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[2001:470:27:11::2]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-59e44e231d5sm2137443e87.81.2026.02.08.13.35.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 08 Feb 2026 13:35:57 -0800 (PST) Date: Sun, 8 Feb 2026 23:35:55 +0200 (EET) To: David Christle via ffmpeg-devel In-Reply-To: <20260208211537.91515-1-dev@christle.is> Message-ID: <8f9e7d9f-cac8-e7a8-2741-bccf0ec24b9@martin.st> References: <20260206064418.58375-1-dev@christle.is> <20260208211537.91515-1-dev@christle.is> MIME-Version: 1.0 Message-ID-Hash: BANCDZNPMZHTCA37CEZC3ZBARNCILDLP X-Message-ID-Hash: BANCDZNPMZHTCA37CEZC3ZBARNCILDLP X-MailFrom: SRS0=bAqe=AM=martin.st=martin@ffmpeg.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; header-match-ffmpeg-devel.ffmpeg.org-0; header-match-ffmpeg-devel.ffmpeg.org-1; header-match-ffmpeg-devel.ffmpeg.org-2; header-match-ffmpeg-devel.ffmpeg.org-3; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.10 Precedence: list Reply-To: FFmpeg development discussions and patches Subject: [FFmpeg-devel] Re: [PATCH v2 0/3] swscale: NEON YUV2RGB + LoongArch LASX multi-row fix List-Id: FFmpeg development discussions and patches Archived-At: Archived-At: List-Archive: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: =?utf-8?q?Martin_Storsj=C3=B6_via_ffmpeg-devel?= Cc: David Christle , =?ISO-8859-15?Q?Martin_Storsj=F6?= Content-Type: text/plain; charset="us-ascii"; format="flowed" Content-Transfer-Encoding: 7bit Archived-At: List-Archive: List-Post: On Sun, 8 Feb 2026, David Christle via ffmpeg-devel wrote: > v1 of patches 2-3 (NEON YUV2RGB + checkasm expansion) exposed a > pre-existing bug in the LoongArch LASX YUV2RGB path: the res variable > (residual pixel count for widths not divisible by 16) is destructively > modified by DEALYUV2RGBLINERES/DEALYUV2RGBLINERES32 inside the row > loop, producing wrong output when srcSliceH > 2. v2 prepends a fix. > > Changes since v1: > - NEW patch 1/3: fix LoongArch LASX res variable across row iterations > - Patches 2/3 and 3/3 unchanged from v1 > > David Christle (3): > swscale/loongarch: fix LASX YUV2RGB residual for multi-row slices > swscale/aarch64: add NEON YUV420P/YUV422P/YUVA420P to RGB conversion > tests/checkasm/sw_yuv2rgb: test multi-row conversion with padded > strides Please submit these patches at https://code.ffmpeg.org/FFmpeg/FFmpeg // Martin _______________________________________________ ffmpeg-devel mailing list -- ffmpeg-devel@ffmpeg.org To unsubscribe send an email to ffmpeg-devel-leave@ffmpeg.org