RtAudio provides a common API (Application Programming Interface)
for realtime audio input/output across Linux (native ALSA, Jack,
and OSS), Macintosh OS X (CoreAudio and Jack), and Windows
- (DirectSound and ASIO) operating systems.
+ (DirectSound, ASIO and WASAPI) operating systems.
RtAudio WWW site: http://www.music.mcgill.ca/~gary/rtaudio/
RtAudio: realtime audio i/o C++ classes
- Copyright (c) 2001-2013 Gary P. Scavone
+ Copyright (c) 2001-2014 Gary P. Scavone
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation files
#ifndef __RTAUDIO_H
#define __RTAUDIO_H
+#define RTAUDIO_VERSION "4.1.1"
+
#include <string>
#include <vector>
#include <exception>
#include <iostream>
-// RtAudio version
-static const std::string VERSION( "4.1.0pre" );
-
/*! \typedef typedef unsigned long RtAudioFormat;
\brief RtAudio data format type.
/************************************************************************/
/*! \class RtAudioError
- \brief Exception handling class for RtAudio & RtMidi.
+ \brief Exception handling class for RtAudio.
The RtAudioError class is quite simple but it does allow errors to be
- "caught" by RtAudioError::Type. See the RtAudio and RtMidi
- documentation to know which methods can throw an RtAudioError.
-
+ "caught" by RtAudioError::Type. See the RtAudio documentation to know
+ which methods can throw an RtAudioError.
*/
/************************************************************************/
LINUX_OSS, /*!< The Linux Open Sound System API. */
UNIX_JACK, /*!< The Jack Low-Latency Audio Server API. */
MACOSX_CORE, /*!< Macintosh OS-X Core Audio API. */
+ WINDOWS_WASAPI, /*!< The Microsoft WASAPI API. */
WINDOWS_ASIO, /*!< The Steinberg Audio Stream I/O API. */
WINDOWS_DS, /*!< The Microsoft Direct Sound API. */
RTAUDIO_DUMMY /*!< A compilable but non-functional API. */
};
//! A static function to determine the current RtAudio version.
- static std::string getVersion( void ) { return VERSION; }
+ static std::string getVersion( void ) throw();
//! A static function to determine the available compiled audio APIs.
/*!
//! The class constructor.
/*!
- The constructor performs minor initialization tasks. No exceptions
- can be thrown.
+ The constructor performs minor initialization tasks. An exception
+ can be thrown if no API support is compiled.
If no API argument is specified and multiple API support has been
compiled, the default order of use is JACK, ALSA, OSS (Linux
systems) and ASIO, DS (Windows systems).
*/
- RtAudio( RtAudio::Api api=UNSPECIFIED ) throw();
+ RtAudio( RtAudio::Api api=UNSPECIFIED );
//! The destructor.
/*!
*/
double getStreamTime( void );
+ //! Set the stream time to a time in seconds greater than or equal to 0.0.
+ /*!
+ If a stream is not open, an RtAudioError (type = INVALID_USE) will be thrown.
+ */
+ void setStreamTime( double time );
+
//! Returns the internal stream latency in sample frames.
/*!
The stream latency refers to delay in audio input and/or output
};
// Operating system dependent thread functionality.
-#if defined(__WINDOWS_DS__) || defined(__WINDOWS_ASIO__)
+#if defined(__WINDOWS_DS__) || defined(__WINDOWS_ASIO__) || defined(__WINDOWS_WASAPI__)
+
+ #ifndef NOMINMAX
+ #define NOMINMAX
+ #endif
#include <windows.h>
#include <process.h>
- typedef unsigned long ThreadHandle;
+ typedef uintptr_t ThreadHandle;
typedef CRITICAL_SECTION StreamMutex;
#elif defined(__LINUX_ALSA__) || defined(__LINUX_PULSE__) || defined(__UNIX_JACK__) || defined(__LINUX_OSS__) || defined(__MACOSX_CORE__)
long getStreamLatency( void );
unsigned int getStreamSampleRate( void );
virtual double getStreamTime( void );
+ virtual void setStreamTime( double time );
bool isStreamOpen( void ) const { return stream_.state != STREAM_CLOSED; }
bool isStreamRunning( void ) const { return stream_.state == STREAM_RUNNING; }
void showWarnings( bool value ) { showWarnings_ = value; }
std::string errorText_;
bool showWarnings_;
RtApiStream stream_;
+ bool firstErrorOccurred_;
/*!
Protected, api-specific method that attempts to open a device
inline long RtAudio :: getStreamLatency( void ) { return rtapi_->getStreamLatency(); }
inline unsigned int RtAudio :: getStreamSampleRate( void ) { return rtapi_->getStreamSampleRate(); }
inline double RtAudio :: getStreamTime( void ) { return rtapi_->getStreamTime(); }
+inline void RtAudio :: setStreamTime( double time ) { return rtapi_->setStreamTime( time ); }
inline void RtAudio :: showWarnings( bool value ) throw() { rtapi_->showWarnings( value ); }
// RtApi Subclass prototypes.
#endif
+#if defined(__WINDOWS_WASAPI__)
+
+struct IMMDeviceEnumerator;
+
+class RtApiWasapi : public RtApi
+{
+public:
+ RtApiWasapi();
+ ~RtApiWasapi();
+
+ RtAudio::Api getCurrentApi( void ) { return RtAudio::WINDOWS_WASAPI; }
+ unsigned int getDeviceCount( void );
+ RtAudio::DeviceInfo getDeviceInfo( unsigned int device );
+ unsigned int getDefaultOutputDevice( void );
+ unsigned int getDefaultInputDevice( void );
+ void closeStream( void );
+ void startStream( void );
+ void stopStream( void );
+ void abortStream( void );
+
+private:
+ bool coInitialized_;
+ IMMDeviceEnumerator* deviceEnumerator_;
+
+ bool probeDeviceOpen( unsigned int device, StreamMode mode, unsigned int channels,
+ unsigned int firstChannel, unsigned int sampleRate,
+ RtAudioFormat format, unsigned int* bufferSize,
+ RtAudio::StreamOptions* options );
+
+ static DWORD WINAPI runWasapiThread( void* wasapiPtr );
+ static DWORD WINAPI stopWasapiThread( void* wasapiPtr );
+ static DWORD WINAPI abortWasapiThread( void* wasapiPtr );
+ void wasapiThread();
+};
+
+#endif
+
#if defined(__LINUX_ALSA__)
class RtApiAlsa: public RtApi
projects / rtaudio-cdist.git / blobdiff