X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=doc%2Fdemuxers.texi;h=2934a1cf7f49e42ccf6e35cd70761e303668c647;hb=584f509a4b9eeff375d99483bf55d7a1faa5d9aa;hp=e34f8b3fe667301ece6c2b559207d09291161123;hpb=93c13886a2d679a88bdecfd9ca39c0120f71fcb9;p=ffmpeg

diff --git a/doc/demuxers.texi b/doc/demuxers.texi
index e34f8b3fe66..2934a1cf7f4 100644
--- a/doc/demuxers.texi
+++ b/doc/demuxers.texi
@@ -72,7 +72,7 @@ Do not try to resynchronize by looking for a certain optional start code.
 Virtual concatenation script demuxer.
 
 This demuxer reads a list of files and other directives from a text file and
-demuxes them one after the other, as if all their packet had been muxed
+demuxes them one after the other, as if all their packets had been muxed
 together.
 
 The timestamps in the files are adjusted so that the first file starts at 0
@@ -107,7 +107,7 @@ Identify the script type and version. It also sets the @option{safe} option
 to 1 if it was -1.
 
 To make FFmpeg recognize the format automatically, this directive must
-appears exactly as is (no extra space or byte-order-mark) on the very first
+appear exactly as is (no extra space or byte-order-mark) on the very first
 line of the script.
 
 @item @code{duration @var{dur}}
@@ -254,19 +254,6 @@ This demuxer is used to demux FLV files and RTMP network streams.
 Allocate the streams according to the onMetaData array content.
 @end table
 
-@section libgme
-
-The Game Music Emu library is a collection of video game music file emulators.
-
-See @url{http://code.google.com/p/game-music-emu/} for more information.
-
-Some files have multiple tracks. The demuxer will pick the first track by
-default. The @option{track_index} option can be used to select a different
-track. Track indexes start at 0. The demuxer exports the number of tracks as
-@var{tracks} meta data entry.
-
-For very large files, the @option{max_size} option may have to be adjusted.
-
 @section gif
 
 Animated GIF demuxer.
@@ -441,6 +428,46 @@ ffmpeg -framerate 10 -pattern_type glob -i "*.png" out.mkv
 @end example
 @end itemize
 
+@section libgme
+
+The Game Music Emu library is a collection of video game music file emulators.
+
+See @url{http://code.google.com/p/game-music-emu/} for more information.
+
+Some files have multiple tracks. The demuxer will pick the first track by
+default. The @option{track_index} option can be used to select a different
+track. Track indexes start at 0. The demuxer exports the number of tracks as
+@var{tracks} meta data entry.
+
+For very large files, the @option{max_size} option may have to be adjusted.
+
+@section libopenmpt
+
+libopenmpt based module demuxer
+
+See @url{https://lib.openmpt.org/libopenmpt/} for more information.
+
+Some files have multiple subsongs (tracks) this can be set with the @option{subsong}
+option.
+
+It accepts the following options:
+
+@table @option
+@item subsong
+Set the subsong index. This can be either  'all', 'auto', or the index of the
+subsong. Subsong indexes start at 0. The default is 'auto'.
+
+The default value is to let libopenmpt choose.
+
+@item layout
+Set the channel layout. Valid values are 1, 2, and 4 channel layouts.
+The default value is STEREO.
+
+@item sample_rate
+Set the sample rate for libopenmpt to output.
+Range is from 1000 to INT_MAX. The value default is 48000.
+@end table
+
 @section mov/mp4/3gp/QuickTime
 
 QuickTime / MP4 demuxer.