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hub / github.com/FFmpeg/FFmpeg / rm_read_dts

Function rm_read_dts

libavformat/rmdec.c:914–955  ·  view source on GitHub ↗

Source from the content-addressed store, hash-verified

912}
913
914static int64_t rm_read_dts(AVFormatContext *s, int stream_index,
915 int64_t *ppos, int64_t pos_limit)
916{
917 RMDemuxContext *rm = s->priv_data;
918 int64_t pos, dts;
919 int stream_index2, flags, len, h;
920
921 pos = *ppos;
922
923 if(rm->old_format)
924 return AV_NOPTS_VALUE;
925
926 url_fseek(s->pb, pos, SEEK_SET);
927 rm->remaining_len=0;
928 for(;;){
929 int seq=1;
930 AVStream *st;
931
932 len=sync(s, &dts, &flags, &stream_index2, &pos);
933 if(len<0)
934 return AV_NOPTS_VALUE;
935
936 st = s->streams[stream_index2];
937 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
938 h= get_byte(s->pb); len--;
939 if(!(h & 0x40)){
940 seq = get_byte(s->pb); len--;
941 }
942 }
943
944 if((flags&2) && (seq&0x7F) == 1){
945// av_log(s, AV_LOG_DEBUG, "%d %d-%d %"PRId64" %d\n", flags, stream_index2, stream_index, dts, seq);
946 av_add_index_entry(st, pos, dts, 0, 0, AVINDEX_KEYFRAME);
947 if(stream_index2 == stream_index)
948 break;
949 }
950
951 url_fskip(s->pb, len);
952 }
953 *ppos = pos;
954 return dts;
955}
956
957AVInputFormat rm_demuxer = {
958 "rm",

Callers

nothing calls this directly

Calls 5

url_fseekFunction · 0.85
syncFunction · 0.85
av_add_index_entryFunction · 0.85
url_fskipFunction · 0.85
get_byteFunction · 0.70

Tested by

no test coverage detected