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Modified vout_window_t to be completly independant of vout.

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This commit is contained in:
Laurent Aimar 2009-07-31 21:15:33 +02:00
parent 8d58d01482
commit a82db287f8
6 changed files with 235 additions and 158 deletions
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150
include/vlc_vout_window.h Normal file
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@ -0,0 +1,150 @@
/*****************************************************************************
* vlc_vout_window.h: vout_window_t definitions
*****************************************************************************
* Copyright (C) 2008 Rémi Denis-Courmont
* Copyright (C) 2009 Laurent Aimar
* $Id$
*
* Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef VLC_VOUT_WINDOW_H
#define VLC_VOUT_WINDOW_H 1
/**
* \file
* This file defines vout windows structures and functions in vlc
*/
#include <vlc_common.h>
/* */
typedef struct vout_window_t vout_window_t;
typedef struct vout_window_sys_t vout_window_sys_t;
/**
* Window handle type
*/
enum {
VOUT_WINDOW_TYPE_XWINDOW,
VOUT_WINDOW_TYPE_HWND,
};
/**
* Control query for vout_window_t
*/
enum {
VOUT_WINDOW_SET_ON_TOP, /* int b_on_top */
VOUT_WINDOW_SET_SIZE, /* int i_width, int i_height */
};
typedef struct {
/* If true, a standalone window is requested */
bool is_standalone;
/* Window handle type */
int type;
/* Window position hint */
int x;
int y;
/* Windows size int */
int width;
int height;
} vout_window_cfg_t;
/**
* FIXME do we need an event system in the window too ?
* or the window user will take care of it ?
*/
struct vout_window_t {
VLC_COMMON_MEMBERS
/* Module */
module_t *module;
/* Initial state (reserved).
* Once the open function is called, it will be set to NULL
*/
const vout_window_cfg_t *cfg;
/* window handle (mandatory)
*
* It must be filled in the open function.
*/
union {
void *hwnd; /* Win32 window handle */
uint32_t xid; /* X11 windows ID */
} handle;
/* Control on the module (mandatory)
*
* Do not use it directly but use vout_window_Control.
*/
int (*control)(vout_window_t *, int query, va_list);
/* Private place holder for the vout_window_t module (optional)
*
* A module is free to used it as it wishes.
*/
vout_window_sys_t *sys;
};
/**
* It creates a new window.
*
* XXX If you are inside a "vout display", you must use
* vout_display_New/DeleteWindow when possible to allow window recycling.
*/
VLC_EXPORT( vout_window_t *, vout_window_New, (vlc_object_t *, const char *module, const vout_window_cfg_t *) );
/**
* It deletes a window created by vout_window_New.
*
* XXX See vout_window_New about window recycling.
*/
VLC_EXPORT( void, vout_window_Delete, (vout_window_t *) );
/**
* It allows configuring a window.
*
* XXX you must own the windows, and vout_window_t are not thread safe.
* You must not use it directly but prefer the vout_window_* wrappers.
*/
VLC_EXPORT( int, vout_window_Control, (vout_window_t *, int query, ...) );
/**
* Configure the "On Top" properties of a windows.
*/
static inline int vout_window_SetOnTop(vout_window_t *window, bool is_on_top)
{
return vout_window_Control(window, VOUT_WINDOW_SET_ON_TOP, is_on_top);
}
/**
* Configure the windows display size.
*/
static inline int vout_window_SetSize(vout_window_t *window, int width, int height)
{
return vout_window_Control(window, VOUT_WINDOW_SET_SIZE, width, height);
}
#endif /* VLC_VOUT_WINDOW_H */

73
include/vlc_window.h
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@ -1,73 +0,0 @@
/*****************************************************************************
* vlc_window.h: Embedded video output window
*****************************************************************************
* Copyright (C) 2008 Rémi Denis-Courmont
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef LIBVLCCORE_WINDOW_H
# define LIBVLCCORE_WINDOW_H 1
/**
* \file
* This file defines functions and structures for output windows
*/
# include <stdarg.h>
typedef struct vout_window_t vout_window_t;
typedef struct vout_window_sys_t vout_window_sys_t;
struct vout_window_t
{
VLC_COMMON_MEMBERS
module_t *module;
vout_thread_t *vout;
union
{
void *hwnd; /* Win32 window handle */
uint32_t xid; /* X11 window ID */
} handle;
vout_window_sys_t *p_sys; /* window provider private data */
unsigned width; /* pixels width */
unsigned height; /* pixels height */
int pos_x; /* horizontal position hint */
int pos_y; /* vertical position hint */
int (*control) (struct vout_window_t *, int, va_list);
};
VLC_EXPORT( vout_window_t *, vout_RequestWindow, ( vout_thread_t *, const char *, int *, int *, unsigned int *, unsigned int * ) );
VLC_EXPORT( void, vout_ReleaseWindow, ( vout_window_t * ) );
VLC_EXPORT( int, vout_ControlWindow, ( vout_window_t *, int, va_list ) );
static inline vout_window_t *
vout_RequestXWindow (vout_thread_t *vout,
int *x, int *y, unsigned *w, unsigned *h)
{
return vout_RequestWindow (vout, "xwindow", x, y, w, h);
}
static inline vout_window_t *
vout_RequestHWND (vout_thread_t *vout,
int *x, int *y, unsigned *w, unsigned *h)
{
return vout_RequestWindow (vout, "hwnd", x, y, w, h);
}
#endif /* !LIBVLCCORE_WINDOW_H */

3
src/Makefile.am
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@ -95,7 +95,7 @@ pluginsinclude_HEADERS = \
../include/vlc_vlm.h \
../include/vlc_video_splitter.h \
../include/vlc_vout.h \
../include/vlc_window.h \
../include/vlc_vout_window.h \
../include/vlc_xml.h \
$(NULL)
@ -350,6 +350,7 @@ SOURCES_libvlc_common = \
video_output/video_text.c \
video_output/video_widgets.c \
video_output/vout_subpictures.c \
video_output/window.c \
video_output/vout_intf.c \
video_output/vout_internal.h \
video_output/vout_control.h \

6
src/libvlccore.sym
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@ -560,7 +560,6 @@ __vlm_New
__vout_AllocatePicture
vout_ChromaCmp
vout_Close
vout_ControlWindow
__vout_Create
vout_CreatePicture
vout_DestroyPicture
@ -573,11 +572,12 @@ vout_OSDIcon
__vout_OSDMessage
vout_OSDSlider
vout_PlacePicture
vout_ReleaseWindow
__vout_Request
vout_RequestWindow
vout_ShowTextAbsolute
vout_ShowTextRelative
vout_UnlinkPicture
vout_window_New
vout_window_Control
vout_window_Delete
__xml_Create
xml_Delete

81
src/video_output/vout_intf.c
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@ -43,7 +43,6 @@
#include <vlc_playlist.h>
#include <vlc_vout.h>
#include <vlc_window.h>
#include <vlc_image.h>
#include <vlc_osd.h>
#include <vlc_charset.h>
@ -81,86 +80,6 @@ static int TitleTimeoutCallback( vlc_object_t *, char const *,
static int TitlePositionCallback( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
/**
* Creates a video output window.
* On Unix systems, this is an X11 drawable (handle).
* On Windows, this is a Win32 window (handle).
* Video output plugins are supposed to called this function and display the
* video within the resulting window, while in windowed mode.
*
* @param p_vout video output thread to create a window for
* @param psz_cap VLC module capability (window system type)
* @param pi_x_hint pointer to store the recommended horizontal position [OUT]
* @param pi_y_hint pointer to store the recommended vertical position [OUT]
* @param pi_width_hint pointer to store the recommended width [OUT]
* @param pi_height_hint pointer to store the recommended height [OUT]
*
* @return a vout_window_t object, or NULL in case of failure.
* The window is released with vout_ReleaseWindow().
*/
vout_window_t *vout_RequestWindow( vout_thread_t *p_vout, const char *psz_cap,
int *pi_x_hint, int *pi_y_hint,
unsigned int *pi_width_hint,
unsigned int *pi_height_hint )
{
/* Get requested coordinates */
*pi_x_hint = var_GetInteger( p_vout, "video-x" );
*pi_y_hint = var_GetInteger( p_vout, "video-y" );
*pi_width_hint = p_vout->i_window_width;
*pi_height_hint = p_vout->i_window_height;
vout_window_t *wnd = vlc_custom_create (VLC_OBJECT(p_vout), sizeof (*wnd),
VLC_OBJECT_GENERIC, "window");
if (wnd == NULL)
return NULL;
wnd->vout = p_vout;
wnd->width = *pi_width_hint;
wnd->height = *pi_height_hint;
wnd->pos_x = *pi_x_hint;
wnd->pos_y = *pi_y_hint;
vlc_object_attach (wnd, p_vout);
wnd->module = module_need (wnd, psz_cap, NULL, false);
if (wnd->module == NULL)
{
msg_Dbg (wnd, "no \"%s\" window provider available", psz_cap);
vlc_object_release (wnd);
return NULL;
}
*pi_width_hint = wnd->width;
*pi_height_hint = wnd->height;
*pi_x_hint = wnd->pos_x;
*pi_y_hint = wnd->pos_y;
return wnd;
}
/**
* Releases a window handle obtained with vout_RequestWindow().
* @param p_vout video output thread that allocated the window
* (if this is NULL; this fnction is a no-op).
*/
void vout_ReleaseWindow( vout_window_t *wnd )
{
if (wnd == NULL)
return;
assert (wnd->module);
module_unneed (wnd, wnd->module);
vlc_object_release (wnd);
}
int vout_ControlWindow( vout_window_t *wnd, int i_query, va_list args )
{
if (wnd == NULL)
return VLC_EGENERIC;
assert (wnd->control);
return wnd->control (wnd, i_query, args);
}
/*****************************************************************************
* vout_IntfInit: called during the vout creation to initialise misc things.
*****************************************************************************/

80
src/video_output/window.c Normal file
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@ -0,0 +1,80 @@
/*****************************************************************************
* window.c: "vout window" managment
*****************************************************************************
* Copyright (C) 2009 Laurent Aimar
* $Id$
*
* Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <assert.h>
#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_vout_window.h>
vout_window_t *vout_window_New(vlc_object_t *obj,
const char *module,
const vout_window_cfg_t *cfg)
{
vout_window_t *window = vlc_object_create(obj, sizeof(*window));
window->cfg = cfg;
memset(&window->handle, 0, sizeof(window->handle));
window->control = NULL;
window->sys = NULL;
vlc_object_attach(window, obj);
window->module = module_need(window, "vout window",
module, module && *module != '\0');
if (!window->module) {
vlc_object_detach(window);
vlc_object_release(window);
return NULL;
}
return window;
}
void vout_window_Delete(vout_window_t *window)
{
if (!window)
return;
vlc_object_detach(window);
module_unneed(window, window->module);
vlc_object_release(window);
}
int vout_window_Control(vout_window_t *window, int query, ...)
{
va_list args;
va_start(args, query);
int ret = window->control(window, query, args);
va_end(args);
return ret;
}