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author | Paul B Mahol <onemda@gmail.com> | 2015-07-15 19:00:25 +0000 |
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committer | Paul B Mahol <onemda@gmail.com> | 2015-07-15 19:09:57 +0000 |
commit | 59a9998908d89a88f05409b441a4be04c3327fdd (patch) | |
tree | f37def4695d949848e56277caee71534fe5543f3 /doc | |
parent | 6074956fa1d2617ac602e49931b06df0a751370e (diff) | |
download | ffmpeg-streaming-59a9998908d89a88f05409b441a4be04c3327fdd.zip ffmpeg-streaming-59a9998908d89a88f05409b441a4be04c3327fdd.tar.gz |
avfilter/af_astats: also measure maximal difference between two consecutive samples
While here also mention bit depth in documentation.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'doc')
-rw-r--r-- | doc/filters.texi | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 2679090..3b4ec2c 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -952,23 +952,27 @@ Available keys for each channel are: DC_offset Min_level Max_level +Max_difference Peak_level RMS_peak RMS_trough Crest_factor Flat_factor Peak_count +Bit_depth and for Overall: DC_offset Min_level Max_level +Max_difference Peak_level RMS_level RMS_peak RMS_trough Flat_factor Peak_count +Bit_depth Number_of_samples For example full key look like this @code{lavfi.astats.1.DC_offset} or @@ -976,6 +980,9 @@ this @code{lavfi.astats.Overall.Peak_count}. For description what each key means read bellow. +@item reset +Set number of frame after which stats are going to be recalculated. +Default is disabled. @end table A description of each shown parameter follows: @@ -990,6 +997,9 @@ Minimal sample level. @item Max level Maximal sample level. +@item Max difference +Maximal difference between two consecutive samples. + @item Peak level dB @item RMS level dB Standard peak and RMS level measured in dBFS. @@ -1008,6 +1018,9 @@ Flatness (i.e. consecutive samples with the same value) of the signal at its pea @item Peak count Number of occasions (not the number of samples) that the signal attained either @var{Min level} or @var{Max level}. + +@item Bit depth +Overall bit depth of audio. Number of bits used for each sample. @end table @section astreamsync |