84 lines
2.9 KiB
C
84 lines
2.9 KiB
C
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/*****************************************************************************/
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// StreamingGameSound.h
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//
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// This is "a class for all kinds of streaming (data not known beforehand)
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// game sounds."
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//
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//
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// Copyright (c) 2001 OpenBeOS Project
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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
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// in 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
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// OR 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
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// THE 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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#ifndef GAME_KIT_STREAMING_GAME_SOUND
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#define GAME_KIT_STREAMING_GAME_SOUND
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#include <SupportDefs.h>
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#include <GameSound.h>
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#include <Locker.h>
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class BStreamingGameSound : public BGameSound
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{
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public:
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BStreamingGameSound( size_t inBufferFrameCount,
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const gs_audio_format* pFormat, size_t inBufferCount = 2,
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BGameSoundDevice* pDevice = NULL );
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virtual ~BStreamingGameSound();
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virtual BGameSound* Clone() const;
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virtual status_t SetStreamHook(
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void (*hook)( void* pInCookie, void* pInBuffer, size_t inByteCount, BStreamingGameSound* pMe ),
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void* pCookie );
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// The default is to call stream hook, if any.
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virtual void FillBuffer( void * inBuffer, size_t inByteCount );
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virtual status_t SetAttributes( gs_attribute* inAttributes,
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size_t inAttributeCount );
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virtual status_t Perform( int32 selector, void* pData );
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protected:
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BStreamingGameSound( BGameSoundDevice* pDevice );
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// Will allocate handle and call Init().
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virtual status_t SetParameters( size_t inBufferFrameCount,
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const gs_audio_format* pFormat, size_t inBufferCount );
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bool Lock();
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void Unlock();
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private:
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BLocker _m_lock;
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static void stream_callback( void* pCookie, gs_id handle,
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void* pBuffer, int32 offset, int32 size, size_t bufSize );
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// Leave these declarations private unless you plan on actually
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// implementing and using them.
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BStreamingGameSound();
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BStreamingGameSound( const BStreamingGameSound& );
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BStreamingGameSound& operator=( const BStreamingGameSound& );
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};
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#endif // GAME_KIT_STREAMING_GAME_SOUND
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