btrfs: Attempt to fix GCC2 build.
[haiku.git] / src / kits / game / GSUtility.h
blob1e886c1d00251ab442c316d219ef8b8ae7112e1d
1 //------------------------------------------------------------------------------
2 // Copyright (c) 2001-2002, OpenBeOS
3 //
4 // Permission is hereby granted, free of charge, to any person obtaining a
5 // copy of this software and associated documentation files (the "Software"),
6 // to deal in the Software without restriction, including without limitation
7 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 // and/or sell copies of the Software, and to permit persons to whom the
9 // Software is furnished to do so, subject to the following conditions:
11 // The above copyright notice and this permission notice shall be included in
12 // all copies or substantial portions of the Software.
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
20 // DEALINGS IN THE SOFTWARE.
22 // File Name: GameSoundDevice.h
23 // Author: Christopher ML Zumwalt May (zummy@users.sf.net)
24 // Description: Utility functions used by sound system
25 //------------------------------------------------------------------------------
26 #ifndef _GAMESOUND_UTILITY_H
27 #define _GAMESOUND_UTILITY_H
30 #include <GameSoundDefs.h>
31 #include <MediaDefs.h>
34 struct _gs_ramp
36 float inc;
37 float orignal;
38 float* value;
40 float frame_total;
41 float frame_inc;
43 float frame_count;
44 float frame_inc_count;
46 bigtime_t duration;
50 _gs_ramp* InitRamp(float* value, float set, float frames, bigtime_t duration);
51 bool ChangeRamp(_gs_ramp* ramp);
52 size_t get_sample_size(int32 format);
53 void media_to_gs_format(gs_audio_format* dest,
54 media_raw_audio_format* source);
57 #endif