1
0
mirror of https://github.com/mpv-player/mpv synced 2024-12-22 06:42:03 +00:00
mpv/video/out/x11_common.h
wm4 8c002b79d3 x11: if the WM supports _NET_FRAME_EXTENTS, don't wait for map
Some window managers can prevent mapping of a window as a feature. i3
can put new windows on a certain workspace (with "assign"), so if mpv is
started on a different workspace, the window will never be mapped.

mpv currently waits until the window is mapped (blocking almost all of
the player), in order to avoid race conditions regarding the window
size. We don't want to remove this, but on the other hand we also don't
want to block the player forever in these situations.

So what we need is a way to know when the window manager is "done" with
processing the map request. Unfortunately, there doesn't seem to be a
standard way for this. So, instead we could do some arbitrary
communication with the WM, that may act as "barrier" after map request
and the "immediate" mapping of the window. If the window is not mapped
after this barrier, it means the window manager decided to delay the
mapping indefinitely. Use the _NET_REQUEST_FRAME_EXTENTS message as such
a barrier. WMs supporting this message must set the _NET_FRAME_EXTENTS
property on the mpv window, and we receive a PropertyNotify event. If
that happens, we always continue and cancel waiting for the MapNotify
event.

I don't know if this is sane or if there's a better mechanism. Also,
this works only for WMs which support this message, which are not many.
But at least it appears to work on i3. It may reintroduce flickering on
fullscreen with other WMs, though.
2014-09-15 19:19:01 +02:00

127 lines
3.7 KiB
C

/*
* 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.
*/
#ifndef MPLAYER_X11_COMMON_H
#define MPLAYER_X11_COMMON_H
#include <stdint.h>
#include <stdbool.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include "common/common.h"
struct vo;
struct mp_log;
#define MAX_DISPLAYS 32 // ought to be enough for everyone
struct xrandr_display {
struct mp_rect rc;
double fps;
};
struct vo_x11_state {
struct mp_log *log;
Display *display;
Window window;
Window rootwin;
int screen;
int display_is_local;
int ws_width;
int ws_height;
struct mp_rect screenrc;
struct xrandr_display displays[MAX_DISPLAYS];
int num_displays;
int xrandr_event;
bool screensaver_enabled;
bool dpms_touched;
double screensaver_time_last;
XIM xim;
XIC xic;
bool no_autorepeat;
GC f_gc; // used to paint background
GC vo_gc; // used to paint video
Colormap colormap;
int wm_type;
bool window_hidden; // the window was mapped at least once
bool pseudo_mapped; // not necessarily mapped, but known window size
int fs; // whether we assume the window is in fullscreen mode
bool mouse_cursor_hidden;
long orig_layer;
// Current actual window position (updated on window move/resize events).
struct mp_rect winrc;
double current_display_fps;
int pending_vo_events;
// last non-fullscreen extends (updated on fullscreen or reinitialization)
struct mp_rect nofsrc;
/* Keep track of original video width/height to determine when to
* resize window when reconfiguring. Resize window when video size
* changes, but don't force window size changes as long as video size
* stays the same (even if that size is different from the current
* window size after the user modified the latter). */
int old_dw, old_dh;
/* Video size changed during fullscreen when we couldn't tell the new
* size to the window manager. Must set window size when turning
* fullscreen off. */
bool size_changed_during_fs;
bool pos_changed_during_fs;
XComposeStatus compose_status;
/* XShm stuff */
int ShmCompletionEvent;
/* Number of outstanding XShmPutImage requests */
/* Decremented when ShmCompletionEvent is received */
/* Increment it before XShmPutImage */
int ShmCompletionWaitCount;
/* drag and drop */
Atom dnd_property;
Atom dnd_requested_format;
Window dnd_src_window;
Atom atom_frame_exts;
/* dragging the window */
bool win_drag_button1_down;
};
int vo_x11_init(struct vo *vo);
void vo_x11_uninit(struct vo *vo);
int vo_x11_check_events(struct vo *vo);
bool vo_x11_screen_is_composited(struct vo *vo);
void vo_x11_config_vo_window(struct vo *vo, XVisualInfo *vis, int flags,
const char *classname);
void vo_x11_clear_background(struct vo *vo, const struct mp_rect *rc);
void vo_x11_clearwindow(struct vo *vo, Window vo_window);
int vo_x11_control(struct vo *vo, int *events, int request, void *arg);
#endif /* MPLAYER_X11_COMMON_H */