Hi3536音频单声道改双声道

╰半夏微凉° 2022-10-16 13:20 152阅读 0赞

单声道参数设置：

stAioAttr.enSamplerate   = AUDIO_SAMPLE_RATE_8000;						
        stAioAttr.enBitwidth     = AUDIO_BIT_WIDTH_16;
        stAioAttr.enWorkmode     = AIO_MODE_I2S_MASTER;
        stAioAttr.enSoundmode    = AUDIO_SOUND_MODE_MONO;
        stAioAttr.u32EXFlag      = 1;
        stAioAttr.u32FrmNum      = 30;
        stAioAttr.u32PtNumPerFrm = SAMPLE_AUDIO_PTNUMPERFRM;
        stAioAttr.u32ChnCnt      = 1;
        stAioAttr.u32ClkChnCnt   = 2;
        stAioAttr.u32ClkSel      = 0;

双声道参数设置：

stAioAttr.enSamplerate   = AUDIO_SAMPLE_RATE_8000;
    	stAioAttr.enBitwidth     = AUDIO_BIT_WIDTH_16;
    	stAioAttr.enWorkmode     = AIO_MODE_I2S_MASTER;
    	stAioAttr.enSoundmode    = AUDIO_SOUND_MODE_MONO;			//仍为单声道模式
    	stAioAttr.u32EXFlag      = 1;
    	stAioAttr.u32FrmNum      = 30;
    	stAioAttr.u32PtNumPerFrm = SAMPLE_AUDIO_PTNUMPERFRM;
    	stAioAttr.u32ChnCnt      = 2;								//通道数改为2
    	stAioAttr.u32ClkChnCnt   = 2;
    	stAioAttr.u32ClkSel      = 0;

单声道绑定输入输出

双声道绑定输入输出

/* bind AI to AO channle */
        if (HI_TRUE == gs_bUserGetMode)
        { 
            s32Ret = SAMPLE_COMM_AUDIO_CreatTrdAiAo(AiDev, AiChn, AoDev, AoChn);				//左声道
            if (s32Ret != HI_SUCCESS)
            { 
                SAMPLE_DBG(s32Ret);
                return HI_FAILURE;
            }
    
    		s32Ret = SAMPLE_COMM_AUDIO_CreatTrdAiAo(AiDev, AiChn, AoDev, AoChn+1);				//右声道
            if (s32Ret != HI_SUCCESS)
            { 
                SAMPLE_DBG(s32Ret);
                return HI_FAILURE;
            }
        }
        else
        {    
            s32Ret = SAMPLE_COMM_AUDIO_AoBindAi(AiDev, AiChn, AoDev, AoChn);					//左声道
            if (s32Ret != HI_SUCCESS)
            { 
                SAMPLE_DBG(s32Ret);
                return HI_FAILURE;
            }
    
    		s32Ret = SAMPLE_COMM_AUDIO_AoBindAi(AiDev, AiChn, AoDev, AoChn+1);					//右声道
            if (s32Ret != HI_SUCCESS)
            { 
                SAMPLE_DBG(s32Ret);
                return HI_FAILURE;
            }
        }
    	printf("ai(%d,%d) bind to ao(%d,%d) ok\n", AiDev, AiChn, AoDev, AoChn);					//左声道
        printf("ai(%d,%d) bind to ao(%d,%d) ok\n", AiDev, AiChn, AoDev, AoChn+1);				//右声道

完结，撒花！！