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