On 23/11/14 19:36, Uwe L. Korn wrote:
--- libavformat/flvdec.c | 4 ++++ 1 file changed, 4 insertions(+)diff --git a/libavformat/flvdec.c b/libavformat/flvdec.c index 2d5e50e..e235c55 100644 --- a/libavformat/flvdec.c +++ b/libavformat/flvdec.c @@ -845,9 +845,13 @@ skip: if (s->pb->seekable && (!s->duration || s->duration == AV_NOPTS_VALUE)) { int size; const int64_t pos = avio_tell(s->pb); + // Read the last 4 bytes of the file, this should be the size of the + // previous FLV tag. Use the timestamp of its payload as duration. const int64_t fsize = avio_size(s->pb); avio_seek(s->pb, fsize - 4, SEEK_SET); size = avio_rb32(s->pb); + // Seek to the previous FLV tag at position (fsize - 4 - size) but skip + // the byte indicating the type. avio_seek(s->pb, fsize - 3 - size, SEEK_SET); if (size == avio_rb24(s->pb) + 11) { uint32_t ts = avio_rb24(s->pb);
Possibly ok. lu _______________________________________________ libav-devel mailing list libav-devel@libav.org https://lists.libav.org/mailman/listinfo/libav-devel
