haiku/headers/build/os/game/PushGameSound.h

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//------------------------------------------------------------------------------
// Copyright (c) 2001-2002, OpenBeOS
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// File Name: FileGameSound.h
// Author: Christopher ML Zumwalt May (zummy@users.sf.net)
// Description: BFileGameSound is a class that streams data out of a file.
//------------------------------------------------------------------------------
#ifndef _PUSHGAMESOUND_H
#define _PUSHGAMESOUND_H
// Standard Includes -----------------------------------------------------------
// System Includes -------------------------------------------------------------
#include <StreamingGameSound.h>
// Project Includes ------------------------------------------------------------
// Local Includes --------------------------------------------------------------
// Local Defines ---------------------------------------------------------------
// Globals ---------------------------------------------------------------------
// FileGameSound -------------------------------------------------------------
class BPushGameSound : public BStreamingGameSound
{
public:
BPushGameSound(size_t inBufferFrameCount,
const gs_audio_format * format,
size_t inBufferCount = 2,
BGameSoundDevice * device = NULL);
virtual ~BPushGameSound();
enum lock_status {
lock_failed = -1, // not yet time to do more
lock_ok = 0, // do more
lock_ok_frames_dropped // you may have missed some buffers
};
virtual lock_status LockNextPage(void ** out_pagePtr,
size_t * out_pageSize);
virtual status_t UnlockPage(void * in_pagePtr);
virtual lock_status LockForCyclic(void ** out_basePtr,
size_t * out_size);
virtual status_t UnlockCyclic();
virtual size_t CurrentPosition();
virtual BGameSound * Clone() const;
virtual status_t Perform(int32 selector, void * data);
protected:
BPushGameSound(BGameSoundDevice * device);
virtual status_t SetParameters(size_t inBufferFrameCount,
const gs_audio_format * format,
size_t inBufferCount);
virtual status_t SetStreamHook(void (*hook)(void * inCookie, void * inBuffer, size_t inByteCount, BStreamingGameSound * me),
void * cookie);
virtual void FillBuffer(void * inBuffer,
size_t inByteCount);
private:
/* leave these declarations private unless you plan on actually implementing and using them. */
BPushGameSound();
BPushGameSound(const BPushGameSound&);
BPushGameSound& operator=(const BPushGameSound&);
bool BytesReady(size_t * bytes);
sem_id fLock;
BList * fPageLocked;
size_t fLockPos;
size_t fPlayPos;
char * fBuffer;
size_t fPageSize;
int32 fPageCount;
size_t fBufferSize;
/* fbc data and virtuals */
uint32 _reserved_BPushGameSound_[12];
virtual status_t _Reserved_BPushGameSound_0(int32 arg, ...);
virtual status_t _Reserved_BPushGameSound_1(int32 arg, ...);
virtual status_t _Reserved_BPushGameSound_2(int32 arg, ...);
virtual status_t _Reserved_BPushGameSound_3(int32 arg, ...);
virtual status_t _Reserved_BPushGameSound_4(int32 arg, ...);
virtual status_t _Reserved_BPushGameSound_5(int32 arg, ...);
virtual status_t _Reserved_BPushGameSound_6(int32 arg, ...);
virtual status_t _Reserved_BPushGameSound_7(int32 arg, ...);
virtual status_t _Reserved_BPushGameSound_8(int32 arg, ...);
virtual status_t _Reserved_BPushGameSound_9(int32 arg, ...);
virtual status_t _Reserved_BPushGameSound_10(int32 arg, ...);
virtual status_t _Reserved_BPushGameSound_11(int32 arg, ...);
virtual status_t _Reserved_BPushGameSound_12(int32 arg, ...);
virtual status_t _Reserved_BPushGameSound_13(int32 arg, ...);
virtual status_t _Reserved_BPushGameSound_14(int32 arg, ...);
virtual status_t _Reserved_BPushGameSound_15(int32 arg, ...);
virtual status_t _Reserved_BPushGameSound_16(int32 arg, ...);
virtual status_t _Reserved_BPushGameSound_17(int32 arg, ...);
virtual status_t _Reserved_BPushGameSound_18(int32 arg, ...);
virtual status_t _Reserved_BPushGameSound_19(int32 arg, ...);
virtual status_t _Reserved_BPushGameSound_20(int32 arg, ...);
virtual status_t _Reserved_BPushGameSound_21(int32 arg, ...);
virtual status_t _Reserved_BPushGameSound_22(int32 arg, ...);
virtual status_t _Reserved_BPushGameSound_23(int32 arg, ...);
};
#endif // _PUSH_GAME_SOUND_H