1 /*
   2  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #import <Foundation/Foundation.h>
  27 #import <AVFoundation/AVFoundation.h>
  28 
  29 #import "AVFSoundLevelUnit.h"
  30 #import "AVFAudioSpectrumUnit.h"
  31 #import "AVFAudioEqualizer.h"
  32 
  33 @class AVFMediaPlayer;
  34 
  35 @interface AVFAudioProcessor : NSObject


  36 
  37 @property (nonatomic,readonly) AVFSoundLevelUnit *soundLevelUnit;


  38 
  39 // These will be set by the media player since the objects must be persistent
  40 @property (nonatomic,assign) AVFAudioSpectrumUnit *audioSpectrum;
  41 @property (nonatomic,assign) AVFAudioEqualizer *audioEqualizer;
  42 
  43 // Player we'll send events to
  44 @property (weak,readonly,nonatomic) AVFMediaPlayer *player; // weak to avoid retain loop
  45 @property (readonly,nonatomic) AVAudioMix *mixer;
  46 @property (nonatomic,assign) void *tapStorage;
  47 
  48 // Settings from player
  49 @property (nonatomic,assign) float volume;
  50 @property (nonatomic,assign) float balance;
  51 @property (nonatomic,assign) int64_t audioDelay;
  52 
  53 // Asset track and mixer will be pulled from player
  54 - (id) initWithPlayer:(AVFMediaPlayer*)player assetTrack:(AVAssetTrack*)assetTrack;
  55 
  56 @end

   1 /*
   2  * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #import <Foundation/Foundation.h>
  27 #import <AVFoundation/AVFoundation.h>
  28 
  29 #import "AVFSoundLevelUnit.h"
  30 #import "AVFAudioSpectrumUnit.h"
  31 #import "AVFAudioEqualizer.h"
  32 
  33 @class AVFMediaPlayer;
  34 
  35 @interface AVFAudioProcessor : NSObject {
  36     AVAudioMix *_mixer;
  37 }
  38 
  39 @property (nonatomic,readonly) AVFSoundLevelUnitPtr soundLevelUnit;
  40 @property (nonatomic,readonly) AVFAudioSpectrumUnitPtr audioSpectrum;
  41 @property (nonatomic,readonly) AVFAudioEqualizerPtr audioEqualizer;
  42 
  43 @property (nonatomic,retain) AVAssetTrack *audioTrack;
  44 
  45 @property (nonatomic,readonly) AVAudioMix *mixer;





  46 
  47 // Settings from player
  48 @property (nonatomic,assign) float volume;
  49 @property (nonatomic,assign) float balance;
  50 @property (nonatomic,assign) int64_t audioDelay;
  51 



  52 @end