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cwAudioDeviceFile.cpp : added comments

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This commit is contained in:
kevin 2023-02-18 14:31:23 -05:00
parent 9ed0bea4d0
commit 4ecbd0d035
1 changed files with 16 additions and 8 deletions
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12
cwAudioDeviceFile.cpp
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@ -845,6 +845,7 @@ cw::rc_t cw::audio::device::file::test( const object_t* cfg)
audiofile::info_t info; audiofile::info_t info;
handle_t h; handle_t h;
// parse the test args
if((rc = cfg->getv("inAudioFname",ifname, if((rc = cfg->getv("inAudioFname",ifname,
"outAudioFname",ofname, "outAudioFname",ofname,
"framesPerCycle",framesPerCycle)) != kOkRC || ifname==nullptr || ofname==nullptr ) "framesPerCycle",framesPerCycle)) != kOkRC || ifname==nullptr || ofname==nullptr )
@ -853,30 +854,35 @@ cw::rc_t cw::audio::device::file::test( const object_t* cfg)
goto errLabel; goto errLabel;
} }
// create the audioDeviceFile mgr
if((rc = create(h,driver_ptr)) != kOkRC ) if((rc = create(h,driver_ptr)) != kOkRC )
{ {
rc = cwLogError(rc,"Error creating audio device file mgr."); rc = cwLogError(rc,"Error creating audio device file mgr.");
goto errLabel; goto errLabel;
} }
// get input file srate and channel count
if((rc = getInfo( ifname, &info )) != kOkRC ) if((rc = getInfo( ifname, &info )) != kOkRC )
{ {
rc = cwLogError(rc,"Error parsing input audio file '%s' header.",cwStringNullGuard(ifname)); rc = cwLogError(rc,"Error parsing input audio file '%s' header.",cwStringNullGuard(ifname));
goto errLabel; goto errLabel;
} }
// create an input audio file device
if((rc = createInDevice( h, devLabel, ifname, kRewindOnStartFl )) != kOkRC ) if((rc = createInDevice( h, devLabel, ifname, kRewindOnStartFl )) != kOkRC )
{ {
rc = cwLogError(rc,"Error creating the audio device file input device from the file:%s.",cwStringNullGuard(ifname)); rc = cwLogError(rc,"Error creating the audio device file input device from the file:%s.",cwStringNullGuard(ifname));
goto errLabel; goto errLabel;
} }
// create an output audio file device
if((rc = createOutDevice( h, devLabel, ofname, kRewindOnStartFl, info.chCnt, bitsPerSample )) != kOkRC ) if((rc = createOutDevice( h, devLabel, ofname, kRewindOnStartFl, info.chCnt, bitsPerSample )) != kOkRC )
{ {
rc = cwLogError(rc,"Error creating the audio device file output device from the file:%s.",cwStringNullGuard(ofname)); rc = cwLogError(rc,"Error creating the audio device file output device from the file:%s.",cwStringNullGuard(ofname));
goto errLabel; goto errLabel;
} }
// setup the audio device file device
if((rc = deviceSetup( driver_ptr, devIdx, info.srate, framesPerCycle, driverCallback, cbArg, devIdx )) != kOkRC ) if((rc = deviceSetup( driver_ptr, devIdx, info.srate, framesPerCycle, driverCallback, cbArg, devIdx )) != kOkRC )
{ {
rc = cwLogError(rc,"Error setting up the audio device file."); rc = cwLogError(rc,"Error setting up the audio device file.");
@ -884,19 +890,20 @@ cw::rc_t cw::audio::device::file::test( const object_t* cfg)
} }
sleepMicrosec = (framesPerCycle * 1e6) / info.srate; sleepMicrosec = (framesPerCycle * 1e6) / info.srate;
printf("%i\n",sleepMicrosec);
report(h); report(h);
obj.byteCnt = framesPerCycle * info.chCnt * sizeof(sample_t); obj.byteCnt = framesPerCycle * info.chCnt * sizeof(sample_t);
obj.buf = mem::allocZ<uint8_t>( obj.byteCnt ); obj.buf = mem::allocZ<uint8_t>( obj.byteCnt );
// start the audio device file
if((rc = start(h)) != kOkRC ) if((rc = start(h)) != kOkRC )
{ {
rc = cwLogError(rc,"Audio device file start failed."); rc = cwLogError(rc,"Audio device file start failed.");
goto errLabel; goto errLabel;
} }
// run the audio device file
for(unsigned i=0; i<10; ++i) for(unsigned i=0; i<10; ++i)
{ {
deviceExecute( driver_ptr, devIdx ); deviceExecute( driver_ptr, devIdx );
@ -907,12 +914,13 @@ cw::rc_t cw::audio::device::file::test( const object_t* cfg)
errLabel: errLabel:
mem::release(obj.buf); mem::release(obj.buf);
// stop the audio device file mgr.
if((rc2 = stop(h)) != kOkRC ) if((rc2 = stop(h)) != kOkRC )
rc2 = cwLogError(rc2,"Audio device file mgr. stop failed."); rc2 = cwLogError(rc2,"Audio device file mgr. stop failed.");
// destroy the audio device file mgr
if((rc1 = destroy(h)) != kOkRC ) if((rc1 = destroy(h)) != kOkRC )
rc1 = cwLogError(rc1,"Audio device file mgr. destroy failed."); rc1 = cwLogError(rc1,"Audio device file mgr. destroy failed.");
return rcSelect(rc,rc1,rc2); return rcSelect(rc,rc1,rc2);
} }