rt_audio_ops Struct Reference

#include <dev_audio.h>

Data Fields
rt_err_t(*	getcaps )(struct rt_audio_device *audio, struct rt_audio_caps *caps)
rt_err_t(*	configure )(struct rt_audio_device *audio, struct rt_audio_caps *caps)
rt_err_t(*	init )(struct rt_audio_device *audio)
rt_err_t(*	start )(struct rt_audio_device *audio, int stream)
rt_err_t(*	stop )(struct rt_audio_device *audio, int stream)
rt_ssize_t(*	transmit )(struct rt_audio_device *audio, const void *writeBuf, void *readBuf, rt_size_t size)
void(*	buffer_info )(struct rt_audio_device *audio, struct rt_audio_buf_info *info)

Detailed Description

Aduio device operators.

Field Documentation

getcaps

rt_err_t(* rt_audio_ops::getcaps) (struct rt_audio_device *audio, struct rt_audio_caps *caps)

Get audio capabilities information

configure

rt_err_t(* rt_audio_ops::configure) (struct rt_audio_device *audio, struct rt_audio_caps *caps)

Configure audio devices

init

rt_err_t(* rt_audio_ops::init) (struct rt_audio_device *audio)

Initialize audio device

start

rt_err_t(* rt_audio_ops::start) (struct rt_audio_device *audio, int stream)

Turn on the audio device

stop

rt_err_t(* rt_audio_ops::stop) (struct rt_audio_device *audio, int stream)

Turn off the audio device

transmit

rt_ssize_t(* rt_audio_ops::transmit) (struct rt_audio_device *audio, const void *writeBuf, void *readBuf, rt_size_t size)

Transmit data between application and device

buffer_info

void(* rt_audio_ops::buffer_info) (struct rt_audio_device *audio, struct rt_audio_buf_info *info)

Get page size of codec or private buffer's info