cvar_t vid_pixelaspect = {CVAR_SAVE, "vid_pixelaspect", "1"};
cvar_t scr_screenshot_jpeg = {CVAR_SAVE, "scr_screenshot_jpeg","0"};
cvar_t scr_screenshot_jpeg_quality = {CVAR_SAVE, "scr_screenshot_jpeg_quality","0.9"};
+cvar_t scr_screenshot_gamma = {CVAR_SAVE, "scr_screenshot_gamma","2.2"};
cvar_t scr_screenshot_name = {0, "scr_screenshot_name","dp"};
cvar_t cl_capturevideo = {0, "cl_capturevideo", "0"};
cvar_t cl_capturevideo_fps = {0, "cl_capturevideo_fps", "30"};
-cvar_t cl_capturevideo_raw = {0, "cl_capturevideo_raw", "0"};
+cvar_t cl_capturevideo_rawrgb = {0, "cl_capturevideo_rawrgb", "0"};
+cvar_t cl_capturevideo_rawyv12 = {0, "cl_capturevideo_rawyv12", "0"};
cvar_t r_textshadow = {0, "r_textshadow", "0"};
cvar_t r_letterbox = {0, "r_letterbox", "0"};
Cvar_RegisterVariable (&vid_pixelaspect);
Cvar_RegisterVariable (&scr_screenshot_jpeg);
Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
+ Cvar_RegisterVariable (&scr_screenshot_gamma);
Cvar_RegisterVariable (&cl_capturevideo);
Cvar_RegisterVariable (&cl_capturevideo_fps);
- Cvar_RegisterVariable (&cl_capturevideo_raw);
+ Cvar_RegisterVariable (&cl_capturevideo_rawrgb);
+ Cvar_RegisterVariable (&cl_capturevideo_rawyv12);
Cvar_RegisterVariable (&r_textshadow);
Cvar_RegisterVariable (&r_letterbox);
{
CAPTUREVIDEOFORMAT_TARGA,
CAPTUREVIDEOFORMAT_JPEG,
- CAPTUREVIDEOFORMAT_RAW
+ CAPTUREVIDEOFORMAT_RAWRGB,
+ CAPTUREVIDEOFORMAT_RAWYV12
}
capturevideoformat_t;
static qbyte *cl_capturevideo_buffer = NULL;
static qfile_t *cl_capturevideo_videofile = NULL;
static qfile_t *cl_capturevideo_soundfile = NULL;
+static short cl_capturevideo_rgbtoyuvscaletable[3][3][256];
+static unsigned char cl_capturevideo_yuvnormalizetable[3][256];
+static unsigned char cl_capturevideo_rgbgammatable[3][256];
void SCR_CaptureVideo_BeginVideo(void)
{
+ double gamma, g;
+ unsigned int i, j;
qbyte out[44];
if (cl_capturevideo_active)
return;
cl_capturevideo_soundrate = 0;
cl_capturevideo_frame = 0;
cl_capturevideo_buffer = Mem_Alloc(tempmempool, vid.realwidth * vid.realheight * (3+3+3) + 18);
+ gamma = 1.0/scr_screenshot_gamma.value;
- if (cl_capturevideo_raw.integer)
+ for (i = 0;i < 256;i++)
{
- cl_capturevideo_format = CAPTUREVIDEOFORMAT_RAW;
+ j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
+ cl_capturevideo_rgbgammatable[0][i] = j;
+ cl_capturevideo_rgbgammatable[1][i] = j;
+ cl_capturevideo_rgbgammatable[2][i] = j;
+ }
+/*
+R = Y + 1.4075 * (Cr - 128);
+G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
+B = Y + 1.7790 * (Cb - 128);
+Y = R * .299 + G * .587 + B * .114;
+Cb = R * -.169 + G * -.332 + B * .500 + 128.;
+Cr = R * .500 + G * -.419 + B * -.0813 + 128.;
+*/
+ for (i = 0;i < 256;i++)
+ {
+ g = i;//255*pow(i/255.0, gamma);
+ // Y weights from RGB
+ cl_capturevideo_rgbtoyuvscaletable[0][0][i] = (short)(g * 0.299);
+ cl_capturevideo_rgbtoyuvscaletable[0][1][i] = (short)(g * 0.587);
+ cl_capturevideo_rgbtoyuvscaletable[0][2][i] = (short)(g * 0.114);
+ // Cb weights from RGB
+ cl_capturevideo_rgbtoyuvscaletable[1][0][i] = (short)(g * -0.169);
+ cl_capturevideo_rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
+ cl_capturevideo_rgbtoyuvscaletable[1][2][i] = (short)(g * 0.500);
+ // Cr weights from RGB
+ cl_capturevideo_rgbtoyuvscaletable[2][0][i] = (short)(g * 0.500);
+ cl_capturevideo_rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
+ cl_capturevideo_rgbtoyuvscaletable[2][2][i] = (short)(g * -0.0813);
+ // range reduction of YCbCr to valid signal range
+ cl_capturevideo_yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
+ cl_capturevideo_yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
+ cl_capturevideo_yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
+ }
+
+ if (cl_capturevideo_rawrgb.integer)
+ {
+ cl_capturevideo_format = CAPTUREVIDEOFORMAT_RAWRGB;
cl_capturevideo_videofile = FS_Open ("video/dpvideo.rgb", "wb", false);
}
+ else if (cl_capturevideo_rawyv12.integer)
+ {
+ cl_capturevideo_format = CAPTUREVIDEOFORMAT_RAWYV12;
+ cl_capturevideo_videofile = FS_Open ("video/dpvideo.yv12", "wb", false);
+ }
else if (scr_screenshot_jpeg.integer)
{
cl_capturevideo_format = CAPTUREVIDEOFORMAT_JPEG;
cl_capturevideo_frame = 0;
}
-qboolean SCR_CaptureVideo_VideoFrame(void)
+qboolean SCR_CaptureVideo_VideoFrame(int newframenum)
{
int x = vid.realx, y = vid.realy, width = vid.realwidth, height = vid.realheight;
+ unsigned char *b, *out;
char filename[32];
+ int outoffset = (width/2)*(height/2);
//return SCR_ScreenShot(filename, cl_capturevideo_buffer, cl_capturevideo_buffer + vid.realwidth * vid.realheight * 3, cl_capturevideo_buffer + vid.realwidth * vid.realheight * 6, vid.realx, vid.realy, vid.realwidth, vid.realheight, false, false, false, jpeg);
// speed is critical here, so do saving as directly as possible
- if (!r_render.integer)
- return false;
switch (cl_capturevideo_format)
{
- case CAPTUREVIDEOFORMAT_RAW:
+ case CAPTUREVIDEOFORMAT_RAWYV12:
+ // FIXME: width/height must be multiple of 2, enforce this?
+ qglReadPixels (x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, cl_capturevideo_buffer);
+ CHECKGLERROR
+ // 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
- return FS_Write (cl_capturevideo_videofile, cl_capturevideo_buffer, width*height*3);
+ for (;cl_capturevideo_frame < newframenum;cl_capturevideo_frame++)
+ if (!FS_Write (cl_capturevideo_videofile, cl_capturevideo_buffer, width*height*3))
+ return false;
+ return true;
case CAPTUREVIDEOFORMAT_JPEG:
- sprintf(filename, "video/dp%06d.jpg", cl_capturevideo_frame);
qglReadPixels (x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, cl_capturevideo_buffer);
CHECKGLERROR
- return JPEG_SaveImage_preflipped (filename, width, height, cl_capturevideo_buffer);
+ for (;cl_capturevideo_frame < newframenum;cl_capturevideo_frame++)
+ {
+ sprintf(filename, "video/dp%06d.jpg", cl_capturevideo_frame);
+ if (!JPEG_SaveImage_preflipped (filename, width, height, cl_capturevideo_buffer))
+ return false;
+ }
+ return true;
case CAPTUREVIDEOFORMAT_TARGA:
//return Image_WriteTGARGB_preflipped (filename, width, height, cl_capturevideo_buffer, cl_capturevideo_buffer + vid.realwidth * vid.realheight * 3, );
memset (cl_capturevideo_buffer, 0, 18);
cl_capturevideo_buffer[16] = 24; // pixel size
qglReadPixels (x, y, width, height, GL_BGR, GL_UNSIGNED_BYTE, cl_capturevideo_buffer + 18);
CHECKGLERROR
- sprintf(filename, "video/dp%06d.tga", cl_capturevideo_frame);
- return FS_WriteFile (filename, cl_capturevideo_buffer, width*height*3 + 18);
+ for (;cl_capturevideo_frame < newframenum;cl_capturevideo_frame++)
+ {
+ sprintf(filename, "video/dp%06d.tga", cl_capturevideo_frame);
+ if (!FS_WriteFile (filename, cl_capturevideo_buffer, width*height*3 + 18))
+ return false;
+ }
+ return true;
default:
return false;
}
void SCR_CaptureVideo(void)
{
- int newframenum, c;
- if (cl_capturevideo.integer)
+ int newframenum;
+ if (cl_capturevideo.integer && r_render.integer)
{
if (!cl_capturevideo_active)
SCR_CaptureVideo_BeginVideo();
Cvar_SetValueQuick(&cl_capturevideo_fps, cl_capturevideo_framerate);
}
newframenum = (Sys_DoubleTime() - cl_capturevideo_starttime) * cl_capturevideo_framerate;
- c = (int)ceil(cl_capturevideo_framerate);
- while (cl_capturevideo_frame < newframenum)
+ // if falling behind more than one second, stop
+ if (newframenum - cl_capturevideo_frame > (int)ceil(cl_capturevideo_framerate))
{
- if ((c--) && SCR_CaptureVideo_VideoFrame())
- cl_capturevideo_frame++;
- else
- {
- Cvar_SetValueQuick(&cl_capturevideo, 0);
- if (c == 0)
- Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cl_capturevideo_frame);
- else
- Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cl_capturevideo_frame);
- SCR_CaptureVideo_EndVideo();
- break;
- }
+ Cvar_SetValueQuick(&cl_capturevideo, 0);
+ Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cl_capturevideo_frame);
+ SCR_CaptureVideo_EndVideo();
+ return;
+ }
+ // write frames
+ if (!SCR_CaptureVideo_VideoFrame(newframenum))
+ {
+ Cvar_SetValueQuick(&cl_capturevideo, 0);
+ Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cl_capturevideo_frame);
+ SCR_CaptureVideo_EndVideo();
}
}
else if (cl_capturevideo_active)