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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* player.cc
*
* Mon Mar 6 20:14:25 CET 2006
* Copyright 2006 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of MIaV.
*
* MIaV is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MIaV 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MIaV; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "player.h"
#include "info.h"
#include <QX11Info>
#define DV_FOURCC_YV12 0x32315659 /* 4:2:0 Planar mode: Y + V + U (3 planes) */
#define DV_FOURCC_YUY2 0x32595559 /* 4:2:2 Packed mode: Y0+U0+Y1+V0 (1 plane) */
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <X11/extensions/Xv.h>
#include <X11/extensions/Xvlib.h>
#include <X11/extensions/XShm.h>
#include <sys/ipc.h>
#include <sys/shm.h>
Player::Player(VideoWidget *v)
{
video = v;
// dpy = XOpenDisplay(NULL); // Get the deafult display
display = video->x11Info().display();
drawable = video->winId();
gc = XCreateGC(display, drawable, 0, 0);
//
// Check version
//
unsigned int version, release;
unsigned int request_base, event_base, error_base;
switch(XvQueryExtension(display, &version, &release, &request_base, &event_base, &error_base)) {
case Success:
MIaV::info->info("Returned if XvQueryExtension(3X) completed successfully.");
break;
case XvBadExtension:
MIaV::info->info("Returned if the Xv video extension is not available for the named display.");
break;
case XvBadAlloc:
MIaV::info->info("Returned if XvQueryExtension(3X) failed to allocate memory to process the request.");
break;
}
//
// Find port
//
unsigned int adaptors;
XvAdaptorInfo *ai;
switch(XvQueryAdaptors(display, drawable, &adaptors, &ai)) {
case Success:
MIaV::info->info("Returned if XvQueryAdaptors(3X) completed successfully.");
break;
case XvBadExtension:
MIaV::info->info("Returned if the Xv video extension is not available for the named display.");
break;
case XvBadAlloc:
MIaV::info->info("Returned if XvQueryAdaptors(3X) failed to allocate memory to process the request.");
break;
}
/*
typedef struct {
XvPortID base_id;
unsigned long num_ports;
char type;
char *name;
unsigned long num_formats;
XvFormat *formats;
unsigned long num_adaptors;
} XvAdaptorInfo;
*/
if(adaptors == 0) {
MIaV::info->error("Unable to find any adapters.");
return;
}
/* check adaptors */
port = 0;
for (unsigned int i = 0; i < adaptors; i++) {
if ((ai[i].type & XvInputMask) &&
(ai[i].type & XvImageMask) &&
(port == 0)) {
port = ai[i].base_id;
}
}
if(port == 0) {
MIaV::info->error("Unable to find suitable port.");
return;
} else {
MIaV::info->info("Using port %d.", port);
}
}
Player::~Player()
{
//XCloseDisplay(dpy); // Close the Display
}
extern XvImage *XvShmCreateImage(Display*, XvPortID, int, char*, int, int, XShmSegmentInfo*);
void Player::run()
{
XShmSegmentInfo yuv_shminfo;
yuv_shminfo.shmid = shmget(IPC_PRIVATE,
720*576*4, //yuv_image->data_size,
IPC_CREAT | 0777);
// yuv_shminfo.shmaddr = shmat(yuv_shminfo.shmid, 0, 0);
yuv_shminfo.readOnly = False;
char pixels[720*576*4][4];
XvImage* xv_image = XvShmCreateImage(display, port,
DV_FOURCC_YUY2, // DV_FOURCC_YV12
pixels[0],
720, 576,// dv_dpy->width, dv_dpy->height,
&yuv_shminfo);
int swidth = 720;
int sheight = 576;
int lxoff = 0;
int lyoff = 0;
int lwidth = swidth;
int lheight = sheight;
XvShmPutImage(display, port,
drawable, gc,
xv_image,
0, 0,
swidth, sheight,
lxoff, lyoff,
lwidth, lheight,
True);
XFlush(display);
// XvPutStill(display, port, drawable, gc, 0, 0, 320, 200, 0, 0, 320, 200);
}
// From:
// http://cvs.sourceforge.net/viewcvs.py/libmpeg2/MSSG/display_x11.c?rev=1.2
#if 0
#ifdef HAVE_XV
xv_port = 0;
if (Success == XvQueryExtension(mydisplay,&ver,&rel,&req,&ev,&err)) {
/* check for Xvideo support */
if (Success != XvQueryAdaptors(mydisplay,DefaultRootWindow(mydisplay),
&adaptors,&ai)) {
fprintf(stderr,"Xv: XvQueryAdaptors failed");
exit(1);
}
/* check adaptors */
for (i = 0; i < adaptors; i++) {
if ((ai[i].type & XvInputMask) &&
(ai[i].type & XvImageMask) &&
(xv_port == 0)) {
xv_port = ai[i].base_id;
}
}
/* check image formats */
if (xv_port != 0) {
fo = XvListImageFormats(mydisplay, xv_port, (int*)&formats);
for(i = 0; i < formats; i++) {
fprintf(stderr, "Xvideo image format: 0x%x (%4.4s) %s\n",
fo[i].id,
(char*)&fo[i].id,
(fo[i].format == XvPacked) ? "packed" : "planar");
if (0x32315659 == fo[i].id) {
xv_format = fo[i].id;
break;
}
}
if (i == formats)
/* no matching image format not */
xv_port = 0;
}
if (xv_port != 0) {
fprintf(stderr,"using Xvideo port %d for hw scaling\n",
xv_port);
/* allocate XvImages. FIXME: no error checking, without
* mit-shm this will bomb... */
xvimage1 = XvShmCreateImage(mydisplay, xv_port, xv_format, 0,
image_width, image_height,
&Shminfo1);
Shminfo1.shmid = shmget(IPC_PRIVATE, xvimage1->data_size,
IPC_CREAT | 0777);
Shminfo1.shmaddr = (char *) shmat(Shminfo1.shmid, 0, 0);
Shminfo1.readOnly = False;
xvimage1->data = Shminfo1.shmaddr;
XShmAttach(mydisplay, &Shminfo1);
XSync(mydisplay, False);
shmctl(Shminfo1.shmid, IPC_RMID, 0);
/* so we can do grayscale while testing... */
memset(xvimage1->data,128,xvimage1->data_size);
/* catch window resizes */
XSelectInput(mydisplay, mywindow, StructureNotifyMask);
win_width = image_width;
win_height = image_height;
/* all done (I hope...) */
X_already_started++;
return;
}
}
#endif/* HAVE_XV */
#endif/* 0 */
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