ffmpeg | branch: master | Paul B Mahol <one...@gmail.com> | Thu Feb 11 22:56:41 2021 +0100| [63231fa8d30f41045658d6c382b00fe1ebe18d05] | committer: Paul B Mahol
avcodec/pngdec: fix possible race condition with APNG decoding Fixes #9017 > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=63231fa8d30f41045658d6c382b00fe1ebe18d05 --- libavcodec/pngdec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c index 395b86bbe7..61642b7cbe 100644 --- a/libavcodec/pngdec.c +++ b/libavcodec/pngdec.c @@ -711,13 +711,13 @@ static int decode_idat_chunk(AVCodecContext *avctx, PNGDecContext *s, s->bpp += byte_depth; } - if ((ret = ff_thread_get_buffer(avctx, &s->picture, AV_GET_BUFFER_FLAG_REF)) < 0) - return ret; if (avctx->codec_id == AV_CODEC_ID_APNG && s->last_dispose_op != APNG_DISPOSE_OP_PREVIOUS) { ff_thread_release_buffer(avctx, &s->previous_picture); if ((ret = ff_thread_get_buffer(avctx, &s->previous_picture, AV_GET_BUFFER_FLAG_REF)) < 0) return ret; } + if ((ret = ff_thread_get_buffer(avctx, &s->picture, AV_GET_BUFFER_FLAG_REF)) < 0) + return ret; p->pict_type = AV_PICTURE_TYPE_I; p->key_frame = 1; p->interlaced_frame = !!s->interlace_type; _______________________________________________ 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".
