src/video_output/control.h

   1 /*****************************************************************************
   2  * control.h : vout internal control
   3  *****************************************************************************
   4  * Copyright (C) 2009-2010 Laurent Aimar
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU Lesser General Public License as published by
  11  * the Free Software Foundation; either version 2.1 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17  * GNU Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public License
  20  * along with this program; if not, write to the Free Software Foundation,
  21  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 #ifndef LIBVLC_VOUT_INTERNAL_CONTROL_H
  25 #define LIBVLC_VOUT_INTERNAL_CONTROL_H
  26
  27 #include <vlc_vout_window.h>
  28
  29 /* */
  30 enum {
  31     VOUT_CONTROL_INIT,
  32     VOUT_CONTROL_CLEAN,
  33     VOUT_CONTROL_REINIT,                /* cfg */
  34     VOUT_CONTROL_CANCEL,
  35
  36 #if 0
  37     /* */
  38     VOUT_CONTROL_START,
  39     VOUT_CONTROL_STOP,
  40 #endif
  41     VOUT_CONTROL_SUBPICTURE,            /* subpicture */
  42     VOUT_CONTROL_FLUSH_SUBPICTURE,      /* integer */
  43     VOUT_CONTROL_OSD_TITLE,             /* string */
  44     VOUT_CONTROL_CHANGE_FILTERS,        /* string */
  45     VOUT_CONTROL_CHANGE_INTERLACE,      /* boolean */
  46     VOUT_CONTROL_CHANGE_SUB_SOURCES,    /* string */
  47     VOUT_CONTROL_CHANGE_SUB_FILTERS,    /* string */
  48     VOUT_CONTROL_CHANGE_SUB_MARGIN,     /* integer */
  49
  50     VOUT_CONTROL_PAUSE,
  51     VOUT_CONTROL_FLUSH,                 /* time */
  52     VOUT_CONTROL_STEP,                  /* time_ptr */
  53
  54     VOUT_CONTROL_FULLSCREEN,            /* bool */
  55     VOUT_CONTROL_WINDOW_STATE,          /* unsigned */
  56     VOUT_CONTROL_WINDOW_MOUSE,          /* window_mouse */
  57     VOUT_CONTROL_DISPLAY_FILLED,        /* bool */
  58     VOUT_CONTROL_ZOOM,                  /* pair */
  59
  60     VOUT_CONTROL_ASPECT_RATIO,          /* pair */
  61     VOUT_CONTROL_CROP_BORDER,           /* border */
  62     VOUT_CONTROL_CROP_RATIO,            /* pair */
  63     VOUT_CONTROL_CROP_WINDOW,           /* window */
  64     VOUT_CONTROL_VIEWPOINT,             /* viewpoint */
  65 };
  66
  67 typedef struct {
  68     int type;
  69
  70     union {
  71         bool    boolean;
  72         mtime_t time;
  73         mtime_t *time_ptr;
  74         char    *string;
  75         int     integer;
  76         struct {
  77             int a;
  78             int b;
  79         } pair;
  80         struct {
  81             bool is_on;
  82             mtime_t date;
  83         } pause;
  84         struct {
  85             int channel;
  86             char *string;
  87         } message;
  88         struct {
  89             unsigned left;
  90             unsigned top;
  91             unsigned right;
  92             unsigned bottom;
  93         } border;
  94         struct {
  95             unsigned x;
  96             unsigned y;
  97             unsigned width;
  98             unsigned height;
  99         } window;
 100         vout_window_mouse_event_t window_mouse;
 101         const vout_configuration_t *cfg;
 102         subpicture_t *subpicture;
 103         vlc_viewpoint_t viewpoint;
 104     } u;
 105 } vout_control_cmd_t;
 106
 107 void vout_control_cmd_Init(vout_control_cmd_t *, int type);
 108 void vout_control_cmd_Clean(vout_control_cmd_t *);
 109
 110 typedef struct {
 111     vlc_mutex_t lock;
 112     vlc_cond_t  wait_request;
 113     vlc_cond_t  wait_acknowledge;
 114
 115     /* */
 116     bool is_dead;
 117     bool can_sleep;
 118     bool is_processing;
 119     DECL_ARRAY(vout_control_cmd_t) cmd;
 120 } vout_control_t;
 121
 122 /* */
 123 void vout_control_Init(vout_control_t *);
 124 void vout_control_Clean(vout_control_t *);
 125
 126 /* controls outside of the vout thread */
 127 void vout_control_WaitEmpty(vout_control_t *);
 128
 129 void vout_control_Push(vout_control_t *, vout_control_cmd_t *);
 130 void vout_control_PushVoid(vout_control_t *, int type);
 131 void vout_control_PushBool(vout_control_t *, int type, bool boolean);
 132 void vout_control_PushInteger(vout_control_t *, int type, int integer);
 133 void vout_control_PushTime(vout_control_t *, int type, mtime_t time);
 134 void vout_control_PushMessage(vout_control_t *, int type, int channel, const char *string);
 135 void vout_control_PushPair(vout_control_t *, int type, int a, int b);
 136 void vout_control_PushString(vout_control_t *, int type, const char *string);
 137 void vout_control_Wake(vout_control_t *);
 138
 139 /* control inside of the vout thread */
 140 int vout_control_Pop(vout_control_t *, vout_control_cmd_t *, mtime_t deadline);
 141 void vout_control_Dead(vout_control_t *);
 142
 143 #endif