FFmpeg 7.0.2
Since* 3.0
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Select video or audio streams.

The filter accepts the following options:

inputs

Set number of inputs. Default is 2.

map

Set input indexes to remap to outputs.

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Commands

The streamselect and astreamselect filter supports the following commands:

map

Set input indexes to remap to outputs.

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Examples

  • Select first 5 seconds 1st stream and rest of time 2nd stream:

    sendcmd='5.0 streamselect map 1',streamselect=inputs=2:map=0
  • Same as above, but for audio:

    asendcmd='5.0 astreamselect map 1',astreamselect=inputs=2:map=0