265 lines
7.4 KiB
C
265 lines
7.4 KiB
C
/*
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****************************************************************
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* AUDIO_CVP_DEMO
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* File : audio_cvp_demo.c
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* By :
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* Notes :清晰语音测试使用，请不要修改本demo，如有需求，请拷贝副
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* 本，自行修改!
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* Usage :
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*(1)测试单mic降噪
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*(2)支持监听：监听原始数据/处理后的数据(MONITOR)
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* MIC ---------> CVP ---------->SPK
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* | |
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* monitor probe monitor post
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*(3)调用audio_cvp_test()即可测试cvp模块
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****************************************************************
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*/
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#include "asm/includes.h"
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#include "media/includes.h"
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#include "system/includes.h"
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#include "audio_config.h"
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#include "aec_user.h"
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#include "clock_cfg.h"
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#define CVP_LOG_ENABLE
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#ifdef CVP_LOG_ENABLE
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#define CVP_LOG(x, ...) g_printf("[cvp_demo]" x " ", ## __VA_ARGS__)
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#else
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#define CVP_LOG(...)
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#endif/*CVP_LOG_ENABLE*/
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extern struct audio_dac_hdl dac_hdl;
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extern struct audio_adc_hdl adc_hdl;
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#define MIC_CH_NUM 1
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#define MIC_BUF_NUM 2
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#define MIC_IRQ_POINTS 256
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#define MIC_BUFS_SIZE (MIC_BUF_NUM * MIC_IRQ_POINTS * MIC_CH_NUM)
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#define CVP_MONITOR_DIS 0 //监听关闭
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#define CVP_MONITOR_PROBE 1 //监听处理前数据
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#define CVP_MONITOR_POST 2 //监听处理后数据
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//默认监听选择
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#define CVP_MONITOR_SEL CVP_MONITOR_POST
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typedef struct {
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u8 monitor;
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struct audio_adc_output_hdl adc_output;
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struct adc_mic_ch mic_ch;
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s16 tmp_buf[320 * 2];
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s16 mic_buf[MIC_BUFS_SIZE];
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} audio_cvp_t;
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audio_cvp_t *cvp_demo = NULL;
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extern int audio_cvp_open(u16 sample_rate, s16 enablebit, int (*out_hdl)(s16 *data, u16 len), void (*param_hdl)(struct aec_s_attr *p));
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extern void audio_cvp_close(void);
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extern void audio_cvp_inbuf(s16 *buf, u16 len);
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/*监听输出：默认输出到dac*/
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static int cvp_monitor_output(s16 *data, int len)
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{
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#if (TCFG_AUDIO_DAC_CONNECT_MODE == DAC_OUTPUT_LR)//双声道数据结构
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int i = 0;
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for (i = 0; i < (len / 2); i++) {
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cvp_demo->tmp_buf[i * 2] = data[i];
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cvp_demo->tmp_buf[i * 2 + 1] = data[i];
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}
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int wlen = app_audio_output_write(cvp_demo->tmp_buf, len * 2);
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if (wlen != (len * 2)) {
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CVP_LOG("monitor output full\n");
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}
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#else //单声道数据结构
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int wlen = app_audio_output_write(data, len);
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if (wlen != len) {
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CVP_LOG("monitor output full\n");
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}
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#endif/*TCFG_AUDIO_DAC_CONNECT_MODE*/
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return wlen;
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}
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/*监听使能*/
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static int cvp_monitor_en(u8 en, int sr)
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{
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CVP_LOG("cvp_monitor_en:%d,sr:%d\n", en, sr);
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if (en) {
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app_audio_state_switch(APP_AUDIO_STATE_MUSIC, get_max_sys_vol());
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s8 vol = app_audio_get_volume(APP_AUDIO_STATE_MUSIC);
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CVP_LOG("cur_vol:%d,max_sys_vol:%d\n", vol, get_max_sys_vol());
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audio_dac_set_volume(&dac_hdl, vol, vol);
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app_audio_output_samplerate_set(sr);
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app_audio_output_start();
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} else {
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app_audio_output_stop();
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}
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return 0;
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}
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/*mic adc原始数据输出*/
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static void mic_output(void *priv, s16 *data, int len)
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{
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struct audio_adc_hdl *hdl = priv;
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putchar('o');
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if (hdl == NULL) {
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printf("audio_adc_hdl err:NULL!!!!");
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return;
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}
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if (cvp_demo->monitor == CVP_MONITOR_PROBE) {
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cvp_monitor_output(data, len);
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}
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audio_cvp_inbuf(data, len);
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}
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/*打开mic*/
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static void mic_open(int sr, u8 gain)
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{
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CVP_LOG("mic_open: %d, %d\n", sr, gain);
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if (cvp_demo) {
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audio_adc_mic_open(&cvp_demo->mic_ch, AUDIO_ADC_MIC_CH, &adc_hdl);
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audio_adc_mic_set_sample_rate(&cvp_demo->mic_ch, sr);
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audio_adc_mic_set_gain(&cvp_demo->mic_ch, gain);
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audio_adc_mic_set_buffs(&cvp_demo->mic_ch, cvp_demo->mic_buf, MIC_IRQ_POINTS * 2, MIC_BUF_NUM);
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cvp_demo->adc_output.handler = mic_output;
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cvp_demo->adc_output.priv = &adc_hdl;
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audio_adc_add_output_handler(&adc_hdl, &cvp_demo->adc_output);
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audio_adc_mic_start(&cvp_demo->mic_ch);
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CVP_LOG("mic_open succ\n");
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}
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}
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/*关闭mic*/
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static void mic_close(void)
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{
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if (cvp_demo) {
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audio_adc_mic_close(&cvp_demo->mic_ch);
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audio_adc_del_output_handler(&adc_hdl, &cvp_demo->adc_output);
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}
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}
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/*清晰语音数据输出*/
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static int cvp_output_hdl(s16 *data, u16 len)
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{
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/* putchar('.'); */
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if (cvp_demo->monitor == CVP_MONITOR_POST) {
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cvp_monitor_output(data, len);
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}
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return len;
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}
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/*清晰语音参数*/
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static void cvp_param_hdl(struct aec_s_attr *p)
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{
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/*AGC*/
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p->agc_en = 0;
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p->AGC_NDT_fade_in_step = 1.3f;
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p->AGC_NDT_fade_out_step = 0.9f;
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p->AGC_DT_fade_in_step = 1.3f;
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p->AGC_DT_fade_out_step = 0.9f;
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p->AGC_NDT_max_gain = 12.f;
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p->AGC_NDT_min_gain = 0.f;
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p->AGC_NDT_speech_thr = -50.f;
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p->AGC_DT_max_gain = 12.f;
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p->AGC_DT_min_gain = 0.f;
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p->AGC_DT_speech_thr = -40.f;
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p->AGC_echo_look_ahead = 0;
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p->AGC_echo_present_thr = -70.f;
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p->AGC_echo_hold = 400;
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/*AEC*/
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p->AEC_DT_AggressiveFactor = 1.f; /*范围：1~5，越大追踪越好，但会不稳定,如破音*/
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p->AEC_RefEngThr = -70.f; /*范围：-90 ~ -60 dB*/
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/*ES*/
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p->ES_AggressFactor = -2.5f; /*范围：-1 ~ -5*/
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p->ES_MinSuppress = 0.f; /*范围：0 ~ 10*/
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p->ES_Unconverge_OverDrive = p->ES_MinSuppress;
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/*ANS*/
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p->ANS_mode = 1;
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p->ANS_AggressFactor = 1.25f; /*范围：1~2,动态调整,越大越强(1.25f)*/
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p->ANS_MinSuppress = 0.04f; /*范围：0~1,静态定死最小调整,越小越强(0.09f)*/
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p->ANS_NoiseLevel = 2.2e4f;
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/*EQ*/
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p->ul_eq_en = 0;
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}
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/*
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*********************************************************************
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* AUDIO CVP DEMO OPEN
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* Description: 打开cvp模块
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* Arguments : sr mic和cvp采样率(8000/16000)
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* gain mic增益
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* enablebit cvp使能模块(AEC_EN、NLP_EN、ANS_EN)
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* monitor mic数据（通过DAC）监听
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* Return : None.
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* Note(s) : (1)打开一个mic通道示例：
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* audio_cvp_demo_open(16000, 10, ANS_EN, 2);
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*********************************************************************
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*/
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int audio_cvp_demo_open(int sr, u8 gain, s16 enablebit, u8 monitor)
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{
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if (cvp_demo == NULL) {
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cvp_demo = zalloc(sizeof(audio_cvp_t));
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ASSERT(cvp_demo);
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cvp_demo->monitor = monitor;
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if (cvp_demo->monitor) {
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cvp_monitor_en(1, sr);
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}
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mic_open(sr, gain);
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audio_cvp_open(sr, enablebit, cvp_output_hdl, cvp_param_hdl);
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clock_set_cur();
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CVP_LOG("cvp demo open\n");
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} else {
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CVP_LOG("[err] cvp demo alreadly open !!!\n");
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}
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return 0;
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}
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/*关闭cvp demo*/
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int audio_cvp_demo_close(void)
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{
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if (cvp_demo) {
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mic_close();
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if (cvp_demo->monitor) {
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cvp_monitor_en(0, 0);
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}
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audio_cvp_close();
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clock_set_cur();
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free(cvp_demo);
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cvp_demo = NULL;
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CVP_LOG("cvp demo close\n");
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}
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return 0;
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}
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/*清晰语音测试模块*/
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int audio_cvp_test(void)
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{
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if (cvp_demo == NULL) {
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audio_cvp_demo_open(16000, 10, ANS_EN, CVP_MONITOR_SEL);
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} else {
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audio_cvp_demo_close();
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}
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return 0;
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}
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/*切换监听源*/
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void audio_cvp_monitor_change(void)
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{
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if (cvp_demo) {
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cvp_demo->monitor ++;
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if (cvp_demo->monitor > 2) {
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cvp_demo->monitor = 0;
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}
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}
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}
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static u8 audio_cvp_idle_query()
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{
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return (cvp_demo == NULL) ? 1 : 0;
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}
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REGISTER_LP_TARGET(audio_cvp_lp_target) = {
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.name = "audio_cvp",
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.is_idle = audio_cvp_idle_query,
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};
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