include/vlc_interface.h

   1 /*****************************************************************************
   2  * vlc_interface.h: interface access for other threads
   3  * This library provides basic functions for threads to interact with user
   4  * interface, such as message output.
   5  *****************************************************************************
   6  * Copyright (C) 1999, 2000 VLC authors and VideoLAN
   7  *
   8  * Authors: Vincent Seguin <seguin@via.ecp.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify it
  11  * under the terms of the GNU Lesser General Public License as published by
  12  * the Free Software Foundation; either version 2.1 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18  * GNU Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public License
  21  * along with this program; if not, write to the Free Software Foundation,
  22  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 #ifndef VLC_INTF_H_
  26 #define VLC_INTF_H_
  27
  28 # ifdef __cplusplus
  29 extern "C" {
  30 # endif
  31
  32 typedef struct vlc_playlist vlc_playlist_t;
  33 typedef struct intf_dialog_args_t intf_dialog_args_t;
  34
  35 /**
  36  * \defgroup interface Interface
  37  * \ingroup vlc
  38  * VLC user interfaces
  39  * @{
  40  * \file
  41  * VLC user interface modules
  42  */
  43
  44 typedef struct intf_sys_t intf_sys_t;
  45
  46 /** Describe all interface-specific data of the interface thread */
  47 typedef struct intf_thread_t
  48 {
  49     struct vlc_common_members obj;
  50
  51     struct intf_thread_t *p_next; /** LibVLC interfaces book keeping */
  52
  53     /* Specific interfaces */
  54     intf_sys_t *        p_sys;                          /** system interface */
  55
  56     /** Interface module */
  57     module_t *   p_module;
  58
  59     /** Specific for dialogs providers */
  60     void ( *pf_show_dialog ) ( struct intf_thread_t *, int, int,
  61                                intf_dialog_args_t * );
  62
  63     config_chain_t *p_cfg;
  64 } intf_thread_t;
  65
  66 /** \brief Arguments passed to a dialogs provider
  67  *  This describes the arguments passed to the dialogs provider. They are
  68  *  mainly used with INTF_DIALOG_FILE_GENERIC.
  69  */
  70 struct intf_dialog_args_t
  71 {
  72     intf_thread_t *p_intf;
  73     char *psz_title;
  74
  75     char **psz_results;
  76     int  i_results;
  77
  78     void (*pf_callback) ( intf_dialog_args_t * );
  79     void *p_arg;
  80
  81     /* Specifically for INTF_DIALOG_FILE_GENERIC */
  82     char *psz_extensions;
  83     bool b_save;
  84     bool b_multiple;
  85
  86     /* Specific to INTF_DIALOG_INTERACTION */
  87     struct interaction_dialog_t *p_dialog;
  88 };
  89
  90 VLC_API int intf_Create( playlist_t *, const char * );
  91
  92 VLC_API void libvlc_Quit( libvlc_int_t * );
  93
  94 static inline playlist_t *pl_Get( struct intf_thread_t *intf )
  95 {
  96     return (playlist_t *)(intf->obj.parent);
  97 }
  98
  99 VLC_API vlc_playlist_t *
 100 vlc_intf_GetMainPlaylist(intf_thread_t *intf);
 101
 102 /**
 103  * Retrieves the current input thread from the playlist.
 104  * @note The returned object must be released with vlc_object_release().
 105  */
 106 #define pl_CurrentInput(intf) (playlist_CurrentInput(pl_Get(intf)))
 107
 108 /**
 109  * @ingroup messages
 110  * @{
 111  */
 112
 113 VLC_API void vlc_LogSet(libvlc_int_t *, const struct vlc_logger_operations *,
 114                         void *data);
 115
 116 /*@}*/
 117
 118 /* Interface dialog ids for dialog providers */
 119 typedef enum vlc_intf_dialog {
 120     INTF_DIALOG_FILE_SIMPLE = 1,
 121     INTF_DIALOG_FILE,
 122     INTF_DIALOG_DISC,
 123     INTF_DIALOG_NET,
 124     INTF_DIALOG_CAPTURE,
 125     INTF_DIALOG_SAT,
 126     INTF_DIALOG_DIRECTORY,
 127
 128     INTF_DIALOG_STREAMWIZARD,
 129     INTF_DIALOG_WIZARD,
 130
 131     INTF_DIALOG_PLAYLIST,
 132     INTF_DIALOG_MESSAGES,
 133     INTF_DIALOG_FILEINFO,
 134     INTF_DIALOG_PREFS,
 135     INTF_DIALOG_BOOKMARKS,
 136     INTF_DIALOG_EXTENDED,
 137     INTF_DIALOG_RENDERER,
 138
 139     INTF_DIALOG_POPUPMENU = 20,
 140     INTF_DIALOG_AUDIOPOPUPMENU,
 141     INTF_DIALOG_VIDEOPOPUPMENU,
 142     INTF_DIALOG_MISCPOPUPMENU,
 143
 144     INTF_DIALOG_FILE_GENERIC = 30,
 145     INTF_DIALOG_INTERACTION = 50,
 146     INTF_DIALOG_SENDKEY = 51,
 147
 148     INTF_DIALOG_UPDATEVLC = 90,
 149     INTF_DIALOG_VLM,
 150
 151     INTF_DIALOG_EXIT = 99
 152 } vlc_intf_dialog;
 153
 154 /* Useful text messages shared by interfaces */
 155 #define INTF_ABOUT_MSG LICENSE_MSG
 156
 157 #define EXTENSIONS_AUDIO_CSV "3ga", "669", "a52", "aac", "ac3", "adt", "adts", "aif", "aifc", "aiff", \
 158                          "amb", "amr", "aob", "ape", "au", "awb", "caf", "dts", "dsf", "dff", "flac", "it", "kar", \
 159                          "m4a", "m4b", "m4p", "m5p", "mka", "mlp", "mod", "mpa", "mp1", "mp2", "mp3", "mpc", "mpga", "mus", \
 160                          "oga", "ogg", "oma", "opus", "qcp", "ra", "rmi", "s3m", "sid", "spx", "tak", "thd", "tta", \
 161                          "voc", "vqf", "w64", "wav", "wma", "wv", "xa", "xm"
 162
 163 #define EXTENSIONS_VIDEO_CSV "3g2", "3gp", "3gp2", "3gpp", "amv", "asf", "avi", "bik", "crf", "divx", "drc", "dv", "dvr-ms" \
 164                              "evo", "f4v", "flv", "gvi", "gxf", "iso", \
 165                              "m1v", "m2v", "m2t", "m2ts", "m4v", "mkv", "mov",\
 166                              "mp2", "mp2v", "mp4", "mp4v", "mpe", "mpeg", "mpeg1", \
 167                              "mpeg2", "mpeg4", "mpg", "mpv2", "mts", "mtv", "mxf", "mxg", "nsv", "nuv", \
 168                              "ogg", "ogm", "ogv", "ogx", "ps", \
 169                              "rec", "rm", "rmvb", "rpl", "thp", "tod", "ts", "tts", "txd", "vob", "vro", \
 170                              "webm", "wm", "wmv", "wtv", "xesc"
 171
 172 #define EXTENSIONS_AUDIO \
 173     "*.3ga;" \
 174     "*.669;" \
 175     "*.a52;" \
 176     "*.aac;" \
 177     "*.ac3;" \
 178     "*.adt;" \
 179     "*.adts;" \
 180     "*.aif;"\
 181     "*.aifc;"\
 182     "*.aiff;"\
 183     "*.amb;" \
 184     "*.amr;" \
 185     "*.aob;" \
 186     "*.ape;" \
 187     "*.au;" \
 188     "*.awb;" \
 189     "*.caf;" \
 190     "*.dts;" \
 191     "*.dsf;" \
 192     "*.dff;" \
 193     "*.flac;"\
 194     "*.it;"  \
 195     "*.kar;" \
 196     "*.m4a;" \
 197     "*.m4b;" \
 198     "*.m4p;" \
 199     "*.m5p;" \
 200     "*.mid;" \
 201     "*.mka;" \
 202     "*.mlp;" \
 203     "*.mod;" \
 204     "*.mpa;" \
 205     "*.mp1;" \
 206     "*.mp2;" \
 207     "*.mp3;" \
 208     "*.mpc;" \
 209     "*.mpga;" \
 210     "*.mus;" \
 211     "*.oga;" \
 212     "*.ogg;" \
 213     "*.oma;" \
 214     "*.opus;" \
 215     "*.qcp;" \
 216     "*.ra;" \
 217     "*.rmi;" \
 218     "*.s3m;" \
 219     "*.sid;" \
 220     "*.spx;" \
 221     "*.tak;" \
 222     "*.thd;" \
 223     "*.tta;" \
 224     "*.voc;" \
 225     "*.vqf;" \
 226     "*.w64;" \
 227     "*.wav;" \
 228     "*.wma;" \
 229     "*.wv;"  \
 230     "*.xa;"  \
 231     "*.xm"
 232
 233 #define EXTENSIONS_VIDEO "*.3g2;*.3gp;*.3gp2;*.3gpp;*.amv;*.asf;*.avi;*.bik;*.bin;*.crf;*.divx;*.drc;*.dv;*.dvr-ms;*.evo;*.f4v;*.flv;*.gvi;*.gxf;*.iso;*.m1v;*.m2v;" \
 234                          "*.m2t;*.m2ts;*.m4v;*.mkv;*.mov;*.mp2;*.mp2v;*.mp4;*.mp4v;*.mpe;*.mpeg;*.mpeg1;" \
 235                          "*.mpeg2;*.mpeg4;*.mpg;*.mpv2;*.mts;*.mtv;*.mxf;*.mxg;*.nsv;*.nuv;" \
 236                          "*.ogg;*.ogm;*.ogv;*.ogx;*.ps;" \
 237                          "*.rec;*.rm;*.rmvb;*.rpl;*.thp;*.tod;*.tp;*.ts;*.tts;*.txd;*.vob;*.vro;*.webm;*.wm;*.wmv;*.wtv;*.xesc"
 238
 239 #define EXTENSIONS_PLAYLIST "*.asx;*.b4s;*.cue;*.ifo;*.m3u;*.m3u8;*.pls;*.ram;*.rar;*.sdp;*.vlc;*.xspf;*.wax;*.wvx;*.zip;*.conf"
 240
 241 #define EXTENSIONS_MEDIA EXTENSIONS_VIDEO ";" EXTENSIONS_AUDIO ";" \
 242                           EXTENSIONS_PLAYLIST
 243
 244 #define EXTENSIONS_SUBTITLE "*.cdg;*.idx;*.srt;" \
 245                             "*.sub;*.utf;*.ass;" \
 246                             "*.ssa;*.aqt;" \
 247                             "*.jss;*.psb;" \
 248                             "*.rt;*.sami;*.smi;*.txt;" \
 249                             "*.smil;*.stl;*.usf;" \
 250                             "*.dks;*.pjs;*.mpl2;*.mks;" \
 251                             "*.vtt;*.tt;*.ttml;*.dfxp;" \
 252                             "*.scc"
 253
 254 /** \defgroup interaction Interaction
 255  * \ingroup interface
 256  * Interaction between user and modules
 257  * @{
 258  */
 259
 260 /**
 261  * This structure describes a piece of interaction with the user
 262  */
 263 typedef struct interaction_dialog_t
 264 {
 265     int             i_type;             ///< Type identifier
 266     char           *psz_title;          ///< Title
 267     char           *psz_description;    ///< Descriptor string
 268     char           *psz_default_button;  ///< default button title (~OK)
 269     char           *psz_alternate_button;///< alternate button title (~NO)
 270     /// other button title (optional,~Cancel)
 271     char           *psz_other_button;
 272
 273     char           *psz_returned[1];    ///< returned responses from the user
 274
 275     vlc_value_t     val;                ///< value coming from core for dialogue
 276     int             i_timeToGo;         ///< time (in sec) until shown progress is finished
 277     bool      b_cancelled;        ///< was the dialogue cancelled ?
 278
 279     void *          p_private;          ///< Private interface data
 280
 281     int             i_status;           ///< Dialog status;
 282     int             i_action;           ///< Action to perform;
 283     int             i_flags;            ///< Misc flags
 284     int             i_return;           ///< Return status
 285
 286     vlc_object_t   *p_parent;           ///< The vlc object that asked
 287                                         //for interaction
 288     intf_thread_t  *p_interface;
 289     vlc_mutex_t    *p_lock;
 290 } interaction_dialog_t;
 291
 292 /**
 293  * Possible flags . Dialog types
 294  */
 295 #define DIALOG_GOT_ANSWER           0x01
 296 #define DIALOG_YES_NO_CANCEL        0x02
 297 #define DIALOG_LOGIN_PW_OK_CANCEL   0x04
 298 #define DIALOG_PSZ_INPUT_OK_CANCEL  0x08
 299 #define DIALOG_BLOCKING_ERROR       0x10
 300 #define DIALOG_NONBLOCKING_ERROR    0x20
 301 #define DIALOG_USER_PROGRESS        0x80
 302 #define DIALOG_INTF_PROGRESS        0x100
 303
 304 /** Possible return codes */
 305 enum
 306 {
 307     DIALOG_OK_YES,
 308     DIALOG_NO,
 309     DIALOG_CANCELLED
 310 };
 311
 312 /** Possible status  */
 313 enum
 314 {
 315     ANSWERED_DIALOG,            ///< Got "answer"
 316     DESTROYED_DIALOG,           ///< Interface has destroyed it
 317 };
 318
 319 /** Possible actions */
 320 enum
 321 {
 322     INTERACT_NEW,
 323     INTERACT_UPDATE,
 324     INTERACT_HIDE,
 325     INTERACT_DESTROY
 326 };
 327
 328 #define intf_UserStringInput( a, b, c, d ) (VLC_OBJECT(a),b,c,d, VLC_EGENERIC)
 329 #define interaction_Register( t ) (t, VLC_EGENERIC)
 330 #define interaction_Unregister( t ) (t, VLC_EGENERIC)
 331
 332
 333 /** @} */
 334 /** @} */
 335
 336 # ifdef __cplusplus
 337 }
 338 # endif
 339 #endif