+ // process one line at a time, and CbCr every other line at 2 pixel intervals
+ for (y = 0;y < height;y++)
+ {
+ // 1x1 Y
+ for (b = cl_capturevideo_buffer + (height-1-y)*width*3, out = cl_capturevideo_buffer + width*height*3 + y*width, x = 0;x < width;x++, b += 3, out++)
+ *out = cl_capturevideo_yuvnormalizetable[0][cl_capturevideo_rgbtoyuvscaletable[0][0][b[0]] + cl_capturevideo_rgbtoyuvscaletable[0][1][b[1]] + cl_capturevideo_rgbtoyuvscaletable[0][2][b[2]]];
+ if ((y & 1) == 0)
+ {
+ // 2x2 Cb and Cr planes
+#if 1
+ // low quality, no averaging
+ for (b = cl_capturevideo_buffer + (height-2-y)*width*3, out = cl_capturevideo_buffer + width*height*3 + width*height + (y/2)*(width/2), x = 0;x < width/2;x++, b += 6, out++)
+ {
+ // Cr
+ out[0 ] = cl_capturevideo_yuvnormalizetable[2][cl_capturevideo_rgbtoyuvscaletable[2][0][b[0]] + cl_capturevideo_rgbtoyuvscaletable[2][1][b[1]] + cl_capturevideo_rgbtoyuvscaletable[2][2][b[2]] + 128];
+ // Cb
+ out[outoffset] = cl_capturevideo_yuvnormalizetable[1][cl_capturevideo_rgbtoyuvscaletable[1][0][b[0]] + cl_capturevideo_rgbtoyuvscaletable[1][1][b[1]] + cl_capturevideo_rgbtoyuvscaletable[1][2][b[2]] + 128];
+ }
+#else
+ // high quality, averaging
+ int inpitch = width*3;
+ for (b = cl_capturevideo_buffer + (height-2-y)*width*3, out = cl_capturevideo_buffer + width*height*3 + width*height + (y/2)*(width/2), x = 0;x < width/2;x++, b += 6, out++)
+ {
+ int blockr, blockg, blockb;
+ blockr = (b[0] + b[3] + b[inpitch+0] + b[inpitch+3]) >> 2;
+ blockg = (b[1] + b[4] + b[inpitch+1] + b[inpitch+4]) >> 2;
+ blockb = (b[2] + b[5] + b[inpitch+2] + b[inpitch+5]) >> 2;
+ // Cr
+ out[0 ] = cl_capturevideo_yuvnormalizetable[2][cl_capturevideo_rgbtoyuvscaletable[2][0][blockr] + cl_capturevideo_rgbtoyuvscaletable[2][1][blockg] + cl_capturevideo_rgbtoyuvscaletable[2][2][blockb] + 128];
+ // Cb
+ out[outoffset] = cl_capturevideo_yuvnormalizetable[1][cl_capturevideo_rgbtoyuvscaletable[1][0][blockr] + cl_capturevideo_rgbtoyuvscaletable[1][1][blockg] + cl_capturevideo_rgbtoyuvscaletable[1][2][blockb] + 128];
+ }
+#endif
+ }
+ }
+ for (;cl_capturevideo_frame < newframenum;cl_capturevideo_frame++)
+ if (!FS_Write (cl_capturevideo_videofile, cl_capturevideo_buffer + width*height*3, width*height+(width/2)*(height/2)*2))
+ return false;
+ return true;
+ case CAPTUREVIDEOFORMAT_RAWRGB:
+ qglReadPixels (x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, cl_capturevideo_buffer);
+ CHECKGLERROR
+ for (;cl_capturevideo_frame < newframenum;cl_capturevideo_frame++)
+ if (!FS_Write (cl_capturevideo_videofile, cl_capturevideo_buffer, width*height*3))
+ return false;
+ return true;