ffmpeg | branch: master | Paul B Mahol <[email protected]> | Fri Oct 25 22:35:02 
2019 +0200| [487a1f28e283f22351397c0fbbfffb90b431e890] | committer: Paul B Mahol

doc/filters: add one more example for ssim/psnr

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=487a1f28e283f22351397c0fbbfffb90b431e890
---

 doc/filters.texi | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/doc/filters.texi b/doc/filters.texi
index 68441f8e28..3a414d577f 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -14857,6 +14857,9 @@ Maximum allowed value for each channel, and average 
over all
 channels.
 @end table
 
+@subsection Examples
+@itemize
+@item
 For example:
 @example
 movie=ref_movie.mpg, setpts=PTS-STARTPTS [main];
@@ -14867,6 +14870,13 @@ On this example the input file being processed is 
compared with the
 reference file @file{ref_movie.mpg}. The PSNR of each individual frame
 is stored in @file{stats.log}.
 
+@item
+Another example with different containers:
+@example
+ffmpeg -i main.mpg -i ref.mkv -lavfi  
"[0:v]settb=1/AVTB,setpts=PTS-STARTPTS[main];[1:v]settb=1/AVTB,setpts=PTS-STARTPTS[ref];[main][ref]psnr"
 -f null -
+@end example
+@end itemize
+
 @anchor{pullup}
 @section pullup
 
@@ -16908,6 +16918,9 @@ Same as above but in dB representation.
 
 This filter also supports the @ref{framesync} options.
 
+@subsection Examples
+@itemize
+@item
 For example:
 @example
 movie=ref_movie.mpg, setpts=PTS-STARTPTS [main];
@@ -16918,11 +16931,19 @@ On this example the input file being processed is 
compared with the
 reference file @file{ref_movie.mpg}. The SSIM of each individual frame
 is stored in @file{stats.log}.
 
+@item
 Another example with both psnr and ssim at same time:
 @example
 ffmpeg -i main.mpg -i ref.mpg -lavfi  "ssim;[0:v][1:v]psnr" -f null -
 @end example
 
+@item
+Another example with different containers:
+@example
+ffmpeg -i main.mpg -i ref.mkv -lavfi  
"[0:v]settb=1/AVTB,setpts=PTS-STARTPTS[main];[1:v]settb=1/AVTB,setpts=PTS-STARTPTS[ref];[main][ref]ssim"
 -f null -
+@end example
+@end itemize
+
 @section stereo3d
 
 Convert between different stereoscopic image formats.

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