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
|
/* ScummVM - Scumm Interpreter
* Copyright (C) 2003-2005 Andreas 'Sprawl' Karlsson - Original EPOC port, ESDL
* Copyright (C) 2003-2005 Lars 'AnotherGuest' Persson - Original EPOC port, Audio System
* Copyright (C) 2005 Jurgen 'SumthinWicked' Braam - EPOC/CVS maintainer
* Copyright (C) 2005 The ScummVM project
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*/
#ifndef SDLSYMBIANH
#define SDLSYMBIANH
#include "sdl-common.h"
class OSystem_SDL_Symbian : public OSystem_SDL {
public:
OSystem_SDL_Symbian();
~OSystem_SDL_Symbian();
int getDefaultGraphicsMode() const;
const OSystem::GraphicsMode *getSupportedGraphicsModes() const;
bool setGraphicsMode(const char *name);
// Set function that generates samples
/**
* This function is overridden by the symbian port in order to provide MONO audio
* downmix is done by supplying our own audiocallback
*/
virtual bool setSoundCallback(SoundProc proc, void *param); // overloaded by CE backend
protected:
/**
* The mixer callback function, passed on to OSystem::setSoundCallback().
* This simply calls the mix() method.
* and then does downmixing for symbian if needed
*/
static void symbianMixCallback(void *s, byte *samples, int len);
/**
* Actual mixing implementation
*/
void symbianMix(byte *samples, int len);
// Audio
int _channels;
SoundProc _sound_proc;
void *_sound_proc_param;
byte* _stereo_mix_buffer;
};
#endif
|