ClanLib  2.3.7
soundprovider_session.h
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1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2011 The ClanLib Team
4 **
5 ** This software is provided 'as-is', without any express or implied
6 ** warranty. In no event will the authors be held liable for any damages
7 ** arising from the use of this software.
8 **
9 ** Permission is granted to anyone to use this software for any purpose,
10 ** including commercial applications, and to alter it and redistribute it
11 ** freely, subject to the following restrictions:
12 **
13 ** 1. The origin of this software must not be misrepresented; you must not
14 ** claim that you wrote the original software. If you use this software
15 ** in a product, an acknowledgment in the product documentation would be
16 ** appreciated but is not required.
17 ** 2. Altered source versions must be plainly marked as such, and must not be
18 ** misrepresented as being the original software.
19 ** 3. This notice may not be removed or altered from any source distribution.
20 **
21 ** Note: Some of the libraries ClanLib may link to may have additional
22 ** requirements or restrictions.
23 **
24 ** File Author(s):
25 **
26 ** Magnus Norddahl
27 */
28 
31 
32 #pragma once
33 
34 #include "../api_sound.h"
35 #include "../../Core/System/sharedptr.h"
36 #include "../soundformat.h"
37 
38 class CL_SoundProvider_Session_Impl;
39 
45 {
48 
49 public:
51 
52  virtual ~CL_SoundProvider_Session();
53 
57 
58 public:
60  virtual int get_num_samples() const = 0;
61 
63 
64  virtual int get_frequency() const = 0;
65 
67  virtual int get_position() const = 0;
68 
70  virtual int get_num_channels() const = 0;
71 
75 
76 public:
78 
80  virtual bool set_looping(bool loop) { return false; }
81 
83 
84  virtual bool eof() const = 0;
85 
87  virtual void stop() = 0;
88 
90 
91  virtual bool play() = 0;
92 
98  virtual bool set_position(int pos) = 0;
99 
105  virtual bool set_end_position(int pos) = 0;
106 
112  virtual int get_data(float **data_ptr, int data_requested) = 0;
113 
117 
118 private:
119 
121 };
122