SndAudioProcessorRecorder.h

//
//  $Id: SndAudioProcessorRecorder.h 3575 2009-06-21 14:17:42Z leighsmith $
//
//  Description:
//    See the headerdoc below.
//
//  Original Author: SKoT McDonald, <skot@tomandandy.com>
//
//  Copyright (c) 2001, The MusicKit Project.  All rights reserved.
//
//  Permission is granted to use and modify this code for commercial and
//  non-commercial purposes so long as the author attribution and copyright
//  messages remain intact and accompany all relevant code.
//

#ifndef __SNDKIT_SNDAUDIOPROCESSORRECORDER_H__
#define __SNDKIT_SNDAUDIOPROCESSORRECORDER_H__

/* We #include this file regardless of the setting of
   HAVE_CONFIG_H so that other applications compiling against this
   header don't have to define it. If you are seeing errors for
   SndKitConfig.h not found when compiling the MusicKit, you haven't
   run ./configure 
*/
#import "SndKitConfig.h"

#import <Foundation/Foundation.h>
#import "SndAudioProcessor.h"

#if HAVE_LIBSNDFILE
# import <sndfile.h>
#else
#define SNDFILE void
#endif

@class SndAudioBuffer;
@class SndAudioBufferQueue;

enum SndRecorderParam {
    recorder_StartTriggerThreshold = 0,
    recorder_RecordFile            = 1,
    recorder_NumParams             = 2
};


@interface SndAudioProcessorRecorder : SndAudioProcessor {

@protected
    SndAudioBufferQueue *writingQueue;
    SndFormat fileFormat;
    BOOL isRecording;
    NSFileHandle *writingFileHandle;
    unsigned long framesRecorded;  
    SNDFILE *recordFile;
    NSString *recordFileName;
    BOOL startedRecording;
    float startTriggerThreshold;
    BOOL stopSignal;
}

- (BOOL) isRecording;

- (BOOL) prepareToRecordForDuration: (double) recordDuration;

- (BOOL) startRecording;

- (BOOL) setUpRecordFile: (NSString *) filename
              withFormat: (SndFormat) format;

- (BOOL) startRecordingToFile: (NSString*) filename
               withDataFormat: (SndSampleFormat) dataFormat
                 channelCount: (int) chanChan
                 samplingRate: (int) samRate;

- stopRecording;

- stopRecordingWait: (BOOL) wait;

- (long) framesRecorded;

- (void) setStartTriggerThreshold: (float) f;

- copyWithZone: (NSZone *) zone;

@end


#endif

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