56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
#ifndef _AUDIO_DVOL_H_
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#define _AUDIO_DVOL_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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/*Digital Volume Channel*/
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#define MUSIC_DVOL 0xA1
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#define CALL_DVOL 0xA2
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#define TONE_DVOL 0xA3
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#define HEARING_DVOL 0xA4
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/*Digital Volume Fade Step*/
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#define MUSIC_DVOL_FS 2
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#define CALL_DVOL_FS 4
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#define TONE_DVOL_FS 30
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#define HEARING_DVOL_FS 2
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/*Digital Volume Max Level*/
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#define MUSIC_DVOL_MAX 16
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#define CALL_DVOL_MAX 15
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#define TONE_DVOL_MAX 16
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#define HEARING_DVOL_MAX 16
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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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char vol_limit; /*最大数字音量限制*/
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u8 idx; /*数字音量通道索引*/
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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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#endif/*BG_DVOL_FADE_ENABLE*/
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struct list_head entry;
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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(u16 *vol_table, u16 vol_max);
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void audio_digital_vol_bg_fade(u8 fade_out);
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dvol_handle *audio_digital_vol_open(u8 dvol_idx, u8 vol, u8 vol_max, u16 fade_step, char vol_limit);
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void audio_digital_vol_close(u8 dvol_idx);
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void audio_digital_vol_set(u8 dvol_idx, u8 vol);
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int audio_digital_vol_get(u8 dvol_idx);
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int audio_digital_vol_run(u8 dvol_idx, void *data, u32 len);
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void audio_digital_vol_reset_fade(u8 dvol_idx);
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void audio_digital_vol_set_no_fade(u8 dvol_idx, u8 vol);
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#endif/*_AUDIO_DVOL_H_*/
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