); - for(n = 0; n < s->nb_streams; n++) { - AVIStream *avist= s->streams[n]->priv_data; - - av_assert0(avist->frames_hdr_strm); - stream = s->streams[n]->codec; - avio_seek(pb, avist->frames_hdr_strm, SEEK_SET); - ff_parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale); - if(au_ssize == 0) { - avio_wl32(pb, avist->packet_count); - } else { - avio_wl32(pb, avist->audio_strm_length / au_ssize); - } - if(stream->codec_type == AVMEDIA_TYPE_VIDEO) - nb_frames = FFMAX(nb_frames, avist->packet_count); - } - if(riff_id == 1) { - av_assert0(avi->frames_hdr_all); - avio_seek(pb, avi->frames_hdr_all, SEEK_SET); - avio_wl32(pb, nb_frames); - } - avio_seek(pb, file_size, SEEK_SET); - - return 0; -} - -static int avi_write_header(AVFormatContext *s) -{ - AVIContext *avi = s->priv_data; - AVIOContext *pb = s->pb; - int bitrate, n, i, nb_frames, au_byterate, au_ssize, au_scale; - AVCodecContext *stream, *video_enc; - int64_t list1, list2, strh, strf; - AVDictionaryEntry *t = NULL; - - if (s->nb_streams > AVI_MAX_STREAM_COUNT) { - av_log(s, AV_LOG_ERROR, "AVI does not support >%d streams\n", - AVI_MAX_STREAM_COUNT); - return AVERROR(EINVAL); - } - - for(n=0;n<s->nb_streams;n++) { - s->streams[n]->priv_data= av_mallocz(sizeof(AVIStream)); - if(!s->streams[n]->priv_data) - return AVERROR(ENOMEM); - } - - /* header list */ - avi->riff_id = 0; - list1 = avi_start_new_riff(s, pb, "AVI ", "hdrl"); - - /* avi header */ - ffio_wfourcc(pb, "avih"); - avio_wl32(pb, 14 * 4); - bitrate = 0; - - video_enc = NULL; - for(n=0;n<s->nb_streams;n++) { - stream = s->streams[n]->codec; - bitrate += stream->bit_rate; - if (stream->codec_type == AVMEDIA_TYPE_VIDEO) - video_enc = stream; - } - - nb_frames = 0; - - if(video_enc){ - avio_wl32(pb, (uint32_t)(INT64_C(1000000) * video_enc->time_base.num / video_enc->time_base.den)); - } else { - avio_wl32(pb, 0); - } - avio_wl32(pb, bitrate / 8); /* XXX: not quite exact */ - avio_wl32(pb, 0); /* padding */ - if (!pb->seekable) - avio_wl32(pb, AVIF_TRUSTCKTYPE | AVIF_ISINTERLEAVED); /* flags */ - else - avio_wl32(pb, AVIF_TRUSTCKTYPE | AVIF_HASINDEX | AVIF_ISINTERLEAVED); /* flags */ - avi->frames_hdr_all = avio_tell(pb); /* remember this offset to fill later */ - avio_wl32(pb, nb_frames); /* nb frames, filled later */ - avio_wl32(pb, 0); /* initial frame */ - avio_wl32(pb, s->nb_streams); /* nb streams */ - avio_wl32(pb, 1024 * 1024); /* suggested buffer size */ - if(video_enc){ - avio_wl32(pb, video_enc->width); - avio_wl32(pb, video_enc->height); - } else { - avio_wl32(pb, 0); - avio_wl32(pb, 0); - } - avio_wl32(pb, 0); /* reserved */ - avio_wl32(pb, 0); /* reserved */ - avio_wl32(pb, 0); /* reserved */ - avio_wl32(pb, 0); /* reserved */ - - /* stream list */ - for(i=0;i<n;i++) { - AVIStream *avist= s->streams[i]->priv_data; - list2 = ff_start_tag(pb, "LIST"); - ffio_wfourcc(pb, "strl"); - - stream = s->streams[i]->codec; - - /* stream generic header */ - strh = ff_start_tag(pb, "strh"); - switch(stream->codec_type) { - case AVMEDIA_TYPE_SUBTITLE: - // XSUB subtitles behave like video tracks, other subtitles - // are not (yet) supported. - if (stream->codec_id != AV_CODEC_ID_XSUB) { - av_log(s, AV_LOG_ERROR, "Subtitle streams other than DivX XSUB are not supported by the AVI muxer.\n"); - return AVERROR_PATCHWELCOME; - } - case AVMEDIA_TYPE_VIDEO: ffio_wfourcc(pb, "vids"); break; - case AVMEDIA_TYPE_AUDIO: ffio_wfourcc(pb, "auds"); break; -// case AVMEDIA_TYPE_TEXT : ffio_wfourcc(pb, "txts"); break; - case AVMEDIA_TYPE_DATA : ffio_wfourcc(pb, "dats"); break; - } - if(stream->codec_type == AVMEDIA_TYPE_VIDEO || - stream->codec_id == AV_CODEC_ID_XSUB) - avio_wl32(pb, stream->codec_tag); - else - avio_wl32(pb, 1); - avio_wl32(pb, 0); /* flags */ - avio_wl16(pb, 0); /* priority */ - avio_wl16(pb, 0); /* language */ - avio_wl32(pb, 0); /* initial frame */ - - ff_parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale); - - if ( stream->codec_type == AVMEDIA_TYPE_VIDEO - && stream->codec_id != AV_CODEC_ID_XSUB - && au_byterate > 1000LL*au_scale) { - au_byterate = 600; - au_scale = 1; - } - avpriv_set_pts_info(s->streams[i], 64, au_scale, au_byterate); - if(stream->codec_id == AV_CODEC_ID_XSUB) - au_scale = au_byterate = 0; - - avio_wl32(pb, au_scale); /* scale */ - avio_wl32(pb, au_byterate); /* rate */ - - avio_wl32(pb, 0); /* start */ - avist->frames_hdr_strm = avio_tell(pb); /* remember this offset to fill later */ - if (!pb->seekable) - avio_wl32(pb, AVI_MAX_RIFF_SIZE); /* FIXME: this may be broken, but who cares */ - else - avio_wl32(pb, 0); /* length, XXX: filled later */ - - /* suggested buffer size */ //FIXME set at the end to largest chunk - if(stream->codec_type == AVMEDIA_TYPE_VIDEO) - avio_wl32(pb, 1024 * 1024); - else if(stream->codec_type == AVMEDIA_TYPE_AUDIO) - avio_wl32(pb, 12 * 1024); - else - avio_wl32(pb, 0); - avio_wl32(pb, -1); /* quality */ - avio_wl32(pb, au_ssize); /* sample size */ - avio_wl32(pb, 0); - avio_wl16(pb, stream->width); - avio_wl16(pb, stream->height); - ff_end_tag(pb, strh); - - if(stream->codec_type != AVMEDIA_TYPE_DATA){ - int ret; - - strf = ff_start_tag(pb, "strf"); - switch(stream->codec_type) { - case AVMEDIA_TYPE_SUBTITLE: - // XSUB subtitles behave like video tracks, other subtitles - // are not (yet) supported. - if (stream->codec_id != AV_CODEC_ID_XSUB) break; - case AVMEDIA_TYPE_VIDEO: - ff_put_bmp_header(pb, stream, ff_codec_bmp_tags, 0); - break; - case AVMEDIA_TYPE_AUDIO: - if ((ret = ff_put_wav_header(pb, stream)) < 0) { - return ret; - } - break; - default: - av_log(s, AV_LOG_ERROR, - "Invalid or not supported codec type '%s' found in the input\n", - (char *)av_x_if_null(av_get_media_type_string(stream->codec_type), "?")); - return AVERROR(EINVAL); - } - ff_end_tag(pb, strf); - if ((t = av_dict_get(s->streams[i]->metadata, "title", NULL, 0))) { - ff_riff_write_info_tag(s->pb, "strn", t->value); - t = NULL; - } - } - - if (pb->seekable) { - unsigned char tag[5]; - int j; - - /* Starting to lay out AVI OpenDML master index. - * We want to make it JUNK entry for now, since we'd - * like to get away without making AVI an OpenDML one - * for compatibility reasons. - */ - avist->indexes.entry = avist->indexes.ents_allocated = 0; - avist->indexes.indx_start = ff_start_tag(pb, "JUNK"); - avio_wl16(pb, 4); /* wLongsPerEntry */ - avio_w8(pb, 0); /* bIndexSubType (0 == frame index) */ - avio_w8(pb, 0); /* bIndexType (0 == AVI_INDEX_OF_INDEXES) */ - avio_wl32(pb, 0); /* nEntriesInUse (will fill out later on) */ - ffio_wfourcc(pb, avi_stream2fourcc(tag, i, stream->codec_type)); - /* dwChunkId */ - avio_wl64(pb, 0); /* dwReserved[3] - avio_wl32(pb, 0); Must be 0. */ - for (j=0; j < AVI_MASTER_INDEX_SIZE * 2; j++) - avio_wl64(pb, 0); - ff_end_tag(pb, avist->indexes.indx_start); - } - - if( stream->codec_type == AVMEDIA_TYPE_VIDEO - && s->streams[i]->sample_aspect_ratio.num>0 - && s->streams[i]->sample_aspect_ratio.den>0){ - int vprp= ff_start_tag(pb, "vprp"); - AVRational dar = av_mul_q(s->streams[i]->sample_aspect_ratio, - (AVRational){stream->width, stream->height}); - int num, den; - av_reduce(&num, &den, dar.num, dar.den, 0xFFFF); - - avio_wl32(pb, 0); //video format = unknown - avio_wl32(pb, 0); //video standard= unknown - avio_wl32(pb, lrintf(1.0/av_q2d(stream->time_base))); - avio_wl32(pb, stream->width ); - avio_wl32(pb, stream->height); - avio_wl16(pb, den); - avio_wl16(pb, num); - avio_wl32(pb, stream->width ); - avio_wl32(pb, stream->height); - avio_wl32(pb, 1); //progressive FIXME - - avio_wl32(pb, stream->height); - avio_wl32(pb, stream->width ); - avio_wl32(pb, stream->height); - avio_wl32(pb, stream->width ); - avio_wl32(pb, 0); - avio_wl32(pb, 0); - - avio_wl32(pb, 0); - avio_wl32(pb, 0); - ff_end_tag(pb, vprp); - } - - ff_end_tag(pb, list2); - } - - if (pb->seekable) { - /* AVI could become an OpenDML one, if it grows beyond 2Gb range */ - avi->odml_list = ff_start_tag(pb, "JUNK"); - ffio_wfourcc(pb, "odml"); - ffio_wfourcc(pb, "dmlh"); - avio_wl32(pb, 248); - for (i = 0; i < 248; i+= 4) - avio_wl32(pb, 0); - ff_end_tag(pb, avi->odml_list); - } - - ff_end_tag(pb, list1); - - ff_riff_write_info(s); - - /* some padding for easier tag editing */ - list2 = ff_start_tag(pb, "JUNK"); - for (i = 0; i < 1016; i += 4) - avio_wl32(pb, 0); - ff_end_tag(pb, list2); - - avi->movi_list = ff_start_tag(pb, "LIST"); - ffio_wfourcc(pb, "movi"); - - avio_flush(pb); - - return 0; -} - -static int avi_write_ix(AVFormatContext *s) -{ - AVIOContext *pb = s->pb; - AVIContext *avi = s->priv_data; - char tag[5]; - char ix_tag[] = "ix00"; - int i, j; - - av_assert0(pb->seekable); - - if (avi->riff_id > AVI_MASTER_INDEX_SIZE) { - av_log(s, AV_LOG_ERROR, "Invalid riff index %d > %d\n", - avi->riff_id, AVI_MASTER_INDEX_SIZE); - return AVERROR(EINVAL); - } - - for (i=0;i<s->nb_streams;i++) { - AVIStream *avist= s->streams[i]->priv_data; - int64_t ix, pos; - - avi_stream2fourcc(tag, i, s->streams[i]->codec->codec_type); - ix_tag[3] = '0' + i; - - /* Writing AVI OpenDML leaf index chunk */ - ix = avio_tell(pb); - ffio_wfourcc(pb, ix_tag); /* ix?? */ - avio_wl32(pb, avist->indexes.entry * 8 + 24); - /* chunk size */ - avio_wl16(pb, 2); /* wLongsPerEntry */ - avio_w8(pb, 0); /* bIndexSubType (0 == frame index) */ - avio_w8(pb, 1); /* bIndexType (1 == AVI_INDEX_OF_CHUNKS) */ - avio_wl32(pb, avist->indexes.entry); - /* nEntriesInUse */ - ffio_wfourcc(pb, tag); /* dwChunkId */ - avio_wl64(pb, avi->movi_list);/* qwBaseOffset */ - avio_wl32(pb, 0); /* dwReserved_3 (must be 0) */ - - for (j=0; j<avist->indexes.entry; j++) { - AVIIentry* ie = avi_get_ientry(&avist->indexes, j); - avio_wl32(pb, ie->pos + 8); - avio_wl32(pb, ((uint32_t)ie->len & ~0x80000000) | - (ie->flags & 0x10 ? 0 : 0x80000000)); - } - avio_flush(pb); - pos = avio_tell(pb); - - /* Updating one entry in the AVI OpenDML master index */ - avio_seek(pb, avist->indexes.indx_start - 8, SEEK_SET); - ffio_wfourcc(pb, "indx"); /* enabling this entry */ - avio_skip(pb, 8); - avio_wl32(pb, avi->riff_id); /* nEntriesInUse */ - avio_skip(pb, 16*avi->riff_id); - avio_wl64(pb, ix); /* qwOffset */ - avio_wl32(pb, pos - ix); /* dwSize */ - avio_wl32(pb, avist->indexes.entry); /* dwDuration */ - - avio_seek(pb, pos, SEEK_SET); - } - return 0; -} - -static int avi_write_idx1(AVFormatContext *s) -{ - AVIOContext *pb = s->pb; - AVIContext *avi = s->priv_data; - int64_t idx_chunk; - int i; - char tag[5]; - - if (pb->seekable) { - AVIStream *avist; - AVIIentry* ie = 0, *tie; - int empty, stream_id = -1; - - idx_chunk = ff_start_tag(pb, "idx1"); - for(i=0; i<s->nb_streams; i++){ - avist= s->streams[i]->priv_data; - avist->entry=0; - } - - do { - empty = 1; - for (i=0; i<s->nb_streams; i++) { - avist= s->streams[i]->priv_data; - if (avist->indexes.entry <= avist->entry) - continue; - - tie = avi_get_ientry(&avist->indexes, avist->entry); - if (empty || tie->pos < ie->pos) { - ie = tie; - stream_id = i; - } - empty = 0; - } - if (!empty) { - avist= s->streams[stream_id]->priv_data; - avi_stream2fourcc(tag, stream_id, - s->streams[stream_id]->codec->codec_type); - ffio_wfourcc(pb, tag); - avio_wl32(pb, ie->flags); - avio_wl32(pb, ie->pos); - avio_wl32(pb, ie->len); - avist->entry++; - } - } while (!empty); - ff_end_tag(pb, idx_chunk); - - avi_write_counters(s, avi->riff_id); - } - return 0; -} - -static int avi_write_packet(AVFormatContext *s, AVPacket *pkt) -{ - AVIContext *avi = s->priv_data; - AVIOContext *pb = s->pb; - unsigned char tag[5]; - unsigned int flags=0; - const int stream_index= pkt->stream_index; - AVIStream *avist= s->streams[stream_index]->priv_data; - AVCodecContext *enc= s->streams[stream_index]->codec; - int size= pkt->size; - - av_dlog(s, "dts:%s packet_count:%d stream_index:%d\n", av_ts2str(pkt->dts), avist->packet_count, stream_index); - while(enc->block_align==0 && pkt->dts != AV_NOPTS_VALUE && pkt->dts > avist->packet_count && enc->codec_id != AV_CODEC_ID_XSUB){ - AVPacket empty_packet; - - if(pkt->dts - avist->packet_count > 60000){ - av_log(s, AV_LOG_ERROR, "Too large number of skipped frames %"PRId64" > 60000\n", pkt->dts - avist->packet_count); - return AVERROR(EINVAL); - } - - av_init_packet(&empty_packet); - empty_packet.size= 0; - empty_packet.data= NULL; - empty_packet.stream_index= stream_index; - avi_write_packet(s, &empty_packet); - av_dlog(s, "dup dts:%s packet_count:%d\n", av_ts2str(pkt->dts), avist->packet_count); - } - avist->packet_count++; - - // Make sure to put an OpenDML chunk when the file size exceeds the limits - if (pb->seekable && - (avio_tell(pb) - avi->riff_start > AVI_MAX_RIFF_SIZE)) { - - avi_write_ix(s); - ff_end_tag(pb, avi->movi_list); - - if (avi->riff_id == 1) - avi_write_idx1(s); - - ff_end_tag(pb, avi->riff_start); - avi->movi_list = avi_start_new_riff(s, pb, "AVIX", "movi"); - } - - avi_stream2fourcc(tag, stream_index, enc->codec_type); - if(pkt->flags&AV_PKT_FLAG_KEY) - flags = 0x10; - if (enc->codec_type == AVMEDIA_TYPE_AUDIO) { - avist->audio_strm_length += size; - } - - if (s->pb->seekable) { - AVIIndex* idx = &avist->indexes; - int cl = idx->entry / AVI_INDEX_CLUSTER_SIZE; - int id = idx->entry % AVI_INDEX_CLUSTER_SIZE; - if (idx->ents_allocated <= idx->entry) { - idx->cluster = av_realloc_f(idx->cluster, sizeof(void*), cl+1); - if (!idx->cluster) - return AVERROR(ENOMEM); - idx->cluster[cl] = av_malloc(AVI_INDEX_CLUSTER_SIZE*sizeof(AVIIentry)); - if (!idx->cluster[cl]) - return AVERROR(ENOMEM); - idx->ents_allocated += AVI_INDEX_CLUSTER_SIZE; - } - - idx->cluster[cl][id].flags = flags; - idx->cluster[cl][id].pos = avio_tell(pb) - avi->movi_list; - idx->cluster[cl][id].len = size; - idx->entry++; - } - - avio_write(pb, tag, 4); - avio_wl32(pb, size); - avio_write(pb, pkt->data, size); - if (size & 1) - avio_w8(pb, 0); - - avio_flush(pb); - return 0; -} - -static int avi_write_trailer(AVFormatContext *s) -{ - AVIContext *avi = s->priv_data; - AVIOContext *pb = s->pb; - int res = 0; - int i, j, n, nb_frames; - int64_t file_size; - - if (pb->seekable){ - if (avi->riff_id == 1) { - ff_end_tag(pb, avi->movi_list); - res = avi_write_idx1(s); - ff_end_tag(pb, avi->riff_start); - } else { - avi_write_ix(s); - ff_end_tag(pb, avi->movi_list); - ff_end_tag(pb, avi->riff_start); - - file_size = avio_tell(pb); - avio_seek(pb, avi->odml_list - 8, SEEK_SET); - ffio_wfourcc(pb, "LIST"); /* Making this AVI OpenDML one */ - avio_skip(pb, 16); - - for (n=nb_frames=0;n<s->nb_streams;n++) { - AVCodecContext *stream = s->streams[n]->codec; - AVIStream *avist= s->streams[n]->priv_data; - - if (stream->codec_type == AVMEDIA_TYPE_VIDEO) { - if (nb_frames < avist->packet_count) - nb_frames = avist->packet_count; - } else { - if (stream->codec_id == AV_CODEC_ID_MP2 || stream->codec_id == AV_CODEC_ID_MP3) { - nb_frames += avist->packet_count; - } - } - } - avio_wl32(pb, nb_frames); - avio_seek(pb, file_size, SEEK_SET); - - avi_write_counters(s, avi->riff_id); - } - } - - for (i=0; i<s->nb_streams; i++) { - AVIStream *avist= s->streams[i]->priv_data; - for (j=0; j<avist->indexes.ents_allocated/AVI_INDEX_CLUSTER_SIZE; j++) - av_free(avist->indexes.cluster[j]); - av_freep(&avist->indexes.cluster); - avist->indexes.ents_allocated = avist->indexes.entry = 0; - } - - return res; -} - -AVOutputFormat ff_avi_muxer = { - .name = "avi", - .long_name = NULL_IF_CONFIG_SMALL("AVI (Audio Video Interleaved)"), - .mime_type = "video/x-msvideo", - .extensions = "avi", - .priv_data_size = sizeof(AVIContext), - .audio_codec = CONFIG_LIBMP3LAME ? AV_CODEC_ID_MP3 : AV_CODEC_ID_AC3, - .video_codec = AV_CODEC_ID_MPEG4, - .write_header = avi_write_header, - .write_packet = avi_write_packet, - .write_trailer = avi_write_trailer, - .codec_tag = (const AVCodecTag* const []){ - ff_codec_bmp_tags, ff_codec_wav_tags, 0 - }, - .flags = AVFMT_VARIABLE_FPS, -}; |