7c26f9d16d
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@32583 a95241bf-73f2-0310-859d-f6bbb57e9c96
97 lines
1.7 KiB
C++
97 lines
1.7 KiB
C++
/*
|
|
* Copyright 2009, Haiku Inc. All Rights Reserved.
|
|
* Distributed under the terms of the MIT License.
|
|
*/
|
|
#ifndef _BUFFER_H
|
|
#define _BUFFER_H
|
|
|
|
|
|
#include <MediaDefs.h>
|
|
|
|
|
|
struct _shared_buffer_list;
|
|
|
|
|
|
struct buffer_clone_info {
|
|
buffer_clone_info();
|
|
~buffer_clone_info();
|
|
|
|
media_buffer_id buffer;
|
|
area_id area;
|
|
size_t offset;
|
|
size_t size;
|
|
int32 flags;
|
|
|
|
private:
|
|
uint32 _reserved_[4];
|
|
};
|
|
|
|
|
|
class BBuffer {
|
|
public:
|
|
// flags
|
|
enum {
|
|
B_F1_BUFFER = 0x1,
|
|
B_F2_BUFFER = 0x2,
|
|
B_SMALL_BUFFER = 0x80000000
|
|
};
|
|
|
|
void* Data();
|
|
size_t SizeAvailable();
|
|
size_t SizeUsed();
|
|
void SetSizeUsed(size_t used);
|
|
uint32 Flags();
|
|
|
|
void Recycle();
|
|
buffer_clone_info CloneInfo() const;
|
|
|
|
media_buffer_id ID();
|
|
media_type Type();
|
|
media_header* Header();
|
|
media_audio_header* AudioHeader();
|
|
media_video_header* VideoHeader();
|
|
|
|
size_t Size();
|
|
|
|
private:
|
|
friend struct _buffer_id_cache;
|
|
friend struct _shared_buffer_list;
|
|
friend class BMediaRoster;
|
|
friend class BBufferProducer;
|
|
friend class BBufferConsumer;
|
|
friend class BBufferGroup;
|
|
friend class BSmallBuffer;
|
|
|
|
explicit BBuffer(const buffer_clone_info& info);
|
|
~BBuffer();
|
|
|
|
BBuffer();
|
|
BBuffer(const BBuffer& other);
|
|
BBuffer& operator=(const BBuffer& other);
|
|
// not implemented
|
|
|
|
void SetHeader(const media_header* header);
|
|
|
|
media_header fMediaHeader;
|
|
_shared_buffer_list* fBufferList;
|
|
area_id fArea;
|
|
void* fData;
|
|
size_t fOffset;
|
|
size_t fSize;
|
|
media_buffer_id fBufferID;
|
|
int32 fFlags;
|
|
|
|
uint32 _reserved[11];
|
|
};
|
|
|
|
|
|
class BSmallBuffer : public BBuffer {
|
|
public:
|
|
BSmallBuffer();
|
|
|
|
static size_t SmallBufferSizeLimit();
|
|
};
|
|
|
|
|
|
#endif // _BUFFER_H
|