[FFmpeg-devel] [PATCH] doc/muxers/tee: add example showing second level escaping

Stefano Sabatini stefasab at gmail.com
Sun Dec 15 18:33:33 CET 2013


---
 doc/muxers.texi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/doc/muxers.texi b/doc/muxers.texi
index 4860acb..776ba2b 100644
--- a/doc/muxers.texi
+++ b/doc/muxers.texi
@@ -942,6 +942,15 @@ audio packets.
 ffmpeg -i ... -map 0 -flags +global_header -c:v libx264 -c:a aac -strict experimental
        -f tee "[bsfs/v=dump_extra]out.ts|[movflags=+faststart]out.mp4|[select=a]out.aac"
 @end example
+
+ at item
+As below, but select only stream @code{a:1} for the audio output. Note
+that a second level escaping must be performed, as ":" is a special
+character used to separate options.
+ at example
+ffmpeg -i ... -map 0 -flags +global_header -c:v libx264 -c:a aac -strict experimental
+       -f tee "[bsfs/v=dump_extra]out.ts|[movflags=+faststart]out.mp4|[select=\'a:1\']out.aac"
+ at end example
 @end itemize
 
 Note: some codecs may need different options depending on the output format;
-- 
1.8.1.2



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