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mpv/libvo/vo_x11.c

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include "config.h"
#include "video_out.h"
#include "video_out_internal.h"
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#ifdef HAVE_XF86VM
#include <X11/extensions/xf86vmode.h>
#endif
#include <errno.h>
#include "x11_common.h"
#ifdef HAVE_SHM
#include <sys/ipc.h>
#include <sys/shm.h>
#include <X11/extensions/XShm.h>
static int Shmem_Flag;
//static int Quiet_Flag; Here also what is this for. It's used but isn't inited ?
static XShmSegmentInfo Shminfo[1];
static int gXErrorFlag;
static int CompletionType = -1;
/* since it doesn't seem to be defined on some platforms */
int XShmGetEventBase(Display *);
#endif
#include "fastmemcpy.h"
#include "sub.h"
#include "../postproc/swscale.h"
#include "../postproc/swscale_internal.h" //FIXME
#include "../postproc/rgb2rgb.h"
#include "../libmpcodecs/vf_scale.h"
#include "../mp_msg.h"
#ifdef HAVE_NEW_GUI
#include "../Gui/interface.h"
#include "../mplayer.h"
#endif
static vo_info_t info = {
"X11 ( XImage/Shm )",
"x11",
"Aaron Holtzman <aholtzma@ess.engr.uvic.ca>",
""
};
LIBVO_EXTERN(x11)
/* private prototypes */
static void Display_Image(XImage * myximage, unsigned char *ImageData);
static void (*draw_alpha_fnc) (int x0, int y0, int w, int h,
unsigned char *src, unsigned char *srca,
int stride);
/* local data */
static unsigned char *ImageData;
/* X11 related variables */
static XImage *myximage = NULL;
static int depth, bpp, mode;
static XWindowAttributes attribs;
static int int_pause;
static int Flip_Flag;
static int zoomFlag;
static uint32_t image_width;
static uint32_t image_height;
static uint32_t in_format;
static uint32_t out_format = 0;
static int srcW = -1;
static int srcH = -1;
static int aspect; // 1<<16 based fixed point aspect, so that the aspect stays correct during resizing
static int old_vo_dwidth = -1;
static int old_vo_dheight = -1;
static void check_events()
{
int ret = vo_x11_check_events(mDisplay);
/* clear left over borders and redraw frame if we are paused */
if (ret & VO_EVENT_EXPOSE && int_pause)
{
vo_x11_clearwindow_part(mDisplay, vo_window, myximage->width,
myximage->height, 0);
flip_page();
} else if ((ret & VO_EVENT_RESIZE) || (ret & VO_EVENT_EXPOSE))
vo_x11_clearwindow_part(mDisplay, vo_window, myximage->width,
myximage->height, 0);
}
static void draw_alpha_32(int x0, int y0, int w, int h, unsigned char *src,
unsigned char *srca, int stride)
{
vo_draw_alpha_rgb32(w, h, src, srca, stride,
ImageData + 4 * (y0 * image_width + x0),
4 * image_width);
}
static void draw_alpha_24(int x0, int y0, int w, int h, unsigned char *src,
unsigned char *srca, int stride)
{
vo_draw_alpha_rgb24(w, h, src, srca, stride,
ImageData + 3 * (y0 * image_width + x0),
3 * image_width);
}
static void draw_alpha_16(int x0, int y0, int w, int h, unsigned char *src,
unsigned char *srca, int stride)
{
vo_draw_alpha_rgb16(w, h, src, srca, stride,
ImageData + 2 * (y0 * image_width + x0),
2 * image_width);
}
static void draw_alpha_15(int x0, int y0, int w, int h, unsigned char *src,
unsigned char *srca, int stride)
{
vo_draw_alpha_rgb15(w, h, src, srca, stride,
ImageData + 2 * (y0 * image_width + x0),
2 * image_width);
}
static void draw_alpha_null(int x0, int y0, int w, int h,
unsigned char *src, unsigned char *srca,
int stride)
{
}
static SwsContext *swsContext = NULL;
extern int sws_flags;
static XVisualInfo vinfo;
static void getMyXImage()
{
#ifdef HAVE_SHM
if (mLocalDisplay && XShmQueryExtension(mDisplay))
Shmem_Flag = 1;
else
{
Shmem_Flag = 0;
mp_msg(MSGT_VO, MSGL_WARN,
"Shared memory not supported\nReverting to normal Xlib\n");
}
if (Shmem_Flag)
CompletionType = XShmGetEventBase(mDisplay) + ShmCompletion;
if (Shmem_Flag)
{
myximage =
XShmCreateImage(mDisplay, vinfo.visual, depth, ZPixmap, NULL,
&Shminfo[0], image_width, image_height);
if (myximage == NULL)
{
if (myximage != NULL)
XDestroyImage(myximage);
mp_msg(MSGT_VO, MSGL_WARN,
"Shared memory error,disabling ( Ximage error )\n");
goto shmemerror;
}
Shminfo[0].shmid = shmget(IPC_PRIVATE,
myximage->bytes_per_line *
myximage->height, IPC_CREAT | 0777);
if (Shminfo[0].shmid < 0)
{
XDestroyImage(myximage);
mp_msg(MSGT_VO, MSGL_V, "%s\n", strerror(errno));
//perror( strerror( errno ) );
mp_msg(MSGT_VO, MSGL_WARN,
"Shared memory error,disabling ( seg id error )\n");
goto shmemerror;
}
Shminfo[0].shmaddr = (char *) shmat(Shminfo[0].shmid, 0, 0);
if (Shminfo[0].shmaddr == ((char *) -1))
{
XDestroyImage(myximage);
if (Shminfo[0].shmaddr != ((char *) -1))
shmdt(Shminfo[0].shmaddr);
mp_msg(MSGT_VO, MSGL_WARN,
"Shared memory error,disabling ( address error )\n");
goto shmemerror;
}
myximage->data = Shminfo[0].shmaddr;
ImageData = (unsigned char *) myximage->data;
Shminfo[0].readOnly = False;
XShmAttach(mDisplay, &Shminfo[0]);
XSync(mDisplay, False);
if (gXErrorFlag)
{
XDestroyImage(myximage);
shmdt(Shminfo[0].shmaddr);
mp_msg(MSGT_VO, MSGL_WARN, "Shared memory error,disabling.\n");
gXErrorFlag = 0;
goto shmemerror;
} else
shmctl(Shminfo[0].shmid, IPC_RMID, 0);
{
static int firstTime = 1;
if (firstTime)
{
mp_msg(MSGT_VO, MSGL_V, "Sharing memory.\n");
firstTime = 0;
}
}
} else
{
shmemerror:
Shmem_Flag = 0;
#endif
myximage = XGetImage(mDisplay, vo_window, 0, 0,
image_width, image_height, AllPlanes,
ZPixmap);
ImageData = myximage->data;
#ifdef HAVE_SHM
}
#endif
}
static void freeMyXImage()
{
#ifdef HAVE_SHM
if (Shmem_Flag)
{
XShmDetach(mDisplay, &Shminfo[0]);
XDestroyImage(myximage);
shmdt(Shminfo[0].shmaddr);
} else
#endif
{
XDestroyImage(myximage);
}
myximage = NULL;
}
static uint32_t config(uint32_t width, uint32_t height, uint32_t d_width,
uint32_t d_height, uint32_t flags, char *title,
uint32_t format)
{
// int screen;
int fullscreen = 0;
int vm = 0;
// int interval, prefer_blank, allow_exp, nothing;
unsigned int fg, bg;
XEvent xev;
XGCValues xgcv;
Colormap theCmap;
XSetWindowAttributes xswa;
unsigned long xswamask;
#ifdef HAVE_XF86VM
unsigned int modeline_width, modeline_height;
static uint32_t vm_width;
static uint32_t vm_height;
#endif
vo_mouse_autohide = 1;
old_vo_dwidth = -1;
old_vo_dheight = -1;
if (!title)
title = strdup("MPlayer X11 (XImage/Shm) render");
in_format = format;
srcW = width;
srcH = height;
vo_dx = (vo_screenwidth - d_width) / 2;
vo_dy = (vo_screenheight - d_height) / 2;
geometry(&vo_dx, &vo_dy, &d_width, &d_height, vo_screenwidth,
vo_screenheight);
vo_dwidth = d_width;
vo_dheight = d_height;
if (flags & 0x03)
fullscreen = 1;
if (flags & 0x02)
vm = 1;
if (flags & 0x08)
Flip_Flag = 1;
zoomFlag = flags & 0x04;
int_pause = 0;
// if(!fullscreen) zoomFlag=1; //it makes no sense to avoid zooming on windowd mode
//printf( "w: %d h: %d\n\n",vo_dwidth,vo_dheight );
XGetWindowAttributes(mDisplay, mRootWin, &attribs);
depth = attribs.depth;
if (depth != 15 && depth != 16 && depth != 24 && depth != 32)
{
Visual *visual;
depth = vo_find_depth_from_visuals(mDisplay, mScreen, &visual);
}
if (!XMatchVisualInfo(mDisplay, mScreen, depth, DirectColor, &vinfo) ||
(WinID > 0
&& vinfo.visualid != XVisualIDFromVisual(attribs.visual)))
XMatchVisualInfo(mDisplay, mScreen, depth, TrueColor, &vinfo);
/* set image size (which is indeed neither the input nor output size),
if zoom is on it will be changed during draw_slice anyway so we don't duplicate the aspect code here
*/
image_width = (width + 7) & (~7);
image_height = height;
aspect = ((1 << 16) * d_width + d_height / 2) / d_height;
#ifdef HAVE_NEW_GUI
if (use_gui)
guiGetEvent(guiSetShVideo, 0); // the GUI will set up / resize the window
else
#endif
{
#ifdef HAVE_XF86VM
if (vm)
{
if ((d_width == 0) && (d_height == 0))
{
vm_width = image_width;
vm_height = image_height;
} else
{
vm_width = d_width;
vm_height = d_height;
}
vo_vm_switch(vm_width, vm_height, &modeline_width,
&modeline_height);
vo_dx = (vo_screenwidth - modeline_width) / 2;
vo_dy = (vo_screenheight - modeline_height) / 2;
vo_dwidth = modeline_width;
vo_dheight = modeline_height;
}
#endif
bg = WhitePixel(mDisplay, mScreen);
fg = BlackPixel(mDisplay, mScreen);
theCmap = vo_x11_create_colormap(&vinfo);
xswa.background_pixel = 0;
xswa.border_pixel = 0;
xswa.colormap = theCmap;
xswamask = CWBackPixel | CWBorderPixel | CWColormap;
#ifdef HAVE_XF86VM
if (vm)
{
xswa.override_redirect = True;
xswamask |= CWOverrideRedirect;
}
#endif
if (WinID >= 0)
{
vo_window = WinID ? ((Window) WinID) : mRootWin;
if (WinID)
{
XUnmapWindow(mDisplay, vo_window);
XChangeWindowAttributes(mDisplay, vo_window, xswamask,
&xswa);
vo_x11_selectinput_witherr(mDisplay, vo_window,
StructureNotifyMask |
KeyPressMask |
PropertyChangeMask |
PointerMotionMask |
ButtonPressMask |
ButtonReleaseMask |
ExposureMask);
XMapWindow(mDisplay, vo_window);
} else
XSelectInput(mDisplay, vo_window, ExposureMask);
} else
{
if (vo_window == None)
{
vo_window =
vo_x11_create_smooth_window(mDisplay, mRootWin,
vinfo.visual, vo_dx, vo_dy,
vo_dwidth, vo_dheight,
depth, theCmap);
vo_x11_classhint(mDisplay, vo_window, "x11");
vo_hidecursor(mDisplay, vo_window);
vo_x11_sizehint(vo_dx, vo_dy, vo_dwidth, vo_dheight, 0);
XSelectInput(mDisplay, vo_window, StructureNotifyMask);
XStoreName(mDisplay, vo_window, title);
XMapWindow(mDisplay, vo_window);
// if(WinID!=0)
do
{
XNextEvent(mDisplay, &xev);
}
while (xev.type != MapNotify
|| xev.xmap.event != vo_window);
if (fullscreen)
vo_x11_fullscreen();
#ifdef HAVE_XINERAMA
vo_x11_xinerama_move(mDisplay, vo_window);
#endif
} else if (!fullscreen)
XMoveResizeWindow(mDisplay, vo_window, vo_dx, vo_dy,
vo_dwidth, vo_dheight);
}
XFlush(mDisplay);
XSync(mDisplay, False);
// we cannot grab mouse events on root window :(
vo_x11_selectinput_witherr(mDisplay, vo_window,
StructureNotifyMask | KeyPressMask |
PropertyChangeMask | ExposureMask |
((WinID ==
0) ? 0 : (ButtonPressMask |
ButtonReleaseMask |
PointerMotionMask)));
#ifdef HAVE_XF86VM
if (vm)
{
/* Grab the mouse pointer in our window */
if (vo_grabpointer)
XGrabPointer(mDisplay, vo_window, True, 0,
GrabModeAsync, GrabModeAsync,
vo_window, None, CurrentTime);
XSetInputFocus(mDisplay, vo_window, RevertToNone, CurrentTime);
}
#endif
}
if (vo_gc != None)
XFreeGC(mDisplay, vo_gc);
vo_gc = XCreateGC(mDisplay, vo_window, 0L, &xgcv);
if (myximage)
{
freeMyXImage();
sws_freeContext(swsContext);
}
getMyXImage();
if (!WinID)
{
vo_dwidth = vo_screenwidth;
vo_dheight = vo_screenheight;
}
switch ((bpp = myximage->bits_per_pixel))
{
case 24:
draw_alpha_fnc = draw_alpha_24;
out_format = IMGFMT_BGR24;
break;
case 32:
draw_alpha_fnc = draw_alpha_32;
out_format = IMGFMT_BGR32;
break;
case 15:
case 16:
if (depth == 15)
{
draw_alpha_fnc = draw_alpha_15;
out_format = IMGFMT_BGR15;
} else
{
draw_alpha_fnc = draw_alpha_16;
out_format = IMGFMT_BGR16;
}
break;
case 8:
draw_alpha_fnc = draw_alpha_null;
out_format = IMGFMT_BGR8;
break;
default:
draw_alpha_fnc = draw_alpha_null;
}
/* always allocate swsContext as size could change between frames */
swsContext =
sws_getContextFromCmdLine(width, height, in_format, width, height,
out_format);
if (!swsContext)
return -1;
//printf( "X11 bpp: %d color mask: R:%lX G:%lX B:%lX\n",bpp,myximage->red_mask,myximage->green_mask,myximage->blue_mask );
// If we have blue in the lowest bit then obviously RGB
mode = ((myximage->blue_mask & 0x01) != 0) ? MODE_RGB : MODE_BGR;
#ifdef WORDS_BIGENDIAN
if (myximage->byte_order != MSBFirst)
#else
if (myximage->byte_order != LSBFirst)
#endif
{
mode = ((myximage->blue_mask & 0x01) != 0) ? MODE_BGR : MODE_RGB;
// printf( "No support for non-native XImage byte order!\n" );
// return -1;
}
#ifdef WORDS_BIGENDIAN
if (mode == MODE_BGR && bpp != 32)
{
mp_msg(MSGT_VO, MSGL_ERR,
"BGR%d not supported, please contact the developers\n",
bpp);
return -1;
}
#else
if (mode == MODE_BGR)
{
mp_msg(MSGT_VO, MSGL_ERR,
"BGR not supported, please contact the developers\n");
return -1;
}
#endif
saver_off(mDisplay);
if (vo_ontop)
vo_x11_setlayer(mDisplay, vo_window, vo_ontop);
return 0;
}
static void Display_Image(XImage * myximage, uint8_t * ImageData)
{
#ifdef HAVE_SHM
if (Shmem_Flag)
{
XShmPutImage(mDisplay, vo_window, vo_gc, myximage,
0, 0,
(vo_dwidth - swsContext->dstW) / 2,
(vo_dheight - myximage->height) / 2, swsContext->dstW,
myximage->height, True);
} else
#endif
{
XPutImage(mDisplay, vo_window, vo_gc, myximage,
0, 0,
(vo_dwidth - swsContext->dstW) / 2,
(vo_dheight - myximage->height) / 2, swsContext->dstW,
myximage->height);
}
}
static void draw_osd(void)
{
vo_draw_text(image_width, image_height, draw_alpha_fnc);
}
static void flip_page(void)
{
Display_Image(myximage, ImageData);
XSync(mDisplay, False);
}
static uint32_t draw_slice(uint8_t * src[], int stride[], int w, int h,
int x, int y)
{
uint8_t *dst[3];
int dstStride[3];
if ((old_vo_dwidth != vo_dwidth
|| old_vo_dheight != vo_dheight) /*&& y==0 */ && zoomFlag)
{
int newW = vo_dwidth;
int newH = vo_dheight;
int newAspect = (newW * (1 << 16) + (newH >> 1)) / newH;
SwsContext *oldContext = swsContext;
if (newAspect > aspect)
newW = (newH * aspect + (1 << 15)) >> 16;
else
newH = ((newW << 16) + (aspect >> 1)) / aspect;
old_vo_dwidth = vo_dwidth;
old_vo_dheight = vo_dheight;
if (sws_flags == 0)
newW &= (~31); // not needed but, if the user wants the FAST_BILINEAR SCALER, then its needed
swsContext = sws_getContextFromCmdLine(srcW, srcH, in_format,
newW, newH, out_format);
if (swsContext)
{
image_width = (newW + 7) & (~7);
image_height = newH;
freeMyXImage();
getMyXImage();
sws_freeContext(oldContext);
} else
{
swsContext = oldContext;
}
}
dstStride[1] = dstStride[2] = 0;
dst[1] = dst[2] = NULL;
if (Flip_Flag)
{
dstStride[0] = -image_width * ((bpp + 7) / 8);
dst[0] = ImageData - dstStride[0] * (image_height - 1);
sws_scale_ordered(swsContext, src, stride, y, h, dst, dstStride);
} else
{
dstStride[0] = image_width * ((bpp + 7) / 8);
dst[0] = ImageData;
sws_scale_ordered(swsContext, src, stride, y, h, dst, dstStride);
}
return 0;
}
static uint32_t draw_frame(uint8_t * src[])
{
#if 0
int stride[3] = { 0, 0, 0 };
if (in_format == IMGFMT_YUY2)
stride[0] = srcW * 2;
else if (in_format == IMGFMT_BGR8)
stride[0] = srcW;
else if (in_format == IMGFMT_BGR15)
stride[0] = srcW * 2;
else if (in_format == IMGFMT_BGR16)
stride[0] = srcW * 2;
else if (in_format == IMGFMT_BGR24)
stride[0] = srcW * 3;
else if (in_format == IMGFMT_BGR32)
stride[0] = srcW * 4;
return draw_slice(src, stride, srcW, srcH, 0, 0);
#else
printf("draw_frame() called!!!!!!\n");
return -1;
#endif
}
static uint32_t get_image(mp_image_t * mpi)
{
if (zoomFlag ||
!IMGFMT_IS_BGR(mpi->imgfmt) ||
(IMGFMT_BGR_DEPTH(mpi->imgfmt) != vo_depthonscreen) ||
((mpi->type != MP_IMGTYPE_STATIC)
&& (mpi->type != MP_IMGTYPE_TEMP))
|| (mpi->flags & MP_IMGFLAG_PLANAR)
|| (mpi->flags & MP_IMGFLAG_YUV) || (mpi->width != image_width)
|| (mpi->height != image_height))
return (VO_FALSE);
if (Flip_Flag)
{
mpi->stride[0] = -image_width * ((bpp + 7) / 8);
mpi->planes[0] = ImageData - mpi->stride[0] * (image_height - 1);
} else
{
mpi->stride[0] = image_width * ((bpp + 7) / 8);
mpi->planes[0] = ImageData;
}
mpi->flags |= MP_IMGFLAG_DIRECT;
return (VO_TRUE);
}
static uint32_t query_format(uint32_t format)
{
mp_msg(MSGT_VO, MSGL_DBG2,
"vo_x11: query_format was called: %x (%s)\n", format,
vo_format_name(format));
if (IMGFMT_IS_BGR(format))
{
if (IMGFMT_BGR_DEPTH(format) <= 8)
return 0; // TODO 8bpp not yet fully implemented
if (IMGFMT_BGR_DEPTH(format) == vo_depthonscreen)
return 3 | VFCAP_OSD | VFCAP_SWSCALE | VFCAP_FLIP |
VFCAP_ACCEPT_STRIDE;
else
return 1 | VFCAP_OSD | VFCAP_SWSCALE | VFCAP_FLIP |
VFCAP_ACCEPT_STRIDE;
}
switch (format)
{
// case IMGFMT_BGR8:
// case IMGFMT_BGR15:
// case IMGFMT_BGR16:
// case IMGFMT_BGR24:
// case IMGFMT_BGR32:
// return 0x2;
// case IMGFMT_YUY2:
case IMGFMT_I420:
case IMGFMT_IYUV:
case IMGFMT_YV12:
return 1 | VFCAP_OSD | VFCAP_SWSCALE | VFCAP_ACCEPT_STRIDE;
}
return 0;
}
static void uninit(void)
{
if (!myximage)
return;
freeMyXImage();
saver_on(mDisplay); // screen saver back on
#ifdef HAVE_XF86VM
vo_vm_close(mDisplay);
#endif
zoomFlag = 0;
vo_x11_uninit();
sws_freeContext(swsContext);
}
static uint32_t preinit(const char *arg)
{
if (arg)
{
mp_msg(MSGT_VO, MSGL_ERR, "vo_x11: Unknown subdevice: %s\n", arg);
return ENOSYS;
}
if (!vo_init())
return -1; // Can't open X11
return 0;
}
static uint32_t control(uint32_t request, void *data, ...)
{
switch (request)
{
case VOCTRL_PAUSE:
return (int_pause = 1);
case VOCTRL_RESUME:
return (int_pause = 0);
case VOCTRL_QUERY_FORMAT:
return query_format(*((uint32_t *) data));
case VOCTRL_GUISUPPORT:
return VO_TRUE;
case VOCTRL_GET_IMAGE:
return get_image(data);
case VOCTRL_SET_EQUALIZER:
{
va_list ap;
int value;
va_start(ap, data);
value = va_arg(ap, int);
va_end(ap);
return vo_x11_set_equalizer(data, value);
}
case VOCTRL_GET_EQUALIZER:
{
va_list ap;
int *value;
va_start(ap, data);
value = va_arg(ap, int *);
va_end(ap);
return vo_x11_get_equalizer(data, value);
}
case VOCTRL_ONTOP:
vo_x11_ontop();
return VO_TRUE;
case VOCTRL_FULLSCREEN:
{
vo_x11_fullscreen();
vo_x11_clearwindow(mDisplay, vo_window);
}
return VO_TRUE;
}
return VO_NOTIMPL;
}
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