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/*
CsoundObj.h:
Copyright (C) 2014 Steven Yi, Victor Lazzarini, Aurelius Prochazka
This file is part of Csound for iOS.
The Csound for iOS Library is free software; you can redistribute it
and/or modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
Csound is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with Csound; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA
*/
#import <AudioToolbox/ExtendedAudioFile.h>
#import <AudioUnit/AudioUnit.h>
#import "csound.h"
typedef struct csdata_ {
CSOUND *cs;
long bufframes;
int ret;
int nchnls;
int nsmps;
int nchnls_i;
bool running;
bool shouldRecord;
bool shouldMute;
bool useAudioInput;
ExtAudioFileRef file;
AudioUnit *aunit;
__unsafe_unretained NSMutableArray *valuesCache;
} csdata;
typedef struct {
CSOUND *cs;
int attr;
const char *format;
va_list valist;
} Message;
// -----------------------------------------------------------------------------
# pragma mark - Protocols (Bindings and Listeners)
// -----------------------------------------------------------------------------
@class CsoundObj;
@protocol CsoundBinding <NSObject>
- (void)setup:(CsoundObj *)csoundObj;
@optional
- (void)cleanup;
- (void)updateValuesFromCsound;
- (void)updateValuesToCsound;
@end
@protocol CsoundObjListener <NSObject>
@optional
- (void)csoundObjStarted:(CsoundObj *)csoundObj;
- (void)csoundObjCompleted:(CsoundObj *)csoundObj;
@end
// -----------------------------------------------------------------------------
# pragma mark - CsoundObj Interface
// -----------------------------------------------------------------------------
@interface CsoundObj : NSObject
@property (nonatomic, strong) NSURL *outputURL;
@property (assign) BOOL midiInEnabled;
@property (assign) BOOL useAudioInput;
- (void)sendScore:(NSString *)score;
- (void)play:(NSString *)csdFilePath;
- (void)updateOrchestra:(NSString *)orchestraString;
- (void)stop;
- (void)mute;
- (void)unmute;
// -----------------------------------------------------------------------------
# pragma mark - Recording
// -----------------------------------------------------------------------------
- (void)record:(NSString *)csdFilePath toURL:(NSURL *)outputURL;
- (void)record:(NSString *)csdFilePath toFile:(NSString *)outputFile;
- (void)recordToURL:(NSURL *)outputURL;
- (void)stopRecording;
// -----------------------------------------------------------------------------
# pragma mark - Binding
// -----------------------------------------------------------------------------
@property (nonatomic, strong) NSMutableArray *bindings;
- (void)addBinding:(id<CsoundBinding>)binding;
- (void)removeBinding:(id<CsoundBinding>)binding;
// -----------------------------------------------------------------------------
# pragma mark - Listeners and Messages
// -----------------------------------------------------------------------------
@property (assign) SEL messageCallbackSelector;
- (void)addListener:(id<CsoundObjListener>)listener;
- (void)setMessageCallback:(SEL)method withListener:(id)listener;
- (void)performMessageCallback:(NSValue *)infoObj;
// -----------------------------------------------------------------------------
# pragma mark - Csound Internals / Advanced Methods
// -----------------------------------------------------------------------------
- (CSOUND *)getCsound;
- (AudioUnit *)getAudioUnit;
// get input or output that maps to a channel name and type, where type is
// CSOUND_AUDIO_CHANNEL, CSOUND_CONTROL_CHANNEL, etc.
- (MYFLT *)getInputChannelPtr:(NSString *)channelName
channelType:(controlChannelType)channelType;
- (MYFLT *)getOutputChannelPtr:(NSString *)channelName
channelType:(controlChannelType)channelType;
- (NSData *)getOutSamples;
- (int)getNumChannels;
- (int)getKsmps;
- (void)handleInterruption:(NSNotification *)notification;
@end
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