1 //-----------------------------------------------------------------------------
2 // Copyright (c) 2015-2018 Marcelo Fernandez
3 //
4 // Permission is hereby granted, free of charge, to any person obtaining a copy
5 // of this software and associated documentation files (the "Software"), to
6 // deal in the Software without restriction, including without limitation the
7 // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
8 // sell copies of the Software, and to permit persons to whom the Software is
9 // furnished to do so, subject to the following conditions:
10 //
11 // The above copyright notice and this permission notice shall be included in
12 // all copies or substantial portions of the Software.
13 //
14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
20 // IN THE SOFTWARE.
21 //-----------------------------------------------------------------------------
22 
23 #ifndef __AUDIOFILE_H__
24 #define __AUDIOFILE_H__
25 
26 enum {
27 	AF_FORMAT_SINT8,
28 	AF_FORMAT_SINT16,
29 	AF_FORMAT_SINT24,
30 	AF_FORMAT_SINT32,
31 	AF_FORMAT_FLOAT32
32 };
33 
34 class audioFile {
35 protected:
36 	oamlFileCallbacks *fcbs;
37 
38 	void *fd;
39 
40 public:
41 
42 	audioFile(oamlFileCallbacks *cbs);
43 	virtual ~audioFile();
44 
45 	virtual int GetFormat() const = 0;
46 	virtual int GetChannels() const = 0;
47 	virtual int GetSamplesPerSec() const = 0;
48 	virtual int GetBytesPerSample() const = 0;
49 	virtual int GetTotalSamples() const = 0;
50 
51 	virtual int Open(const char *filename) = 0;
52 	virtual int Read(char *, int size) = 0;
53 
54 	virtual void WriteToFile(const char *filename, ByteBuffer *buffer, int channels, unsigned int sampleRate, int bytesPerSample) = 0;
55 
56 	virtual void Close() = 0;
57 
GetFileCallbacks()58 	oamlFileCallbacks* GetFileCallbacks() const { return fcbs; }
GetFD()59 	void* GetFD() const { return fd; }
60 };
61 
62 #endif /* __AUDIOFILE_H__ */
63