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//====== Copyright � 1996-2005, Valve Corporation, All rights reserved. =======
//
// Purpose:
//
//=============================================================================
#include "avi/iavi.h"
#include "avi.h"
#include "filesystem.h"
#include "tier1/strtools.h"
#include "tier1/utllinkedlist.h"
#include "tier1/keyvalues.h"
#include "materialsystem/imaterial.h"
#include "materialsystem/imaterialsystem.h"
#include "materialsystem/materialsystemutil.h"
#include "materialsystem/itexture.h"
#include "vtf/vtf.h"
#include "pixelwriter.h"
#include "tier3/tier3.h"
//-----------------------------------------------------------------------------
//
// Class used to write out AVI files
//
//-----------------------------------------------------------------------------
class CAviFile { public: CAviFile();
void Init( const AVIParams_t& params, void *hWnd ); void Shutdown(); void AppendMovieSound( short *buf, size_t bufsize ); void AppendMovieFrame( const BGR888_t *pRGBData );
private: void Reset(); void CreateVideoStreams( const AVIParams_t& params, void *hWnd ); void CreateAudioStream();
bool m_bValid; int m_nWidth; int m_nHeight; int m_nFrameRate; int m_nFrameScale; int m_nFrame; int m_nSample; };
//-----------------------------------------------------------------------------
// Constructor
//-----------------------------------------------------------------------------
CAviFile::CAviFile() { Reset(); }
//-----------------------------------------------------------------------------
// Reset the avi file
//-----------------------------------------------------------------------------
void CAviFile::Reset() { m_bValid = false; m_nWidth = 0; m_nHeight = 0; m_nFrameRate = 0; m_nFrameScale = 1; m_nFrame = 0; m_nSample = 0; }
//-----------------------------------------------------------------------------
// Start recording an AVI
//-----------------------------------------------------------------------------
void CAviFile::Init( const AVIParams_t& params, void *hWnd ) { Reset();
char avifilename[ 512 ]; char fullavifilename[ 512 ]; Q_snprintf( avifilename, sizeof( avifilename ), "%s", params.m_pFileName ); Q_SetExtension( avifilename, ".avi", sizeof( avifilename ) );
g_pFullFileSystem->RelativePathToFullPath( avifilename, params.m_pPathID, fullavifilename, sizeof( fullavifilename ) ); if ( g_pFullFileSystem->FileExists( fullavifilename, params.m_pPathID ) ) { g_pFullFileSystem->RemoveFile( fullavifilename, params.m_pPathID ); }
m_nFrameRate = params.m_nFrameRate; m_nFrameScale = params.m_nFrameScale;
m_bValid = true;
m_nHeight = params.m_nHeight; m_nWidth = params.m_nWidth;
CreateVideoStreams( params, hWnd ); CreateAudioStream(); }
void CAviFile::Shutdown() { Reset(); }
void CAviFile::CreateVideoStreams( const AVIParams_t& params, void *hWnd ) { }
void CAviFile::CreateAudioStream() { }
void CAviFile::AppendMovieSound( short *buf, size_t bufsize ) { if ( !m_bValid ) return;
unsigned long numsamps = bufsize / sizeof( short ); // numbytes*8 / au->wfx.wBitsPerSample;
m_nSample += numsamps; }
//-----------------------------------------------------------------------------
// Adds a frame of the movie to the AVI
//-----------------------------------------------------------------------------
void CAviFile::AppendMovieFrame( const BGR888_t *pRGBData ) { if ( !m_bValid ) return;
++m_nFrame; }
//-----------------------------------------------------------------------------
//
// Class used to associated AVI files with IMaterials
//
//-----------------------------------------------------------------------------
class CAVIMaterial : public ITextureRegenerator { public: CAVIMaterial();
// Initializes, shuts down the material
bool Init( const char *pMaterialName, const char *pFileName, const char *pPathID ); void Shutdown();
// Inherited from ITextureRegenerator
virtual void RegenerateTextureBits( ITexture *pTexture, IVTFTexture *pVTFTexture, Rect_t *pRect ); virtual void Release();
// Returns the material
IMaterial *GetMaterial();
// Returns the texcoord range
void GetTexCoordRange( float *pMaxU, float *pMaxV );
// Returns the frame size of the AVI (stored in a subrect of the material itself)
void GetFrameSize( int *pWidth, int *pHeight );
// Sets the current time
void SetTime( float flTime );
// Returns the frame rate/count of the AVI
int GetFrameRate( ); int GetFrameCount( );
// Sets the frame for an AVI material (use instead of SetTime)
void SetFrame( float flFrame );
private: // Initializes, shuts down the procedural texture
void CreateProceduralTexture( const char *pTextureName ); void DestroyProceduralTexture();
// Initializes, shuts down the procedural material
void CreateProceduralMaterial( const char *pMaterialName ); void DestroyProceduralMaterial();
// Initializes, shuts down the video stream
void CreateVideoStream( ); void DestroyVideoStream( );
CMaterialReference m_Material; CTextureReference m_Texture; int m_nAVIWidth; int m_nAVIHeight; int m_nFrameRate; int m_nFrameCount; int m_nCurrentSample; };
//-----------------------------------------------------------------------------
// Constructor
//-----------------------------------------------------------------------------
CAVIMaterial::CAVIMaterial() { }
//-----------------------------------------------------------------------------
// Initializes the material
//-----------------------------------------------------------------------------
bool CAVIMaterial::Init( const char *pMaterialName, const char *pFileName, const char *pPathID ) { // Determine the full path name of the AVI
char pAVIFileName[ 512 ]; char pFullAVIFileName[ 512 ]; Q_snprintf( pAVIFileName, sizeof( pAVIFileName ), "%s", pFileName ); Q_DefaultExtension( pAVIFileName, ".avi", sizeof( pAVIFileName ) ); g_pFullFileSystem->RelativePathToFullPath( pAVIFileName, pPathID, pFullAVIFileName, sizeof( pFullAVIFileName ) );
CreateProceduralTexture( pMaterialName ); CreateProceduralMaterial( pMaterialName ); CreateVideoStream();
m_Texture->Download();
return true; }
void CAVIMaterial::Shutdown() { DestroyVideoStream(); DestroyProceduralMaterial( ); DestroyProceduralTexture( ); }
//-----------------------------------------------------------------------------
// Returns the material
//-----------------------------------------------------------------------------
IMaterial *CAVIMaterial::GetMaterial() { return m_Material; }
//-----------------------------------------------------------------------------
// Returns the texcoord range
//-----------------------------------------------------------------------------
void CAVIMaterial::GetTexCoordRange( float *pMaxU, float *pMaxV ) { if ( !m_Texture ) { *pMaxU = *pMaxV = 1.0f; return; }
int nTextureWidth = m_Texture->GetActualWidth(); int nTextureHeight = m_Texture->GetActualHeight(); *pMaxU = (float)m_nAVIWidth / (float)nTextureWidth; *pMaxV = (float)m_nAVIHeight / (float)nTextureHeight; }
//-----------------------------------------------------------------------------
// Returns the frame size of the AVI (stored in a subrect of the material itself)
//-----------------------------------------------------------------------------
void CAVIMaterial::GetFrameSize( int *pWidth, int *pHeight ) { *pWidth = m_nAVIWidth; *pHeight = m_nAVIHeight; }
//-----------------------------------------------------------------------------
// Computes a power of two at least as big as the passed-in number
//-----------------------------------------------------------------------------
static inline int ComputeGreaterPowerOfTwo( int n ) { int i = 1; while ( i < n ) { i <<= 1; } return i; }
//-----------------------------------------------------------------------------
// Initializes, shuts down the procedural texture
//-----------------------------------------------------------------------------
void CAVIMaterial::CreateProceduralTexture( const char *pTextureName ) { // Choose power-of-two textures which are at least as big as the AVI
int nWidth = ComputeGreaterPowerOfTwo( m_nAVIWidth ); int nHeight = ComputeGreaterPowerOfTwo( m_nAVIHeight ); m_Texture.InitProceduralTexture( pTextureName, "avi", nWidth, nHeight, IMAGE_FORMAT_RGBA8888, TEXTUREFLAGS_CLAMPS | TEXTUREFLAGS_CLAMPT | TEXTUREFLAGS_NOMIP | TEXTUREFLAGS_PROCEDURAL | TEXTUREFLAGS_SINGLECOPY ); m_Texture->SetTextureRegenerator( this ); }
void CAVIMaterial::DestroyProceduralTexture() { if (m_Texture) { m_Texture->SetTextureRegenerator( NULL ); m_Texture.Shutdown(); } }
//-----------------------------------------------------------------------------
// Initializes, shuts down the procedural material
//-----------------------------------------------------------------------------
void CAVIMaterial::CreateProceduralMaterial( const char *pMaterialName ) { // FIXME: gak, this is backwards. Why doesn't the material just see that it has a funky basetexture?
char vmtfilename[ 512 ]; Q_strcpy( vmtfilename, pMaterialName ); Q_SetExtension( vmtfilename, ".vmt", sizeof( vmtfilename ) );
KeyValues *pVMTKeyValues = new KeyValues( "UnlitGeneric" ); if (!pVMTKeyValues->LoadFromFile( g_pFullFileSystem , vmtfilename, "GAME" )) { pVMTKeyValues->SetString( "$basetexture", m_Texture->GetName() ); pVMTKeyValues->SetInt( "$nofog", 1 ); pVMTKeyValues->SetInt( "$spriteorientation", 3 ); pVMTKeyValues->SetInt( "$translucent", 1 ); }
m_Material.Init( pMaterialName, pVMTKeyValues ); m_Material->Refresh(); }
void CAVIMaterial::DestroyProceduralMaterial() { m_Material.Shutdown(); }
//-----------------------------------------------------------------------------
// Sets the current time
//-----------------------------------------------------------------------------
void CAVIMaterial::SetTime( float flTime ) {
}
//-----------------------------------------------------------------------------
// Returns the frame rate of the AVI
//-----------------------------------------------------------------------------
int CAVIMaterial::GetFrameRate( ) { return m_nFrameRate; }
int CAVIMaterial::GetFrameCount( ) { return m_nFrameCount; }
//-----------------------------------------------------------------------------
// Sets the frame for an AVI material (use instead of SetTime)
//-----------------------------------------------------------------------------
void CAVIMaterial::SetFrame( float flFrame ) {
}
//-----------------------------------------------------------------------------
// Initializes, shuts down the video stream
//-----------------------------------------------------------------------------
void CAVIMaterial::CreateVideoStream( ) { }
void CAVIMaterial::DestroyVideoStream( ) {
}
//-----------------------------------------------------------------------------
// Inherited from ITextureRegenerator
//-----------------------------------------------------------------------------
void CAVIMaterial::RegenerateTextureBits( ITexture *pTexture, IVTFTexture *pVTFTexture, Rect_t *pRect ) { }
void CAVIMaterial::Release() { }
//-----------------------------------------------------------------------------
//
// Implementation of IAvi
//
//-----------------------------------------------------------------------------
class CAvi : public CTier3AppSystem< IAvi > { typedef CTier3AppSystem< IAvi > BaseClass;
public: CAvi();
// Inherited from IAppSystem
virtual bool Connect( CreateInterfaceFn factory ); virtual void *QueryInterface( const char *pInterfaceName ); virtual InitReturnVal_t Init(); virtual void Shutdown();
// Inherited from IAvi
virtual void SetMainWindow( void* hWnd ); virtual AVIHandle_t StartAVI( const AVIParams_t& params ); virtual void FinishAVI( AVIHandle_t h ); virtual void AppendMovieSound( AVIHandle_t h, short *buf, size_t bufsize ); virtual void AppendMovieFrame( AVIHandle_t h, const BGR888_t *pRGBData ); virtual AVIMaterial_t CreateAVIMaterial( const char *pMaterialName, const char *pFileName, const char *pPathID ); virtual void DestroyAVIMaterial( AVIMaterial_t hMaterial ); virtual void SetTime( AVIMaterial_t hMaterial, float flTime ); virtual IMaterial* GetMaterial( AVIMaterial_t hMaterial ); virtual void GetTexCoordRange( AVIMaterial_t hMaterial, float *pMaxU, float *pMaxV ); virtual void GetFrameSize( AVIMaterial_t hMaterial, int *pWidth, int *pHeight ); virtual int GetFrameRate( AVIMaterial_t hMaterial ); virtual void SetFrame( AVIMaterial_t hMaterial, float flFrame ); virtual int GetFrameCount( AVIMaterial_t hMaterial );
private: CUtlLinkedList< CAviFile, AVIHandle_t > m_AVIFiles;
// NOTE: Have to use pointers here since AVIMaterials inherit from ITextureRegenerator
// The realloc screws up the pointers held to ITextureRegenerators in the material system.
CUtlLinkedList< CAVIMaterial*, AVIMaterial_t > m_AVIMaterials; };
//-----------------------------------------------------------------------------
// Singleton
//-----------------------------------------------------------------------------
static CAvi g_AVI; EXPOSE_SINGLE_INTERFACE_GLOBALVAR( CAvi, IAvi, AVI_INTERFACE_VERSION, g_AVI );
//-----------------------------------------------------------------------------
// Constructor/destructor
//-----------------------------------------------------------------------------
CAvi::CAvi() { }
//-----------------------------------------------------------------------------
// Connect/disconnect
//-----------------------------------------------------------------------------
bool CAvi::Connect( CreateInterfaceFn factory ) { if ( !BaseClass::Connect( factory ) ) return false; if ( !( g_pFullFileSystem && materials ) ) { Msg( "Avi failed to connect to a required system\n" ); } return ( g_pFullFileSystem && materials ); }
//-----------------------------------------------------------------------------
// Query Interface
//-----------------------------------------------------------------------------
void *CAvi::QueryInterface( const char *pInterfaceName ) { if (!Q_strncmp( pInterfaceName, AVI_INTERFACE_VERSION, Q_strlen(AVI_INTERFACE_VERSION) + 1)) return (IAvi*)this;
return NULL; }
//-----------------------------------------------------------------------------
// Init/shutdown
//-----------------------------------------------------------------------------
InitReturnVal_t CAvi::Init() { InitReturnVal_t nRetVal = BaseClass::Init(); if ( nRetVal != INIT_OK ) return nRetVal;
return INIT_OK; }
void CAvi::Shutdown() { BaseClass::Shutdown(); }
//-----------------------------------------------------------------------------
// Sets the main window
//-----------------------------------------------------------------------------
void CAvi::SetMainWindow( void* hWnd ) { Assert( false ); }
//-----------------------------------------------------------------------------
// Start, finish recording an AVI
//-----------------------------------------------------------------------------
AVIHandle_t CAvi::StartAVI( const AVIParams_t& params ) { AVIHandle_t h = m_AVIFiles.AddToTail(); m_AVIFiles[h].Init( params, NULL /*hwnd*/ ); return h; }
void CAvi::FinishAVI( AVIHandle_t h ) { if ( h != AVIHANDLE_INVALID ) { m_AVIFiles[h].Shutdown(); m_AVIFiles.Remove( h ); } }
//-----------------------------------------------------------------------------
// Add sound buffer
//-----------------------------------------------------------------------------
void CAvi::AppendMovieSound( AVIHandle_t h, short *buf, size_t bufsize ) { if ( h != AVIHANDLE_INVALID ) { m_AVIFiles[h].AppendMovieSound( buf, bufsize ); } }
//-----------------------------------------------------------------------------
// Add movie frame
//-----------------------------------------------------------------------------
void CAvi::AppendMovieFrame( AVIHandle_t h, const BGR888_t *pRGBData ) { if ( h != AVIHANDLE_INVALID ) { m_AVIFiles[h].AppendMovieFrame( pRGBData ); } }
//-----------------------------------------------------------------------------
// Create/destroy an AVI material
//-----------------------------------------------------------------------------
AVIMaterial_t CAvi::CreateAVIMaterial( const char *pMaterialName, const char *pFileName, const char *pPathID ) { AVIMaterial_t h = m_AVIMaterials.AddToTail(); m_AVIMaterials[h] = new CAVIMaterial; m_AVIMaterials[h]->Init( pMaterialName, pFileName, pPathID ); return h; }
void CAvi::DestroyAVIMaterial( AVIMaterial_t h ) { if ( h != AVIMATERIAL_INVALID ) { m_AVIMaterials[h]->Shutdown(); delete m_AVIMaterials[h]; m_AVIMaterials.Remove( h ); } }
//-----------------------------------------------------------------------------
// Sets the time for an AVI material
//-----------------------------------------------------------------------------
void CAvi::SetTime( AVIMaterial_t h, float flTime ) { if ( h != AVIMATERIAL_INVALID ) { m_AVIMaterials[h]->SetTime( flTime ); } }
//-----------------------------------------------------------------------------
// Gets the IMaterial associated with an AVI material
//-----------------------------------------------------------------------------
IMaterial* CAvi::GetMaterial( AVIMaterial_t h ) { if ( h != AVIMATERIAL_INVALID ) return m_AVIMaterials[h]->GetMaterial(); return NULL; }
//-----------------------------------------------------------------------------
// Returns the max texture coordinate of the AVI
//-----------------------------------------------------------------------------
void CAvi::GetTexCoordRange( AVIMaterial_t h, float *pMaxU, float *pMaxV ) { if ( h != AVIMATERIAL_INVALID ) { m_AVIMaterials[h]->GetTexCoordRange( pMaxU, pMaxV ); } else { *pMaxU = *pMaxV = 1.0f; } }
//-----------------------------------------------------------------------------
// Returns the frame size of the AVI (is a subrect of the material itself)
//-----------------------------------------------------------------------------
void CAvi::GetFrameSize( AVIMaterial_t h, int *pWidth, int *pHeight ) { if ( h != AVIMATERIAL_INVALID ) { m_AVIMaterials[h]->GetFrameSize( pWidth, pHeight ); } else { *pWidth = *pHeight = 1; } }
//-----------------------------------------------------------------------------
// Returns the frame rate of the AVI
//-----------------------------------------------------------------------------
int CAvi::GetFrameRate( AVIMaterial_t h ) { if ( h != AVIMATERIAL_INVALID ) return m_AVIMaterials[h]->GetFrameRate(); return 1; }
int CAvi::GetFrameCount( AVIMaterial_t h ) { if ( h != AVIMATERIAL_INVALID ) return m_AVIMaterials[h]->GetFrameCount(); return 1; }
//-----------------------------------------------------------------------------
// Sets the frame for an AVI material (use instead of SetTime)
//-----------------------------------------------------------------------------
void CAvi::SetFrame( AVIMaterial_t h, float flFrame ) { if ( h != AVIMATERIAL_INVALID ) { m_AVIMaterials[h]->SetFrame( flFrame ); } }
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