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3.8 KiB
3.8 KiB
audiowaveform
audiowaveform is a C++ command-line application that generates waveform data from either MP3, WAV, or FLAC format audio files. Waveform data can be used to produce a visual rendering of the audio, similar in appearance to audio editing applications.
Run
$ docker pull vimagick/audiowaveform
$ alias awf='docker run --rm -v `pwd`:/data -w /data vimagick/audiowaveform'
$ awf -i input.mp3 -o output.png
Command line options
audiowaveform accepts the following command-line options:
| Short | Long | Description |
|---|---|---|
--help |
Show help message | |
-v |
--version |
Show version information |
-i <filename> |
--input-filename <filename> |
Input mono or stereo audio (.wav or .mp3) or waveform data (.dat) file name |
-o <filename> |
--output-filename <filename> |
Output waveform data (.dat or .json), audio (.wav), or PNG image (.png) file name |
-z <level> |
--zoom <zoom> |
Zoom level (samples per pixel), default: 256. Not valid if --end or --pixels-per-second is also specified |
--pixels-per-second <zoom> |
Zoom level (pixels per second), default: 100. Not valid if --end or --zoom is also specified |
|
-b <bits> |
--bits <bits> |
Number of bits resolution when creating a waveform data file (either 8 or 16), default: 16 |
-s <seconds> |
--start <seconds> |
Start time (seconds), default: 0 |
-e <seconds> |
--end <seconds> |
End time (seconds). Not valid if --zoom is also specified |
-w <width> |
--width <width> |
Width of output image (pixels), default: 800 |
-h <height> |
--height <height> |
Height of output image (pixels), default: 250 |
-c <scheme> |
--colors <scheme> |
Color scheme of output image (either 'audition' or 'audacity'), default: audacity |
--border-color <color> |
Border color (in rrggbb[aa] hex format), default: set by --colors option |
|
--background-color <color> |
Background color (in rrggbb[aa] hex format), default: set by --colors option |
|
--waveform-color <color> |
Waveform color (in rrggbb[aa] hex format), default: set by --colors option |
|
--axis-label-color <color> |
Axis label color (in rrggbb[aa] hex format), default: set by --colors option |
|
--no-axis-labels |
Render PNG images without axis labels | |
--with-axis-labels |
Render PNG images with axis labels (default) |