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authorGuenter Geiger <ggeiger@users.sourceforge.net>2004-02-02 12:18:59 +0000
committerGuenter Geiger <ggeiger@users.sourceforge.net>2004-02-02 12:18:59 +0000
commit2e416ee0095f1bf608f849f156d564e0f45fb8ab (patch)
tree9e4881e81953b434b91dbd35218d78f05b27e82e /pd/portaudio/pa_asio
parentae6b5d89ea93b95c2990895077cf5e8f0bba9ad9 (diff)
merged in version_0_37_1test6
svn path=/trunk/; revision=1305
Diffstat (limited to 'pd/portaudio/pa_asio')
-rw-r--r--pd/portaudio/pa_asio/Callback_adaptation_.pdfbin50527 -> 0 bytes
-rw-r--r--pd/portaudio/pa_asio/Pa_ASIO.pdfbin50778 -> 0 bytes
-rw-r--r--pd/portaudio/pa_asio/borland_asio_readme.txt6
-rw-r--r--pd/portaudio/pa_asio/pa_asio.cpp2107
-rw-r--r--pd/portaudio/pa_asio/pa_asio.h68
-rwxr-xr-xpd/portaudio/pa_asio/readme_asio_sdk_patch.txt25
6 files changed, 0 insertions, 2206 deletions
diff --git a/pd/portaudio/pa_asio/Callback_adaptation_.pdf b/pd/portaudio/pa_asio/Callback_adaptation_.pdf
deleted file mode 100644
index 76bf6786..00000000
--- a/pd/portaudio/pa_asio/Callback_adaptation_.pdf
+++ /dev/null
Binary files differ
diff --git a/pd/portaudio/pa_asio/Pa_ASIO.pdf b/pd/portaudio/pa_asio/Pa_ASIO.pdf
deleted file mode 100644
index ac5ecadb..00000000
--- a/pd/portaudio/pa_asio/Pa_ASIO.pdf
+++ /dev/null
Binary files differ
diff --git a/pd/portaudio/pa_asio/borland_asio_readme.txt b/pd/portaudio/pa_asio/borland_asio_readme.txt
deleted file mode 100644
index 56e472b8..00000000
--- a/pd/portaudio/pa_asio/borland_asio_readme.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-Steinberg's ASIO 2 SDK will compile but crash on
-initialization if compiled with a Borland compiler.
-
-The problem is described, and a solution provided on
-the following page:
-http://www.audiomulch.com/~rossb/code/calliasio \ No newline at end of file
diff --git a/pd/portaudio/pa_asio/pa_asio.cpp b/pd/portaudio/pa_asio/pa_asio.cpp
deleted file mode 100644
index c8ba58f4..00000000
--- a/pd/portaudio/pa_asio/pa_asio.cpp
+++ /dev/null
@@ -1,2107 +0,0 @@
-/*
- * $Id: pa_asio.cpp,v 1.7.2.30 2002/12/03 06:30:39 rossbencina Exp $
- * Portable Audio I/O Library for ASIO Drivers
- *
- * Author: Stephane Letz
- * Based on the Open Source API proposed by Ross Bencina
- * Copyright (c) 2000-2002 Stephane Letz, Phil Burk, Ross Bencina
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/* Modification History
-
- 08-03-01 First version : Stephane Letz
- 08-06-01 Tweaks for PC, use C++, buffer allocation, Float32 to Int32 conversion : Phil Burk
- 08-20-01 More conversion, PA_StreamTime, Pa_GetHostError : Stephane Letz
- 08-21-01 PaUInt8 bug correction, implementation of ASIOSTFloat32LSB and ASIOSTFloat32MSB native formats : Stephane Letz
- 08-24-01 MAX_INT32_FP hack, another Uint8 fix : Stephane and Phil
- 08-27-01 Implementation of hostBufferSize < userBufferSize case, better management of the ouput buffer when
- the stream is stopped : Stephane Letz
- 08-28-01 Check the stream pointer for null in bufferSwitchTimeInfo, correct bug in bufferSwitchTimeInfo when
- the stream is stopped : Stephane Letz
- 10-12-01 Correct the PaHost_CalcNumHostBuffers function: computes FramesPerHostBuffer to be the lowest that
- respect requested FramesPerUserBuffer and userBuffersPerHostBuffer : Stephane Letz
- 10-26-01 Management of hostBufferSize and userBufferSize of any size : Stephane Letz
- 10-27-01 Improve calculus of hostBufferSize to be multiple or divisor of userBufferSize if possible : Stephane and Phil
- 10-29-01 Change MAX_INT32_FP to (2147483520.0f) to prevent roundup to 0x80000000 : Phil Burk
- 10-31-01 Clear the ouput buffer and user buffers in PaHost_StartOutput, correct bug in GetFirstMultiple : Stephane Letz
- 11-06-01 Rename functions : Stephane Letz
- 11-08-01 New Pa_ASIO_Adaptor_Init function to init Callback adpatation variables, cleanup of Pa_ASIO_Callback_Input: Stephane Letz
- 11-29-01 Break apart device loading to debug random failure in Pa_ASIO_QueryDeviceInfo ; Phil Burk
- 01-03-02 Desallocate all resources in PaHost_Term for cases where Pa_CloseStream is not called properly : Stephane Letz
- 02-01-02 Cleanup, test of multiple-stream opening : Stephane Letz
- 19-02-02 New Pa_ASIO_loadDriver that calls CoInitialize on each thread on Windows : Stephane Letz
- 09-04-02 Correct error code management in PaHost_Term, removes various compiler warning : Stephane Letz
- 12-04-02 Add Mac includes for <Devices.h> and <Timer.h> : Phil Burk
- 13-04-02 Removes another compiler warning : Stephane Letz
- 30-04-02 Pa_ASIO_QueryDeviceInfo bug correction, memory allocation checking, better error handling : D Viens, P Burk, S Letz
- 12-06-02 Rehashed into new multi-api infrastructure, added support for all ASIO sample formats : Ross Bencina
- 18-06-02 Added pa_asio.h, PaAsio_GetAvailableLatencyValues() : Ross B.
- 21-06-02 Added SelectHostBufferSize() which selects host buffer size based on user latency parameters : Ross Bencina
- ** NOTE maintanance history is now stored in CVS **
-*/
-
-/** @file
-
- @todo implement underflow/overflow streamCallback statusFlags, paNeverDropInput.
-
- @todo implement host api specific extension to set i/o buffer sizes in frames
-
- @todo implement initialisation of PaDeviceInfo default*Latency fields (currently set to 0.)
-
- @todo implement ReadStream, WriteStream, GetStreamReadAvailable, GetStreamWriteAvailable
-
- @todo implement IsFormatSupported
-
- @todo work out how to implement stream stoppage from callback and
- implement IsStreamActive properly
-
- @todo rigorously check asio return codes and convert to pa error codes
-
- @todo Different channels of a multichannel stream can have different sample
- formats, but we assume that all are the same as the first channel for now.
- Fixing this will require the block processor to maintain per-channel
- conversion functions - could get nasty.
-
- @todo investigate whether the asio processNow flag needs to be honoured
-
- @todo handle asioMessages() callbacks in a useful way, or at least document
- what cases we don't handle.
-
- @todo miscellaneous other FIXMEs
-
- @todo implement the following somewhere:
-
- if( stream->streamRepresentation.streamFinishedCallback != 0 )
- stream->streamRepresentation.streamFinishedCallback( stream->streamRepresentation.userData );
-*/
-
-
-
-#include <stdio.h>
-#include <assert.h>
-#include <string.h>
-//#include <values.h>
-
-#include "portaudio.h"
-#include "pa_asio.h"
-#include "pa_util.h"
-#include "pa_allocation.h"
-#include "pa_hostapi.h"
-#include "pa_stream.h"
-#include "pa_cpuload.h"
-#include "pa_process.h"
-
-#include "asiosys.h"
-#include "asio.h"
-#include "asiodrivers.h"
-
-/*
-#if MAC
-#include <Devices.h>
-#include <Timer.h>
-#include <Math64.h>
-#else
-*/
-/*
-#include <math.h>
-#include <windows.h>
-#include <mmsystem.h>
-*/
-/*
-#endif
-*/
-
-/* external references */
-extern AsioDrivers* asioDrivers ;
-bool loadAsioDriver(char *name);
-
-
-/* We are trying to be compatible with CARBON but this has not been thoroughly tested. */
-/* not tested at all since new code was introduced. */
-#define CARBON_COMPATIBLE (0)
-
-
-
-
-/* prototypes for functions declared in this file */
-
-extern "C" PaError PaAsio_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex hostApiIndex );
-static void Terminate( struct PaUtilHostApiRepresentation *hostApi );
-static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
- PaStream** s,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamFlags streamFlags,
- PaStreamCallback *streamCallback,
- void *userData );
-static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate );
-static PaError CloseStream( PaStream* stream );
-static PaError StartStream( PaStream *stream );
-static PaError StopStream( PaStream *stream );
-static PaError AbortStream( PaStream *stream );
-static PaError IsStreamStopped( PaStream *s );
-static PaError IsStreamActive( PaStream *stream );
-static PaTime GetStreamTime( PaStream *stream );
-static double GetStreamCpuLoad( PaStream* stream );
-static PaError ReadStream( PaStream* stream, void *buffer, unsigned long frames );
-static PaError WriteStream( PaStream* stream, void *buffer, unsigned long frames );
-static signed long GetStreamReadAvailable( PaStream* stream );
-static signed long GetStreamWriteAvailable( PaStream* stream );
-
-/* our ASIO callback functions */
-
-static void bufferSwitch(long index, ASIOBool processNow);
-static ASIOTime *bufferSwitchTimeInfo(ASIOTime *timeInfo, long index, ASIOBool processNow);
-static void sampleRateChanged(ASIOSampleRate sRate);
-static long asioMessages(long selector, long value, void* message, double* opt);
-
-static ASIOCallbacks asioCallbacks_ =
- { bufferSwitch, sampleRateChanged, asioMessages, bufferSwitchTimeInfo };
-
-
-#define PA_ASIO_SET_LAST_HOST_ERROR( errorCode, errorText ) \
- PaUtil_SetLastHostErrorInfo( paASIO, errorCode, errorText )
-
-static const char* PaAsio_GetAsioErrorText( ASIOError asioError )
-{
- const char *result;
-
- switch( asioError ){
- case ASE_OK:
- case ASE_SUCCESS: result = "Success"; break;
- case ASE_NotPresent: result = "Hardware input or output is not present or available"; break;
- case ASE_HWMalfunction: result = "Hardware is malfunctioning"; break;
- case ASE_InvalidParameter: result = "Input parameter invalid"; break;
- case ASE_InvalidMode: result = "Hardware is in a bad mode or used in a bad mode"; break;
- case ASE_SPNotAdvancing: result = "Hardware is not running when sample position is inquired"; break;
- case ASE_NoClock: result = "Sample clock or rate cannot be determined or is not present"; break;
- case ASE_NoMemory: result = "Not enough memory for completing the request"; break;
- default: result = "Unknown ASIO error"; break;
- }
-
- return result;
-}
-
-
-#define PA_ASIO_SET_LAST_ASIO_ERROR( asioError ) \
- PaUtil_SetLastHostErrorInfo( paASIO, asioError, PaAsio_GetAsioErrorText( asioError ) )
-
-
-/* PaAsioHostApiRepresentation - host api datastructure specific to this implementation */
-
-typedef struct
-{
- PaUtilHostApiRepresentation inheritedHostApiRep;
- PaUtilStreamInterface callbackStreamInterface;
- PaUtilStreamInterface blockingStreamInterface;
-
- PaUtilAllocationGroup *allocations;
-
- /* the ASIO C API only allows one ASIO driver to be open at a time,
- so we kee track of whether we have the driver open here, and
- use this information to return errors from OpenStream if the
- driver is already open.
- */
- int driverOpen;
-}
-PaAsioHostApiRepresentation;
-
-
-/*
- Retrieve <driverCount> driver names from ASIO, returned in a char**
- allocated in <group>.
-*/
-static char **GetAsioDriverNames( PaUtilAllocationGroup *group, long driverCount )
-{
- char **result = 0;
- int i;
-
- result =(char**)PaUtil_GroupAllocateMemory(
- group, sizeof(char*) * driverCount );
- if( !result )
- goto error;
-
- result[0] = (char*)PaUtil_GroupAllocateMemory(
- group, 32 * driverCount );
- if( !result[0] )
- goto error;
-
- for( i=0; i<driverCount; ++i )
- result[i] = result[0] + (32 * i);
-
- asioDrivers->getDriverNames( result, driverCount );
-
-error:
- return result;
-}
-
-
-static PaSampleFormat AsioSampleTypeToPaNativeSampleFormat(ASIOSampleType type)
-{
- switch (type) {
- case ASIOSTInt16MSB:
- case ASIOSTInt16LSB:
- return paInt16;
-
- case ASIOSTFloat32MSB:
- case ASIOSTFloat32LSB:
- case ASIOSTFloat64MSB:
- case ASIOSTFloat64LSB:
- return paFloat32;
-
- case ASIOSTInt32MSB:
- case ASIOSTInt32LSB:
- case ASIOSTInt32MSB16:
- case ASIOSTInt32LSB16:
- case ASIOSTInt32MSB18:
- case ASIOSTInt32MSB20:
- case ASIOSTInt32MSB24:
- case ASIOSTInt32LSB18:
- case ASIOSTInt32LSB20:
- case ASIOSTInt32LSB24:
- return paInt32;
-
- case ASIOSTInt24MSB:
- case ASIOSTInt24LSB:
- return paInt24;
-
- default:
- return paCustomFormat;
- }
-}
-
-
-static int BytesPerAsioSample( ASIOSampleType sampleType )
-{
- switch (sampleType) {
- case ASIOSTInt16MSB:
- case ASIOSTInt16LSB:
- return 2;
-
- case ASIOSTFloat64MSB:
- case ASIOSTFloat64LSB:
- return 8;
-
- case ASIOSTFloat32MSB:
- case ASIOSTFloat32LSB:
- case ASIOSTInt32MSB:
- case ASIOSTInt32LSB:
- case ASIOSTInt32MSB16:
- case ASIOSTInt32LSB16:
- case ASIOSTInt32MSB18:
- case ASIOSTInt32MSB20:
- case ASIOSTInt32MSB24:
- case ASIOSTInt32LSB18:
- case ASIOSTInt32LSB20:
- case ASIOSTInt32LSB24:
- return 4;
-
- case ASIOSTInt24MSB:
- case ASIOSTInt24LSB:
- return 3;
-
- default:
- return 0;
- }
-}
-
-
-static void Swap16( void *buffer, long shift, long count )
-{
- unsigned short *p = (unsigned short*)buffer;
- unsigned short temp;
- (void) shift; /* unused parameter */
-
- while( count-- )
- {
- temp = *p;
- *p++ = (unsigned short)((temp<<8) | (temp>>8));
- }
-}
-
-static void Swap24( void *buffer, long shift, long count )
-{
- unsigned char *p = (unsigned char*)buffer;
- unsigned char temp;
- (void) shift; /* unused parameter */
-
- while( count-- )
- {
- temp = *p;
- *p = *(p+2);
- *(p+2) = temp;
- p += 3;
- }
-}
-
-#define PA_SWAP32_( x ) ((x>>24) | ((x>>8)&0xFF00) | ((x<<8)&0xFF0000) | (x<<24));
-
-static void Swap32( void *buffer, long shift, long count )
-{
- unsigned long *p = (unsigned long*)buffer;
- unsigned long temp;
- (void) shift; /* unused parameter */
-
- while( count-- )
- {
- temp = *p;
- *p++ = PA_SWAP32_( temp);
- }
-}
-
-static void SwapShiftLeft32( void *buffer, long shift, long count )
-{
- unsigned long *p = (unsigned long*)buffer;
- unsigned long temp;
-
- while( count-- )
- {
- temp = *p;
- temp = PA_SWAP32_( temp);
- *p++ = temp << shift;
- }
-}
-
-static void ShiftRightSwap32( void *buffer, long shift, long count )
-{
- unsigned long *p = (unsigned long*)buffer;
- unsigned long temp;
-
- while( count-- )
- {
- temp = *p >> shift;
- *p++ = PA_SWAP32_( temp);
- }
-}
-
-static void ShiftLeft32( void *buffer, long shift, long count )
-{
- unsigned long *p = (unsigned long*)buffer;
- unsigned long temp;
-
- while( count-- )
- {
- temp = *p;
- *p++ = temp << shift;
- }
-}
-
-static void ShiftRight32( void *buffer, long shift, long count )
-{
- unsigned long *p = (unsigned long*)buffer;
- unsigned long temp;
-
- while( count-- )
- {
- temp = *p;
- *p++ = temp >> shift;
- }
-}
-
-#define PA_SWAP_( x, y ) temp=x; x = y; y = temp;
-
-static void Swap64ConvertFloat64ToFloat32( void *buffer, long shift, long count )
-{
- double *in = (double*)buffer;
- float *out = (float*)buffer;
- unsigned char *p;
- unsigned char temp;
- (void) shift; /* unused parameter */
-
- while( count-- )
- {
- p = (unsigned char*)in;
- PA_SWAP_( p[0], p[7] );
- PA_SWAP_( p[1], p[6] );
- PA_SWAP_( p[2], p[5] );
- PA_SWAP_( p[3], p[4] );
-
- *out++ = (float) (*in++);
- }
-}
-
-static void ConvertFloat64ToFloat32( void *buffer, long shift, long count )
-{
- double *in = (double*)buffer;
- float *out = (float*)buffer;
- (void) shift; /* unused parameter */
-
- while( count-- )
- *out++ = (float) (*in++);
-}
-
-static void ConvertFloat32ToFloat64Swap64( void *buffer, long shift, long count )
-{
- float *in = ((float*)buffer) + (count-1);
- double *out = ((double*)buffer) + (count-1);
- unsigned char *p;
- unsigned char temp;
- (void) shift; /* unused parameter */
-
- while( count-- )
- {
- *out = *in--;
-
- p = (unsigned char*)out;
- PA_SWAP_( p[0], p[7] );
- PA_SWAP_( p[1], p[6] );
- PA_SWAP_( p[2], p[5] );
- PA_SWAP_( p[3], p[4] );
-
- out--;
- }
-}
-
-static void ConvertFloat32ToFloat64( void *buffer, long shift, long count )
-{
- float *in = ((float*)buffer) + (count-1);
- double *out = ((double*)buffer) + (count-1);
- (void) shift; /* unused parameter */
-
- while( count-- )
- *out-- = *in--;
-}
-
-#ifdef MAC
-#define PA_MSB_IS_NATIVE_
-#undef PA_LSB_IS_NATIVE_
-#endif
-
-#ifdef WINDOWS
-#undef PA_MSB_IS_NATIVE_
-#define PA_LSB_IS_NATIVE_
-#endif
-
-typedef void PaAsioBufferConverter( void *, long, long );
-
-static void SelectAsioToPaConverter( ASIOSampleType type, PaAsioBufferConverter **converter, long *shift )
-{
- *shift = 0;
- *converter = 0;
-
- switch (type) {
- case ASIOSTInt16MSB:
- /* dest: paInt16, no conversion necessary, possible byte swap*/
- #ifdef PA_LSB_IS_NATIVE_
- *converter = Swap16;
- #endif
- break;
- case ASIOSTInt16LSB:
- /* dest: paInt16, no conversion necessary, possible byte swap*/
- #ifdef PA_MSB_IS_NATIVE_
- *converter = Swap16;
- #endif
- break;
- case ASIOSTFloat32MSB:
- /* dest: paFloat32, no conversion necessary, possible byte swap*/
- #ifdef PA_LSB_IS_NATIVE_
- *converter = Swap32;
- #endif
- break;
- case ASIOSTFloat32LSB:
- /* dest: paFloat32, no conversion necessary, possible byte swap*/
- #ifdef PA_MSB_IS_NATIVE_
- *converter = Swap32;
- #endif
- break;
- case ASIOSTFloat64MSB:
- /* dest: paFloat32, in-place conversion to/from float32, possible byte swap*/
- #ifdef PA_LSB_IS_NATIVE_
- *converter = Swap64ConvertFloat64ToFloat32;
- #else
- *converter = ConvertFloat64ToFloat32;
- #endif
- break;
- case ASIOSTFloat64LSB:
- /* dest: paFloat32, in-place conversion to/from float32, possible byte swap*/
- #ifdef PA_MSB_IS_NATIVE_
- *converter = Swap64ConvertFloat64ToFloat32;
- #else
- *converter = ConvertFloat64ToFloat32;
- #endif
- break;
- case ASIOSTInt32MSB:
- /* dest: paInt32, no conversion necessary, possible byte swap */
- #ifdef PA_LSB_IS_NATIVE_
- *converter = Swap32;
- #endif
- break;
- case ASIOSTInt32LSB:
- /* dest: paInt32, no conversion necessary, possible byte swap */
- #ifdef PA_MSB_IS_NATIVE_
- *converter = Swap32;
- #endif
- break;
- case ASIOSTInt32MSB16:
- /* dest: paInt32, 16 bit shift, possible byte swap */
- #ifdef PA_LSB_IS_NATIVE_
- *converter = SwapShiftLeft32;
- #else
- *converter = ShiftLeft32;
- #endif
- *shift = 16;
- break;
- case ASIOSTInt32MSB18:
- /* dest: paInt32, 14 bit shift, possible byte swap */
- #ifdef PA_LSB_IS_NATIVE_
- *converter = SwapShiftLeft32;
- #else
- *converter = ShiftLeft32;
- #endif
- *shift = 14;
- break;
- case ASIOSTInt32MSB20:
- /* dest: paInt32, 12 bit shift, possible byte swap */
- #ifdef PA_LSB_IS_NATIVE_
- *converter = SwapShiftLeft32;
- #else
- *converter = ShiftLeft32;
- #endif
- *shift = 12;
- break;
- case ASIOSTInt32MSB24:
- /* dest: paInt32, 8 bit shift, possible byte swap */
- #ifdef PA_LSB_IS_NATIVE_
- *converter = SwapShiftLeft32;
- #else
- *converter = ShiftLeft32;
- #endif
- *shift = 8;
- break;
- case ASIOSTInt32LSB16:
- /* dest: paInt32, 16 bit shift, possible byte swap */
- #ifdef PA_MSB_IS_NATIVE_
- *converter = SwapShiftLeft32;
- #else
- *converter = ShiftLeft32;
- #endif
- *shift = 16;
- break;
- case ASIOSTInt32LSB18:
- /* dest: paInt32, 14 bit shift, possible byte swap */
- #ifdef PA_MSB_IS_NATIVE_
- *converter = SwapShiftLeft32;
- #else
- *converter = ShiftLeft32;
- #endif
- *shift = 14;
- break;
- case ASIOSTInt32LSB20:
- /* dest: paInt32, 12 bit shift, possible byte swap */
- #ifdef PA_MSB_IS_NATIVE_
- *converter = SwapShiftLeft32;
- #else
- *converter = ShiftLeft32;
- #endif
- *shift = 12;
- break;
- case ASIOSTInt32LSB24:
- /* dest: paInt32, 8 bit shift, possible byte swap */
- #ifdef PA_MSB_IS_NATIVE_
- *converter = SwapShiftLeft32;
- #else
- *converter = ShiftLeft32;
- #endif
- *shift = 8;
- break;
- case ASIOSTInt24MSB:
- /* dest: paInt24, no conversion necessary, possible byte swap */
- #ifdef PA_LSB_IS_NATIVE_
- *converter = Swap24;
- #endif
- break;
- case ASIOSTInt24LSB:
- /* dest: paInt24, no conversion necessary, possible byte swap */
- #ifdef PA_MSB_IS_NATIVE_
- *converter = Swap24;
- #endif
- break;
- }
-}
-
-
-static void SelectPaToAsioConverter( ASIOSampleType type, PaAsioBufferConverter **converter, long *shift )
-{
- *shift = 0;
- *converter = 0;
-
- switch (type) {
- case ASIOSTInt16MSB:
- /* src: paInt16, no conversion necessary, possible byte swap*/
- #ifdef PA_LSB_IS_NATIVE_
- *converter = Swap16;
- #endif
- break;
- case ASIOSTInt16LSB:
- /* src: paInt16, no conversion necessary, possible byte swap*/
- #ifdef PA_MSB_IS_NATIVE_
- *converter = Swap16;
- #endif
- break;
- case ASIOSTFloat32MSB:
- /* src: paFloat32, no conversion necessary, possible byte swap*/
- #ifdef PA_LSB_IS_NATIVE_
- *converter = Swap32;
- #endif
- break;
- case ASIOSTFloat32LSB:
- /* src: paFloat32, no conversion necessary, possible byte swap*/
- #ifdef PA_MSB_IS_NATIVE_
- *converter = Swap32;
- #endif
- break;
- case ASIOSTFloat64MSB:
- /* src: paFloat32, in-place conversion to/from float32, possible byte swap*/
- #ifdef PA_LSB_IS_NATIVE_
- *converter = ConvertFloat32ToFloat64Swap64;
- #else
- *converter = ConvertFloat32ToFloat64;
- #endif
- break;
- case ASIOSTFloat64LSB:
- /* src: paFloat32, in-place conversion to/from float32, possible byte swap*/
- #ifdef PA_MSB_IS_NATIVE_
- *converter = ConvertFloat32ToFloat64Swap64;
- #else
- *converter = ConvertFloat32ToFloat64;
- #endif
- break;
- case ASIOSTInt32MSB:
- /* src: paInt32, no conversion necessary, possible byte swap */
- #ifdef PA_LSB_IS_NATIVE_
- *converter = Swap32;
- #endif
- break;
- case ASIOSTInt32LSB:
- /* src: paInt32, no conversion necessary, possible byte swap */
- #ifdef PA_MSB_IS_NATIVE_
- *converter = Swap32;
- #endif
- break;
- case ASIOSTInt32MSB16:
- /* src: paInt32, 16 bit shift, possible byte swap */
- #ifdef PA_LSB_IS_NATIVE_
- *converter = ShiftRightSwap32;
- #else
- *converter = ShiftRight32;
- #endif
- *shift = 16;
- break;
- case ASIOSTInt32MSB18:
- /* src: paInt32, 14 bit shift, possible byte swap */
- #ifdef PA_LSB_IS_NATIVE_
- *converter = ShiftRightSwap32;
- #else
- *converter = ShiftRight32;
- #endif
- *shift = 14;
- break;
- case ASIOSTInt32MSB20:
- /* src: paInt32, 12 bit shift, possible byte swap */
- #ifdef PA_LSB_IS_NATIVE_
- *converter = ShiftRightSwap32;
- #else
- *converter = ShiftRight32;
- #endif
- *shift = 12;
- break;
- case ASIOSTInt32MSB24:
- /* src: paInt32, 8 bit shift, possible byte swap */
- #ifdef PA_LSB_IS_NATIVE_
- *converter = ShiftRightSwap32;
- #else
- *converter = ShiftRight32;
- #endif
- *shift = 8;
- break;
- case ASIOSTInt32LSB16:
- /* src: paInt32, 16 bit shift, possible byte swap */
- #ifdef PA_MSB_IS_NATIVE_
- *converter = ShiftRightSwap32;
- #else
- *converter = ShiftRight32;
- #endif
- *shift = 16;
- break;
- case ASIOSTInt32LSB18:
- /* src: paInt32, 14 bit shift, possible byte swap */
- #ifdef PA_MSB_IS_NATIVE_
- *converter = ShiftRightSwap32;
- #else
- *converter = ShiftRight32;
- #endif
- *shift = 14;
- break;
- case ASIOSTInt32LSB20:
- /* src: paInt32, 12 bit shift, possible byte swap */
- #ifdef PA_MSB_IS_NATIVE_
- *converter = ShiftRightSwap32;
- #else
- *converter = ShiftRight32;
- #endif
- *shift = 12;
- break;
- case ASIOSTInt32LSB24:
- /* src: paInt32, 8 bit shift, possible byte swap */
- #ifdef PA_MSB_IS_NATIVE_
- *converter = ShiftRightSwap32;
- #else
- *converter = ShiftRight32;
- #endif
- *shift = 8;
- break;
- case ASIOSTInt24MSB:
- /* src: paInt24, no conversion necessary, possible byte swap */
- #ifdef PA_LSB_IS_NATIVE_
- *converter = Swap24;
- #endif
- break;
- case ASIOSTInt24LSB:
- /* src: paInt24, no conversion necessary, possible byte swap */
- #ifdef PA_MSB_IS_NATIVE_
- *converter = Swap24;
- #endif
- break;
- }
-}
-
-
-typedef struct PaAsioDeviceInfo
-{
- PaDeviceInfo commonDeviceInfo;
- long minBufferSize;
- long maxBufferSize;
- long preferredBufferSize;
- long bufferGranularity;
-}
-PaAsioDeviceInfo;
-
-
-PaError PaAsio_GetAvailableLatencyValues( PaDeviceIndex device,
- long *minLatency, long *maxLatency, long *preferredLatency, long *granularity )
-{
- PaError result;
- PaUtilHostApiRepresentation *hostApi;
- PaDeviceIndex hostApiDevice;
-
- result = PaUtil_GetHostApiRepresentation( &hostApi, paASIO );
-
- if( result == paNoError )
- {
- result = PaUtil_DeviceIndexToHostApiDeviceIndex( &hostApiDevice, device, hostApi );
-
- if( result == paNoError )
- {
- PaAsioDeviceInfo *asioDeviceInfo =
- (PaAsioDeviceInfo*)hostApi->deviceInfos[hostApiDevice];
-
- *minLatency = asioDeviceInfo->minBufferSize;
- *maxLatency = asioDeviceInfo->maxBufferSize;
- *preferredLatency = asioDeviceInfo->preferredBufferSize;
- *granularity = asioDeviceInfo->bufferGranularity;
- }
- }
-
- return result;
-}
-
-
-
-typedef struct PaAsioDriverInfo
-{
- ASIODriverInfo asioDriverInfo;
- long numInputChannels, numOutputChannels;
- long bufferMinSize, bufferMaxSize, bufferPreferredSize, bufferGranularity;
- bool postOutput;
-}
-PaAsioDriverInfo;
-
-/*
- load the asio driver named by <driverName> and return statistics about
- the driver in info. If no error occurred, the driver will remain open
- and must be closed by the called by calling ASIOExit() - if an error
- is returned the driver will already be closed.
-*/
-static PaError LoadAsioDriver( const char *driverName, PaAsioDriverInfo *info )
-{
- PaError result = paNoError;
- ASIOError asioError;
- int asioIsInitialized = 0;
-
- if( !loadAsioDriver( const_cast<char*>(driverName) ) )
- {
- result = paUnanticipatedHostError;
- PA_ASIO_SET_LAST_HOST_ERROR( 0, "Failed to load ASIO driver" );
- goto error;
- }
-
- if( (asioError = ASIOInit( &info->asioDriverInfo )) != ASE_OK )
- {
- result = paUnanticipatedHostError;
- PA_ASIO_SET_LAST_ASIO_ERROR( asioError );
- goto error;
- }
- else
- {
- asioIsInitialized = 1;
- }
-
- if( (asioError = ASIOGetChannels(&info->numInputChannels,
- &info->numOutputChannels)) != ASE_OK )
- {
- result = paUnanticipatedHostError;
- PA_ASIO_SET_LAST_ASIO_ERROR( asioError );
- goto error;
- }
-
- if( (asioError = ASIOGetBufferSize(&info->bufferMinSize,
- &info->bufferMaxSize, &info->bufferPreferredSize,
- &info->bufferGranularity)) != ASE_OK )
- {
- result = paUnanticipatedHostError;
- PA_ASIO_SET_LAST_ASIO_ERROR( asioError );
- goto error;
- }
-
- if( ASIOOutputReady() == ASE_OK )
- info->postOutput = true;
- else
- info->postOutput = false;
-
- return result;
-
-error:
- if( asioIsInitialized )
- ASIOExit();
-
- return result;
-}
-
-
-#define PA_DEFAULTSAMPLERATESEARCHORDER_COUNT_ 13 /* must be the same number of elements as in the array below */
-static ASIOSampleRate defaultSampleRateSearchOrder_[]
- = {44100.0, 48000.0, 32000.0, 24000.0, 22050.0, 88200.0, 96000.0,
- 192000.0, 16000.0, 12000.0, 11025.0, 96000.0, 8000.0 };
-
-
-PaError PaAsio_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex hostApiIndex )
-{
- PaError result = paNoError;
- int i, j, driverCount;
- PaAsioHostApiRepresentation *asioHostApi;
- PaAsioDeviceInfo *deviceInfoArray;
- char **names;
- PaAsioDriverInfo paAsioDriverInfo;
- ASIOError asioError;
- ASIODriverInfo asioDriverInfo;
- ASIOChannelInfo asioChannelInfo;
- double *sampleRates;
-
-
- asioHostApi = (PaAsioHostApiRepresentation*)PaUtil_AllocateMemory( sizeof(PaAsioHostApiRepresentation) );
- if( !asioHostApi )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- asioHostApi->allocations = PaUtil_CreateAllocationGroup();
- if( !asioHostApi->allocations )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- asioHostApi->driverOpen = 0;
-
- *hostApi = &asioHostApi->inheritedHostApiRep;
- (*hostApi)->info.structVersion = 1;
-
- (*hostApi)->info.type = paASIO;
- (*hostApi)->info.name = "ASIO";
- (*hostApi)->info.deviceCount = 0;
-
- #ifdef WINDOWS
- CoInitialize(0);
- #endif
-
- /* MUST BE CHECKED : to force fragments loading on Mac */
- loadAsioDriver( "dummy" );
-
-
- /* driverCount is the number of installed drivers - not necessarily
- the number of installed physical devices. */
- #if MAC
- driverCount = asioDrivers->getNumFragments();
- #elif WINDOWS
- driverCount = asioDrivers->asioGetNumDev();
- #endif
-
- if( driverCount > 0 )
- {
- names = GetAsioDriverNames( asioHostApi->allocations, driverCount );
- if( !names )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
-
- /* allocate enough space for all drivers, even if some aren't installed */
-
- (*hostApi)->deviceInfos = (PaDeviceInfo**)PaUtil_GroupAllocateMemory(
- asioHostApi->allocations, sizeof(PaDeviceInfo*) * driverCount );
- if( !(*hostApi)->deviceInfos )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- /* allocate all device info structs in a contiguous block */
- deviceInfoArray = (PaAsioDeviceInfo*)PaUtil_GroupAllocateMemory(
- asioHostApi->allocations, sizeof(PaAsioDeviceInfo) * driverCount );
- if( !deviceInfoArray )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
-
- #if WINDOWS
- asioDriverInfo.asioVersion = 2; /* FIXME - is this right? PLB */
- asioDriverInfo.sysRef = GetDesktopWindow(); /* FIXME - is this right? PLB */
- #elif MAC
- /* REVIEW: is anything needed here?? RDB */
- #endif
-
- for( i=0; i < driverCount; ++i )
- {
- /* Attempt to load the asio driver... */
- if( LoadAsioDriver( names[i], &paAsioDriverInfo ) == paNoError )
- {
- PaAsioDeviceInfo *asioDeviceInfo = &deviceInfoArray[ (*hostApi)->info.deviceCount ];
- PaDeviceInfo *deviceInfo = &asioDeviceInfo->commonDeviceInfo;
-
- deviceInfo->structVersion = 2;
- deviceInfo->hostApi = hostApiIndex;
-
- deviceInfo->name = names[i];
-
- deviceInfo->maxInputChannels = paAsioDriverInfo.numInputChannels;
- deviceInfo->maxOutputChannels = paAsioDriverInfo.numOutputChannels;
-
- PA_DEBUG(("PaAsio_Initialize: inputChannels = %d\n", inputChannels ));
- PA_DEBUG(("PaAsio_Initialize: outputChannels = %d\n", outputChannels ));
-
-
- deviceInfo->defaultLowInputLatency = 0.; /* @todo IMPLEMENT ME */
- deviceInfo->defaultLowOutputLatency = 0.; /* @todo IMPLEMENT ME */
- deviceInfo->defaultHighInputLatency = 0.; /* @todo IMPLEMENT ME */
- deviceInfo->defaultHighOutputLatency = 0.; /* @todo IMPLEMENT ME */
-
- deviceInfo->defaultSampleRate = 0.;
- for( int j=0; j < PA_DEFAULTSAMPLERATESEARCHORDER_COUNT_; ++j )
- {
- ASIOError asioError = ASIOCanSampleRate( defaultSampleRateSearchOrder_[j] );
- if( asioError != ASE_NoClock && asioError != ASE_NotPresent ){
- deviceInfo->defaultSampleRate = defaultSampleRateSearchOrder_[j];
- break;
- }
- }
-
- asioDeviceInfo->minBufferSize = paAsioDriverInfo.bufferMinSize;
- asioDeviceInfo->maxBufferSize = paAsioDriverInfo.bufferMaxSize;
- asioDeviceInfo->preferredBufferSize = paAsioDriverInfo.bufferPreferredSize;
- asioDeviceInfo->bufferGranularity = paAsioDriverInfo.bufferGranularity;
-
-
- /* We assume that all channels have the same SampleType, so check the first, FIXME, probably shouldn't assume that */
- asioChannelInfo.channel = 0;
- asioChannelInfo.isInput = 1;
- ASIOGetChannelInfo( &asioChannelInfo ); /* FIXME, check return code */
-
-
- /* unload the driver */
- ASIOExit();
-
- (*hostApi)->deviceInfos[ (*hostApi)->info.deviceCount ] = deviceInfo;
- ++(*hostApi)->info.deviceCount;
- }
- }
- }
-
- if( (*hostApi)->info.deviceCount > 0 )
- {
- (*hostApi)->info.defaultInputDevice = 0;
- (*hostApi)->info.defaultOutputDevice = 0;
- }
- else
- {
- (*hostApi)->info.defaultInputDevice = paNoDevice;
- (*hostApi)->info.defaultOutputDevice = paNoDevice;
- }
-
-
- (*hostApi)->Terminate = Terminate;
- (*hostApi)->OpenStream = OpenStream;
- (*hostApi)->IsFormatSupported = IsFormatSupported;
-
- PaUtil_InitializeStreamInterface( &asioHostApi->callbackStreamInterface, CloseStream, StartStream,
- StopStream, AbortStream, IsStreamStopped, IsStreamActive,
- GetStreamTime, GetStreamCpuLoad,
- PaUtil_DummyReadWrite, PaUtil_DummyReadWrite, PaUtil_DummyGetAvailable, PaUtil_DummyGetAvailable );
-
- PaUtil_InitializeStreamInterface( &asioHostApi->blockingStreamInterface, CloseStream, StartStream,
- StopStream, AbortStream, IsStreamStopped, IsStreamActive,
- GetStreamTime, PaUtil_DummyGetCpuLoad,
- ReadStream, WriteStream, GetStreamReadAvailable, GetStreamWriteAvailable );
-
- return result;
-
-error:
- if( asioHostApi )
- {
- if( asioHostApi->allocations )
- {
- PaUtil_FreeAllAllocations( asioHostApi->allocations );
- PaUtil_DestroyAllocationGroup( asioHostApi->allocations );
- }
-
- PaUtil_FreeMemory( asioHostApi );
- }
- return result;
-}
-
-
-static void Terminate( struct PaUtilHostApiRepresentation *hostApi )
-{
- PaAsioHostApiRepresentation *asioHostApi = (PaAsioHostApiRepresentation*)hostApi;
-
- /*
- IMPLEMENT ME:
- - clean up any resources not handled by the allocation group
- */
-
- if( asioHostApi->allocations )
- {
- PaUtil_FreeAllAllocations( asioHostApi->allocations );
- PaUtil_DestroyAllocationGroup( asioHostApi->allocations );
- }
-
- PaUtil_FreeMemory( asioHostApi );
-}
-
-
-static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate )
-{
- int numInputChannels, numOutputChannels;
- PaSampleFormat inputSampleFormat, outputSampleFormat;
-
- if( inputParameters )
- {
- numInputChannels = inputParameters->channelCount;
- inputSampleFormat = inputParameters->sampleFormat;
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
-
- if( inputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- /* check that input device can support numInputChannels */
- if( numInputChannels > hostApi->deviceInfos[ inputParameters->device ]->maxInputChannels )
- return paInvalidChannelCount;
-
- /* validate inputStreamInfo */
- if( inputParameters->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
- }
- else
- {
- numInputChannels = 0;
- }
-
- if( outputParameters )
- {
- numOutputChannels = outputParameters->channelCount;
- outputSampleFormat = outputParameters->sampleFormat;
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
-
- if( outputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- /* check that output device can support numInputChannels */
- if( numOutputChannels > hostApi->deviceInfos[ outputParameters->device ]->maxOutputChannels )
- return paInvalidChannelCount;
-
- /* validate outputStreamInfo */
- if( outputParameters->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
- }
- else
- {
- numOutputChannels = 0;
- }
-
- /*
- IMPLEMENT ME:
- - check that input device can support inputSampleFormat, or that
- we have the capability to convert from outputSampleFormat to
- a native format
-
- - check that output device can support outputSampleFormat, or that
- we have the capability to convert from outputSampleFormat to
- a native format
-
- - if a full duplex stream is requested, check that the combination
- of input and output parameters is supported
-
- - check that the device supports sampleRate
- */
-
- return paFormatIsSupported;
-}
-
-
-
-/* PaAsioStream - a stream data structure specifically for this implementation */
-
-typedef struct PaAsioStream
-{
- PaUtilStreamRepresentation streamRepresentation;
- PaUtilCpuLoadMeasurer cpuLoadMeasurer;
- PaUtilBufferProcessor bufferProcessor;
-
- PaAsioHostApiRepresentation *asioHostApi;
- unsigned long framesPerHostCallback;
-
- /* ASIO driver info - these may not be needed for the life of the stream,
- but store them here until we work out how format conversion is going
- to work. */
-
- ASIOBufferInfo *asioBufferInfos;
- ASIOChannelInfo *asioChannelInfos;
- long inputLatency, outputLatency; // actual latencies returned by asio
-
- long numInputChannels, numOutputChannels;
- bool postOutput;
-
- void **bufferPtrs; /* this is carved up for inputBufferPtrs and outputBufferPtrs */
- void **inputBufferPtrs[2];
- void **outputBufferPtrs[2];
-
- PaAsioBufferConverter *inputBufferConverter;
- long inputShift;
- PaAsioBufferConverter *outputBufferConverter;
- long outputShift;
-
- volatile int stopProcessing; /* stop thread once existing buffers have been returned */
- volatile int abortProcessing; /* stop thread immediately */
-}
-PaAsioStream;
-
-static PaAsioStream *theAsioStream = 0; /* due to ASIO sdk limitations there can be only one stream */
-
-
-static void ZeroOutputBuffers( PaAsioStream *stream, long index )
-{
- int i;
-
- for( i=0; i < stream->numOutputChannels; ++i )
- {
- void *buffer = stream->asioBufferInfos[ i + stream->numInputChannels ].buffers[index];
-
- int bytesPerSample = BytesPerAsioSample( stream->asioChannelInfos[ i + stream->numInputChannels ].type );
-
- memset( buffer, 0, stream->framesPerHostCallback * bytesPerSample );
- }
-}
-
-
-static unsigned long SelectHostBufferSize( unsigned long suggestedLatencyFrames,
- PaAsioDriverInfo *driverInfo )
-{
- unsigned long result;
-
- if( suggestedLatencyFrames == 0 )
- {
- result = driverInfo->bufferPreferredSize;
- }
- else{
- if( suggestedLatencyFrames <= (unsigned long)driverInfo->bufferMinSize )
- {
- result = driverInfo->bufferMinSize;
- }
- else if( suggestedLatencyFrames >= (unsigned long)driverInfo->bufferMaxSize )
- {
- result = driverInfo->bufferMaxSize;
- }
- else
- {
- if( driverInfo->bufferGranularity == -1 )
- {
- /* power-of-two */
- result = 2;
-
- while( result < suggestedLatencyFrames )
- result *= result;
-
- if( result < (unsigned long)driverInfo->bufferMinSize )
- result = driverInfo->bufferMinSize;
-
- if( result > (unsigned long)driverInfo->bufferMaxSize )
- result = driverInfo->bufferMaxSize;
- }
- else if( driverInfo->bufferGranularity == 0 )
- {
- result = driverInfo->bufferPreferredSize;
- }
- else
- {
- /* modulo granularity */
-
- result = suggestedLatencyFrames +
- (driverInfo->bufferGranularity -
- (suggestedLatencyFrames % driverInfo->bufferGranularity));
- if( result > (unsigned long)driverInfo->bufferMaxSize )
- result = driverInfo->bufferMaxSize;
- }
- }
- }
-
- return result;
-}
-
-
-/* see pa_hostapi.h for a list of validity guarantees made about OpenStream parameters */
-
-static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
- PaStream** s,
- const PaStreamParameters *inputParameters,
- const PaStreamParameters *outputParameters,
- double sampleRate,
- unsigned long framesPerBuffer,
- PaStreamFlags streamFlags,
- PaStreamCallback *streamCallback,
- void *userData )
-{
- PaError result = paNoError;
- PaAsioHostApiRepresentation *asioHostApi = (PaAsioHostApiRepresentation*)hostApi;
- PaAsioStream *stream = 0;
- unsigned long framesPerHostBuffer;
- int numInputChannels, numOutputChannels;
- PaSampleFormat inputSampleFormat, outputSampleFormat;
- PaSampleFormat hostInputSampleFormat, hostOutputSampleFormat;
- unsigned long suggestedInputLatencyFrames;
- unsigned long suggestedOutputLatencyFrames;
- const char *driverName;
- ASIOError asioError;
- int asioIsInitialized = 0;
- int asioBuffersCreated = 0;
- PaAsioDriverInfo driverInfo;
- int i;
-
- /* unless we move to using lower level ASIO calls, we can only have
- one device open at a time */
- if( asioHostApi->driverOpen )
- return paDeviceUnavailable;
-
-
-
- if( inputParameters )
- {
- numInputChannels = inputParameters->channelCount;
- inputSampleFormat = inputParameters->sampleFormat;
- suggestedInputLatencyFrames = inputParameters->suggestedLatency * sampleRate;
-
- driverName = asioHostApi->inheritedHostApiRep.deviceInfos[ inputParameters->device ]->name;
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
- if( inputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- /* validate hostApiSpecificStreamInfo */
- if( inputParameters->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
- }
- else
- {
- numInputChannels = 0;
- suggestedInputLatencyFrames = 0;
- }
-
- if( outputParameters )
- {
- numOutputChannels = outputParameters->channelCount;
- outputSampleFormat = outputParameters->sampleFormat;
- suggestedOutputLatencyFrames = outputParameters->suggestedLatency;
-
- driverName = asioHostApi->inheritedHostApiRep.deviceInfos[ outputParameters->device ]->name;
-
- /* unless alternate device specification is supported, reject the use of
- paUseHostApiSpecificDeviceSpecification */
- if( outputParameters->device == paUseHostApiSpecificDeviceSpecification )
- return paInvalidDevice;
-
- /* validate hostApiSpecificStreamInfo */
- if( outputParameters->hostApiSpecificStreamInfo )
- return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */
- }
- else
- {
- numOutputChannels = 0;
- suggestedOutputLatencyFrames = 0;
- }
-
-
- if( inputParameters && outputParameters )
- {
- /* full duplex ASIO stream must use the same device for input and output */
-
- if( inputParameters->device != outputParameters->device )
- return paBadIODeviceCombination;
- }
-
-
-
- /* NOTE: we load the driver and use its current settings
- rather than the ones in our device info structure which may be stale */
-
- result = LoadAsioDriver( driverName, &driverInfo );
- if( result == paNoError )
- asioIsInitialized = 1;
- else
- goto error;
-
- /* check that input device can support numInputChannels */
- if( numInputChannels > 0 )
- {
- if( numInputChannels > driverInfo.numInputChannels )
- {
- result = paInvalidChannelCount;
- goto error;
- }
- }
-
- /* check that output device can support numOutputChannels */
- if( numOutputChannels )
- {
- if( numOutputChannels > driverInfo.numOutputChannels )
- {
- result = paInvalidChannelCount;
- goto error;
- }
- }
-
- /* Set sample rate */
- if( ASIOSetSampleRate( sampleRate ) != ASE_OK )
- {
- result = paInvalidSampleRate;
- goto error;
- }
-
- framesPerHostBuffer = SelectHostBufferSize(
- (( suggestedInputLatencyFrames > suggestedOutputLatencyFrames )
- ? suggestedInputLatencyFrames : suggestedOutputLatencyFrames),
- &driverInfo );
-
- /*
- IMPLEMENT ME:
- - if a full duplex stream is requested, check that the combination
- of input and output parameters is supported
- */
-
-
- /* validate platform specific flags */
- if( (streamFlags & paPlatformSpecificFlags) != 0 )
- return paInvalidFlag; /* unexpected platform specific flag */
-
-
- stream = (PaAsioStream*)PaUtil_AllocateMemory( sizeof(PaAsioStream) );
- if( !stream )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- stream->asioBufferInfos = 0; /* for deallocation in error */
- stream->asioChannelInfos = 0; /* for deallocation in error */
- stream->bufferPtrs = 0; /* for deallocation in error */
-
- if( streamCallback )
- {
- PaUtil_InitializeStreamRepresentation( &stream->streamRepresentation,
- &asioHostApi->callbackStreamInterface, streamCallback, userData );
- }
- else
- {
- PaUtil_InitializeStreamRepresentation( &stream->streamRepresentation,
- &asioHostApi->blockingStreamInterface, streamCallback, userData );
- }
-
-
- PaUtil_InitializeCpuLoadMeasurer( &stream->cpuLoadMeasurer, sampleRate );
-
-
- stream->asioBufferInfos = (ASIOBufferInfo*)PaUtil_AllocateMemory(
- sizeof(ASIOBufferInfo) * (numInputChannels + numOutputChannels) );
- if( !stream->asioBufferInfos )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
-
- for( i=0; i < numInputChannels; ++i )
- {
- ASIOBufferInfo *info = &stream->asioBufferInfos[i];
-
- info->isInput = ASIOTrue;
- info->channelNum = i;
- info->buffers[0] = info->buffers[1] = 0;
- }
-
- for( i=0; i < numOutputChannels; ++i ){
- ASIOBufferInfo *info = &stream->asioBufferInfos[numInputChannels+i];
-
- info->isInput = ASIOFalse;
- info->channelNum = i;
- info->buffers[0] = info->buffers[1] = 0;
- }
-
- asioError = ASIOCreateBuffers( stream->asioBufferInfos, numInputChannels+numOutputChannels,
- framesPerHostBuffer, &asioCallbacks_ );
- if( asioError != ASE_OK )
- {
- result = paUnanticipatedHostError;
- PA_ASIO_SET_LAST_ASIO_ERROR( asioError );
- goto error;
- }
-
- asioBuffersCreated = 1;
-
- stream->asioChannelInfos = (ASIOChannelInfo*)PaUtil_AllocateMemory(
- sizeof(ASIOChannelInfo) * (numInputChannels + numOutputChannels) );
- if( !stream->asioChannelInfos )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- for( i=0; i < numInputChannels + numOutputChannels; ++i )
- {
- stream->asioChannelInfos[i].channel = stream->asioBufferInfos[i].channelNum;
- stream->asioChannelInfos[i].isInput = stream->asioBufferInfos[i].isInput;
- asioError = ASIOGetChannelInfo( &stream->asioChannelInfos[i] );
- if( asioError != ASE_OK )
- {
- result = paUnanticipatedHostError;
- PA_ASIO_SET_LAST_ASIO_ERROR( asioError );
- goto error;
- }
- }
-
- stream->bufferPtrs = (void**)PaUtil_AllocateMemory(
- 2 * sizeof(void*) * (numInputChannels + numOutputChannels) );
- if( !stream->bufferPtrs )
- {
- result = paInsufficientMemory;
- goto error;
- }
-
- if( numInputChannels > 0 )
- {
- stream->inputBufferPtrs[0] = stream-> bufferPtrs;
- stream->inputBufferPtrs[1] = &stream->bufferPtrs[numInputChannels];
-
- for( i=0; i<numInputChannels; ++i )
- {
- stream->inputBufferPtrs[0][i] = stream->asioBufferInfos[i].buffers[0];
- stream->inputBufferPtrs[1][i] = stream->asioBufferInfos[i].buffers[1];
- }
- }
- else
- {
- stream->inputBufferPtrs[0] = 0;
- stream->inputBufferPtrs[1] = 0;
- }
-
- if( numOutputChannels > 0 )
- {
- stream->outputBufferPtrs[0] = &stream->bufferPtrs[numInputChannels*2];
- stream->outputBufferPtrs[1] = &stream->bufferPtrs[numInputChannels*2 + numOutputChannels];
-
- for( i=0; i<numOutputChannels; ++i )
- {
- stream->outputBufferPtrs[0][i] = stream->asioBufferInfos[numInputChannels+i].buffers[0];
- stream->outputBufferPtrs[1][i] = stream->asioBufferInfos[numInputChannels+i].buffers[1];
- }
- }
- else
- {
- stream->outputBufferPtrs[0] = 0;
- stream->outputBufferPtrs[1] = 0;
- }
-
-
- ASIOGetLatencies( &stream->inputLatency, &stream->outputLatency );
-
- stream->streamRepresentation.streamInfo.inputLatency = (double)stream->inputLatency / sampleRate; // seconds
- stream->streamRepresentation.streamInfo.outputLatency = (double)stream->outputLatency / sampleRate; // seconds
- stream->streamRepresentation.streamInfo.sampleRate = sampleRate;
-
-
- PA_DEBUG(("PaAsio : InputLatency = %ld latency = %ld msec \n",
- stream->inputLatency,
- (long)((stream->inputLatency*1000)/ sampleRate)));
- PA_DEBUG(("PaAsio : OuputLatency = %ld latency = %ld msec \n",
- stream->outputLatency,
- (long)((stream->outputLatency*1000)/ sampleRate)));
-
-
- if( numInputChannels > 0 )
- {
- /* FIXME: assume all channels use the same type for now */
- ASIOSampleType inputType = stream->asioChannelInfos[0].type;
-
- hostInputSampleFormat = AsioSampleTypeToPaNativeSampleFormat( inputType );
-
- SelectAsioToPaConverter( inputType, &stream->inputBufferConverter, &stream->inputShift );
- }
- else
- {
- stream->inputBufferConverter = 0;
- }
-
- if( numOutputChannels > 0 )
- {
- /* FIXME: assume all channels use the same type for now */
- ASIOSampleType outputType = stream->asioChannelInfos[numInputChannels].type;
-
- hostOutputSampleFormat = AsioSampleTypeToPaNativeSampleFormat( outputType );
-
- SelectPaToAsioConverter( outputType, &stream->outputBufferConverter, &stream->outputShift );
- }
- else
- {
- stream->outputBufferConverter = 0;
- }
-
- result = PaUtil_InitializeBufferProcessor( &stream->bufferProcessor,
- numInputChannels, inputSampleFormat, hostInputSampleFormat,
- numOutputChannels, outputSampleFormat, hostOutputSampleFormat,
- sampleRate, streamFlags, framesPerBuffer,
- framesPerHostBuffer, paUtilFixedHostBufferSize,
- streamCallback, userData );
- if( result != paNoError )
- goto error;
-
- stream->asioHostApi = asioHostApi;
- stream->framesPerHostCallback = framesPerHostBuffer;
-
- stream->numInputChannels = numInputChannels;
- stream->numOutputChannels = numOutputChannels;
- stream->postOutput = driverInfo.postOutput;
-
- asioHostApi->driverOpen = 1;
-
- *s = (PaStream*)stream;
-
- return result;
-
-error:
- if( stream )
- {
- if( stream->asioBufferInfos )
- PaUtil_FreeMemory( stream->asioBufferInfos );
-
- if( stream->asioChannelInfos )
- PaUtil_FreeMemory( stream->asioChannelInfos );
-
- if( stream->bufferPtrs )
- PaUtil_FreeMemory( stream->bufferPtrs );
-
- PaUtil_FreeMemory( stream );
- }
-
- if( asioBuffersCreated )
- ASIODisposeBuffers();
-
- if( asioIsInitialized )
- ASIOExit();
-
- return result;
-}
-
-
-/*
- When CloseStream() is called, the multi-api layer ensures that
- the stream has already been stopped or aborted.
-*/
-static PaError CloseStream( PaStream* s )
-{
- PaError result = paNoError;
- PaAsioStream *stream = (PaAsioStream*)s;
-
- /*
- IMPLEMENT ME:
- - additional stream closing + cleanup
- */
-
- PaUtil_TerminateBufferProcessor( &stream->bufferProcessor );
- PaUtil_TerminateStreamRepresentation( &stream->streamRepresentation );
-
- stream->asioHostApi->driverOpen = 0;
-
- PaUtil_FreeMemory( stream->asioBufferInfos );
- PaUtil_FreeMemory( stream->asioChannelInfos );
- PaUtil_FreeMemory( stream->bufferPtrs );
- PaUtil_FreeMemory( stream );
-
- ASIODisposeBuffers();
- ASIOExit();
-
- return result;
-}
-
-
-static void bufferSwitch(long index, ASIOBool processNow)
-{
-//TAKEN FROM THE ASIO SDK
-
- // the actual processing callback.
- // Beware that this is normally in a seperate thread, hence be sure that
- // you take care about thread synchronization. This is omitted here for
- // simplicity.
-
- // as this is a "back door" into the bufferSwitchTimeInfo a timeInfo needs
- // to be created though it will only set the timeInfo.samplePosition and
- // timeInfo.systemTime fields and the according flags
-
- ASIOTime timeInfo;
- memset( &timeInfo, 0, sizeof (timeInfo) );
-
- // get the time stamp of the buffer, not necessary if no
- // synchronization to other media is required
- if( ASIOGetSamplePosition(&timeInfo.timeInfo.samplePosition, &timeInfo.timeInfo.systemTime) == ASE_OK)
- timeInfo.timeInfo.flags = kSystemTimeValid | kSamplePositionValid;
-
- // Call the real callback
- bufferSwitchTimeInfo( &timeInfo, index, processNow );
-}
-
-
-// conversion from 64 bit ASIOSample/ASIOTimeStamp to double float
-#if NATIVE_INT64
- #define ASIO64toDouble(a) (a)
-#else
- const double twoRaisedTo32 = 4294967296.;
- #define ASIO64toDouble(a) ((a).lo + (a).hi * twoRaisedTo32)
-#endif
-
-static ASIOTime *bufferSwitchTimeInfo( ASIOTime *timeInfo, long index, ASIOBool processNow )
-{
- // the actual processing callback.
- // Beware that this is normally in a seperate thread, hence be sure that
- // you take care about thread synchronization. This is omitted here for simplicity.
-
-
- (void) processNow; /* unused parameter: FIXME: the sdk implies that we shouldn't process now if this parameter is false */
-
-#if 0
- // store the timeInfo for later use
- asioDriverInfo.tInfo = *timeInfo;
-
- // get the time stamp of the buffer, not necessary if no
- // synchronization to other media is required
-
- if (timeInfo->timeInfo.flags & kSystemTimeValid)
- asioDriverInfo.nanoSeconds = ASIO64toDouble(timeInfo->timeInfo.systemTime);
- else
- asioDriverInfo.nanoSeconds = 0;
-
- if (timeInfo->timeInfo.flags & kSamplePositionValid)
- asioDriverInfo.samples = ASIO64toDouble(timeInfo->timeInfo.samplePosition);
- else
- asioDriverInfo.samples = 0;
-
- if (timeInfo->timeCode.flags & kTcValid)
- asioDriverInfo.tcSamples = ASIO64toDouble(timeInfo->timeCode.timeCodeSamples);
- else
- asioDriverInfo.tcSamples = 0;
-
- // get the system reference time
- asioDriverInfo.sysRefTime = get_sys_reference_time();
-#endif
-
-#if 0
- // a few debug messages for the Windows device driver developer
- // tells you the time when driver got its interrupt and the delay until the app receives
- // the event notification.
- static double last_samples = 0;
- char tmp[128];
- sprintf (tmp, "diff: %d / %d ms / %d ms / %d samples \n", asioDriverInfo.sysRefTime - (long)(asioDriverInfo.nanoSeconds / 1000000.0), asioDriverInfo.sysRefTime, (long)(asioDriverInfo.nanoSeconds / 1000000.0), (long)(asioDriverInfo.samples - last_samples));
- OutputDebugString (tmp);
- last_samples = asioDriverInfo.samples;
-#endif
-
- // Keep sample position
- // FIXME: asioDriverInfo.pahsc_NumFramesDone = timeInfo->timeInfo.samplePosition.lo;
-
- if( theAsioStream->stopProcessing || theAsioStream->abortProcessing ) {
-
- ZeroOutputBuffers( theAsioStream, index );
-
- // Finally if the driver supports the ASIOOutputReady() optimization,
- // do it here, all data are in place
- if( theAsioStream->postOutput )
- ASIOOutputReady();
-
- }
- else
- {
- int i;
-
- PaUtil_BeginCpuLoadMeasurement( &theAsioStream->cpuLoadMeasurer );
-
- PaStreamCallbackTimeInfo paTimeInfo;
-
- // asio systemTime is supposed to be measured according to the same
- // clock as timeGetTime
- paTimeInfo.currentTime = (ASIO64toDouble( timeInfo->timeInfo.systemTime ) * .000000001);
- paTimeInfo.inputBufferAdcTime = paTimeInfo.currentTime - theAsioStream->streamRepresentation.streamInfo.inputLatency;
- paTimeInfo.outputBufferDacTime = paTimeInfo.currentTime + theAsioStream->streamRepresentation.streamInfo.outputLatency;
-
-
- if( theAsioStream->inputBufferConverter )
- {
- for( i=0; i<theAsioStream->numInputChannels; i++ )
- {
- theAsioStream->inputBufferConverter( theAsioStream->inputBufferPtrs[index][i],
- theAsioStream->inputShift, theAsioStream->framesPerHostCallback );
- }
- }
-
- PaUtil_BeginBufferProcessing( &theAsioStream->bufferProcessor, &paTimeInfo );
-
- PaUtil_SetInputFrameCount( &theAsioStream->bufferProcessor, 0 /* default to host buffer size */ );
- for( i=0; i<theAsioStream->numInputChannels; ++i )
- PaUtil_SetNonInterleavedInputChannel( &theAsioStream->bufferProcessor, i, theAsioStream->inputBufferPtrs[index][i] );
-
- PaUtil_SetOutputFrameCount( &theAsioStream->bufferProcessor, 0 /* default to host buffer size */ );
- for( i=0; i<theAsioStream->numOutputChannels; ++i )
- PaUtil_SetNonInterleavedOutputChannel( &theAsioStream->bufferProcessor, i, theAsioStream->outputBufferPtrs[index][i] );
-
- int callbackResult;
- unsigned long framesProcessed = PaUtil_EndBufferProcessing( &theAsioStream->bufferProcessor, &callbackResult );
-
- if( theAsioStream->outputBufferConverter )
- {
- for( i=0; i<theAsioStream->numOutputChannels; i++ )
- {
- theAsioStream->outputBufferConverter( theAsioStream->outputBufferPtrs[index][i],
- theAsioStream->outputShift, theAsioStream->framesPerHostCallback );
- }
- }
-
- PaUtil_EndCpuLoadMeasurement( &theAsioStream->cpuLoadMeasurer, framesProcessed );
-
- // Finally if the driver supports the ASIOOutputReady() optimization,
- // do it here, all data are in place
- if( theAsioStream->postOutput )
- ASIOOutputReady();
-
- if( callbackResult == paContinue )
- {
- /* nothing special to do */
- }
- else if( callbackResult == paAbort )
- {
- /* IMPLEMENT ME - finish playback immediately */
- }
- else
- {
- /* User callback has asked us to stop with paComplete or other non-zero value */
-
- /* IMPLEMENT ME - finish playback once currently queued audio has completed */
- }
- }
-
- return 0L;
-}
-
-
-static void sampleRateChanged(ASIOSampleRate sRate)
-{
- // TAKEN FROM THE ASIO SDK
- // do whatever you need to do if the sample rate changed
- // usually this only happens during external sync.
- // Audio processing is not stopped by the driver, actual sample rate
- // might not have even changed, maybe only the sample rate status of an
- // AES/EBU or S/PDIF digital input at the audio device.
- // You might have to update time/sample related conversion routines, etc.
-
- (void) sRate; /* unused parameter */
-}
-
-static long asioMessages(long selector, long value, void* message, double* opt)
-{
-// TAKEN FROM THE ASIO SDK
- // currently the parameters "value", "message" and "opt" are not used.
- long ret = 0;
-
- (void) message; /* unused parameters */
- (void) opt;
-
- switch(selector)
- {
- case kAsioSelectorSupported:
- if(value == kAsioResetRequest
- || value == kAsioEngineVersion
- || value == kAsioResyncRequest
- || value == kAsioLatenciesChanged
- // the following three were added for ASIO 2.0, you don't necessarily have to support them
- || value == kAsioSupportsTimeInfo
- || value == kAsioSupportsTimeCode
- || value == kAsioSupportsInputMonitor)
- ret = 1L;
- break;
-
- case kAsioBufferSizeChange:
- //printf("kAsioBufferSizeChange \n");
- break;
-
- case kAsioResetRequest:
- // defer the task and perform the reset of the driver during the next "safe" situation
- // You cannot reset the driver right now, as this code is called from the driver.
- // Reset the driver is done by completely destruct is. I.e. ASIOStop(), ASIODisposeBuffers(), Destruction
- // Afterwards you initialize the driver again.
-
- /*FIXME: commented the next line out */
- //asioDriverInfo.stopped; // In this sample the processing will just stop
- ret = 1L;
- break;
-
- case kAsioResyncRequest:
- // This informs the application, that the driver encountered some non fatal data loss.
- // It is used for synchronization purposes of different media.
- // Added mainly to work around the Win16Mutex problems in Windows 95/98 with the
- // Windows Multimedia system, which could loose data because the Mutex was hold too long
- // by another thread.
- // However a driver can issue it in other situations, too.
- ret = 1L;
- break;
-
- case kAsioLatenciesChanged:
- // This will inform the host application that the drivers were latencies changed.
- // Beware, it this does not mean that the buffer sizes have changed!
- // You might need to update internal delay data.
- ret = 1L;
- //printf("kAsioLatenciesChanged \n");
- break;
-
- case kAsioEngineVersion:
- // return the supported ASIO version of the host application
- // If a host applications does not implement this selector, ASIO 1.0 is assumed
- // by the driver
- ret = 2L;
- break;
-
- case kAsioSupportsTimeInfo:
- // informs the driver wether the asioCallbacks.bufferSwitchTimeInfo() callback
- // is supported.
- // For compatibility with ASIO 1.0 drivers the host application should always support
- // the "old" bufferSwitch method, too.
- ret = 1;
- break;
-
- case kAsioSupportsTimeCode:
- // informs the driver wether application is interested in time code info.
- // If an application does not need to know about time code, the driver has less work
- // to do.
- ret = 0;
- break;
- }
- return ret;
-}
-
-
-static PaError StartStream( PaStream *s )
-{
- PaError result = paNoError;
- PaAsioStream *stream = (PaAsioStream*)s;
- ASIOError asioError;
-
- if( stream->numOutputChannels > 0 )
- {
- ZeroOutputBuffers( stream, 0 );
- ZeroOutputBuffers( stream, 1 );
- }
-
- stream->stopProcessing = 0;
- stream->abortProcessing = 0;
-
- theAsioStream = stream;
- asioError = ASIOStart();
- if( asioError != ASE_OK )
- {
- theAsioStream = 0;
- result = paUnanticipatedHostError;
- PA_ASIO_SET_LAST_ASIO_ERROR( asioError );
- }
-
- return result;
-}
-
-
-static PaError StopStream( PaStream *s )
-{
- PaError result = paNoError;
- PaAsioStream *stream = (PaAsioStream*)s;
- ASIOError asioError;
-
- stream->stopProcessing = 1;
- stream->abortProcessing = 1;
-
- asioError = ASIOStop();
- if( asioError != ASE_OK )
- {
- result = paUnanticipatedHostError;
- PA_ASIO_SET_LAST_ASIO_ERROR( asioError );
- }
-
- theAsioStream = 0;
-
- return result;
-}
-
-
-static PaError AbortStream( PaStream *s )
-{
- /* ASIO doesn't provide Abort behavior, so just stop instead */
- return StopStream( s );
-}
-
-
-static PaError IsStreamStopped( PaStream *s )
-{
- //PaAsioStream *stream = (PaAsioStream*)s;
- (void) s; /* unused parameter */
- return theAsioStream == 0;
-}
-
-
-static PaError IsStreamActive( PaStream *s )
-{
- //PaAsioStream *stream = (PaAsioStream*)s;
- (void) s; /* unused parameter */
- return theAsioStream != 0; /* FIXME: currently there is no way to stop the stream from the callback */
-}
-
-
-static PaTime GetStreamTime( PaStream *s )
-{
- (void) s; /* unused parameter */
- return (double)timeGetTime() * .001;
-}
-
-
-static double GetStreamCpuLoad( PaStream* s )
-{
- PaAsioStream *stream = (PaAsioStream*)s;
-
- return PaUtil_GetCpuLoad( &stream->cpuLoadMeasurer );
-}
-
-
-/*
- As separate stream interfaces are used for blocking and callback
- streams, the following functions can be guaranteed to only be called
- for blocking streams.
-*/
-
-static PaError ReadStream( PaStream* s,
- void *buffer,
- unsigned long frames )
-{
- PaAsioStream *stream = (PaAsioStream*)s;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior*/
- (void) stream; /* unused parameters */
- (void) buffer;
- (void) frames;
-
- return paNoError;
-}
-
-
-static PaError WriteStream( PaStream* s,
- void *buffer,
- unsigned long frames )
-{
- PaAsioStream *stream = (PaAsioStream*)s;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior*/
- (void) stream; /* unused parameters */
- (void) buffer;
- (void) frames;
-
- return paNoError;
-}
-
-
-static signed long GetStreamReadAvailable( PaStream* s )
-{
- PaAsioStream *stream = (PaAsioStream*)s;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior*/
- (void) stream; /* unused parameter */
-
- return 0;
-}
-
-
-static signed long GetStreamWriteAvailable( PaStream* s )
-{
- PaAsioStream *stream = (PaAsioStream*)s;
-
- /* IMPLEMENT ME, see portaudio.h for required behavior*/
- (void) stream; /* unused parameter */
-
- return 0;
-}
-
diff --git a/pd/portaudio/pa_asio/pa_asio.h b/pd/portaudio/pa_asio/pa_asio.h
deleted file mode 100644
index c2775928..00000000
--- a/pd/portaudio/pa_asio/pa_asio.h
+++ /dev/null
@@ -1,68 +0,0 @@
-#ifndef PA_ASIO_H
-#define PA_ASIO_H
-/*
- *
- * PortAudio Portable Real-Time Audio Library
- * ASIO specific extensions
- *
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-
-#include "portaudio.h"
-
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-
-/** Retrieve legal latency settings for the specificed device, in samples.
-
- @param device The global index of the device about which the query is being made.
- @param minLatency A pointer to the location which will recieve the minimum latency value.
- @param maxLatency A pointer to the location which will recieve the maximum latency value.
- @param minLatency A pointer to the location which will recieve the preferred latency value.
- @param granularity A pointer to the location which will recieve the granularity. This value
- determines which values between minLatency and maxLatency are available. ie the step size,
- if granularity is -1 then available latency settings are powers of two.
-
- @see ASIOGetBufferSize in the ASIO SDK.
-
- @todo This function should have a better name, any suggestions?
-*/
-PaError PaAsio_GetAvailableLatencyValues( PaDeviceIndex device,
- long *minLatency, long *maxLatency, long *preferredLatency, long *granularity );
-
-
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-#endif /* PA_ASIO_H */
diff --git a/pd/portaudio/pa_asio/readme_asio_sdk_patch.txt b/pd/portaudio/pa_asio/readme_asio_sdk_patch.txt
deleted file mode 100755
index c0fdca7f..00000000
--- a/pd/portaudio/pa_asio/readme_asio_sdk_patch.txt
+++ /dev/null
@@ -1,25 +0,0 @@
-There is a bug in the ASIO SDK that causes the Macintosh version to often fail during initialization. Here is a patch that you can apply.
-
-In codefragments.cpp replace getFrontProcessDirectory function with
-the following one (GetFrontProcess replaced by GetCurrentProcess)
-
-
-bool CodeFragments::getFrontProcessDirectory(void *specs)
-{
- FSSpec *fss = (FSSpec *)specs;
- ProcessInfoRec pif;
- ProcessSerialNumber psn;
-
- memset(&psn,0,(long)sizeof(ProcessSerialNumber));
- // if(GetFrontProcess(&psn) == noErr) // wrong !!!
- if(GetCurrentProcess(&psn) == noErr) // correct !!!
- {
- pif.processName = 0;
- pif.processAppSpec = fss;
- pif.processInfoLength = sizeof(ProcessInfoRec);
- if(GetProcessInformation(&psn, &pif) == noErr)
- return true;
- }
- return false;
-}
-