Function ffmpeg_sys_next::swr_set_channel_mapping

pub unsafe extern "C" fn swr_set_channel_mapping(
    s: *mut SwrContext, 
    channel_map: *const c_int
) -> c_int

Set a customized input channel mapping.

@param[in,out] s allocated Swr context, not yet initialized @param[in] channel_map customized input channel mapping (array of channel indexes, -1 for a muted channel) @return >= 0 on success, or AVERROR error code in case of failure.