2019-12-24 15:05:24 +00:00
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#include "cwCommon.h"
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#include "cwLog.h"
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#include "cwCommonImpl.h"
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#include "cwMem.h"
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#include "cwTime.h"
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2019-12-26 02:44:14 +00:00
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#include "cwTextBuf.h"
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#include "cwAudioDevice.h"
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2019-12-24 15:05:24 +00:00
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#include "cwAudioBuf.h"
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2019-12-26 02:44:14 +00:00
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#include "cwAudioDeviceAlsa.h"
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#include "cwAudioDeviceTest.h"
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2019-12-24 15:05:24 +00:00
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namespace cw
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{
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namespace audio
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{
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namespace device
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{
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/// [cmAudioPortExample]
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2019-12-26 02:44:14 +00:00
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// See test() below for the main point of entry.
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2019-12-24 15:05:24 +00:00
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// Data structure used to hold the parameters for cpApPortTest()
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// and the user defined data record passed to the host from the
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// audio port callback functions.
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typedef struct
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{
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unsigned bufCnt; // 2=double buffering 3=triple buffering
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unsigned chIdx; // first test channel
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//unsigned chCnt; // count of channels to test
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unsigned framesPerCycle; // DSP frames per cycle
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unsigned bufFrmCnt; // count of DSP frames used by the audio buffer (bufCnt * framesPerCycle)
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unsigned bufSmpCnt; // count of samples used by the audio buffer (chCnt * bufFrmCnt)
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unsigned inDevIdx; // input device index
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unsigned outDevIdx; // output device index
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double srate; // audio sample rate
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unsigned meterMs; // audio meter buffer length
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// param's and state for cmApSynthSine()
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unsigned phase; // sine synth phase
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double frqHz; // sine synth frequency in Hz
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// buffer and state for cmApCopyIn/Out()
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sample_t* buf; // buf[bufSmpCnt] - circular interleaved audio buffer
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unsigned bufInIdx; // next input buffer index
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unsigned bufOutIdx; // next output buffer index
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unsigned bufFullCnt; // count of full samples
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// debugging log data arrays
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unsigned logCnt; // count of elements in log[] and ilong[]
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char* log; // log[logCnt]
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unsigned* ilog; // ilog[logCnt]
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unsigned logIdx; // current log index
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unsigned iCbCnt; // count the callback
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unsigned oCbCnt;
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} cmApPortTestRecd;
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#ifdef NOT_DEF
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// The application can request any block of channels from the device. The packets are provided with the starting
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// device channel and channel count. This function converts device channels and channel counts to buffer
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// channel indexes and counts.
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//
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// Example:
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// input output
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// i,n i n
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// App: 0,4 0 1 2 3 -> 2 2
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// Pkt 2,8 2 3 4 5 6 7 8 -> 0 2
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//
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// The return value is the count of application requested channels located in this packet.
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//
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// input: *appChIdxPtr and appChCnt describe a block of device channels requested by the application.
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// *pktChIdxPtr and pktChCnt describe a block of device channels provided to the application
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//
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// output:*appChIdxPtr and <return value> describe a block of app buffer channels which will send/recv samples.
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// *pktChIdxPtr and <return value> describe a block of pkt buffer channels which will send/recv samples
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//
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unsigned _cmApDeviceToBuffer( unsigned* appChIdxPtr, unsigned appChCnt, unsigned* pktChIdxPtr, unsigned pktChCnt )
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{
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unsigned abi = *appChIdxPtr;
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unsigned aei = abi+appChCnt-1;
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unsigned pbi = *pktChIdxPtr;
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unsigned pei = pbi+pktChCnt-1;
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// if the ch's rqstd by the app do not overlap with this packet - return false.
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if( aei < pbi || abi > pei )
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return 0;
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// if the ch's rqstd by the app overlap with the beginning of the pkt channel block
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if( abi < pbi )
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{
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appChCnt -= pbi - abi;
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*appChIdxPtr = pbi - abi;
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*pktChIdxPtr = 0;
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}
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else
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{
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// the rqstd ch's begin inside the pkt channel block
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pktChCnt -= abi - pbi;
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*pktChIdxPtr = abi - pbi;
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*appChIdxPtr = 0;
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}
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// if the pkt channels extend beyond the rqstd ch block
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if( aei < pei )
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pktChCnt -= pei - aei;
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else
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appChCnt -= aei - pei; // the rqstd ch's extend beyond or coincide with the pkt block
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// the returned channel count must always be the same for both the rqstd and pkt
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return cmMin(appChCnt,pktChCnt);
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}
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// synthesize a sine signal into an interleaved audio buffer
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unsigned _cmApSynthSine( cmApPortTestRecd* r, float* p, unsigned chIdx, unsigned chCnt, unsigned frmCnt, unsigned phs, double hz )
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{
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long ph = 0;
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unsigned i;
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unsigned bufIdx = r->chIdx;
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unsigned bufChCnt;
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if( (bufChCnt = _cmApDeviceToBuffer( &bufIdx, r->chCnt, &chIdx, chCnt )) == 0)
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return phs;
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//if( r->cbCnt < 50 )
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// printf("ch:%i cnt:%i ch:%i cnt:%i bi:%i bcn:%i\n",r->chIdx,r->chCnt,chIdx,chCnt,bufIdx,bufChCnt);
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for(i=bufIdx; i<bufIdx+bufChCnt; ++i)
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{
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unsigned j;
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float* op = p + i;
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ph = phs;
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for(j=0; j<frmCnt; j++, op+=chCnt, ph++)
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{
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*op = (float)(0.9 * sin( 2.0 * M_PI * hz * ph / r->srate ));
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}
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}
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return ph;
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}
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// Copy the audio samples in the interleaved audio buffer sp[srcChCnt*srcFrameCnt]
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// to the internal record buffer.
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void _cmApCopyIn( cmApPortTestRecd* r, const sample_t* sp, unsigned srcChIdx, unsigned srcChCnt, unsigned srcFrameCnt )
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{
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unsigned i,j;
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unsigned chCnt = cmMin(r->chCnt,srcChCnt);
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for(i=0; i<srcFrameCnt; ++i)
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{
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for(j=0; j<chCnt; ++j)
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r->buf[ r->bufInIdx + j ] = sp[ (i*srcChCnt) + j ];
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for(; j<r->chCnt; ++j)
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r->buf[ r->bufInIdx + j ] = 0;
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r->bufInIdx = (r->bufInIdx+r->chCnt) % r->bufFrmCnt;
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}
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//r->bufFullCnt = (r->bufFullCnt + srcFrameCnt) % r->bufFrmCnt;
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r->bufFullCnt += srcFrameCnt;
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}
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// Copy audio samples out of the internal record buffer into dp[dstChCnt*dstFrameCnt].
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void _cmApCopyOut( cmApPortTestRecd* r, sample_t* dp, unsigned dstChIdx, unsigned dstChCnt, unsigned dstFrameCnt )
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{
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// if there are not enough samples available to fill the destination buffer then zero the dst buf.
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if( r->bufFullCnt < dstFrameCnt )
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{
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printf("Empty Output Buffer\n");
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memset( dp, 0, dstFrameCnt*dstChCnt*sizeof(sample_t) );
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}
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else
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{
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unsigned i,j;
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unsigned chCnt = cmMin(dstChCnt, r->chCnt);
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// for each output frame
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for(i=0; i<dstFrameCnt; ++i)
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{
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// copy the first chCnt samples from the internal buf to the output buf
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for(j=0; j<chCnt; ++j)
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dp[ (i*dstChCnt) + j ] = r->buf[ r->bufOutIdx + j ];
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// zero any output ch's for which there is no internal buf channel
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for(; j<dstChCnt; ++j)
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dp[ (i*dstChCnt) + j ] = 0;
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// advance the internal buffer
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r->bufOutIdx = (r->bufOutIdx + r->chCnt) % r->bufFrmCnt;
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}
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r->bufFullCnt -= dstFrameCnt;
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}
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}
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// Audio port callback function called from the audio device thread.
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void _cmApPortCb( cmApAudioPacket_t* inPktArray, unsigned inPktCnt, cmApAudioPacket_t* outPktArray, unsigned outPktCnt )
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{
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unsigned i;
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// for each incoming audio packet
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for(i=0; i<inPktCnt; ++i)
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{
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cmApPortTestRecd* r = (cmApPortTestRecd*)inPktArray[i].userCbPtr;
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if( inPktArray[i].devIdx == r->inDevIdx )
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{
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// copy the incoming audio into an internal buffer where it can be picked up by _cpApCopyOut().
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_cmApCopyIn( r, (sample_t*)inPktArray[i].audioBytesPtr, inPktArray[i].begChIdx, inPktArray[i].chCnt, inPktArray[i].audioFramesCnt );
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}
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++r->iCbCnt;
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2019-12-24 15:05:24 +00:00
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//printf("i %4i in:%4i out:%4i\n",r->bufFullCnt,r->bufInIdx,r->bufOutIdx);
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}
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unsigned hold_phase = 0;
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// for each outgoing audio packet
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for(i=0; i<outPktCnt; ++i)
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{
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cmApPortTestRecd* r = (cmApPortTestRecd*)outPktArray[i].userCbPtr;
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if( outPktArray[i].devIdx == r->outDevIdx )
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{
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// zero the output buffer
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memset(outPktArray[i].audioBytesPtr,0,outPktArray[i].chCnt * outPktArray[i].audioFramesCnt * sizeof(sample_t) );
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// if the synth is enabled
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if( r->synthFl )
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{
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unsigned tmp_phase = _cmApSynthSine( r, outPktArray[i].audioBytesPtr, outPktArray[i].begChIdx, outPktArray[i].chCnt, outPktArray[i].audioFramesCnt, r->phase, r->frqHz );
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// the phase will only change on packets that are actually used
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if( tmp_phase != r->phase )
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hold_phase = tmp_phase;
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}
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else
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{
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// copy the any audio in the internal record buffer to the playback device
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_cmApCopyOut( r, (sample_t*)outPktArray[i].audioBytesPtr, outPktArray[i].begChIdx, outPktArray[i].chCnt, outPktArray[i].audioFramesCnt );
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}
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}
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r->phase = hold_phase;
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//printf("o %4i in:%4i out:%4i\n",r->bufFullCnt,r->bufInIdx,r->bufOutIdx);
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// count callbacks
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++r->oCbCnt;
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}
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}
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#endif
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// print the usage message for cmAudioPortTest.c
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void _cmApPrintUsage()
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{
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char msg[] =
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"cmApPortTest() command switches\n"
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"-r <srate> -c <chcnt> -b <bufcnt> -f <frmcnt> -i <idevidx> -o <odevidx> -t -p -h \n"
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"\n"
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"-r <srate> = sample rate\n"
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"-a <chidx> = first channel\n"
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"-c <chcnt> = audio channels\n"
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"-b <bufcnt> = count of buffers\n"
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"-f <frmcnt> = count of samples per buffer\n"
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"-i <idevidx> = input device index\n"
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"-o <odevidx> = output device index\n"
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"-p = print report but do not start audio devices\n"
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"-h = print this usage message\n";
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cwLogInfo(msg);
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}
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// Get a command line option. Note that if 'boolFl' is set to 'true' then the function simply
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// returns '1'. This is used to handle arguments whose presense indicates a positive boolean
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// flag. For example -h (help) indicates that the usage data should be printed - it needs no other argument.
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int _cmApGetOpt( int argc, const char* argv[], const char* label, int defaultVal, bool boolFl=false )
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{
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int i = 0;
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for(; i<argc; ++i)
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if( strcmp(label,argv[i]) == 0 )
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{
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if(boolFl)
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return 1;
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if( i == (argc-1) )
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return defaultVal;
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return atoi(argv[i+1]);
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}
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return defaultVal;
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}
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unsigned _cmGlobalInDevIdx = 0;
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unsigned _cmGlobalOutDevIdx = 0;
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void _cmApPortCb2( audioPacket_t* inPktArray, unsigned inPktCnt, audioPacket_t* outPktArray, unsigned outPktCnt )
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{
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for(unsigned i=0; i<inPktCnt; ++i)
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static_cast<cmApPortTestRecd*>(inPktArray[i].cbArg)->iCbCnt++;
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for(unsigned i=0; i<outPktCnt; ++i)
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static_cast<cmApPortTestRecd*>(outPktArray[i].cbArg)->oCbCnt++;
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buf::inputToOutput( _cmGlobalInDevIdx, _cmGlobalOutDevIdx );
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buf::update( inPktArray, inPktCnt, outPktArray, outPktCnt );
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}
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}
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}
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}
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// Audio Port testing function
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cw::rc_t cw::audio::device::test( int argc, const char** argv )
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{
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cmApPortTestRecd r;
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unsigned i;
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rc_t rc;
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driver_t* drv = nullptr;
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handle_t h;
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alsa::handle_t alsaH;
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bool runFl = true;
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if( _cmApGetOpt(argc,argv,"-h",0,true) )
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_cmApPrintUsage();
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|
|
|
|
|
|
|
|
2019-12-26 02:44:14 +00:00
|
|
|
runFl = _cmApGetOpt(argc,argv,"-p",0,true)?false:true;
|
|
|
|
r.srate = _cmApGetOpt(argc,argv,"-r",44100);
|
2019-12-27 21:52:45 +00:00
|
|
|
//r.chIdx = _cmApGetOpt(argc,argv,"-a",0);
|
|
|
|
//r.chCnt = _cmApGetOpt(argc,argv,"-c",2);
|
2019-12-26 02:44:14 +00:00
|
|
|
r.bufCnt = _cmApGetOpt(argc,argv,"-b",3);
|
|
|
|
r.framesPerCycle = _cmApGetOpt(argc,argv,"-f",512);
|
2019-12-27 21:52:45 +00:00
|
|
|
//r.bufFrmCnt = (r.bufCnt*r.framesPerCycle);
|
|
|
|
//r.bufSmpCnt = (r.chCnt * r.bufFrmCnt);
|
2019-12-24 15:05:24 +00:00
|
|
|
r.logCnt = 100;
|
|
|
|
r.meterMs = 50;
|
|
|
|
|
|
|
|
sample_t buf[r.bufSmpCnt];
|
|
|
|
char log[r.logCnt];
|
|
|
|
unsigned ilog[r.logCnt];
|
|
|
|
|
2019-12-26 02:44:14 +00:00
|
|
|
r.inDevIdx = _cmGlobalInDevIdx = _cmApGetOpt(argc,argv,"-i",0);
|
2019-12-27 21:52:45 +00:00
|
|
|
r.outDevIdx = _cmGlobalOutDevIdx = _cmApGetOpt(argc,argv,"-o",0);
|
2019-12-24 15:05:24 +00:00
|
|
|
r.phase = 0;
|
|
|
|
r.frqHz = 2000;
|
|
|
|
r.bufInIdx = 0;
|
|
|
|
r.bufOutIdx = 0;
|
|
|
|
r.bufFullCnt = 0;
|
|
|
|
r.logIdx = 0;
|
|
|
|
|
|
|
|
r.buf = buf;
|
|
|
|
r.log = log;
|
|
|
|
r.ilog = ilog;
|
2019-12-27 21:52:45 +00:00
|
|
|
r.iCbCnt = 0;
|
|
|
|
r.oCbCnt = 0;
|
|
|
|
|
|
|
|
//cwLogInfo("Program cfg: %s in:%i out:%i chidx:%i chs:%i bufs=%i frm=%i rate=%f",runFl?"exec":"rpt",r.inDevIdx,r.outDevIdx,r.chIdx,r.chCnt,r.bufCnt,r.framesPerCycle,r.srate);
|
2019-12-24 15:05:24 +00:00
|
|
|
|
2019-12-26 02:44:14 +00:00
|
|
|
|
|
|
|
// initialize the audio device interface
|
|
|
|
if((rc = create(h)) != kOkRC )
|
2019-12-24 15:05:24 +00:00
|
|
|
{
|
2019-12-26 02:44:14 +00:00
|
|
|
cwLogInfo("Initialize failed.");
|
2019-12-24 15:05:24 +00:00
|
|
|
goto errLabel;
|
|
|
|
}
|
|
|
|
|
2019-12-26 02:44:14 +00:00
|
|
|
// initialize the ALSA device driver interface
|
|
|
|
if((rc = alsa::create(alsaH, drv )) != kOkRC )
|
2019-12-24 15:05:24 +00:00
|
|
|
{
|
2019-12-26 02:44:14 +00:00
|
|
|
cwLogInfo("ALSA initialize failed.");
|
2019-12-24 15:05:24 +00:00
|
|
|
goto errLabel;
|
|
|
|
}
|
2019-12-26 02:44:14 +00:00
|
|
|
|
|
|
|
// register the ALSA device driver with the audio interface
|
|
|
|
if((rc = registerDriver( h, drv )) != kOkRC )
|
2019-12-24 15:05:24 +00:00
|
|
|
{
|
2019-12-26 02:44:14 +00:00
|
|
|
cwLogInfo("ALSA driver registration failed.");
|
2019-12-24 15:05:24 +00:00
|
|
|
goto errLabel;
|
|
|
|
}
|
|
|
|
|
|
|
|
// report the current audio device configuration
|
2019-12-26 02:44:14 +00:00
|
|
|
for(i=0; i<deviceCount(h); ++i)
|
2019-12-24 15:05:24 +00:00
|
|
|
{
|
2019-12-27 21:52:45 +00:00
|
|
|
cwLogInfo("%i [in: chs=%i frames=%i] [out: chs=%i frames=%i] srate:%8.1f %s",i,deviceChannelCount(h,i,true),deviceFramesPerCycle(h,i,true),deviceChannelCount(h,i,false),deviceFramesPerCycle(h,i,false),deviceSampleRate(h,i),deviceLabel(h,i));
|
2019-12-24 15:05:24 +00:00
|
|
|
}
|
2019-12-26 02:44:14 +00:00
|
|
|
|
2019-12-24 15:05:24 +00:00
|
|
|
// report the current audio devices using the audio port interface function
|
2019-12-27 21:52:45 +00:00
|
|
|
//report(h);
|
2019-12-24 15:05:24 +00:00
|
|
|
|
|
|
|
if( runFl )
|
|
|
|
{
|
|
|
|
// initialize the audio bufer
|
2019-12-26 02:44:14 +00:00
|
|
|
buf::initialize( deviceCount(h), r.meterMs );
|
2019-12-24 15:05:24 +00:00
|
|
|
|
|
|
|
// setup the buffer for the output device
|
2019-12-26 02:44:14 +00:00
|
|
|
buf::setup( r.outDevIdx, r.srate, r.framesPerCycle, r.bufCnt, deviceChannelCount(h,r.outDevIdx,true), r.framesPerCycle, deviceChannelCount(h,r.outDevIdx,false), r.framesPerCycle );
|
2019-12-24 15:05:24 +00:00
|
|
|
|
|
|
|
// setup the buffer for the input device
|
2019-12-27 21:52:45 +00:00
|
|
|
//if( r.inDevIdx != r.outDevIdx )
|
2019-12-26 02:44:14 +00:00
|
|
|
buf::setup( r.inDevIdx, r.srate, r.framesPerCycle, r.bufCnt, deviceChannelCount(h,r.inDevIdx,true), r.framesPerCycle, deviceChannelCount(h,r.inDevIdx,false), r.framesPerCycle );
|
2019-12-24 15:05:24 +00:00
|
|
|
|
|
|
|
// setup an output device
|
2019-12-26 02:44:14 +00:00
|
|
|
if(deviceSetup(h, r.outDevIdx,r.srate,r.framesPerCycle,_cmApPortCb2,&r) != kOkRC )
|
2019-12-24 15:05:24 +00:00
|
|
|
cwLogInfo("Out device setup failed.");
|
|
|
|
else
|
|
|
|
// setup an input device
|
2019-12-26 02:44:14 +00:00
|
|
|
if( deviceSetup(h, r.inDevIdx,r.srate,r.framesPerCycle,_cmApPortCb2,&r) != kOkRC )
|
2019-12-24 15:05:24 +00:00
|
|
|
cwLogInfo("In device setup failed.");
|
|
|
|
else
|
|
|
|
// start the input device
|
2019-12-26 02:44:14 +00:00
|
|
|
if( deviceStart(h, r.inDevIdx) != kOkRC )
|
2019-12-24 15:05:24 +00:00
|
|
|
cwLogInfo("In device start failed.");
|
|
|
|
else
|
|
|
|
// start the output device
|
2019-12-26 02:44:14 +00:00
|
|
|
if( deviceStart(h, r.outDevIdx) != kOkRC )
|
2019-12-24 15:05:24 +00:00
|
|
|
cwLogInfo("Out Device start failed.");
|
2019-12-26 02:44:14 +00:00
|
|
|
else
|
|
|
|
cwLogInfo("Setup complete!");
|
2019-12-24 15:05:24 +00:00
|
|
|
|
2019-12-26 02:44:14 +00:00
|
|
|
|
2019-12-27 21:52:45 +00:00
|
|
|
cwLogInfo("q=quit O/o output tone, I/i input tone, P/p pass M/m meter s=buf report");
|
|
|
|
|
|
|
|
//buf::enableTone( r.outDevIdx,-1,buf::kOutFl | buf::kEnableFl);
|
|
|
|
//buf::enableMeter(r.outDevIdx,-1,buf::kOutFl | buf::kEnableFl);
|
|
|
|
|
2019-12-24 15:05:24 +00:00
|
|
|
char c;
|
|
|
|
while((c=getchar()) != 'q')
|
|
|
|
{
|
2019-12-26 02:44:14 +00:00
|
|
|
deviceRealTimeReport(h, r.outDevIdx );
|
2019-12-24 15:05:24 +00:00
|
|
|
|
|
|
|
switch(c)
|
|
|
|
{
|
|
|
|
case 'i':
|
|
|
|
case 'I':
|
|
|
|
buf::enableTone(r.inDevIdx,-1,buf::kInFl | (c=='I'?buf::kEnableFl:0));
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'o':
|
|
|
|
case 'O':
|
|
|
|
buf::enableTone(r.outDevIdx,-1,buf::kOutFl | (c=='O'?buf::kEnableFl:0));
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'p':
|
|
|
|
case 'P':
|
|
|
|
buf::enablePass(r.outDevIdx,-1,buf::kOutFl | (c=='P'?buf::kEnableFl:0));
|
|
|
|
break;
|
2019-12-27 21:52:45 +00:00
|
|
|
|
|
|
|
case 'M':
|
|
|
|
case 'm':
|
|
|
|
buf::enableMeter( r.inDevIdx, -1, buf::kInFl | (c=='M'?buf::kEnableFl:0));
|
|
|
|
buf::enableMeter( r.outDevIdx, -1, buf::kOutFl | (c=='M'?buf::kEnableFl:0));
|
|
|
|
break;
|
2019-12-24 15:05:24 +00:00
|
|
|
|
|
|
|
case 's':
|
2019-12-26 02:44:14 +00:00
|
|
|
buf::report();
|
2019-12-24 15:05:24 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
// stop the input device
|
2019-12-26 02:44:14 +00:00
|
|
|
if( deviceIsStarted(h,r.inDevIdx) )
|
|
|
|
if( deviceStop(h,r.inDevIdx) != kOkRC )
|
2019-12-24 15:05:24 +00:00
|
|
|
cwLogInfo("In device stop failed.");
|
|
|
|
|
|
|
|
// stop the output device
|
2019-12-26 02:44:14 +00:00
|
|
|
if( deviceIsStarted(h,r.outDevIdx) )
|
|
|
|
if( deviceStop(h,r.outDevIdx) != kOkRC )
|
2019-12-24 15:05:24 +00:00
|
|
|
cwLogInfo("Out device stop failed.");
|
|
|
|
}
|
|
|
|
|
|
|
|
errLabel:
|
|
|
|
|
2019-12-26 02:44:14 +00:00
|
|
|
// release the ALSA driver
|
|
|
|
rc_t rc0 = alsa::destroy(alsaH);
|
|
|
|
|
2019-12-24 15:05:24 +00:00
|
|
|
// release any resources held by the audio port interface
|
2019-12-26 02:44:14 +00:00
|
|
|
rc_t rc1 = destroy(h);
|
|
|
|
|
|
|
|
rc_t rc2 = buf::finalize();
|
2019-12-24 15:05:24 +00:00
|
|
|
|
|
|
|
//cmApNrtFree();
|
|
|
|
//cmApFileFree();
|
|
|
|
|
|
|
|
// report the count of audio buffer callbacks
|
2019-12-27 21:52:45 +00:00
|
|
|
cwLogInfo("cb count: i:%i o:%i", r.iCbCnt, r.oCbCnt );
|
2019-12-24 15:05:24 +00:00
|
|
|
|
2019-12-26 02:44:14 +00:00
|
|
|
return rcSelect(rc,rc0,rc1,rc2);
|
2019-12-24 15:05:24 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/// [cmAudioPortExample]
|
|
|
|
|
|
|
|
|