diff options
| -rw-r--r-- | libavcodec/h264.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c index 21c827a406..a5c2147fc2 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -3435,7 +3435,7 @@ static int decode_slice_header(H264Context *h, H264Context *h0) } else { /* Shorten frame num gaps so we don't have to allocate reference * frames just to throw them away */ - if (h->frame_num != h->prev_frame_num && h->prev_frame_num >= 0) { + if (h->frame_num != h->prev_frame_num) { int unwrap_prev_frame_num = h->prev_frame_num; int max_frame_num = 1 << h->sps.log2_max_frame_num; @@ -3508,7 +3508,7 @@ static int decode_slice_header(H264Context *h, H264Context *h0) } } - while (h->frame_num != h->prev_frame_num && h->prev_frame_num >= 0 && !h0->first_field && + while (h->frame_num != h->prev_frame_num && !h0->first_field && h->frame_num != (h->prev_frame_num + 1) % (1 << h->sps.log2_max_frame_num)) { Picture *prev = h->short_ref_count ? h->short_ref[0] : NULL; av_log(h->avctx, AV_LOG_DEBUG, "Frame num gap %d %d\n", |