FFmpeg 6.0.1
Since* 2.7
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Convert input audio to a single video frame, representing the samples waves.

The filter accepts the following options:

size, s

Specify the video size for the output. For the syntax of this option, check the "Video size" section in the ffmpeg-utils manual. Default value is 600x240.

split_channels

Set if channels should be drawn separately or overlap. Default value is 0.

colors

Set colors separated by ’|’ which are going to be used for drawing of each channel.

scale

Set amplitude scale.

Available values are:

lin

Linear.

log

Logarithmic.

sqrt

Square root.

cbrt

Cubic root.

Default is linear.

draw

Set the draw mode.

Available values are:

scale

Scale pixel values for each drawn sample.

full

Draw every sample directly.

Default value is scale.

filter

Set the filter mode.

Available values are:

average

Use average samples values for each drawn sample.

peak

Use peak samples values for each drawn sample.

Default value is average.

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Examples

  • Extract a channel split representation of the wave form of a whole audio track in a 1024x800 picture using ffmpeg:

    ffmpeg -i audio.flac -lavfi showwavespic=split_channels=1:s=1024x800 waveform.png