80 lines
2.9 KiB
C
80 lines
2.9 KiB
C
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#ifndef _AUDIO_DIGITAL_VOL_H_
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#define _AUDIO_DIGITAL_VOL_H_
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#include "generic/typedef.h"
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#include "os/os_type.h"
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#include "os/os_api.h"
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#include "generic/list.h"
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#define BG_DVOL_FADE_ENABLE 1 /*多路声音叠加，背景声音自动淡出小声*/
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typedef struct {
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u8 toggle; /*数字音量开关*/
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u8 fade; /*淡入淡出标志*/
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u8 vol; /*淡入淡出当前音量(level)*/
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u8 vol_max; /*淡入淡出最大音量(level)*/
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s16 vol_fade; /*淡入淡出对应的起始音量*/
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#if BG_DVOL_FADE_ENABLE
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s16 vol_bk; /*后台自动淡出前音量值*/
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struct list_head entry;
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#endif
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volatile s16 vol_target; /*淡入淡出对应的目标音量*/
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volatile u16 fade_step; /*淡入淡出的步进*/
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} dvol_handle;
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int audio_digital_vol_init(void);
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void audio_digital_vol_bg_fade(u8 fade_out);
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dvol_handle *audio_digital_vol_open(u8 vol, u8 vol_max, u16 fade_step);
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void audio_digital_vol_close(dvol_handle *dvol);
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void audio_digital_vol_set(dvol_handle *dvol, u8 vol);
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u8 audio_digital_vol_get(void);
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int audio_digital_vol_run(dvol_handle *dvol, void *data, u32 len);
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void audio_digital_vol_reset_fade(dvol_handle *dvol);
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/*************************自定义支持重入的数字音量调节****************************/
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void *user_audio_digital_volume_open(u8 vol, u8 vol_max, u16 fade_step);
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int user_audio_digital_volume_close(void *_d_volume);
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u8 user_audio_digital_volume_get(void *_d_volume);
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int user_audio_digital_volume_set(void *_d_volume, u8 vol);
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int user_audio_digital_volume_reset_fade(void *_d_volume);
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int user_audio_digital_volume_run(void *_d_volume, void *data, u32 len, u8 ch_num);
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void user_audio_digital_handler_run(void *_d_volume, void *data, u32 len);
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void user_audio_digital_set_volume_tab(void *_d_volume, u16 *user_vol_tab, u8 user_vol_max);
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void *user_audio_process_open(void *parm, void *priv, void (*handler)(void *priv, void *data, int len, u8 ch_num));
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int user_audio_process_close(void *_uparm_hdl);
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void user_audio_process_handler_run(void *_uparm_hdl, void *data, u32 len, u8 ch_num);
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struct user_audio_digital_parm {
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u8 en;
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u8 vol;
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u8 vol_max;
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u16 fade_step;
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};
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struct digital_volume {
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u8 toggle; /*数字音量开关*/
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u8 fade; /*淡入淡出标志*/
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u8 vol; /*淡入淡出当前音量*/
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u8 vol_max; /*淡入淡出最大音量*/
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s16 vol_fade; /*淡入淡出对应的起始音量*/
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volatile s16 vol_target; /*淡入淡出对应的目标音量*/
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volatile u16 fade_step; /*淡入淡出的步进*/
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OS_MUTEX mutex;
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u8 ch_num;
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void *priv;
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u8 user_vol_max; /*自定义音量表级数*/
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volatile s16 *user_vol_tab; /*自定义音量表*/
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};
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struct user_audio_parm {
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void *priv;
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void (*handler)(void *priv, void *data, int len, u8 ch_num);/*用户自定义回调处理*/
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struct digital_volume *dvol_hdl;
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};
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#endif
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