ffmpeg | branch: master | Pierre-Anthony Lemieux <p...@palemieux.com> | Thu Jan 
 5 15:29:45 2023 -0800| [23b4251808ba98773a1ab54a9b9706f442cf8299] | committer: 
Pierre-Anthony Lemieux

doc: improve IMF demuxer documentation

Signed-off-by: Pierre-Anthony Lemieux <p...@palemieux.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=23b4251808ba98773a1ab54a9b9706f442cf8299
---

 doc/demuxers.texi | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/doc/demuxers.texi b/doc/demuxers.texi
index 3c81024f03..2d33b47a56 100644
--- a/doc/demuxers.texi
+++ b/doc/demuxers.texi
@@ -307,7 +307,15 @@ stream which contains the alpha channel in addition to the 
ordinary video.
 
 Interoperable Master Format demuxer.
 
-This demuxer presents audio and video streams found in an IMF Composition.
+This demuxer presents audio and video streams found in an IMF Composition, as
+specified in @url{https://doi.org/10.5594/SMPTE.ST2067-2.2020, SMPTE ST 
2067-2}.
+
+@example
+ffmpeg [-assetmaps <path of ASSETMAP1>,<path of ASSETMAP2>,...] -i <path of 
CPL> ...
+@end example
+
+If @code{-assetmaps} is not specified, the demuxer looks for a file called
+@file{ASSETMAP.xml} in the same directory as the CPL.
 
 @section flv, live_flv, kux
 

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