Fix and clarify invalid examples for framerate override in the documentation.

patch by tripp, eliared yahoo com

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@14431 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

diff --git a/doc/ffmpeg-doc.texi b/doc/ffmpeg-doc.texi
index b87fd3ac0c9a44954eef714a9e1b289515ae373e..57dde53557ea10b38e7e7442085932672d99e260 100644 (file)
--- a/doc/ffmpeg-doc.texi
+++ b/doc/ffmpeg-doc.texi
@@ -164,19 +164,15 @@ then applied to the next input or output file.
 ffmpeg -i input.avi -b 64k output.avi
 @end example
 
-* To force the frame rate of the input and output file to 24 fps:
-@example
-ffmpeg -r 24 -i input.avi 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 input file to 1 fps and the output file to 24 fps:
+* 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.avi -r 24 output.avi
+ffmpeg -r 1 -i input.m2v -r 24 output.avi
 @end example
 
 The format option may be needed for raw input files.