ffmpeg | branch: master | Araz Iusubov <primeadv...@gmail.com> | Wed Jun 4 10:36:34 2025 +0200| [49e52ca24ff93702188375c058c20e7db4ff0cb5] | committer: Tong Wu
avcodec/d3d12va_encode: fix l0 reference count limit Prevents potential null pointer dereference when querying MaxL1ReferencesForB from codec-specific support structures during GOP structure initialization. Signed-off-by: Tong Wu <wutong1...@outlook.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=49e52ca24ff93702188375c058c20e7db4ff0cb5 --- libavcodec/d3d12va_encode.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/libavcodec/d3d12va_encode.c b/libavcodec/d3d12va_encode.c index 4d738200fe..e24a5b8d24 100644 --- a/libavcodec/d3d12va_encode.c +++ b/libavcodec/d3d12va_encode.c @@ -1088,13 +1088,15 @@ static int d3d12va_encode_init_gop_structure(AVCodecContext *avctx) switch (ctx->codec->d3d12_codec) { case D3D12_VIDEO_ENCODER_CODEC_H264: ref_l0 = FFMIN(support.PictureSupport.pH264Support->MaxL0ReferencesForP, - support.PictureSupport.pH264Support->MaxL1ReferencesForB); + support.PictureSupport.pH264Support->MaxL1ReferencesForB ? + support.PictureSupport.pH264Support->MaxL1ReferencesForB : UINT_MAX); ref_l1 = support.PictureSupport.pH264Support->MaxL1ReferencesForB; break; case D3D12_VIDEO_ENCODER_CODEC_HEVC: ref_l0 = FFMIN(support.PictureSupport.pHEVCSupport->MaxL0ReferencesForP, - support.PictureSupport.pHEVCSupport->MaxL1ReferencesForB); + support.PictureSupport.pHEVCSupport->MaxL1ReferencesForB ? + support.PictureSupport.pHEVCSupport->MaxL1ReferencesForB : UINT_MAX); ref_l1 = support.PictureSupport.pHEVCSupport->MaxL1ReferencesForB; break; _______________________________________________ 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".
