[FFmpeg-devel] [PATCH] doc/bitstream_filters: add filter_units practical examples for removing closed captions

[Marth64 <marth64@proxyid.net>]

Following up on this from December 2023. I simplified the content and
hopefully addressed the feedback.

Signed-off-by: Marth64 <marth64@proxyid.net>
---
 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.
-- 
2.34.1

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