ffmpeg | branch: master | James Almer <jamr...@gmail.com> | Tue Sep 3 23:53:46 2019 -0300| [343f8d514e521ea52fc64aab0ddf1d497b0e4cec] | committer: James Almer
avcodec/wcmv: prevent frame copying when outputting duplicate frames Signed-off-by: James Almer <jamr...@gmail.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=343f8d514e521ea52fc64aab0ddf1d497b0e4cec --- libavcodec/wcmv.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/libavcodec/wcmv.c b/libavcodec/wcmv.c index 2f21c1430c..d7a3cbd1b7 100644 --- a/libavcodec/wcmv.c +++ b/libavcodec/wcmv.c @@ -45,7 +45,7 @@ static int decode_frame(AVCodecContext *avctx, { WCMVContext *s = avctx->priv_data; AVFrame *frame = data; - int skip, blocks, zret, ret, intra = 0, bpp = s->bpp; + int skip, blocks, zret, ret, intra = 0, flags = 0, bpp = s->bpp; GetByteContext gb; uint8_t *dst; @@ -56,11 +56,13 @@ static int decode_frame(AVCodecContext *avctx, } bytestream2_init(&gb, avpkt->data, avpkt->size); + blocks = bytestream2_get_le16(&gb); + if (!blocks) + flags |= FF_REGET_BUFFER_FLAG_READONLY; - if ((ret = ff_reget_buffer(avctx, s->prev_frame, 0)) < 0) + if ((ret = ff_reget_buffer(avctx, s->prev_frame, flags)) < 0) return ret; - blocks = bytestream2_get_le16(&gb); if (blocks > 5) { GetByteContext bgb; int x = 0, size; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
