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| author | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2010-06-01 13:09:49 +0000 |
|---|---|---|
| committer | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2010-06-01 13:09:49 +0000 |
| commit | 12f8341ae8819ce5f5e8783ef8af16e595fda21a (patch) | |
| tree | cb524f8c4f40d5b23810aae75b912b6b673d1649 /doc/ffmpeg-doc.texi | |
| parent | 0093ac5b9f4ff7dd11996cdaa3df5dcdd15ef8ee (diff) | |
Merge @chapter Introduction and @chapter Description into a single
section, and make the whole rendered in the man output.
Simplify layout, and make it more consistent with that of the other
man pages. Also I cannot see a good reason for keeping split the two
sections.
Originally committed as revision 23407 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'doc/ffmpeg-doc.texi')
| -rw-r--r-- | doc/ffmpeg-doc.texi | 61 |
1 files changed, 31 insertions, 30 deletions
diff --git a/doc/ffmpeg-doc.texi b/doc/ffmpeg-doc.texi index 7be11d244e..6b2193eb3a 100644 --- a/doc/ffmpeg-doc.texi +++ b/doc/ffmpeg-doc.texi @@ -7,8 +7,8 @@ @sp 3 @end titlepage - -@chapter Introduction +@chapter Description +@c man begin DESCRIPTION FFmpeg is a very fast video and audio converter. It can also grab from a live audio/video source. @@ -21,6 +21,35 @@ bitrate you want. FFmpeg can also convert from any sample rate to any other, and resize video on the fly with a high quality polyphase filter. +As a general rule, options are applied to the next specified +file. Therefore, order is important, and you can have the same +option on the command line multiple times. Each occurrence is +then applied to the next input or output file. + +* To set the video bitrate of the output file to 64kbit/s: +@example +ffmpeg -i input.avi -b 64k output.avi +@end example + +* To force the frame rate of the output file to 24 fps: +@example +ffmpeg -i input.avi -r 24 output.avi +@end example + +* To force the frame rate of the input file (valid for raw formats only) +to 1 fps and the frame rate of the output file to 24 fps: +@example +ffmpeg -r 1 -i input.m2v -r 24 output.avi +@end example + +The format option may be needed for raw input files. + +By default, FFmpeg tries to convert as losslessly as possible: It +uses the same audio and video parameters for the outputs as the one +specified for the inputs. + +@c man end DESCRIPTION + @chapter Quick Start @c man begin EXAMPLES @@ -192,34 +221,6 @@ The generic syntax is: ffmpeg [[infile options][@option{-i} @var{infile}]]... @{[outfile options] @var{outfile}@}... @c man end @end example -@c man begin DESCRIPTION -As a general rule, options are applied to the next specified -file. Therefore, order is important, and you can have the same -option on the command line multiple times. Each occurrence is -then applied to the next input or output file. - -* To set the video bitrate of the output file to 64kbit/s: -@example -ffmpeg -i input.avi -b 64k output.avi -@end example - -* To force the frame rate of the output file to 24 fps: -@example -ffmpeg -i input.avi -r 24 output.avi -@end example - -* To force the frame rate of the input file (valid for raw formats only) -to 1 fps and the frame rate of the output file to 24 fps: -@example -ffmpeg -r 1 -i input.m2v -r 24 output.avi -@end example - -The format option may be needed for raw input files. - -By default, FFmpeg tries to convert as losslessly as possible: It -uses the same audio and video parameters for the outputs as the one -specified for the inputs. -@c man end @c man begin OPTIONS |