#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <windows.h>
#include <mmsystem.h>
#include <process.h>
#include <assert.h>
#include <malloc.h>
#include <memory.h>
#include "portaudio.h"
#include "pa_trace.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 "pa_debugprint.h"
#include "pa_win_wmme.h"
#include "pa_win_waveformat.h"
Non-critical stuff for the future:
#define DRVM_MAPPER_PREFERRED_GET (0x2000+21) |
Referenced by PaWinMme_Initialize().
#define PA_CIRCULAR_DECREMENT_ | ( | current, | |||
max | ) | ( ((current) == 0) ? ((max)-1) : (current-1) ) |
#define PA_CIRCULAR_INCREMENT_ | ( | current, | |||
max | ) | ( (((current) + 1) >= (max)) ? (0) : (current+1) ) |
#define PA_DEFAULTSAMPLERATESEARCHORDER_COUNT_ (13) |
#define PA_ENV_BUF_SIZE_ (32) |
#define PA_IS_FULL_DUPLEX_STREAM_ | ( | stream | ) | ( stream ->input.waveHandles && stream ->output.waveHandles ) |
#define PA_IS_HALF_DUPLEX_STREAM_ | ( | stream | ) | ( !(stream ->input.waveHandles && stream ->output.waveHandles) ) |
#define PA_IS_INPUT_STREAM_ | ( | stream | ) | ( stream ->input.waveHandles ) |
Referenced by PaWinMME_GetStreamInputHandle(), and PaWinMME_GetStreamInputHandleCount().
#define PA_IS_OUTPUT_STREAM_ | ( | stream | ) | ( stream ->output.waveHandles ) |
Referenced by PaWinMME_GetStreamOutputHandle(), and PaWinMME_GetStreamOutputHandleCount().
#define PA_MME_MAX_HOST_BUFFER_BYTES_ (32 * 1024) |
#define PA_MME_MAX_HOST_BUFFER_SECS_ (0.1) |
#define PA_MME_MIN_HOST_BUFFER_FRAMES_WHEN_UNSPECIFIED_ (16) |
#define PA_MME_MIN_HOST_INPUT_BUFFER_COUNT_FULL_DUPLEX_ (3) |
#define PA_MME_MIN_HOST_INPUT_BUFFER_COUNT_HALF_DUPLEX_ (2) |
#define PA_MME_MIN_HOST_OUTPUT_BUFFER_COUNT_ (2) |
#define PA_MME_MIN_TIMEOUT_MSEC_ (1000) |
#define PA_MME_SET_LAST_SYSTEM_ERROR | ( | errorCode | ) | PaMme_SetLastSystemError( errorCode ) |
#define PA_MME_SET_LAST_WAVEIN_ERROR | ( | mmresult | ) |
{ \ char mmeErrorText[ MAXERRORLENGTH ]; \ waveInGetErrorText( mmresult, mmeErrorText, MAXERRORLENGTH ); \ PaUtil_SetLastHostErrorInfo( paMME, mmresult, mmeErrorText ); \ }
#define PA_MME_SET_LAST_WAVEOUT_ERROR | ( | mmresult | ) |
{ \ char mmeErrorText[ MAXERRORLENGTH ]; \ waveOutGetErrorText( mmresult, mmeErrorText, MAXERRORLENGTH ); \ PaUtil_SetLastHostErrorInfo( paMME, mmresult, mmeErrorText ); \ }
#define PA_MME_USE_HIGH_DEFAULT_LATENCY_ (0) |
#define PA_MME_WIN_9X_DEFAULT_LATENCY_ (0.2) |
#define PA_MME_WIN_NT_DEFAULT_LATENCY_ (PA_MME_WIN_9X_DEFAULT_LATENCY_ * 2) |
#define PA_MME_WIN_WDM_DEFAULT_LATENCY_ (PA_MME_WIN_9X_DEFAULT_LATENCY_) |
#define PA_REC_IN_DEV_ENV_NAME_ ("PA_RECOMMENDED_INPUT_DEVICE") |
#define PA_REC_OUT_DEV_ENV_NAME_ ("PA_RECOMMENDED_OUTPUT_DEVICE") |
typedef struct PaWinMmeStream PaWinMmeStream |
HWAVEIN PaWinMME_GetStreamInputHandle | ( | PaStream * | stream, | |
int | handleIndex | |||
) |
Retrieve a wave in handle used by a PortAudio WinMME stream.
stream | The stream to query. | |
handleIndex | The zero based index of the wave in handle to retrieve. This should be in the range [0, PaWinMME_GetStreamInputHandleCount(stream)-1]. |
References PaWinMmeStream::input, PA_IS_INPUT_STREAM_, paNoError, and PaWinMmeSingleDirectionHandlesAndBuffers::waveHandles.
int PaWinMME_GetStreamInputHandleCount | ( | PaStream * | stream | ) |
Retrieve the number of wave in handles used by a PortAudio WinMME stream. Returns zero if the stream is output only.
References PaWinMmeSingleDirectionHandlesAndBuffers::deviceCount, PaWinMmeStream::input, PA_IS_INPUT_STREAM_, and paNoError.
HWAVEOUT PaWinMME_GetStreamOutputHandle | ( | PaStream * | stream, | |
int | handleIndex | |||
) |
Retrieve a wave out handle used by a PortAudio WinMME stream.
stream | The stream to query. | |
handleIndex | The zero based index of the wave out handle to retrieve. This should be in the range [0, PaWinMME_GetStreamOutputHandleCount(stream)-1]. |
References PaWinMmeStream::output, PA_IS_OUTPUT_STREAM_, paNoError, and PaWinMmeSingleDirectionHandlesAndBuffers::waveHandles.
int PaWinMME_GetStreamOutputHandleCount | ( | PaStream * | stream | ) |
Retrieve the number of wave out handles used by a PortAudio WinMME stream. Returns zero if the stream is input only.
References PaWinMmeSingleDirectionHandlesAndBuffers::deviceCount, PaWinMmeStream::output, PA_IS_OUTPUT_STREAM_, and paNoError.
PaError PaWinMme_Initialize | ( | PaUtilHostApiRepresentation ** | hostApi, | |
PaHostApiIndex | index | |||
) |
References PaWinMmeHostApiRepresentation::allocations, PaWinMmeHostApiRepresentation::blockingStreamInterface, PaWinMmeHostApiRepresentation::callbackStreamInterface, PaDeviceInfo::defaultHighInputLatency, PaDeviceInfo::defaultHighOutputLatency, PaDeviceInfo::defaultLowInputLatency, PaDeviceInfo::defaultLowOutputLatency, PaWinMmeDeviceInfo::deviceInputChannelCountIsKnown, PaWinMmeDeviceInfo::deviceOutputChannelCountIsKnown, DRVM_MAPPER_PREFERRED_GET, GetStreamReadAvailable(), GetStreamWriteAvailable(), PaDeviceInfo::hostApi, PaUtilHostApiRepresentation::info, PaWinMmeDeviceInfo::inheritedDeviceInfo, PaWinMmeHostApiRepresentation::inheritedHostApiRep, PaWinMmeHostApiRepresentation::inputDeviceCount, PaDeviceInfo::maxInputChannels, PaDeviceInfo::maxOutputChannels, PaWinMmeHostApiRepresentation::outputDeviceCount, paInsufficientMemory, paMME, paNoDevice, paNoError, PaUtil_AllocateMemory(), PaUtil_CreateAllocationGroup(), PaUtil_DestroyAllocationGroup(), PaUtil_DummyGetCpuLoad(), PaUtil_DummyGetReadAvailable(), PaUtil_DummyGetWriteAvailable(), PaUtil_DummyRead(), PaUtil_DummyWrite(), PaUtil_FreeAllAllocations(), PaUtil_FreeMemory(), PaUtil_GroupAllocateMemory(), PaUtil_InitializeStreamInterface(), ReadStream(), PaDeviceInfo::structVersion, PaHostApiInfo::structVersion, PaWinMmeHostApiRepresentation::winMmeDeviceIds, and WriteStream().