/* * Copyright (C) 2013-2015 RoboVM AB * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.robovm.apple.mediatoolbox; /*<imports>*/ import java.io.*; import java.nio.*; import java.util.*; import org.robovm.objc.*; import org.robovm.objc.annotation.*; import org.robovm.objc.block.*; import org.robovm.rt.*; import org.robovm.rt.annotation.*; import org.robovm.rt.bro.*; import org.robovm.rt.bro.annotation.*; import org.robovm.rt.bro.ptr.*; import org.robovm.apple.foundation.*; import org.robovm.apple.corefoundation.*; import org.robovm.apple.coremedia.*; import org.robovm.apple.coreaudio.*; import org.robovm.apple.audiotoolbox.*; /*</imports>*/ /*<javadoc>*/ /*</javadoc>*/ /*<annotations>*/@Library("MediaToolbox") @WeaklyLinked/*</annotations>*/ /*<visibility>*/public/*</visibility>*/ class /*<name>*/MTAudioProcessingTap/*</name>*/ extends /*<extends>*/CFType/*</extends>*/ /*<implements>*//*</implements>*/ { public interface Callbacks { void init(MTAudioProcessingTap tap); void finalize(MTAudioProcessingTap tap); void prepare(MTAudioProcessingTap tap, long maxFrames, AudioStreamBasicDescription processingFormat); void unprepare(MTAudioProcessingTap tap); long process(MTAudioProcessingTap tap, long numberFrames, MTAudioProcessingTapMutableFlags flags, AudioBufferList bufferList); } private static final java.util.concurrent.atomic.AtomicLong callbackId = new java.util.concurrent.atomic.AtomicLong(); private static final LongMap<Callbacks> callbacks = new LongMap<>(); private static final java.lang.reflect.Method cbInit; private static final java.lang.reflect.Method cbFinalize; private static final java.lang.reflect.Method cbPrepare; private static final java.lang.reflect.Method cbUnprepare; private static final java.lang.reflect.Method cbProcess; static { try { cbInit = MTAudioProcessingTap.class.getDeclaredMethod("cbInit", MTAudioProcessingTap.class, Long.TYPE, LongPtr.LongPtrPtr.class); cbFinalize = MTAudioProcessingTap.class.getDeclaredMethod("cbFinalize", MTAudioProcessingTap.class); cbPrepare = MTAudioProcessingTap.class.getDeclaredMethod("cbPrepare", MTAudioProcessingTap.class, Long.TYPE, AudioStreamBasicDescription.class); cbUnprepare = MTAudioProcessingTap.class.getDeclaredMethod("cbUnprepare", MTAudioProcessingTap.class); cbProcess = MTAudioProcessingTap.class.getDeclaredMethod("cbProcess", MTAudioProcessingTap.class, Long.TYPE, MTAudioProcessingTapMutableFlags.class, AudioBufferList.class, MachineSizedSIntPtr.class, MTAudioProcessingTapFlags.MTAudioProcessingTapFlagsPtr.class); } catch (Throwable e) { throw new Error(e); } } /*<ptr>*/public static class MTAudioProcessingTapPtr extends Ptr<MTAudioProcessingTap, MTAudioProcessingTapPtr> {}/*</ptr>*/ /*<bind>*/static { Bro.bind(MTAudioProcessingTap.class); }/*</bind>*/ /*<constants>*//*</constants>*/ /*<constructors>*/ protected MTAudioProcessingTap() {} /*</constructors>*/ /*<properties>*//*</properties>*/ /*<members>*//*</members>*/ @Callback private static void cbInit(MTAudioProcessingTap tap, @Pointer long clientInfo, LongPtr.LongPtrPtr tapStorageOut) { Callbacks cb = null; synchronized (callbacks) { cb = callbacks.get(clientInfo); } cb.init(tap); tapStorageOut.set(clientInfo); } @Callback private static void cbFinalize(MTAudioProcessingTap tap) { long storage = tap.getStorage(); Callbacks cb = null; synchronized (callbacks) { cb = callbacks.remove(storage); } cb.finalize(tap); } @Callback private static void cbPrepare(MTAudioProcessingTap tap, @MachineSizedSInt long maxFrames, AudioStreamBasicDescription processingFormat) { Callbacks cb = null; synchronized (callbacks) { cb = callbacks.get(tap.getStorage()); } cb.prepare(tap, maxFrames, processingFormat); } @Callback private static void cbUnprepare(MTAudioProcessingTap tap) { Callbacks cb = null; synchronized (callbacks) { cb = callbacks.get(tap.getStorage()); } cb.unprepare(tap); } @Callback private static void cbProcess(MTAudioProcessingTap tap, @MachineSizedSInt long numberFrames, MTAudioProcessingTapMutableFlags flags, AudioBufferList bufferListInOut, MachineSizedSIntPtr numberFramesOut, MTAudioProcessingTapFlags.MTAudioProcessingTapFlagsPtr flagsOut) { Callbacks cb = null; synchronized (callbacks) { cb = callbacks.get(tap.getStorage()); } long frames = cb.process(tap, numberFrames, flags, bufferListInOut); numberFramesOut.set(frames); flagsOut.set(flags.get()); } private CMTimeRange lastTimeRange; /** * @throws OSStatusException * @since Available in iOS 6.0 and later. */ public static MTAudioProcessingTap create(Callbacks callbacks, MTAudioProcessingTapCreationFlags flags) throws OSStatusException { MTAudioProcessingTap.MTAudioProcessingTapPtr ptr = new MTAudioProcessingTap.MTAudioProcessingTapPtr(); long callbackId = MTAudioProcessingTap.callbackId.getAndIncrement(); MTAudioProcessingTapCallbacksStruct struct = new MTAudioProcessingTapCallbacksStruct(0, callbackId, new FunctionPtr(cbInit), new FunctionPtr(cbFinalize), new FunctionPtr(cbPrepare), new FunctionPtr(cbUnprepare), new FunctionPtr(cbProcess)); OSStatus status = create(null, struct, flags, ptr); if (OSStatusException.throwIfNecessary(status)) { synchronized (MTAudioProcessingTap.callbacks) { MTAudioProcessingTap.callbacks.put(callbackId, callbacks); } return ptr.get(); } return null; } /** * @throws OSStatusException * @since Available in iOS 6.0 and later. */ public long getSourceAudio(long numberFrames, AudioBufferList bufferList, MTAudioProcessingTapMutableFlags flags) throws OSStatusException { CMTimeRange timeRangePtr = new CMTimeRange(); MachineSizedSIntPtr numberFramesPtr = new MachineSizedSIntPtr(); OSStatus status = getSourceAudio0(numberFrames, bufferList, flags, timeRangePtr, numberFramesPtr); OSStatusException.throwIfNecessary(status); this.lastTimeRange = timeRangePtr; return numberFramesPtr.get(); } public CMTimeRange getLastTimeRange() { return lastTimeRange; } /*<methods>*/ /** * @since Available in iOS 6.0 and later. */ @Bridge(symbol="MTAudioProcessingTapGetTypeID", optional=true) public static native @MachineSizedUInt long getClassTypeID(); /** * @since Available in iOS 6.0 and later. */ @Bridge(symbol="MTAudioProcessingTapCreate", optional=true) protected static native OSStatus create(CFAllocator allocator, MTAudioProcessingTapCallbacksStruct callbacks, MTAudioProcessingTapCreationFlags flags, MTAudioProcessingTap.MTAudioProcessingTapPtr tapOut); /** * @since Available in iOS 6.0 and later. */ @Bridge(symbol="MTAudioProcessingTapGetStorage", optional=true) protected native @Pointer long getStorage(); /** * @since Available in iOS 6.0 and later. */ @Bridge(symbol="MTAudioProcessingTapGetSourceAudio", optional=true) protected native OSStatus getSourceAudio0(@MachineSizedSInt long numberFrames, AudioBufferList bufferListInOut, MTAudioProcessingTapMutableFlags flagsOut, CMTimeRange timeRangeOut, MachineSizedSIntPtr numberFramesOut); /*</methods>*/ }