int Hi3511AoutGetStream(int nChannel, void *stream, int *size)
{
HI_S32 s32ret;
if (stream==NULL || size==NULL)
{
return -1;
}
if (nChannel<0 || nChannel>=MAX_AOUT_CHANNEL)
{
return -1;
}
if (g_Hi3511_aout_open_flag == 0)
{
return -1;
}
s32ret = HI_MPI_AO_SendFrame(0, 0, (AUDIO_FRAME_S *)stream, HI_IO_BLOCK);
if (HI_SUCCESS != s32ret)
{
printf("ao send frame err:0x%x\n",s32ret); //add by liujw 12-3-3
return NULL;
}
//printf("HI_MPI_AO_SendFrame ao send frame ok! \n"); //add by liujw 12-3-3
*size = 0;
return 0;
}
int unidoli_aduio_send(AUDIO_DEV AoDev, AO_CHN AoChn, void *buf, uint32_t len, uint32_t ms_timeout)
{
AUDIO_FRAME_S audio_frame_s;
audio_frame_s.enBitwidth = AUDIO_BIT_WIDTH_16;
audio_frame_s.enSoundmode = AUDIO_SOUND_MODE_MONO;
audio_frame_s.pVirAddr[0] = buf;
audio_frame_s.u32Len = len;
return HI_MPI_AO_SendFrame(AoDev, AoChn, &audio_frame_s, 1000);
}
/******************************************************************************
* function : get frame from Ai, send it to Aenc or Ao
******************************************************************************/
void *SAMPLE_COMM_AUDIO_AiProc(void *parg)
{
HI_S32 s32Ret;
HI_S32 AiFd;
SAMPLE_AI_S *pstAiCtl = (SAMPLE_AI_S *)parg;
AUDIO_FRAME_S stFrame;
AEC_FRAME_S stRefFrame;
fd_set read_fds;
struct timeval TimeoutVal;
AI_CHN_PARAM_S stAiChnPara;
s32Ret = HI_MPI_AI_GetChnParam(pstAiCtl->AiDev, pstAiCtl->AiChn, &stAiChnPara);
if (HI_SUCCESS != s32Ret)
{
printf("%s: Get ai chn param failed\n", __FUNCTION__);
return NULL;
}
stAiChnPara.u32UsrFrmDepth = 30;
s32Ret = HI_MPI_AI_SetChnParam(pstAiCtl->AiDev, pstAiCtl->AiChn, &stAiChnPara);
if (HI_SUCCESS != s32Ret)
{
printf("%s: set ai chn param failed\n", __FUNCTION__);
return NULL;
}
FD_ZERO(&read_fds);
AiFd = HI_MPI_AI_GetFd(pstAiCtl->AiDev, pstAiCtl->AiChn);
FD_SET(AiFd,&read_fds);
while (pstAiCtl->bStart)
{
TimeoutVal.tv_sec = 1;
TimeoutVal.tv_usec = 0;
FD_ZERO(&read_fds);
FD_SET(AiFd,&read_fds);
s32Ret = select(AiFd+1, &read_fds, NULL, NULL, &TimeoutVal);
if (s32Ret < 0)
{
break;
}
else if (0 == s32Ret)
{
printf("%s: get ai frame select time out\n", __FUNCTION__);
continue;
}
if (FD_ISSET(AiFd, &read_fds))
{
/* get frame from ai chn */
s32Ret = HI_MPI_AI_GetFrame(pstAiCtl->AiDev, pstAiCtl->AiChn,
&stFrame, &stRefFrame, HI_FALSE);
if (HI_SUCCESS != s32Ret )
{
printf("%s: HI_MPI_AI_GetFrame(%d, %d), failed with %#x!\n",\
__FUNCTION__, pstAiCtl->AiDev, pstAiCtl->AiChn, s32Ret);
//pstAiCtl->bStart = HI_FALSE;
//return NULL;
continue;
}
/* send frame to encoder */
if (HI_TRUE == pstAiCtl->bSendAenc)
{
HI_MPI_AENC_SendFrame(pstAiCtl->AencChn, &stFrame, &stRefFrame);
}
/* send frame to ao */
if (HI_TRUE == pstAiCtl->bSendAo)
{
HI_MPI_AO_SendFrame(pstAiCtl->AoDev, pstAiCtl->AoChn,
&stFrame, HI_TRUE);
}
/* finally you must release the stream */
HI_MPI_AI_ReleaseFrame(pstAiCtl->AiDev, pstAiCtl->AiChn,
&stFrame, &stRefFrame);
usleep(10000);
}
}
pstAiCtl->bStart = HI_FALSE;
return NULL;
}