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[178.222.11.229]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-450d7f8edc0sm188701815e9.5.2025.06.04.01.36.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Jun 2025 01:36:47 -0700 (PDT) From: Araz Iusubov X-Google-Original-From: Araz Iusubov To: ffmpeg-devel@ffmpeg.org Date: Wed, 4 Jun 2025 10:36:34 +0200 Message-ID: <20250604083634.1398-1-Primeadvice@gmail.com> X-Mailer: git-send-email 2.47.1.windows.1 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH] avcodec/d3d12va_encode: fix l0 reference count limit X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Cc: Araz Iusubov Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: Prevents potential null pointer dereference when querying MaxL1ReferencesForB from codec-specific support structures during GOP structure initialization. --- 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..e39d4d1c29 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.pHEVCSupport->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; -- 2.45.2.windows.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".