GLvideo_rt.h

   1 /* ***** BEGIN LICENSE BLOCK *****
   2  *
   3  * The MIT License
   4  *
   5  * Copyright (c) 2008 BBC Research
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a copy
   8  * of this software and associated documentation files (the "Software"), to deal
   9  * in the Software without restriction, including without limitation the rights
  10  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11  * copies of the Software, and to permit persons to whom the Software is
  12  * furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included in
  15  * all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  23  * THE SOFTWARE.
  24  *
  25  * ***** END LICENSE BLOCK ***** */
  26
  27 #ifndef GLVIDEO_RT_H_
  28 #define GLVIDEO_RT_H_
  29
  30 #include <GL/glew.h>
  31
  32 #ifdef Q_OS_WIN32
  33 #include <GL/wglew.h>
  34 #endif
  35
  36 #ifdef Q_WS_X11
  37 #include <GL/glxew.h>
  38 #endif
  39
  40 #include <QtGui>
  41
  42 #include "GLvideo_renderer.h"
  43
  44 class GLvideo_mt;
  45 class FTFont;
  46 class VideoData;
  47 namespace GLVideoRenderer
  48 {
  49 class GLVideoRenderer;
  50 }
  51 class GLvideo_params;
  52 class GLvideo_osd;
  53
  54 class GLvideo_rt : public QThread {
  55 public:
  56
  57         GLvideo_rt(GLvideo_mt &glWidget, GLvideo_params& params);
  58         ~GLvideo_rt();
  59         void resizeViewport(int w, int h);
  60         void run();
  61
  62 private:
  63         enum ShaderPrograms {
  64                 Progressive = 0x0,
  65                 Deinterlace = 0x1,
  66                 shaderUYVY = 0,
  67                 shaderPlanar = 2,
  68                 /* Increment in steps of 2 */
  69                 shaderBogus,
  70                 shaderMax};
  71
  72         void compileFragmentShaders();
  73         void compileFragmentShader(int n, const char *src);
  74         void updateShaderVars(int program, VideoData *videoData, GLvideo_params& params, float colourMatrix[4][4]);
  75 #ifdef WITH_OSD
  76         void renderOSD(VideoData *videoData, FTFont *font, float fps, int osd,
  77                 float osdScale);
  78         void renderPerf(VideoData *videoData, FTFont *font);
  79 #endif
  80
  81         bool doRendering;
  82
  83         GLuint programs[shaderMax]; //handles for the shaders and programs
  84         GLuint shaders[shaderMax];
  85         GLint compiled[shaderMax];
  86         GLint linked[shaderMax]; //flags for success
  87         GLvideo_mt &glw; //parent widget
  88
  89         QMutex mutex;
  90
  91         GLvideo_osd *osd;
  92         GLVideoRenderer::GLVideoRenderer *renderer[2];
  93         GLvideo_params& params;
  94
  95         bool doResize;
  96         int displaywidth;
  97         int displayheight;
  98 };
  99
 100 #endif /*GLVIDEO_RT_H_*/