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[86.21.160.125]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45b732671b7sm116858085e9.3.2025.09.01.08.23.00 for (version=TLS1 cipher=ECDHE-ECDSA-AES128-SHA bits=128/128); Mon, 01 Sep 2025 08:23:01 -0700 (PDT) To: ffmpeg-devel@ffmpeg.org Date: Mon, 01 Sep 2025 16:23:01 +0100 Message-ID: User-Agent: ForteAgent/8.00.32.1272 MIME-Version: 1.0 Message-ID-Hash: FSFNV4AAOHBVP2ITFXINICLVY73U7K7F X-Message-ID-Hash: FSFNV4AAOHBVP2ITFXINICLVY73U7K7F X-MailFrom: SRS0=g2JF=3M=kynesim.co.uk=jc@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] buffersrc: How do you set up a hwctx before init_video is called? 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: John Cox via ffmpeg-devel Cc: John Cox Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Archived-At: List-Archive: List-Post: Hi Between 7.1.1 and 8.0 buffersrc has changed (commit a7fe27f9647e00041dcd079183bddabc998b6b31) to require hw_frames_ctx to be set at init time (in buffersrc.c:init_video line 290) if a hw pix fmt is selected rather than somewhat later. With the previous scheme hw_frames_context could be added using av_buffersrc_paramters_set after creation. Now I do not know how the user is meant to be able to set it before it is required as I do not belive there is any way the user can pass it to avfilter_graph_create_filter. How is this meant to be done in the current world? Many thanks John Cox _______________________________________________ ffmpeg-devel mailing list -- ffmpeg-devel@ffmpeg.org To unsubscribe send an email to ffmpeg-devel-leave@ffmpeg.org