222 lines
8.4 KiB
C++
222 lines
8.4 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================
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#ifndef QUICKTIME_MATERIAL_H
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#define QUICKTIME_MATERIAL_H
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#ifdef _WIN32
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#pragma once
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#endif
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//-----------------------------------------------------------------------------
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// Forward declarations
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//-----------------------------------------------------------------------------
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class IFileSystem;
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class IMaterialSystem;
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class CQuickTimeMaterial;
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//-----------------------------------------------------------------------------
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// Global interfaces - you already did the needed includes, right?
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//-----------------------------------------------------------------------------
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extern IFileSystem *g_pFileSystem;
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extern IMaterialSystem *materials;
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//-----------------------------------------------------------------------------
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// Quicktime includes
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//-----------------------------------------------------------------------------
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#if defined ( OSX )
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#include <quicktime/QTML.h>
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#include <quicktime/Movies.h>
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#include <quicktime/MediaHandlers.h>
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#elif defined ( WIN32 )
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#include <QTML.h>
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#include <Movies.h>
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#include <windows.h>
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#include <MediaHandlers.h>
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#elif
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#error "Quicktime not supported on this target platform"
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#endif
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#include "video/ivideoservices.h"
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#include "video_macros.h"
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#include "quicktime_common.h"
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#include "materialsystem/itexture.h"
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#include "materialsystem/imaterialsystem.h"
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#include "materialsystem/MaterialSystemUtil.h"
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// -----------------------------------------------------------------------------
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// Texture regenerator - callback to get new movie pixels into the texture
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// -----------------------------------------------------------------------------
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class CQuicktimeMaterialRGBTextureRegenerator : public ITextureRegenerator
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{
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public:
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CQuicktimeMaterialRGBTextureRegenerator();
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~CQuicktimeMaterialRGBTextureRegenerator();
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void SetSourceGWorld( GWorldPtr theGWorld, int nWidth, int nHeight );
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// Inherited from ITextureRegenerator
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virtual void RegenerateTextureBits( ITexture *pTexture, IVTFTexture *pVTFTexture, Rect_t *pRect );
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virtual void Release();
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private:
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GWorldPtr m_SrcGWorld;
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int m_nSourceWidth;
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int m_nSourceHeight;
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};
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// -----------------------------------------------------------------------------
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// Class used to play a QuickTime video onto a texture
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// -----------------------------------------------------------------------------
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class CQuickTimeMaterial : public IVideoMaterial
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{
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public:
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CQuickTimeMaterial();
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~CQuickTimeMaterial();
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static const int MAX_QT_FILENAME_LEN = 255;
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static const int MAX_MATERIAL_NAME_LEN = 255;
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static const int TEXTURE_SIZE_ALIGNMENT = 8;
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// Initializes, shuts down the material
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bool Init( const char *pMaterialName, const char *pFileName, VideoPlaybackFlags_t flags );
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void Shutdown();
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// Video information functions
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virtual const char *GetVideoFileName(); // Gets the file name of the video this material is playing
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virtual VideoResult_t GetLastResult(); // Gets detailed info on the last operation
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virtual VideoFrameRate_t &GetVideoFrameRate(); // Returns the frame rate of the associated video in FPS
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// Audio Functions
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virtual bool HasAudio(); // Query if the video has an audio track
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virtual bool SetVolume( float fVolume ); // Adjust the playback volume
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virtual float GetVolume(); // Query the current volume
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virtual void SetMuted( bool bMuteState ); // Mute/UnMutes the audio playback
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virtual bool IsMuted(); // Query muted status
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virtual VideoResult_t SoundDeviceCommand( VideoSoundDeviceOperation_t operation, void *pDevice = nullptr, void *pData = nullptr ); // Assign Sound Device for this Video Material
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// Video playback state functions
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virtual bool IsVideoReadyToPlay(); // Queries if the video material was initialized successfully and is ready for playback, but not playing or finished
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virtual bool IsVideoPlaying(); // Is the video currently playing (and needs update calls, etc)
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virtual bool IsNewFrameReady(); // Do we have a new frame to get & display?
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virtual bool IsFinishedPlaying(); // Have we reached the end of the movie
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virtual bool StartVideo(); // Starts the video playing
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virtual bool StopVideo(); // Terminates the video playing
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virtual void SetLooping( bool bLoopVideo ); // Sets the video to loop (or not)
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virtual bool IsLooping(); // Queries if the video is looping
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virtual void SetPaused( bool bPauseState ); // Pauses or Unpauses video playback
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virtual bool IsPaused(); // Queries if the video is paused
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// Position in playback functions
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virtual float GetVideoDuration(); // Returns the duration of the associated video in seconds
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virtual int GetFrameCount(); // Returns the total number of (unique) frames in the video
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virtual bool SetFrame( int FrameNum ); // Sets the current frame # in the video to play next
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virtual int GetCurrentFrame(); // Gets the current frame # for the video playback, 0 Based
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virtual bool SetTime( float flTime ); // Sets the video playback to specified time (in seconds)
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virtual float GetCurrentVideoTime(); // Gets the current time in the video playback
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// Update function
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virtual bool Update(); // Updates the video frame to reflect the time passed, true = new frame available
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// Material / Texture Info functions
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virtual IMaterial *GetMaterial(); // Gets the IMaterial associated with an video material
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virtual void GetVideoTexCoordRange( float *pMaxU, float *pMaxV ) ; // Returns the max texture coordinate of the video portion of the material surface ( 0.0, 0.0 to U, V )
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virtual void GetVideoImageSize( int *pWidth, int *pHeight ); // Returns the frame size of the Video Image Frame in pixels ( the stored in a subrect of the material itself)
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private:
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friend class CQuicktimeMaterialRGBTextureRegenerator;
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void Reset(); // clears internal state
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void SetQTFileName( const char *theQTMovieFileName );
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VideoResult_t SetResult( VideoResult_t status );
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// Initializes, shuts down the video stream
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void OpenQTMovie( const char *theQTMovieFileName );
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void CloseQTFile();
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// Initializes, shuts down the procedural texture
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void CreateProceduralTexture( const char *pTextureName );
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void DestroyProceduralTexture();
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// Initializes, shuts down the procedural material
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void CreateProceduralMaterial( const char *pMaterialName );
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void DestroyProceduralMaterial();
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CQuicktimeMaterialRGBTextureRegenerator m_TextureRegen;
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VideoResult_t m_LastResult;
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CMaterialReference m_Material; // Ref to Material used for rendering the video frame
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CTextureReference m_Texture; // Ref to the renderable texture which contains the most recent video frame (in a sub-rect)
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float m_TexCordU; // Max U texture coordinate of the texture sub-rect which holds the video frame
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float m_TexCordV; // Max V texture coordinate of the texture sub-rect which holds the video frame
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int m_VideoFrameWidth; // Size of the movie frame in pixels
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int m_VideoFrameHeight;
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char *m_pFileName; // resolved filename of the movie being played
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VideoPlaybackFlags_t m_PlaybackFlags; // option flags user supplied
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bool m_bInitCalled;
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bool m_bMovieInitialized;
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bool m_bMoviePlaying;
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bool m_bMovieFinishedPlaying;
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bool m_bMoviePaused;
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bool m_bLoopMovie;
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bool m_bHasAudio;
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bool m_bMuted;
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float m_CurrentVolume;
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// QuickTime Stuff
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Movie m_QTMovie;
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TimeScale m_QTMovieTimeScale; // Units per second
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TimeValue m_QTMovieDuration; // movie duration in TimeScale Units Per Second
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float m_QTMovieDurationinSec; // movie duration in seconds
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VideoFrameRate_t m_QTMovieFrameRate; // Frame Rate of movie
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int m_QTMovieFrameCount;
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Rect m_QTMovieRect;
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GWorldPtr m_MovieGWorld;
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QTAudioContextRef m_AudioContext;
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TimeValue m_MovieFirstFrameTime;
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TimeValue m_NextInterestingTimeToPlay;
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TimeValue m_MoviePauseTime;
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};
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#endif // QUICKTIME_MATERIAL_H
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