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| author | Michael Niedermayer <michael@niedermayer.cc> | 2016-04-10 19:29:55 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2016-04-24 02:51:50 +0200 |
| commit | dbe1dd59e0d3650fceb612ab8720f54847b1508c (patch) | |
| tree | 2d5c34469d6b7185ec8646e947606bd7df7f2d0f /libavformat/mpegts.c | |
| parent | ea41ab098711f6bbecd6f88d6e81bc3394abfa68 (diff) | |
| download | ffmpeg-dbe1dd59e0d3650fceb612ab8720f54847b1508c.tar.gz | |
avformat/mpegts: Skip over broken 0x80 headers
This fixes demuxing of 01c56b0dc1.ts
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat/mpegts.c')
| -rw-r--r-- | libavformat/mpegts.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c index 5d09266f57..f8fe91ec60 100644 --- a/libavformat/mpegts.c +++ b/libavformat/mpegts.c @@ -2354,7 +2354,7 @@ static void reanalyze(MpegTSContext *ts) { /* XXX: try to find a better synchro over several packets (use * get_packet_size() ?) */ -static int mpegts_resync(AVFormatContext *s, int seekback) +static int mpegts_resync(AVFormatContext *s, int seekback, const uint8_t *current_packet) { MpegTSContext *ts = s->priv_data; AVIOContext *pb = s->pb; @@ -2363,6 +2363,12 @@ static int mpegts_resync(AVFormatContext *s, int seekback) avio_seek(pb, -FFMIN(seekback, pos), SEEK_CUR); + //Special case for files like 01c56b0dc1.ts + if (current_packet[0] == 0x80 && current_packet[12] == 0x47) { + avio_seek(pb, 12, SEEK_CUR); + return 0; + } + for (i = 0; i < ts->resync_size; i++) { c = avio_r8(pb); if (avio_feof(pb)) @@ -2394,7 +2400,7 @@ static int read_packet(AVFormatContext *s, uint8_t *buf, int raw_packet_size, if ((*data)[0] != 0x47) { /* find a new packet start */ - if (mpegts_resync(s, raw_packet_size) < 0) + if (mpegts_resync(s, raw_packet_size, *data) < 0) return AVERROR(EAGAIN); else continue; @@ -2749,7 +2755,7 @@ static av_unused int64_t mpegts_get_pcr(AVFormatContext *s, int stream_index, if (avio_read(s->pb, buf, TS_PACKET_SIZE) != TS_PACKET_SIZE) return AV_NOPTS_VALUE; if (buf[0] != 0x47) { - if (mpegts_resync(s, TS_PACKET_SIZE) < 0) + if (mpegts_resync(s, TS_PACKET_SIZE, buf) < 0) return AV_NOPTS_VALUE; pos = avio_tell(s->pb); continue; |