// ===================================================================
//
// Function Name: ConfigAudDrv
//
// Description: Configure the driver.
//
// ====================================================================
static Result_t ConfigAudDrv (VOCAPTURE_Drv_t *audDrv,
VOCAPTURE_Configure_t *config)
{
//////////////////////////////////////////////////////////////////////////////////////////////////////
// callbackThreshold is not required now.
// If the interruptInterval is set to non-0 through _SetTransferParameters() API,
// the numBlocks and blockSize will set according to the user's requirement.
// Otherwise, we use default values.
///////////////////////////////////////////////////////////////////////////////////////////////////////
// This is not done for AMRWB yet because the DSP interface is asynchronous. //
if (audDrv->interruptInterval == 0)
{
// use default
audDrv->numFramesPerInterrupt = 4;
}
else
{
audDrv->numFramesPerInterrupt = audDrv->interruptInterval / DSP_RECORD_FRAME_DURATION;
if (audDrv->numFramesPerInterrupt == 0)
audDrv->numFramesPerInterrupt = 1;
}
memcpy (&audDrv->config, config, sizeof(VOCAPTURE_Configure_t));
OSHEAP_Delete(config);
switch (audDrv->drvType)
{
case VOCAPTURE_TYPE_AMRNB:
// totally to queue about 1 second of amr_nb data, 50 frames
audDrv->bufferSize = sizeof(VR_Frame_AMR_t) * audDrv->numFramesPerInterrupt;
audDrv->bufferNum = 50/audDrv->numFramesPerInterrupt;
break;
case VOCAPTURE_TYPE_PCM:
// totally to queue about 1 second of amr_nb data, 50 frames
audDrv->bufferSize = LIN_PCM_FRAME_SIZE*sizeof(UInt16)*audDrv->numFramesPerInterrupt; //320 bytes
if (audDrv->config.speechMode == VP_SPEECH_MODE_LINEAR_PCM_16K)
audDrv->bufferSize = WB_LIN_PCM_FRAME_SIZE*sizeof(UInt16)*audDrv->numFramesPerInterrupt;
audDrv->bufferNum = 50/audDrv->numFramesPerInterrupt;
break;
case VOCAPTURE_TYPE_AMRWB:
audDrv->bufferSize = 0x48;//0x21c; //in bytes
audDrv->bufferNum = AUDIO_SIZE_PER_PAGE/audDrv->bufferSize*8;
break;
default:
Log_DebugPrintf(LOGID_AUDIO, "ConfigAudDrv:: Doesn't support audio driver type drvType = 0x%x\n", audDrv->drvType);
break;
}
audDrv->ringBuffer = (UInt8 *)OSHEAP_Alloc (audDrv->bufferNum*audDrv->bufferSize);
audDrv->audQueue = AUDQUE_Create (audDrv->ringBuffer, audDrv->bufferNum, audDrv->bufferSize);
Log_DebugPrintf(LOGID_AUDIO, " : ConfigAudDrv::\n");
return RESULT_OK;
}
// ==============================================================================
// Function Name: ConfigAudDrv
//
// Description: Configure the voice render driver with the passed in configuration.
// ================================================================================
static Result_t ConfigAudDrv (VORENDER_Drv_t *audDrv,
VORENDER_Configure_t *config)
{
UInt32 ringBufferFrames;
memcpy (&audDrv->config, config, sizeof(VORENDER_Configure_t));
OSHEAP_Delete(config);
//////////////////////////////////////////////////////////////////////////////////////////////////////
// If the callbackThreshold and interruptInterval is set to non-0 through _SetTransferParameters() API,
// the numBlocks and blockSize will set according to the user's requirement.
// Otherwise, we use default values.
///////////////////////////////////////////////////////////////////////////////////////////////////////
// This is not done for AMRWB yet because the DSP interface is asynchronous. //
if (audDrv->callbackThreshold == 0 || audDrv->interruptInterval == 0)
{
// use default
audDrv->numFramesPerInterrupt = 4;
// totally to queue about 1 second of amr_nb data, 50 frames
ringBufferFrames = 50;
}
else
{
audDrv->numFramesPerInterrupt = audDrv->interruptInterval / DSP_RENDER_FRAME_DURATION;
if (audDrv->numFramesPerInterrupt == 0)
audDrv->numFramesPerInterrupt = 1;
ringBufferFrames = audDrv->callbackThreshold / DSP_RENDER_FRAME_DURATION;
if (ringBufferFrames == 0)
ringBufferFrames = 1;
}
switch (audDrv->drvType)
{
case VORENDER_TYPE_AMRNB:
// totally to queue about 1 second of amr_nb data, 50 frames
audDrv->bufferSize = sizeof(VR_Frame_AMR_t)*audDrv->numFramesPerInterrupt;
audDrv->bufferNum = ringBufferFrames/audDrv->numFramesPerInterrupt + 1;
break;
case VORENDER_TYPE_PCM_VPU:
// totally to queue about 1 second of amr_nb data, 50 frames
audDrv->bufferSize = (LIN_PCM_FRAME_SIZE*sizeof(UInt16))*audDrv->numFramesPerInterrupt; //320 bytes
audDrv->bufferNum = ringBufferFrames/audDrv->numFramesPerInterrupt + 1;
break;
case VORENDER_TYPE_PCM_ARM2SP:
case VORENDER_TYPE_PCM_ARM2SP2:
// totally to queue about 1 second of amr_nb data, 50 frames
audDrv->bufferSize = (ARM2SP_INPUT_SIZE/4)*audDrv->numFramesPerInterrupt; //1280 bytes, 4 frames
if (audDrv->config.samplingRate == AUDIO_SAMPLING_RATE_16000)
audDrv->bufferSize *= 2;
audDrv->bufferNum = ringBufferFrames/audDrv->numFramesPerInterrupt + 1; // arm2p is always 4 frames, not configurable.
break;
case VORENDER_TYPE_AMRWB:
// size we dump data to shared mem when we got ripisr from dsp or data from omx
audDrv->bufferSize = 0x400; // double the size of the dsp threshold
audDrv->bufferNum = AUDIO_SIZE_PER_PAGE/audDrv->bufferSize*4;
break;
default:
Log_DebugPrintf(LOGID_AUDIO, "ConfigAudDrv:: Doesn't support audio driver type drvType = 0x%x\n", audDrv->drvType);
break;
}
audDrv->ringBuffer = (UInt8 *)OSHEAP_Alloc (audDrv->bufferNum*audDrv->bufferSize);
audDrv->audQueue = AUDQUE_Create (audDrv->ringBuffer, audDrv->bufferNum, audDrv->bufferSize);
Log_DebugPrintf(LOGID_AUDIO, " ConfigAudDrv::audio driver type drvType = 0x%x, bufferSize = 0x%x, bufferNum = 0x%x\n",
audDrv->drvType, audDrv->bufferSize, audDrv->bufferNum);
return RESULT_OK;
}
