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doc/filters: Add stats_version documentation to PSNR filter

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Lucas Cooper 2016-08-01 09:50:59 -07:00 committed by Michael Niedermayer
parent 7be021d949
commit 3d7ea1d39e
1 changed files with 19 additions and 1 deletions
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doc/filters.texi
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@ -10692,13 +10692,31 @@ The description of the accepted parameters follows.
If specified the filter will use the named file to save the PSNR of
each individual frame. When filename equals "-" the data is sent to
standard output.
@item stats_version
Specifies which version of the stats file format to use. Details of
each format are written below.
Default value is 1.
@end table
The file printed if @var{stats_file} is selected, contains a sequence of
key/value pairs of the form @var{key}:@var{value} for each compared
couple of frames.
A description of each shown parameter follows:
If a @var{stats_version} greater than 1 is specified, a header line precedes
the list of per-frame-pair stats, with key value pairs following the frame
format with the following parameters:
@table @option
@item psnr_log_version
The version of the log file format. Will match @var{stats_version}.
@item fields
A comma separated list of the per-frame-pair parameters included in
the log.
@end table
A description of each shown per-frame-pair parameter follows:
@table @option
@item n