162 lines
4.9 KiB
C
162 lines
4.9 KiB
C
|
#ifndef AUDIO_MIXER_H
|
|||
|
|
#define AUDIO_MIXER_H
|
|||
|
|
|
|||
|
|
#include "generic/typedef.h"
|
|||
|
|
#include "generic/list.h"
|
|||
|
|
|
|||
|
|
#define MIXER_EXT_MAX_NUM 4 // 扩展输出最大通道
|
|||
|
|
#define PCM_0dB_VALUE 16384
|
|||
|
|
enum {
|
|||
|
|
MIXER_EVENT_CH_OPEN,
|
|||
|
|
MIXER_EVENT_CH_CLOSE,
|
|||
|
|
MIXER_EVENT_CH_RESET,
|
|||
|
|
};
|
|||
|
|
#define BIT16_MODE 0
|
|||
|
|
#define BIT24_MODE BIT(0)
|
|||
|
|
#define BIT32_MODE BIT(1)
|
|||
|
|
|
|||
|
|
struct audio_mixer;
|
|||
|
|
|
|||
|
|
struct audio_mix_handler {
|
|||
|
|
int (*mix_probe)(struct audio_mixer *);
|
|||
|
|
int (*mix_output)(struct audio_mixer *, s16 *, u16);
|
|||
|
|
#if MIXER_EXT_MAX_NUM
|
|||
|
|
/* 扩展输出回调接口
|
|||
|
|
* 最后一个参数代表当前输出的通道序号，0到ext_output_num-1;
|
|||
|
|
* 扩展输出不检测返回值，每次输出的长度与mix_output的返回值相同;
|
|||
|
|
*/
|
|||
|
|
int (*mix_output_ext)(struct audio_mixer *, s16 *, u16, u8);
|
|||
|
|
#endif
|
|||
|
|
int (*mix_post)(struct audio_mixer *);
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
struct audio_mixer {
|
|||
|
|
struct list_head head;
|
|||
|
|
s16 *output;
|
|||
|
|
u16 points;
|
|||
|
|
u16 remain_points;
|
|||
|
|
u32 sample_position : 20;
|
|||
|
|
#if MIXER_EXT_MAX_NUM
|
|||
|
|
int ext_output_addr[MIXER_EXT_MAX_NUM]; // 扩展输出buf地址，每个buf的长度与point相同
|
|||
|
|
u8 ext_output_num; // 扩展输出通道总数
|
|||
|
|
#endif
|
|||
|
|
const struct audio_mix_handler *mix_handler;
|
|||
|
|
void (*evt_handler)(struct audio_mixer *, int);
|
|||
|
|
volatile u8 active;
|
|||
|
|
volatile u8 bit_mode_en;
|
|||
|
|
volatile u8 point_len;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
struct audio_pcm_edit {
|
|||
|
|
u8 hide : 1;
|
|||
|
|
u8 highlight : 1;
|
|||
|
|
u8 state;
|
|||
|
|
u8 ch_num;
|
|||
|
|
u8 fade_chs;
|
|||
|
|
s16 fade_step;
|
|||
|
|
s16 fade_volume;
|
|||
|
|
s16 volume;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
struct audio_mixer_ch {
|
|||
|
|
u8 start;
|
|||
|
|
u8 pause;
|
|||
|
|
u8 open;
|
|||
|
|
u32 no_wait : 1; // 不等待有数
|
|||
|
|
u32 lose : 1; // 丢数标记
|
|||
|
|
u32 need_resume : 1;
|
|||
|
|
u8 start_by_position;
|
|||
|
|
u16 offset;
|
|||
|
|
u32 sample_rate;
|
|||
|
|
u16 lose_time; // 超过该时间还没有数据，则以为可以丢数。no_wait置1有效
|
|||
|
|
unsigned long lose_limit_time; // 丢数超时中间运算变量
|
|||
|
|
struct list_head entry;
|
|||
|
|
struct audio_mixer *mixer;
|
|||
|
|
#if MIXER_EXT_MAX_NUM
|
|||
|
|
u32 ext_out_mask; // 标记该通道输出的扩展通道，如输出到第0和第2个，ext_flag |= BTI(0)|BIT(2)
|
|||
|
|
u8 main_out_dis; // 不输出到主通道
|
|||
|
|
#endif
|
|||
|
|
u32 slience_samples;
|
|||
|
|
u32 mix_timeout;
|
|||
|
|
u32 starting_position : 20;
|
|||
|
|
void *priv;
|
|||
|
|
void (*event_handler)(void *priv, int event);
|
|||
|
|
void *lose_priv;
|
|||
|
|
void (*lose_callback)(void *lose_priv, int lose_len);
|
|||
|
|
void *resume_data;
|
|||
|
|
void (*resume_callback)(void *);
|
|||
|
|
struct audio_pcm_edit *editor;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
|
|||
|
|
int audio_mixer_open(struct audio_mixer *mixer);
|
|||
|
|
|
|||
|
|
void audio_mixer_set_handler(struct audio_mixer *, const struct audio_mix_handler *);
|
|||
|
|
|
|||
|
|
void audio_mixer_set_event_handler(struct audio_mixer *mixer,
|
|||
|
|
void (*handler)(struct audio_mixer *, int));
|
|||
|
|
|
|||
|
|
void audio_mixer_set_output_buf(struct audio_mixer *mixer, s16 *buf, u16 len);
|
|||
|
|
|
|||
|
|
int audio_mixer_get_sample_rate(struct audio_mixer *mixer);
|
|||
|
|
|
|||
|
|
int audio_mixer_get_ch_num(struct audio_mixer *mixer);
|
|||
|
|
|
|||
|
|
int audio_mixer_ch_open(struct audio_mixer_ch *ch, struct audio_mixer *mixer);
|
|||
|
|
|
|||
|
|
void audio_mixer_ch_set_sample_rate(struct audio_mixer_ch *ch, u32 sample_rate);
|
|||
|
|
|
|||
|
|
int audio_mixer_reset(struct audio_mixer_ch *ch, struct audio_mixer *mixer);
|
|||
|
|
|
|||
|
|
int audio_mixer_ch_reset(struct audio_mixer_ch *ch);
|
|||
|
|
|
|||
|
|
int audio_mixer_ch_write(struct audio_mixer_ch *ch, s16 *data, int len);
|
|||
|
|
|
|||
|
|
int audio_mixer_ch_close(struct audio_mixer_ch *ch);
|
|||
|
|
|
|||
|
|
void audio_mixer_ch_pause(struct audio_mixer_ch *ch, u8 pause);
|
|||
|
|
|
|||
|
|
int audio_mixer_ch_data_len(struct audio_mixer_ch *ch);
|
|||
|
|
|
|||
|
|
int audio_mixer_ch_add_slience_samples(struct audio_mixer_ch *ch, int samples);
|
|||
|
|
|
|||
|
|
void audio_mixer_ch_set_resume_handler(struct audio_mixer_ch *ch, void *priv, void (*resume)(void *));
|
|||
|
|
|
|||
|
|
int audio_mixer_get_active_ch_num(struct audio_mixer *mixer);
|
|||
|
|
|
|||
|
|
void audio_mixer_ch_set_event_handler(struct audio_mixer_ch *ch, void *priv, void (*handler)(void *, int));
|
|||
|
|
|
|||
|
|
// 设置通道没数据时不等待（超时直接丢数）
|
|||
|
|
void audio_mixer_ch_set_no_wait(struct audio_mixer_ch *ch, void *lose_priv, void (*lose_cb)(void *, int), u8 no_wait, u16 time_ms);
|
|||
|
|
|
|||
|
|
#if MIXER_EXT_MAX_NUM
|
|||
|
|
|
|||
|
|
void audio_mixer_set_ext_output_buf(struct audio_mixer *mixer, int *buf_addr_lst, u8 ext_num);
|
|||
|
|
|
|||
|
|
u32 audio_mixer_ch_get_ext_out_mask(struct audio_mixer_ch *ch);
|
|||
|
|
void audio_mixer_ch_set_ext_out_mask(struct audio_mixer_ch *ch, u32 mask);
|
|||
|
|
void audio_mixer_ch_main_out_disable(struct audio_mixer_ch *ch, u8 disable);
|
|||
|
|
|
|||
|
|
#endif /* MIXER_EXT_MAX_NUM */
|
|||
|
|
|
|||
|
|
|
|||
|
|
int audio_mixer_get_output_buf_len(struct audio_mixer *mixer);
|
|||
|
|
|
|||
|
|
int audio_mixer_ch_set_starting_position(struct audio_mixer_ch *ch, u32 postion, int timeout);
|
|||
|
|
|
|||
|
|
void audio_mixer_position_correct(struct audio_mixer *ch, int diff);
|
|||
|
|
|
|||
|
|
u32 audio_mixer_get_input_position(struct audio_mixer *mixer);
|
|||
|
|
|
|||
|
|
int audio_mixer_get_start_ch_num(struct audio_mixer *mixer);
|
|||
|
|
|
|||
|
|
void audio_mixer_set_mode(struct audio_mixer *mixer, u8 point_len, u8 bit_mode_en);
|
|||
|
|
|
|||
|
|
int audio_mixer_ch_sound_highlight(struct audio_mixer_ch *ch, int hide_volume, int fade_frames, u8 data_channels);
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
#endif
|
|||
|
|
|