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

[Marth64]

---
 doc/bitstream_filters.texi | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/doc/bitstream_filters.texi b/doc/bitstream_filters.texi
index 145aa8684e..b01ede0c93 100644
--- a/doc/bitstream_filters.texi
+++ b/doc/bitstream_filters.texi
@@ -213,6 +213,23 @@ 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
 
+By nature of removing SEI messages, the filter can also remove Closed Captions.
+
+To remove SEI messages (including CC) from a MPEG-2 stream:
+ at example
+ffmpeg -i INPUT -c:v copy -bsf:v 'filter_units=remove_types=178' OUTPUT
+ at end example
+
+To remove SEI messages (including CC) from a H264 stream:
+ at example
+ffmpeg -i INPUT -c:v copy -bsf:v 'filter_units=remove_types=6' OUTPUT
+ at end example
+
+To remove SEI messages (including CC and dynamic HDR) from a HEVC stream:
+ at example
+ffmpeg -i INPUT -c:v copy -bsf:v 'filter_units=remove_types=39' OUTPUT
+ at 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