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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 <sys/types.h>
#include "config.h"
#include "video_out.h"
#include "aspect.h"
#include "csputils.h"
#include "libmpcodecs/mp_image.h"
#include "libmpcodecs/vfcap.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>
#endif
#include "sub/sub.h"
#include "libmpcodecs/sws_utils.h"
#define MODE_RGB 0x1
#define MODE_BGR 0x2
#include "mp_msg.h"
extern int sws_flags;
struct priv {
struct vo *vo;
/* local data */
unsigned char *ImageData;
//! original unaligned pointer for free
unsigned char *ImageDataOrig;
/* X11 related variables */
XImage *myximage;
int depth, bpp;
XWindowAttributes attribs;
int int_pause;
int Flip_Flag;
int zoomFlag;
uint32_t image_width;
uint32_t image_height;
uint32_t in_format;
uint32_t out_format;
int out_offset;
int srcW;
int srcH;
int old_vo_dwidth;
int old_vo_dheight;
struct SwsContext *swsContext;
int dst_width;
XVisualInfo vinfo;
int firstTime;
#ifdef HAVE_SHM
int Shmem_Flag;
XShmSegmentInfo Shminfo[1];
int gXErrorFlag;
int CompletionType;
#endif
};
static void flip_page(struct vo *vo);
static void check_events(struct vo *vo)
{
struct priv *p = vo->priv;
int ret = vo_x11_check_events(vo);
if (ret & VO_EVENT_RESIZE)
vo_x11_clearwindow(vo, vo->x11->window);
else if (ret & VO_EVENT_EXPOSE)
vo_x11_clearwindow_part(vo, vo->x11->window, p->myximage->width,
p->myximage->height);
if (ret & VO_EVENT_EXPOSE && p->int_pause)
flip_page(vo);
}
static void getMyXImage(struct priv *p)
{
struct vo *vo = p->vo;
#ifdef HAVE_SHM
if (vo->x11->display_is_local && XShmQueryExtension(vo->x11->display))
p->Shmem_Flag = 1;
else {
p->Shmem_Flag = 0;
mp_msg(MSGT_VO, MSGL_WARN,
"Shared memory not supported\nReverting to normal Xlib\n");
}
if (p->Shmem_Flag)
p->CompletionType = XShmGetEventBase(vo->x11->display) + ShmCompletion;
if (p->Shmem_Flag) {
p->myximage =
XShmCreateImage(vo->x11->display, p->vinfo.visual, p->depth,
ZPixmap, NULL, &p->Shminfo[0], p->image_width,
p->image_height);
if (p->myximage == NULL) {
mp_msg(MSGT_VO, MSGL_WARN,
"Shared memory error,disabling ( Ximage error )\n");
goto shmemerror;
}
p->Shminfo[0].shmid = shmget(IPC_PRIVATE,
p->myximage->bytes_per_line *
p->myximage->height,
IPC_CREAT | 0777);
if (p->Shminfo[0].shmid < 0) {
XDestroyImage(p->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;
}
p->Shminfo[0].shmaddr = (char *) shmat(p->Shminfo[0].shmid, 0, 0);
if (p->Shminfo[0].shmaddr == ((char *) -1)) {
XDestroyImage(p->myximage);
if (p->Shminfo[0].shmaddr != ((char *) -1))
shmdt(p->Shminfo[0].shmaddr);
mp_msg(MSGT_VO, MSGL_WARN,
"Shared memory error,disabling ( address error )\n");
goto shmemerror;
}
p->myximage->data = p->Shminfo[0].shmaddr;
p->ImageData = (unsigned char *) p->myximage->data;
p->Shminfo[0].readOnly = False;
XShmAttach(vo->x11->display, &p->Shminfo[0]);
XSync(vo->x11->display, False);
if (p->gXErrorFlag) {
XDestroyImage(p->myximage);
shmdt(p->Shminfo[0].shmaddr);
mp_msg(MSGT_VO, MSGL_WARN, "Shared memory error,disabling.\n");
p->gXErrorFlag = 0;
goto shmemerror;
} else
shmctl(p->Shminfo[0].shmid, IPC_RMID, 0);
if (!p->firstTime) {
mp_msg(MSGT_VO, MSGL_V, "Sharing memory.\n");
p->firstTime = 1;
}
} else {
shmemerror:
p->Shmem_Flag = 0;
#endif
p->myximage =
XCreateImage(vo->x11->display, p->vinfo.visual, p->depth, ZPixmap,
0, NULL, p->image_width, p->image_height, 8, 0);
p->ImageDataOrig =
malloc(p->myximage->bytes_per_line * p->image_height + 32);
p->myximage->data = p->ImageDataOrig + 16 - ((long)p->ImageDataOrig & 15);
memset(p->myximage->data, 0, p->myximage->bytes_per_line * p->image_height);
p->ImageData = p->myximage->data;
#ifdef HAVE_SHM
}
#endif
}
static void freeMyXImage(struct priv *p)
{
struct vo *vo = p->vo;
#ifdef HAVE_SHM
if (p->Shmem_Flag) {
XShmDetach(vo->x11->display, &p->Shminfo[0]);
XDestroyImage(p->myximage);
shmdt(p->Shminfo[0].shmaddr);
} else
#endif
{
p->myximage->data = p->ImageDataOrig;
XDestroyImage(p->myximage);
p->ImageDataOrig = NULL;
}
p->myximage = NULL;
p->ImageData = NULL;
}
#if BYTE_ORDER == BIG_ENDIAN
#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}
};
static int config(struct vo *vo, uint32_t width, uint32_t height,
uint32_t d_width, uint32_t d_height, uint32_t flags,
uint32_t format)
{
struct priv *p = vo->priv;
Colormap theCmap;
const struct fmt2Xfmtentry_s *fmte = fmt2Xfmt;
#ifdef CONFIG_XF86VM
int vm = flags & VOFLAG_MODESWITCHING;
#endif
p->Flip_Flag = flags & VOFLAG_FLIPPING;
p->zoomFlag = flags & VOFLAG_SWSCALE;
p->old_vo_dwidth = -1;
p->old_vo_dheight = -1;
p->in_format = format;
p->srcW = width;
p->srcH = height;
XGetWindowAttributes(vo->x11->display, vo->x11->rootwin, &p->attribs);
p->depth = p->attribs.depth;
if (p->depth != 15 && p->depth != 16 && p->depth != 24 && p->depth != 32) {
Visual *visual;
p->depth = vo_find_depth_from_visuals(vo->x11->display, vo->x11->screen,
&visual);
}
if (!XMatchVisualInfo(vo->x11->display, vo->x11->screen, p->depth,
DirectColor, &p->vinfo)
|| (WinID > 0
&& p->vinfo.visualid != XVisualIDFromVisual(p->attribs.visual)))
{
XMatchVisualInfo(vo->x11->display, vo->x11->screen, p->depth, TrueColor,
&p->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
*/
p->image_width = (width + 7) & (~7);
p->image_height = height;
{
#ifdef CONFIG_XF86VM
if (vm)
vo_vm_switch(vo);
#endif
theCmap = vo_x11_create_colormap(vo, &p->vinfo);
vo_x11_create_vo_window(vo, &p->vinfo, vo->dx, vo->dy, vo->dwidth,
vo->dheight, flags, theCmap, "x11");
if (WinID > 0)
p->depth = vo_x11_update_geometry(vo, true);
#ifdef CONFIG_XF86VM
if (vm) {
/* Grab the mouse pointer in our window */
if (vo_grabpointer)
XGrabPointer(vo->x11->display, vo->x11->window, True, 0,
GrabModeAsync, GrabModeAsync,
vo->x11->window, None, CurrentTime);
XSetInputFocus(vo->x11->display, vo->x11->window, RevertToNone,
CurrentTime);
}
#endif
}
if (p->myximage) {
freeMyXImage(p);
sws_freeContext(p->swsContext);
}
getMyXImage(p);
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 == p->myximage->bits_per_pixel &&
fmte->byte_order == p->myximage->byte_order &&
fmte->red_mask == p->myximage->red_mask &&
fmte->green_mask == p->myximage->green_mask &&
fmte->blue_mask == p->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;
}
p->out_format = fmte->mpfmt;
p->bpp = p->myximage->bits_per_pixel;
p->out_offset = 0;
// We can easily "emulate" non-native RGB32 and BGR32
if (p->out_format == (IMGFMT_BGR32 | 128)
|| p->out_format == (IMGFMT_RGB32 | 128))
{
p->out_format &= ~128;
#if BYTE_ORDER == BIG_ENDIAN
p->out_offset = 1;
#else
p->out_offset = -1;
#endif
}
/* always allocate swsContext as size could change between frames */
p->swsContext = sws_getContextFromCmdLine(width, height, p->in_format,
width, height, p->out_format);
if (!p->swsContext)
return -1;
p->dst_width = width;
return 0;
}
static void Display_Image(struct priv *p, XImage *myximage, uint8_t *ImageData)
{
struct vo *vo = p->vo;
int x = (vo->dwidth - p->dst_width) / 2;
int y = (vo->dheight - p->myximage->height) / 2;
// do not draw if the image needs rescaling
if ((p->old_vo_dwidth != vo->dwidth ||
p->old_vo_dheight != vo->dheight) && p->zoomFlag)
return;
if (WinID == 0) {
x = vo->dx;
y = vo->dy;
}
p->myximage->data += p->out_offset;
#ifdef HAVE_SHM
if (p->Shmem_Flag) {
XShmPutImage(vo->x11->display, vo->x11->window, vo->x11->vo_gc,
p->myximage, 0, 0, x, y, p->dst_width, p->myximage->height,
True);
} else
#endif
{
XPutImage(vo->x11->display, vo->x11->window, vo->x11->vo_gc,
p->myximage, 0, 0, x, y, p->dst_width, p->myximage->height);
}
p->myximage->data -= p->out_offset;
}
static struct mp_image get_x_buffer(struct priv *p)
{
struct mp_image img = {0};
img.w = img.width = p->image_width;
img.h = img.height = p->image_height;
mp_image_setfmt(&img, p->out_format);
img.planes[0] = p->ImageData;
img.stride[0] = p->image_width * ((p->bpp + 7) / 8);
return img;
}
static void draw_osd(struct vo *vo, struct osd_state *osd)
{
struct priv *p = vo->priv;
struct mp_image img = get_x_buffer(p);
struct mp_osd_res res = {
.w = img.w,
.h = img.h,
.display_par = vo->monitor_par,
.video_par = vo->aspdat.par,
};
osd_draw_on_image(osd, res, osd->vo_pts, 0, &img);
}
static void flip_page(struct vo *vo)
{
struct priv *p = vo->priv;
Display_Image(p, p->myximage, p->ImageData);
XSync(vo->x11->display, False);
}
static int draw_slice(struct vo *vo, uint8_t *src[], int stride[], int w, int h,
int x, int y)
{
struct priv *p = vo->priv;
uint8_t *dst[MP_MAX_PLANES] = {NULL};
int dstStride[MP_MAX_PLANES] = {0};
if ((p->old_vo_dwidth != vo->dwidth || p->old_vo_dheight != vo->dheight)
/*&& y==0 */ && p->zoomFlag)
{
int newW = vo->dwidth;
int newH = vo->dheight;
struct SwsContext *oldContext = p->swsContext;
p->old_vo_dwidth = vo->dwidth;
p->old_vo_dheight = vo->dheight;
if (vo_fs)
aspect(vo, &newW, &newH, A_ZOOM);
if (sws_flags == 0)
newW &= (~31); // not needed but, if the user wants the FAST_BILINEAR SCALER, then its needed
p->swsContext
= sws_getContextFromCmdLine(p->srcW, p->srcH, p->in_format, newW,
newH, p->out_format);
if (p->swsContext) {
p->image_width = (newW + 7) & (~7);
p->image_height = newH;
freeMyXImage(p);
getMyXImage(p);
sws_freeContext(oldContext);
} else
p->swsContext = oldContext;
p->dst_width = newW;
}
dstStride[0] = p->image_width * ((p->bpp + 7) / 8);
dst[0] = p->ImageData;
if (p->Flip_Flag) {
dst[0] += dstStride[0] * (p->image_height - 1);
dstStride[0] = -dstStride[0];
}
sws_scale(p->swsContext, (const uint8_t **)src, stride, y, h, dst,
dstStride);
return 0;
}
static int query_format(struct vo *vo, 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->x11->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_I420:
case IMGFMT_IYUV:
case IMGFMT_YV12:
return VFCAP_CSP_SUPPORTED | VFCAP_OSD | VFCAP_SWSCALE |
VFCAP_ACCEPT_STRIDE;
}
return 0;
}
static void uninit(struct vo *vo)
{
struct priv *p = vo->priv;
if (p->myximage)
freeMyXImage(p);
#ifdef CONFIG_XF86VM
vo_vm_close(vo);
#endif
p->zoomFlag = 0;
vo_x11_uninit(vo);
sws_freeContext(p->swsContext);
}
static int preinit(struct vo *vo, const char *arg)
{
struct priv *p = vo->priv;
p->vo = vo;
if (arg) {
mp_msg(MSGT_VO, MSGL_ERR, "vo_x11: Unknown subdevice: %s\n", arg);
return ENOSYS;
}
if (!vo_init(vo))
return -1; // Can't open X11
return 0;
}
static int control(struct vo *vo, uint32_t request, void *data)
{
struct priv *p = vo->priv;
switch (request) {
case VOCTRL_PAUSE:
return p->int_pause = 1;
case VOCTRL_RESUME:
return p->int_pause = 0;
case VOCTRL_QUERY_FORMAT:
return query_format(vo, *((uint32_t *) data));
case VOCTRL_FULLSCREEN:
vo_x11_fullscreen(vo);
vo_x11_clearwindow(vo, vo->x11->window);
return VO_TRUE;
case VOCTRL_SET_EQUALIZER:
{
struct voctrl_set_equalizer_args *args = data;
return vo_x11_set_equalizer(vo, 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(vo);
return VO_TRUE;
case VOCTRL_UPDATE_SCREENINFO:
update_xinerama_info(vo);
return VO_TRUE;
}
return VO_NOTIMPL;
}
const struct vo_driver video_out_x11 = {
.is_new = false,
.info = &(const vo_info_t) {
"X11 ( XImage/Shm )",
"x11",
"Aaron Holtzman <aholtzma@ess.engr.uvic.ca>",
""
},
.priv_size = sizeof(struct priv),
.priv_defaults = &(const struct priv) {
.srcW = -1,
.srcH = -1,
.old_vo_dwidth = -1,
.old_vo_dheight = -1,
#ifdef HAVE_SHM
.CompletionType = -1,
#endif
},
.preinit = preinit,
.config = config,
.control = control,
.draw_slice = draw_slice,
.draw_osd = draw_osd,
.flip_page = flip_page,
.check_events = check_events,
.uninit = uninit,
};
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