| author | Michael Niedermayer <michaelni@gmx.at> | 2013-10-25 17:35:55 (GMT) |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-10-25 17:37:03 (GMT) |
| commit | ba8716df7fb541fb690d1a898cda0e12f9011faf (patch) | |
| tree | 1baa1430d871c4f01685e9d357574c985e1de0b2 | |
| parent | d04ec6ffc51c525c5af5bbfa45cae2ac0130f75c (diff) | |
| download | ffmpeg-ba8716df7fb541fb690d1a898cda0e12f9011faf.zip ffmpeg-ba8716df7fb541fb690d1a898cda0e12f9011faf.tar.gz ffmpeg-ba8716df7fb541fb690d1a898cda0e12f9011faf.tar.bz2 | |
avformat/mp3dec: perform seek resync in the correct direction
Fixes seeking to the last frame in CBR files
Fixes Ticket2773
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavformat/mp3dec.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/libavformat/mp3dec.c b/libavformat/mp3dec.c index e09d45a..30ec777 100644 --- a/libavformat/mp3dec.c +++ b/libavformat/mp3dec.c @@ -288,6 +288,7 @@ static int mp3_seek(AVFormatContext *s, int stream_index, int64_t timestamp, AVStream *st = s->streams[0]; int64_t ret = av_index_search_timestamp(st, timestamp, flags); int i, j; + int dir = (flags&AVSEEK_FLAG_BACKWARD) ? -1 : 1; if (mp3->is_cbr && st->duration > 0 && mp3->header_filesize > s->data_offset) { int64_t filesize = avio_size(s->pb); @@ -317,7 +318,7 @@ static int mp3_seek(AVFormatContext *s, int stream_index, int64_t timestamp, #define MIN_VALID 3 for(i=0; i<4096; i++) { - int64_t pos = ie->pos + i; + int64_t pos = ie->pos + i*dir; for(j=0; j<MIN_VALID; j++) { ret = check(s, pos); if(ret < 0) @@ -330,7 +331,7 @@ static int mp3_seek(AVFormatContext *s, int stream_index, int64_t timestamp, if(j!=MIN_VALID) i=0; - ret = avio_seek(s->pb, ie->pos + i, SEEK_SET); + ret = avio_seek(s->pb, ie->pos + i*dir, SEEK_SET); if (ret < 0) return ret; ff_update_cur_dts(s, st, ie->timestamp); |