276 lines
8.8 KiB
C++
276 lines
8.8 KiB
C++
#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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#include "cwTextBuf.h"
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#include "cwAudioDevice.h"
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#include "cwAudioBuf.h"
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#include "cwAudioDeviceAlsa.h"
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#include "cwAudioDeviceTest.h"
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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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// See test() below for the main point of entry.
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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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unsigned iCbCnt; // count the callback
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unsigned oCbCnt;
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buf::handle_t audioBufH;
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} cmApPortTestRecd;
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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( void* arg, audioPacket_t* inPktArray, unsigned inPktCnt, audioPacket_t* outPktArray, unsigned outPktCnt )
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{
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cmApPortTestRecd* p = static_cast<cmApPortTestRecd*>(arg);
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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( p->audioBufH, _cmGlobalInDevIdx, _cmGlobalOutDevIdx );
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buf::update( p->audioBufH, 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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runFl = _cmApGetOpt(argc,argv,"-p",0,true)?false:true;
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r.srate = _cmApGetOpt(argc,argv,"-r",44100);
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//r.chIdx = _cmApGetOpt(argc,argv,"-a",0);
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//r.chCnt = _cmApGetOpt(argc,argv,"-c",2);
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r.bufCnt = _cmApGetOpt(argc,argv,"-b",3);
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r.framesPerCycle = _cmApGetOpt(argc,argv,"-f",512);
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//r.bufFrmCnt = (r.bufCnt*r.framesPerCycle);
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//r.bufSmpCnt = (r.chCnt * r.bufFrmCnt);
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//r.logCnt = 100;
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r.meterMs = 50;
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r.inDevIdx = _cmGlobalInDevIdx = _cmApGetOpt(argc,argv,"-i",0);
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r.outDevIdx = _cmGlobalOutDevIdx = _cmApGetOpt(argc,argv,"-o",0);
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r.iCbCnt = 0;
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r.oCbCnt = 0;
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//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);
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// initialize the audio device interface
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if((rc = create(h)) != kOkRC )
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{
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cwLogInfo("Initialize failed.");
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goto errLabel;
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}
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// initialize the ALSA device driver interface
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if((rc = alsa::create(alsaH, drv )) != kOkRC )
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{
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cwLogInfo("ALSA initialize failed.");
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goto errLabel;
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}
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// register the ALSA device driver with the audio interface
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if((rc = registerDriver( h, drv )) != kOkRC )
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{
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cwLogInfo("ALSA driver registration failed.");
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goto errLabel;
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}
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// report the current audio device configuration
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for(i=0; i<deviceCount(h); ++i)
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{
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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));
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}
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// report the current audio devices using the audio port interface function
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//report(h);
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if( runFl )
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{
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// initialize the audio bufer
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buf::create( r.audioBufH, deviceCount(h), r.meterMs );
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// setup the buffer for the output device
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buf::setup( r.audioBufH, r.outDevIdx, r.srate, r.framesPerCycle, r.bufCnt, deviceChannelCount(h,r.outDevIdx,true), r.framesPerCycle, deviceChannelCount(h,r.outDevIdx,false), r.framesPerCycle );
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// setup the buffer for the input device
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//if( r.inDevIdx != r.outDevIdx )
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buf::setup( r.audioBufH, r.inDevIdx, r.srate, r.framesPerCycle, r.bufCnt, deviceChannelCount(h,r.inDevIdx,true), r.framesPerCycle, deviceChannelCount(h,r.inDevIdx,false), r.framesPerCycle );
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// setup an output device
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if(deviceSetup(h, r.outDevIdx,r.srate,r.framesPerCycle,_cmApPortCb2,&r) != kOkRC )
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cwLogInfo("Out device setup failed.");
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else
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// setup an input device
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if( deviceSetup(h, r.inDevIdx,r.srate,r.framesPerCycle,_cmApPortCb2,&r) != kOkRC )
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cwLogInfo("In device setup failed.");
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else
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// start the input device
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if( deviceStart(h, r.inDevIdx) != kOkRC )
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cwLogInfo("In device start failed.");
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else
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// start the output device
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if( deviceStart(h, r.outDevIdx) != kOkRC )
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cwLogInfo("Out Device start failed.");
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else
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cwLogInfo("Setup complete!");
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cwLogInfo("q=quit O/o output tone, I/i input tone, P/p pass M/m meter s=buf report");
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// turn on the meters
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buf::enableMeter(r.audioBufH, r.outDevIdx,-1,buf::kOutFl | buf::kEnableFl);
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char c;
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while((c=getchar()) != 'q')
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{
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deviceRealTimeReport(h, r.outDevIdx );
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switch(c)
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{
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case 'i':
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case 'I':
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buf::enableTone(r.audioBufH, r.inDevIdx,-1,buf::kInFl | (c=='I'?buf::kEnableFl:0));
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break;
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case 'o':
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case 'O':
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buf::enableTone(r.audioBufH, r.outDevIdx,-1,buf::kOutFl | (c=='O'?buf::kEnableFl:0));
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break;
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case 'p':
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case 'P':
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buf::enablePass(r.audioBufH, r.outDevIdx,-1,buf::kOutFl | (c=='P'?buf::kEnableFl:0));
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break;
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case 'M':
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case 'm':
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buf::enableMeter( r.audioBufH, r.inDevIdx, -1, buf::kInFl | (c=='M'?buf::kEnableFl:0));
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buf::enableMeter( r.audioBufH, r.outDevIdx, -1, buf::kOutFl | (c=='M'?buf::kEnableFl:0));
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break;
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case 's':
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buf::report(r.audioBufH);
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break;
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}
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}
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// stop the input device
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if( deviceIsStarted(h,r.inDevIdx) )
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if( deviceStop(h,r.inDevIdx) != kOkRC )
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cwLogInfo("In device stop failed.");
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// stop the output device
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if( deviceIsStarted(h,r.outDevIdx) )
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if( deviceStop(h,r.outDevIdx) != kOkRC )
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cwLogInfo("Out device stop failed.");
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}
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errLabel:
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// release the ALSA driver
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rc_t rc0 = alsa::destroy(alsaH);
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// release any resources held by the audio port interface
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rc_t rc1 = destroy(h);
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rc_t rc2 = buf::destroy(r.audioBufH);
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//cmApNrtFree();
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//cmApFileFree();
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// report the count of audio buffer callbacks
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cwLogInfo("cb count: i:%i o:%i", r.iCbCnt, r.oCbCnt );
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return rcSelect(rc,rc0,rc1,rc2);
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}
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/// [cmAudioPortExample]
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