WiiFlow_Lite/source/gui/gcvid.h
fix94.1 6abfa87e0e -replaced all safe_vectors by regular vectors, there is no
need of it anymore, also removed miigotus wrapper
2012-05-06 12:03:43 +00:00

334 lines
7.6 KiB
C++

/***************************************************************************
* Copyright (C) 2010
* by thakis
*
* Modification and adjustment for the Wii by Dimok
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any
* damages arising from the use of this software.
*
* Permission is granted to anyone to use this software for any
* purpose, including commercial applications, and to alter it and
* redistribute it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you
* must not claim that you wrote the original software. If you use
* this software in a product, an acknowledgment in the product
* documentation would be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and
* must not be misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*
* gcvid.h
***************************************************************************/
#ifndef THAKIS_GCVID_H
#define THAKIS_GCVID_H THAKIS_GCVID_H
#include <stdio.h> //FILE*
#include <string>
#include <vector>
using namespace std;
#include <gccore.h>
#pragma pack(push, 1)
/////////////////////////////////////////////////////////////////////
//THP
struct ThpHeader
{
char tag[4]; //'THP\0'
//from monk's thp player:
u32 version; //0x00011000 = 1.1, 0x00010000 = 1.0
u32 maxBufferSize;
u32 maxAudioSamples; //!= 0 if sound is stored in file
float fps; //usually 29.something (=0x41efc28f) for ntsc
u32 numFrames;
u32 firstFrameSize; //size of first frame
u32 dataSize; //size of file - ThpHeader.offset
//from monk's thp player:
u32 componentDataOffset; //ThpComponents stored here
u32 offsetsDataOffset; //?? if != 0, offset to table with offsets of all frames?
u32 firstFrameOffset;
u32 lastFrameOffset;
};
//monk:
struct ThpComponents
{
u32 numComponents; //usually 1 or 2 (video or video + audio)
//component type 0 is video, type 1 is audio,
//type 0xff is "no component" (numComponent many entries
//are != 0xff)
u8 componentTypes[16];
};
struct ThpVideoInfo
{
u32 width;
u32 height;
u32 unknown; //only for version 1.1 thp files
};
struct ThpAudioInfo
{
u32 numChannels;
u32 frequency;
u32 numSamples;
u32 numData; //only for version 1.1 - that many
//audio blocks are after each video block
//(for surround sound?)
};
//endmonk
//a frame image is basically a normal jpeg image (without
//the jfif application marker), the only important difference
//is that after the image start marker (0xff 0xda) values
//of 0xff are simply written as 0xff whereas the jpeg
//standard requires them to be written as 0xff 0x00 because
//0xff is the start of a 2-byte control code in jpeg
//frame (offsets relative to frame start):
//u32 total (image, sound, etc) size of NEXT frame
//u32 size1 at 0x04 (total size of PREV frame according to monk)
//u32 image data size at 0x08
//size of one audio block ONLY IF THE FILE HAS SOUND. ThpAudioInfo.numData
//many audio blocks after jpeg data
//jpeg data
//audio block(s)
struct ThpAudioBlockHeader
{
//size 80 byte
u32 channelSize; //size of one channel in bytes
u32 numSamples; //number of samples/channel
s16 table1[16]; //table for first channel
s16 table2[16]; //table for second channel
s16 channel1Prev1;
s16 channel1Prev2;
s16 channel2Prev1;
s16 channel2Prev2;
};
//audio block:
//u32 size of this audioblock
//
//u32 numBytes/channel of audioblock - that many bytes per channel after adpcm table)
//
//u32 number of samples per channel
//
//2*16 shorts adpcm table (one per channel - always stored both,
//even for mono files), 5.11 fixed point values
//
//4 s16: 2 shorts prev1 and prev2 for each channel (even for mono files)
//
//sound data
//sound data:
//8 byte are 14 samples:
//the first byte stores index (upper nibble) and shift (lower nibble),
//the following 7 bytes contain 14o samples a 4 bit each
/////////////////////////////////////////////////////////////////////
//MTH ("mute thp"?)
//similar to a thp file, but without sound
struct MthHeader
{
//one of the unknown has to be fps in some form
char tag[4]; //'MTHP'
u32 unknown;
u32 unknown2;
u32 maxFrameSize;
u32 width;
u32 height;
u32 fps;
u32 numFrames;
u32 offset;
u32 unknown5;
u32 firstFrameSize;
//5 padding u32's follow
};
//frame:
//u32 size of NEXT frame
//jpeg data
//see thp (above) for jpeg format. there's a small difference, though:
//mth jpegs end with 0xff 0xd9 0xff instead of 0xff 0xd9
#pragma pack(pop)
//little helper class that represents one frame of video
//data is 24 bpp, scanlines aligned to 4 byte boundary
class VideoFrame
{
public:
VideoFrame();
~VideoFrame();
void resize(int width, int height);
int getWidth() const;
int getHeight() const;
int getPitch() const;
u8* getData();
const u8* getData() const;
void dealloc();
private:
u8* _data;
int _w;
int _h;
int _p; //pitch in bytes
//copy constructor and asignment operator are not allowed
//VideoFrame(const VideoFrame& f);
VideoFrame& operator=(const VideoFrame& f);
};
//swaps red and blue channel of a video frame
void swapRB(VideoFrame& f);
class VideoFile
{
public:
VideoFile(FILE* f);
virtual ~VideoFile();
virtual int getWidth() const;
virtual int getHeight() const;
virtual float getFps() const;
virtual int getFrameCount() const;
virtual int getCurrentFrameNr() const;
virtual bool loadNextFrame() = 0;
virtual void getCurrentFrame(VideoFrame& frame) const = 0;
//sound support:
virtual bool hasSound() const;
virtual int getNumChannels() const;
virtual int getFrequency() const;
virtual int getMaxAudioSamples() const;
virtual int getCurrentBuffer(s16* data) const;
bool loop;
protected:
FILE* _f;
//void loadFrame(long offset, int size);
void loadFrame(VideoFrame& frame, const u8* data, int size) const;
};
VideoFile* openVideo(const std::string& fileName);
void closeVideo(VideoFile*& vf);
class ThpVideoFile : public VideoFile
{
public:
ThpVideoFile(FILE* f);
virtual int getWidth() const;
virtual int getHeight() const;
virtual float getFps() const;
virtual int getFrameCount() const;
virtual int getCurrentFrameNr() const;
virtual bool loadNextFrame();
virtual void getCurrentFrame(VideoFrame& frame) const;
virtual bool hasSound() const;
virtual int getNumChannels() const;
virtual int getFrequency() const;
virtual int getMaxAudioSamples() const;
virtual int getCurrentBuffer(s16* data) const;
protected:
ThpHeader _head;
ThpComponents _components;
ThpVideoInfo _videoInfo;
ThpAudioInfo _audioInfo;
int _numInts;
int _currFrameNr;
int _nextFrameOffset;
int _nextFrameSize;
vector<u8> _currFrameData;
};
class MthVideoFile : public VideoFile
{
public:
MthVideoFile(FILE* f);
virtual int getWidth() const;
virtual int getHeight() const;
virtual float getFps() const;
virtual int getFrameCount() const;
virtual int getCurrentFrameNr() const;
virtual bool loadNextFrame();
virtual void getCurrentFrame(VideoFrame& frame) const;
protected:
MthHeader _head;
int _currFrameNr;
int _nextFrameOffset;
int _nextFrameSize;
int _thisFrameSize;
vector<u8> _currFrameData;
};
class JpgVideoFile : public VideoFile
{
public:
JpgVideoFile(FILE* f);
virtual int getWidth() const;
virtual int getHeight() const;
virtual int getFrameCount() const;
virtual bool loadNextFrame() { return false; }
virtual void getCurrentFrame(VideoFrame& frame) const;
private:
VideoFrame _currFrame;
};
#endif //THAKIS_GCVID_H