diff options
Diffstat (limited to 'pd/portaudio/pa_mac_core/pa_mac_core_utilities.c')
| -rw-r--r-- | pd/portaudio/pa_mac_core/pa_mac_core_utilities.c | 466 |
1 files changed, 0 insertions, 466 deletions
diff --git a/pd/portaudio/pa_mac_core/pa_mac_core_utilities.c b/pd/portaudio/pa_mac_core/pa_mac_core_utilities.c deleted file mode 100644 index f2cbd29c..00000000 --- a/pd/portaudio/pa_mac_core/pa_mac_core_utilities.c +++ /dev/null @@ -1,466 +0,0 @@ -/* - * - * pa_mac_core_utilities.c - * - * utilitiy functions for pa_mac_core.c - * - * This functions are more like helper functions than part of the core, - * so I moved them to a separate file so the core code would be cleaner. - * - * by Bjorn Roche. - */ - -/* - * Translates MacOS generated errors into PaErrors - */ -static PaError PaMacCore_SetError(OSStatus error, int line, int isError) -{ - /*FIXME: still need to handle possible ComponentResult values.*/ - /* unfortunately, they don't seem to be documented anywhere.*/ - PaError result; - const char *errorType; - const char *errorText; - - switch (error) { - case kAudioHardwareNoError: - return paNoError; - case kAudioHardwareNotRunningError: - errorText = "Audio Hardware Not Running"; - result = paInternalError; break; - case kAudioHardwareUnspecifiedError: - errorText = "Unspecified Audio Hardware Error"; - result = paInternalError; break; - case kAudioHardwareUnknownPropertyError: - errorText = "Audio Hardware: Unknown Property"; - result = paInternalError; break; - case kAudioHardwareBadPropertySizeError: - errorText = "Audio Hardware: Bad Property Size"; - result = paInternalError; break; - case kAudioHardwareIllegalOperationError: - errorText = "Audio Hardware: Illegal Operation"; - result = paInternalError; break; - case kAudioHardwareBadDeviceError: - errorText = "Audio Hardware: Bad Device"; - result = paInvalidDevice; break; - case kAudioHardwareBadStreamError: - errorText = "Audio Hardware: BadStream"; - result = paBadStreamPtr; break; - case kAudioHardwareUnsupportedOperationError: - errorText = "Audio Hardware: Unsupported Operation"; - result = paInternalError; break; - case kAudioDeviceUnsupportedFormatError: - errorText = "Audio Device: Unsupported Format"; - result = paSampleFormatNotSupported; break; - case kAudioDevicePermissionsError: - errorText = "Audio Device: Permissions Error"; - result = paDeviceUnavailable; break; - /* Audio Unit Errors: http://developer.apple.com/documentation/MusicAudio/Reference/CoreAudio/audio_units/chapter_5_section_3.html */ - case kAudioUnitErr_InvalidProperty: - errorText = "Audio Unit: Invalid Property"; - result = paInternalError; break; - case kAudioUnitErr_InvalidParameter: - errorText = "Audio Unit: Invalid Parameter"; - result = paInternalError; break; - case kAudioUnitErr_NoConnection: - errorText = "Audio Unit: No Connection"; - result = paInternalError; break; - case kAudioUnitErr_FailedInitialization: - errorText = "Audio Unit: Initialization Failed"; - result = paInternalError; break; - case kAudioUnitErr_TooManyFramesToProcess: - errorText = "Audio Unit: Too Many Frames"; - result = paInternalError; break; - case kAudioUnitErr_IllegalInstrument: - errorText = "Audio Unit: Illegal Instrument"; - result = paInternalError; break; - case kAudioUnitErr_InstrumentTypeNotFound: - errorText = "Audio Unit: Instrument Type Not Found"; - result = paInternalError; break; - case kAudioUnitErr_InvalidFile: - errorText = "Audio Unit: Invalid File"; - result = paInternalError; break; - case kAudioUnitErr_UnknownFileType: - errorText = "Audio Unit: Unknown File Type"; - result = paInternalError; break; - case kAudioUnitErr_FileNotSpecified: - errorText = "Audio Unit: File Not Specified"; - result = paInternalError; break; - case kAudioUnitErr_FormatNotSupported: - errorText = "Audio Unit: Format Not Supported"; - result = paInternalError; break; - case kAudioUnitErr_Uninitialized: - errorText = "Audio Unit: Unitialized"; - result = paInternalError; break; - case kAudioUnitErr_InvalidScope: - errorText = "Audio Unit: Invalid Scope"; - result = paInternalError; break; - case kAudioUnitErr_PropertyNotWritable: - errorText = "Audio Unit: PropertyNotWritable"; - result = paInternalError; break; - case kAudioUnitErr_InvalidPropertyValue: - errorText = "Audio Unit: Invalid Property Value"; - result = paInternalError; break; - case kAudioUnitErr_PropertyNotInUse: - errorText = "Audio Unit: Property Not In Use"; - result = paInternalError; break; - case kAudioUnitErr_Initialized: - errorText = "Audio Unit: Initialized"; - result = paInternalError; break; - case kAudioUnitErr_InvalidOfflineRender: - errorText = "Audio Unit: Invalid Offline Render"; - result = paInternalError; break; - case kAudioUnitErr_Unauthorized: - errorText = "Audio Unit: Unauthorized"; - result = paInternalError; break; - case kAudioUnitErr_CannotDoInCurrentContext: - errorText = "Audio Unit: cannot do in current context"; - result = paInternalError; break; - default: - errorText = "Unknown Error"; - result = paInternalError; - } - - if (isError) - errorType = "Error"; - else - errorType = "Warning"; - - if ((int)error < -99999 || (int)error > 99999) - DBUG(("%s on line %d: err='%4s', msg='%s'\n", errorType, line, (const char *)&error, errorText)); - else - DBUG(("%s on line %d: err=%d, 0x%x, msg='%s'\n", errorType, line, (int)error, (unsigned)error, errorText)); - - PaUtil_SetLastHostErrorInfo( paCoreAudio, error, errorText ); - - return result; -} - - - - -/* - * Durring testing of core audio, I found that serious crashes could occur - * if properties such as sample rate were changed multiple times in rapid - * succession. The function below has some fancy logic to make sure that changes - * are acknowledged before another is requested. That seems to help a lot. - */ - -#include <pthread.h> -typedef struct { - bool once; /* I didn't end up using this. bdr */ - pthread_mutex_t mutex; -} MutexAndBool ; - -static OSStatus propertyProc( - AudioDeviceID inDevice, - UInt32 inChannel, - Boolean isInput, - AudioDevicePropertyID inPropertyID, - void* inClientData ) -{ - MutexAndBool *mab = (MutexAndBool *) inClientData; - mab->once = TRUE; - pthread_mutex_unlock( &(mab->mutex) ); - return noErr; -} - -/* sets the value of the given property and waits for the change to - be acknowledged, and returns the final value, which is not guaranteed - by this function to be the same as the desired value. Obviously, this - function can only be used for data whose input and output are the - same size and format, and their size and format are known in advance.*/ -PaError AudioDeviceSetPropertyNowAndWaitForChange( - AudioDeviceID inDevice, - UInt32 inChannel, - Boolean isInput, - AudioDevicePropertyID inPropertyID, - UInt32 inPropertyDataSize, - const void *inPropertyData, - void *outPropertyData ) -{ - OSStatus macErr; - int unixErr; - MutexAndBool mab; - UInt32 outPropertyDataSize = inPropertyDataSize; - - /* First, see if it already has that value. If so, return. */ - macErr = AudioDeviceGetProperty( inDevice, inChannel, - isInput, inPropertyID, - &outPropertyDataSize, outPropertyData ); - if( macErr ) - goto failMac2; - if( inPropertyDataSize!=outPropertyDataSize ) - return paInternalError; - if( 0==memcmp( outPropertyData, inPropertyData, outPropertyDataSize ) ) - return paNoError; - - /* setup and lock mutex */ - mab.once = FALSE; - unixErr = pthread_mutex_init( &mab.mutex, NULL ); - if( unixErr ) - goto failUnix2; - unixErr = pthread_mutex_lock( &mab.mutex ); - if( unixErr ) - goto failUnix; - - /* add property listener */ - macErr = AudioDeviceAddPropertyListener( inDevice, inChannel, isInput, - inPropertyID, propertyProc, - &mab ); - if( macErr ) - goto failMac; - /* set property */ - macErr = AudioDeviceSetProperty( inDevice, NULL, inChannel, - isInput, inPropertyID, - inPropertyDataSize, inPropertyData ); - if( macErr ) { - /* we couldn't set the property, so we'll just unlock the mutex - and move on. */ - pthread_mutex_unlock( &mab.mutex ); - } - - /* wait for property to change */ - unixErr = pthread_mutex_lock( &mab.mutex ); - if( unixErr ) - goto failUnix; - - /* now read the property back out */ - macErr = AudioDeviceGetProperty( inDevice, inChannel, - isInput, inPropertyID, - &outPropertyDataSize, outPropertyData ); - if( macErr ) - goto failMac; - /* cleanup */ - AudioDeviceRemovePropertyListener( inDevice, inChannel, isInput, - inPropertyID, propertyProc ); - unixErr = pthread_mutex_unlock( &mab.mutex ); - if( unixErr ) - goto failUnix2; - unixErr = pthread_mutex_destroy( &mab.mutex ); - if( unixErr ) - goto failUnix2; - - return paNoError; - - failUnix: - pthread_mutex_destroy( &mab.mutex ); - AudioDeviceRemovePropertyListener( inDevice, inChannel, isInput, - inPropertyID, propertyProc ); - - failUnix2: - DBUG( ("Error #%d while setting a device property: %s\n", unixErr, strerror( unixErr ) ) ); - return paUnanticipatedHostError; - - failMac: - pthread_mutex_destroy( &mab.mutex ); - AudioDeviceRemovePropertyListener( inDevice, inChannel, isInput, - inPropertyID, propertyProc ); - failMac2: - return ERR( macErr ); -} - -/* - * Sets the sample rate the HAL device. - * if requireExact: set the sample rate or fail. - * - * otherwise : set the exact sample rate. - * If that fails, check for available sample rates, and choose one - * higher than the requested rate. If there isn't a higher one, - * just use the highest available. - */ -static PaError setBestSampleRateForDevice( const AudioDeviceID device, - const bool isOutput, - const bool requireExact, - const Float64 desiredSrate ) -{ - /*FIXME: changing the sample rate is disruptive to other programs using the - device, so it might be good to offer a custom flag to not change the - sample rate and just do conversion. (in my casual tests, there is - no disruption unless the sample rate really does need to change) */ - const bool isInput = isOutput ? 0 : 1; - Float64 srate; - UInt32 propsize = sizeof( Float64 ); - OSErr err; - AudioValueRange *ranges; - int i=0; - Float64 max = -1; /*the maximum rate available*/ - Float64 best = -1; /*the lowest sample rate still greater than desired rate*/ - VDBUG(("Setting sample rate for device %ld to %g.\n",device,(float)desiredSrate)); - - /* -- try setting the sample rate -- */ - err = AudioDeviceSetPropertyNowAndWaitForChange( - device, 0, isInput, - kAudioDevicePropertyNominalSampleRate, - propsize, &desiredSrate, &srate ); - if( err ) - return err; - - /* -- if the rate agrees, and we got no errors, we are done -- */ - if( !err && srate == desiredSrate ) - return paNoError; - /* -- we've failed if the rates disagree and we are setting input -- */ - if( requireExact ) - return paInvalidSampleRate; - - /* -- generate a list of available sample rates -- */ - err = AudioDeviceGetPropertyInfo( device, 0, isInput, - kAudioDevicePropertyAvailableNominalSampleRates, - &propsize, NULL ); - if( err ) - return ERR( err ); - ranges = (AudioValueRange *)calloc( 1, propsize ); - if( !ranges ) - return paInsufficientMemory; - err = AudioDeviceGetProperty( device, 0, isInput, - kAudioDevicePropertyAvailableNominalSampleRates, - &propsize, ranges ); - if( err ) - { - free( ranges ); - return ERR( err ); - } - VDBUG(("Requested sample rate of %g was not available.\n", (float)desiredSrate)); - VDBUG(("%lu Available Sample Rates are:\n",propsize/sizeof(AudioValueRange))); -#ifdef MAC_CORE_VERBOSE_DEBUG - for( i=0; i<propsize/sizeof(AudioValueRange); ++i ) - VDBUG( ("\t%g-%g\n", - (float) ranges[i].mMinimum, - (float) ranges[i].mMaximum ) ); -#endif - VDBUG(("-----\n")); - - /* -- now pick the best available sample rate -- */ - for( i=0; i<propsize/sizeof(AudioValueRange); ++i ) - { - if( ranges[i].mMaximum > max ) max = ranges[i].mMaximum; - if( ranges[i].mMinimum > desiredSrate ) { - if( best < 0 ) - best = ranges[i].mMinimum; - else if( ranges[i].mMinimum < best ) - best = ranges[i].mMinimum; - } - } - if( best < 0 ) - best = max; - VDBUG( ("Maximum Rate %g. best is %g.\n", max, best ) ); - free( ranges ); - - /* -- set the sample rate -- */ - propsize = sizeof( best ); - err = AudioDeviceSetPropertyNowAndWaitForChange( - device, 0, isInput, - kAudioDevicePropertyNominalSampleRate, - propsize, &best, &srate ); - if( err ) - return err; - - if( err ) - return ERR( err ); - /* -- if the set rate matches, we are done -- */ - if( srate == best ) - return paNoError; - - /* -- otherwise, something wierd happened: we didn't set the rate, and we got no errors. Just bail. */ - return paInternalError; -} - - -/* - Attempts to set the requestedFramesPerBuffer. If it can't set the exact - value, it settles for something smaller if available. If nothing smaller - is available, it uses the smallest available size. - actualFramesPerBuffer will be set to the actual value on successful return. - OK to pass NULL to actualFramesPerBuffer. - The logic is very simmilar too setBestSampleRate only failure here is - not usually catastrophic. -*/ -static PaError setBestFramesPerBuffer( const AudioDeviceID device, - const bool isOutput, - unsigned long requestedFramesPerBuffer, - unsigned long *actualFramesPerBuffer ) -{ - UInt32 afpb; - const bool isInput = !isOutput; - UInt32 propsize = sizeof(UInt32); - OSErr err; - Float64 min = -1; /*the min blocksize*/ - Float64 best = -1; /*the best blocksize*/ - int i=0; - AudioValueRange *ranges; - - if( actualFramesPerBuffer == NULL ) - actualFramesPerBuffer = &afpb; - - - /* -- try and set exact FPB -- */ - err = AudioDeviceSetProperty( device, NULL, 0, isInput, - kAudioDevicePropertyBufferFrameSize, - propsize, &requestedFramesPerBuffer); - err = AudioDeviceGetProperty( device, 0, isInput, - kAudioDevicePropertyBufferFrameSize, - &propsize, actualFramesPerBuffer); - if( err ) - return ERR( err ); - if( *actualFramesPerBuffer == requestedFramesPerBuffer ) - return paNoError; /* we are done */ - - /* -- fetch available block sizes -- */ - err = AudioDeviceGetPropertyInfo( device, 0, isInput, - kAudioDevicePropertyBufferSizeRange, - &propsize, NULL ); - if( err ) - return ERR( err ); - ranges = (AudioValueRange *)calloc( 1, propsize ); - if( !ranges ) - return paInsufficientMemory; - err = AudioDeviceGetProperty( device, 0, isInput, - kAudioDevicePropertyBufferSizeRange, - &propsize, ranges ); - if( err ) - { - free( ranges ); - return ERR( err ); - } - VDBUG(("Requested block size of %lu was not available.\n", - requestedFramesPerBuffer )); - VDBUG(("%lu Available block sizes are:\n",propsize/sizeof(AudioValueRange))); -#ifdef MAC_CORE_VERBOSE_DEBUG - for( i=0; i<propsize/sizeof(AudioValueRange); ++i ) - VDBUG( ("\t%g-%g\n", - (float) ranges[i].mMinimum, - (float) ranges[i].mMaximum ) ); -#endif - VDBUG(("-----\n")); - - /* --- now pick the best available framesPerBuffer -- */ - for( i=0; i<propsize/sizeof(AudioValueRange); ++i ) - { - if( min == -1 || ranges[i].mMinimum < min ) min = ranges[i].mMinimum; - if( ranges[i].mMaximum < requestedFramesPerBuffer ) { - if( best < 0 ) - best = ranges[i].mMaximum; - else if( ranges[i].mMaximum > best ) - best = ranges[i].mMaximum; - } - } - if( best == -1 ) - best = min; - VDBUG( ("Minimum FPB %g. best is %g.\n", min, best ) ); - free( ranges ); - - /* --- set the buffer size (ignore errors) -- */ - requestedFramesPerBuffer = (UInt32) best ; - propsize = sizeof( UInt32 ); - err = AudioDeviceSetProperty( device, NULL, 0, isInput, - kAudioDevicePropertyBufferSize, - propsize, &requestedFramesPerBuffer ); - /* --- read the property to check that it was set -- */ - err = AudioDeviceGetProperty( device, 0, isInput, - kAudioDevicePropertyBufferSize, - &propsize, actualFramesPerBuffer ); - - if( err ) - return ERR( err ); - - return paNoError; -} |