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hisi3520dv400 音频输出,立体声模式,可以输出声音 但是声音左右声道都在一起了
本帖最后由 qn1586314774 于 2020-6-4 20:44 编辑
使用mpp/sample/audio中提供的demo
修改地方
stAioAttr.enSoundmode = AUDIO_SOUND_MODE_STEREO;//AUDIO_SOUND_MODE_MONO
stAioAttr.u32ChnCnt = 2;//1
音频芯片:TLV320AIC3104
测试:制作的音频区分左右声道,使用这个例子播放音频,不知为什么,左右声道不区分?
源代码如下:
/[code]******************************************************************************
* function : file -> Adec -> Ao
******************************************************************************/
HI_S32 SAMPLE_AUDIO_AdecAo(HI_VOID)
{
HI_S32 s32Ret;
AUDIO_DEV AoDev = SAMPLE_AUDIO_AO_DEV;
AO_CHN AoChn = 0;
ADEC_CHN AdChn = 0;
FILE *pfd = NULL;
HI_U32 AoChnCnt = 0;
AIO_ATTR_S stAioAttr;
stAioAttr.enSamplerate = AUDIO_SAMPLE_RATE_48000;//AUDIO_SAMPLE_RATE_44100
stAioAttr.enBitwidth = AUDIO_BIT_WIDTH_16;
stAioAttr.enWorkmode = AIO_MODE_I2S_MASTER;
stAioAttr.enSoundmode = AUDIO_SOUND_MODE_STEREO;// AUDIO_SOUND_MODE_STEREO
stAioAttr.u32EXFlag = 1;
stAioAttr.u32FrmNum = 30;
stAioAttr.u32PtNumPerFrm = SAMPLE_AUDIO_PTNUMPERFRM;
stAioAttr.u32ChnCnt = 2;//1
stAioAttr.u32ClkChnCnt = 2;
stAioAttr.u32ClkSel = 0;
if(PT_AAC == gs_enPayloadType)
{
//stAioAttr.u32PtNumPerFrm = AACLC_SAMPLES_PER_FRAME;
}
#ifdef HI_ACODEC_TYPE_TLV320AIC31
stAioAttr.u32ClkSel = 1;
#endif
gs_pstAiReSmpAttr = NULL;
gs_pstAoReSmpAttr = NULL;
s32Ret = SAMPLE_COMM_AUDIO_CfgAcodec(&stAioAttr);
if (HI_SUCCESS != s32Ret)
{
SAMPLE_DBG(s32Ret);
return HI_FAILURE;
}
AoChnCnt = stAioAttr.u32ChnCnt >> stAioAttr.enSoundmode;
g_u32AoCnt = AoChnCnt;
g_u32AoDev = AoDev;
enInSampleRate = AUDIO_SAMPLE_RATE_BUTT;
enOutSampleRate = AUDIO_SAMPLE_RATE_BUTT;
//s32Ret = SAMPLE_COMM_AUDIO_StartAo(AoDev, AoChnCnt, &stAioAttr, AUDIO_SAMPLE_RATE_BUTT, HI_FALSE, HI_NULL, 0);
s32Ret = SAMPLE_COMM_AUDIO_StartAo(AoDev, AoChnCnt, &stAioAttr, enInSampleRate, enOutSampleRate, HI_NULL, 0);
if (s32Ret != HI_SUCCESS)
{
SAMPLE_DBG(s32Ret);
return HI_FAILURE;
}
//打开音频原始文件,读取写入
g_u32Adec = AdChn;
s32Ret = SAMPLE_COMM_AUDIO_StartAdec(AdChn, gs_enPayloadType);
if (s32Ret != HI_SUCCESS)
{
SAMPLE_DBG(s32Ret);
return HI_FAILURE;
}
s32Ret = SAMPLE_COMM_AUDIO_AoBindAdec(AoDev, AoChn, AdChn);
if (s32Ret != HI_SUCCESS)
{
SAMPLE_DBG(s32Ret);
return HI_FAILURE;
}
pfd = SAMPLE_AUDIO_OpenAdecFile(AdChn, gs_enPayloadType);
if (!pfd)
{
SAMPLE_DBG(HI_FAILURE);
return HI_FAILURE;
}
s32Ret = SAMPLE_COMM_AUDIO_CreatTrdFileAdec(AdChn, pfd);
if (s32Ret != HI_SUCCESS)
{
SAMPLE_DBG(s32Ret);
return HI_FAILURE;
}
printf("bind adec:%d to ao(%d,%d) ok \n", AdChn, AoDev, AoChn);
printf("\nplease press twice ENTER to exit this sample\n");
getchar();
getchar();
s32Ret = SAMPLE_COMM_AUDIO_DestoryTrdFileAdec(AdChn);
if (s32Ret != HI_SUCCESS)
{
SAMPLE_DBG(s32Ret);
return HI_FAILURE;
}
s32Ret = SAMPLE_COMM_AUDIO_StopAdec(AdChn);
if (s32Ret != HI_SUCCESS)
{
SAMPLE_DBG(s32Ret);
return HI_FAILURE;
}
s32Ret = SAMPLE_COMM_AUDIO_StopAo(AoDev, AoChnCnt, gs_bAioReSample, HI_FALSE);
if (s32Ret != HI_SUCCESS)
{
SAMPLE_DBG(s32Ret);
return HI_FAILURE;
}
s32Ret = SAMPLE_COMM_AUDIO_AoUnbindAdec(AoDev, AoChn, AdChn);
if (s32Ret != HI_SUCCESS)
{
SAMPLE_DBG(s32Ret);
return HI_FAILURE;
}
return HI_SUCCESS;
}
[/code]
使用mpp/sample/audio中提供的demo
修改地方
stAioAttr.enSoundmode = AUDIO_SOUND_MODE_STEREO;//AUDIO_SOUND_MODE_MONO
stAioAttr.u32ChnCnt = 2;//1
音频芯片:TLV320AIC3104
测试:制作的音频区分左右声道,使用这个例子播放音频,不知为什么,左右声道不区分?
源代码如下:
/[code]******************************************************************************
* function : file -> Adec -> Ao
******************************************************************************/
HI_S32 SAMPLE_AUDIO_AdecAo(HI_VOID)
{
HI_S32 s32Ret;
AUDIO_DEV AoDev = SAMPLE_AUDIO_AO_DEV;
AO_CHN AoChn = 0;
ADEC_CHN AdChn = 0;
FILE *pfd = NULL;
HI_U32 AoChnCnt = 0;
AIO_ATTR_S stAioAttr;
stAioAttr.enSamplerate = AUDIO_SAMPLE_RATE_48000;//AUDIO_SAMPLE_RATE_44100
stAioAttr.enBitwidth = AUDIO_BIT_WIDTH_16;
stAioAttr.enWorkmode = AIO_MODE_I2S_MASTER;
stAioAttr.enSoundmode = AUDIO_SOUND_MODE_STEREO;// AUDIO_SOUND_MODE_STEREO
stAioAttr.u32EXFlag = 1;
stAioAttr.u32FrmNum = 30;
stAioAttr.u32PtNumPerFrm = SAMPLE_AUDIO_PTNUMPERFRM;
stAioAttr.u32ChnCnt = 2;//1
stAioAttr.u32ClkChnCnt = 2;
stAioAttr.u32ClkSel = 0;
if(PT_AAC == gs_enPayloadType)
{
//stAioAttr.u32PtNumPerFrm = AACLC_SAMPLES_PER_FRAME;
}
#ifdef HI_ACODEC_TYPE_TLV320AIC31
stAioAttr.u32ClkSel = 1;
#endif
gs_pstAiReSmpAttr = NULL;
gs_pstAoReSmpAttr = NULL;
s32Ret = SAMPLE_COMM_AUDIO_CfgAcodec(&stAioAttr);
if (HI_SUCCESS != s32Ret)
{
SAMPLE_DBG(s32Ret);
return HI_FAILURE;
}
AoChnCnt = stAioAttr.u32ChnCnt >> stAioAttr.enSoundmode;
g_u32AoCnt = AoChnCnt;
g_u32AoDev = AoDev;
enInSampleRate = AUDIO_SAMPLE_RATE_BUTT;
enOutSampleRate = AUDIO_SAMPLE_RATE_BUTT;
//s32Ret = SAMPLE_COMM_AUDIO_StartAo(AoDev, AoChnCnt, &stAioAttr, AUDIO_SAMPLE_RATE_BUTT, HI_FALSE, HI_NULL, 0);
s32Ret = SAMPLE_COMM_AUDIO_StartAo(AoDev, AoChnCnt, &stAioAttr, enInSampleRate, enOutSampleRate, HI_NULL, 0);
if (s32Ret != HI_SUCCESS)
{
SAMPLE_DBG(s32Ret);
return HI_FAILURE;
}
//打开音频原始文件,读取写入
g_u32Adec = AdChn;
s32Ret = SAMPLE_COMM_AUDIO_StartAdec(AdChn, gs_enPayloadType);
if (s32Ret != HI_SUCCESS)
{
SAMPLE_DBG(s32Ret);
return HI_FAILURE;
}
s32Ret = SAMPLE_COMM_AUDIO_AoBindAdec(AoDev, AoChn, AdChn);
if (s32Ret != HI_SUCCESS)
{
SAMPLE_DBG(s32Ret);
return HI_FAILURE;
}
pfd = SAMPLE_AUDIO_OpenAdecFile(AdChn, gs_enPayloadType);
if (!pfd)
{
SAMPLE_DBG(HI_FAILURE);
return HI_FAILURE;
}
s32Ret = SAMPLE_COMM_AUDIO_CreatTrdFileAdec(AdChn, pfd);
if (s32Ret != HI_SUCCESS)
{
SAMPLE_DBG(s32Ret);
return HI_FAILURE;
}
printf("bind adec:%d to ao(%d,%d) ok \n", AdChn, AoDev, AoChn);
printf("\nplease press twice ENTER to exit this sample\n");
getchar();
getchar();
s32Ret = SAMPLE_COMM_AUDIO_DestoryTrdFileAdec(AdChn);
if (s32Ret != HI_SUCCESS)
{
SAMPLE_DBG(s32Ret);
return HI_FAILURE;
}
s32Ret = SAMPLE_COMM_AUDIO_StopAdec(AdChn);
if (s32Ret != HI_SUCCESS)
{
SAMPLE_DBG(s32Ret);
return HI_FAILURE;
}
s32Ret = SAMPLE_COMM_AUDIO_StopAo(AoDev, AoChnCnt, gs_bAioReSample, HI_FALSE);
if (s32Ret != HI_SUCCESS)
{
SAMPLE_DBG(s32Ret);
return HI_FAILURE;
}
s32Ret = SAMPLE_COMM_AUDIO_AoUnbindAdec(AoDev, AoChn, AdChn);
if (s32Ret != HI_SUCCESS)
{
SAMPLE_DBG(s32Ret);
return HI_FAILURE;
}
return HI_SUCCESS;
}
[/code]
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