Convenience method to set the number of channels as a property on the given
* format.
*
* Note for PCM: If the channel count is left unspecified in the pa_format_info
* object, then the server will select the stream channel count. In that case
* the stream channel count will most likely match the device channel count,
* meaning that up/downmixing will be avoided.
*
* \since 1.0
Convenience method to set the number of channels as a property on the given * format. * * Note for PCM: If the channel count is left unspecified in the pa_format_info * object, then the server will select the stream channel count. In that case * the stream channel count will most likely match the device channel count, * meaning that up/downmixing will be avoided. * * \since 1.0