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cwIo : Added audioGroupReconfigure().

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This commit is contained in:
kevin 2024-06-10 20:38:44 -04:00
parent 1d98f0088e
commit c3e46696cf
2 changed files with 163 additions and 10 deletions
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172
cwIo.cpp
View File

@ -96,6 +96,8 @@ namespace cw
audioGroup_t* oGroup; //
audio_group_dev_t* iagd; // Audio group device record assoc'd with this device
audio_group_dev_t* oagd; //
unsigned cycleCnt;
unsigned framesPerCycle;
struct audioDev_str* clockInList; // List of devices sync'd to this devices input clock
struct audioDev_str* clockOutList; // List of devices sync'd to this devices output clock
@ -1636,6 +1638,85 @@ namespace cw
errLabel:
return rc;
}
rc_t _audioDeviceConfigure( io_t* p, audioDev_t* ad, audioGroup_t* iag, audioGroup_t* oag, unsigned cycleCnt, unsigned framesPerCycle )
{
rc_t rc = kOkRC;
double israte = 0;
double osrate = 0;
double srate = 0;
unsigned iDspFrameCnt = 0;
unsigned oDspFrameCnt = 0;
unsigned dspFrameCnt = 0;
unsigned iChCnt = 0;
unsigned oChCnt = 0;
const char* inGroupLabel = iag==nullptr || iag->msg.label==nullptr ? "<no in-group>" : iag->msg.label;
const char* outGroupLabel = oag==nullptr || oag->msg.label==nullptr ? "<no out-group>" : oag->msg.label;
// get the ingroup
if( iag != nullptr )
{
israte = iag->msg.srate;
iDspFrameCnt = iag->msg.dspFrameCnt;
}
// get the outgroup
if( oag != nullptr )
{
osrate = oag->msg.srate;
oDspFrameCnt = oag->msg.dspFrameCnt;
}
// in-srate and out-srate must be equal or one must be 0
if( osrate==0 || israte==0 || osrate==israte )
{
// the true sample rate is the non-zero sample rate
srate = std::max(israte,osrate);
}
else
{
rc = cwLogError(kInvalidArgRC,"The device '%s' belongs to two groups (%s and %s) at different sample rates (%f != %f).", cwStringNullGuard(ad->devName), cwStringNullGuard(inGroupLabel), cwStringNullGuard(outGroupLabel), israte, osrate );
goto errLabel;
}
// in-dspFrameCnt an out-dspFrameCnt must be equal or one must be 0
if( oDspFrameCnt==0 || iDspFrameCnt==0 || oDspFrameCnt==iDspFrameCnt)
{
// the true sample rate is the non-zero sample rate
dspFrameCnt = std::max(iDspFrameCnt,oDspFrameCnt);
}
else
{
rc = cwLogError(kInvalidArgRC,"The device '%s' belongs to two groups (%s and %s) width different dspFrameCnt values (%i != %i).", cwStringNullGuard(ad->devName), cwStringNullGuard(inGroupLabel), cwStringNullGuard(outGroupLabel), iDspFrameCnt, oDspFrameCnt );
goto errLabel;
}
// setup the device based on the configuration
if((rc = audio::device::setup(p->audioH, ad->devIdx, srate, framesPerCycle, _audioDeviceCallback, p)) != kOkRC )
{
rc = cwLogError(rc,"Unable to setup the audio hardware device:'%s'.", ad->devName);
goto errLabel;
}
// get the device channel counts
iChCnt = audio::device::channelCount(p->audioH,ad->devIdx,true);
oChCnt = audio::device::channelCount(p->audioH,ad->devIdx,false);
// initialize the audio bufer for this device
if((rc = audio::buf::setup( p->audioBufH, ad->devIdx, srate, dspFrameCnt, cycleCnt, iChCnt, framesPerCycle, oChCnt, framesPerCycle )) != kOkRC )
{
rc = cwLogError(rc,"Audio device buffer channel setup failed.");
goto errLabel;
}
errLabel:
return rc;
}
// Create the audio device records by parsing the cfg audio.deviceL[] list.
rc_t _audioDeviceParseAudioDeviceList( io_t* p, const object_t* cfg )
@ -1665,7 +1746,7 @@ namespace cw
// fill in the audio device cfg list
for(unsigned i=0; i<deviceL_Node->child_count(); ++i)
{
audioDev_t* ad = nullptr; //p->audioDevA + i;
audioDev_t* ad = nullptr;
bool activeFl = false;
bool meterFl = false;
char* userLabel = nullptr;
@ -1676,7 +1757,7 @@ namespace cw
audioGroup_t* iag = nullptr;
audioGroup_t* oag = nullptr;
/*
double israte = 0;
double osrate = 0;
double srate = 0;
@ -1684,7 +1765,7 @@ namespace cw
unsigned iDspFrameCnt = 0;
unsigned oDspFrameCnt = 0;
unsigned dspFrameCnt = 0;
*/
char* inGroupLabel = nullptr;
char* outGroupLabel = nullptr;
@ -1737,12 +1818,18 @@ namespace cw
rc = cwLogError(rc,"Unable to locate the audio hardware device:'%s'.", cwStringNullGuard(ad->devName));
goto errLabel;
}
// get the device channel counts
unsigned iChCnt = 0; //audio::device::channelCount(p->audioH,ad->devIdx,true);
unsigned oChCnt = 0; //audio::device::channelCount(p->audioH,ad->devIdx,false);
if( inGroupLabel != nullptr )
iag = _audioGroupFromLabel(p, inGroupLabel );
// get the outgroup
if( outGroupLabel != nullptr )
oag = _audioGroupFromLabel(p, outGroupLabel);
if((rc = _audioDeviceConfigure(p, ad, iag, oag, cycleCnt, framesPerCycle )) != kOkRC )
goto errLabel;
/*
// get the ingroup
if( inGroupLabel != nullptr )
if((iag = _audioGroupFromLabel(p, inGroupLabel )) != nullptr )
@ -1759,7 +1846,7 @@ namespace cw
oDspFrameCnt = oag->msg.dspFrameCnt;
}
// in-srate an out-srate must be equal or one must be 0
// in-srate and out-srate must be equal or one must be 0
if( osrate==0 || israte==0 || osrate==israte )
{
// the true sample rate is the non-zero sample rate
@ -1791,8 +1878,8 @@ namespace cw
}
// get the device channel counts
iChCnt = audio::device::channelCount(p->audioH,ad->devIdx,true);
oChCnt = audio::device::channelCount(p->audioH,ad->devIdx,false);
unsigned iChCnt = audio::device::channelCount(p->audioH,ad->devIdx,true);
unsigned oChCnt = audio::device::channelCount(p->audioH,ad->devIdx,false);
// initialize the audio bufer for this device
@ -1801,7 +1888,12 @@ namespace cw
rc = cwLogError(rc,"Audio device buffer channel setup failed.");
goto errLabel;
}
*/
unsigned iChCnt = audio::device::channelCount(p->audioH,ad->devIdx,true);
unsigned oChCnt = audio::device::channelCount(p->audioH,ad->devIdx,false);
// if an input group was assigned to this device then create a assoc'd audio_group_dev_t
if( iag != nullptr )
{
@ -1831,6 +1923,8 @@ namespace cw
ad->userId = userId;
ad->iGroup = iag;
ad->oGroup = oag;
ad->cycleCnt = cycleCnt;
ad->framesPerCycle = framesPerCycle;
}
}
@ -3188,6 +3282,64 @@ unsigned cw::io::audioGroupDspFrameCount( handle_t h, unsigned groupIdx )
return 0;
}
cw::rc_t cw::io::audioGroupReconfigure( handle_t h, unsigned groupIdx, double srate, unsigned dspFrameN )
{
rc_t rc = kOkRC;
audioGroup_t* ag = nullptr;
io_t* p = _handleToPtr(h);
// locate the group record
if((ag = _audioGroupFromIndex( p, groupIdx )) == nullptr )
goto errLabel;
// if the parameters are not changing then there is nothing to do
if( ag->msg.dspFrameCnt == dspFrameN && ag->msg.srate == srate )
goto errLabel;
// change the parameters in the group record
ag->msg.dspFrameCnt = dspFrameN;
ag->msg.srate = srate;
// stop the audio sub-system
if((rc = _audioDeviceStartStop(p,false)) != kOkRC )
goto errLabel;
// TODO: be sure the audio subsystem is really stopped
// for each audio device
for(unsigned i=0; i<p->audioDevN; ++i)
{
audioDev_t* ad = p->audioDevA + i;
// if this devices in-group/out-group was reconfigured
bool iGroupFl = ad->iGroup != nullptr && ad->iGroup->msg.groupIndex == groupIdx;
bool oGroupFl = ad->oGroup != nullptr && ad->oGroup->msg.groupIndex == groupIdx;
if( iGroupFl || oGroupFl )
{
// reconfigure the device with the updated srate and framesPerCycle
if((rc = _audioDeviceConfigure(p, ad, ad->oGroup, ad->oGroup, ad->cycleCnt, ad->framesPerCycle )) != kOkRC )
goto errLabel;
cwLogInfo("The audio device: '%s' was reconfigured srate=%f dspFrameCnt:%i.",cwStringNullGuard(ad->label), srate,dspFrameN);
}
}
// restart the audio sub-system
if((rc = _audioDeviceStartStop(p,true)) != kOkRC )
goto errLabel;
errLabel:
if( rc != kOkRC )
rc = cwLogError(rc,"Audio group reconfiguration failed.");
return rc;
}
unsigned cw::io::audioGroupDeviceCount( handle_t h, unsigned groupIdx, unsigned inOrOutFl )
{
audioGroup_t* ag;

1
cwIo.h
View File

@ -285,6 +285,7 @@ namespace cw
rc_t audioGroupSetUserId( handle_t h, unsigned groupIdx, unsigned userId );
double audioGroupSampleRate( handle_t h, unsigned groupIdx );
unsigned audioGroupDspFrameCount( handle_t h, unsigned groupIdx );
rc_t audioGroupReconfigure( handle_t h, unsigned groupIdx, double srate, unsigned dspFrameN );
// Get the count of in or out devices assigned to this group.
unsigned audioGroupDeviceCount( handle_t h, unsigned groupIdx, unsigned inOrOutFl );