You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
102 lines
2.9 KiB
102 lines
2.9 KiB
15 years ago
|
/*
|
||
|
|
base class for frames
|
||
|
|
Copyright (C) 2001 Martin Vogt
|
||
|
|
|
||
|
|
This program is free software; you can redistribute it and/or modify
|
||
|
|
it under the terms of the GNU Library General Public License as published by
|
||
|
|
the Free Software Foundation.
|
||
|
|
|
||
|
|
For more information look at the file COPYRIGHT in this package
|
||
|
|
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#ifndef __FRAME_H
|
||
|
|
#define __FRAME_H
|
||
|
|
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <limits.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
The base class for frames. Every derived class from this class
|
||
|
|
must belong to some "major" class type and it must have an unique
|
||
|
|
id for itsself. Even if it is a base class it must have a unique id.
|
||
|
|
|
||
|
|
How does this work. We have an int for the Frame id. In the int
|
||
|
|
itsself we but the majorid as well.
|
||
|
|
The Start codes are all multiple of 2 so for example
|
||
|
|
0..127 belongs to FRAME UNK
|
||
|
|
128..255 belongs to FRAME RAW
|
||
|
|
|
||
|
|
So we can with a simple shift operation find out the major class
|
||
|
|
*/
|
||
|
|
#define _FRAME_SHIFT 7
|
||
|
|
#define _FRAME_ID_MAX 128 //(2^_FRAME_SHIFT)
|
||
|
|
|
||
|
|
|
||
|
|
// Major Frame classes
|
||
|
|
#define _FRAME_UNK 0
|
||
|
|
#define _FRAME_RAW 1
|
||
|
|
#define _FRAME_AUDIO 2
|
||
|
|
#define _FRAME_VIDEO 3
|
||
|
|
#define _FRAME_PAKET 4
|
||
|
|
|
||
|
|
// start ids of minor classes
|
||
|
|
|
||
|
|
#define _FRAME_UNK_START (0)
|
||
|
|
#define _FRAME_RAW_START (_FRAME_ID_MAX)
|
||
|
|
#define _FRAME_AUDIO_START (_FRAME_ID_MAX*2)
|
||
|
|
#define _FRAME_VIDEO_START (_FRAME_ID_MAX*2*2)
|
||
|
|
#define _FRAME_PAKET_START (_FRAME_ID_MAX*2*2*2)
|
||
|
|
|
||
|
|
// Minor Frame type IDs
|
||
|
|
|
||
|
|
|
||
|
|
// Raw
|
||
|
|
#define _FRAME_RAW_BASE (_FRAME_RAW_START+1)
|
||
|
|
#define _FRAME_RAW_OGG (_FRAME_RAW_START+2)
|
||
|
|
#define _FRAME_RAW_MPEG_I_VIDEO (_FRAME_RAW_START+3)
|
||
|
|
#define _FRAME_RAW_MPEG_SYSTEM (_FRAME_RAW_START+4)
|
||
|
|
|
||
|
|
|
||
|
|
// Audio:
|
||
|
|
#define _FRAME_AUDIO_BASE (_FRAME_AUDIO_START+1)
|
||
|
|
#define _FRAME_AUDIO_PCM (_FRAME_AUDIO_START+2)
|
||
|
|
#define _FRAME_AUDIO_FLOAT (_FRAME_AUDIO_START+3)
|
||
|
|
|
||
|
|
// Video:
|
||
|
|
#define _FRAME_VIDEO_BASE (_FRAME_VIDEO_START+1)
|
||
|
|
#define _FRAME_VIDEO_YUV (_FRAME_VIDEO_START+2)
|
||
|
|
#define _FRAME_VIDEO_RGB_8 (_FRAME_VIDEO_START+3)
|
||
|
|
#define _FRAME_VIDEO_RGB_16 (_FRAME_VIDEO_START+4)
|
||
|
|
#define _FRAME_VIDEO_RGB_32 (_FRAME_VIDEO_START+5)
|
||
|
|
|
||
|
|
// Packet:
|
||
|
|
#define _FRAME_PACKET_SYNC (_FRAME_PAKET_START+1)
|
||
|
|
#define _FRAME_PACKET_PACKET_CONTAINER (_FRAME_PAKET_START+2)
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
class Frame {
|
||
|
|
int type;
|
||
|
|
|
||
|
|
public:
|
||
|
|
Frame();
|
||
|
|
~Frame();
|
||
|
|
inline int getMajorFrameType() { return (type>>_FRAME_SHIFT);}
|
||
|
|
inline int getFrameType() { return type; }
|
||
|
|
inline void setFrameType(int type) { this->type=type; }
|
||
|
|
|
||
|
|
|
||
|
|
static const char* getMajorFrameName(int type);
|
||
|
|
static const char* getFrameName(int type);
|
||
|
|
};
|
||
|
|
#endif
|