early-access version 1680
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externals/ffmpeg/doc/outdevs.texi
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46
externals/ffmpeg/doc/outdevs.texi
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@@ -38,6 +38,52 @@ ffmpeg -i INPUT -f alsa hw:1,7
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@end example
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@end itemize
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@section AudioToolbox
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AudioToolbox output device.
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Allows native output to CoreAudio devices on OSX.
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The output filename can be empty (or @code{-}) to refer to the default system output device or a number that refers to the device index as shown using: @code{-list_devices true}.
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Alternatively, the audio input device can be chosen by index using the
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@option{
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-audio_device_index <INDEX>
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}
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, overriding any device name or index given in the input filename.
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All available devices can be enumerated by using @option{-list_devices true}, listing
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all device names, UIDs and corresponding indices.
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@subsection Options
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AudioToolbox supports the following options:
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@table @option
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@item -audio_device_index <INDEX>
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Specify the audio device by its index. Overrides anything given in the output filename.
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@end table
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@subsection Examples
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@itemize
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@item
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Print the list of supported devices and output a sine wave to the default device:
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@example
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$ ffmpeg -f lavfi -i sine=r=44100 -f audiotoolbox -list_devices true -
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@end example
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@item
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Output a sine wave to the device with the index 2, overriding any output filename:
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@example
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$ ffmpeg -f lavfi -i sine=r=44100 -f audiotoolbox -audio_device_index 2 -
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@end example
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@end itemize
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@section caca
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CACA output device.
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