bring back dshow renderer

This commit is contained in:
Glenn Maynard
2002-12-20 07:13:08 +00:00
parent a39f632a5f
commit c247ea7b3a
2 changed files with 279 additions and 275 deletions
+219 -264
View File
@@ -7,345 +7,300 @@
Copyright (c) 2001-2002 by the person(s) listed below. All rights reserved.
Chris Danford
Adapted from Nehe tutorial 35
Glenn Maynard
-----------------------------------------------------------------------------
*/
#pragma comment(lib, "winmm.lib")
// Link with the DirectShow base class libraries
#if defined(DEBUG) | defined(_DEBUG)
#pragma comment(lib, "baseclasses/debug/strmbasd.lib")
#else
#pragma comment(lib, "baseclasses/release/strmbase.lib")
#endif
#include "RageMovieTextureHelper.h"
#include "RageMovieTexture.h"
#include "RageUtil.h"
#include "RageLog.h"
#include "RageException.h"
#include "RageDisplay.h"
#include "RageTimer.h"
#include "sdl_opengl.h"
#include <vfw.h>
#pragma comment( lib, "vfw32.lib" )
static int power_of_two(int input)
{
int value = 1;
while ( value < input ) value <<= 1;
return value;
}
struct AviRenderer
{
private:
AVISTREAMINFO psi; // Pointer To A Structure Containing Stream Info
PAVISTREAM pavi; // Handle To An Open Stream
PGETFRAME pgf; // Pointer To A GetFrame Object
BITMAPINFOHEADER bmih; // Header Information For DrawDibDraw Decoding
int videoWidth;
int videoHeight;
int frameWidth;
int frameHeight;
char *pdata; // Pointer To Texture Data
int numFrames;
float secsIntoPlay; // Will Hold seconds since beginning of this loop
float streamSecs; // Will Hold seconds since beginning of this loop
HDRAWDIB hdd; // Handle For Our Dib
HBITMAP hBitmap; // Handle To A Device Dependant Bitmap
HDC hdc; // Creates A Compatible Device Context
unsigned char* data; // Pointer To Our Resized Image
int last_frame; // true if frame hasn't let been requested
bool frame_is_new; // true if frame hasn't let been requested
public:
int GetVideoWidth() { return videoWidth; }
int GetVideoHeight() { return videoHeight; }
int GetFrameWidth() { return frameWidth; }
int GetFrameHeight() { return frameHeight; }
void Play() {}
void Pause() {}
void Stop() {}
void SetPosition( float fSeconds ) {}
bool IsPlaying() { return true; }
AviRenderer( CString sFile )
{
hdc = CreateCompatibleDC(0); // Creates A Compatible Device Context
hdd = DrawDibOpen(); // Grab A Device Context For Our Dib
AVIFileInit(); // Opens The AVIFile Library
// Opens The AVI Stream
if (AVIStreamOpenFromFile(&pavi, sFile, streamtypeVIDEO, 0, OF_READ, NULL) !=0 )
throw RageException( "Failed To Open The AVI Stream" );
AVIStreamInfo(pavi, &psi, sizeof(psi)); // Reads Information About The Stream Into psi
videoWidth=psi.rcFrame.right-psi.rcFrame.left; // Width Is Right Side Of Frame Minus Left
videoHeight=psi.rcFrame.bottom-psi.rcFrame.top; // Height Is Bottom Of Frame Minus Top
frameWidth = power_of_two( videoWidth );
frameHeight = power_of_two( videoHeight );
last_frame = -1;
numFrames = AVIStreamLength(pavi); // The Last Frame Of The Stream
streamSecs = AVIStreamSampleToTime(pavi,numFrames)/1000.f; // Calculate stream length
secsIntoPlay = 0;
bmih.biSize = sizeof (BITMAPINFOHEADER); // Size Of The BitmapInfoHeader
bmih.biPlanes = 1; // Bitplanes
bmih.biBitCount = 24; // Bits Format We Want (24 Bit, 3 Bytes)
bmih.biWidth = frameWidth; // Width We Want (256 Pixels)
bmih.biHeight = frameHeight; // Height We Want (256 Pixels)
bmih.biCompression = BI_RGB; // Requested Mode = RGB
hBitmap = CreateDIBSection (hdc, (BITMAPINFO*)(&bmih), DIB_RGB_COLORS, (void**)(&data), NULL, NULL);
SelectObject (hdc, hBitmap); // Select hBitmap Into Our Device Context (hdc)
pgf=AVIStreamGetFrameOpen(pavi, NULL); // Create The PGETFRAME Using Our Request Mode
if (pgf==NULL)
throw RageException( "Failed To Open The AVI Frame" );
}
~AviRenderer(void) // Properly Closes The Avi File
{
DeleteObject(hBitmap); // Delete The Device Dependant Bitmap Object
DrawDibClose(hdd); // Closes The DrawDib Device Context
AVIStreamGetFrameClose(pgf); // Deallocates The GetFrame Resources
AVIStreamRelease(pavi); // Release The Stream
AVIFileExit(); // Release The File
}
void Update( float fDeltaTime )
{
secsIntoPlay += fDeltaTime;
while( secsIntoPlay > streamSecs )
{
secsIntoPlay -= streamSecs;
}
int this_frame = secsIntoPlay/streamSecs*numFrames;
if( last_frame != this_frame )
{
frame_is_new = true;
GetFrame( this_frame );
last_frame = this_frame;
}
}
void flipIt(void* buffer) // Flips The Red And Blue Bytes (256x256)
{
void* b = buffer; // Pointer To The Buffer
unsigned int numFips = frameWidth*frameHeight;
__asm // Assembler Code To Follow
{
mov ecx, numFips // Set Up A Counter (Dimensions Of Memory Block)
mov ebx, b // Points ebx To Our Data (b)
label: // Label Used For Looping
mov al,[ebx+0] // Loads Value At ebx Into al
mov ah,[ebx+2] // Loads Value At ebx+2 Into ah
mov [ebx+2],al // Stores Value In al At ebx+2
mov [ebx+0],ah // Stores Value In ah At ebx
add ebx,3 // Moves Through The Data By 3 Bytes
dec ecx // Decreases Our Loop Counter
jnz label // If Not Zero Jump Back To Label
}
}
bool IsNewFrameReady() // returns true only once when a new frame has been taken from the stream
{
bool bNew = frame_is_new;
frame_is_new = false;
return bNew;
}
unsigned char* GetData() // Grabs current frame from the stream
{
Update( 1/60.f );
return data;
}
void GetFrame(int frame) // Grabs A Frame From The Stream
{
LPBITMAPINFOHEADER lpbi; // Holds The Bitmap Header Information
lpbi = (LPBITMAPINFOHEADER)AVIStreamGetFrame(pgf, frame); // Grab Data From The AVI Stream
pdata=(char *)lpbi+lpbi->biSize+lpbi->biClrUsed * sizeof(RGBQUAD); // Pointer To Data Returned By AVIStreamGetFrame
SelectObject (hdc, hBitmap); // Select hBitmap Into Our Device Context (hdc)
// (Skip The Header Info To Get To The Data)
// 1:1 copy into the new surface
DrawDibDraw (hdd, hdc, 0, 0, videoWidth, videoHeight, lpbi, pdata, 0, 0, videoWidth, videoHeight, 0);
flipIt(data); // Swap The Red And Blue Bytes (GL Compatability)
}
};
// Copy the bits
// OPTIMIZATION OPPORTUNITY: Use a video and texture
// format that allows a simpler copy than this one.
// switch( m_TextureFormat )
// {
// case D3DFMT_A8R8G8B8:
// {
// for(int y = 0; y < m_pTexture->GetImageHeight(); y++ ) {
// BYTE *pBmpBufferOld = pBmpBuffer;
// BYTE *pTxtBufferOld = pTxtBuffer;
// for (int x = 0; x < m_pTexture->GetImageWidth(); x++) {
// pTxtBuffer[0] = pBmpBuffer[0];
// pTxtBuffer[1] = pBmpBuffer[1];
// pTxtBuffer[2] = pBmpBuffer[2];
// pTxtBuffer[3] = 0xff;
// pTxtBuffer += 4;
// pBmpBuffer += 3;
// }
// pBmpBuffer = pBmpBufferOld + m_lVidPitch;
// pTxtBuffer = pTxtBufferOld + lTxtPitch;
// }
// }
// break;
// case D3DFMT_A1R5G5B5:
// {
// for(int y = 0; y < m_pTexture->GetImageHeight(); y++ ) {
// BYTE *pBmpBufferOld = pBmpBuffer;
// BYTE *pTxtBufferOld = pTxtBuffer;
// for (int x = 0; x < m_pTexture->GetImageWidth(); x++) {
// *(WORD *)pTxtBuffer =
// 0x8000 +
// ((pBmpBuffer[2] & 0xF8) << 7) +
// ((pBmpBuffer[1] & 0xF8) << 2) +
// (pBmpBuffer[0] >> 3);
// pTxtBuffer += 2;
// pBmpBuffer += 3;
// }
// pBmpBuffer = pBmpBufferOld + m_lVidPitch;
// pTxtBuffer = pTxtBufferOld + lTxtPitch;
// }
// }
// break;
#include <stdio.h>
#define NO_SDL_GLEXT
#define __glext_h_ /* try harder to stop glext.h from being forced on us by someone else */
#include "SDL_opengl.h"
#include "glext.h"
//-----------------------------------------------------------------------------
// RageMovieTexture constructor
//-----------------------------------------------------------------------------
RageMovieTexture::RageMovieTexture( CString sFilePath, RageTexturePrefs prefs ) :
RageMovieTexture::RageMovieTexture( const CString &sFilePath, RageTexturePrefs prefs ) :
RageTexture( sFilePath, prefs )
{
LOG->Trace( "RageBitmapTexture::RageBitmapTexture()" );
m_uGLTextureID = 0;
pAviRenderer = new AviRenderer( m_sFilePath );
pAviRenderer->Play();
m_FilePath = sFilePath;
buffer_changed = false;
m_uGLTextureID = 0;
buffer = NULL;
Create();
CreateFrameRects();
// flip all frame rects because movies are upside down
for( unsigned i=0; i<m_TextureCoordRects.size(); i++ )
{
float fTemp = m_TextureCoordRects[i].top;
m_TextureCoordRects[i].top = m_TextureCoordRects[i].bottom;
m_TextureCoordRects[i].bottom = fTemp;
}
m_bLoop = true;
m_bPlaying = false;
}
RageMovieTexture::~RageMovieTexture()
{
LOG->Trace("RageMovieTexture::~RageMovieTexture");
delete pAviRenderer;
// Shut down the graph
if (m_pGB) {
Stop();
m_pGB.Release ();
}
delete [] buffer;
if(m_uGLTextureID)
glDeleteTextures(1, &m_uGLTextureID);
}
void RageMovieTexture::Reload( RageTexturePrefs prefs )
{
DISPLAY->SetTexture(0);
// do nothing
}
if(m_uGLTextureID)
{
glDeleteTextures(1, &m_uGLTextureID);
m_uGLTextureID = 0;
}
Create();
unsigned int RageMovieTexture::GetGLTextureID()
{
CheckMovieStatus(); // restart the movie if we reach the end
return m_uGLTextureID;
}
void RageMovieTexture::Update(float fDeltaTime)
{
LockMutex L(buffer_mutex);
if(!buffer_changed)
return;
buffer_changed = false;
DISPLAY->SetTexture(this);
glPixelStorei(GL_UNPACK_SWAP_BYTES, 1);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glPixelStorei(GL_UNPACK_ROW_LENGTH, m_iSourceWidth);
glTexSubImage2D(GL_TEXTURE_2D, 0,
0, 0,
min(m_iSourceWidth, m_iTextureWidth),
min(m_iSourceHeight, m_iTextureHeight),
GL_BGR, GL_UNSIGNED_BYTE, buffer);
glFlush();
}
void HandleDivXError()
{
/* Actually, we might need XviD; we might want to look
* at the file and try to figure out if it's something
* common: DIV3, DIV4, DIV5, XVID, or maybe even MPEG2. */
throw RageException(
"Could not locate the DivX video codec.\n"
"DivX is required to movie textures and must\n"
"be installed before running the application.\n\n"
"Please visit http://www.divx.com to download the latest version."
);
}
void RageMovieTexture::Create()
{
if(!m_uGLTextureID)
glGenTextures(1, &m_uGLTextureID);
HRESULT hr;
if( FAILED( hr=CoInitialize(NULL) ) )
throw RageException( hr_ssprintf(hr, "Could not CoInitialize") );
/* Cap the max texture size to the hardware max. */
m_prefs.iMaxSize = min( m_prefs.iMaxSize, DISPLAY->GetMaxTextureSize() );
// Create the filter graph
if( FAILED( hr=m_pGB.CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC) ) )
throw RageException( hr_ssprintf(hr, "Could not create CLSID_FilterGraph!") );
// Create the Texture Renderer object
CTextureRenderer *pCTR = new CTextureRenderer;
/* Get a pointer to the IBaseFilter on the TextureRenderer, and add it to the
* graph. When m_pGB is released, it will free pFTR. */
CComPtr<IBaseFilter> pFTR = pCTR;
if( FAILED( hr = m_pGB->AddFilter(pFTR, L"TEXTURERENDERER" ) ) )
throw RageException( hr_ssprintf(hr, "Could not add renderer filter to graph!") );
/* Save information about the source. */
m_iSourceWidth = pAviRenderer->GetVideoWidth();
m_iSourceHeight = pAviRenderer->GetVideoHeight();
// Add the source filter
CComPtr<IBaseFilter> pFSrc; // Source Filter
WCHAR wFileName[MAX_PATH];
MultiByteToWideChar(CP_ACP, 0, m_FilePath.GetString(), -1, wFileName, MAX_PATH);
// if this fails, it's probably because the user doesn't have DivX installed
if( FAILED( hr = m_pGB->AddSourceFilter( wFileName, L"SOURCE", &pFSrc ) ) )
{
HandleDivXError();
throw RageException( hr_ssprintf(hr, "Could not create source filter to graph!") );
}
// Find the source's output and the renderer's input
CComPtr<IPin> pFTRPinIn; // Texture Renderer Input Pin
if( FAILED( hr = pFTR->FindPin( L"In", &pFTRPinIn ) ) )
throw RageException( hr_ssprintf(hr, "Could not find input pin!") );
CComPtr<IPin> pFSrcPinOut; // Source Filter Output Pin
if( FAILED( hr = pFSrc->FindPin( L"Output", &pFSrcPinOut ) ) )
throw RageException( hr_ssprintf(hr, "Could not find output pin!") );
// Connect these two filters
if( FAILED( hr = m_pGB->Connect( pFSrcPinOut, pFTRPinIn ) ) )
{
HandleDivXError();
throw RageException( hr_ssprintf(hr, "Could not connect pins!") );
}
// Pass us to our TextureRenderer.
pCTR->SetRenderTarget(this);
// The graph is built, now get the set the output video width and height.
// The source and image width will always be the same since we can't scale the video
m_iSourceWidth = pCTR->GetVidWidth();
m_iSourceHeight = pCTR->GetVidHeight();
/* We've set up the movie, so we know the dimensions we need. Set
* up the texture. */
CreateTexture();
// Start the graph running
if( !PlayMovie() )
throw RageException( "Could not run the DirectShow graph." );
}
void RageMovieTexture::NewData(char *data)
{
LockMutex L(buffer_mutex);
buffer_changed = true;
memcpy(buffer, data, m_iSourceWidth * m_iSourceHeight * 3);
}
bool RageMovieTexture::CreateTexture()
{
/* image size cannot exceed max size */
m_iImageWidth = min( m_iSourceWidth, m_prefs.iMaxSize );
m_iImageHeight = min( m_iSourceHeight, m_prefs.iMaxSize );
/* Texture dimensions need to be a power of two; jump to the next. */
m_iTextureWidth = power_of_two( m_iSourceWidth );
m_iTextureHeight = power_of_two( m_iSourceHeight );
m_iTextureWidth = power_of_two(m_iImageWidth);
m_iTextureHeight = power_of_two(m_iImageHeight);
buffer = new char[m_iSourceWidth * m_iSourceHeight * 3];
if(!m_uGLTextureID)
glGenTextures(1, &m_uGLTextureID);
glBindTexture( GL_TEXTURE_2D, m_uGLTextureID );
DISPLAY->SetTexture(this);
// Create The Texture
unsigned char* data = pAviRenderer->GetData();
glPixelStorei(GL_UNPACK_ROW_LENGTH, m_iTextureWidth);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB8, m_iTextureWidth, m_iTextureHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, data);
CreateFrameRects();
// invert text coor rect
m_TextureCoordRects[0].top = 1 - m_TextureCoordRects[0].top;
m_TextureCoordRects[0].bottom = 1 - m_TextureCoordRects[0].bottom;
/* Initialize the texture and set it to black. */
string buf(m_iTextureWidth*m_iTextureHeight*3, 0);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB8,
m_iTextureWidth, m_iTextureHeight, 0, GL_BGR, GL_UNSIGNED_BYTE, buf.data());
return true;
}
unsigned int RageMovieTexture::GetGLTextureID()
bool RageMovieTexture::PlayMovie()
{
if( pAviRenderer->IsNewFrameReady() )
{
unsigned char* data = pAviRenderer->GetData();
LOG->Trace("RageMovieTexture::PlayMovie()");
CComPtr<IMediaControl> pMC;
m_pGB.QueryInterface(&pMC);
// Update The Texture
glBindTexture( GL_TEXTURE_2D, m_uGLTextureID );
glPixelStorei(GL_UNPACK_ROW_LENGTH, m_iTextureWidth);
glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, m_iTextureWidth, m_iTextureHeight, GL_RGB, GL_UNSIGNED_BYTE, data);
}
// Start the graph running;
HRESULT hr;
if( FAILED( hr = pMC->Run() ) )
throw RageException( hr_ssprintf(hr, "Could not run the DirectShow graph.") );
return m_uGLTextureID;
m_bPlaying = true;
return true;
}
void RageMovieTexture::Update( float fDeltaTime )
//-----------------------------------------------------------------------------
// CheckMovieStatus: If the movie has ended, rewind to beginning
//-----------------------------------------------------------------------------
void RageMovieTexture::CheckMovieStatus()
{
pAviRenderer->Update( fDeltaTime );
long lEventCode;
long lParam1;
long lParam2;
// Check for completion events
CComPtr<IMediaEvent> pME;
m_pGB.QueryInterface(&pME);
pME->GetEvent( &lEventCode, &lParam1, &lParam2, 0 );
if( EC_COMPLETE == lEventCode && m_bLoop )
SetPosition(0);
}
void RageMovieTexture::Play()
{
pAviRenderer->Play();
PlayMovie();
}
void RageMovieTexture::Pause()
{
pAviRenderer->Pause();
LOG->Trace("RageMovieTexture::Pause()");
CComPtr<IMediaControl> pMC;
m_pGB.QueryInterface(&pMC);
HRESULT hr;
if( FAILED( hr = pMC->Pause() ) )
throw RageException( hr_ssprintf(hr, "Could not pause the DirectShow graph.") );
}
void RageMovieTexture::Stop()
{
pAviRenderer->Stop();
LOG->Trace("RageMovieTexture::Stop()");
CComPtr<IMediaControl> pMC;
m_pGB.QueryInterface(&pMC);
HRESULT hr;
if( FAILED( hr = pMC->Stop() ) )
throw RageException( hr_ssprintf(hr, "Could not stop the DirectShow graph.") );
m_bPlaying = false;
}
void RageMovieTexture::SetPosition( float fSeconds )
{
pAviRenderer->SetPosition( fSeconds );
LOG->Trace("RageMovieTexture::Stop()");
CComPtr<IMediaPosition> pMP;
m_pGB.QueryInterface(&pMP);
pMP->put_CurrentPosition(0);
}
bool RageMovieTexture::IsPlaying() const
{
return pAviRenderer->IsPlaying();
return m_bPlaying;
}
+60 -11
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@@ -1,18 +1,41 @@
#pragma once
#ifndef RAGEMOVIETEXTURE_H
#define RAGEMOVIETEXTURE_H
/*
-----------------------------------------------------------------------------
Class: RageMovieTexture
Desc: Based on the NeHe tutorial 35
Desc: Based on the DShowTextures example in the DX8 SDK.
Copyright (c) 2001-2002 by the person(s) listed below. All rights reserved.
Chris Danford
-----------------------------------------------------------------------------
*/
#include "RageTexture.h"
/* Don't know why we need this for the headers ... */
typedef char TCHAR, *PTCHAR;
/* Prevent these from using Dbg stuff, which we don't link in. */
#ifdef DEBUG
#undef DEBUG
#undef _DEBUG
#define GIVE_BACK_DEBUG
#endif
#include <atlbase.h>
#ifdef GIVE_BACK_DEBUG
#undef GIVE_BACK_DEBUG
#define _DEBUG
#define DEBUG
#endif
#include "baseclasses/streams.h"
#include "RageDisplay.h"
#include "RageTexture.h"
#include "RageThreads.h"
struct AviRenderer; // defined in RageMovieTexture.cpp
//-----------------------------------------------------------------------------
// RageMovieTexture Class Declarations
@@ -20,24 +43,50 @@ struct AviRenderer; // defined in RageMovieTexture.cpp
class RageMovieTexture : public RageTexture
{
public:
RageMovieTexture( CString sFilePath, RageTexturePrefs prefs );
RageMovieTexture( const CString &sFilePath, RageTexturePrefs prefs );
virtual ~RageMovieTexture();
virtual void Update( float fDeltaTime );
virtual void Invalidate() { m_uGLTextureID = 0; }
void Update(float fDeltaTime);
virtual void Reload( RageTexturePrefs prefs );
virtual void Play();
virtual void Pause();
virtual void Stop();
virtual void SetPosition( float fSeconds );
virtual bool IsAMovie() const { return true; };
virtual bool IsPlaying() const;
void SetLooping(bool looping);
void SetLooping(bool looping=true) { m_bLoop = looping; }
// LPDIRECT3DTEXTURE8 GetBackBuffer() { return m_pd3dTexture[!m_iIndexFrontBuffer]; }
// void Flip() { m_iIndexFrontBuffer = !m_iIndexFrontBuffer; }
void NewData(char *buffer);
protected:
void Create(); // called by constructor and Reload
// LPDIRECT3DTEXTURE8 m_pd3dTexture[2]; // double buffered
int m_iIndexFrontBuffer; // index of the buffer that should be rendered from - either 0 or 1
char *buffer;
bool buffer_changed;
RageMutex buffer_mutex;
void Create();
bool CreateTexture();
bool PlayMovie();
void CheckMovieStatus();
CString m_FilePath;
virtual unsigned int GetGLTextureID();
unsigned int m_uGLTextureID;
unsigned int m_uGLTextureID;
struct AviRenderer* pAviRenderer;
//-----------------------------------------------------------------------------
// DirectShow pointers
//-----------------------------------------------------------------------------
CComPtr<IGraphBuilder> m_pGB; // GraphBuilder
bool m_bLoop;
bool m_bPlaying;
};
#endif