diff --git a/portaudio-v19/Makefile.bak b/portaudio-v19/Makefile.bak deleted file mode 100644 index cace57300..000000000 --- a/portaudio-v19/Makefile.bak +++ /dev/null @@ -1,186 +0,0 @@ -# Generated automatically from Makefile.in by configure. -# -# PortAudio V19 Makefile.in -# -# Dominic Mazzoni -# - -PREFIX = /usr/local -CC = cc -CFLAGS = -g -O2 -Wall -pedantic -pipe -fPIC -DPA_LITTLE_ENDIAN -I/usr/local/include -Ipa_common -DSIZEOF_SHORT=2 -DSIZEOF_INT=4 -DSIZEOF_LONG=4 -DHAVE_LIBPTHREAD=1 -DPA_USE_JACK=1 -DPA_USE_OSS=1 -LIBS = -lpthread -pthread -L/usr/local/lib -ljack -lm -lpthread -AR = /usr/bin/ar -RANLIB = ranlib -INSTALL = /usr/bin/install -c -o root -g wheel -SHARED_FLAGS = -shared -fPIC -DLL_LIBS = -pthread -L/usr/local/lib -ljack -CXXFLAGS = -O2 -pipe -NASM = -NASMOPT = - -OTHER_OBJS = pa_jack/pa_jack.o pa_unix_oss/pa_unix_oss.o pa_unix/pa_unix_hostapis.o pa_unix/pa_unix_util.o - -PALIB = libportaudio.a -PADLL = libportaudio.so -PADLLV = $(PADLL).0.0.19 -PAINC = pa_common/portaudio.h - -COMMON_OBJS = \ - pa_common/pa_allocation.o \ - pa_common/pa_converters.o \ - pa_common/pa_cpuload.o \ - pa_common/pa_dither.o \ - pa_common/pa_front.o \ - pa_common/pa_process.o \ - pa_common/pa_skeleton.o \ - pa_common/pa_stream.o \ - pa_common/pa_trace.o - -TESTS = \ - bin/paqa_devs \ - bin/paqa_errs \ - bin/patest1 \ - bin/patest_buffer \ - bin/patest_callbackstop \ - bin/patest_clip \ - bin/patest_dither \ - bin/patest_hang \ - bin/patest_in_overflow \ - bin/patest_latency \ - bin/patest_leftright \ - bin/patest_longsine \ - bin/patest_many \ - bin/patest_maxsines \ - bin/patest_multi_sine \ - bin/patest_out_underflow \ - bin/patest_pink \ - bin/patest_prime \ - bin/patest_read_record \ - bin/patest_record \ - bin/patest_ringmix \ - bin/patest_saw \ - bin/patest_sine8 \ - bin/patest_sine \ - bin/patest_sine_formats \ - bin/patest_sine_time \ - bin/patest_start_stop \ - bin/patest_stop \ - bin/patest_sync \ - bin/patest_toomanysines \ - bin/patest_underflow \ - bin/patest_wire \ - bin/patest_write_sine \ - bin/pa_devs \ - bin/pa_fuzz \ - bin/pa_minlat - -# Most of these don't compile yet. Put them in TESTS, above, if -# you want to try to compile them... -ALL_TESTS = \ - bin/debug_convert \ - bin/debug_dither_calc \ - bin/debug_dual \ - bin/debug_multi_in \ - bin/debug_multi_out \ - bin/debug_record \ - bin/debug_record_reuse \ - bin/debug_sine_amp \ - bin/debug_sine \ - bin/debug_sine_formats \ - bin/debug_srate \ - bin/debug_test1 \ - bin/pa_devs \ - bin/pa_fuzz \ - bin/pa_minlat \ - bin/paqa_devs \ - bin/paqa_errs \ - bin/patest1 \ - bin/patest_buffer \ - bin/patest_clip \ - bin/patest_dither \ - bin/patest_hang \ - bin/patest_in_overflow \ - bin/patest_latency \ - bin/patest_leftright \ - bin/patest_longsine \ - bin/patest_many \ - bin/patest_maxsines \ - bin/patest_multi_sine \ - bin/patest_out_underflow \ - bin/patest_pink \ - bin/patest_read_record \ - bin/patest_record \ - bin/patest_ringmix \ - bin/patest_saw \ - bin/patest_sine8 \ - bin/patest_sine \ - bin/patest_sine_formats \ - bin/patest_sine_time \ - bin/patest_start_stop \ - bin/patest_stop \ - bin/patest_sync \ - bin/patest_toomanysines \ - bin/patest_underflow \ - bin/patest_wire \ - bin/patest_write_sine - -OBJS = $(COMMON_OBJS) $(OTHER_OBJS) - -all: lib/$(PALIB) lib/$(PADLLV) - -tests: bin/ $(TESTS) - -lib/$(PALIB): lib/ $(OBJS) Makefile $(PAINC) - $(AR) ruv lib/$(PALIB) $(OBJS) - $(RANLIB) lib/$(PALIB) - -lib/$(PADLLV): lib/ $(OBJS) Makefile $(PAINC) - $(CC) $(SHARED_FLAGS) -o lib/$(PADLLV) $(OBJS) $(DLL_LIBS) - -$(TESTS): bin/%: lib/$(PALIB) Makefile $(PAINC) pa_tests/%.c - $(CC) -o $@ $(CFLAGS) pa_tests/$*.c lib/$(PALIB) $(LIBS) - -install: lib/$(PALIB) lib/$(PADLLV) - $(INSTALL) -d $(PREFIX)/lib - $(INSTALL) -m 644 lib/$(PADLLV) $(PREFIX)/lib/$(PADLLV) - $(INSTALL) -m 644 lib/$(PALIB) $(PREFIX)/lib/$(PALIB) - cd $(PREFIX)/lib && rm -f $(PADLL) && ln -s $(PADLLV) $(PADLL) - $(INSTALL) -d $(PREFIX)/include - $(INSTALL) -m 644 pa_common/portaudio.h $(PREFIX)/include/portaudio.h - @echo "" - @echo "------------------------------------------------------------" - @echo "PortAudio was successfully installed." - @echo "" - @echo "On some systems (e.g. Linux) you should run 'ldconfig' now" - @echo "to make the shared object available. You may also need to" - @echo "modify your LD_LIBRARY_PATH environment variable to include" - @echo "the directory $(PREFIX)/lib" - @echo "------------------------------------------------------------" - @echo "" - -uninstall: - rm -f $(PREFIX)/lib/$(PADLLV) - rm -f $(PREFIX)/lib/$(PALIB) - rm -f $(PREFIX)/lib/$(PADLL) - rm -f $(PREFIX)/include/portaudio.h - -clean: - rm -f $(OBJS) $(TESTS) lib/$(PALIB) lib/$(PADLLV) - -%.o: %.c Makefile $(PAINC) - $(CC) -c $(CFLAGS) $< -o $@ - -%.o: %.cpp Makefile $(PAINC) - $(CXX) -c $(CXXFLAGS) $< -o $@ - -%.o: %.asm - $(NASM) $(NASMOPT) -o $@ $< - -bin: - mkdir bin - -lib: - mkdir lib - - - diff --git a/portaudio-v19/SConscript b/portaudio-v19/SConscript deleted file mode 100644 index 252ef5b26..000000000 --- a/portaudio-v19/SConscript +++ /dev/null @@ -1,198 +0,0 @@ -import os.path, copy, sys - -def checkSymbol(conf, header, library=None, symbol=None, autoadd=True, critical=False, pkgName=None): - env = conf.env - if library is None: - library = "c" # Standard library - autoadd = False - - if pkgName is not None: - origLibPath = copy.copy(env.get("LIBPATH", None)) - origLibs = copy.copy(env.get("LIBS", None)) - origLinkFlags = copy.copy(env.get("LINKFLAGS", None)) - origCppFlags = copy.copy(env.get("CPPFLAGS", None)) - origCppPath = copy.copy(env.get("CPPPATH", None)) - origCcFlags = copy.copy(env.get("CCFLAGS", None)) - origAsFlags = copy.copy(env.get("ASFLAGS", None)) - - try: env.ParseConfig("pkg-config --silence-errors %s --cflags --libs" % pkgName) - except: pass - else: - # I see no other way of checking that the parsing succeeded, if it did add no more linking parameters - if env["LIBS"] != origLibs: - autoadd = False - - try: - if not conf.CheckCHeader(header, include_quotes="<>"): - raise ConfigurationError("missing header %s" % header) - if symbol is not None and not conf.CheckLib(library, symbol, language="C", autoadd=autoadd): - raise ConfigurationError("missing symbol %s in library %s" % (symbol, library)) - except ConfigurationError: - if pkgName is not None: - # Restore any changes made by ParseConfig - if origLibPath is not None: - env["LIBPATH"] = origLibPath - if origLibs is not None: - env["LIBS"] = origLibs - if origLinkFlags is not None: - env["LINKFLAGS"] = origLinkFlags - if origCppFlags is not None: - env["CPPFLAGS"] = origCppFlags - if origCppPath is not None: - env["CPPPATH"] = origCppPath - if origCcFlags is not None: - env["CCFLAGS"] = origCcFlags - if origAsFlags is not None: - env["ASFLAGS"] = origAsFlags - - if not critical: - return False - raise - - return True - -Import("env", "Platform", "Posix", "ConfigurationError") - -# Store all signatures in one file, otherwise .sconsign files will get installed along with our own files -env.SConsignFile() - -neededLibs = [] -optionalImpls = {} -if Platform in Posix: - neededLibs += [("pthread", "pthread.h", "pthread_create"), ("m", "math.h", "sin")] - if env["useALSA"]: - optionalImpls["ALSA"] = ("asound", "alsa/asoundlib.h", "snd_pcm_open") - if env["useJACK"]: - optionalImpls["JACK"] = ("jack", "jack/jack.h", "jack_client_new") - if env["useOSS"]: - # TODO: It looks like the prefix for soundcard.h depends on the platform - optionalImpls["OSS"] = ("oss", "sys/soundcard.h", None) -else: - raise ConfigurationError("unknown platform %s" % Platform) - -if Platform == "darwin": - env.Append(LINKFLAGS=["-framework CoreAudio", "-framework AudioToolBox"]) - env.Append(CPPDEFINES=["PA_USE_COREAUDIO"]) -elif Platform == "cygwin": - env.Append(LIBS=["winmm"]) -elif Platform == "irix": - neededLibs += [("audio", "dmedia/audio.h", "alOpenPort"), ("dmedia", "dmedia/dmedia.h", "dmGetUST")] - env.Append(CPPDEFINES=["PA_USE_SGI"]) - -def CheckCTypeSize(context, tp): - context.Message("Checking the size of C type %s..." % tp) - ret = context.TryRun(""" -#include - -int main() { - printf("%%d", sizeof(%s)); - return 0; -} -""" % tp, ".c") - if not ret[0]: - context.Result(" Couldn't obtain size of type %s!" % tp) - return None - - assert ret[1] - sz = int(ret[1]) - context.Result("%d" % sz) - return sz - -if sys.byteorder == "little": - env.Append(CPPDEFINES=["PA_LITTLE_ENDIAN"]) -elif sys.byteorder == "big": - env.Append(CPPDEFINES=["PA_BIG_ENDIAN"]) -else: - raise ConfigurationError("unknown byte order: %s" % sys.byteorder) -if env["enableDebugOutput"]: - env.Append(CPPDEFINES=["PA_ENABLE_DEBUG_OUTPUT"]) - -# Start configuration - -conf = env.Configure(log_file="sconf.log", custom_tests={"CheckCTypeSize": CheckCTypeSize}) -env.Append(CPPDEFINES=["SIZEOF_SHORT=%d" % conf.CheckCTypeSize("short")]) -env.Append(CPPDEFINES=["SIZEOF_INT=%d" % conf.CheckCTypeSize("int")]) -env.Append(CPPDEFINES=["SIZEOF_LONG=%d" % conf.CheckCTypeSize("long")]) -if checkSymbol(conf, "time.h", "rt", "clock_gettime"): - env.Append(CPPDEFINES=["HAVE_CLOCK_GETTIME"]) -if checkSymbol(conf, "time.h", "nanosleep"): - env.Append(CPPDEFINES=["HAVE_NANOSLEEP"]) - -for lib, hdr, sym in neededLibs: - checkSymbol(conf, hdr, lib, sym, critical=True) -for name, val in optionalImpls.items(): - lib, hdr, sym = val - if checkSymbol(conf, hdr, lib, sym, critical=False, pkgName=name.lower()): - env.Append(CPPDEFINES=["PA_USE_%s=1" % name.upper()]) - -# Configuration finished -env = conf.Finish() - -CommonSources = [os.path.join("pa_common", f) for f in "pa_allocation.c pa_converters.c pa_cpuload.c pa_dither.c pa_front.c \ - pa_process.c pa_skeleton.c pa_stream.c pa_trace.c".split()] - -ImplSources = [] -if Platform in Posix: - env.AppendUnique(LINKFLAGS=["-pthread"]) - BaseCFlags = "-Wall -pedantic -pipe -pthread" - DebugCFlags = "-g" - OptCFlags = "-O2" - ImplSources += [os.path.join("pa_unix", f) for f in "pa_unix_hostapis.c pa_unix_util.c".split()] - -if "ALSA" in optionalImpls: - ImplSources.append(os.path.join("pa_linux_alsa", "pa_linux_alsa.c")) -if "JACK" in optionalImpls: - ImplSources.append(os.path.join("pa_jack", "pa_jack.c")) -if "OSS" in optionalImpls: - ImplSources.append(os.path.join("pa_unix_oss", "pa_unix_oss.c")) - -env["CCFLAGS"] = BaseCFlags -if env["enableDebug"]: - env["CCFLAGS"] += " " + DebugCFlags -if env["enableOptimize"]: - env["CCFLAGS"] += " " + OptCFlags -if not env["enableAsserts"]: - env.Append(CPPDEFINES=["-DNDEBUG"]) -if env["customCFlags"]: - env["CCFLAGS"] += " " + env["customCFlags"] - -sources = CommonSources + ImplSources - -if env["enableShared"]: - sharedLib = env.SharedLibrary(target="portaudio", source=sources) -else: - sharedLib = None -staticLib = env.StaticLibrary(target="portaudio", source=sources) - -if Platform in Posix: - prefix = env["prefix"] - env.Alias("install", env.Install(os.path.join(prefix, "include"), os.path.join("pa_common", "portaudio.h"))) - - if env["enableStatic"]: - env.Alias("install", env.Install(os.path.join(prefix, "lib"), staticLib)) - - def symlink(env, target, source): - trgt = str(target[0]) - src = str(source[0]) - print trgt, src - - if os.path.exists(trgt): - os.remove(trgt) - os.symlink("libportaudio.so.0.0.19", trgt) - if env["enableShared"]: - env.Alias("install", env.InstallAs(target=os.path.join(prefix, "lib", "%s.0.0.19") % sharedLib[0], source=sharedLib)) - env.Alias("install", env.Command(os.path.join(prefix, "lib", "libportaudio.so"), sharedLib, symlink)) - -testNames = ["patest_sine", "paqa_devs", "paqa_errs", "patest1", "patest_buffer", "patest_callbackstop", "patest_clip", \ - "patest_dither", "patest_hang", "patest_in_overflow", "patest_latency", "patest_leftright", "patest_longsine", \ - "patest_many", "patest_maxsines", "patest_multi_sine", "patest_out_underflow", "patest_pink", "patest_prime", \ - "patest_read_record", "patest_record", "patest_ringmix", "patest_saw", "patest_sine8", "patest_sine", \ - "patest_sine_time", "patest_start_stop", "patest_stop", "patest_sync", \ - "patest_toomanysines", "patest_underflow", "patest_wire", "patest_write_sine", "pa_devs", "pa_fuzz", "pa_minlat"] - -# The test directory ("bin") should be in the top-level PA directory, the calling script should ensure that SCons doesn't -# switch current directory by calling SConscriptChdir(False). Specifying an absolute directory for each target means it won't -# be relative to the build directory -tests = [env.Program(target=os.path.join(os.getcwd(), "bin", name), source=[os.path.join("pa_tests", name + ".c"), staticLib]) for name in testNames] - -Return("sources", "sharedLib", "staticLib") diff --git a/portaudio-v19/config.cache b/portaudio-v19/config.cache deleted file mode 100644 index e4d56e18d..000000000 --- a/portaudio-v19/config.cache +++ /dev/null @@ -1,30 +0,0 @@ -# This file is a shell script that caches the results of configure -# tests run on this system so they can be shared between configure -# scripts and configure runs. It is not useful on other systems. -# If it contains results you don't want to keep, you may remove or edit it. -# -# By default, configure uses ./config.cache as the cache file, -# creating it if it does not exist already. You can give configure -# the --cache-file=FILE option to use a different cache file; that is -# what configure does when it calls configure scripts in -# subdirectories, so they share the cache. -# Giving --cache-file=/dev/null disables caching, for debugging configure. -# config.status only pays attention to the cache file if you give it the -# --recheck option to rerun configure. -# -ac_cv_c_bigendian=${ac_cv_c_bigendian=no} -ac_cv_lib_asound_snd_pcm_open=${ac_cv_lib_asound_snd_pcm_open=no} -ac_cv_lib_pthread_pthread_create=${ac_cv_lib_pthread_pthread_create=yes} -ac_cv_path_AR=${ac_cv_path_AR=/usr/bin/ar} -ac_cv_path_PKG_CONFIG=${ac_cv_path_PKG_CONFIG=/usr/local/bin/pkg-config} -ac_cv_path_install=${ac_cv_path_install='/usr/bin/install -c'} -ac_cv_prog_CC=${ac_cv_prog_CC=cc} -ac_cv_prog_RANLIB=${ac_cv_prog_RANLIB=ranlib} -ac_cv_prog_cc_cross=${ac_cv_prog_cc_cross=no} -ac_cv_prog_cc_g=${ac_cv_prog_cc_g=yes} -ac_cv_prog_cc_works=${ac_cv_prog_cc_works=yes} -ac_cv_prog_gcc=${ac_cv_prog_gcc=yes} -ac_cv_sizeof_int=${ac_cv_sizeof_int=4} -ac_cv_sizeof_long=${ac_cv_sizeof_long=4} -ac_cv_sizeof_short=${ac_cv_sizeof_short=2} -lt_cv_sys_max_cmd_len=${lt_cv_sys_max_cmd_len=262144} diff --git a/portaudio-v19/pa_beos/PlaybackNode.cc b/portaudio-v19/pa_beos/PlaybackNode.cc deleted file mode 100644 index a93b84120..000000000 --- a/portaudio-v19/pa_beos/PlaybackNode.cc +++ /dev/null @@ -1,538 +0,0 @@ -/* - * $Id: PlaybackNode.cc,v 1.1.1.1 2002/01/22 00:52:07 phil Exp $ - * PortAudio Portable Real-Time Audio Library - * Latest Version at: http://www.portaudio.com - * BeOS Media Kit Implementation by Joshua Haberman - * - * Copyright (c) 2001 Joshua Haberman - * - * 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. - * - * --- - * - * Significant portions of this file are based on sample code from Be. The - * Be Sample Code Licence follows: - * - * Copyright 1991-1999, Be Incorporated. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions, and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR - * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include - -#include -#include -#include - -#include "PlaybackNode.h" - -#define PRINT(x) { printf x; fflush(stdout); } - -#ifdef DEBUG -#define DBUG(x) PRINT(x) -#else -#define DBUG(x) -#endif - - -PaPlaybackNode::PaPlaybackNode(uint32 channels, float frame_rate, uint32 frames_per_buffer, - PortAudioCallback* callback, void *user_data) : - BMediaNode("PortAudio input node"), - BBufferProducer(B_MEDIA_RAW_AUDIO), - BMediaEventLooper(), - mAborted(false), - mRunning(false), - mBufferGroup(NULL), - mDownstreamLatency(0), - mStartTime(0), - mCallback(callback), - mUserData(user_data), - mFramesPerBuffer(frames_per_buffer) -{ - DBUG(("Constructor called.\n")); - - mPreferredFormat.type = B_MEDIA_RAW_AUDIO; - mPreferredFormat.u.raw_audio.channel_count = channels; - mPreferredFormat.u.raw_audio.frame_rate = frame_rate; - mPreferredFormat.u.raw_audio.byte_order = - (B_HOST_IS_BENDIAN) ? B_MEDIA_BIG_ENDIAN : B_MEDIA_LITTLE_ENDIAN; - mPreferredFormat.u.raw_audio.buffer_size = - media_raw_audio_format::wildcard.buffer_size; - - mOutput.destination = media_destination::null; - mOutput.format = mPreferredFormat; - - /* The amount of time it takes for this node to produce a buffer when - * asked. Essentially, it is how long the user's callback takes to run. - * We set this to be the length of the sound data each buffer of the - * requested size can hold. */ - //mInternalLatency = (bigtime_t)(1000000 * frames_per_buffer / frame_rate); - - /* ACK! it seems that the mixer (at least on my machine) demands that IT - * specify the buffer size, so for now I'll just make a generic guess here */ - mInternalLatency = 1000000 / 20; -} - - - -PaPlaybackNode::~PaPlaybackNode() -{ - DBUG(("Destructor called.\n")); - Quit(); /* Stop the BMediaEventLooper thread */ -} - - -/************************* - * - * Local methods - * - */ - -bool PaPlaybackNode::IsRunning() -{ - return mRunning; -} - - -PaTimestamp PaPlaybackNode::GetStreamTime() -{ - BTimeSource *timeSource = TimeSource(); - PaTimestamp time = (timeSource->Now() - mStartTime) * - mPreferredFormat.u.raw_audio.frame_rate / 1000000; - return time; -} - - -void PaPlaybackNode::SetSampleFormat(PaSampleFormat inFormat, - PaSampleFormat outFormat) -{ - uint32 beOutFormat; - - switch(outFormat) - { - case paFloat32: - beOutFormat = media_raw_audio_format::B_AUDIO_FLOAT; - mOutputSampleWidth = 4; - break; - - case paInt16: - beOutFormat = media_raw_audio_format::B_AUDIO_SHORT; - mOutputSampleWidth = 2; - break; - - case paInt32: - beOutFormat = media_raw_audio_format::B_AUDIO_INT; - mOutputSampleWidth = 4; - break; - - case paInt8: - beOutFormat = media_raw_audio_format::B_AUDIO_CHAR; - mOutputSampleWidth = 1; - break; - - case paUInt8: - beOutFormat = media_raw_audio_format::B_AUDIO_UCHAR; - mOutputSampleWidth = 1; - break; - - case paInt24: - case paPackedInt24: - case paCustomFormat: - DBUG(("Unsupported output format: %x\n", outFormat)); - break; - - default: - DBUG(("Unknown output format: %x\n", outFormat)); - } - - mPreferredFormat.u.raw_audio.format = beOutFormat; - mFramesPerBuffer * mPreferredFormat.u.raw_audio.channel_count * mOutputSampleWidth; -} - -BBuffer *PaPlaybackNode::FillNextBuffer(bigtime_t time) -{ - /* Get a buffer from the buffer group */ - BBuffer *buf = mBufferGroup->RequestBuffer( - mOutput.format.u.raw_audio.buffer_size, BufferDuration()); - unsigned long frames = mOutput.format.u.raw_audio.buffer_size / - mOutputSampleWidth / mOutput.format.u.raw_audio.channel_count; - bigtime_t start_time; - int ret; - - if( !buf ) - { - DBUG(("Unable to allocate a buffer\n")); - return NULL; - } - - start_time = mStartTime + - (bigtime_t)((double)mSamplesSent / - (double)mOutput.format.u.raw_audio.frame_rate / - (double)mOutput.format.u.raw_audio.channel_count * - 1000000.0); - - /* Now call the user callback to get the data */ - ret = mCallback(NULL, /* Input buffer */ - buf->Data(), /* Output buffer */ - frames, /* Frames per buffer */ - mSamplesSent / mOutput.format.u.raw_audio.channel_count, /* timestamp */ - mUserData); - - if( ret ) - mAborted = true; - - media_header *hdr = buf->Header(); - - hdr->type = B_MEDIA_RAW_AUDIO; - hdr->size_used = mOutput.format.u.raw_audio.buffer_size; - hdr->time_source = TimeSource()->ID(); - hdr->start_time = start_time; - - return buf; -} - - - - -/************************* - * - * BMediaNode methods - * - */ - -BMediaAddOn *PaPlaybackNode::AddOn( int32 * ) const -{ - DBUG(("AddOn() called.\n")); - return NULL; /* we don't provide service to outside applications */ -} - - -status_t PaPlaybackNode::HandleMessage( int32 message, const void *data, - size_t size ) -{ - DBUG(("HandleMessage() called.\n")); - return B_ERROR; /* we don't define any custom messages */ -} - - - - -/************************* - * - * BMediaEventLooper methods - * - */ - -void PaPlaybackNode::NodeRegistered() -{ - DBUG(("NodeRegistered() called.\n")); - - /* Start the BMediaEventLooper thread */ - SetPriority(B_REAL_TIME_PRIORITY); - Run(); - - /* set up as much information about our output as we can */ - mOutput.source.port = ControlPort(); - mOutput.source.id = 0; - mOutput.node = Node(); - ::strcpy(mOutput.name, "PortAudio Playback"); -} - - -void PaPlaybackNode::HandleEvent( const media_timed_event *event, - bigtime_t lateness, bool realTimeEvent ) -{ - // DBUG(("HandleEvent() called.\n")); - status_t err; - - switch(event->type) - { - case BTimedEventQueue::B_START: - DBUG((" Handling a B_START event\n")); - if( RunState() != B_STARTED ) - { - mStartTime = event->event_time + EventLatency(); - mSamplesSent = 0; - mAborted = false; - mRunning = true; - media_timed_event firstEvent( mStartTime, - BTimedEventQueue::B_HANDLE_BUFFER ); - EventQueue()->AddEvent( firstEvent ); - } - break; - - case BTimedEventQueue::B_STOP: - DBUG((" Handling a B_STOP event\n")); - mRunning = false; - EventQueue()->FlushEvents( 0, BTimedEventQueue::B_ALWAYS, true, - BTimedEventQueue::B_HANDLE_BUFFER ); - break; - - case BTimedEventQueue::B_HANDLE_BUFFER: - //DBUG((" Handling a B_HANDLE_BUFFER event\n")); - - /* make sure we're started and connected */ - if( RunState() != BMediaEventLooper::B_STARTED || - mOutput.destination == media_destination::null ) - break; - - BBuffer *buffer = FillNextBuffer(event->event_time); - - /* make sure we weren't aborted while this routine was running. - * this can happen in one of two ways: either the callback returned - * nonzero (in which case mAborted is set in FillNextBuffer() ) or - * the client called AbortStream */ - if( mAborted ) - { - if( buffer ) - buffer->Recycle(); - Stop(0, true); - break; - } - - if( buffer ) - { - err = SendBuffer(buffer, mOutput.destination); - if( err != B_OK ) - buffer->Recycle(); - } - - mSamplesSent += mOutput.format.u.raw_audio.buffer_size / mOutputSampleWidth; - - /* Now schedule the next buffer event, so we can send another - * buffer when this one runs out. We calculate when it should - * happen by calculating when the data we just sent will finish - * playing. - * - * NOTE, however, that the event will actually get generated - * earlier than we specify, to account for the latency it will - * take to produce the buffer. It uses the latency value we - * specified in SetEventLatency() to determine just how early - * to generate it. */ - - /* totalPerformanceTime includes the time represented by the buffer - * we just sent */ - bigtime_t totalPerformanceTime = (bigtime_t)((double)mSamplesSent / - (double)mOutput.format.u.raw_audio.channel_count / - (double)mOutput.format.u.raw_audio.frame_rate * 1000000.0); - - bigtime_t nextEventTime = mStartTime + totalPerformanceTime; - - media_timed_event nextBufferEvent(nextEventTime, - BTimedEventQueue::B_HANDLE_BUFFER); - EventQueue()->AddEvent(nextBufferEvent); - - break; - - } -} - - - - -/************************* - * - * BBufferProducer methods - * - */ - -status_t PaPlaybackNode::FormatSuggestionRequested( media_type type, - int32 /*quality*/, media_format* format ) -{ - /* the caller wants to know this node's preferred format and provides - * a suggestion, asking if we support it */ - DBUG(("FormatSuggestionRequested() called.\n")); - - if(!format) - return B_BAD_VALUE; - - *format = mPreferredFormat; - - /* we only support raw audio (a wildcard is okay too) */ - if ( type == B_MEDIA_UNKNOWN_TYPE || type == B_MEDIA_RAW_AUDIO ) - return B_OK; - else - return B_MEDIA_BAD_FORMAT; -} - - -status_t PaPlaybackNode::FormatProposal( const media_source& output, - media_format* format ) -{ - /* This is similar to FormatSuggestionRequested(), but it is actually part - * of the negotiation process. We're given the opportunity to specify any - * properties that are wildcards (ie. properties that the other node doesn't - * care one way or another about) */ - DBUG(("FormatProposal() called.\n")); - - /* Make sure this proposal really applies to our output */ - if( output != mOutput.source ) - return B_MEDIA_BAD_SOURCE; - - /* We return two things: whether we support the proposed format, and our own - * preferred format */ - *format = mPreferredFormat; - - if( format->type == B_MEDIA_UNKNOWN_TYPE || format->type == B_MEDIA_RAW_AUDIO ) - return B_OK; - else - return B_MEDIA_BAD_FORMAT; -} - - -status_t PaPlaybackNode::FormatChangeRequested( const media_source& source, - const media_destination& destination, media_format* io_format, int32* ) -{ - /* we refuse to change formats, supporting only 1 */ - DBUG(("FormatChangeRequested() called.\n")); - - return B_ERROR; -} - - -status_t PaPlaybackNode::GetNextOutput( int32* cookie, media_output* out_output ) -{ - /* this is where we allow other to enumerate our outputs -- the cookie is - * an integer we can use to keep track of where we are in enumeration. */ - DBUG(("GetNextOutput() called.\n")); - - if( *cookie == 0 ) - { - *out_output = mOutput; - *cookie = 1; - return B_OK; - } - - return B_BAD_INDEX; -} - - -status_t PaPlaybackNode::DisposeOutputCookie( int32 cookie ) -{ - DBUG(("DisposeOutputCookie() called.\n")); - return B_OK; -} - - -void PaPlaybackNode::LateNoticeReceived( const media_source& what, - bigtime_t how_much, bigtime_t performance_time ) -{ - /* This function is called as notification that a buffer we sent wasn't - * received by the time we stamped it with -- it got there late. Basically, - * it means we underestimated our own latency, so we should increase it */ - DBUG(("LateNoticeReceived() called.\n")); - - if( what != mOutput.source ) - return; - - if( RunMode() == B_INCREASE_LATENCY ) - { - mInternalLatency += how_much; - SetEventLatency( mDownstreamLatency + mInternalLatency ); - DBUG(("Increasing latency to %Ld\n", mDownstreamLatency + mInternalLatency)); - } - else - DBUG(("I don't know what to do with this notice!")); -} - - -void PaPlaybackNode::EnableOutput( const media_source& what, bool enabled, - int32* ) -{ - DBUG(("EnableOutput() called.\n")); - /* stub -- we don't support this yet */ -} - - -status_t PaPlaybackNode::PrepareToConnect( const media_source& what, - const media_destination& where, media_format* format, - media_source* out_source, char* out_name ) -{ - /* the final stage of format negotiations. here we _must_ make specific any - * remaining wildcards */ - DBUG(("PrepareToConnect() called.\n")); - - /* make sure this really refers to our source */ - if( what != mOutput.source ) - return B_MEDIA_BAD_SOURCE; - - /* make sure we're not already connected */ - if( mOutput.destination != media_destination::null ) - return B_MEDIA_ALREADY_CONNECTED; - - if( format->type != B_MEDIA_RAW_AUDIO ) - return B_MEDIA_BAD_FORMAT; - - if( format->u.raw_audio.format != mPreferredFormat.u.raw_audio.format ) - return B_MEDIA_BAD_FORMAT; - - if( format->u.raw_audio.buffer_size == - media_raw_audio_format::wildcard.buffer_size ) - { - DBUG(("We were left to decide buffer size: choosing 2048")); - format->u.raw_audio.buffer_size = 2048; - } - else - DBUG(("Using consumer specified buffer size of %lu.\n", - format->u.raw_audio.buffer_size)); - - /* Reserve the connection, return the information */ - mOutput.destination = where; - mOutput.format = *format; - *out_source = mOutput.source; - strncpy( out_name, mOutput.name, B_MEDIA_NAME_LENGTH ); - - return B_OK; -} - - -void PaPlaybackNode::Connect(status_t error, const media_source& source, - const media_destination& destination, const media_format& format, char* io_name) -{ - DBUG(("Connect() called.\n")); - diff --git a/portaudio-v19/pa_beos/PlaybackNode.h b/portaudio-v19/pa_beos/PlaybackNode.h deleted file mode 100644 index 64ee5b3bc..000000000 --- a/portaudio-v19/pa_beos/PlaybackNode.h +++ /dev/null @@ -1,108 +0,0 @@ -/* - * $Id$ - * PortAudio Portable Real-Time Audio Library - * Latest Version at: http://www.portaudio.com - * BeOS Media Kit Implementation by Joshua Haberman - * - * Copyright (c) 2001 Joshua Haberman - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - */ - -#include -#include -#include - -#include "portaudio.h" - -class PaPlaybackNode : - public BBufferProducer, - public BMediaEventLooper -{ - -public: - PaPlaybackNode( uint32 channels, float frame_rate, uint32 frames_per_buffer, - PortAudioCallback *callback, void *user_data ); - ~PaPlaybackNode(); - - - /* Local methods ******************************************/ - - BBuffer *FillNextBuffer(bigtime_t time); - void SetSampleFormat(PaSampleFormat inFormat, PaSampleFormat outFormat); - bool IsRunning(); - PaTimestamp GetStreamTime(); - - /* BMediaNode methods *************************************/ - - BMediaAddOn* AddOn( int32 * ) const; - status_t HandleMessage( int32 message, const void *data, size_t size ); - - /* BMediaEventLooper methods ******************************/ - - void HandleEvent( const media_timed_event *event, bigtime_t lateness, - bool realTimeEvent ); - void NodeRegistered(); - - /* BBufferProducer methods ********************************/ - - status_t FormatSuggestionRequested( media_type type, int32 quality, - media_format* format ); - status_t FormatProposal( const media_source& output, media_format* format ); - status_t FormatChangeRequested( const media_source& source, - const media_destination& destination, media_format* io_format, int32* ); - - status_t GetNextOutput( int32* cookie, media_output* out_output ); - status_t DisposeOutputCookie( int32 cookie ); - - void LateNoticeReceived( const media_source& what, bigtime_t how_much, - bigtime_t performance_time ); - void EnableOutput( const media_source& what, bool enabled, int32* _deprecated_ ); - - status_t PrepareToConnect( const media_source& what, - const media_destination& where, media_format* format, - media_source* out_source, char* out_name ); - void Connect(status_t error, const media_source& source, - const media_destination& destination, const media_format& format, - char* io_name); - void Disconnect(const media_source& what, const media_destination& where); - - status_t SetBufferGroup(const media_source& for_source, BBufferGroup* newGroup); - - bool mAborted; - -private: - media_output mOutput; - media_format mPreferredFormat; - uint32 mOutputSampleWidth, mFramesPerBuffer; - BBufferGroup *mBufferGroup; - bigtime_t mDownstreamLatency, mInternalLatency, mStartTime; - uint64 mSamplesSent; - PortAudioCallback *mCallback; - void *mUserData; - bool mRunning; - -}; - diff --git a/portaudio-v19/pa_beos/pa_beos_mk.cc b/portaudio-v19/pa_beos/pa_beos_mk.cc deleted file mode 100644 index ff35cdc34..000000000 --- a/portaudio-v19/pa_beos/pa_beos_mk.cc +++ /dev/null @@ -1,441 +0,0 @@ -/* - * $Id: pa_beos_mk.cc,v 1.1.1.1 2002/01/22 00:52:09 phil Exp $ - * PortAudio Portable Real-Time Audio Library - * Latest Version at: http://www.portaudio.com - * BeOS Media Kit Implementation by Joshua Haberman - * - * Copyright (c) 2001 Joshua Haberman - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - */ - -#include -#include -#include -#include -#include - -#include -#include - -#include "portaudio.h" -#include "pa_host.h" - -#include "PlaybackNode.h" - -#define PRINT(x) { printf x; fflush(stdout); } - -#ifdef DEBUG -#define DBUG(x) PRINT(x) -#else -#define DBUG(x) -#endif - -typedef struct PaHostSoundControl -{ - /* These members are common to all modes of operation */ - media_node pahsc_TimeSource; /* the sound card's DAC. */ - media_format pahsc_Format; - - /* These methods are specific to playing mode */ - media_node pahsc_OutputNode; /* output to the mixer */ - media_node pahsc_InputNode; /* reads data from user callback -- PA specific */ - - media_input pahsc_MixerInput; /* input jack on the soundcard's mixer. */ - media_output pahsc_PaOutput; /* output jack from the PA node */ - - PaPlaybackNode *pahsc_InputNodeInstance; - -} -PaHostSoundControl; - -/*************************************************************************/ -PaDeviceID Pa_GetDefaultOutputDeviceID( void ) -{ - /* stub */ - return 0; -} - -/*************************************************************************/ -PaDeviceID Pa_GetDefaultInputDeviceID( void ) -{ - /* stub */ - return 0; -} - -/*************************************************************************/ -const PaDeviceInfo* Pa_GetDeviceInfo( PaDeviceID id ) -{ - /* stub */ - return NULL; -} - -/*************************************************************************/ -int Pa_CountDevices() -{ - /* stub */ - return 1; -} - -/*************************************************************************/ -PaError PaHost_Init( void ) -{ - /* we have to create this in order to use BMediaRoster. I hope it doesn't - * cause problems */ - be_app = new BApplication("application/x-vnd.portaudio-app"); - - return paNoError; -} - -PaError PaHost_Term( void ) -{ - delete be_app; - return paNoError; -} - -/*************************************************************************/ -PaError PaHost_StreamActive( internalPortAudioStream *past ) -{ - PaHostSoundControl *pahsc = (PaHostSoundControl *)past->past_DeviceData; - DBUG(("IsRunning returning: %s\n", - pahsc->pahsc_InputNodeInstance->IsRunning() ? "true" : "false")); - - return (PaError)pahsc->pahsc_InputNodeInstance->IsRunning(); -} - -PaError PaHost_StartOutput( internalPortAudioStream *past ) -{ - return paNoError; -} - -/*************************************************************************/ -PaError PaHost_StartInput( internalPortAudioStream *past ) -{ - return paNoError; -} - -/*************************************************************************/ -PaError PaHost_StopInput( internalPortAudioStream *past, int abort ) -{ - return paNoError; -} - -/*************************************************************************/ -PaError PaHost_StopOutput( internalPortAudioStream *past, int abort ) -{ - return paNoError; -} - - -/*************************************************************************/ -PaError PaHost_StartEngine( internalPortAudioStream *past ) -{ - bigtime_t very_soon, start_latency; - status_t err; - BMediaRoster *roster = BMediaRoster::Roster(&err); - PaHostSoundControl *pahsc = (PaHostSoundControl *)past->past_DeviceData; - - /* for some reason, err indicates an error (though nothing it wrong) - * when the DBUG macro in pa_lib.c is enabled. It's reproducably - * linked. Weird. */ - if( !roster /* || err != B_OK */ ) - { - DBUG(("No media server! err=%d, roster=%x\n", err, roster)); - return paHostError; - } - - /* tell the node when to start -- since there aren't any other nodes - * starting that we have to wait for, just tell it to start now - */ - - BTimeSource *timeSource = roster->MakeTimeSourceFor(pahsc->pahsc_TimeSource); - very_soon = timeSource->PerformanceTimeFor( BTimeSource::RealTime() ); - timeSource->Release(); - - /* Add the latency of starting the network of nodes */ - err = roster->GetStartLatencyFor( pahsc->pahsc_TimeSource, &start_latency ); - very_soon += start_latency; - - err = roster->StartNode( pahsc->pahsc_InputNode, very_soon ); - /* No need to start the mixer -- it's always running */ - - return paNoError; -} - - -/*************************************************************************/ -PaError PaHost_StopEngine( internalPortAudioStream *past, int abort ) -{ - PaHostSoundControl *pahsc = (PaHostSoundControl *)past->past_DeviceData; - BMediaRoster *roster = BMediaRoster::Roster(); - - if( !roster ) - { - DBUG(("No media roster!\n")); - return paHostError; - } - - if( !pahsc ) - return paHostError; - - /* this crashes, and I don't know why yet */ - // if( abort ) - // pahsc->pahsc_InputNodeInstance->mAborted = true; - - roster->StopNode(pahsc->pahsc_InputNode, 0, /* immediate = */ true); - - return paNoError; -} - - -/*************************************************************************/ -PaError PaHost_OpenStream( internalPortAudioStream *past ) -{ - status_t err; - BMediaRoster *roster = BMediaRoster::Roster(&err); - PaHostSoundControl *pahsc; - - /* Allocate and initialize host data. */ - pahsc = (PaHostSoundControl *) PaHost_AllocateFastMemory(sizeof(PaHostSoundControl)); - if( pahsc == NULL ) - { - goto error; - } - memset( pahsc, 0, sizeof(PaHostSoundControl) ); - past->past_DeviceData = (void *) pahsc; - - if( !roster /* || err != B_OK */ ) - { - /* no media server! */ - DBUG(("No media server.\n")); - goto error; - } - - if ( past->past_NumInputChannels > 0 && past->past_NumOutputChannels > 0 ) - { - /* filter -- not implemented yet */ - goto error; - } - else if ( past->past_NumInputChannels > 0 ) - { - /* recorder -- not implemented yet */ - goto error; - } - else - { - /* player ****************************************************************/ - - status_t err; - int32 num; - - /* First we need to create the three components (like components in a stereo - * system). The mixer component is our interface to the sound card, data - * we write there will get played. The BePA_InputNode component is the node - * which represents communication with the PA client (it is what calls the - * client's callbacks). The time source component is the sound card's DAC, - * which allows us to slave the other components to it instead of the system - * clock. */ - err = roster->GetAudioMixer( &pahsc->pahsc_OutputNode ); - if( err != B_OK ) - { - DBUG(("Couldn't get default mixer.\n")); - goto error; - } - - err = roster->GetTimeSource( &pahsc->pahsc_TimeSource ); - if( err != B_OK ) - { - DBUG(("Couldn't get time source.\n")); - goto error; - } - - pahsc->pahsc_InputNodeInstance = new PaPlaybackNode(2, 44100, - past->past_FramesPerUserBuffer, past->past_Callback, past->past_UserData ); - pahsc->pahsc_InputNodeInstance->SetSampleFormat(0, - past->past_OutputSampleFormat); - err = roster->RegisterNode( pahsc->pahsc_InputNodeInstance ); - if( err != B_OK ) - { - DBUG(("Unable to register node.\n")); - goto error; - } - - roster->GetNodeFor( pahsc->pahsc_InputNodeInstance->Node().node, - &pahsc->pahsc_InputNode ); - if( err != B_OK ) - { - DBUG(("Unable to get input node.\n")); - goto error; - } - - /* Now we have three components (nodes) sitting next to each other. The - * next step is to look at them and find their inputs and outputs so we can - * wire them together. */ - err = roster->GetFreeInputsFor( pahsc->pahsc_OutputNode, - &pahsc->pahsc_MixerInput, 1, &num, B_MEDIA_RAW_AUDIO ); - if( err != B_OK || num < 1 ) - { - DBUG(("Couldn't get the mixer input.\n")); - goto error; - } - - err = roster->GetFreeOutputsFor( pahsc->pahsc_InputNode, - &pahsc->pahsc_PaOutput, 1, &num, B_MEDIA_RAW_AUDIO ); - if( err != B_OK || num < 1 ) - { - DBUG(("Couldn't get PortAudio output.\n")); - goto error; - } - - - /* We've found the input and output -- the final step is to run a wire - * between them so they are connected. */ - - /* try to make the mixer input adapt to what PA sends it */ - pahsc->pahsc_Format = pahsc->pahsc_PaOutput.format; - roster->Connect( pahsc->pahsc_PaOutput.source, - pahsc->pahsc_MixerInput.destination, &pahsc->pahsc_Format, - &pahsc->pahsc_PaOutput, &pahsc->pahsc_MixerInput ); - - - /* Actually, there's one final step -- tell them all to sync to the - * sound card's DAC */ - roster->SetTimeSourceFor( pahsc->pahsc_InputNode.node, - pahsc->pahsc_TimeSource.node ); - roster->SetTimeSourceFor( pahsc->pahsc_OutputNode.node, - pahsc->pahsc_TimeSource.node ); - - } - - return paNoError; - -error: - PaHost_CloseStream( past ); - return paHostError; -} - -/*************************************************************************/ -PaError PaHost_CloseStream( internalPortAudioStream *past ) -{ - PaHostSoundControl *pahsc = (PaHostSoundControl *)past->past_DeviceData; - status_t err; - BMediaRoster *roster = BMediaRoster::Roster(&err); - - if( !roster ) - { - DBUG(("Couldn't get media roster\n")); - return paHostError; - } - - if( !pahsc ) - return paHostError; - - /* Disconnect all the connections we made when opening the stream */ - - roster->Disconnect(pahsc->pahsc_InputNode.node, pahsc->pahsc_PaOutput.source, - pahsc->pahsc_OutputNode.node, pahsc->pahsc_MixerInput.destination); - - DBUG(("Calling ReleaseNode()")); - roster->ReleaseNode(pahsc->pahsc_InputNode); - - /* deleting the node shouldn't be necessary -- it is reference counted, and will - * delete itself when its references drop to zero. the call to ReleaseNode() - * above should decrease its reference count */ - pahsc->pahsc_InputNodeInstance = NULL; - - return paNoError; -} - -/*************************************************************************/ -PaTimestamp Pa_StreamTime( PortAudioStream *stream ) -{ - internalPortAudioStream *past = (internalPortAudioStream *) stream; - PaHostSoundControl *pahsc = (PaHostSoundControl *)past->past_DeviceData; - - return pahsc->pahsc_InputNodeInstance->GetStreamTime(); -} - -/*************************************************************************/ -void Pa_Sleep( long msec ) -{ - /* snooze() takes microseconds */ - snooze( msec * 1000 ); -} - -/************************************************************************* - * Allocate memory that can be accessed in real-time. - * This may need to be held in physical memory so that it is not - * paged to virtual memory. - * This call MUST be balanced with a call to PaHost_FreeFastMemory(). - * Memory will be set to zero. - */ -void *PaHost_AllocateFastMemory( long numBytes ) -{ - /* BeOS supports non-pagable memory through pools -- a pool is an area - * of physical memory that is locked. It would be best to pre-allocate - * that pool and then hand out memory from it, but we don't know in - * advance how much we'll need. So for now, we'll allocate a pool - * for every request we get, storing a pointer to the pool at the - * beginning of the allocated memory */ - rtm_pool *pool; - void *addr; - long size = numBytes + sizeof(rtm_pool *); - static int counter = 0; - char pool_name[100]; - - /* Every pool needs a unique name. */ - sprintf(pool_name, "PaPoolNumber%d", counter++); - - if( rtm_create_pool( &pool, size, pool_name ) != B_OK ) - return 0; - - addr = rtm_alloc( pool, size ); - if( addr == NULL ) - return 0; - - memset( addr, 0, numBytes ); - *((rtm_pool **)addr) = pool; // store the pointer to the pool - addr = (rtm_pool **)addr + 1; // and return the next location in memory - - return addr; -} - -/************************************************************************* - * Free memory that could be accessed in real-time. - * This call MUST be balanced with a call to PaHost_AllocateFastMemory(). - */ -void PaHost_FreeFastMemory( void *addr, long numBytes ) -{ - rtm_pool *pool; - - if( addr == NULL ) - return; - - addr = (rtm_pool **)addr - 1; - pool = *((rtm_pool **)addr); - - rtm_free( addr ); - rtm_delete_pool( pool ); -} diff --git a/portaudio-v19/pa_dll_switch/PaDllEntry.h b/portaudio-v19/pa_dll_switch/PaDllEntry.h deleted file mode 100644 index e070054b3..000000000 --- a/portaudio-v19/pa_dll_switch/PaDllEntry.h +++ /dev/null @@ -1,184 +0,0 @@ - -/* - * PortAudio Portable Real-Time Audio Library - * PortAudio DLL 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. - * - */ - -// changed by zplane.developement in order to generate a DLL - -#ifndef __PADLLENTRY_HEADER_INCLUDED__ - -#define __PADLLENTRY_HEADER_INCLUDED__ - -typedef int PaError; -typedef enum { - paNoError = 0, - - paHostError = -10000, - paInvalidChannelCount, - paInvalidSampleRate, - paInvalidDeviceId, - paInvalidFlag, - paSampleFormatNotSupported, - paBadIODeviceCombination, - paInsufficientMemory, - paBufferTooBig, - paBufferTooSmall, - paNullCallback, - paBadStreamPtr, - paTimedOut, - paInternalError -} PaErrorNum; - -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)) /* unsigned 8 bit, 128 is "ground" */ -#define paCustomFormat ((PaSampleFormat) (1<<16)) - - -typedef int PaDeviceID; -#define paNoDevice -1 - -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; - - -typedef double PaTimestamp; - - -typedef int (PortAudioCallback)( - void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - PaTimestamp outTime, void *userData ); - - -#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; - -typedef void PortAudioStream; -#define PaStream PortAudioStream - -extern PaError (__cdecl* Pa_Initialize)( void ); - - - -extern PaError (__cdecl* Pa_Terminate)( void ); - - -extern long (__cdecl* Pa_GetHostError)( void ); - - -extern const char* (__cdecl* Pa_GetErrorText)( PaError ); - - - -extern int (__cdecl* Pa_CountDevices)(void); - -extern PaDeviceID (__cdecl* Pa_GetDefaultInputDeviceID)( void ); - -extern PaDeviceID (__cdecl* Pa_GetDefaultOutputDeviceID)( void ); - - -extern const PaDeviceInfo* (__cdecl* Pa_GetDeviceInfo)( PaDeviceID); - - - -extern PaError (__cdecl* Pa_OpenStream)( - PortAudioStream ** , - PaDeviceID , - int , - PaSampleFormat , - void *, - PaDeviceID , - int , - PaSampleFormat , - void *, - double , - unsigned long , - unsigned long , - unsigned long , - PortAudioCallback *, - void * ); - - - -extern PaError (__cdecl* Pa_OpenDefaultStream)( PortAudioStream** stream, - int numInputChannels, - int numOutputChannels, - PaSampleFormat sampleFormat, - double sampleRate, - unsigned long framesPerBuffer, - unsigned long numberOfBuffers, - PortAudioCallback *callback, - void *userData ); - - -extern PaError (__cdecl* Pa_CloseStream)( PortAudioStream* ); - - -extern PaError (__cdecl* Pa_StartStream)( PortAudioStream *stream ); - -extern PaError (__cdecl* Pa_StopStream)( PortAudioStream *stream ); - -extern PaError (__cdecl* Pa_AbortStream)( PortAudioStream *stream ); - -extern PaError (__cdecl* Pa_StreamActive)( PortAudioStream *stream ); - -extern PaTimestamp (__cdecl* Pa_StreamTime)( PortAudioStream *stream ); - -extern double (__cdecl* Pa_GetCPULoad)( PortAudioStream* stream ); - -extern int (__cdecl* Pa_GetMinNumBuffers)( int framesPerBuffer, double sampleRate ); - -extern void (__cdecl* Pa_Sleep)( long msec ); - -extern PaError (__cdecl* Pa_GetSampleSize)( PaSampleFormat format ); - -#endif // __PADLLENTRY_HEADER_INCLUDED__ - diff --git a/portaudio-v19/pa_dll_switch/letter_from_tim_010817.txt b/portaudio-v19/pa_dll_switch/letter_from_tim_010817.txt deleted file mode 100644 index a535cd1da..000000000 Binary files a/portaudio-v19/pa_dll_switch/letter_from_tim_010817.txt and /dev/null differ diff --git a/portaudio-v19/pa_dll_switch/loadPA_DLL.cpp b/portaudio-v19/pa_dll_switch/loadPA_DLL.cpp deleted file mode 100644 index 043eda878..000000000 --- a/portaudio-v19/pa_dll_switch/loadPA_DLL.cpp +++ /dev/null @@ -1,203 +0,0 @@ -////////////////////////////////////////////////////////////////////////// - - -HINSTANCE pPaDll; - -/* - the function pointers to the PortAudio DLLs -*/ - -PaError (__cdecl* Pa_Initialize)( void ); - - - -PaError (__cdecl* Pa_Terminate)( void ); - - -long (__cdecl* Pa_GetHostError)( void ); - - -const char* (__cdecl* Pa_GetErrorText)( PaError ); - - -int (__cdecl* Pa_CountDevices)(void); - -PaDeviceID (__cdecl* Pa_GetDefaultInputDeviceID)( void ); - -PaDeviceID (__cdecl* Pa_GetDefaultOutputDeviceID)( void ); - - -const PaDeviceInfo* (__cdecl* Pa_GetDeviceInfo)( PaDeviceID); - - - -PaError (__cdecl* Pa_OpenStream)( - PortAudioStream ** , - PaDeviceID , - int , - PaSampleFormat , - void *, - PaDeviceID , - int , - PaSampleFormat , - void *, - double , - unsigned long , - unsigned long , - unsigned long , - PortAudioCallback *, - void * ); - - - -PaError (__cdecl* Pa_OpenDefaultStream)( PortAudioStream** stream, - int numInputChannels, - int numOutputChannels, - PaSampleFormat sampleFormat, - double sampleRate, - unsigned long framesPerBuffer, - unsigned long numberOfBuffers, - PortAudioCallback *callback, - void *userData ); - - -PaError (__cdecl* Pa_CloseStream)( PortAudioStream* ); - - -PaError (__cdecl* Pa_StartStream)( PortAudioStream *stream ); - -PaError (__cdecl* Pa_StopStream)( PortAudioStream *stream ); - -PaError (__cdecl* Pa_AbortStream)( PortAudioStream *stream ); - -PaError (__cdecl* Pa_StreamActive)( PortAudioStream *stream ); - -PaTimestamp (__cdecl* Pa_StreamTime)( PortAudioStream *stream ); - -double (__cdecl* Pa_GetCPULoad)( PortAudioStream* stream ); - -int (__cdecl* Pa_GetMinNumBuffers)( int framesPerBuffer, double sampleRate ); - -void (__cdecl* Pa_Sleep)( long msec ); - -PaError (__cdecl* Pa_GetSampleSize)( PaSampleFormat format ); - - -////////////////////////////////////////////////////////////////////////// - -... - -ZERROR AudioEngine::DirectXSupport(ZBOOL bSupDX) -{ - if (bSupDX) - if (CheckForDirectXSupport()) - bSupportDirectX = _TRUE; - else - return _NO_SOUND; - else - bSupportDirectX = _FALSE; - return _NO_ERROR; -} - - - -ZBOOL AudioEngine::CheckForDirectXSupport() -{ - HMODULE pTestDXLib; - FARPROC pFunctionality; - - pTestDXLib=LoadLibrary("DSOUND"); - if (pTestDXLib!=NULL) // check if there is a DirectSound - { - pFunctionality = GetProcAddress(pTestDXLib, (char*) 7); - if (pFunctionality!=NULL) - { - FreeLibrary(pTestDXLib); - return _TRUE; - } - else - { - FreeLibrary(pTestDXLib); - return _FALSE; - } - } - else - return _FALSE; -} - - -ZERROR AudioEngine::LoadPALib() -{ -#ifdef _DEBUG - if (bSupportDirectX) - pPaDll = LoadLibrary("PA_DXD"); - else - pPaDll = LoadLibrary("PA_MMED"); -#else - if (bSupportDirectX) - pPaDll = LoadLibrary("PA_DX"); - else - pPaDll = LoadLibrary("PA_MME"); -#endif - if (pPaDll!=NULL) - { - - Pa_Initialize = (int (__cdecl*)(void))GetProcAddress(pPaDll,"Pa_Initialize"); - Pa_Terminate = (int (__cdecl*)(void))GetProcAddress(pPaDll,"Pa_Terminate"); - Pa_GetHostError = (long (__cdecl* )( void )) GetProcAddress(pPaDll,"Pa_GetHostError"); - Pa_GetErrorText = (const char* (__cdecl* )( PaError )) GetProcAddress(pPaDll,"Pa_GetErrorText"); - Pa_CountDevices = (int (__cdecl*)(void))GetProcAddress(pPaDll,"Pa_CountDevices"); - Pa_GetDefaultInputDeviceID = (int (__cdecl*)(void))GetProcAddress(pPaDll,"Pa_GetDefaultInputDeviceID"); - Pa_GetDefaultOutputDeviceID = (int (__cdecl*)(void))GetProcAddress(pPaDll,"Pa_GetDefaultOutputDeviceID"); - Pa_GetDeviceInfo = (const PaDeviceInfo* (__cdecl* )( PaDeviceID)) GetProcAddress(pPaDll,"Pa_GetDeviceInfo"); - Pa_OpenStream = ( PaError (__cdecl* )( - PortAudioStream ** , - PaDeviceID , - int , - PaSampleFormat , - void *, - PaDeviceID , - int , - PaSampleFormat , - void *, - double , - unsigned long , - unsigned long , - unsigned long , - PortAudioCallback *, - void * )) GetProcAddress(pPaDll,"Pa_OpenStream"); - - Pa_OpenDefaultStream = (PaError (__cdecl* )( PortAudioStream** , - int , - int , - PaSampleFormat , - double , - unsigned long , - unsigned long , - PortAudioCallback *, - void * )) GetProcAddress(pPaDll,"Pa_OpenDefaultStream"); - Pa_CloseStream = (PaError (__cdecl* )( PortAudioStream* )) GetProcAddress(pPaDll,"Pa_CloseStream"); - Pa_StartStream = (PaError (__cdecl* )( PortAudioStream* )) GetProcAddress(pPaDll,"Pa_StartStream"); - Pa_StopStream = (PaError (__cdecl* )( PortAudioStream* ))GetProcAddress(pPaDll,"Pa_StopStream"); - Pa_AbortStream = (PaError (__cdecl* )( PortAudioStream* )) GetProcAddress(pPaDll,"Pa_AbortStream"); - Pa_StreamActive = (PaError (__cdecl* )( PortAudioStream* )) GetProcAddress(pPaDll,"Pa_StreamActive"); - Pa_StreamTime = (PaTimestamp (__cdecl* )( PortAudioStream *))GetProcAddress(pPaDll,"Pa_StreamTime"); - Pa_GetCPULoad = (double (__cdecl* )( PortAudioStream* ))GetProcAddress(pPaDll,"Pa_GetCPULoad"); - Pa_GetMinNumBuffers = (int (__cdecl* )( int , double )) GetProcAddress(pPaDll,"Pa_GetMinNumBuffers"); - Pa_Sleep = (void (__cdecl* )( long )) GetProcAddress(pPaDll,"Pa_Sleep"); - Pa_GetSampleSize = (PaError (__cdecl* )( PaSampleFormat )) GetProcAddress(pPaDll,"Pa_GetSampleSize"); - - return _NO_ERROR; - } - else - return _DLL_NOT_FOUND; -} - -ZERROR AudioEngine::UnLoadPALib() -{ - if (pPaDll!=NULL) - FreeLibrary(pPaDll); - return _NO_ERROR; -} - -... diff --git a/portaudio-v19/pa_dll_switch/pa_lib.c b/portaudio-v19/pa_dll_switch/pa_lib.c deleted file mode 100644 index 86601592c..000000000 --- a/portaudio-v19/pa_dll_switch/pa_lib.c +++ /dev/null @@ -1,827 +0,0 @@ -/* - * Portable Audio I/O Library - * Host Independant Layer - * - * Based on the Open Source API proposed by Ross Bencina - * Copyright (c) 1999-2000 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. - * - */ - -/* Modification History: - PLB20010422 - apply Mike Berry's changes for CodeWarrior on PC -*/ - -#include -#include -#include -#include - -/* PLB20010422 - "memory.h" doesn't work on CodeWarrior for PC. Thanks Mike Berry for the mod. */ -#ifdef _WIN32 -#ifndef __MWERKS__ -#include -#endif /* __MWERKS__ */ -#else /* !_WIN32 */ -#include -#endif /* _WIN32 */ - -#include "portaudio.h" -#include "pa_host.h" -#include "pa_trace.h" - -/* The reason we might NOT want to validate the rate before opening the stream - * is because many DirectSound drivers lie about the rates they actually support. - */ -#define PA_VALIDATE_RATE (0) /* If true validate sample rate against driver info. */ - -/* -O- maybe not allocate past_InputBuffer and past_OutputBuffer if not needed for conversion -*/ - -#ifndef FALSE - #define FALSE (0) - #define TRUE (!FALSE) -#endif - -#define PRINT(x) { printf x; fflush(stdout); } -#define ERR_RPT(x) PRINT(x) -#define DBUG(x) /* PRINT(x) */ -#define DBUGX(x) /* PRINT(x) */ - -static int gInitCount = 0; /* Count number of times Pa_Initialize() called to allow nesting and overlapping. */ - -static PaError Pa_KillStream( PortAudioStream *stream, int abort ); - -/***********************************************************************/ -int PaHost_FindClosestTableEntry( double allowableError, const double *rateTable, int numRates, double frameRate ) -{ - double err, minErr = allowableError; - int i, bestFit = -1; - - for( i=0; inumSampleRates == -1 ) - { - /* Is it out of range? */ - if( (requestedFrameRate < pdi->sampleRates[0]) || - (requestedFrameRate > pdi->sampleRates[1]) ) - { - return paInvalidSampleRate; - } - - *closestFrameRatePtr = requestedFrameRate; - } - else - { - bestRateIndex = PaHost_FindClosestTableEntry( 1.0, pdi->sampleRates, pdi->numSampleRates, requestedFrameRate ); - if( bestRateIndex < 0 ) return paInvalidSampleRate; - *closestFrameRatePtr = pdi->sampleRates[bestRateIndex]; - } - return paNoError; -} - -/*************************************************************************/ -DLL_API PaError Pa_OpenStream( - PortAudioStream** streamPtrPtr, - PaDeviceID inputDeviceID, - int numInputChannels, - PaSampleFormat inputSampleFormat, - void *inputDriverInfo, - PaDeviceID outputDeviceID, - int numOutputChannels, - PaSampleFormat outputSampleFormat, - void *outputDriverInfo, - double sampleRate, - unsigned long framesPerBuffer, - unsigned long numberOfBuffers, - unsigned long streamFlags, - PortAudioCallback *callback, - void *userData ) -{ - internalPortAudioStream *past = NULL; - PaError result = paNoError; - int bitsPerInputSample; - int bitsPerOutputSample; - /* Print passed parameters. */ - DBUG(("Pa_OpenStream( %p, %d, %d, %d, %p, /* input */ \n", - streamPtrPtr, inputDeviceID, numInputChannels, - inputSampleFormat, inputDriverInfo )); - DBUG((" %d, %d, %d, %p, /* output */\n", - outputDeviceID, numOutputChannels, - outputSampleFormat, outputDriverInfo )); - DBUG((" %g, %d, %d, 0x%x, , %p )\n", - sampleRate, framesPerBuffer, numberOfBuffers, - streamFlags, userData )); - - /* Check for parameter errors. */ - if( (streamFlags & ~(paClipOff | paDitherOff)) != 0 ) return paInvalidFlag; - if( streamPtrPtr == NULL ) return paBadStreamPtr; - if( inputDriverInfo != NULL ) return paHostError; /* REVIEW */ - if( outputDriverInfo != NULL ) return paHostError; /* REVIEW */ - if( (inputDeviceID < 0) && ( outputDeviceID < 0) ) return paInvalidDeviceId; - if( (outputDeviceID >= Pa_CountDevices()) || (inputDeviceID >= Pa_CountDevices()) ) return paInvalidDeviceId; - if( (numInputChannels <= 0) && ( numOutputChannels <= 0) ) return paInvalidChannelCount; - -#if SUPPORT_AUDIO_CAPTURE - if( inputDeviceID >= 0 ) - { - PaError size = Pa_GetSampleSize( inputSampleFormat ); - if( size < 0 ) return size; - bitsPerInputSample = 8 * size; - if( (numInputChannels <= 0) ) return paInvalidChannelCount; - } -#else - if( inputDeviceID >= 0 ) - { - return paInvalidChannelCount; - } -#endif /* SUPPORT_AUDIO_CAPTURE */ - else - { - if( numInputChannels > 0 ) return paInvalidChannelCount; - bitsPerInputSample = 0; - } - - if( outputDeviceID >= 0 ) - { - PaError size = Pa_GetSampleSize( outputSampleFormat ); - if( size < 0 ) return size; - bitsPerOutputSample = 8 * size; - if( (numOutputChannels <= 0) ) return paInvalidChannelCount; - } - else - { - if( numOutputChannels > 0 ) return paInvalidChannelCount; - bitsPerOutputSample = 0; - } - - if( callback == NULL ) return paNullCallback; - - /* Allocate and clear stream structure. */ - past = (internalPortAudioStream *) PaHost_AllocateFastMemory( sizeof(internalPortAudioStream) ); - if( past == NULL ) return paInsufficientMemory; - memset( past, 0, sizeof(internalPortAudioStream) ); - AddTraceMessage("Pa_OpenStream: past", (long) past ); - - past->past_Magic = PA_MAGIC; /* Set ID to catch bugs. */ - past->past_FramesPerUserBuffer = framesPerBuffer; - past->past_NumUserBuffers = numberOfBuffers; /* NOTE - PaHost_OpenStream() NMUST CHECK FOR ZERO! */ - past->past_Callback = callback; - past->past_UserData = userData; - past->past_OutputSampleFormat = outputSampleFormat; - past->past_InputSampleFormat = inputSampleFormat; - past->past_OutputDeviceID = outputDeviceID; - past->past_InputDeviceID = inputDeviceID; - past->past_NumInputChannels = numInputChannels; - past->past_NumOutputChannels = numOutputChannels; - past->past_Flags = streamFlags; - - /* Check for absurd sample rates. */ - if( (sampleRate < 1000.0) || (sampleRate > 200000.0) ) - { - result = paInvalidSampleRate; - goto cleanup; - } - - /* Allocate buffers that may be used for format conversion from user to native buffers. */ - if( numInputChannels > 0 ) - { - -#if PA_VALIDATE_RATE - result = PaHost_ValidateSampleRate( inputDeviceID, sampleRate, &past->past_SampleRate ); - if( result < 0 ) - { - goto cleanup; - } -#else - past->past_SampleRate = sampleRate; -#endif - /* Allocate single Input buffer. */ - past->past_InputBufferSize = framesPerBuffer * numInputChannels * ((bitsPerInputSample+7) / 8); - past->past_InputBuffer = PaHost_AllocateFastMemory(past->past_InputBufferSize); - if( past->past_InputBuffer == NULL ) - { - result = paInsufficientMemory; - goto cleanup; - } - } - else - { - past->past_InputBuffer = NULL; - } - - /* Allocate single Output buffer. */ - if( numOutputChannels > 0 ) - { -#if PA_VALIDATE_RATE - result = PaHost_ValidateSampleRate( outputDeviceID, sampleRate, &past->past_SampleRate ); - if( result < 0 ) - { - goto cleanup; - } -#else - past->past_SampleRate = sampleRate; -#endif - past->past_OutputBufferSize = framesPerBuffer * numOutputChannels * ((bitsPerOutputSample+7) / 8); - past->past_OutputBuffer = PaHost_AllocateFastMemory(past->past_OutputBufferSize); - if( past->past_OutputBuffer == NULL ) - { - result = paInsufficientMemory; - goto cleanup; - } - } - else - { - past->past_OutputBuffer = NULL; - } - - result = PaHost_OpenStream( past ); - if( result < 0 ) goto cleanup; - - *streamPtrPtr = (void *) past; - - return result; - -cleanup: - if( past != NULL ) Pa_CloseStream( past ); - *streamPtrPtr = NULL; - return result; -} - - -/*************************************************************************/ -DLL_API PaError Pa_OpenDefaultStream( PortAudioStream** stream, - int numInputChannels, - int numOutputChannels, - PaSampleFormat sampleFormat, - double sampleRate, - unsigned long framesPerBuffer, - unsigned long numberOfBuffers, - PortAudioCallback *callback, - void *userData ) -{ - return Pa_OpenStream( - stream, - ((numInputChannels > 0) ? Pa_GetDefaultInputDeviceID() : paNoDevice), - numInputChannels, sampleFormat, NULL, - ((numOutputChannels > 0) ? Pa_GetDefaultOutputDeviceID() : paNoDevice), - numOutputChannels, sampleFormat, NULL, - sampleRate, framesPerBuffer, numberOfBuffers, paNoFlag, callback, userData ); -} - -/*************************************************************************/ -DLL_API PaError Pa_CloseStream( PortAudioStream* stream) -{ - PaError result; - internalPortAudioStream *past; - - DBUG(("Pa_CloseStream()\n")); - if( stream == NULL ) return paBadStreamPtr; - past = (internalPortAudioStream *) stream; - - Pa_AbortStream( past ); - result = PaHost_CloseStream( past ); - - if( past->past_InputBuffer ) PaHost_FreeFastMemory( past->past_InputBuffer, past->past_InputBufferSize ); - if( past->past_OutputBuffer ) PaHost_FreeFastMemory( past->past_OutputBuffer, past->past_OutputBufferSize ); - PaHost_FreeFastMemory( past, sizeof(internalPortAudioStream) ); - - return result; -} - -/*************************************************************************/ -DLL_API PaError Pa_StartStream( PortAudioStream *stream ) -{ - PaError result = paHostError; - internalPortAudioStream *past; - - if( stream == NULL ) return paBadStreamPtr; - past = (internalPortAudioStream *) stream; - - past->past_FrameCount = 0.0; - - if( past->past_NumInputChannels > 0 ) - { - result = PaHost_StartInput( past ); - DBUG(("Pa_StartStream: PaHost_StartInput returned = 0x%X.\n", result)); - if( result < 0 ) goto error; - } - - if( past->past_NumOutputChannels > 0 ) - { - result = PaHost_StartOutput( past ); - DBUG(("Pa_StartStream: PaHost_StartOutput returned = 0x%X.\n", result)); - if( result < 0 ) goto error; - } - - result = PaHost_StartEngine( past ); - DBUG(("Pa_StartStream: PaHost_StartEngine returned = 0x%X.\n", result)); - if( result < 0 ) goto error; - - return paNoError; - -error: - return result; -} - -/*************************************************************************/ -DLL_API PaError Pa_StopStream( PortAudioStream *stream ) -{ - return Pa_KillStream( stream, 0 ); -} - -/*************************************************************************/ -DLL_API PaError Pa_AbortStream( PortAudioStream *stream ) -{ - return Pa_KillStream( stream, 1 ); -} - -/*************************************************************************/ -static PaError Pa_KillStream( PortAudioStream *stream, int abort ) -{ - PaError result = paNoError; - internalPortAudioStream *past; - - DBUG(("Pa_StopStream().\n")); - if( stream == NULL ) return paBadStreamPtr; - past = (internalPortAudioStream *) stream; - - if( (past->past_NumInputChannels > 0) || (past->past_NumOutputChannels > 0) ) - { - result = PaHost_StopEngine( past, abort ); - DBUG(("Pa_StopStream: PaHost_StopEngine returned = 0x%X.\n", result)); - if( result < 0 ) goto error; - } - - if( past->past_NumInputChannels > 0 ) - { - result = PaHost_StopInput( past, abort ); - DBUG(("Pa_StopStream: PaHost_StopInput returned = 0x%X.\n", result)); - if( result != paNoError ) goto error; - } - - if( past->past_NumOutputChannels > 0 ) - { - result = PaHost_StopOutput( past, abort ); - DBUG(("Pa_StopStream: PaHost_StopOutput returned = 0x%X.\n", result)); - if( result != paNoError ) goto error; - } - -error: - past->past_Usage = 0; - past->past_IfLastExitValid = 0; - - return result; -} - -/*************************************************************************/ -DLL_API PaError Pa_StreamActive( PortAudioStream *stream ) -{ - internalPortAudioStream *past; - if( stream == NULL ) return paBadStreamPtr; - past = (internalPortAudioStream *) stream; - return PaHost_StreamActive( past ); -} - -/*************************************************************************/ -DLL_API const char *Pa_GetErrorText( PaError errnum ) -{ - const char *msg; - - switch(errnum) - { - case paNoError: msg = "Success"; break; - case paHostError: msg = "Host error."; break; - case paInvalidChannelCount: msg = "Invalid number of channels."; break; - case paInvalidSampleRate: msg = "Invalid sample rate."; break; - case paInvalidDeviceId: msg = "Invalid device ID."; break; - case paInvalidFlag: msg = "Invalid flag."; break; - case paSampleFormatNotSupported: msg = "Sample format not supported"; break; - case paBadIODeviceCombination: msg = "Illegal combination of I/O devices."; break; - case paInsufficientMemory: msg = "Insufficient memory."; break; - case paBufferTooBig: msg = "Buffer too big."; break; - case paBufferTooSmall: msg = "Buffer too small."; break; - case paNullCallback: msg = "No callback routine specified."; break; - case paBadStreamPtr: msg = "Invalid stream pointer."; break; - case paTimedOut : msg = "Wait Timed Out."; break; - case paInternalError: msg = "Internal PortAudio Error."; break; - default: msg = "Illegal error number."; break; - } - return msg; -} - -/* - Get CPU Load as a fraction of total CPU time. - A value of 0.5 would imply that PortAudio and the sound generating - callback was consuming roughly 50% of the available CPU time. - The amount may vary depending on CPU load. - This function may be called from the callback function. -*/ -DLL_API double Pa_GetCPULoad( PortAudioStream* stream) -{ - internalPortAudioStream *past; - if( stream == NULL ) return (double) paBadStreamPtr; - past = (internalPortAudioStream *) stream; - return past->past_Usage; -} - -/************************************************************* -** Calculate 2 LSB dither signal with a triangular distribution. -** Ranged properly for adding to a 32 bit integer prior to >>15. -*/ -#define DITHER_BITS (15) -#define DITHER_SCALE (1.0f / ((1<>(32-DITHER_BITS)) + (((long)randSeed2)>>(32-DITHER_BITS)); - /* High pass filter to reduce audibility. */ - highPass = current - previous; - previous = current; - return highPass; -} - -/************************************************************************* -** Called by host code. -** Convert input from Int16, call user code, then convert output -** to Int16 format for native use. -** Assumes host native format is paInt16. -** Returns result from user callback. -*/ -long Pa_CallConvertInt16( internalPortAudioStream *past, - short *nativeInputBuffer, - short *nativeOutputBuffer ) -{ - long temp; - long bytesEmpty = 0; - long bytesFilled = 0; - int userResult; - unsigned int i; - void *inputBuffer = NULL; - void *outputBuffer = NULL; - -#if SUPPORT_AUDIO_CAPTURE - /* Get native data from DirectSound. */ - if( (past->past_NumInputChannels > 0) && (nativeInputBuffer != NULL) ) - { - /* Convert from native format to PA format. */ - unsigned int samplesPerBuffer = past->past_FramesPerUserBuffer * past->past_NumInputChannels; - switch(past->past_InputSampleFormat) - { - - case paFloat32: - { - float *inBufPtr = (float *) past->past_InputBuffer; - inputBuffer = past->past_InputBuffer; - for( i=0; ipast_InputBuffer; - inputBuffer = past->past_InputBuffer; - for( i=0; ipast_InputBuffer; - inputBuffer = past->past_InputBuffer; - if( past->past_Flags & paDitherOff ) - { - for( i=0; i> 8); - } - } - else - { - for( i=0; i> 7; - temp = ((temp < -0x8000) ? -0x8000 : ((temp > 0x7FFF) ? 0x7FFF : temp)); - inBufPtr[i] = (char)(temp >> 8); - } - } - break; - } - - case paUInt8: - { - /* Convert 16 bit data to 8 bit unsigned chars */ - unsigned char *inBufPtr = (unsigned char *) past->past_InputBuffer; - inputBuffer = past->past_InputBuffer; - if( past->past_Flags & paDitherOff ) - { - for( i=0; i> 8)) + 0x80; - } - } - else - { - /* If you dither then you have to clip because dithering could push the signal out of range! */ - for( i=0; i> 7; - temp = ((temp < -0x8000) ? -0x8000 : ((temp > 0x7FFF) ? 0x7FFF : temp)); - inBufPtr[i] = (unsigned char)(temp + 0x80); - } - } - break; - } - - default: - break; - } - } -#endif /* SUPPORT_AUDIO_CAPTURE */ - - /* Are we doing output time? */ - if( (past->past_NumOutputChannels > 0) && (nativeOutputBuffer != NULL) ) - { - /* May already be in native format so just write directly to native buffer. */ - outputBuffer = (past->past_OutputSampleFormat == paInt16) ? - nativeOutputBuffer : past->past_OutputBuffer; - } - /* - AddTraceMessage("Pa_CallConvertInt16: inputBuffer = ", (int) inputBuffer ); - AddTraceMessage("Pa_CallConvertInt16: outputBuffer = ", (int) outputBuffer ); - */ - /* Call user callback routine. */ - userResult = past->past_Callback( - inputBuffer, - outputBuffer, - past->past_FramesPerUserBuffer, - past->past_FrameCount, - past->past_UserData ); - - past->past_FrameCount += (PaTimestamp) past->past_FramesPerUserBuffer; - - /* Convert to native format if necessary. */ - if( outputBuffer != NULL ) - { - unsigned int samplesPerBuffer = past->past_FramesPerUserBuffer * past->past_NumOutputChannels; - switch(past->past_OutputSampleFormat) - { - case paFloat32: - { - float *outBufPtr = (float *) past->past_OutputBuffer; - if( past->past_Flags & paDitherOff ) - { - if( past->past_Flags & paClipOff ) /* NOTHING */ - { - for( i=0; i 0x7FFF) ? 0x7FFF : temp)); - } - } - } - else - { - /* If you dither then you have to clip because dithering could push the signal out of range! */ - for( i=0; i 0x7FFF) ? 0x7FFF : temp)); - } - } - break; - } - - case paInt32: - { - int *outBufPtr = (int *) past->past_OutputBuffer; - if( past->past_Flags & paDitherOff ) - { - for( i=0; i> 16 ); - } - } - else - { - for( i=0; i> 1) + Pa_TriangularDither(); - temp = temp >> 15; - *nativeOutputBuffer++ = (short)((temp < -0x8000) ? -0x8000 : ((temp > 0x7FFF) ? 0x7FFF : temp)); - } - } - break; - } - - case paInt8: - { - char *outBufPtr = (char *) past->past_OutputBuffer; - for( i=0; ipast_OutputBuffer; - for( i=0; ipast_NumInputChannels > 0) && (nativeInputBuffer != NULL) ) - { - inputBuffer = nativeInputBuffer; // FIXME - } - - /* Are we doing output time? */ - if( (past->past_NumOutputChannels > 0) && (nativeOutputBuffer != NULL) ) - { - /* May already be in native format so just write directly to native buffer. */ - outputBuffer = (past->past_OutputSampleFormat == paFloat32) ? - nativeOutputBuffer : past->past_OutputBuffer; - } - /* - AddTraceMessage("Pa_CallConvertInt16: inputBuffer = ", (int) inputBuffer ); - AddTraceMessage("Pa_CallConvertInt16: outputBuffer = ", (int) outputBuffer ); - */ - /* Call user callback routine. */ - userResult = past->past_Callback( - inputBuffer, - outputBuffer, - past->past_FramesPerUserBuffer, - past->past_FrameCount, - past->past_UserData ); - - past->past_FrameCount += (PaTimestamp) past->past_FramesPerUserBuffer; - - /* Convert to native format if necessary. */ // FIXME - return userResult; -} - -/*************************************************************************/ -DLL_API PaError Pa_Initialize( void ) -{ - if( gInitCount++ > 0 ) return paNoError; - ResetTraceMessages(); - return PaHost_Init(); -} - -DLL_API PaError Pa_Terminate( void ) -{ - PaError result = paNoError; - - if( gInitCount == 0 ) return paNoError; - else if( --gInitCount == 0 ) - { - result = PaHost_Term(); - DumpTraceMessages(); - } - return result; -} - -/*************************************************************************/ -DLL_API PaError Pa_GetSampleSize( PaSampleFormat format ) -{ - int size; - switch(format ) - { - - case paUInt8: - case paInt8: - size = 1; - break; - - case paInt16: - size = 2; - break; - - case paPackedInt24: - size = 3; - break; - - case paFloat32: - case paInt32: - case paInt24: - size = 4; - break; - - default: - size = paSampleFormatNotSupported; - break; - } - return (PaError) size; -} - - diff --git a/portaudio-v19/pa_dll_switch/portaudio.h b/portaudio-v19/pa_dll_switch/portaudio.h deleted file mode 100644 index 9632521eb..000000000 --- a/portaudio-v19/pa_dll_switch/portaudio.h +++ /dev/null @@ -1,439 +0,0 @@ -#ifndef PORT_AUDIO_H -#define PORT_AUDIO_H - -#ifdef __cplusplus -extern "C" -{ -#endif /* __cplusplus */ - -/* - * 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. - * - */ - -// added by zplane.developement in order to generate a DLL - -#if defined(PA_MME_EXPORTS) || defined(PA_DX_EXPORTS) -#define DLL_API __declspec( dllexport ) -#elif defined(_LIB) || defined(_STATIC_LINK) || defined(_STATIC_APP) -#define DLL_API -#else -#define DLL_API __declspec(dllexport) -#endif - - -typedef int PaError; -typedef enum { - paNoError = 0, - - paHostError = -10000, - paInvalidChannelCount, - paInvalidSampleRate, - paInvalidDeviceId, - paInvalidFlag, - paSampleFormatNotSupported, - paBadIODeviceCombination, - paInsufficientMemory, - paBufferTooBig, - paBufferTooSmall, - paNullCallback, - paBadStreamPtr, - paTimedOut, - paInternalError -} PaErrorNum; - -/* - Pa_Initialize() is the library initialisation function - call this before - using the library. -*/ - -DLL_API PaError Pa_Initialize( void ); - -/* - Pa_Terminate() is the library termination function - call this after - using the library. -*/ - -DLL_API PaError Pa_Terminate( void ); - -/* - Return host specific error. - This can be called after receiving a paHostError. -*/ -DLL_API long Pa_GetHostError( void ); - -/* - Translate the error number into a human readable message. -*/ -DLL_API 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 devices. - - The floating point representation uses +1.0 and -1.0 as the respective - maximum and minimum. - -*/ - -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)) /* unsigned 8 bit, 128 is "ground" */ -#define paCustomFormat ((PaSampleFormat) (1<<16)) - -/* - Device enumeration mechanism. - - Device ids range from 0 to Pa_CountDevices()-1. - - Devices may support input, output or both. Device 0 is always the "default" - device and should support at least stereo in and out if that is available - on the taget platform _even_ if this involves kludging an input/output - device on platforms that usually separate input from output. Other platform - specific devices are specified by positive device ids. -*/ - -typedef int PaDeviceID; -#define paNoDevice -1 - -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; - - -DLL_API int Pa_CountDevices(); -/* - Pa_GetDefaultInputDeviceID(), Pa_GetDefaultOutputDeviceID() - - Return the default device ID or paNoDevice if there is no devices. - 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 ID by using - the supplied application "pa_devs". -*/ -DLL_API PaDeviceID Pa_GetDefaultInputDeviceID( void ); -DLL_API PaDeviceID Pa_GetDefaultOutputDeviceID( void ); - -/* - PaTimestamp is used to represent a continuous sample clock with arbitrary - start time useful for syncronisation. The type is used in the outTime - argument to the callback function and the result of Pa_StreamTime() -*/ - -typedef double PaTimestamp; - -/* - Pa_GetDeviceInfo() returns a pointer to an immutable PaDeviceInfo structure - referring to the device specified by id. - If id is out of range the function returns NULL. - - The returned structure is owned by the PortAudio implementation and must - not be manipulated or freed. The pointer is guaranteed to be valid until - between calls to Pa_Initialize() and Pa_Terminate(). -*/ - -DLL_API const PaDeviceInfo* Pa_GetDeviceInfo( PaDeviceID id ); - -/* - PortAudioCallback is implemented by clients of the portable audio api. - - 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 nonzero 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 - nonzero 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. - - [ suggestions? ] -*/ - -#define paNoFlag (0) -#define paClipOff (1<<0) /* disable defult 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 - device input record for the device specified in the inputDevice parameter. - If inputDevice is paNoDevice numInputChannels is ignored. - - inputSampleFormat is the 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 sound devices 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 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. 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 behavior 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: - Apon 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 nonzero error code is returned (see - PAError above) and the value of stream is invalid. - -*/ - -DLL_API 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 ouput 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 (same as passing paNoDevice in the device arguments to Pa_OpenStream() ) - - sampleFormat applies to both the input and output buffers. -*/ - -DLL_API 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. -*/ - -DLL_API PaError Pa_CloseStream( PortAudioStream* ); - -/* - Pa_StartStream() and Pa_StopStream() begin and terminate audio processing. - When Pa_StopStream() returns, all pending audio buffers have been played. - Pa_AbortStream() stops playing immediately without waiting for pending - buffers to complete. -*/ - -DLL_API PaError Pa_StartStream( PortAudioStream *stream ); - -DLL_API PaError Pa_StopStream( PortAudioStream *stream ); - -DLL_API PaError Pa_AbortStream( PortAudioStream *stream ); - -/* - Pa_StreamActive() returns one when the stream is playing audio, - zero 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. -*/ - -DLL_API PaError Pa_StreamActive( PortAudioStream *stream ); - -/* - Pa_StreamTime() returns the current output time for the stream in samples. - This time may be used as a time reference (for example syncronising audio to - MIDI). -*/ - -DLL_API PaTimestamp Pa_StreamTime( PortAudioStream *stream ); - -/* - The "CPU Load" is a fraction of total CPU time consumed by the - stream's audio processing. - 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. -*/ -DLL_API double Pa_GetCPULoad( PortAudioStream* stream ); - -/* - Use Pa_GetMinNumBuffers() to determine minimum number of buffers required for - 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. -*/ - -DLL_API int Pa_GetMinNumBuffers( int framesPerBuffer, double sampleRate ); - -/* - Sleep for at least 'msec' milliseconds. - You may sleep longer than the requested time so don't rely - on this for accurate musical timing. -*/ -DLL_API void Pa_Sleep( long msec ); - -/* - Return size in bytes of a single sample in a given PaSampleFormat - or paSampleFormatNotSupported. -*/ -DLL_API PaError Pa_GetSampleSize( PaSampleFormat format ); - -#ifdef __cplusplus -} -#endif /* __cplusplus */ -#endif /* PORT_AUDIO_H */