From 308a058e5f1452ba8e59d07bbfe565d64a119395 Mon Sep 17 00:00:00 2001 From: Ted Hess Date: Wed, 29 Aug 2018 11:27:51 -0400 Subject: [PATCH] espeak: Fix build issues. Cleanup patches Signed-off-by: Ted Hess --- sound/espeak/Makefile | 10 +- ...-Fix_GCC_narrowing_conversion_errors.patch | 20 + sound/espeak/patches/101-portaudio.patch | 2093 ----------------- 3 files changed, 27 insertions(+), 2096 deletions(-) create mode 100644 sound/espeak/patches/101-Fix_GCC_narrowing_conversion_errors.patch delete mode 100644 sound/espeak/patches/101-portaudio.patch diff --git a/sound/espeak/Makefile b/sound/espeak/Makefile index 8cb3572d05..ee4aa66627 100644 --- a/sound/espeak/Makefile +++ b/sound/espeak/Makefile @@ -1,6 +1,4 @@ # -# Copyright (C) 2014 OpenWrt.org -# # This is free software, licensed under the GNU General Public License v2. # See /LICENSE for more information. # @@ -9,7 +7,7 @@ include $(TOPDIR)/rules.mk PKG_NAME:=espeak PKG_VERSION:=1.48.04 -PKG_RELEASE:=1 +PKG_RELEASE:=2 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-source.zip PKG_SOURCE_URL:=@SF/espeak @@ -45,6 +43,12 @@ MAKE_FLAGS+= \ MAKE_PATH:=./src +# Use system header for portaudio +define Build/Prepare + $(call Build/Prepare/Default) + rm $(PKG_BUILD_DIR)/src/portaudio.h +endef + define Package/espeak/install $(INSTALL_DIR) $(1)/usr/bin $(CP) $(PKG_INSTALL_DIR)/usr/bin/espeak $(1)/usr/bin/ diff --git a/sound/espeak/patches/101-Fix_GCC_narrowing_conversion_errors.patch b/sound/espeak/patches/101-Fix_GCC_narrowing_conversion_errors.patch new file mode 100644 index 0000000000..e4ec57d2f5 --- /dev/null +++ b/sound/espeak/patches/101-Fix_GCC_narrowing_conversion_errors.patch @@ -0,0 +1,20 @@ +--- a/src/tr_languages.cpp ++++ b/src/tr_languages.cpp +@@ -198,7 +198,7 @@ static const unsigned short chars_ignore + 0x200d, 1, // zero width joiner + 0, 0 }; + +-const char string_ordinal[] = {0xc2,0xba,0}; // masculine ordinal character, UTF-8 ++const unsigned char string_ordinal[] = {0xc2,0xba,0}; // masculine ordinal character, UTF-8 + + + static Translator* NewTranslator(void) +@@ -758,7 +758,7 @@ Translator *SelectTranslator(const char + tr->langopts.stress_flags = S_FINAL_SPANISH | S_FINAL_DIM_ONLY | S_FINAL_NO_2; + tr->langopts.numbers = NUM_SINGLE_STRESS | NUM_DECIMAL_COMMA | NUM_AND_UNITS | NUM_OMIT_1_HUNDRED | NUM_OMIT_1_THOUSAND | NUM_ROMAN | NUM_ROMAN_ORDINAL; + tr->langopts.numbers2 = NUM2_ORDINAL_NO_AND; +- tr->langopts.roman_suffix = string_ordinal; ++ tr->langopts.roman_suffix = (const char *)string_ordinal; + } + else + if(name2 == L_pap) diff --git a/sound/espeak/patches/101-portaudio.patch b/sound/espeak/patches/101-portaudio.patch deleted file mode 100644 index ff396b3a3d..0000000000 --- a/sound/espeak/patches/101-portaudio.patch +++ /dev/null @@ -1,2093 +0,0 @@ ---- a/src/portaudio.h -+++ /dev/null -@@ -1,466 +0,0 @@ --// NOTE: Copy this file to portaudio.h in order to compile with V18 portaudio -- -- --#ifndef PORT_AUDIO_H --#define PORT_AUDIO_H -- --#ifdef __cplusplus --extern "C" --{ --#endif /* __cplusplus */ -- --/* -- * $Id: portaudio.h,v 1.5 2002/03/26 18:04:22 philburk Exp $ -- * PortAudio Portable Real-Time Audio Library -- * PortAudio API Header File -- * Latest version available at: http://www.audiomulch.com/portaudio/ -- * -- * 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. -- * -- */ -- --typedef int PaError; --typedef enum { -- paNoError = 0, -- -- paHostError = -10000, -- paInvalidChannelCount, -- paInvalidSampleRate, -- paInvalidDeviceId, -- paInvalidFlag, -- paSampleFormatNotSupported, -- paBadIODeviceCombination, -- paInsufficientMemory, -- paBufferTooBig, -- paBufferTooSmall, -- paNullCallback, -- paBadStreamPtr, -- paTimedOut, -- paInternalError, -- paDeviceUnavailable --} PaErrorNum; -- --/* -- Pa_Initialize() is the library initialisation function - call this before -- using the library. -- --*/ -- --PaError Pa_Initialize( void ); -- --/* -- Pa_Terminate() is the library termination function - call this after -- using the library. -- --*/ -- --PaError Pa_Terminate( void ); -- --/* -- Pa_GetHostError() returns a host specific error code. -- This can be called after receiving a PortAudio error code of paHostError. -- --*/ -- --long Pa_GetHostError( void ); -- --/* -- Pa_GetErrorText() translates the supplied PortAudio error number -- into a human readable message. -- --*/ -- --const char *Pa_GetErrorText( PaError errnum ); -- --/* -- Sample formats -- -- These are formats used to pass sound data between the callback and the -- stream. Each device has a "native" format which may be used when optimum -- efficiency or control over conversion is required. -- -- Formats marked "always available" are supported (emulated) by all -- PortAudio implementations. -- -- The floating point representation (paFloat32) uses +1.0 and -1.0 as the -- maximum and minimum respectively. -- -- paUInt8 is an unsigned 8 bit format where 128 is considered "ground" -- --*/ -- --typedef unsigned long PaSampleFormat; --#define paFloat32 ((PaSampleFormat) (1<<0)) /*always available*/ --#define paInt16 ((PaSampleFormat) (1<<1)) /*always available*/ --#define paInt32 ((PaSampleFormat) (1<<2)) /*always available*/ --#define paInt24 ((PaSampleFormat) (1<<3)) --#define paPackedInt24 ((PaSampleFormat) (1<<4)) --#define paInt8 ((PaSampleFormat) (1<<5)) --#define paUInt8 ((PaSampleFormat) (1<<6)) --#define paCustomFormat ((PaSampleFormat) (1<<16)) -- --/* -- Device enumeration mechanism. -- -- Device ids range from 0 to Pa_CountDevices()-1. -- -- Devices may support input, output or both. -- --*/ -- --typedef int PaDeviceID; --#define paNoDevice -1 -- --int Pa_CountDevices( void ); -- --typedef struct --{ -- int structVersion; -- const char *name; -- int maxInputChannels; -- int maxOutputChannels; -- /* Number of discrete rates, or -1 if range supported. */ -- int numSampleRates; -- /* Array of supported sample rates, or {min,max} if range supported. */ -- const double *sampleRates; -- PaSampleFormat nativeSampleFormats; --} --PaDeviceInfo; -- --/* -- Pa_GetDefaultInputDeviceID(), Pa_GetDefaultOutputDeviceID() return the -- default device ids for input and output respectively, or paNoDevice if -- no device is available. -- The result can be passed to Pa_OpenStream(). -- -- On the PC, the user can specify a default device by -- setting an environment variable. For example, to use device #1. -- -- set PA_RECOMMENDED_OUTPUT_DEVICE=1 -- -- The user should first determine the available device ids by using -- the supplied application "pa_devs". -- --*/ -- --PaDeviceID Pa_GetDefaultInputDeviceID( void ); --PaDeviceID Pa_GetDefaultOutputDeviceID( void ); -- -- -- --/* -- Pa_GetDeviceInfo() returns a pointer to an immutable PaDeviceInfo structure -- for the device specified. -- If the device parameter is out of range the function returns NULL. -- -- PortAudio manages the memory referenced by the returned pointer, the client -- must not manipulate or free the memory. The pointer is only guaranteed to be -- valid between calls to Pa_Initialize() and Pa_Terminate(). -- --*/ -- --const PaDeviceInfo* Pa_GetDeviceInfo( PaDeviceID device ); -- --/* -- PaTimestamp is used to represent a continuous sample clock with arbitrary -- start time that can be used for syncronization. The type is used for the -- outTime argument to the PortAudioCallback and as the result of Pa_StreamTime() -- --*/ -- --typedef double PaTimestamp; -- --/* -- PortAudioCallback is implemented by PortAudio clients. -- -- inputBuffer and outputBuffer are arrays of interleaved samples, -- the format, packing and number of channels used by the buffers are -- determined by parameters to Pa_OpenStream() (see below). -- -- framesPerBuffer is the number of sample frames to be processed by the callback. -- -- outTime is the time in samples when the buffer(s) processed by -- this callback will begin being played at the audio output. -- See also Pa_StreamTime() -- -- userData is the value of a user supplied pointer passed to Pa_OpenStream() -- intended for storing synthesis data etc. -- -- return value: -- The callback can return a non-zero value to stop the stream. This may be -- useful in applications such as soundfile players where a specific duration -- of output is required. However, it is not necessary to utilise this mechanism -- as StopStream() will also terminate the stream. A callback returning a -- non-zero value must fill the entire outputBuffer. -- -- NOTE: None of the other stream functions may be called from within the -- callback function except for Pa_GetCPULoad(). -- --*/ -- --typedef int (PortAudioCallback)( -- void *inputBuffer, void *outputBuffer, -- unsigned long framesPerBuffer, -- PaTimestamp outTime, void *userData ); -- -- --/* -- Stream flags -- -- These flags may be supplied (ored together) in the streamFlags argument to -- the Pa_OpenStream() function. -- --*/ -- --#define paNoFlag (0) --#define paClipOff (1<<0) /* disable default clipping of out of range samples */ --#define paDitherOff (1<<1) /* disable default dithering */ --#define paPlatformSpecificFlags (0x00010000) --typedef unsigned long PaStreamFlags; -- --/* -- A single PortAudioStream provides multiple channels of real-time -- input and output audio streaming to a client application. -- Pointers to PortAudioStream objects are passed between PortAudio functions. --*/ -- --typedef void PortAudioStream; --#define PaStream PortAudioStream -- --/* -- Pa_OpenStream() opens a stream for either input, output or both. -- -- stream is the address of a PortAudioStream pointer which will receive -- a pointer to the newly opened stream. -- -- inputDevice is the id of the device used for input (see PaDeviceID above.) -- inputDevice may be paNoDevice to indicate that an input device is not required. -- -- numInputChannels is the number of channels of sound to be delivered to the -- callback. It can range from 1 to the value of maxInputChannels in the -- PaDeviceInfo record for the device specified by the inputDevice parameter. -- If inputDevice is paNoDevice numInputChannels is ignored. -- -- inputSampleFormat is the sample format of inputBuffer provided to the callback -- function. inputSampleFormat may be any of the formats described by the -- PaSampleFormat enumeration (see above). PortAudio guarantees support for -- the device's native formats (nativeSampleFormats in the device info record) -- and additionally 16 and 32 bit integer and 32 bit floating point formats. -- Support for other formats is implementation defined. -- -- inputDriverInfo is a pointer to an optional driver specific data structure -- containing additional information for device setup or stream processing. -- inputDriverInfo is never required for correct operation. If not used -- inputDriverInfo should be NULL. -- -- outputDevice is the id of the device used for output (see PaDeviceID above.) -- outputDevice may be paNoDevice to indicate that an output device is not required. -- -- numOutputChannels is the number of channels of sound to be supplied by the -- callback. See the definition of numInputChannels above for more details. -- -- outputSampleFormat is the sample format of the outputBuffer filled by the -- callback function. See the definition of inputSampleFormat above for more -- details. -- -- outputDriverInfo is a pointer to an optional driver specific data structure -- containing additional information for device setup or stream processing. -- outputDriverInfo is never required for correct operation. If not used -- outputDriverInfo should be NULL. -- -- sampleRate is the desired sampleRate. For full-duplex streams it is the -- sample rate for both input and output -- -- framesPerBuffer is the length in sample frames of all internal sample buffers -- used for communication with platform specific audio routines. Wherever -- possible this corresponds to the framesPerBuffer parameter passed to the -- callback function. -- -- numberOfBuffers is the number of buffers used for multibuffered communication -- with the platform specific audio routines. If you pass zero, then an optimum -- value will be chosen for you internally. This parameter is provided only -- as a guide - and does not imply that an implementation must use multibuffered -- i/o when reliable double buffering is available (such as SndPlayDoubleBuffer() -- on the Macintosh.) -- -- streamFlags may contain a combination of flags ORed together. -- These flags modify the behaviour of the streaming process. Some flags may only -- be relevant to certain buffer formats. -- -- callback is a pointer to a client supplied function that is responsible -- for processing and filling input and output buffers (see above for details.) -- -- userData is a client supplied pointer which is passed to the callback -- function. It could for example, contain a pointer to instance data necessary -- for processing the audio buffers. -- -- return value: -- Upon success Pa_OpenStream() returns PaNoError and places a pointer to a -- valid PortAudioStream in the stream argument. The stream is inactive (stopped). -- If a call to Pa_OpenStream() fails a non-zero error code is returned (see -- PaError above) and the value of stream is invalid. -- --*/ -- --PaError Pa_OpenStream( PortAudioStream** stream, -- PaDeviceID inputDevice, -- int numInputChannels, -- PaSampleFormat inputSampleFormat, -- void *inputDriverInfo, -- PaDeviceID outputDevice, -- int numOutputChannels, -- PaSampleFormat outputSampleFormat, -- void *outputDriverInfo, -- double sampleRate, -- unsigned long framesPerBuffer, -- unsigned long numberOfBuffers, -- PaStreamFlags streamFlags, -- PortAudioCallback *callback, -- void *userData ); -- -- --/* -- Pa_OpenDefaultStream() is a simplified version of Pa_OpenStream() that opens -- the default input and/or output devices. Most parameters have identical meaning -- to their Pa_OpenStream() counterparts, with the following exceptions: -- -- If either numInputChannels or numOutputChannels is 0 the respective device -- is not opened. This has the same effect as passing paNoDevice in the device -- arguments to Pa_OpenStream(). -- -- sampleFormat applies to both the input and output buffers. -- --*/ -- --PaError Pa_OpenDefaultStream( PortAudioStream** stream, -- int numInputChannels, -- int numOutputChannels, -- PaSampleFormat sampleFormat, -- double sampleRate, -- unsigned long framesPerBuffer, -- unsigned long numberOfBuffers, -- PortAudioCallback *callback, -- void *userData ); -- --/* -- Pa_CloseStream() closes an audio stream, flushing any pending buffers. -- --*/ -- --PaError Pa_CloseStream( PortAudioStream* ); -- --/* -- Pa_StartStream() and Pa_StopStream() begin and terminate audio processing. -- Pa_StopStream() waits until all pending audio buffers have been played. -- Pa_AbortStream() stops playing immediately without waiting for pending -- buffers to complete. -- --*/ -- --PaError Pa_StartStream( PortAudioStream *stream ); -- --PaError Pa_StopStream( PortAudioStream *stream ); -- --PaError Pa_AbortStream( PortAudioStream *stream ); -- --/* -- Pa_StreamActive() returns one (1) when the stream is active (ie playing -- or recording audio), zero (0) when not playing, or a negative error number -- if the stream is invalid. -- The stream is active between calls to Pa_StartStream() and Pa_StopStream(), -- but may also become inactive if the callback returns a non-zero value. -- In the latter case, the stream is considered inactive after the last -- buffer has finished playing. -- --*/ -- --PaError Pa_StreamActive( PortAudioStream *stream ); -- --/* -- Pa_StreamTime() returns the current output time in samples for the stream. -- This time may be used as a time reference (for example synchronizing audio to -- MIDI). -- --*/ -- --PaTimestamp Pa_StreamTime( PortAudioStream *stream ); -- --/* -- Pa_GetCPULoad() returns the CPU Load for the stream. -- The "CPU Load" is a fraction of total CPU time consumed by the stream's -- audio processing routines including, but not limited to the client supplied -- callback. -- A value of 0.5 would imply that PortAudio and the sound generating -- callback was consuming roughly 50% of the available CPU time. -- This function may be called from the callback function or the application. -- --*/ -- --double Pa_GetCPULoad( PortAudioStream* stream ); -- --/* -- Pa_GetMinNumBuffers() returns the minimum number of buffers required by -- the current host based on minimum latency. -- On the PC, for the DirectSound implementation, latency can be optionally set -- by user by setting an environment variable. -- For example, to set latency to 200 msec, put: -- -- set PA_MIN_LATENCY_MSEC=200 -- -- in the AUTOEXEC.BAT file and reboot. -- If the environment variable is not set, then the latency will be determined -- based on the OS. Windows NT has higher latency than Win95. -- --*/ -- --int Pa_GetMinNumBuffers( int framesPerBuffer, double sampleRate ); -- --/* -- Pa_Sleep() puts the caller to sleep for at least 'msec' milliseconds. -- You may sleep longer than the requested time so don't rely on this for -- accurate musical timing. -- -- Pa_Sleep() is provided as a convenience for authors of portable code (such as -- the tests and examples in the PortAudio distribution.) -- --*/ -- --void Pa_Sleep( long msec ); -- --/* -- Pa_GetSampleSize() returns the size in bytes of a single sample in the -- supplied PaSampleFormat, or paSampleFormatNotSupported if the format is -- no supported. -- --*/ -- --PaError Pa_GetSampleSize( PaSampleFormat format ); -- -- --#ifdef __cplusplus --} --#endif /* __cplusplus */ --#endif /* PORT_AUDIO_H */ ---- a/src/portaudio18.h -+++ /dev/null -@@ -1,466 +0,0 @@ --// NOTE: Copy this file to portaudio.h in order to compile with V18 portaudio -- -- --#ifndef PORT_AUDIO_H --#define PORT_AUDIO_H -- --#ifdef __cplusplus --extern "C" --{ --#endif /* __cplusplus */ -- --/* -- * $Id: portaudio.h,v 1.5 2002/03/26 18:04:22 philburk Exp $ -- * PortAudio Portable Real-Time Audio Library -- * PortAudio API Header File -- * Latest version available at: http://www.audiomulch.com/portaudio/ -- * -- * 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. -- * -- */ -- --typedef int PaError; --typedef enum { -- paNoError = 0, -- -- paHostError = -10000, -- paInvalidChannelCount, -- paInvalidSampleRate, -- paInvalidDeviceId, -- paInvalidFlag, -- paSampleFormatNotSupported, -- paBadIODeviceCombination, -- paInsufficientMemory, -- paBufferTooBig, -- paBufferTooSmall, -- paNullCallback, -- paBadStreamPtr, -- paTimedOut, -- paInternalError, -- paDeviceUnavailable --} PaErrorNum; -- --/* -- Pa_Initialize() is the library initialisation function - call this before -- using the library. -- --*/ -- --PaError Pa_Initialize( void ); -- --/* -- Pa_Terminate() is the library termination function - call this after -- using the library. -- --*/ -- --PaError Pa_Terminate( void ); -- --/* -- Pa_GetHostError() returns a host specific error code. -- This can be called after receiving a PortAudio error code of paHostError. -- --*/ -- --long Pa_GetHostError( void ); -- --/* -- Pa_GetErrorText() translates the supplied PortAudio error number -- into a human readable message. -- --*/ -- --const char *Pa_GetErrorText( PaError errnum ); -- --/* -- Sample formats -- -- These are formats used to pass sound data between the callback and the -- stream. Each device has a "native" format which may be used when optimum -- efficiency or control over conversion is required. -- -- Formats marked "always available" are supported (emulated) by all -- PortAudio implementations. -- -- The floating point representation (paFloat32) uses +1.0 and -1.0 as the -- maximum and minimum respectively. -- -- paUInt8 is an unsigned 8 bit format where 128 is considered "ground" -- --*/ -- --typedef unsigned long PaSampleFormat; --#define paFloat32 ((PaSampleFormat) (1<<0)) /*always available*/ --#define paInt16 ((PaSampleFormat) (1<<1)) /*always available*/ --#define paInt32 ((PaSampleFormat) (1<<2)) /*always available*/ --#define paInt24 ((PaSampleFormat) (1<<3)) --#define paPackedInt24 ((PaSampleFormat) (1<<4)) --#define paInt8 ((PaSampleFormat) (1<<5)) --#define paUInt8 ((PaSampleFormat) (1<<6)) --#define paCustomFormat ((PaSampleFormat) (1<<16)) -- --/* -- Device enumeration mechanism. -- -- Device ids range from 0 to Pa_CountDevices()-1. -- -- Devices may support input, output or both. -- --*/ -- --typedef int PaDeviceID; --#define paNoDevice -1 -- --int Pa_CountDevices( void ); -- --typedef struct --{ -- int structVersion; -- const char *name; -- int maxInputChannels; -- int maxOutputChannels; -- /* Number of discrete rates, or -1 if range supported. */ -- int numSampleRates; -- /* Array of supported sample rates, or {min,max} if range supported. */ -- const double *sampleRates; -- PaSampleFormat nativeSampleFormats; --} --PaDeviceInfo; -- --/* -- Pa_GetDefaultInputDeviceID(), Pa_GetDefaultOutputDeviceID() return the -- default device ids for input and output respectively, or paNoDevice if -- no device is available. -- The result can be passed to Pa_OpenStream(). -- -- On the PC, the user can specify a default device by -- setting an environment variable. For example, to use device #1. -- -- set PA_RECOMMENDED_OUTPUT_DEVICE=1 -- -- The user should first determine the available device ids by using -- the supplied application "pa_devs". -- --*/ -- --PaDeviceID Pa_GetDefaultInputDeviceID( void ); --PaDeviceID Pa_GetDefaultOutputDeviceID( void ); -- -- -- --/* -- Pa_GetDeviceInfo() returns a pointer to an immutable PaDeviceInfo structure -- for the device specified. -- If the device parameter is out of range the function returns NULL. -- -- PortAudio manages the memory referenced by the returned pointer, the client -- must not manipulate or free the memory. The pointer is only guaranteed to be -- valid between calls to Pa_Initialize() and Pa_Terminate(). -- --*/ -- --const PaDeviceInfo* Pa_GetDeviceInfo( PaDeviceID device ); -- --/* -- PaTimestamp is used to represent a continuous sample clock with arbitrary -- start time that can be used for syncronization. The type is used for the -- outTime argument to the PortAudioCallback and as the result of Pa_StreamTime() -- --*/ -- --typedef double PaTimestamp; -- --/* -- PortAudioCallback is implemented by PortAudio clients. -- -- inputBuffer and outputBuffer are arrays of interleaved samples, -- the format, packing and number of channels used by the buffers are -- determined by parameters to Pa_OpenStream() (see below). -- -- framesPerBuffer is the number of sample frames to be processed by the callback. -- -- outTime is the time in samples when the buffer(s) processed by -- this callback will begin being played at the audio output. -- See also Pa_StreamTime() -- -- userData is the value of a user supplied pointer passed to Pa_OpenStream() -- intended for storing synthesis data etc. -- -- return value: -- The callback can return a non-zero value to stop the stream. This may be -- useful in applications such as soundfile players where a specific duration -- of output is required. However, it is not necessary to utilise this mechanism -- as StopStream() will also terminate the stream. A callback returning a -- non-zero value must fill the entire outputBuffer. -- -- NOTE: None of the other stream functions may be called from within the -- callback function except for Pa_GetCPULoad(). -- --*/ -- --typedef int (PortAudioCallback)( -- void *inputBuffer, void *outputBuffer, -- unsigned long framesPerBuffer, -- PaTimestamp outTime, void *userData ); -- -- --/* -- Stream flags -- -- These flags may be supplied (ored together) in the streamFlags argument to -- the Pa_OpenStream() function. -- --*/ -- --#define paNoFlag (0) --#define paClipOff (1<<0) /* disable default clipping of out of range samples */ --#define paDitherOff (1<<1) /* disable default dithering */ --#define paPlatformSpecificFlags (0x00010000) --typedef unsigned long PaStreamFlags; -- --/* -- A single PortAudioStream provides multiple channels of real-time -- input and output audio streaming to a client application. -- Pointers to PortAudioStream objects are passed between PortAudio functions. --*/ -- --typedef void PortAudioStream; --#define PaStream PortAudioStream -- --/* -- Pa_OpenStream() opens a stream for either input, output or both. -- -- stream is the address of a PortAudioStream pointer which will receive -- a pointer to the newly opened stream. -- -- inputDevice is the id of the device used for input (see PaDeviceID above.) -- inputDevice may be paNoDevice to indicate that an input device is not required. -- -- numInputChannels is the number of channels of sound to be delivered to the -- callback. It can range from 1 to the value of maxInputChannels in the -- PaDeviceInfo record for the device specified by the inputDevice parameter. -- If inputDevice is paNoDevice numInputChannels is ignored. -- -- inputSampleFormat is the sample format of inputBuffer provided to the callback -- function. inputSampleFormat may be any of the formats described by the -- PaSampleFormat enumeration (see above). PortAudio guarantees support for -- the device's native formats (nativeSampleFormats in the device info record) -- and additionally 16 and 32 bit integer and 32 bit floating point formats. -- Support for other formats is implementation defined. -- -- inputDriverInfo is a pointer to an optional driver specific data structure -- containing additional information for device setup or stream processing. -- inputDriverInfo is never required for correct operation. If not used -- inputDriverInfo should be NULL. -- -- outputDevice is the id of the device used for output (see PaDeviceID above.) -- outputDevice may be paNoDevice to indicate that an output device is not required. -- -- numOutputChannels is the number of channels of sound to be supplied by the -- callback. See the definition of numInputChannels above for more details. -- -- outputSampleFormat is the sample format of the outputBuffer filled by the -- callback function. See the definition of inputSampleFormat above for more -- details. -- -- outputDriverInfo is a pointer to an optional driver specific data structure -- containing additional information for device setup or stream processing. -- outputDriverInfo is never required for correct operation. If not used -- outputDriverInfo should be NULL. -- -- sampleRate is the desired sampleRate. For full-duplex streams it is the -- sample rate for both input and output -- -- framesPerBuffer is the length in sample frames of all internal sample buffers -- used for communication with platform specific audio routines. Wherever -- possible this corresponds to the framesPerBuffer parameter passed to the -- callback function. -- -- numberOfBuffers is the number of buffers used for multibuffered communication -- with the platform specific audio routines. If you pass zero, then an optimum -- value will be chosen for you internally. This parameter is provided only -- as a guide - and does not imply that an implementation must use multibuffered -- i/o when reliable double buffering is available (such as SndPlayDoubleBuffer() -- on the Macintosh.) -- -- streamFlags may contain a combination of flags ORed together. -- These flags modify the behaviour of the streaming process. Some flags may only -- be relevant to certain buffer formats. -- -- callback is a pointer to a client supplied function that is responsible -- for processing and filling input and output buffers (see above for details.) -- -- userData is a client supplied pointer which is passed to the callback -- function. It could for example, contain a pointer to instance data necessary -- for processing the audio buffers. -- -- return value: -- Upon success Pa_OpenStream() returns PaNoError and places a pointer to a -- valid PortAudioStream in the stream argument. The stream is inactive (stopped). -- If a call to Pa_OpenStream() fails a non-zero error code is returned (see -- PaError above) and the value of stream is invalid. -- --*/ -- --PaError Pa_OpenStream( PortAudioStream** stream, -- PaDeviceID inputDevice, -- int numInputChannels, -- PaSampleFormat inputSampleFormat, -- void *inputDriverInfo, -- PaDeviceID outputDevice, -- int numOutputChannels, -- PaSampleFormat outputSampleFormat, -- void *outputDriverInfo, -- double sampleRate, -- unsigned long framesPerBuffer, -- unsigned long numberOfBuffers, -- PaStreamFlags streamFlags, -- PortAudioCallback *callback, -- void *userData ); -- -- --/* -- Pa_OpenDefaultStream() is a simplified version of Pa_OpenStream() that opens -- the default input and/or output devices. Most parameters have identical meaning -- to their Pa_OpenStream() counterparts, with the following exceptions: -- -- If either numInputChannels or numOutputChannels is 0 the respective device -- is not opened. This has the same effect as passing paNoDevice in the device -- arguments to Pa_OpenStream(). -- -- sampleFormat applies to both the input and output buffers. -- --*/ -- --PaError Pa_OpenDefaultStream( PortAudioStream** stream, -- int numInputChannels, -- int numOutputChannels, -- PaSampleFormat sampleFormat, -- double sampleRate, -- unsigned long framesPerBuffer, -- unsigned long numberOfBuffers, -- PortAudioCallback *callback, -- void *userData ); -- --/* -- Pa_CloseStream() closes an audio stream, flushing any pending buffers. -- --*/ -- --PaError Pa_CloseStream( PortAudioStream* ); -- --/* -- Pa_StartStream() and Pa_StopStream() begin and terminate audio processing. -- Pa_StopStream() waits until all pending audio buffers have been played. -- Pa_AbortStream() stops playing immediately without waiting for pending -- buffers to complete. -- --*/ -- --PaError Pa_StartStream( PortAudioStream *stream ); -- --PaError Pa_StopStream( PortAudioStream *stream ); -- --PaError Pa_AbortStream( PortAudioStream *stream ); -- --/* -- Pa_StreamActive() returns one (1) when the stream is active (ie playing -- or recording audio), zero (0) when not playing, or a negative error number -- if the stream is invalid. -- The stream is active between calls to Pa_StartStream() and Pa_StopStream(), -- but may also become inactive if the callback returns a non-zero value. -- In the latter case, the stream is considered inactive after the last -- buffer has finished playing. -- --*/ -- --PaError Pa_StreamActive( PortAudioStream *stream ); -- --/* -- Pa_StreamTime() returns the current output time in samples for the stream. -- This time may be used as a time reference (for example synchronizing audio to -- MIDI). -- --*/ -- --PaTimestamp Pa_StreamTime( PortAudioStream *stream ); -- --/* -- Pa_GetCPULoad() returns the CPU Load for the stream. -- The "CPU Load" is a fraction of total CPU time consumed by the stream's -- audio processing routines including, but not limited to the client supplied -- callback. -- A value of 0.5 would imply that PortAudio and the sound generating -- callback was consuming roughly 50% of the available CPU time. -- This function may be called from the callback function or the application. -- --*/ -- --double Pa_GetCPULoad( PortAudioStream* stream ); -- --/* -- Pa_GetMinNumBuffers() returns the minimum number of buffers required by -- the current host based on minimum latency. -- On the PC, for the DirectSound implementation, latency can be optionally set -- by user by setting an environment variable. -- For example, to set latency to 200 msec, put: -- -- set PA_MIN_LATENCY_MSEC=200 -- -- in the AUTOEXEC.BAT file and reboot. -- If the environment variable is not set, then the latency will be determined -- based on the OS. Windows NT has higher latency than Win95. -- --*/ -- --int Pa_GetMinNumBuffers( int framesPerBuffer, double sampleRate ); -- --/* -- Pa_Sleep() puts the caller to sleep for at least 'msec' milliseconds. -- You may sleep longer than the requested time so don't rely on this for -- accurate musical timing. -- -- Pa_Sleep() is provided as a convenience for authors of portable code (such as -- the tests and examples in the PortAudio distribution.) -- --*/ -- --void Pa_Sleep( long msec ); -- --/* -- Pa_GetSampleSize() returns the size in bytes of a single sample in the -- supplied PaSampleFormat, or paSampleFormatNotSupported if the format is -- no supported. -- --*/ -- --PaError Pa_GetSampleSize( PaSampleFormat format ); -- -- --#ifdef __cplusplus --} --#endif /* __cplusplus */ --#endif /* PORT_AUDIO_H */ ---- a/src/portaudio19.h -+++ /dev/null -@@ -1,1127 +0,0 @@ --// NOTE: Copy this file to portaudio.h in order to compile with V19 portaudio -- --#ifndef PORTAUDIO_H --#define PORTAUDIO_H --/* -- * $Id: portaudio.h 1061 2006-06-19 22:46:41Z lschwardt $ -- * PortAudio Portable Real-Time Audio Library -- * PortAudio API Header File -- * Latest version available at: http://www.portaudio.com/ -- * -- * Copyright (c) 1999-2002 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. -- */ -- --/** @file -- @brief The PortAudio API. --*/ -- -- --#ifdef __cplusplus --extern "C" --{ --#endif /* __cplusplus */ -- -- --/** Retrieve the release number of the currently running PortAudio build, -- eg 1900. --*/ --int Pa_GetVersion( void ); -- -- --/** Retrieve a textual description of the current PortAudio build, -- eg "PortAudio V19-devel 13 October 2002". --*/ --const char* Pa_GetVersionText( void ); -- -- --/** Error codes returned by PortAudio functions. -- Note that with the exception of paNoError, all PaErrorCodes are negative. --*/ -- --typedef int PaError; --typedef enum PaErrorCode --{ -- paNoError = 0, -- -- paNotInitialized = -10000, -- paUnanticipatedHostError, -- paInvalidChannelCount, -- paInvalidSampleRate, -- paInvalidDevice, -- paInvalidFlag, -- paSampleFormatNotSupported, -- paBadIODeviceCombination, -- paInsufficientMemory, -- paBufferTooBig, -- paBufferTooSmall, -- paNullCallback, -- paBadStreamPtr, -- paTimedOut, -- paInternalError, -- paDeviceUnavailable, -- paIncompatibleHostApiSpecificStreamInfo, -- paStreamIsStopped, -- paStreamIsNotStopped, -- paInputOverflowed, -- paOutputUnderflowed, -- paHostApiNotFound, -- paInvalidHostApi, -- paCanNotReadFromACallbackStream, /**< @todo review error code name */ -- paCanNotWriteToACallbackStream, /**< @todo review error code name */ -- paCanNotReadFromAnOutputOnlyStream, /**< @todo review error code name */ -- paCanNotWriteToAnInputOnlyStream, /**< @todo review error code name */ -- paIncompatibleStreamHostApi, -- paBadBufferPtr --} PaErrorCode; -- -- --/** Translate the supplied PortAudio error code into a human readable -- message. --*/ --const char *Pa_GetErrorText( PaError errorCode ); -- -- --/** Library initialization function - call this before using PortAudio. -- This function initialises internal data structures and prepares underlying -- host APIs for use. This function MUST be called before using any other -- PortAudio API functions. -- -- If Pa_Initialize() is called multiple times, each successful -- call must be matched with a corresponding call to Pa_Terminate(). -- Pairs of calls to Pa_Initialize()/Pa_Terminate() may overlap, and are not -- required to be fully nested. -- -- Note that if Pa_Initialize() returns an error code, Pa_Terminate() should -- NOT be called. -- -- @return paNoError if successful, otherwise an error code indicating the cause -- of failure. -- -- @see Pa_Terminate --*/ --PaError Pa_Initialize( void ); -- -- --/** Library termination function - call this when finished using PortAudio. -- This function deallocates all resources allocated by PortAudio since it was -- initializied by a call to Pa_Initialize(). In cases where Pa_Initialise() has -- been called multiple times, each call must be matched with a corresponding call -- to Pa_Terminate(). The final matching call to Pa_Terminate() will automatically -- close any PortAudio streams that are still open. -- -- Pa_Terminate() MUST be called before exiting a program which uses PortAudio. -- Failure to do so may result in serious resource leaks, such as audio devices -- not being available until the next reboot. -- -- @return paNoError if successful, otherwise an error code indicating the cause -- of failure. -- -- @see Pa_Initialize --*/ --PaError Pa_Terminate( void ); -- -- -- --/** The type used to refer to audio devices. Values of this type usually -- range from 0 to (Pa_DeviceCount-1), and may also take on the PaNoDevice -- and paUseHostApiSpecificDeviceSpecification values. -- -- @see Pa_DeviceCount, paNoDevice, paUseHostApiSpecificDeviceSpecification --*/ --typedef int PaDeviceIndex; -- -- --/** A special PaDeviceIndex value indicating that no device is available, -- or should be used. -- -- @see PaDeviceIndex --*/ --#define paNoDevice ((PaDeviceIndex)-1) -- -- --/** A special PaDeviceIndex value indicating that the device(s) to be used -- are specified in the host api specific stream info structure. -- -- @see PaDeviceIndex --*/ --#define paUseHostApiSpecificDeviceSpecification ((PaDeviceIndex)-2) -- -- --/* Host API enumeration mechanism */ -- --/** The type used to enumerate to host APIs at runtime. Values of this type -- range from 0 to (Pa_GetHostApiCount()-1). -- -- @see Pa_GetHostApiCount --*/ --typedef int PaHostApiIndex; -- -- --/** Retrieve the number of available host APIs. Even if a host API is -- available it may have no devices available. -- -- @return A non-negative value indicating the number of available host APIs -- or, a PaErrorCode (which are always negative) if PortAudio is not initialized -- or an error is encountered. -- -- @see PaHostApiIndex --*/ --PaHostApiIndex Pa_GetHostApiCount( void ); -- -- --/** Retrieve the index of the default host API. The default host API will be -- the lowest common denominator host API on the current platform and is -- unlikely to provide the best performance. -- -- @return A non-negative value ranging from 0 to (Pa_GetHostApiCount()-1) -- indicating the default host API index or, a PaErrorCode (which are always -- negative) if PortAudio is not initialized or an error is encountered. --*/ --PaHostApiIndex Pa_GetDefaultHostApi( void ); -- -- --/** Unchanging unique identifiers for each supported host API. This type -- is used in the PaHostApiInfo structure. The values are guaranteed to be -- unique and to never change, thus allowing code to be written that -- conditionally uses host API specific extensions. -- -- New type ids will be allocated when support for a host API reaches -- "public alpha" status, prior to that developers should use the -- paInDevelopment type id. -- -- @see PaHostApiInfo --*/ --typedef enum PaHostApiTypeId --{ -- paInDevelopment=0, /* use while developing support for a new host API */ -- paDirectSound=1, -- paMME=2, -- paASIO=3, -- paSoundManager=4, -- paCoreAudio=5, -- paOSS=7, -- paALSA=8, -- paAL=9, -- paBeOS=10, -- paWDMKS=11, -- paJACK=12, -- paWASAPI=13, -- paAudioScienceHPI=14 --} PaHostApiTypeId; -- -- --/** A structure containing information about a particular host API. */ -- --typedef struct PaHostApiInfo --{ -- /** this is struct version 1 */ -- int structVersion; -- /** The well known unique identifier of this host API @see PaHostApiTypeId */ -- PaHostApiTypeId type; -- /** A textual description of the host API for display on user interfaces. */ -- const char *name; -- -- /** The number of devices belonging to this host API. This field may be -- used in conjunction with Pa_HostApiDeviceIndexToDeviceIndex() to enumerate -- all devices for this host API. -- @see Pa_HostApiDeviceIndexToDeviceIndex -- */ -- int deviceCount; -- -- /** The default input device for this host API. The value will be a -- device index ranging from 0 to (Pa_GetDeviceCount()-1), or paNoDevice -- if no default input device is available. -- */ -- PaDeviceIndex defaultInputDevice; -- -- /** The default output device for this host API. The value will be a -- device index ranging from 0 to (Pa_GetDeviceCount()-1), or paNoDevice -- if no default output device is available. -- */ -- PaDeviceIndex defaultOutputDevice; -- --} PaHostApiInfo; -- -- --/** Retrieve a pointer to a structure containing information about a specific -- host Api. -- -- @param hostApi A valid host API index ranging from 0 to (Pa_GetHostApiCount()-1) -- -- @return A pointer to an immutable PaHostApiInfo structure describing -- a specific host API. If the hostApi parameter is out of range or an error -- is encountered, the function returns NULL. -- -- The returned structure is owned by the PortAudio implementation and must not -- be manipulated or freed. The pointer is only guaranteed to be valid between -- calls to Pa_Initialize() and Pa_Terminate(). --*/ --const PaHostApiInfo * Pa_GetHostApiInfo( PaHostApiIndex hostApi ); -- -- --/** Convert a static host API unique identifier, into a runtime -- host API index. -- -- @param type A unique host API identifier belonging to the PaHostApiTypeId -- enumeration. -- -- @return A valid PaHostApiIndex ranging from 0 to (Pa_GetHostApiCount()-1) or, -- a PaErrorCode (which are always negative) if PortAudio is not initialized -- or an error is encountered. -- -- The paHostApiNotFound error code indicates that the host API specified by the -- type parameter is not available. -- -- @see PaHostApiTypeId --*/ --PaHostApiIndex Pa_HostApiTypeIdToHostApiIndex( PaHostApiTypeId type ); -- -- --/** Convert a host-API-specific device index to standard PortAudio device index. -- This function may be used in conjunction with the deviceCount field of -- PaHostApiInfo to enumerate all devices for the specified host API. -- -- @param hostApi A valid host API index ranging from 0 to (Pa_GetHostApiCount()-1) -- -- @param hostApiDeviceIndex A valid per-host device index in the range -- 0 to (Pa_GetHostApiInfo(hostApi)->deviceCount-1) -- -- @return A non-negative PaDeviceIndex ranging from 0 to (Pa_GetDeviceCount()-1) -- or, a PaErrorCode (which are always negative) if PortAudio is not initialized -- or an error is encountered. -- -- A paInvalidHostApi error code indicates that the host API index specified by -- the hostApi parameter is out of range. -- -- A paInvalidDevice error code indicates that the hostApiDeviceIndex parameter -- is out of range. -- -- @see PaHostApiInfo --*/ --PaDeviceIndex Pa_HostApiDeviceIndexToDeviceIndex( PaHostApiIndex hostApi, -- int hostApiDeviceIndex ); -- -- -- --/** Structure used to return information about a host error condition. --*/ --typedef struct PaHostErrorInfo{ -- PaHostApiTypeId hostApiType; /**< the host API which returned the error code */ -- long errorCode; /**< the error code returned */ -- const char *errorText; /**< a textual description of the error if available, otherwise a zero-length string */ --}PaHostErrorInfo; -- -- --/** Return information about the last host error encountered. The error -- information returned by Pa_GetLastHostErrorInfo() will never be modified -- asyncronously by errors occurring in other PortAudio owned threads -- (such as the thread that manages the stream callback.) -- -- This function is provided as a last resort, primarily to enhance debugging -- by providing clients with access to all available error information. -- -- @return A pointer to an immutable structure constaining information about -- the host error. The values in this structure will only be valid if a -- PortAudio function has previously returned the paUnanticipatedHostError -- error code. --*/ --const PaHostErrorInfo* Pa_GetLastHostErrorInfo( void ); -- -- -- --/* Device enumeration and capabilities */ -- --/** Retrieve the number of available devices. The number of available devices -- may be zero. -- -- @return A non-negative value indicating the number of available devices or, -- a PaErrorCode (which are always negative) if PortAudio is not initialized -- or an error is encountered. --*/ --PaDeviceIndex Pa_GetDeviceCount( void ); -- -- --/** Retrieve the index of the default input device. The result can be -- used in the inputDevice parameter to Pa_OpenStream(). -- -- @return The default input device index for the default host API, or paNoDevice -- if no default input device is available or an error was encountered. --*/ --PaDeviceIndex Pa_GetDefaultInputDevice( void ); -- -- --/** Retrieve the index of the default output device. The result can be -- used in the outputDevice parameter to Pa_OpenStream(). -- -- @return The default output device index for the defualt host API, or paNoDevice -- if no default output device is available or an error was encountered. -- -- @note -- On the PC, the user can specify a default device by -- setting an environment variable. For example, to use device #1. --
-- set PA_RECOMMENDED_OUTPUT_DEVICE=1
--
-- The user should first determine the available device ids by using -- the supplied application "pa_devs". --*/ --PaDeviceIndex Pa_GetDefaultOutputDevice( void ); -- -- --/** The type used to represent monotonic time in seconds that can be used -- for syncronisation. The type is used for the outTime argument to the -- PaStreamCallback and as the result of Pa_GetStreamTime(). -- -- @see PaStreamCallback, Pa_GetStreamTime --*/ --typedef double PaTime; -- -- --/** A type used to specify one or more sample formats. Each value indicates -- a possible format for sound data passed to and from the stream callback, -- Pa_ReadStream and Pa_WriteStream. -- -- The standard formats paFloat32, paInt16, paInt32, paInt24, paInt8 -- and aUInt8 are usually implemented by all implementations. -- -- The floating point representation (paFloat32) uses +1.0 and -1.0 as the -- maximum and minimum respectively. -- -- paUInt8 is an unsigned 8 bit format where 128 is considered "ground" -- -- The paNonInterleaved flag indicates that a multichannel buffer is passed -- as a set of non-interleaved pointers. -- -- @see Pa_OpenStream, Pa_OpenDefaultStream, PaDeviceInfo -- @see paFloat32, paInt16, paInt32, paInt24, paInt8 -- @see paUInt8, paCustomFormat, paNonInterleaved --*/ --typedef unsigned long PaSampleFormat; -- -- --#define paFloat32 ((PaSampleFormat) 0x00000001) /**< @see PaSampleFormat */ --#define paInt32 ((PaSampleFormat) 0x00000002) /**< @see PaSampleFormat */ --#define paInt24 ((PaSampleFormat) 0x00000004) /**< Packed 24 bit format. @see PaSampleFormat */ --#define paInt16 ((PaSampleFormat) 0x00000008) /**< @see PaSampleFormat */ --#define paInt8 ((PaSampleFormat) 0x00000010) /**< @see PaSampleFormat */ --#define paUInt8 ((PaSampleFormat) 0x00000020) /**< @see PaSampleFormat */ --#define paCustomFormat ((PaSampleFormat) 0x00010000)/**< @see PaSampleFormat */ -- --#define paNonInterleaved ((PaSampleFormat) 0x80000000) -- --/** A structure providing information and capabilities of PortAudio devices. -- Devices may support input, output or both input and output. --*/ --typedef struct PaDeviceInfo --{ -- int structVersion; /* this is struct version 2 */ -- const char *name; -- PaHostApiIndex hostApi; /* note this is a host API index, not a type id*/ -- -- int maxInputChannels; -- int maxOutputChannels; -- -- /* Default latency values for interactive performance. */ -- PaTime defaultLowInputLatency; -- PaTime defaultLowOutputLatency; -- /* Default latency values for robust non-interactive applications (eg. playing sound files). */ -- PaTime defaultHighInputLatency; -- PaTime defaultHighOutputLatency; -- -- double defaultSampleRate; --} PaDeviceInfo; -- -- --/** Retrieve a pointer to a PaDeviceInfo structure containing information -- about the specified device. -- @return A pointer to an immutable PaDeviceInfo structure. If the device -- parameter is out of range the function returns NULL. -- -- @param device A valid device index in the range 0 to (Pa_GetDeviceCount()-1) -- -- @note PortAudio manages the memory referenced by the returned pointer, -- the client must not manipulate or free the memory. The pointer is only -- guaranteed to be valid between calls to Pa_Initialize() and Pa_Terminate(). -- -- @see PaDeviceInfo, PaDeviceIndex --*/ --const PaDeviceInfo* Pa_GetDeviceInfo( PaDeviceIndex device ); -- -- --/** Parameters for one direction (input or output) of a stream. --*/ --typedef struct PaStreamParameters --{ -- /** A valid device index in the range 0 to (Pa_GetDeviceCount()-1) -- specifying the device to be used or the special constant -- paUseHostApiSpecificDeviceSpecification which indicates that the actual -- device(s) to use are specified in hostApiSpecificStreamInfo. -- This field must not be set to paNoDevice. -- */ -- PaDeviceIndex device; -- -- /** The number of channels of sound to be delivered to the -- stream callback or accessed by Pa_ReadStream() or Pa_WriteStream(). -- It can range from 1 to the value of maxInputChannels in the -- PaDeviceInfo record for the device specified by the device parameter. -- */ -- int channelCount; -- -- /** The sample format of the buffer provided to the stream callback, -- a_ReadStream() or Pa_WriteStream(). It may be any of the formats described -- by the PaSampleFormat enumeration. -- */ -- PaSampleFormat sampleFormat; -- -- /** The desired latency in seconds. Where practical, implementations should -- configure their latency based on these parameters, otherwise they may -- choose the closest viable latency instead. Unless the suggested latency -- is greater than the absolute upper limit for the device implementations -- should round the suggestedLatency up to the next practial value - ie to -- provide an equal or higher latency than suggestedLatency wherever possibe. -- Actual latency values for an open stream may be retrieved using the -- inputLatency and outputLatency fields of the PaStreamInfo structure -- returned by Pa_GetStreamInfo(). -- @see default*Latency in PaDeviceInfo, *Latency in PaStreamInfo -- */ -- PaTime suggestedLatency; -- -- /** An optional pointer to a host api specific data structure -- containing additional information for device setup and/or stream processing. -- hostApiSpecificStreamInfo is never required for correct operation, -- if not used it should be set to NULL. -- */ -- void *hostApiSpecificStreamInfo; -- --} PaStreamParameters; -- -- --/** Return code for Pa_IsFormatSupported indicating success. */ --#define paFormatIsSupported (0) -- --/** Determine whether it would be possible to open a stream with the specified -- parameters. -- -- @param inputParameters A structure that describes the input parameters used to -- open a stream. The suggestedLatency field is ignored. See PaStreamParameters -- for a description of these parameters. inputParameters must be NULL for -- output-only streams. -- -- @param outputParameters A structure that describes the output parameters used -- to open a stream. The suggestedLatency field is ignored. See PaStreamParameters -- for a description of these parameters. outputParameters must be NULL for -- input-only streams. -- -- @param sampleRate The required sampleRate. For full-duplex streams it is the -- sample rate for both input and output -- -- @return Returns 0 if the format is supported, and an error code indicating why -- the format is not supported otherwise. The constant paFormatIsSupported is -- provided to compare with the return value for success. -- -- @see paFormatIsSupported, PaStreamParameters --*/ --PaError Pa_IsFormatSupported( const PaStreamParameters *inputParameters, -- const PaStreamParameters *outputParameters, -- double sampleRate ); -- -- -- --/* Streaming types and functions */ -- -- --/** -- A single PaStream can provide multiple channels of real-time -- streaming audio input and output to a client application. A stream -- provides access to audio hardware represented by one or more -- PaDevices. Depending on the underlying Host API, it may be possible -- to open multiple streams using the same device, however this behavior -- is implementation defined. Portable applications should assume that -- a PaDevice may be simultaneously used by at most one PaStream. -- -- Pointers to PaStream objects are passed between PortAudio functions that -- operate on streams. -- -- @see Pa_OpenStream, Pa_OpenDefaultStream, Pa_OpenDefaultStream, Pa_CloseStream, -- Pa_StartStream, Pa_StopStream, Pa_AbortStream, Pa_IsStreamActive, -- Pa_GetStreamTime, Pa_GetStreamCpuLoad -- --*/ --typedef void PaStream; -- -- --/** Can be passed as the framesPerBuffer parameter to Pa_OpenStream() -- or Pa_OpenDefaultStream() to indicate that the stream callback will -- accept buffers of any size. --*/ --#define paFramesPerBufferUnspecified (0) -- -- --/** Flags used to control the behavior of a stream. They are passed as -- parameters to Pa_OpenStream or Pa_OpenDefaultStream. Multiple flags may be -- ORed together. -- -- @see Pa_OpenStream, Pa_OpenDefaultStream -- @see paNoFlag, paClipOff, paDitherOff, paNeverDropInput, -- paPrimeOutputBuffersUsingStreamCallback, paPlatformSpecificFlags --*/ --typedef unsigned long PaStreamFlags; -- --/** @see PaStreamFlags */ --#define paNoFlag ((PaStreamFlags) 0) -- --/** Disable default clipping of out of range samples. -- @see PaStreamFlags --*/ --#define paClipOff ((PaStreamFlags) 0x00000001) -- --/** Disable default dithering. -- @see PaStreamFlags --*/ --#define paDitherOff ((PaStreamFlags) 0x00000002) -- --/** Flag requests that where possible a full duplex stream will not discard -- overflowed input samples without calling the stream callback. This flag is -- only valid for full duplex callback streams and only when used in combination -- with the paFramesPerBufferUnspecified (0) framesPerBuffer parameter. Using -- this flag incorrectly results in a paInvalidFlag error being returned from -- Pa_OpenStream and Pa_OpenDefaultStream. -- -- @see PaStreamFlags, paFramesPerBufferUnspecified --*/ --#define paNeverDropInput ((PaStreamFlags) 0x00000004) -- --/** Call the stream callback to fill initial output buffers, rather than the -- default behavior of priming the buffers with zeros (silence). This flag has -- no effect for input-only and blocking read/write streams. -- -- @see PaStreamFlags --*/ --#define paPrimeOutputBuffersUsingStreamCallback ((PaStreamFlags) 0x00000008) -- --/** A mask specifying the platform specific bits. -- @see PaStreamFlags --*/ --#define paPlatformSpecificFlags ((PaStreamFlags)0xFFFF0000) -- --/** -- Timing information for the buffers passed to the stream callback. --*/ --typedef struct PaStreamCallbackTimeInfo{ -- PaTime inputBufferAdcTime; -- PaTime currentTime; -- PaTime outputBufferDacTime; --} PaStreamCallbackTimeInfo; -- -- --/** -- Flag bit constants for the statusFlags to PaStreamCallback. -- -- @see paInputUnderflow, paInputOverflow, paOutputUnderflow, paOutputOverflow, -- paPrimingOutput --*/ --typedef unsigned long PaStreamCallbackFlags; -- --/** In a stream opened with paFramesPerBufferUnspecified, indicates that -- input data is all silence (zeros) because no real data is available. In a -- stream opened without paFramesPerBufferUnspecified, it indicates that one or -- more zero samples have been inserted into the input buffer to compensate -- for an input underflow. -- @see PaStreamCallbackFlags --*/ --#define paInputUnderflow ((PaStreamCallbackFlags) 0x00000001) -- --/** In a stream opened with paFramesPerBufferUnspecified, indicates that data -- prior to the first sample of the input buffer was discarded due to an -- overflow, possibly because the stream callback is using too much CPU time. -- Otherwise indicates that data prior to one or more samples in the -- input buffer was discarded. -- @see PaStreamCallbackFlags --*/ --#define paInputOverflow ((PaStreamCallbackFlags) 0x00000002) -- --/** Indicates that output data (or a gap) was inserted, possibly because the -- stream callback is using too much CPU time. -- @see PaStreamCallbackFlags --*/ --#define paOutputUnderflow ((PaStreamCallbackFlags) 0x00000004) -- --/** Indicates that output data will be discarded because no room is available. -- @see PaStreamCallbackFlags --*/ --#define paOutputOverflow ((PaStreamCallbackFlags) 0x00000008) -- --/** Some of all of the output data will be used to prime the stream, input -- data may be zero. -- @see PaStreamCallbackFlags --*/ --#define paPrimingOutput ((PaStreamCallbackFlags) 0x00000010) -- --/** -- Allowable return values for the PaStreamCallback. -- @see PaStreamCallback --*/ --typedef enum PaStreamCallbackResult --{ -- paContinue=0, -- paComplete=1, -- paAbort=2 --} PaStreamCallbackResult; -- -- --/** -- Functions of type PaStreamCallback are implemented by PortAudio clients. -- They consume, process or generate audio in response to requests from an -- active PortAudio stream. -- -- @param input and @param output are arrays of interleaved samples, -- the format, packing and number of channels used by the buffers are -- determined by parameters to Pa_OpenStream(). -- -- @param frameCount The number of sample frames to be processed by -- the stream callback. -- -- @param timeInfo The time in seconds when the first sample of the input -- buffer was received at the audio input, the time in seconds when the first -- sample of the output buffer will begin being played at the audio output, and -- the time in seconds when the stream callback was called. -- See also Pa_GetStreamTime() -- -- @param statusFlags Flags indicating whether input and/or output buffers -- have been inserted or will be dropped to overcome underflow or overflow -- conditions. -- -- @param userData The value of a user supplied pointer passed to -- Pa_OpenStream() intended for storing synthesis data etc. -- -- @return -- The stream callback should return one of the values in the -- PaStreamCallbackResult enumeration. To ensure that the callback continues -- to be called, it should return paContinue (0). Either paComplete or paAbort -- can be returned to finish stream processing, after either of these values is -- returned the callback will not be called again. If paAbort is returned the -- stream will finish as soon as possible. If paComplete is returned, the stream -- will continue until all buffers generated by the callback have been played. -- This may be useful in applications such as soundfile players where a specific -- duration of output is required. However, it is not necessary to utilise this -- mechanism as Pa_StopStream(), Pa_AbortStream() or Pa_CloseStream() can also -- be used to stop the stream. The callback must always fill the entire output -- buffer irrespective of its return value. -- -- @see Pa_OpenStream, Pa_OpenDefaultStream -- -- @note With the exception of Pa_GetStreamCpuLoad() it is not permissable to call -- PortAudio API functions from within the stream callback. --*/ --typedef int PaStreamCallback( -- const void *input, void *output, -- unsigned long frameCount, -- const PaStreamCallbackTimeInfo* timeInfo, -- PaStreamCallbackFlags statusFlags, -- void *userData ); -- -- --/** Opens a stream for either input, output or both. -- -- @param stream The address of a PaStream pointer which will receive -- a pointer to the newly opened stream. -- -- @param inputParameters A structure that describes the input parameters used by -- the opened stream. See PaStreamParameters for a description of these parameters. -- inputParameters must be NULL for output-only streams. -- -- @param outputParameters A structure that describes the output parameters used by -- the opened stream. See PaStreamParameters for a description of these parameters. -- outputParameters must be NULL for input-only streams. -- -- @param sampleRate The desired sampleRate. For full-duplex streams it is the -- sample rate for both input and output -- -- @param framesPerBuffer The number of frames passed to the stream callback -- function, or the preferred block granularity for a blocking read/write stream. -- The special value paFramesPerBufferUnspecified (0) may be used to request that -- the stream callback will recieve an optimal (and possibly varying) number of -- frames based on host requirements and the requested latency settings. -- Note: With some host APIs, the use of non-zero framesPerBuffer for a callback -- stream may introduce an additional layer of buffering which could introduce -- additional latency. PortAudio guarantees that the additional latency -- will be kept to the theoretical minimum however, it is strongly recommended -- that a non-zero framesPerBuffer value only be used when your algorithm -- requires a fixed number of frames per stream callback. -- -- @param streamFlags Flags which modify the behaviour of the streaming process. -- This parameter may contain a combination of flags ORed together. Some flags may -- only be relevant to certain buffer formats. -- -- @param streamCallback A pointer to a client supplied function that is responsible -- for processing and filling input and output buffers. If this parameter is NULL -- the stream will be opened in 'blocking read/write' mode. In blocking mode, -- the client can receive sample data using Pa_ReadStream and write sample data -- using Pa_WriteStream, the number of samples that may be read or written -- without blocking is returned by Pa_GetStreamReadAvailable and -- Pa_GetStreamWriteAvailable respectively. -- -- @param userData A client supplied pointer which is passed to the stream callback -- function. It could for example, contain a pointer to instance data necessary -- for processing the audio buffers. This parameter is ignored if streamCallback -- is NULL. -- -- @return -- Upon success Pa_OpenStream() returns paNoError and places a pointer to a -- valid PaStream in the stream argument. The stream is inactive (stopped). -- If a call to Pa_OpenStream() fails, a non-zero error code is returned (see -- PaError for possible error codes) and the value of stream is invalid. -- -- @see PaStreamParameters, PaStreamCallback, Pa_ReadStream, Pa_WriteStream, -- Pa_GetStreamReadAvailable, Pa_GetStreamWriteAvailable --*/ --PaError Pa_OpenStream( PaStream** stream, -- const PaStreamParameters *inputParameters, -- const PaStreamParameters *outputParameters, -- double sampleRate, -- unsigned long framesPerBuffer, -- PaStreamFlags streamFlags, -- PaStreamCallback *streamCallback, -- void *userData ); -- -- --/** A simplified version of Pa_OpenStream() that opens the default input -- and/or output devices. -- -- @param stream The address of a PaStream pointer which will receive -- a pointer to the newly opened stream. -- -- @param numInputChannels The number of channels of sound that will be supplied -- to the stream callback or returned by Pa_ReadStream. It can range from 1 to -- the value of maxInputChannels in the PaDeviceInfo record for the default input -- device. If 0 the stream is opened as an output-only stream. -- -- @param numOutputChannels The number of channels of sound to be delivered to the -- stream callback or passed to Pa_WriteStream. It can range from 1 to the value -- of maxOutputChannels in the PaDeviceInfo record for the default output dvice. -- If 0 the stream is opened as an output-only stream. -- -- @param sampleFormat The sample format of both the input and output buffers -- provided to the callback or passed to and from Pa_ReadStream and Pa_WriteStream. -- sampleFormat may be any of the formats described by the PaSampleFormat -- enumeration. -- -- @param sampleRate Same as Pa_OpenStream parameter of the same name. -- @param framesPerBuffer Same as Pa_OpenStream parameter of the same name. -- @param streamCallback Same as Pa_OpenStream parameter of the same name. -- @param userData Same as Pa_OpenStream parameter of the same name. -- -- @return As for Pa_OpenStream -- -- @see Pa_OpenStream, PaStreamCallback --*/ --PaError Pa_OpenDefaultStream( PaStream** stream, -- int numInputChannels, -- int numOutputChannels, -- PaSampleFormat sampleFormat, -- double sampleRate, -- unsigned long framesPerBuffer, -- PaStreamCallback *streamCallback, -- void *userData ); -- -- --/** Closes an audio stream. If the audio stream is active it -- discards any pending buffers as if Pa_AbortStream() had been called. --*/ --PaError Pa_CloseStream( PaStream *stream ); -- -- --/** Functions of type PaStreamFinishedCallback are implemented by PortAudio -- clients. They can be registered with a stream using the Pa_SetStreamFinishedCallback -- function. Once registered they are called when the stream becomes inactive -- (ie once a call to Pa_StopStream() will not block). -- A stream will become inactive after the stream callback returns non-zero, -- or when Pa_StopStream or Pa_AbortStream is called. For a stream providing audio -- output, if the stream callback returns paComplete, or Pa_StopStream is called, -- the stream finished callback will not be called until all generated sample data -- has been played. -- -- @param userData The userData parameter supplied to Pa_OpenStream() -- -- @see Pa_SetStreamFinishedCallback --*/ --typedef void PaStreamFinishedCallback( void *userData ); -- -- --/** Register a stream finished callback function which will be called when the -- stream becomes inactive. See the description of PaStreamFinishedCallback for -- further details about when the callback will be called. -- -- @param stream a pointer to a PaStream that is in the stopped state - if the -- stream is not stopped, the stream's finished callback will remain unchanged -- and an error code will be returned. -- -- @param streamFinishedCallback a pointer to a function with the same signature -- as PaStreamFinishedCallback, that will be called when the stream becomes -- inactive. Passing NULL for this parameter will un-register a previously -- registered stream finished callback function. -- -- @return on success returns paNoError, otherwise an error code indicating the cause -- of the error. -- -- @see PaStreamFinishedCallback --*/ --PaError Pa_SetStreamFinishedCallback( PaStream *stream, PaStreamFinishedCallback* streamFinishedCallback ); -- -- --/** Commences audio processing. --*/ --PaError Pa_StartStream( PaStream *stream ); -- -- --/** Terminates audio processing. It waits until all pending -- audio buffers have been played before it returns. --*/ --PaError Pa_StopStream( PaStream *stream ); -- -- --/** Terminates audio processing immediately without waiting for pending -- buffers to complete. --*/ --PaError Pa_AbortStream( PaStream *stream ); -- -- --/** Determine whether the stream is stopped. -- A stream is considered to be stopped prior to a successful call to -- Pa_StartStream and after a successful call to Pa_StopStream or Pa_AbortStream. -- If a stream callback returns a value other than paContinue the stream is NOT -- considered to be stopped. -- -- @return Returns one (1) when the stream is stopped, zero (0) when -- the stream is running or, a PaErrorCode (which are always negative) if -- PortAudio is not initialized or an error is encountered. -- -- @see Pa_StopStream, Pa_AbortStream, Pa_IsStreamActive --*/ --PaError Pa_IsStreamStopped( PaStream *stream ); -- -- --/** Determine whether the stream is active. -- A stream is active after a successful call to Pa_StartStream(), until it -- becomes inactive either as a result of a call to Pa_StopStream() or -- Pa_AbortStream(), or as a result of a return value other than paContinue from -- the stream callback. In the latter case, the stream is considered inactive -- after the last buffer has finished playing. -- -- @return Returns one (1) when the stream is active (ie playing or recording -- audio), zero (0) when not playing or, a PaErrorCode (which are always negative) -- if PortAudio is not initialized or an error is encountered. -- -- @see Pa_StopStream, Pa_AbortStream, Pa_IsStreamStopped --*/ --PaError Pa_IsStreamActive( PaStream *stream ); -- -- -- --/** A structure containing unchanging information about an open stream. -- @see Pa_GetStreamInfo --*/ -- --typedef struct PaStreamInfo --{ -- /** this is struct version 1 */ -- int structVersion; -- -- /** The input latency of the stream in seconds. This value provides the most -- accurate estimate of input latency available to the implementation. It may -- differ significantly from the suggestedLatency value passed to Pa_OpenStream(). -- The value of this field will be zero (0.) for output-only streams. -- @see PaTime -- */ -- PaTime inputLatency; -- -- /** The output latency of the stream in seconds. This value provides the most -- accurate estimate of output latency available to the implementation. It may -- differ significantly from the suggestedLatency value passed to Pa_OpenStream(). -- The value of this field will be zero (0.) for input-only streams. -- @see PaTime -- */ -- PaTime outputLatency; -- -- /** The sample rate of the stream in Hertz (samples per second). In cases -- where the hardware sample rate is inaccurate and PortAudio is aware of it, -- the value of this field may be different from the sampleRate parameter -- passed to Pa_OpenStream(). If information about the actual hardware sample -- rate is not available, this field will have the same value as the sampleRate -- parameter passed to Pa_OpenStream(). -- */ -- double sampleRate; -- --} PaStreamInfo; -- -- --/** Retrieve a pointer to a PaStreamInfo structure containing information -- about the specified stream. -- @return A pointer to an immutable PaStreamInfo structure. If the stream -- parameter invalid, or an error is encountered, the function returns NULL. -- -- @param stream A pointer to an open stream previously created with Pa_OpenStream. -- -- @note PortAudio manages the memory referenced by the returned pointer, -- the client must not manipulate or free the memory. The pointer is only -- guaranteed to be valid until the specified stream is closed. -- -- @see PaStreamInfo --*/ --const PaStreamInfo* Pa_GetStreamInfo( PaStream *stream ); -- -- --/** Determine the current time for the stream according to the same clock used -- to generate buffer timestamps. This time may be used for syncronising other -- events to the audio stream, for example synchronizing audio to MIDI. -- -- @return The stream's current time in seconds, or 0 if an error occurred. -- -- @see PaTime, PaStreamCallback --*/ --PaTime Pa_GetStreamTime( PaStream *stream ); -- -- --/** Retrieve CPU usage information for the specified stream. -- The "CPU Load" is a fraction of total CPU time consumed by a callback stream's -- audio processing routines including, but not limited to the client supplied -- stream callback. This function does not work with blocking read/write streams. -- -- This function may be called from the stream callback function or the -- application. -- -- @return -- A floating point value, typically between 0.0 and 1.0, where 1.0 indicates -- that the stream callback is consuming the maximum number of CPU cycles possible -- to maintain real-time operation. A value of 0.5 would imply that PortAudio and -- the stream callback was consuming roughly 50% of the available CPU time. The -- return value may exceed 1.0. A value of 0.0 will always be returned for a -- blocking read/write stream, or if an error occurrs. --*/ --double Pa_GetStreamCpuLoad( PaStream* stream ); -- -- --/** Read samples from an input stream. The function doesn't return until -- the entire buffer has been filled - this may involve waiting for the operating -- system to supply the data. -- -- @param stream A pointer to an open stream previously created with Pa_OpenStream. -- -- @param buffer A pointer to a buffer of sample frames. The buffer contains -- samples in the format specified by the inputParameters->sampleFormat field -- used to open the stream, and the number of channels specified by -- inputParameters->numChannels. If non-interleaved samples were requested, -- buffer is a pointer to the first element of an array of non-interleaved -- buffer pointers, one for each channel. -- -- @param frames The number of frames to be read into buffer. This parameter -- is not constrained to a specific range, however high performance applications -- will want to match this parameter to the framesPerBuffer parameter used -- when opening the stream. -- -- @return On success PaNoError will be returned, or PaInputOverflowed if input -- data was discarded by PortAudio after the previous call and before this call. --*/ --PaError Pa_ReadStream( PaStream* stream, -- void *buffer, -- unsigned long frames ); -- -- --/** Write samples to an output stream. This function doesn't return until the -- entire buffer has been consumed - this may involve waiting for the operating -- system to consume the data. -- -- @param stream A pointer to an open stream previously created with Pa_OpenStream. -- -- @param buffer A pointer to a buffer of sample frames. The buffer contains -- samples in the format specified by the outputParameters->sampleFormat field -- used to open the stream, and the number of channels specified by -- outputParameters->numChannels. If non-interleaved samples were requested, -- buffer is a pointer to the first element of an array of non-interleaved -- buffer pointers, one for each channel. -- -- @param frames The number of frames to be written from buffer. This parameter -- is not constrained to a specific range, however high performance applications -- will want to match this parameter to the framesPerBuffer parameter used -- when opening the stream. -- -- @return On success PaNoError will be returned, or paOutputUnderflowed if -- additional output data was inserted after the previous call and before this -- call. --*/ --PaError Pa_WriteStream( PaStream* stream, -- const void *buffer, -- unsigned long frames ); -- -- --/** Retrieve the number of frames that can be read from the stream without -- waiting. -- -- @return Returns a non-negative value representing the maximum number of frames -- that can be read from the stream without blocking or busy waiting or, a -- PaErrorCode (which are always negative) if PortAudio is not initialized or an -- error is encountered. --*/ --signed long Pa_GetStreamReadAvailable( PaStream* stream ); -- -- --/** Retrieve the number of frames that can be written to the stream without -- waiting. -- -- @return Returns a non-negative value representing the maximum number of frames -- that can be written to the stream without blocking or busy waiting or, a -- PaErrorCode (which are always negative) if PortAudio is not initialized or an -- error is encountered. --*/ --signed long Pa_GetStreamWriteAvailable( PaStream* stream ); -- -- --/* Miscellaneous utilities */ -- -- --/** Retrieve the size of a given sample format in bytes. -- -- @return The size in bytes of a single sample in the specified format, -- or paSampleFormatNotSupported if the format is not supported. --*/ --PaError Pa_GetSampleSize( PaSampleFormat format ); -- -- --/** Put the caller to sleep for at least 'msec' milliseconds. This function is -- provided only as a convenience for authors of portable code (such as the tests -- and examples in the PortAudio distribution.) -- -- The function may sleep longer than requested so don't rely on this for accurate -- musical timing. --*/ --void Pa_Sleep( long msec ); -- -- -- --#ifdef __cplusplus --} --#endif /* __cplusplus */ --#endif /* PORTAUDIO_H */ ---- a/src/wave.cpp -+++ b/src/wave.cpp -@@ -31,7 +31,10 @@ - #include - #include - --#include "portaudio.h" -+#ifdef USE_PORTAUDIO -+#include -+#endif -+ - #ifdef PLATFORM_WINDOWS - #include - #else ---- a/src/wavegen.cpp -+++ b/src/wavegen.cpp -@@ -40,7 +40,7 @@ - #endif - - #ifdef USE_PORTAUDIO --#include "portaudio.h" -+#include - #undef USE_PORTAUDIO - // determine portaudio version by looking for a #define which is not in V18 - #ifdef paNeverDropInput -- 2.30.2