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https://github.com/FFmpeg/FFmpeg.git
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movenc: Swap positions of mov_write_header and mov_write_packet
Originally committed as revision 23021 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
David Conrad
parent
1cf9f6ed4f
commit
1b206f62ea
@ -1801,117 +1801,6 @@ static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
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put_be32(pb, 0x010001); /* ? */
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put_be32(pb, 0x010001); /* ? */
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}
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}
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static int mov_write_header(AVFormatContext *s)
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{
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ByteIOContext *pb = s->pb;
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MOVMuxContext *mov = s->priv_data;
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int i;
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if (url_is_streamed(s->pb)) {
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av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
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return -1;
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}
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/* Default mode == MP4 */
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mov->mode = MODE_MP4;
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if (s->oformat != NULL) {
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if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
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else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
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else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
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else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
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else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
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mov_write_ftyp_tag(pb,s);
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if (mov->mode == MODE_PSP) {
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if (s->nb_streams != 2) {
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av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
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return -1;
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}
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mov_write_uuidprof_tag(pb,s);
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}
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}
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mov->tracks = av_mallocz(s->nb_streams*sizeof(*mov->tracks));
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if (!mov->tracks)
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return AVERROR(ENOMEM);
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for(i=0; i<s->nb_streams; i++){
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AVStream *st= s->streams[i];
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MOVTrack *track= &mov->tracks[i];
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AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0);
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track->enc = st->codec;
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track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
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if (track->language < 0)
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track->language = 0;
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track->mode = mov->mode;
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track->tag = mov_find_codec_tag(s, track);
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if (!track->tag) {
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av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
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"codec not currently supported in container\n", i);
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goto error;
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}
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if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
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if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
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track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
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track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
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if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
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av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
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goto error;
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}
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track->height = track->tag>>24 == 'n' ? 486 : 576;
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}
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track->timescale = st->codec->time_base.den;
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if (track->mode == MODE_MOV && track->timescale > 100000)
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av_log(s, AV_LOG_WARNING,
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"WARNING codec timebase is very high. If duration is too long,\n"
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"file may not be playable by quicktime. Specify a shorter timebase\n"
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"or choose different container.\n");
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}else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
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track->timescale = st->codec->sample_rate;
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if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
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av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
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goto error;
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}else if(st->codec->frame_size > 1){ /* assume compressed audio */
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track->audio_vbr = 1;
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}else{
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st->codec->frame_size = 1;
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track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
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}
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if (track->mode != MODE_MOV) {
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if (track->timescale > UINT16_MAX) {
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av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
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"sample rate %dhz\n", i, track->timescale);
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goto error;
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}
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if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
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av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
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i, track->enc->sample_rate);
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goto error;
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}
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}
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}else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
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track->timescale = st->codec->time_base.den;
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}
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if (!track->height)
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track->height = st->codec->height;
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av_set_pts_info(st, 64, 1, track->timescale);
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}
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mov_write_mdat_tag(pb, mov);
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mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
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mov->nb_streams = s->nb_streams;
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put_flush_packet(pb);
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return 0;
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error:
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av_freep(&mov->tracks);
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return -1;
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}
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static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
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static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
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{
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{
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uint32_t c = -1;
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uint32_t c = -1;
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@ -2029,6 +1918,117 @@ static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
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return 0;
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return 0;
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}
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}
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static int mov_write_header(AVFormatContext *s)
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{
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ByteIOContext *pb = s->pb;
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MOVMuxContext *mov = s->priv_data;
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int i;
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if (url_is_streamed(s->pb)) {
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av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
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return -1;
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}
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/* Default mode == MP4 */
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mov->mode = MODE_MP4;
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if (s->oformat != NULL) {
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if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
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else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
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else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
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else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
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else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
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mov_write_ftyp_tag(pb,s);
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if (mov->mode == MODE_PSP) {
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if (s->nb_streams != 2) {
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av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
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return -1;
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}
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mov_write_uuidprof_tag(pb,s);
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}
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}
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mov->tracks = av_mallocz(s->nb_streams*sizeof(*mov->tracks));
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if (!mov->tracks)
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return AVERROR(ENOMEM);
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for(i=0; i<s->nb_streams; i++){
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AVStream *st= s->streams[i];
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MOVTrack *track= &mov->tracks[i];
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AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0);
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track->enc = st->codec;
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track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
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if (track->language < 0)
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track->language = 0;
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track->mode = mov->mode;
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track->tag = mov_find_codec_tag(s, track);
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if (!track->tag) {
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av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
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"codec not currently supported in container\n", i);
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goto error;
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}
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if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
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if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
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track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
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track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
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if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
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av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
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goto error;
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}
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track->height = track->tag>>24 == 'n' ? 486 : 576;
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}
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track->timescale = st->codec->time_base.den;
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if (track->mode == MODE_MOV && track->timescale > 100000)
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av_log(s, AV_LOG_WARNING,
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"WARNING codec timebase is very high. If duration is too long,\n"
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"file may not be playable by quicktime. Specify a shorter timebase\n"
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"or choose different container.\n");
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}else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
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track->timescale = st->codec->sample_rate;
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if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
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av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
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goto error;
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}else if(st->codec->frame_size > 1){ /* assume compressed audio */
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track->audio_vbr = 1;
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}else{
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st->codec->frame_size = 1;
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track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
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}
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if (track->mode != MODE_MOV) {
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if (track->timescale > UINT16_MAX) {
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av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
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"sample rate %dhz\n", i, track->timescale);
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goto error;
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}
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if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
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av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
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i, track->enc->sample_rate);
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goto error;
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}
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}
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}else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
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track->timescale = st->codec->time_base.den;
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}
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if (!track->height)
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track->height = st->codec->height;
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av_set_pts_info(st, 64, 1, track->timescale);
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}
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mov_write_mdat_tag(pb, mov);
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mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
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mov->nb_streams = s->nb_streams;
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put_flush_packet(pb);
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return 0;
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error:
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av_freep(&mov->tracks);
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return -1;
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}
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static int mov_write_trailer(AVFormatContext *s)
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static int mov_write_trailer(AVFormatContext *s)
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{
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{
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MOVMuxContext *mov = s->priv_data;
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MOVMuxContext *mov = s->priv_data;
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