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author | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2010-11-27 14:40:12 +0000 |
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committer | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2010-11-27 14:40:12 +0000 |
commit | fe9d2edbdbceed1c1328a5f65f3b3ce29f679b4f (patch) | |
tree | 296a4522e0a802e62eed821555c48224f61e031e | |
parent | 4ab4d65f352fbc91e366a21c780ad7e653f02cd6 (diff) | |
download | ffmpeg-fe9d2edbdbceed1c1328a5f65f3b3ce29f679b4f.tar.gz |
DV: use data_offset to fix seeking in badly cut files where the first
complete frame does not start at position 0.
Originally committed as revision 25833 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rw-r--r-- | libavformat/dv.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavformat/dv.c b/libavformat/dv.c index b6f9c6ae54..d7f54d6c55 100644 --- a/libavformat/dv.c +++ b/libavformat/dv.c @@ -370,7 +370,7 @@ static int64_t dv_frame_offset(AVFormatContext *s, DVDemuxContext *c, // FIXME: sys may be wrong if last dv_read_packet() failed (buffer is junk) const DVprofile* sys = ff_dv_codec_profile(c->vst->codec); int64_t offset; - int64_t size = url_fsize(s->pb); + int64_t size = url_fsize(s->pb) - s->data_offset; int64_t max_offset = ((size-1) / sys->frame_size) * sys->frame_size; offset = sys->frame_size * timestamp; @@ -378,7 +378,7 @@ static int64_t dv_frame_offset(AVFormatContext *s, DVDemuxContext *c, if (size >= 0 && offset > max_offset) offset = max_offset; else if (offset < 0) offset = 0; - return offset; + return offset + s->data_offset; } void dv_offset_reset(DVDemuxContext *c, int64_t frame_offset) |