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[76.141.249.38]) by smtp-relay.gmail.com with ESMTPS id f77-20020a4a5850000000b005a1e2aab6f2sm113341oob.11.2024.03.09.17.56.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 09 Mar 2024 17:56:52 -0800 (PST) X-Relaying-Domain: proxyid.net From: Marth64 To: ffmpeg-devel@ffmpeg.org Date: Sat, 9 Mar 2024 19:56:49 -0600 Message-Id: <20240310015649.3233692-1-marth64@proxyid.net> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH] doc/bitstream_filters: add filter_units practical examples for removing closed captions 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: Marth64 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: Xs7r5Qhc7yO5 Following up on this from December 2023. I simplified the content and hopefully addressed the feedback. Signed-off-by: Marth64 --- doc/bitstream_filters.texi | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/doc/bitstream_filters.texi b/doc/bitstream_filters.texi index e06de1a73a..61539d2473 100644 --- a/doc/bitstream_filters.texi +++ b/doc/bitstream_filters.texi @@ -213,6 +213,21 @@ To remove all AUDs, SEI and filler from an H.265 stream: ffmpeg -i INPUT -c:v copy -bsf:v 'filter_units=remove_types=35|38-40' OUTPUT @end example +To remove all user data from a MPEG-2 stream, including Closed Captions: +@example +ffmpeg -i INPUT -c:v copy -bsf:v 'filter_units=remove_types=178' OUTPUT +@end example + +To remove all SEI from a H264 stream, including Closed Captions: +@example +ffmpeg -i INPUT -c:v copy -bsf:v 'filter_units=remove_types=6' OUTPUT +@end example + +To remove all prefix and suffix SEI from a HEVC stream, including Closed Captions and dynamic HDR: +@example +ffmpeg -i INPUT -c:v copy -bsf:v 'filter_units=remove_types=39|40' OUTPUT +@end example + @section hapqa_extract Extract Rgb or Alpha part of an HAPQA file, without recompression, in order to create an HAPQ or an HAPAlphaOnly file.