mirror of
https://github.com/juce-framework/JUCE.git
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First check-in of the "jucequake": a major re-organisation of the library to break it up into modules. For more details about this, see the website forum..
This commit is contained in:
Julian Storer
parent
1a21c89755
commit
b70e0a28d2
1527 changed files with 90380 additions and 396643 deletions
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/*
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==============================================================================
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This file is part of the JUCE library - "Jules' Utility Class Extensions"
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Copyright 2004-11 by Raw Material Software Ltd.
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------------------------------------------------------------------------------
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JUCE can be redistributed and/or modified under the terms of the GNU General
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Public License (Version 2), as published by the Free Software Foundation.
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A copy of the license is included in the JUCE distribution, or can be found
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online at www.gnu.org/licenses.
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.rawmaterialsoftware.com/juce for more information.
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==============================================================================
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*/
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// (This file gets included by juce_android_NativeCode.cpp, rather than being
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// compiled on its own).
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#if JUCE_INCLUDED_FILE
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//==============================================================================
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#define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD) \
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STATICMETHOD (getMinBufferSize, "getMinBufferSize", "(III)I") \
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STATICMETHOD (getNativeOutputSampleRate, "getNativeOutputSampleRate", "(I)I") \
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METHOD (constructor, "<init>", "(IIIIII)V") \
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METHOD (play, "play", "()V") \
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METHOD (stop, "stop", "()V") \
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METHOD (release, "release", "()V") \
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METHOD (flush, "flush", "()V") \
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METHOD (write, "write", "([SII)I") \
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DECLARE_JNI_CLASS (AudioTrack, "android/media/AudioTrack");
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#undef JNI_CLASS_MEMBERS
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//==============================================================================
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#define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD) \
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STATICMETHOD (getMinBufferSize, "getMinBufferSize", "(III)I") \
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METHOD (constructor, "<init>", "(IIIII)V"); \
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METHOD (startRecording, "startRecording", "()V"); \
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METHOD (stop, "stop", "()V"); \
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METHOD (read, "read", "([SII)I"); \
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METHOD (release, "release", "()V"); \
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DECLARE_JNI_CLASS (AudioRecord, "android/media/AudioRecord");
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#undef JNI_CLASS_MEMBERS
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//==============================================================================
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#define CHANNEL_OUT_STEREO ((jint) 12)
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#define CHANNEL_IN_STEREO ((jint) 12)
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#define CHANNEL_IN_MONO ((jint) 16)
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#define ENCODING_PCM_16BIT ((jint) 2)
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#define STREAM_MUSIC ((jint) 3)
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#define MODE_STREAM ((jint) 1)
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//==============================================================================
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class AndroidAudioIODevice : public AudioIODevice,
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public Thread
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{
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public:
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//==============================================================================
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AndroidAudioIODevice (const String& deviceName)
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: AudioIODevice (deviceName, "Audio"),
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Thread ("audio"),
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callback (0), sampleRate (0),
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numClientInputChannels (0), numDeviceInputChannels (0), numDeviceInputChannelsAvailable (2),
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numClientOutputChannels (0), numDeviceOutputChannels (0),
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minbufferSize (0), actualBufferSize (0),
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isRunning (false),
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outputChannelBuffer (1, 1),
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inputChannelBuffer (1, 1)
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{
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JNIEnv* env = getEnv();
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sampleRate = env->CallStaticIntMethod (AudioTrack, AudioTrack.getNativeOutputSampleRate, MODE_STREAM);
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const jint outMinBuffer = env->CallStaticIntMethod (AudioTrack, AudioTrack.getMinBufferSize, sampleRate, CHANNEL_OUT_STEREO, ENCODING_PCM_16BIT);
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jint inMinBuffer = env->CallStaticIntMethod (AudioRecord, AudioRecord.getMinBufferSize, sampleRate, CHANNEL_IN_STEREO, ENCODING_PCM_16BIT);
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if (inMinBuffer <= 0)
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{
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inMinBuffer = env->CallStaticIntMethod (AudioRecord, AudioRecord.getMinBufferSize, sampleRate, CHANNEL_IN_MONO, ENCODING_PCM_16BIT);
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if (inMinBuffer > 0)
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numDeviceInputChannelsAvailable = 1;
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else
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numDeviceInputChannelsAvailable = 0;
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}
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minbufferSize = jmax (outMinBuffer, inMinBuffer) / 4;
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DBG ("Audio device - min buffers: " << outMinBuffer << ", " << inMinBuffer << "; "
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<< sampleRate << " Hz; input chans: " << numDeviceInputChannelsAvailable);
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}
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~AndroidAudioIODevice()
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{
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close();
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}
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StringArray getOutputChannelNames()
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{
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StringArray s;
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s.add ("Left");
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s.add ("Right");
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return s;
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}
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StringArray getInputChannelNames()
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{
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StringArray s;
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if (numDeviceInputChannelsAvailable == 2)
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{
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s.add ("Left");
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s.add ("Right");
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}
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else if (numDeviceInputChannelsAvailable == 1)
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{
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s.add ("Audio Input");
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}
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return s;
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}
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int getNumSampleRates() { return 1;}
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double getSampleRate (int index) { return sampleRate; }
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int getDefaultBufferSize() { return minbufferSize; }
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int getNumBufferSizesAvailable() { return 10; }
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int getBufferSizeSamples (int index) { return getDefaultBufferSize() + index * 128; }
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const String open (const BigInteger& inputChannels,
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const BigInteger& outputChannels,
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double requestedSampleRate,
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int bufferSize)
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{
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close();
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if (sampleRate != (int) requestedSampleRate)
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return "Sample rate not allowed";
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lastError = String::empty;
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int preferredBufferSize = (bufferSize <= 0) ? getDefaultBufferSize() : jmax (minbufferSize, bufferSize);
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numDeviceInputChannels = 0;
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numDeviceOutputChannels = 0;
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activeOutputChans = outputChannels;
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activeOutputChans.setRange (2, activeOutputChans.getHighestBit(), false);
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numClientOutputChannels = activeOutputChans.countNumberOfSetBits();
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activeInputChans = inputChannels;
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activeInputChans.setRange (2, activeInputChans.getHighestBit(), false);
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numClientInputChannels = activeInputChans.countNumberOfSetBits();
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actualBufferSize = preferredBufferSize;
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inputChannelBuffer.setSize (actualBufferSize, 2);
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outputChannelBuffer.setSize (actualBufferSize, 2);
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inputChannelBuffer.clear();
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outputChannelBuffer.clear();
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JNIEnv* env = getEnv();
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if (numClientOutputChannels > 0)
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{
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numDeviceOutputChannels = 2;
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outputDevice = GlobalRef (env->NewObject (AudioTrack, AudioTrack.constructor,
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STREAM_MUSIC, sampleRate, CHANNEL_OUT_STEREO, ENCODING_PCM_16BIT,
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(jint) (actualBufferSize * numDeviceOutputChannels * sizeof (float)), MODE_STREAM));
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isRunning = true;
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}
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if (numClientInputChannels > 0 && numDeviceInputChannelsAvailable > 0)
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{
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numDeviceInputChannels = jmin (numClientInputChannels, numDeviceInputChannelsAvailable);
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inputDevice = GlobalRef (env->NewObject (AudioRecord, AudioRecord.constructor,
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0 /* (default audio source) */, sampleRate,
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numDeviceInputChannelsAvailable > 1 ? CHANNEL_IN_STEREO : CHANNEL_IN_MONO,
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ENCODING_PCM_16BIT,
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(jint) (actualBufferSize * numDeviceInputChannels * sizeof (float))));
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isRunning = true;
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}
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if (isRunning)
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{
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if (outputDevice != nullptr)
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env->CallVoidMethod (outputDevice, AudioTrack.play);
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if (inputDevice != nullptr)
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env->CallVoidMethod (inputDevice, AudioRecord.startRecording);
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startThread (8);
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}
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else
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{
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closeDevices();
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}
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return lastError;
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}
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void close()
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{
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if (isRunning)
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{
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stopThread (2000);
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isRunning = false;
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closeDevices();
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}
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}
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int getOutputLatencyInSamples() { return 0; } // TODO
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int getInputLatencyInSamples() { return 0; } // TODO
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bool isOpen() { return isRunning; }
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int getCurrentBufferSizeSamples() { return actualBufferSize; }
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int getCurrentBitDepth() { return 16; }
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double getCurrentSampleRate() { return sampleRate; }
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const BigInteger getActiveOutputChannels() const { return activeOutputChans; }
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const BigInteger getActiveInputChannels() const { return activeInputChans; }
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const String getLastError() { return lastError; }
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bool isPlaying() { return isRunning && callback != 0; }
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void start (AudioIODeviceCallback* newCallback)
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{
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if (isRunning && callback != newCallback)
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{
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if (newCallback != nullptr)
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newCallback->audioDeviceAboutToStart (this);
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const ScopedLock sl (callbackLock);
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callback = newCallback;
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}
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}
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void stop()
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{
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if (isRunning)
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{
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AudioIODeviceCallback* lastCallback;
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{
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const ScopedLock sl (callbackLock);
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lastCallback = callback;
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callback = nullptr;
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}
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if (lastCallback != nullptr)
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lastCallback->audioDeviceStopped();
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}
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}
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void run()
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{
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JNIEnv* env = getEnv();
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jshortArray audioBuffer = env->NewShortArray (actualBufferSize * jmax (numDeviceOutputChannels, numDeviceInputChannels));
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while (! threadShouldExit())
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{
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if (inputDevice != nullptr)
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{
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jint numRead = env->CallIntMethod (inputDevice, AudioRecord.read, audioBuffer, 0, actualBufferSize * numDeviceInputChannels);
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if (numRead < actualBufferSize * numDeviceInputChannels)
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{
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DBG ("Audio read under-run! " << numRead);
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}
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jshort* const src = env->GetShortArrayElements (audioBuffer, 0);
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for (int chan = 0; chan < inputChannelBuffer.getNumChannels(); ++chan)
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{
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AudioData::Pointer <AudioData::Float32, AudioData::NativeEndian, AudioData::NonInterleaved, AudioData::NonConst> d (inputChannelBuffer.getSampleData (chan));
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if (chan < numDeviceInputChannels)
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{
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AudioData::Pointer <AudioData::Int16, AudioData::NativeEndian, AudioData::Interleaved, AudioData::Const> s (src + chan, numDeviceInputChannels);
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d.convertSamples (s, actualBufferSize);
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}
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else
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{
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d.clearSamples (actualBufferSize);
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}
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}
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env->ReleaseShortArrayElements (audioBuffer, src, 0);
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}
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if (threadShouldExit())
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break;
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{
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const ScopedLock sl (callbackLock);
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if (callback != nullptr)
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{
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callback->audioDeviceIOCallback ((const float**) inputChannelBuffer.getArrayOfChannels(), numClientInputChannels,
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outputChannelBuffer.getArrayOfChannels(), numClientOutputChannels,
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actualBufferSize);
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}
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else
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{
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outputChannelBuffer.clear();
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}
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}
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if (outputDevice != nullptr)
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{
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if (threadShouldExit())
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break;
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jshort* const dest = env->GetShortArrayElements (audioBuffer, 0);
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for (int chan = 0; chan < numDeviceOutputChannels; ++chan)
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{
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AudioData::Pointer <AudioData::Int16, AudioData::NativeEndian, AudioData::Interleaved, AudioData::NonConst> d (dest + chan, numDeviceOutputChannels);
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const float* const sourceChanData = outputChannelBuffer.getSampleData (jmin (chan, outputChannelBuffer.getNumChannels() - 1));
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AudioData::Pointer <AudioData::Float32, AudioData::NativeEndian, AudioData::NonInterleaved, AudioData::Const> s (sourceChanData);
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d.convertSamples (s, actualBufferSize);
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}
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env->ReleaseShortArrayElements (audioBuffer, dest, 0);
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jint numWritten = env->CallIntMethod (outputDevice, AudioTrack.write, audioBuffer, 0, actualBufferSize * numDeviceOutputChannels);
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if (numWritten < actualBufferSize * numDeviceOutputChannels)
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{
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DBG ("Audio write underrun! " << numWritten);
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}
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}
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}
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}
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private:
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//==================================================================================================
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CriticalSection callbackLock;
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AudioIODeviceCallback* callback;
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jint sampleRate;
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int numClientInputChannels, numDeviceInputChannels, numDeviceInputChannelsAvailable;
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int numClientOutputChannels, numDeviceOutputChannels;
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int minbufferSize, actualBufferSize;
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bool isRunning;
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String lastError;
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BigInteger activeOutputChans, activeInputChans;
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GlobalRef outputDevice, inputDevice;
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AudioSampleBuffer inputChannelBuffer, outputChannelBuffer;
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void closeDevices()
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{
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if (outputDevice != nullptr)
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{
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outputDevice.callVoidMethod (AudioTrack.stop);
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outputDevice.callVoidMethod (AudioTrack.release);
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outputDevice.clear();
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}
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if (inputDevice != nullptr)
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{
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inputDevice.callVoidMethod (AudioRecord.stop);
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inputDevice.callVoidMethod (AudioRecord.release);
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inputDevice.clear();
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}
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}
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JUCE_DECLARE_NON_COPYABLE (AndroidAudioIODevice);
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};
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//==============================================================================
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class AndroidAudioIODeviceType : public AudioIODeviceType
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{
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public:
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AndroidAudioIODeviceType()
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: AudioIODeviceType ("Android Audio")
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{
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}
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//==============================================================================
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void scanForDevices() {}
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int getDefaultDeviceIndex (bool forInput) const { return 0; }
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int getIndexOfDevice (AudioIODevice* device, bool asInput) const { return device != nullptr ? 0 : -1; }
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bool hasSeparateInputsAndOutputs() const { return false; }
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StringArray getDeviceNames (bool wantInputNames) const
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{
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StringArray s;
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s.add ("Android Audio");
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return s;
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}
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AudioIODevice* createDevice (const String& outputDeviceName,
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const String& inputDeviceName)
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{
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ScopedPointer<AndroidAudioIODevice> dev;
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if (outputDeviceName.isNotEmpty() || inputDeviceName.isNotEmpty())
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{
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dev = new AndroidAudioIODevice (outputDeviceName.isNotEmpty() ? outputDeviceName
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: inputDeviceName);
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if (dev->getCurrentSampleRate() <= 0 || dev->getDefaultBufferSize() <= 0)
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dev = nullptr;
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}
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return dev.release();
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}
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private:
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//==============================================================================
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (AndroidAudioIODeviceType);
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};
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//==============================================================================
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AudioIODeviceType* AudioIODeviceType::createAudioIODeviceType_Android()
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{
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return new AndroidAudioIODeviceType();
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}
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#endif
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