播放器底层设备更多...

#include "audio_play_device.h"
#include "audio_play_api.h"
#include "audio_play_process.h"
#include <string.h>
#include "audio_play_os_port.h"
#include "ci130x_codec.h"
#include "sdk_default_config.h"
#include "FreeRTOS.h"
#include "codec_manager.h"
#include "romlib_runtime.h"
#include "board.h"

函数
int	cm_start_codec (int codec_index, io_direction_t io_dir)
	启动指定的音频CODEC播放或录音。更多...

int	cm_stop_codec (int codec_index, io_direction_t io_dir)
	停止指定的音频CODEC播放或录音。更多...

int	cm_set_codec_mute (int codec_index, io_direction_t io_dir, int channel_flag, FunctionalState en)
	设置静音模式。更多...

int	cm_set_codec_dac_gain (int codec_index, cm_cha_sel_t cha, int gain)
	设置DAC的增益（0 —— 100）更多...

void	cm_get_pcm_buffer (int codec_index, uint32_t *ret_buf, uint32_t wait_tick)
	从指定的音频CODEC获取空闲的PCM数据buffer，用于填充PCM数据后再通过cm_write_codec接口写入音频CODEC。更多...

int	cm_write_codec (int codec_index, void *pcm_buffer, uint32_t wait_tick)
	向指定的音频CODEC写入数据。更多...

void	send_one_buf_done_event (void *xHigherPriorityTaskWoken)
	buf释放回调函数更多...

void	audio_play_hw_timeout (void *xHigherPriorityTaskWoken)
	硬件超时回调函数更多...

void	audio_play_hw_per_init (void)
	播放硬件声卡预初始化更多...

void	audio_play_set_vol_gain (int32_t gain)
	调节播放音量更多...

int32_t	audio_play_get_vol_gain (void)
	获取当前播放音量更多...

void	audio_play_set_mute (bool is_mute)
	设置静音更多...

void	audio_play_hw_pa_da_ctl (FunctionalState cmd, bool is_control_pa)
	pa、da控制，可选择是否控制功放更多...

void	audio_play_hw_start (FunctionalState pa_cmd, audio_format_info_t *audio_format_info)
	声卡驱动开始播放更多...

void	audio_play_hw_stop (FunctionalState pa_cmd)
	声卡驱动停止播放更多...

int32_t	audio_play_hw_write_data (void *pcm_buf, uint32_t buf_size)
	向硬件写入音频数据更多...

int32_t	audio_play_hw_clean_data (void)
	清理写入硬件的音频数据更多...

int32_t	audio_play_hw_queue_is_full (void)
	查询音频数据消息是否发满更多...

int32_t	audio_play_hw_get_queue_remain_nums (void)
	查询硬件待处理的消息个数更多...

变量
int	sg_play_device_index = PLAY_CODEC_ID

static int32_t	g_audio_play_gain = 0

详细描述

播放器底层设备

版本: 1.0

日期: 2019-04-02

版权所有: Copyright (c) 2019 Chipintelli Technology Co., Ltd.

函数说明

◆ audio_play_get_vol_gain()

int32_t audio_play_get_vol_gain ( void )

获取当前播放音量

返回: int32_t 音量(0–100)

◆ audio_play_hw_clean_data()

int32_t audio_play_hw_clean_data ( void )

清理写入硬件的音频数据

◆ audio_play_hw_get_queue_remain_nums()

int32_t audio_play_hw_get_queue_remain_nums ( void )

查询硬件待处理的消息个数

◆ audio_play_hw_pa_da_ctl()

void audio_play_hw_pa_da_ctl	(	FunctionalState	cmd,
		bool	is_control_pa
	)

pa、da控制，可选择是否控制功放

参数

cmd pa使能或失能

< 输入
< 输出

◆ audio_play_hw_per_init()

void audio_play_hw_per_init ( void )

播放硬件声卡预初始化

◆ audio_play_hw_queue_is_full()

int32_t audio_play_hw_queue_is_full ( void )

查询音频数据消息是否发满

◆ audio_play_hw_start()

void audio_play_hw_start	(	FunctionalState	pa_cmd,
		audio_format_info_t *	audio_format_info
	)

声卡驱动开始播放

◆ audio_play_hw_stop()

void audio_play_hw_stop ( FunctionalState pa_cmd )

声卡驱动停止播放

◆ audio_play_hw_timeout()

void audio_play_hw_timeout ( void * xHigherPriorityTaskWoken )

硬件超时回调函数

参数

xHigherPriorityTaskWoken 中断退出OS调度任务标志

◆ audio_play_hw_write_data()

int32_t audio_play_hw_write_data	(	void *	pcm_buf,
		uint32_t	buf_size
	)

向硬件写入音频数据

◆ audio_play_set_mute()

void audio_play_set_mute ( bool is_mute )

设置静音

参数

is_mute 是否静音

◆ audio_play_set_vol_gain()

void audio_play_set_vol_gain ( int32_t gain )

调节播放音量

参数

gain 音量(0–100)

◆ send_one_buf_done_event()

void send_one_buf_done_event ( void * xHigherPriorityTaskWoken )

buf释放回调函数

参数

xHigherPriorityTaskWoken 中断退出OS调度任务标志

变量说明

◆ g_audio_play_gain

int32_t g_audio_play_gain = 0

static

◆ sg_play_device_index

int sg_play_device_index = PLAY_CODEC_ID