libcw/cwAudioDeviceFile.cpp

390 lines
9.7 KiB
C++

#include "cwCommon.h"
#include "cwLog.h"
#include "cwCommonImpl.h"
#include "cwMem.h"
#include "cwFile.h"
#include "cwObject.h"
#include "cwAudioFile.h"
#include "cwAudioDeviceDecls.h"
#include "cwAudioDevice.h"
namespace cw
{
namespace audio
{
namespace device
{
namespace file
{
enum {
kInFl = 0x01,
kOutFl = 0x02
};
typedef struct dev_str
{
char* label;
audioPacket_t pkt;
float* pktAudioBuf;
unsigned framesPerCycle;
double srate;
char* iInFname;
audiofile::handle_t iFileH;
unsigned iFlags;
char* oInFname;
audiofile::handle_t oFileH;
unsigned oFlags;
unsigned oChCnt;
unsigned oBitsPerSample;
struct dev_str* link;
} dev_t;
typedef struct dev_mgr_str
{
driver_t* driver;
dev_t* list;
} dev_mgr_t;
dev_mgr_t* _handleToPtr( handle_t h )
{ return handleToPtr<handle_t,dev_mgr_t>(h); }
dev_mgr_t* _driverToPtr( driver_t* drvr )
{ return (dev_mgr_t*)drvr->drvArg; }
dev_t* _labelToDev( dev_mgr_t* p, const char* label )
{
dev_t* d = p->label;
for(; d!=nullptr; d=d->link)
if( textCompare(d->label,label) == 0 )
return d;
return nullptr;
}
dev_t* _indexToDev( dev_mgr_t* p, unsigned devIdx )
{
unsigned i = 0;
dev_t* d = p->dev;
for(; d!=nullptr; d=d->link)
{
if( i == devIdx )
return d;
++i;
}
}
rc_t _indexToDev( dev_mgr_t* p, unsigned devIdx, dev_t*& devPtrRef )
{
rc_t rc = kOkRC;
if((devPtrRef = _indexToDev(p,devIdx)) == nullptr )
rc = cwLogError(kInvalidArgRC,"The audio file device index %i is invalid.",devIdx);
return rc;
}
dev_t* _findOrCreateDev( dev_mgr_t* p, const char* label )
{
dev_t* d;
if((d = _labelToDev(p,label)) != nullptr )
return d;
d = mem::allocZ<dev_t>();
d->label = mem::duplStr(label);
if(d0 == nullptr)
p->list = d;
else
d0->link = d;
return d;
}
void _close_input( dev_t* d )
{
if( d->iFileH.isValid() )
{
close(d->iFileH);
d->israte = 0;
d->iFramesPerCycle = 0;
}
}
rc_t _open_input( dev_t* d )
{
rc_t rc;
audiofile::handle_t iFileH;
// open the requested audio flie
if((rc = open( iFileH, audioInFile, &info )) != kOkRC )
{
rc = cwLogError(rc,"Audio file device open failed on '%s'.",cwStringNullGuard(audioInFile));
goto errLabel;
}
// if the device input file is already open - then close it
if( d->iFileH.isValid() )
{
cwLogWarning("The audio file device '%s' input file '%s' has been closed prior to opening '%s'.",name(d->iFileH),cwStringNullGuard(audioInFile));
_close_input(d);
}
}
void _close_output( dev_t* d )
{
if( d->oFileH.isValid() )
{
close(d->oFileH);
d->osrate = 0;
d->oFramesPerCycle = 0;
}
}
rc_t _open_output( dev_t* d )
{
audiofile::handle_t oFileH;
// open the requested audio flie
if((rc = create( oFileH, audioOutFile, srate, bitsPerSample, chN )) != kOkRC )
{
rc = cwLogError(rc,"Audio file device open failed on '%s'.",cwStringNullGuard(audioInFile));
goto errLabel;
}
}
rc_t _destroy( dev_mgr_t* p )
{
rc_t rc = kOkRC;
dev_t* d = p->list;
while( d != nullptr )
{
dev_t* d0 = d->link;
_close_input(d);
_close_output(d);
mem::release(d->label);
mem::release(d);
d = d0;
}
return rc;
}
}
}
}
}
cw::rc_t cw::audio::device::file::create( handle_t& hRef, struct driver_str*& drvRef )
{
rc_t rc;
if((rc = destroy(hRef)) != kOkRC )
return rc;
dev_mgr_t* p = mem::allocZ<dev_mgr_t>();
p->driver.drvArg = p;
p->driver.deviceCount = deviceCount;
p->driver.deviceLabel = deviceLabel;
p->driver.deviceChannelCount = deviceChannelCount;
p->driver.deviceSampleRate = deviceSampleRate;
p->driver.deviceFramesPerCycle = deviceFramesPerCycle;
p->driver.deviceSetup = deviceSetup;
p->driver.deviceStart = deviceStart;
p->driver.deviceStop = deviceStop;
p->driver.deviceIsStarted = deviceIsStarted;
p->driver.deviceRealTimeReport = deviceRealTimeReport;
drvRef = &p->driver;
hRef.set(p);
return rc;
}
cw::rc_t cw::audio::device::file::destroy( handle_t& hRef )
{
rc_t rc = kOkRC;
if( !hRef.isValid() )
return rc;
dev_mgr_t* p = _handleToPtr(hRef);
if((rc = _destroy(p)) != kOkRC )
return rc;
h.clear();
return rc;
}
unsigned cw::audio::device::file::deviceCount( struct driver_str* drv)
{
dev_mgr_t* p = _driverToPtr(drv);
dev_t* d = p->list;
for(; d!=nullptr; d=d->link)
++n;
return n;
}
const char* cw::audio::device::file::deviceLabel( struct driver_str* drv, unsigned devIdx )
{
dev_t* d = nullptr;
dev_mgr_t* p = _driverToPtr(drv);
if((rc = _indexToDev( p, devIdx, d )) != kOkRC )
return nullptr;
return d->label;
}
unsigned cw::audio::device::file::deviceChannelCount( struct driver_str* drv, unsigned devIdx, bool inputFl )
{
dev_t* d = nullptr;
dev_mgr_t* p = _driverToPtr(drv);
if((rc = _indexToDev( p, devIdx, d )) != kOkRC )
return 0;
return channelCount( inputFl ? d->iFileH : d->oFileH );
}
double cw::audio::device::file::deviceSampleRate( struct driver_str* drv, unsigned devIdx )
{
dev_t* d = nullptr;
dev_mgr_t* p = _driverToPtr(drv);
if((rc = _indexToDev( p, devIdx, d )) != kOkRC )
return 0;
return inputFl ? d->israte : d->osrate;
}
unsigned cw::audio::device::file::deviceFramesPerCycle( struct driver_str* drv, unsigned devIdx, bool inputFl )
{
dev_t* d = nullptr;
dev_mgr_t* p = _driverToPtr(drv);
if((rc = _indexToDev( p, devIdx, d )) != kOkRC )
return nullptr;
return inputFl ? d->iFramesPerCycle : d->oFramesPerCycle;
}
cw::rc_t cw::audio::device::file::deviceSetup( struct driver_str* drv, unsigned devIdx, double sr, unsigned frmPerCycle, cbFunc_t cbFunc, void* cbArg )
{
assert(0); // not yet implemented
}
cw::rc_t cw::audio::device::file::deviceStart( struct driver_str* drv, unsigned devIdx )
{
rc_t rc0 = kOkRC;
rc_t rc1 = kOkRC;
dev_t* d = nullptr;
dev_mgr_t* p = _driverToPtr(drv);
if((rc0 = _indexToDev( p, devIdx, d )) == kOkRC )
{
if( d->iFileH.isValid() && cwIsSet(d->iFlags,kRewindOnStartFl) )
if((rc0 = seek(d->iFileH,0)) != kOkRC )
rc0 = cwLogError(rc0,"Rewind on start failed on the audio device file input file.");
if( d->oFileH.isValid() && cwIsSet(d->oFlags,kRewindOnStartFl) )
if((rc1 = seek(d->oFileH,0)) != kOkRC )
rc1 = cwLogError(rc1,"Rewind on start failed on the audio device file output file.");
}
return rcSelect(rc0,rc1);
}
cw::rc_t cw::audio::device::file::deviceStop( struct driver_str* drv, unsigned devIdx )
{
rc_t rc = kOkRC;
dev_t* d = nullptr;
dev_mgr_t* p = _driverToPtr(drv);
if((rc = _indexToDev( p, devIdx, d )) == kOkRC )
if( d->oFileH.isValid() )
if((rc = flush(d->ofileH)) != kOkRC )
rc = cwLogError(rc,"Flush on stop failed on the audio device file output file.");
return rc;
}
bool cw::audio::device::file::deviceIsStarted( struct driver_str* drv, unsigned devIdx )
{
}
void cw::audio::device::file::deviceRealTimeReport( struct driver_str* drv, unsigned devIdx )
{
}
cw::rc_t cw::audio::device::file::createInDevice( handle_t& h, const char* label, const char* audioInFile, unsigned framesPerCycle, unsigned flags )
{
rc_t rc;
handle_t iFileH;
info_t info;
dev_t* d;
dev_mgr_t* p = _handleToPtr(hRef);
// create or find a device
if((d = _findOrCreateDev(p, label )) == nullptr )
{
rc = cwLogError(kOpFailRC,"Audio file device create failed.");
goto errLabel;
}
d->iFname = mem::duplStr(audioInFile);
d->iFlags = flags;
errLabel:
return rc;
}
cw::rc_t cw::audio::device::file::createOutDevice( handle_t& h, const char* label, const char* audioOutFile, unsigned flags, unsigned chCnt, unsigned bitsPerSample )
{
rc_t rc;
dev_t* d;
dev_mgr_t* p = _handleToPtr(hRef);
// create or find a device
if((d = _findOrCreateDev(p, label )) == nullptr )
{
rc = cwLogError(kOpFailRC,"Audio file device create failed.");
goto errLabel;
}
d->oFname = mem::duplStr(audioOutFile);
d->oFlags = flags;
d->oChCnt = chCnt;
d->oBitsPerSample = bitsPerSample;
errLabel:
return rc;
}
cw::rc_t cw::audio::device::file::deviceExec( handle_t& h, unsigned devIdx )
{
}
cw::rc_t cw::audio::device::file::report(handle_t h )
{
}
cw::rc_t cw::audio::device::file::report()
{
}