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authorGyan Doshi <ffmpeg@gyani.pro>2019-01-04 15:47:33 +0530
committerGyan Doshi <ffmpeg@gyani.pro>2019-01-04 15:47:33 +0530
commit1087b792c37630466716c3544539c583c14489a9 (patch)
treed78c1d78dd4cef14761fcd71b166d9273042fa99
parentd7ef10f16d56c92404e74e8e4060ee79b906e00f (diff)
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ffmpeg-streaming-1087b792c37630466716c3544539c583c14489a9.tar.gz
doc/ffmpeg: clarify behaviour of -discard
Discarding all frames is universally supported as it happens in fftools whereas selective discarding relies on the demuxer.
-rw-r--r--doc/ffmpeg.texi6
1 files changed, 4 insertions, 2 deletions
diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi
index 3687ab0..8a36a96 100644
--- a/doc/ffmpeg.texi
+++ b/doc/ffmpeg.texi
@@ -1640,8 +1640,10 @@ This allows dumping sdp information when at least one output isn't an
rtp stream. (Requires at least one of the output formats to be rtp).
@item -discard (@emph{input})
-Allows discarding specific streams or frames of streams at the demuxer.
-Not all demuxers support this.
+Allows discarding specific streams or frames from streams.
+Any input stream can be fully discarded, using value @code{all} whereas
+selective discarding of frames from a stream occurs at the demuxer
+and is not supported by all demuxers.
@table @option
@item none
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