One situation where a subtitle packet can be marked for discard is when
demuxing an MOV file that has an edit list.
---
libavcodec/decode.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/libavcodec/decode.c b/libavcodec/decode.c
index 6c31166ec2..204bd50fa3 100644
--- a/libavcodec/decode.c
+++ b/libavcodec/decode.c
@@ -1149,8 +1149,14 @@ int avcodec_decode_subtitle2(AVCodecContext *avctx,
AVSubtitle *sub,
}
}
- if (*got_sub_ptr)
- avctx->frame_number++;
+ if (*got_sub_ptr) {
+ if (avpkt->flags & AV_PKT_FLAG_DISCARD) {
+ *got_sub_ptr = 0;
+ avsubtitle_free(sub);
+ } else {
+ avctx->frame_number++;
+ }
+ }
}
return ret;
--
2.21.0
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