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4703fb5d85
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1401 a95241bf-73f2-0310-859d-f6bbb57e9c96
62 lines
2.3 KiB
C
62 lines
2.3 KiB
C
//------------------------------------------------------------------------------
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// Copyright (c) 2001-2002, OpenBeOS
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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// File Name: GameSoundDevice.h
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// Author: Christopher ML Zumwalt May (zummy@users.sf.net)
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// Description: Utility functions used by sound system
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//------------------------------------------------------------------------------
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#ifndef _GAMESOUND_UTILITY_H
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#define _GAMESOUND_UTILITY_H
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// Standard Includes -----------------------------------------------------------
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// System Includes -------------------------------------------------------------
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// Project Includes ------------------------------------------------------------
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#include <GameSoundDefs.h>
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// Local Includes --------------------------------------------------------------
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// Local Defines ---------------------------------------------------------------
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struct _gs_ramp
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{
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float inc;
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float orignal;
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float* value;
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float frame_total;
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float frame_inc;
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float frame_count;
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float frame_inc_count;
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bigtime_t duration;
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};
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_gs_ramp* InitRamp(float* value, float set, float frames, bigtime_t duration);
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bool ChangeRamp(_gs_ramp* ramp);
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size_t get_sample_size(int32 format);
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void media_to_gs_format(gs_audio_format * dest, media_raw_audio_format * source);
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#endif
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