cinelerra/playback3d.h

   1 #ifndef PLAYBACK3D_H
   2 #define PLAYBACK3D_H
   3
   4 #include "arraylist.h"
   5 #include "bcpixmap.inc"
   6 #include "bcsynchronous.h"
   7 #include "bcwindowbase.inc"
   8 #include "canvas.inc"
   9 #include "condition.inc"
  10 #include "maskauto.inc"
  11 #include "maskautos.inc"
  12 #include "mutex.inc"
  13 #include "mwindow.inc"
  14 #include "pluginclient.inc"
  15 #include "thread.h"
  16 #include "vframe.inc"
  17
  18
  19
  20
  21
  22 // Macros for useful fragment shaders
  23 #define YUV_TO_RGB_FRAG(PIXEL) \
  24         PIXEL ".gb -= vec2(0.5, 0.5);\n" \
  25         PIXEL ".rgb = mat3(\n" \
  26         "        1,       1,            1, \n" \
  27         "        0,       -0.34414, 1.77200, \n" \
  28         "        1.40200, -0.71414, 0) * " PIXEL ".rgb;\n"
  29
  30 #define RGB_TO_YUV_FRAG(PIXEL) \
  31         PIXEL ".rgb = mat3(\n" \
  32         "        0.29900, -0.16874, 0.50000, \n" \
  33         "        0.58700, -0.33126, -0.41869, \n" \
  34         "        0.11400, 0.50000,  -0.08131) * " PIXEL ".rgb;\n" \
  35         PIXEL ".gb += vec2(0.5, 0.5);\n"
  36
  37 #define RGB_TO_HSV_FRAG(PIXEL) \
  38         "{\n" \
  39         "float r, g, b;\n" \
  40         "float h, s, v;\n" \
  41         "float min, max, delta;\n" \
  42         "float f, p, q, t;\n" \
  43         "r = " PIXEL ".r;\n" \
  44         "g = " PIXEL ".g;\n" \
  45         "b = " PIXEL ".b;\n" \
  46         "min = ((r < g) ? r : g) < b ? ((r < g) ? r : g) : b;\n" \
  47         "max = ((r > g) ? r : g) > b ? ((r > g) ? r : g) : b;\n" \
  48         "v = max;\n" \
  49         "delta = max - min;\n" \
  50         "if(max != 0.0 && delta != 0.0)\n" \
  51     "{\n" \
  52         "    s = delta / max;\n" \
  53         "       if(r == max)\n" \
  54     "           h = (g - b) / delta;\n" \
  55         "       else \n" \
  56         "       if(g == max)\n" \
  57     "           h = 2.0 + (b - r) / delta;\n" \
  58         "       else\n" \
  59     "           h = 4.0 + (r - g) / delta;\n" \
  60         "\n" \
  61         "       h *= 60.0;\n" \
  62         "       if(h < 0.0)\n" \
  63     "           h += 360.0;\n" \
  64         "}\n" \
  65         "else\n"  \
  66         "{\n" \
  67     "    s = 0.0;\n" \
  68     "    h = -1.0;\n" \
  69         "}\n" \
  70         "" PIXEL ".r = h;\n" \
  71         "" PIXEL ".g = s;\n" \
  72         "" PIXEL ".b = v;\n" \
  73         "}\n"
  74
  75 #define HSV_TO_RGB_FRAG(PIXEL) \
  76         "{\n" \
  77     "int i;\n" \
  78         "float r, g, b;\n" \
  79         "float h, s, v;\n" \
  80         "float min, max, delta;\n" \
  81         "float f, p, q, t;\n" \
  82         "h = " PIXEL ".r;\n" \
  83         "s = " PIXEL ".g;\n" \
  84         "v = " PIXEL ".b;\n" \
  85     "if(s == 0.0) \n" \
  86         "{\n" \
  87     "    r = g = b = v;\n" \
  88     "}\n" \
  89         "else\n" \
  90         "{\n" \
  91     "   h /= 60.0;\n" \
  92     "   i = int(h);\n" \
  93     "   f = h - float(i);\n" \
  94     "   p = v * (1.0 - s);\n" \
  95     "   q = v * (1.0 - s * f);\n" \
  96     "   t = v * (1.0 - s * (1.0 - f));\n" \
  97         "\n" \
  98     "   if(i == 0)\n" \
  99         "       {\n" \
 100     "           r = v;\n" \
 101     "           g = t;\n" \
 102     "           b = p;\n" \
 103     "    }\n" \
 104         "       else\n" \
 105         "       if(i == 1)\n" \
 106         "       {\n" \
 107     "           r = q;\n" \
 108     "           g = v;\n" \
 109     "           b = p;\n" \
 110     "    }\n" \
 111         "       else\n" \
 112         "       if(i == 2)\n" \
 113         "       {\n" \
 114     "           r = p;\n" \
 115     "           g = v;\n" \
 116     "           b = t;\n" \
 117     "   }\n" \
 118         "       else\n" \
 119         "       if(i == 3)\n" \
 120         "       {\n" \
 121     "           r = p;\n" \
 122     "           g = q;\n" \
 123     "           b = v;\n" \
 124     "   }\n" \
 125         "       else\n" \
 126         "       if(i == 4)\n" \
 127         "       {\n" \
 128     "           r = t;\n" \
 129     "           g = p;\n" \
 130     "           b = v;\n" \
 131     "    }\n" \
 132         "       else\n" \
 133         "       if(i == 5)\n" \
 134         "       {\n" \
 135     "           r = v;\n" \
 136     "           g = p;\n" \
 137     "           b = q;\n" \
 138     "   }\n" \
 139         "}\n" \
 140         "" PIXEL ".r = r;\n" \
 141         "" PIXEL ".g = g;\n" \
 142         "" PIXEL ".b = b;\n" \
 143         "}\n"
 144
 145
 146
 147 class Playback3DCommand : public BC_SynchronousCommand
 148 {
 149 public:
 150         Playback3DCommand();
 151         void copy_from(BC_SynchronousCommand *command);
 152
 153 // Extra commands
 154         enum
 155         {
 156 // 5
 157                 WRITE_BUFFER = LAST_COMMAND,
 158                 CLEAR_OUTPUT,
 159                 OVERLAY,
 160                 DO_FADE,
 161                 DO_MASK,
 162                 PLUGIN,
 163                 CLEAR_INPUT,
 164                 DO_CAMERA,
 165                 COPY_FROM
 166         };
 167
 168         Canvas *canvas;
 169         int is_cleared;
 170
 171 // Parameters for overlay command
 172         float in_x1;
 173         float in_y1;
 174         float in_x2;
 175         float in_y2;
 176         float out_x1;
 177         float out_y1;
 178         float out_x2;
 179         float out_y2;
 180 // 0 - 1
 181         float alpha;
 182         int mode;
 183         int interpolation_type;
 184         VFrame *input;
 185         int want_texture;
 186
 187         int64_t start_position_project;
 188         MaskAutos *keyframe_set;
 189         MaskAuto *keyframe;
 190         MaskAuto *default_auto;
 191         PluginClient *plugin_client;
 192 };
 193
 194
 195 class Playback3D : public BC_Synchronous
 196 {
 197 public:
 198         Playback3D(MWindow *mwindow);
 199         ~Playback3D();
 200
 201         BC_SynchronousCommand* new_command();
 202         void handle_command(BC_SynchronousCommand *command);
 203
 204 // Called by VDeviceX11::write_buffer during video playback
 205         void write_buffer(Canvas *canvas,
 206                 VFrame *frame,
 207                 float in_x1,
 208                 float in_y1,
 209                 float in_x2,
 210                 float in_y2,
 211                 float out_x1,
 212                 float out_y1,
 213                 float out_x2,
 214                 float out_y2,
 215                 int is_cleared);
 216
 217 // Reads from pbuffer to either RAM or texture and updates the dst state
 218 // want_texture - causes read into texture if 1
 219         void copy_from(Canvas *canvas,
 220                 VFrame *dst,
 221                 VFrame *src,
 222                 int want_texture = 0);
 223
 224 // Clear framebuffer before composing virtual console
 225 // output - passed when rendering refresh frame.  If 0, the canvas is cleared.
 226         void clear_output(Canvas *canvas, VFrame *output);
 227
 228         void do_fade(Canvas *canvas, VFrame *fade, float fade);
 229
 230         void do_mask(Canvas *canvas,
 231                 VFrame *output,
 232                 int64_t start_position_project,
 233                 MaskAutos *keyframe_set,
 234                 MaskAuto *keyframe,
 235                 MaskAuto *default_auto);
 236
 237
 238 // Overlay a virtual node on the framebuffer
 239         void overlay(Canvas *canvas,
 240                 VFrame *input,
 241                 float in_x1,
 242                 float in_y1,
 243                 float in_x2,
 244                 float in_y2,
 245                 float out_x1,
 246                 float out_y1,
 247                 float out_x2,
 248                 float out_y2,
 249                 float alpha,        // 0 - 1
 250                 int mode,
 251                 int interpolation_type,
 252 // supplied if rendering single frame to PBuffer.
 253                 VFrame *output = 0);
 254
 255
 256         int run_plugin(Canvas *canvas, PluginClient *client);
 257
 258         void clear_input(Canvas *canvas, VFrame *frame);
 259         void do_camera(Canvas *canvas,
 260                 VFrame *output,
 261                 VFrame *input,
 262                 float in_x1,
 263                 float in_y1,
 264                 float in_x2,
 265                 float in_y2,
 266                 float out_x1,
 267                 float out_y1,
 268                 float out_x2,
 269                 float out_y2);
 270
 271 private:
 272 // Called by write_buffer and clear_frame to initialize OpenGL flags
 273         void init_frame(Playback3DCommand *command);
 274         void write_buffer_sync(Playback3DCommand *command);
 275         void draw_output(Playback3DCommand *command);
 276         void clear_output_sync(Playback3DCommand *command);
 277         void clear_input_sync(Playback3DCommand *command);
 278         void overlay_sync(Playback3DCommand *command);
 279 // Read frame buffer back into texture for overlay operation
 280         void enable_overlay_texture(Playback3DCommand *command);
 281         void do_fade_sync(Playback3DCommand *command);
 282         void do_mask_sync(Playback3DCommand *command);
 283         void run_plugin_sync(Playback3DCommand *command);
 284         void do_camera_sync(Playback3DCommand *command);
 285 //      void draw_refresh_sync(Playback3DCommand *command);
 286         void copy_from_sync(Playback3DCommand *command);
 287
 288 // Print errors from shader compilation
 289         void print_error(unsigned int object, int is_program);
 290
 291 // This quits the program when it's 1.
 292         MWindow *mwindow;
 293 // Temporaries for render to texture
 294         BC_Texture *temp_texture;
 295 // This is set by clear_output and used in compositing directly
 296 // to the output framebuffer.
 297         int canvas_w;
 298         int canvas_h;
 299 };
 300
 301
 302
 303
 304 #endif