mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-23 08:46:40 +00:00
9389754d1a
Send touch events for XI_TouchBegin, XI_TouchEnd, and XI_TouchUpdate events, grouping events with identical timestamps into one TOUCH_FRAME. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1633>
290 lines
8.2 KiB
C
290 lines
8.2 KiB
C
/* GStreamer
|
|
* Copyright (C) <2005> Julien Moutte <julien@moutte.net>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef __GST_XVCONTEXT_H__
|
|
#define __GST_XVCONTEXT_H__
|
|
|
|
#ifdef HAVE_XSHM
|
|
#include <sys/types.h>
|
|
#include <sys/ipc.h>
|
|
#include <sys/shm.h>
|
|
#endif /* HAVE_XSHM */
|
|
|
|
#include <X11/Xlib.h>
|
|
#include <X11/Xutil.h>
|
|
|
|
#ifdef HAVE_XSHM
|
|
#include <X11/extensions/XShm.h>
|
|
#endif /* HAVE_XSHM */
|
|
|
|
#include <X11/extensions/Xv.h>
|
|
#include <X11/extensions/Xvlib.h>
|
|
|
|
#include <string.h>
|
|
#include <math.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <gst/video/video.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
typedef struct _GstXvContextConfig GstXvContextConfig;
|
|
typedef struct _GstXvImageFormat GstXvImageFormat;
|
|
typedef struct _GstXvContext GstXvContext;
|
|
typedef struct _GstXvTouchDevice GstXvTouchDevice;
|
|
|
|
/**
|
|
* GstXvContextConfig:
|
|
*
|
|
* current configuration of the context
|
|
*/
|
|
struct _GstXvContextConfig
|
|
{
|
|
gchar *display_name;
|
|
guint adaptor_nr;
|
|
|
|
/* port attributes */
|
|
gboolean autopaint_colorkey;
|
|
gint colorkey;
|
|
|
|
gboolean double_buffer;
|
|
|
|
gint brightness;
|
|
gint contrast;
|
|
gint hue;
|
|
gint saturation;
|
|
gboolean cb_changed;
|
|
};
|
|
|
|
/**
|
|
* GstXvImageFormat:
|
|
* @format: the image format
|
|
* @caps: generated #GstCaps for this image format
|
|
*
|
|
* Structure storing image format to #GstCaps association.
|
|
*/
|
|
struct _GstXvImageFormat
|
|
{
|
|
gint format;
|
|
GstVideoFormat vformat;
|
|
GstCaps *caps;
|
|
};
|
|
|
|
#define GST_TYPE_XVCONTEXT (gst_xvcontext_get_type())
|
|
#define GST_IS_XVCONTEXT(obj) (GST_IS_MINI_OBJECT_TYPE(obj, GST_TYPE_XVCONTEXT))
|
|
#define GST_XVCONTEXT_CAST(obj) ((GstXvContext *)obj)
|
|
#define GST_XVCONTEXT(obj) (GST_XVCONTEXT_CAST(obj))
|
|
|
|
/*
|
|
* GstXvContext:
|
|
* @disp: the X11 Display of this context
|
|
* @screen: the default Screen of Display @disp
|
|
* @screen_num: the Screen number of @screen
|
|
* @visual: the default Visual of Screen @screen
|
|
* @root: the root Window of Display @disp
|
|
* @white: the value of a white pixel on Screen @screen
|
|
* @black: the value of a black pixel on Screen @screen
|
|
* @depth: the color depth of Display @disp
|
|
* @bpp: the number of bits per pixel on Display @disp
|
|
* @endianness: the endianness of image bytes on Display @disp
|
|
* @width: the width in pixels of Display @disp
|
|
* @height: the height in pixels of Display @disp
|
|
* @widthmm: the width in millimeters of Display @disp
|
|
* @heightmm: the height in millimeters of Display @disp
|
|
* @par: the pixel aspect ratio calculated from @width, @widthmm and @height,
|
|
* @heightmm ratio
|
|
* @use_xshm: used to known whether of not XShm extension is usable or not even
|
|
* if the Extension is present
|
|
* @use_xkb: used to known wether of not Xkb extension is usable or not even
|
|
* if the Extension is present
|
|
* @use_xi2: used to known wether of not XInput extension is usable or not even
|
|
* if the Extension is present
|
|
* @xi_opcode: XInput opcode
|
|
* @xv_port_id: the XVideo port ID
|
|
* @im_format: used to store at least a valid format for XShm calls checks
|
|
* @formats_list: list of supported image formats on @xv_port_id
|
|
* @channels_list: list of #GstColorBalanceChannels
|
|
* @caps: the #GstCaps that Display @disp can accept
|
|
*
|
|
* Structure used to store various information collected/calculated for a
|
|
* Display.
|
|
*/
|
|
struct _GstXvContext
|
|
{
|
|
GstMiniObject parent;
|
|
|
|
GMutex lock;
|
|
|
|
Display *disp;
|
|
|
|
Screen *screen;
|
|
gint screen_num;
|
|
|
|
Visual *visual;
|
|
|
|
Window root;
|
|
|
|
gulong white, black;
|
|
|
|
gint depth;
|
|
gint bpp;
|
|
gint endianness;
|
|
|
|
gint width, height;
|
|
gint widthmm, heightmm;
|
|
GValue *par; /* calculated pixel aspect ratio */
|
|
|
|
gboolean use_xshm;
|
|
gboolean use_xkb;
|
|
gboolean use_xi2;
|
|
int xi_opcode;
|
|
|
|
XvPortID xv_port_id;
|
|
guint nb_adaptors;
|
|
gchar **adaptors;
|
|
guint adaptor_nr;
|
|
gint im_format;
|
|
|
|
/* port features */
|
|
gboolean have_autopaint_colorkey;
|
|
gboolean have_colorkey;
|
|
gboolean have_double_buffer;
|
|
gboolean have_iturbt709;
|
|
gboolean have_xvcolorspace;
|
|
|
|
GList *formats_list;
|
|
|
|
GList *channels_list;
|
|
|
|
GstCaps *caps;
|
|
|
|
/* Optimisation storage for buffer_alloc return */
|
|
GstCaps *last_caps;
|
|
gint last_format;
|
|
gint last_width;
|
|
gint last_height;
|
|
};
|
|
|
|
GType gst_xvcontext_get_type (void);
|
|
|
|
void gst_xvcontext_config_clear (GstXvContextConfig *config);
|
|
|
|
GstXvContext * gst_xvcontext_new (GstXvContextConfig *config, GError **error);
|
|
|
|
/* refcounting */
|
|
static inline GstXvContext *
|
|
gst_xvcontext_ref (GstXvContext * xvcontext)
|
|
{
|
|
return GST_XVCONTEXT_CAST (gst_mini_object_ref (GST_MINI_OBJECT_CAST (
|
|
xvcontext)));
|
|
}
|
|
|
|
static inline void
|
|
gst_xvcontext_unref (GstXvContext * xvcontext)
|
|
{
|
|
gst_mini_object_unref (GST_MINI_OBJECT_CAST (xvcontext));
|
|
}
|
|
|
|
gint gst_xvcontext_get_format_from_info (GstXvContext * xvcontext,
|
|
const GstVideoInfo * info);
|
|
|
|
|
|
void gst_xvcontext_set_synchronous (GstXvContext * xvcontext,
|
|
gboolean synchronous);
|
|
void gst_xvcontext_update_colorbalance (GstXvContext * xvcontext,
|
|
GstXvContextConfig * config);
|
|
void gst_xvcontext_set_colorimetry (GstXvContext * xvcontext,
|
|
GstVideoColorimetry *colorimetry);
|
|
|
|
|
|
typedef struct _GstXWindow GstXWindow;
|
|
|
|
/*
|
|
* GstXWindow:
|
|
* @win: the Window ID of this X11 window
|
|
* @width: the width in pixels of Window @win
|
|
* @height: the height in pixels of Window @win
|
|
* @internal: used to remember if Window @win was created internally or passed
|
|
* through the #GstVideoOverlay interface
|
|
* @gc: the Graphical Context of Window @win
|
|
* @last_touch: timestamp of the last received touch event
|
|
* @touch_devices: list of known touchscreen devices
|
|
*
|
|
* Structure used to store information about a Window.
|
|
*/
|
|
struct _GstXWindow
|
|
{
|
|
GstXvContext *context;
|
|
|
|
Window win;
|
|
gint width, height;
|
|
gboolean have_render_rect;
|
|
GstVideoRectangle render_rect;
|
|
gboolean internal;
|
|
GC gc;
|
|
|
|
#ifdef HAVE_XI2
|
|
Time last_touch;
|
|
GArray *touch_devices;
|
|
#endif
|
|
};
|
|
|
|
/*
|
|
* GstXvTouchDevice:
|
|
* @name: the name of this decive
|
|
* @id: the device ID of this device
|
|
* @pressure_valuator: index of the valuator that encodes pressure data, if present
|
|
* @abs_pressure: if pressure is reported in absolute or relative values
|
|
* @current_pressure: stores the most recent pressure value for this device
|
|
* @pressure_min: lowest possible pressure value
|
|
* @pressure_max: highest possible pressure value
|
|
*
|
|
* Structure used to store information about a touchscreen device.
|
|
*/
|
|
struct _GstXvTouchDevice {
|
|
gchar *name;
|
|
gint id, pressure_valuator;
|
|
gboolean abs_pressure;
|
|
gdouble current_pressure, pressure_min, pressure_max;
|
|
};
|
|
|
|
G_END_DECLS
|
|
|
|
GstXWindow * gst_xvcontext_create_xwindow (GstXvContext * context,
|
|
gint width, gint height);
|
|
GstXWindow * gst_xvcontext_create_xwindow_from_xid (GstXvContext * context, XID xid);
|
|
|
|
void gst_xwindow_destroy (GstXWindow * window);
|
|
|
|
#ifdef HAVE_XI2
|
|
void gst_xwindow_select_touch_events (GstXvContext * context, GstXWindow * window);
|
|
#endif
|
|
|
|
void gst_xwindow_set_event_handling (GstXWindow * window, gboolean handle_events);
|
|
void gst_xwindow_set_title (GstXWindow * window, const gchar * title);
|
|
|
|
void gst_xwindow_update_geometry (GstXWindow * window);
|
|
void gst_xwindow_clear (GstXWindow * window);
|
|
|
|
void gst_xwindow_set_render_rectangle (GstXWindow * window,
|
|
gint x, gint y, gint width, gint height);
|
|
|
|
|
|
|
|
#endif /* __GST_XVCONTEXT_H__ */
|