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mpv/libvo/vo_x11.c

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/*
* This file is part of MPlayer.
*
* MPlayer 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.
*
* MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "config.h"
#include "video_out.h"
#include "video_out_internal.h"
#include "aspect.h"
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#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 initialized?
static XShmSegmentInfo Shminfo[1];
static int gXErrorFlag;
static int CompletionType = -1;
#endif
#include "sub/sub.h"
#include "libswscale/swscale.h"
#include "libmpcodecs/vf_scale.h"
#define MODE_RGB 0x1
#define MODE_BGR 0x2
#include "mp_msg.h"
static const vo_info_t info = {
"X11 ( XImage/Shm )",
"x11",
"Aaron Holtzman <aholtzma@ess.engr.uvic.ca>",
""
};
const LIBVO_EXTERN(x11)
/* private prototypes */
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;
//! original unaligned pointer for free
static unsigned char *ImageDataOrig;
/* X11 related variables */
static XImage *myximage = NULL;
static int depth, bpp;
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 out_offset;
static int srcW = -1;
static int srcH = -1;
static int old_vo_dwidth = -1;
static int old_vo_dheight = -1;
static void check_events(void)
{
int ret = vo_x11_check_events(mDisplay);
if (ret & VO_EVENT_RESIZE)
vo_x11_clearwindow(mDisplay, vo_window);
else if (ret & VO_EVENT_EXPOSE)
vo_x11_clearwindow_part(mDisplay, vo_window, myximage->width,
myximage->height, 0);
if (ret & VO_EVENT_EXPOSE && int_pause)
flip_page();
}
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 struct SwsContext *swsContext = NULL;
static int dst_width;
extern int sws_flags;
static XVisualInfo vinfo;
static void getMyXImage(void)
{
#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)
{
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 = XCreateImage(mDisplay, vinfo.visual, depth, ZPixmap,
0, NULL, image_width, image_height, 8, 0);
ImageDataOrig = malloc(myximage->bytes_per_line * image_height + 32);
myximage->data = ImageDataOrig + 16 - ((long)ImageDataOrig & 15);
memset(myximage->data, 0, myximage->bytes_per_line * image_height);
ImageData = myximage->data;
#ifdef HAVE_SHM
}
#endif
}
static void freeMyXImage(void)
{
#ifdef HAVE_SHM
if (Shmem_Flag)
{
XShmDetach(mDisplay, &Shminfo[0]);
XDestroyImage(myximage);
shmdt(Shminfo[0].shmaddr);
} else
#endif
{
myximage->data = ImageDataOrig;
XDestroyImage(myximage);
ImageDataOrig = NULL;
}
myximage = NULL;
ImageData = NULL;
}
#if HAVE_BIGENDIAN
#define BO_NATIVE MSBFirst
#define BO_NONNATIVE LSBFirst
#else
#define BO_NATIVE LSBFirst
#define BO_NONNATIVE MSBFirst
#endif
const struct fmt2Xfmtentry_s {
uint32_t mpfmt;
int byte_order;
unsigned red_mask;
unsigned green_mask;
unsigned blue_mask;
} fmt2Xfmt[] = {
{IMGFMT_RGB8, BO_NATIVE, 0x00000007, 0x00000038, 0x000000C0},
{IMGFMT_RGB8, BO_NONNATIVE, 0x00000007, 0x00000038, 0x000000C0},
{IMGFMT_BGR8, BO_NATIVE, 0x000000E0, 0x0000001C, 0x00000003},
{IMGFMT_BGR8, BO_NONNATIVE, 0x000000E0, 0x0000001C, 0x00000003},
{IMGFMT_RGB15, BO_NATIVE, 0x0000001F, 0x000003E0, 0x00007C00},
{IMGFMT_BGR15, BO_NATIVE, 0x00007C00, 0x000003E0, 0x0000001F},
{IMGFMT_RGB16, BO_NATIVE, 0x0000001F, 0x000007E0, 0x0000F800},
{IMGFMT_BGR16, BO_NATIVE, 0x0000F800, 0x000007E0, 0x0000001F},
{IMGFMT_RGB24, MSBFirst, 0x00FF0000, 0x0000FF00, 0x000000FF},
{IMGFMT_RGB24, LSBFirst, 0x000000FF, 0x0000FF00, 0x00FF0000},
{IMGFMT_BGR24, MSBFirst, 0x000000FF, 0x0000FF00, 0x00FF0000},
{IMGFMT_BGR24, LSBFirst, 0x00FF0000, 0x0000FF00, 0x000000FF},
{IMGFMT_RGB32, BO_NATIVE, 0x000000FF, 0x0000FF00, 0x00FF0000},
{IMGFMT_RGB32, BO_NONNATIVE, 0xFF000000, 0x00FF0000, 0x0000FF00},
{IMGFMT_BGR32, BO_NATIVE, 0x00FF0000, 0x0000FF00, 0x000000FF},
{IMGFMT_BGR32, BO_NONNATIVE, 0x0000FF00, 0x00FF0000, 0xFF000000},
{IMGFMT_ARGB, MSBFirst, 0x00FF0000, 0x0000FF00, 0x000000FF},
{IMGFMT_ARGB, LSBFirst, 0x0000FF00, 0x00FF0000, 0xFF000000},
{IMGFMT_ABGR, MSBFirst, 0x000000FF, 0x0000FF00, 0x00FF0000},
{IMGFMT_ABGR, LSBFirst, 0xFF000000, 0x00FF0000, 0x0000FF00},
{IMGFMT_RGBA, MSBFirst, 0xFF000000, 0x00FF0000, 0x0000FF00},
{IMGFMT_RGBA, LSBFirst, 0x000000FF, 0x0000FF00, 0x00FF0000},
{IMGFMT_BGRA, MSBFirst, 0x0000FF00, 0x00FF0000, 0xFF000000},
{IMGFMT_BGRA, LSBFirst, 0x00FF0000, 0x0000FF00, 0x000000FF},
{0, 0, 0, 0, 0}
};
static int 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 interval, prefer_blank, allow_exp, nothing;
unsigned int fg, bg;
Colormap theCmap;
XSetWindowAttributes xswa;
unsigned long xswamask;
const struct fmt2Xfmtentry_s *fmte = fmt2Xfmt;
#ifdef CONFIG_XF86VM
int vm = flags & VOFLAG_MODESWITCHING;
#endif
Flip_Flag = flags & VOFLAG_FLIPPING;
zoomFlag = flags & VOFLAG_SWSCALE;
old_vo_dwidth = -1;
old_vo_dheight = -1;
if (!title)
title = "MPlayer X11 (XImage/Shm) render";
in_format = format;
srcW = width;
srcH = height;
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;
{
#ifdef CONFIG_XF86VM
if (vm)
{
vo_vm_switch();
}
#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 CONFIG_XF86VM
if (vm)
{
xswa.override_redirect = True;
xswamask |= CWOverrideRedirect;
}
#endif
vo_x11_create_vo_window(&vinfo, vo_dx, vo_dy, vo_dwidth, vo_dheight,
flags, theCmap, "x11", title);
if (WinID > 0)
depth = vo_x11_update_geometry();
#ifdef CONFIG_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 (myximage)
{
freeMyXImage();
sws_freeContext(swsContext);
}
getMyXImage();
while (fmte->mpfmt) {
int depth = IMGFMT_RGB_DEPTH(fmte->mpfmt);
/* bits_per_pixel in X seems to be set to 16 for 15 bit formats
=> force depth to 16 so that only the color masks are used for the format check */
if (depth == 15)
depth = 16;
if (depth == myximage->bits_per_pixel &&
fmte->byte_order == myximage->byte_order &&
fmte->red_mask == myximage->red_mask &&
fmte->green_mask == myximage->green_mask &&
fmte->blue_mask == myximage->blue_mask)
break;
fmte++;
}
if (!fmte->mpfmt) {
mp_msg(MSGT_VO, MSGL_ERR,
"X server image format not supported, please contact the developers\n");
return -1;
}
out_format = fmte->mpfmt;
switch ((bpp = myximage->bits_per_pixel))
{
case 24:
draw_alpha_fnc = draw_alpha_24;
break;
case 32:
draw_alpha_fnc = draw_alpha_32;
break;
case 15:
case 16:
if (depth == 15)
draw_alpha_fnc = draw_alpha_15;
else
draw_alpha_fnc = draw_alpha_16;
break;
default:
draw_alpha_fnc = draw_alpha_null;
}
out_offset = 0;
// for these formats conversion is currently not support and
// we can easily "emulate" them.
if (out_format & 64 && (IMGFMT_IS_RGB(out_format) || IMGFMT_IS_BGR(out_format))) {
out_format &= ~64;
#if HAVE_BIGENDIAN
out_offset = 1;
#else
out_offset = -1;
#endif
}
/* always allocate swsContext as size could change between frames */
swsContext =
sws_getContextFromCmdLine(width, height, in_format, width, height,
out_format);
if (!swsContext)
return -1;
dst_width = width;
//printf( "X11 bpp: %d color mask: R:%lX G:%lX B:%lX\n",bpp,myximage->red_mask,myximage->green_mask,myximage->blue_mask );
return 0;
}
static void Display_Image(XImage * myximage, uint8_t * ImageData)
{
int x = (vo_dwidth - dst_width) / 2;
int y = (vo_dheight - myximage->height) / 2;
// do not draw if the image needs rescaling
if ((old_vo_dwidth != vo_dwidth || old_vo_dheight != vo_dheight) && zoomFlag)
return;
if (WinID == 0) {
x = vo_dx;
y = vo_dy;
}
myximage->data += out_offset;
#ifdef HAVE_SHM
if (Shmem_Flag)
{
XShmPutImage(mDisplay, vo_window, vo_gc, myximage,
0, 0,
x, y, dst_width,
myximage->height, True);
} else
#endif
{
XPutImage(mDisplay, vo_window, vo_gc, myximage,
0, 0,
x, y, dst_width,
myximage->height);
}
myximage->data -= out_offset;
}
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 int draw_slice(uint8_t * src[], int stride[], int w, int h,
int x, int y)
{
uint8_t *dst[MP_MAX_PLANES] = {NULL};
int dstStride[MP_MAX_PLANES] = {0};
if ((old_vo_dwidth != vo_dwidth
|| old_vo_dheight != vo_dheight) /*&& y==0 */ && zoomFlag)
{
int newW = vo_dwidth;
int newH = vo_dheight;
struct SwsContext *oldContext = swsContext;
old_vo_dwidth = vo_dwidth;
old_vo_dheight = vo_dheight;
if (vo_fs)
aspect(&newW, &newH, A_ZOOM);
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;
}
dst_width = newW;
}
dstStride[0] = image_width * ((bpp + 7) / 8);
dst[0] = ImageData;
if (Flip_Flag)
{
dst[0] += dstStride[0] * (image_height - 1);
dstStride[0] = -dstStride[0];
}
sws_scale(swsContext, src, stride, y, h, dst, dstStride);
return 0;
}
static int draw_frame(uint8_t * src[])
{
return VO_ERROR;
}
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 int 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 VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW | VFCAP_OSD | VFCAP_SWSCALE | VFCAP_FLIP |
VFCAP_ACCEPT_STRIDE;
else
return VFCAP_CSP_SUPPORTED | 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 VFCAP_CSP_SUPPORTED | VFCAP_OSD | VFCAP_SWSCALE | VFCAP_ACCEPT_STRIDE;
}
return 0;
}
static void uninit(void)
{
if (!myximage)
return;
freeMyXImage();
#ifdef CONFIG_XF86VM
vo_vm_close();
#endif
zoomFlag = 0;
vo_x11_uninit();
sws_freeContext(swsContext);
}
static int 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 int 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_GET_IMAGE:
return get_image(data);
case VOCTRL_FULLSCREEN:
vo_x11_fullscreen();
vo_x11_clearwindow(mDisplay, vo_window);
return VO_TRUE;
case VOCTRL_SET_EQUALIZER:
{
struct voctrl_set_equalizer_args *args = data;
return vo_x11_set_equalizer(args->name, args->value);
}
case VOCTRL_GET_EQUALIZER:
{
struct voctrl_get_equalizer_args *args = data;
return vo_x11_get_equalizer(args->name, args->valueptr);
}
case VOCTRL_ONTOP:
vo_x11_ontop();
return VO_TRUE;
case VOCTRL_UPDATE_SCREENINFO:
update_xinerama_info();
return VO_TRUE;
}
return VO_NOTIMPL;
}
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