Added a null movie class that simply displays a black background instead of a movie.

stepmania/src/arch/MovieTexture/MovieTexture.cpp

@@ -2,9 +2,15 @@
 #include "MovieTexture.h"
 #include "RageUtil.h"
 #include "RageLog.h"
+#include "MovieTexture_null.h"
 
+/* Why is this _WINDOWS and not WIN32?
+ * --steve */
 #if defined(_WINDOWS)
 #include "MovieTexture_DShow.h"
+#define DEFAULT_MOVIE_DRIVER_LIST "DShow"
+#else
+#define DEFAULT_MOVIE_DRIVER_LIST "Null"
 #endif
 
 #include <fstream>
@@ -59,16 +65,33 @@ static void DumpAVIDebugInfo( CString fn )
 }
 
 /* Try drivers in order of preference until we find one that works. */
-/* Well, eventually; for now it's DShow or bust.w */
 RageMovieTexture *MakeRageMovieTexture(RageTextureID ID)
 {
 	DumpAVIDebugInfo( ID.filename );
 
-#if defined(_WINDOWS)
-	return new MovieTexture_DShow(ID);
-#else
-	/* XXX: need a simple null movie texture object */
-	RageException::Throw("xxx");
+	CStringArray DriversToTry;
+	split(DEFAULT_MOVIE_DRIVER_LIST, ",", DriversToTry, true);
+	ASSERT(DriversToTry.size() != 0);
+
+	CString Driver;
+	RageMovieTexture *ret = NULL;
+
+	for (unsigned i=0; ret==NULL && i<DriversToTry.size(); ++i) {
+		try {
+			Driver = DriversToTry[i];
+			LOG->Trace("Initializing driver: %s", Driver.c_str());
+#ifdef _WINDOWS
+			if (!Driver.CompareNoCase("DShow")) ret = new MovieTexture_DShow(ID);
 #endif
+			if (!Driver.CompareNoCase("Null")) ret = new MovieTexture_Null(ID);
+			if (!ret)
+				LOG->Warn("Unknown movie driver name: %s", Driver.c_str());
+		} catch (const RageException &e) {
+			LOG->Info("Couldn't load driver %s: %s", Driver.c_str(), e.what());
+		}
+	}
+	if (!ret)
+        RageException::Throw("Couldn't create a movie texture");
+	return ret;
 }
 

stepmania/src/arch/MovieTexture/MovieTexture_Null.cpp

@@ -0,0 +1,71 @@
+/*
+ *  MovieTexture_null.cpp
+ *  stepmania
+ *
+ *  Created by Steve Checkoway on Wed Jul 16 2003.
+ *  Copyright (c) 2003 Steve Checkoway. All rights reserved.
+ *
+ */
+
+#include "global.h"
+#include "RageDisplay.h"
+#include "RageTextureManager.h"
+#include "RageUtil.h"
+#include "RageLog.h"
+#include "RageException.h"
+#include "MovieTexture_null.h"
+#include "SDL_utils.h"
+
+MovieTexture_Null::MovieTexture_Null(RageTextureID ID) : RageMovieTexture(ID) {
+    LOG->Trace("MovieTexture_Null::MovieTexture_Null(ID)");
+    texHandle = 0;
+
+    RageTextureID actualID = GetID();
+
+    actualID.iAlphaBits = 0;
+    long size = actualID.iMaxSize = min(actualID.iMaxSize, DISPLAY->GetMaxTextureSize());
+    m_iSourceWidth = size;
+    m_iSourceHeight = size;
+    m_iImageWidth = size;
+    m_iImageHeight = size;
+    m_iTextureWidth = power_of_two(size);
+    m_iTextureHeight = m_iTextureWidth;
+    m_iFramesWide = 1;
+    m_iFramesHigh = 1;
+
+    CreateFrameRects();
+
+    PixelFormat pixfmt;
+
+    switch( TEXTUREMAN->GetMovieColorDepth() ){
+        default:
+            ASSERT(0);
+        case 16:
+            if( DISPLAY->SupportsTextureFormat(FMT_RGB5) )
+                pixfmt = FMT_RGB5;
+            else
+                pixfmt = FMT_RGBA4;	// everything supports RGBA4
+            break;
+        case 32:
+            if( DISPLAY->SupportsTextureFormat(FMT_RGB8) )
+                pixfmt = FMT_RGB8;
+            else if( DISPLAY->SupportsTextureFormat(FMT_RGBA8) )
+                pixfmt = FMT_RGBA8;
+            else if( DISPLAY->SupportsTextureFormat(FMT_RGB5) )
+                pixfmt = FMT_RGB5;
+            else
+                pixfmt = FMT_RGBA4;	// everything supports RGBA4
+            break;
+    }
+
+    const PixelFormatDesc *pfd = DISPLAY->GetPixelFormatDesc(pixfmt);
+    SDL_Surface *img = SDL_CreateRGBSurfaceSane(SDL_SWSURFACE, size, size, pfd->bpp, pfd->masks[0],
+                                                pfd->masks[1], pfd->masks[2], pfd->masks[3]);
+    texHandle = DISPLAY->CreateTexture(pixfmt, img);
+    //DISPLAY->UpdateTexture(texHandle, img, 0, 0, size, size);
+    SDL_FreeSurface(img);
+}
+
+MovieTexture_Null::~MovieTexture_Null() {
+    DISPLAY->DeleteTexture(texHandle);
+}

stepmania/src/arch/MovieTexture/MovieTexture_Null.h

@@ -0,0 +1,37 @@
+#ifndef MOVIE_TEXTURE_NULL
+#define MOVIE_TEXTURE_NULL
+/*
+ *  MovieTexture_null.h
+ *  stepmania
+ *
+ *  Created by Steve Checkoway on Wed Jul 16 2003.
+ *  Copyright (c) 2003 Steve Checkoway. All rights reserved.
+ *
+ */
+
+#include "MovieTexture.h"
+#include "RageTexture.h"
+
+class MovieTexture_Null : public RageMovieTexture {
+private:
+    bool playing;
+    bool loop;
+    unsigned texHandle;
+
+public:
+    MovieTexture_Null(RageTextureID ID);
+    virtual ~MovieTexture_Null();
+    void Invalidate() { texHandle = 0; }
+    unsigned GetTexHandle() const { return texHandle; }
+    void Update(float delta) { }
+    void Reload() { }
+    void Play() { playing = true; }
+    void Pause() { playing = false; }
+    void Stop() { playing = false; }
+    void SetPosition(float seconds) { }
+    void SetPlaybackRate(float rate) { }
+    bool IsPlaying() const { return playing; }
+    void SetLooping(bool looping=true) { loop = looping; }
+};
+
+#endif /* MOVIE_TEXTURE_NULL */