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| author | Paul B Mahol <onemda@gmail.com> | 2015-06-29 21:14:53 +0000 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2015-07-03 16:34:28 +0000 |
| commit | d3836b603e7e07c681dd09f42f56d6cdeacfd016 (patch) | |
| tree | d19b041821123351dc772b4eaa4ef550eb99feb1 /doc | |
| parent | 9f653e6d369bb39ac04da37fc899465a8dac9f46 (diff) | |
| download | ffmpeg-streaming-d3836b603e7e07c681dd09f42f56d6cdeacfd016.zip ffmpeg-streaming-d3836b603e7e07c681dd09f42f56d6cdeacfd016.tar.gz | |
avfilter/af_astats: export metadata
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/filters.texi | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 6365c0a..ffbcc22 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -941,6 +941,41 @@ It accepts the following option: @item length Short window length in seconds, used for peak and trough RMS measurement. Default is @code{0.05} (50 milliseconds). Allowed range is @code{[0.1 - 10]}. + +@item metadata + +Set metadata injection. All the metadata keys are prefixed with @code{lavfi.astats.X}, +where @code{X} is channel number starting from 1 or string @code{Overall}. Default is +disabled. + +Available keys for each channel are: +DC_offset +Min_level +Max_level +Peak_level +RMS_peak +RMS_trough +Crest_factor +Flat_factor +Peak_count + +and for Overall: +DC_offset +Min_level +Max_level +Peak_level +RMS_level +RMS_peak +RMS_trough +Flat_factor +Peak_count +Number_of_samples + +For example full key look like this @code{lavfi.astats.1.DC_offset} or +this @code{lavfi.astats.Overall.Peak_count}. + +For description what each key means read bellow. + @end table A description of each shown parameter follows: |
