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Upgrade to RtAudio v5.1.0
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RtAudio - a set of C++ classes that provide a common API for realtime audio input/output across Linux (native ALSA, JACK, PulseAudio and OSS), Macintosh OS X (CoreAudio and JACK), and Windows (DirectSound, ASIO and WASAPI) operating systems.
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# RtAudio
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By Gary P. Scavone, 2001-2017 (and many other developers!)
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[](https://travis-ci.org/thestk/rtaudio)
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A set of C++ classes that provide a common API for realtime audio input/output across Linux (native ALSA, JACK, PulseAudio and OSS), Macintosh OS X (CoreAudio and JACK), and Windows (DirectSound, ASIO and WASAPI) operating systems.
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By Gary P. Scavone, 2001-2019 (and many other developers!)
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This distribution of RtAudio contains the following:
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doc: RtAudio documentation (see doc/html/index.html)
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tests: example RtAudio programs
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include: header and source files necessary for ASIO, DS & OSS compilation
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tests/Windows: Visual C++ .net test program workspace and projects
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- doc: RtAudio documentation (see doc/html/index.html)
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- tests: example RtAudio programs
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- include: header and source files necessary for ASIO, DS & OSS compilation
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- tests/Windows: Visual C++ .net test program workspace and projects
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OVERVIEW:
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## Overview
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RtAudio is a set of C++ classes that provides a common API (Application Programming Interface) for realtime audio input/output across Linux (native ALSA, JACK, PulseAudio and OSS), Macintosh OS X and Windows (DirectSound, ASIO and WASAPI) operating systems. RtAudio significantly simplifies the process of interacting with computer audio hardware. It was designed with the following objectives:
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@ -24,17 +28,17 @@ RtAudio is a set of C++ classes that provides a common API (Application Programm
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RtAudio incorporates the concept of audio streams, which represent audio output (playback) and/or input (recording). Available audio devices and their capabilities can be enumerated and then specified when opening a stream. Where applicable, multiple API support can be compiled and a particular API specified when creating an RtAudio instance. See the \ref apinotes section for information specific to each of the supported audio APIs.
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FURTHER READING:
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## Further Reading
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For complete documentation on RtAudio, see the doc directory of the distribution or surf to http://www.music.mcgill.ca/~gary/rtaudio/.
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LEGAL AND ETHICAL:
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## Legal and ethical:
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The RtAudio license is similar to the MIT License.
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RtAudio: a set of realtime audio i/o C++ classes
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Copyright (c) 2001-2017 Gary P. Scavone
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Copyright (c) 2001-2019 Gary P. Scavone
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation files
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1089
external/rtaudio/RtAudio.cpp
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1089
external/rtaudio/RtAudio.cpp
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File diff suppressed because it is too large
Load Diff
68
external/rtaudio/RtAudio.h
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68
external/rtaudio/RtAudio.h
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@ -7,10 +7,11 @@
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and OSS), Macintosh OS X (CoreAudio and Jack), and Windows
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(DirectSound, ASIO and WASAPI) operating systems.
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RtAudio GitHub site: https://github.com/thestk/rtaudio
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RtAudio WWW site: http://www.music.mcgill.ca/~gary/rtaudio/
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RtAudio: realtime audio i/o C++ classes
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Copyright (c) 2001-2017 Gary P. Scavone
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Copyright (c) 2001-2019 Gary P. Scavone
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation files
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@ -45,7 +46,21 @@
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#ifndef __RTAUDIO_H
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#define __RTAUDIO_H
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#define RTAUDIO_VERSION "5.0.0"
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#define RTAUDIO_VERSION "5.1.0"
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#if defined _WIN32 || defined __CYGWIN__
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#if defined(RTAUDIO_EXPORT)
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#define RTAUDIO_DLL_PUBLIC __declspec(dllexport)
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#else
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#define RTAUDIO_DLL_PUBLIC
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#endif
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#else
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#if __GNUC__ >= 4
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#define RTAUDIO_DLL_PUBLIC __attribute__( (visibility( "default" )) )
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#else
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#define RTAUDIO_DLL_PUBLIC
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#endif
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#endif
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#include <string>
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#include <vector>
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@ -102,7 +117,7 @@ static const RtAudioFormat RTAUDIO_FLOAT64 = 0x20; // Normalized between plus/mi
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Certain audio APIs offer a number of parameters that influence the
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I/O latency of a stream. By default, RtAudio will attempt to set
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these parameters internally for robust (glitch-free) performance
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(though some APIs, like Windows Direct Sound, make this difficult).
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(though some APIs, like Windows DirectSound, make this difficult).
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By passing the RTAUDIO_MINIMIZE_LATENCY flag to the openStream()
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function, internal stream settings will be influenced in an attempt
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to minimize stream latency, though possibly at the expense of stream
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@ -179,6 +194,7 @@ static const RtAudioStreamStatus RTAUDIO_OUTPUT_UNDERFLOW = 0x2; // The output
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\param userData A pointer to optional data provided by the client
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when opening the stream (default = NULL).
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\return
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To continue normal stream operation, the RtAudioCallback function
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should return a value of zero. To stop the stream and drain the
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output buffer, the function should return a value of one. To abort
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@ -200,7 +216,7 @@ typedef int (*RtAudioCallback)( void *outputBuffer, void *inputBuffer,
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*/
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/************************************************************************/
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class RtAudioError : public std::runtime_error
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class RTAUDIO_DLL_PUBLIC RtAudioError : public std::runtime_error
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{
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public:
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//! Defined RtAudioError types.
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@ -260,7 +276,7 @@ typedef void (*RtAudioErrorCallback)( RtAudioError::Type type, const std::string
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class RtApi;
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class RtAudio
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class RTAUDIO_DLL_PUBLIC RtAudio
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{
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public:
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@ -274,8 +290,9 @@ class RtAudio
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MACOSX_CORE, /*!< Macintosh OS-X Core Audio API. */
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WINDOWS_WASAPI, /*!< The Microsoft WASAPI API. */
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WINDOWS_ASIO, /*!< The Steinberg Audio Stream I/O API. */
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WINDOWS_DS, /*!< The Microsoft Direct Sound API. */
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RTAUDIO_DUMMY /*!< A compilable but non-functional API. */
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WINDOWS_DS, /*!< The Microsoft DirectSound API. */
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RTAUDIO_DUMMY, /*!< A compilable but non-functional API. */
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NUM_APIS /*!< Number of values in this enum. */
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};
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//! The public device information structure for returning queried values.
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@ -288,7 +305,7 @@ class RtAudio
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bool isDefaultOutput; /*!< true if this is the default output device. */
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bool isDefaultInput; /*!< true if this is the default input device. */
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std::vector<unsigned int> sampleRates; /*!< Supported sample rates (queried from list of standard rates). */
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unsigned int preferredSampleRate; /*!< Preferred sample rate, eg. for WASAPI the system sample rate. */
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unsigned int preferredSampleRate; /*!< Preferred sample rate, e.g. for WASAPI the system sample rate. */
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RtAudioFormat nativeFormats; /*!< Bit mask of supported data formats. */
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// Default constructor.
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@ -333,7 +350,7 @@ class RtAudio
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Certain audio APIs offer a number of parameters that influence the
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I/O latency of a stream. By default, RtAudio will attempt to set
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these parameters internally for robust (glitch-free) performance
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(though some APIs, like Windows Direct Sound, make this difficult).
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(though some APIs, like Windows DirectSound, make this difficult).
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By passing the RTAUDIO_MINIMIZE_LATENCY flag to the openStream()
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function, internal stream settings will be influenced in an attempt
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to minimize stream latency, though possibly at the expense of stream
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@ -387,6 +404,29 @@ class RtAudio
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*/
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static void getCompiledApi( std::vector<RtAudio::Api> &apis );
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//! Return the name of a specified compiled audio API.
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/*!
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This obtains a short lower-case name used for identification purposes.
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This value is guaranteed to remain identical across library versions.
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If the API is unknown, this function will return the empty string.
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*/
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static std::string getApiName( RtAudio::Api api );
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//! Return the display name of a specified compiled audio API.
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/*!
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This obtains a long name used for display purposes.
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If the API is unknown, this function will return the empty string.
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*/
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static std::string getApiDisplayName( RtAudio::Api api );
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//! Return the compiled audio API having the given name.
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/*!
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A case insensitive comparison will check the specified name
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against the list of compiled APIs, and return the one which
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matches. On failure, the function returns UNSPECIFIED.
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*/
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static RtAudio::Api getCompiledApiByName( const std::string &name );
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//! The class constructor.
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/*!
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The constructor performs minor initialization tasks. An exception
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@ -583,6 +623,7 @@ class RtAudio
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#endif
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#include <windows.h>
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#include <process.h>
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#include <stdint.h>
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typedef uintptr_t ThreadHandle;
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typedef CRITICAL_SECTION StreamMutex;
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@ -651,7 +692,6 @@ class S24 {
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return *this;
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}
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S24( const S24& v ) { *this = v; }
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S24( const double& d ) { *this = (int) d; }
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S24( const float& f ) { *this = (int) f; }
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S24( const signed short& s ) { *this = (int) s; }
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@ -671,7 +711,7 @@ class S24 {
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#include <sstream>
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class RtApi
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class RTAUDIO_DLL_PUBLIC RtApi
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{
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public:
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@ -864,7 +904,6 @@ public:
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void startStream( void );
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void stopStream( void );
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void abortStream( void );
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long getStreamLatency( void );
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// This function is intended for internal use only. It must be
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// public because it is called by the internal callback handler,
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@ -900,7 +939,6 @@ public:
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void startStream( void );
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void stopStream( void );
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void abortStream( void );
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long getStreamLatency( void );
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// This function is intended for internal use only. It must be
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// public because it is called by the internal callback handler,
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@ -935,7 +973,6 @@ public:
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void startStream( void );
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void stopStream( void );
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void abortStream( void );
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long getStreamLatency( void );
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// This function is intended for internal use only. It must be
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// public because it is called by the internal callback handler,
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@ -973,7 +1010,6 @@ public:
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void startStream( void );
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void stopStream( void );
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void abortStream( void );
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long getStreamLatency( void );
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// This function is intended for internal use only. It must be
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// public because it is called by the internal callback handler,
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@ -1003,7 +1039,7 @@ class RtApiWasapi : public RtApi
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{
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public:
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RtApiWasapi();
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~RtApiWasapi();
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virtual ~RtApiWasapi();
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RtAudio::Api getCurrentApi( void ) { return RtAudio::WINDOWS_WASAPI; }
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unsigned int getDeviceCount( void );
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