projects/mozilla/vlcplugin.h

   1 /*****************************************************************************
   2  * vlcplugin.h: a VLC plugin for Mozilla
   3  *****************************************************************************
   4  * Copyright (C) 2002-2009 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Samuel Hocevar <sam@zoy.org>
   8  *          Damien Fouilleul <damienf@videolan.org>
   9  *          Jean-Paul Saman <jpsaman@videolan.org>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  24  *****************************************************************************/
  25
  26 /*******************************************************************************
  27  * Instance state information about the plugin.
  28  ******************************************************************************/
  29 #ifndef __VLCPLUGIN_H__
  30 #define __VLCPLUGIN_H__
  31
  32 #include <vlc/vlc.h>
  33 #include <pthread.h>
  34 #include <npapi.h>
  35 #include <vector>
  36
  37 #include "control/nporuntime.h"
  38
  39 #if !defined(XP_MACOSX) && !defined(XP_UNIX) && !defined(XP_WIN)
  40 #define XP_UNIX 1
  41 #elif defined(XP_MACOSX)
  42 #undef XP_UNIX
  43 #endif
  44
  45 #ifdef XP_WIN
  46     /* Windows stuff */
  47 #endif
  48
  49 #ifdef XP_MACOSX
  50     /* Mac OS X stuff */
  51 #   include <Quickdraw.h>
  52 #endif
  53
  54 #ifdef XP_UNIX
  55     /* X11 stuff */
  56 #   include <X11/Xlib.h>
  57 #   include <X11/Intrinsic.h>
  58 #   include <X11/StringDefs.h>
  59 #   include <X11/X.h>
  60
  61 #   ifndef __APPLE__
  62 #       include <X11/xpm.h>
  63 #   endif
  64 #endif
  65
  66 #ifndef __MAX
  67 #   define __MAX(a, b)   ( ((a) > (b)) ? (a) : (b) )
  68 #endif
  69 #ifndef __MIN
  70 #   define __MIN(a, b)   ( ((a) < (b)) ? (a) : (b) )
  71 #endif
  72
  73 typedef enum vlc_toolbar_clicked_e {
  74     clicked_Unknown = 0,
  75     clicked_Play,
  76     clicked_Pause,
  77     clicked_Stop,
  78     clicked_timeline,
  79     clicked_Time,
  80     clicked_Fullscreen,
  81     clicked_Mute,
  82     clicked_Unmute
  83 } vlc_toolbar_clicked_t;
  84
  85
  86 // Note that the accessor functions are unsafe, but this is handled in
  87 // the next layer up. 64bit uints can be substituted to taste (shift=6).
  88 template<size_t M> class bitmap
  89 {
  90 private:
  91     typedef uint32_t bitu_t; enum { shift=5 };
  92     enum { bmax=M, bpu=1<<shift, mask=bpu-1, units=(bmax+bpu-1)/bpu };
  93     bitu_t bits[units];
  94 public:
  95     bool get(size_t idx) const { return bits[idx>>shift]&(1<<(idx&mask)); }
  96     void set(size_t idx)       { bits[idx>>shift]|=  1<<(idx&mask);  }
  97     void reset(size_t idx)     { bits[idx>>shift]&=~(1<<(idx&mask)); }
  98     void toggle(size_t idx)    { bits[idx>>shift]^=  1<<(idx&mask);  }
  99     size_t maxbit() const      { return bmax; }
 100     void clear()               { memset(bits,0,sizeof(bits)); }
 101     bitmap() { clear(); }
 102     ~bitmap() { }
 103     bool empty() const { // naive invert() will break this
 104         for(size_t i=0;i<units;++i)
 105             if(bits[i]) return false;
 106         return true;
 107     }
 108 };
 109
 110 typedef bitmap<libvlc_num_event_types> eventtypes_bitmap_t;
 111
 112
 113 class EventObj: private eventtypes_bitmap_t
 114 {
 115 private:
 116     typedef libvlc_event_type_t event_t;
 117     bool have_event(event_t e) const { return e<maxbit()?get(e):false; }
 118
 119     class Listener: public eventtypes_bitmap_t
 120     {
 121     public:
 122         Listener(event_t e,NPObject *o,bool b): _l(o), _b(b)
 123             { NPN_RetainObject(o); set(e); }
 124         Listener(): _l(NULL), _b(false) { }
 125         ~Listener() { if(_l) NPN_ReleaseObject(_l); }
 126         NPObject *listener() const { return _l; }
 127         bool bubble() const { return _b; }
 128     private:
 129         NPObject *_l;
 130         bool _b;
 131     };
 132
 133     libvlc_event_manager_t *_em;
 134     libvlc_callback_t _cb;
 135     void *_ud;
 136 public:
 137     EventObj(): _em(NULL)  { /* deferred to init() */ }
 138     bool init() { return pthread_mutex_init(&mutex, NULL) == 0; }
 139     ~EventObj() { pthread_mutex_destroy(&mutex); }
 140
 141     void deliver(NPP browser);
 142     void callback(const libvlc_event_t*);
 143     bool insert(const NPString &, NPObject *, bool);
 144     bool remove(const NPString &, NPObject *, bool);
 145     void unhook_manager();
 146     void hook_manager(libvlc_event_manager_t *,libvlc_callback_t, void *);
 147 private:
 148     event_t find_event(const char *s) const;
 149     typedef std::vector<Listener> lr_l;
 150     typedef std::vector<libvlc_event_type_t> ev_l;
 151     lr_l _llist;
 152     ev_l _elist;
 153
 154     pthread_mutex_t mutex;
 155
 156     bool ask_for_event(event_t e);
 157     void unask_for_event(event_t e);
 158 };
 159
 160
 161 class VlcPlugin
 162 {
 163 public:
 164              VlcPlugin( NPP, uint16 );
 165     virtual ~VlcPlugin();
 166
 167     NPError             init(int argc, char* const argn[], char* const argv[]);
 168     libvlc_instance_t*  getVLC()
 169                             { return libvlc_instance; };
 170     libvlc_media_player_t* getMD(libvlc_exception_t *ex)
 171     {
 172         if( !libvlc_media_player )
 173         {
 174              libvlc_exception_raise(ex);
 175              libvlc_printerr("no mediaplayer");
 176         }
 177         return libvlc_media_player;
 178     }
 179     NPP                 getBrowser()
 180                             { return p_browser; };
 181     char*               getAbsoluteURL(const char *url);
 182     NPWindow&           getWindow()
 183                             { return npwindow; };
 184     void                setWindow(const NPWindow &window)
 185                             { npwindow = window; };
 186
 187     NPClass*            getScriptClass()
 188                             { return p_scriptClass; };
 189
 190 #if defined(XP_WIN)
 191     WNDPROC             getWindowProc()
 192                             { return pf_wndproc; };
 193     void                setWindowProc(WNDPROC wndproc)
 194                             { pf_wndproc = wndproc; };
 195 #endif
 196
 197 #if defined(XP_UNIX)
 198     int                 setSize(unsigned width, unsigned height);
 199     Window              getVideoWindow()
 200                             { return npvideo; };
 201     void                setVideoWindow(Window window)
 202                             { npvideo = window; };
 203     Window              getControlWindow()
 204                             { return npcontrol; };
 205     void                setControlWindow(Window window)
 206                             { npcontrol = window; };
 207
 208     void                showToolbar();
 209     void                hideToolbar();
 210     void                redrawToolbar();
 211     void                getToolbarSize(unsigned int *width, unsigned int *height)
 212                             { *width = i_tb_width; *height = i_tb_height; };
 213     int                 setToolbarSize(unsigned int width, unsigned int height)
 214                             { i_tb_width = width; i_tb_height = height; return 1; };
 215     vlc_toolbar_clicked_t getToolbarButtonClicked( int i_xpos, int i_ypos );
 216 #endif
 217
 218     uint16    i_npmode; /* either NP_EMBED or NP_FULL */
 219
 220     /* plugin properties */
 221     int      b_stream;
 222     int      b_autoplay;
 223     int      b_toolbar;
 224     char *   psz_text;
 225     char *   psz_target;
 226
 227     void playlist_play(libvlc_exception_t *ex)
 228     {
 229         if( libvlc_media_player||playlist_select(0,ex) )
 230             libvlc_media_player_play(libvlc_media_player);
 231     }
 232     void playlist_play_item(int idx,libvlc_exception_t *ex)
 233     {
 234         if( playlist_select(idx,ex) )
 235             libvlc_media_player_play(libvlc_media_player);
 236     }
 237     void playlist_stop()
 238     {
 239         if( libvlc_media_player )
 240             libvlc_media_player_stop(libvlc_media_player);
 241     }
 242     void playlist_next(libvlc_exception_t *ex)
 243     {
 244         if( playlist_select(playlist_index+1,ex) )
 245             libvlc_media_player_play(libvlc_media_player);
 246     }
 247     void playlist_prev(libvlc_exception_t *ex)
 248     {
 249         if( playlist_select(playlist_index-1,ex) )
 250             libvlc_media_player_play(libvlc_media_player);
 251     }
 252     void playlist_pause()
 253     {
 254         if( libvlc_media_player )
 255             libvlc_media_player_pause(libvlc_media_player);
 256     }
 257     int playlist_isplaying()
 258     {
 259         int is_playing = 0;
 260         if( libvlc_media_player )
 261             is_playing = libvlc_media_player_is_playing(
 262                                 libvlc_media_player );
 263         return is_playing;
 264     }
 265
 266     int playlist_add( const char *, libvlc_exception_t * );
 267     int playlist_add_extended_untrusted( const char *, const char *, int,
 268                                 const char **, libvlc_exception_t * );
 269     void playlist_delete_item( int, libvlc_exception_t * );
 270     void playlist_clear( libvlc_exception_t * );
 271     int  playlist_count();
 272
 273     void toggle_fullscreen( libvlc_exception_t * );
 274     void set_fullscreen( int, libvlc_exception_t * );
 275     int  get_fullscreen( libvlc_exception_t * );
 276
 277     bool  player_has_vout( libvlc_exception_t * );
 278
 279
 280     static bool canUseEventListener();
 281
 282     EventObj events;
 283 private:
 284     bool playlist_select(int,libvlc_exception_t *);
 285     void set_player_window();
 286
 287     /* VLC reference */
 288     int                 playlist_index;
 289     libvlc_instance_t   *libvlc_instance;
 290     libvlc_media_list_t *libvlc_media_list;
 291     libvlc_media_player_t *libvlc_media_player;
 292     NPClass             *p_scriptClass;
 293
 294     /* browser reference */
 295     NPP     p_browser;
 296     char*   psz_baseURL;
 297
 298     /* display settings */
 299     NPWindow  npwindow;
 300 #if defined(XP_WIN)
 301     WNDPROC   pf_wndproc;
 302 #endif
 303 #if defined(XP_UNIX)
 304     unsigned int     i_width, i_height;
 305     unsigned int     i_tb_width, i_tb_height;
 306     Window           npvideo, npcontrol;
 307
 308     XImage *p_btnPlay;
 309     XImage *p_btnPause;
 310     XImage *p_btnStop;
 311     XImage *p_timeline;
 312     XImage *p_btnTime;
 313     XImage *p_btnFullscreen;
 314     XImage *p_btnMute;
 315     XImage *p_btnUnmute;
 316
 317     int i_last_position;
 318 #endif
 319
 320     static void eventAsync(void *);
 321     static void event_callback(const libvlc_event_t *, void *);
 322 };
 323
 324 /*******************************************************************************
 325  * Plugin properties.
 326  ******************************************************************************/
 327 #define PLUGIN_NAME         "VLC Multimedia Plug-in"
 328 #define PLUGIN_DESCRIPTION \
 329     "Version %s, copyright 1996-2007 The VideoLAN Team" \
 330     "<br><a href=\"http://www.videolan.org/\">http://www.videolan.org/</a>"
 331
 332 #define PLUGIN_MIMETYPES \
 333     /* MPEG-1 and MPEG-2 */ \
 334     "audio/mpeg:mp2,mp3,mpga,mpega:MPEG audio;" \
 335     "audio/x-mpeg:mp2,mp3,mpga,mpega:MPEG audio;" \
 336     "video/mpeg:mpg,mpeg,mpe:MPEG video;" \
 337     "video/x-mpeg:mpg,mpeg,mpe:MPEG video;" \
 338     "video/mpeg-system:mpg,mpeg,mpe,vob:MPEG video;" \
 339     "video/x-mpeg-system:mpg,mpeg,mpe,vob:MPEG video;" \
 340     /* M3U */ \
 341     "audio/x-mpegurl:m3u:MPEG audio;" \
 342     /* MPEG-4 */ \
 343     "video/mp4:mp4,mpg4:MPEG-4 video;" \
 344     "audio/mp4:mp4,mpg4:MPEG-4 audio;" \
 345     "audio/x-m4a:m4a:MPEG-4 audio;" \
 346     "application/mpeg4-iod:mp4,mpg4:MPEG-4 video;" \
 347     "application/mpeg4-muxcodetable:mp4,mpg4:MPEG-4 video;" \
 348     /* AVI */ \
 349     "video/x-msvideo:avi:AVI video;" \
 350     /* QuickTime */ \
 351     "video/quicktime:mov,qt:QuickTime video;" \
 352     /* OGG */ \
 353     "application/x-ogg:ogg:Ogg stream;" \
 354     "application/ogg:ogg:Ogg stream;" \
 355     /* VLC */ \
 356     "application/x-vlc-plugin:vlc:VLC plug-in;" \
 357     /* Windows Media */ \
 358     "video/x-ms-asf-plugin:asf,asx:Windows Media Video;" \
 359     "video/x-ms-asf:asf,asx:Windows Media Video;" \
 360     "application/x-mplayer2::Windows Media;" \
 361     "video/x-ms-wmv:wmv:Windows Media;" \
 362     "video/x-ms-wvx:wvx:Windows Media Video;" \
 363     "audio/x-ms-wma:wma:Windows Media Audio;" \
 364     /* Google VLC */ \
 365     "application/x-google-vlc-plugin::Google VLC plug-in;" \
 366     /* WAV audio */ \
 367     "audio/wav:wav:WAV audio;" \
 368     "audio/x-wav:wav:WAV audio;" \
 369     /* 3GPP */ \
 370     "audio/3gpp:3gp,3gpp:3GPP audio;" \
 371     "video/3gpp:3gp,3gpp:3GPP video;" \
 372     /* 3GPP2 */ \
 373     "audio/3gpp2:3g2,3gpp2:3GPP2 audio;" \
 374     "video/3gpp2:3g2,3gpp2:3GPP2 video;" \
 375     /* DIVX */ \
 376     "video/divx:divx:DivX video;" \
 377     /* FLV */ \
 378     "video/flv:flv:FLV video;" \
 379     "video/x-flv:flv:FLV video;" \
 380     /* Matroska */ \
 381     "video/x-matroska:mkv:Matroska video;" \
 382     "audio/x-matroska:mka:Matroska audio;" \
 383     /* XSPF */ \
 384     "application/xspf+xml:xspf:Playlist xspf;"
 385
 386 #endif