/usr/include/GNUstep/GNUstepGUI/GSSoundSource.h is in libgnustep-gui-dev 0.24.0-3.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 | /*
GSSoundSource.h
Load and read sound data.
Copyright (C) 2009 Free Software Foundation, Inc.
Written by: Stefan Bidigaray <stefanbidi@gmail.com>
Date: Jun 2009
This file is part of the GNUstep GUI Library.
This 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 of the License, or (at your option) any later version.
This library 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 this library; see the file COPYING.LIB.
If not, see <http://www.gnu.org/licenses/> or write to the
Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef _GNUstep_H_GSSoundSource
#define _GNUstep_H_GSSoundSource
#import <Foundation/NSByteOrder.h>
#import <Foundation/NSObject.h>
@class NSArray;
enum
{
GSSoundFormatUnknown = 0x0000,
GSSoundFormatPCMS8 = 0x0001,
GSSoundFormatPCM16 = 0x0002,
GSSoundFormatPCM24 = 0x0003,
GSSoundFormatPCM32 = 0x0004,
GSSoundFormatPCMU8 = 0x0005,
GSSoundFormatFloat32 = 0x0006,
GSSoundFormatFloat64 = 0x0007,
GSSoundFormatULaw = 0x0010,
GSSoundFormatALaw = 0x0011
};
@protocol GSSoundSource <NSObject>
/** Returns an array of the file types supported by the class.
*/
+ (NSArray *)soundUnfilteredFileTypes;
/** Returns an array of UTIs identifying the file types the class understands.
*/
+ (NSArray *)soundUnfilteredTypes;
/** Returns YES if the class can understand data and NO otherwise.
*/
+ (BOOL)canInitWithData: (NSData *)data;
/** <init />
* Initilizes the reciever for output.
*/
- (id)initWithData: (NSData *)data;
/** Reads data provided in -initWithData:. Parameter bytes must be big enough
* to hold length bytes.
*/
- (NSUInteger)readBytes: (void *)bytes length: (NSUInteger)length;
/** Returns the duration, in seconds. Equivalent to [NSSound-duration].
*/
- (NSTimeInterval)duration;
/** Called by [NSSound-setCurrentTime:].
*/
- (void)setCurrentTime: (NSTimeInterval)currentTime;
/** Called by [NSSound-currentTime].
*/
- (NSTimeInterval)currentTime;
/** Returns encoding of the audio data.
*/
- (int)encoding;
/** Returns the number of channels.
*/
- (NSUInteger)channelCount;
/** Returns the receiver's sample rate (ie 44100, 8000, etc).
*/
- (NSUInteger)sampleRate;
/** Returns the byte order of the audio data.
*/
- (NSByteOrder)byteOrder;
@end
#endif // _GNUstep_H_GSSoundSource
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