You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
155 lines
4.4 KiB
155 lines
4.4 KiB
/***************************************************************************
|
|
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., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include "qvideo.h"
|
|
|
|
#include <kdebug.h>
|
|
#include <tqpaintdevice.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 = TQPaintDevice::x11AppScreen();
|
|
vi_in = XGetVisualInfo(tqt_xdisplay(), mask, &vi_out, &nvis);
|
|
|
|
if (vi_in) {
|
|
for (int i = 0; i < nvis; i++) {
|
|
bpp = 0;
|
|
int n;
|
|
XPixmapFormatValues *pf = XListPixmapFormats(tqt_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;
|
|
}
|
|
}
|