This demuxers reads encapsulation bytes before reading codec data into the
output packets, so take such offset into consideration.
Signed-off-by: James Almer <jamr...@gmail.com>
---
libavformat/av1dec.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/libavformat/av1dec.c b/libavformat/av1dec.c
index 8c0b8fe975..38001b124f 100644
--- a/libavformat/av1dec.c
+++ b/libavformat/av1dec.c
@@ -36,6 +36,7 @@ typedef struct AV1DemuxContext {
AVRational framerate;
uint32_t temporal_unit_size;
uint32_t frame_unit_size;
+ int64_t pos;
} AV1DemuxContext;
//return < 0 if we need more data
@@ -96,6 +97,8 @@ static int av1_read_header(AVFormatContext *s)
if (ret < 0)
return ret;
+ c->pos = avio_tell(s->pb);
+
return 0;
}
@@ -224,6 +227,7 @@ static int annexb_read_packet(AVFormatContext *s, AVPacket
*pkt)
{
AV1DemuxContext *const c = s->priv_data;
uint32_t obu_unit_size;
+ int64_t pos = c->pos;
int ret, len;
retry:
@@ -234,6 +238,7 @@ retry:
}
if (!c->temporal_unit_size) {
+ c->pos = avio_tell(s->pb);
len = leb(s->pb, &c->temporal_unit_size, 1);
if (len == AVERROR_EOF) goto end;
else if (len < 0) return len;
@@ -279,6 +284,9 @@ end:
if (ret == AVERROR(EAGAIN))
goto retry;
+ if (!ret)
+ pkt->pos = pos;
+
return ret;
}
--
2.49.0
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