$allocate static method
Implementation
static ffi.Pointer<MpAudioData> $allocate(
ffi.Allocator $allocator, {
required int num_channels,
required double sample_rate,
required ffi.Pointer<ffi.Float> audio_data,
required int audio_data_size,
}) => $allocator<MpAudioData>()
..ref.num_channels = num_channels
..ref.sample_rate = sample_rate
..ref.audio_data = audio_data
..ref.audio_data_size = audio_data_size;