diff options
Diffstat (limited to 'kopete/libkopete/avdevice/qvideo.cpp')
| -rw-r--r-- | kopete/libkopete/avdevice/qvideo.cpp | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/kopete/libkopete/avdevice/qvideo.cpp b/kopete/libkopete/avdevice/qvideo.cpp new file mode 100644 index 00000000..ad6fb762 --- /dev/null +++ b/kopete/libkopete/avdevice/qvideo.cpp @@ -0,0 +1,154 @@ +/*************************************************************************** + qvideo.cpp + ---------- + begin : Sat Jun 12 2004 + copyright : (C) 2004 by Dirk Ziegelmeier + (C) 2002 by George Staikos + email : dziegel@gmx.de + ***************************************************************************/ + +/* + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#include "qvideo.h" + +#include <kdebug.h> +#include <qpaintdevice.h> + +#include <X11/Xlib.h> +#include <X11/Xutil.h> + +unsigned int QVideo::bytesppForFormat(ImageFormat fmt) +{ + switch (fmt) { + case FORMAT_RGB32: + case FORMAT_RGB24: + case FORMAT_BGR32: + case FORMAT_BGR24: + return 4; + + case FORMAT_RGB15_LE: + case FORMAT_RGB16_LE: + case FORMAT_RGB15_BE: + case FORMAT_RGB16_BE: + case FORMAT_YUYV: + case FORMAT_UYVY: + case FORMAT_YUV422P: + case FORMAT_YUV420P: + return 2; + + case FORMAT_GREY: + case FORMAT_HI240: + return 1; + + default: + // unknown format + return 0; + } +} + +bool QVideo::findDisplayProperties(ImageFormat& fmt, int& depth, unsigned int& bitsperpixel, int& bytesperpixel) +{ + XVisualInfo *vi_in, vi_out; + long mask = VisualScreenMask; + int nvis = 0; + + ImageFormat p = FORMAT_NONE; + int bpp = 0; + int d = 0; + + vi_out.screen = QPaintDevice::x11AppScreen(); + vi_in = XGetVisualInfo(qt_xdisplay(), mask, &vi_out, &nvis); + + if (vi_in) { + for (int i = 0; i < nvis; i++) { + bpp = 0; + int n; + XPixmapFormatValues *pf = XListPixmapFormats(qt_xdisplay(),&n); + d = vi_in[i].depth; + for (int j = 0; j < n; j++) { + if (pf[j].depth == d) { + bpp = pf[j].bits_per_pixel; + break; + } + } + XFree(pf); + + // FIXME: Endianess detection + + p = FORMAT_NONE; + switch (bpp) { + case 32: + if (vi_in[i].red_mask == 0xff0000 && + vi_in[i].green_mask == 0x00ff00 && + vi_in[i].blue_mask == 0x0000ff) { + p = FORMAT_BGR32; + kdDebug() << "QVideo: Found BGR32 display." << endl; + } + break; + case 24: + if (vi_in[i].red_mask == 0xff0000 && + vi_in[i].green_mask == 0x00ff00 && + vi_in[i].blue_mask == 0x0000ff) { + p = FORMAT_BGR24; + kdDebug() << "QVideo: Found BGR24 display." << endl; + } + break; + case 16: + if (vi_in[i].red_mask == 0x00f800 && + vi_in[i].green_mask == 0x0007e0 && + vi_in[i].blue_mask == 0x00001f) { + p = FORMAT_RGB15_LE; + kdDebug() << "QVideo: Found RGB16_LE display." << endl; + } else + if (vi_in[i].red_mask == 0x007c00 && + vi_in[i].green_mask == 0x0003e0 && + vi_in[i].blue_mask == 0x00001f) { + p = FORMAT_RGB15_LE; + kdDebug() << "QVideo: Found RGB15_LE display." << endl; + } + break; + case 8: + default: + continue; + } + + if (p != FORMAT_NONE) + break; + } + XFree(vi_in); + } + + if (p != FORMAT_NONE) { + int bytespp = bytesppForFormat(p); + kdDebug() << "QVideo: Display properties: depth: " << d + << ", bits/pixel: " << bpp + << ", bytes/pixel: " << bytespp << endl; + fmt = p; + bitsperpixel = bpp; + bytesperpixel = bytespp; + depth = d; + return true; + } else { + kdWarning() << "QVideo: Unable to find out palette. What display do you have????" << endl; + fmt = FORMAT_NONE; + bitsperpixel = 0; + bytesperpixel = 0; + depth = 0; + return false; + } +} |