With powerful ffmpeg, we can draw waveform for an audio or video resource.
Default waveform
ffmpeg -i stereo_input.foo -filter_complex showwavespic -frames:v 1 output.png
1篇 waveform related articles
With powerful ffmpeg, we can draw waveform for an audio or video resource.
ffmpeg -i stereo_input.foo -filter_complex showwavespic -frames:v 1 output.png