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
  34 // Setup XP_MACOSX, XP_UNIX, XP_WIN
  35 #if defined(_WIN32)
  36 #define XP_WIN 1
  37 #elif defined(__APPLE__)
  38 #define XP_MACOSX 1
  39 #else
  40 #define XP_UNIX 1
  41 #define MOZ_X11 1
  42 #endif
  43
  44 #if !defined(XP_MACOSX) && !defined(XP_UNIX) && !defined(XP_WIN)
  45 #define XP_UNIX 1
  46 #elif defined(XP_MACOSX)
  47 #undef XP_UNIX
  48 #endif
  49
  50 #ifdef XP_WIN
  51     /* Windows stuff */
  52 #   include <windows.h>
  53 #   include <winbase.h>
  54 #endif
  55
  56 #ifdef XP_MACOSX
  57     /* Mac OS X stuff */
  58 #   include <Quickdraw.h>
  59 #endif
  60
  61 #ifdef XP_UNIX
  62 #   include <pthread.h>
  63     /* X11 stuff */
  64 #   include <X11/Xlib.h>
  65 #   include <X11/Intrinsic.h>
  66 #   include <X11/StringDefs.h>
  67 #   include <X11/X.h>
  68
  69 #   ifndef __APPLE__
  70 #       include <X11/xpm.h>
  71 #   endif
  72 #endif
  73
  74 #ifndef __MAX
  75 #   define __MAX(a, b)   ( ((a) > (b)) ? (a) : (b) )
  76 #endif
  77 #ifndef __MIN
  78 #   define __MIN(a, b)   ( ((a) < (b)) ? (a) : (b) )
  79 #endif
  80
  81 #include <npapi.h>
  82 #include <vector>
  83
  84 #include "control/nporuntime.h"
  85
  86
  87 typedef struct {
  88 #if defined(XP_UNIX)
  89     pthread_mutex_t mutex;
  90 #elif defined(XP_WIN)
  91     CRITICAL_SECTION cs;
  92 #else
  93 #warning "locking not implemented in this platform"
  94 #endif
  95 } plugin_lock_t;
  96
  97
  98 typedef enum vlc_toolbar_clicked_e {
  99     clicked_Unknown = 0,
 100     clicked_Play,
 101     clicked_Pause,
 102     clicked_Stop,
 103     clicked_timeline,
 104     clicked_Time,
 105     clicked_Fullscreen,
 106     clicked_Mute,
 107     clicked_Unmute
 108 } vlc_toolbar_clicked_t;
 109
 110
 111 // Note that the accessor functions are unsafe, but this is handled in
 112 // the next layer up. 64bit uints can be substituted to taste (shift=6).
 113 template<size_t M> class bitmap
 114 {
 115 private:
 116     typedef uint32_t bitu_t; enum { shift=5 };
 117     enum { bmax=M, bpu=1<<shift, mask=bpu-1, units=(bmax+bpu-1)/bpu };
 118     bitu_t bits[units];
 119 public:
 120     bool get(size_t idx) const { return bits[idx>>shift]&(1<<(idx&mask)); }
 121     void set(size_t idx)       { bits[idx>>shift]|=  1<<(idx&mask);  }
 122     void reset(size_t idx)     { bits[idx>>shift]&=~(1<<(idx&mask)); }
 123     void toggle(size_t idx)    { bits[idx>>shift]^=  1<<(idx&mask);  }
 124     size_t maxbit() const      { return bmax; }
 125     void clear()               { memset(bits,0,sizeof(bits)); }
 126     bitmap() { clear(); }
 127     ~bitmap() { }
 128     bool empty() const { // naive invert() will break this
 129         for(size_t i=0;i<units;++i)
 130             if(bits[i]) return false;
 131         return true;
 132     }
 133 };
 134
 135 typedef bitmap<libvlc_VlmMediaInstanceStatusError+1> eventtypes_bitmap_t;
 136
 137
 138 class EventObj: private eventtypes_bitmap_t
 139 {
 140 private:
 141     typedef libvlc_event_type_t event_t;
 142     bool have_event(event_t e) const { return e<maxbit()?get(e):false; }
 143
 144     class Listener: public eventtypes_bitmap_t
 145     {
 146     public:
 147         Listener(event_t e,NPObject *o,bool b): _l(o), _b(b)
 148             { NPN_RetainObject(o); set(e); }
 149         Listener(): _l(NULL), _b(false) { }
 150         ~Listener() { if(_l) NPN_ReleaseObject(_l); }
 151         NPObject *listener() const { return _l; }
 152         bool bubble() const { return _b; }
 153     private:
 154         NPObject *_l;
 155         bool _b;
 156     };
 157
 158     libvlc_event_manager_t *_em;
 159     libvlc_callback_t _cb;
 160     void *_ud;
 161 public:
 162     EventObj(): _em(NULL)  { /* deferred to init() */ }
 163     bool init();
 164     ~EventObj();
 165
 166     void deliver(NPP browser);
 167     void callback(const libvlc_event_t*);
 168     bool insert(const NPString &, NPObject *, bool);
 169     bool remove(const NPString &, NPObject *, bool);
 170     void unhook_manager();
 171     void hook_manager(libvlc_event_manager_t *,libvlc_callback_t, void *);
 172 private:
 173     event_t find_event(const char *s) const;
 174     typedef std::vector<Listener> lr_l;
 175     typedef std::vector<libvlc_event_type_t> ev_l;
 176     lr_l _llist;
 177     ev_l _elist;
 178
 179     plugin_lock_t lock;
 180
 181     bool ask_for_event(event_t e);
 182     void unask_for_event(event_t e);
 183 };
 184
 185
 186 class VlcPlugin
 187 {
 188 public:
 189 #if (((NP_VERSION_MAJOR << 8) + NP_VERSION_MINOR) < 20)
 190              VlcPlugin( NPP, uint16 );
 191 #else
 192              VlcPlugin( NPP, uint16_t );
 193 #endif
 194     virtual ~VlcPlugin();
 195
 196     NPError             init(int argc, char* const argn[], char* const argv[]);
 197     libvlc_instance_t*  getVLC()
 198                             { return libvlc_instance; };
 199     libvlc_media_player_t* getMD()
 200     {
 201         if( !libvlc_media_player )
 202         {
 203              libvlc_printerr("no mediaplayer");
 204         }
 205         return libvlc_media_player;
 206     }
 207     NPP                 getBrowser()
 208                             { return p_browser; };
 209     char*               getAbsoluteURL(const char *url);
 210     NPWindow&           getWindow()
 211                             { return npwindow; };
 212     void                setWindow(const NPWindow &window)
 213                             { npwindow = window; };
 214
 215     NPClass*            getScriptClass()
 216                             { return p_scriptClass; };
 217
 218 #if defined(XP_WIN)
 219     WNDPROC             getWindowProc()
 220                             { return pf_wndproc; };
 221     void                setWindowProc(WNDPROC wndproc)
 222                             { pf_wndproc = wndproc; };
 223 #endif
 224
 225 #if defined(XP_UNIX)
 226     int                 setSize(unsigned width, unsigned height);
 227     Window              getVideoWindow()
 228                             { return npvideo; };
 229     void                setVideoWindow(Window window)
 230                             { npvideo = window; };
 231     Window              getControlWindow()
 232                             { return npcontrol; };
 233     void                setControlWindow(Window window)
 234                             { npcontrol = window; };
 235
 236     void                showToolbar();
 237     void                hideToolbar();
 238     void                redrawToolbar();
 239     void                getToolbarSize(unsigned int *width, unsigned int *height)
 240                             { *width = i_tb_width; *height = i_tb_height; };
 241     int                 setToolbarSize(unsigned int width, unsigned int height)
 242                             { i_tb_width = width; i_tb_height = height; return 1; };
 243     vlc_toolbar_clicked_t getToolbarButtonClicked( int i_xpos, int i_ypos );
 244 #endif
 245
 246 #if (((NP_VERSION_MAJOR << 8) + NP_VERSION_MINOR) < 20)
 247     uint16    i_npmode; /* either NP_EMBED or NP_FULL */
 248 #else
 249     uint16_t  i_npmode; /* either NP_EMBED or NP_FULL */
 250 #endif
 251
 252     /* plugin properties */
 253     int      b_stream;
 254     int      b_autoplay;
 255     int      b_toolbar;
 256     char *   psz_text;
 257     char *   psz_target;
 258
 259     void playlist_play()
 260     {
 261         if( playlist_isplaying() )
 262             playlist_stop();
 263         if( libvlc_media_player||playlist_select(0) )
 264             libvlc_media_player_play(libvlc_media_player);
 265     }
 266     void playlist_play_item(int idx)
 267     {
 268         if( playlist_select(idx) )
 269             libvlc_media_player_play(libvlc_media_player);
 270     }
 271     void playlist_stop()
 272     {
 273         if( libvlc_media_player )
 274             libvlc_media_player_stop(libvlc_media_player);
 275     }
 276     void playlist_next()
 277     {
 278         if( playlist_select(playlist_index+1) )
 279             libvlc_media_player_play(libvlc_media_player);
 280     }
 281     void playlist_prev()
 282     {
 283         if( playlist_select(playlist_index-1) )
 284             libvlc_media_player_play(libvlc_media_player);
 285     }
 286     void playlist_pause()
 287     {
 288         if( libvlc_media_player )
 289             libvlc_media_player_pause(libvlc_media_player);
 290     }
 291     int playlist_isplaying()
 292     {
 293         int is_playing = 0;
 294         if( libvlc_media_player )
 295             is_playing = libvlc_media_player_is_playing(
 296                                 libvlc_media_player );
 297         return is_playing;
 298     }
 299
 300     int playlist_add( const char * );
 301     int playlist_add_extended_untrusted( const char *, const char *, int,
 302                                 const char ** );
 303     int playlist_delete_item( int );
 304     void playlist_clear();
 305     int  playlist_count();
 306
 307     void toggle_fullscreen();
 308     void set_fullscreen( int );
 309     int  get_fullscreen();
 310
 311     bool  player_has_vout();
 312
 313
 314     static bool canUseEventListener();
 315
 316     EventObj events;
 317 private:
 318     bool playlist_select(int);
 319     void set_player_window();
 320
 321     /* VLC reference */
 322     int                 playlist_index;
 323     libvlc_instance_t   *libvlc_instance;
 324     libvlc_media_list_t *libvlc_media_list;
 325     libvlc_media_player_t *libvlc_media_player;
 326     NPClass             *p_scriptClass;
 327
 328     /* browser reference */
 329     NPP     p_browser;
 330     char*   psz_baseURL;
 331
 332     /* display settings */
 333     NPWindow  npwindow;
 334 #if defined(XP_WIN)
 335     WNDPROC   pf_wndproc;
 336 #endif
 337 #if defined(XP_UNIX)
 338     unsigned int     i_width, i_height;
 339     unsigned int     i_tb_width, i_tb_height;
 340     Window           npvideo, npcontrol;
 341
 342     XImage *p_btnPlay;
 343     XImage *p_btnPause;
 344     XImage *p_btnStop;
 345     XImage *p_timeline;
 346     XImage *p_btnTime;
 347     XImage *p_btnFullscreen;
 348     XImage *p_btnMute;
 349     XImage *p_btnUnmute;
 350
 351     int i_last_position;
 352 #endif
 353
 354     static void eventAsync(void *);
 355     static void event_callback(const libvlc_event_t *, void *);
 356 };
 357
 358 /*******************************************************************************
 359  * Plugin properties.
 360  ******************************************************************************/
 361 #define PLUGIN_NAME         "VLC Web Plugin"
 362 #define PLUGIN_DESCRIPTION \
 363     "Version %s, copyright 1996-2010 VideoLAN and Authors" \
 364     "<br><a href=\"http://www.videolan.org/\">http://www.videolan.org/</a>"
 365
 366 #define PLUGIN_MIMETYPES \
 367     /* MPEG-1 and MPEG-2 */ \
 368     "audio/mpeg:mp2,mp3,mpga,mpega:MPEG audio;" \
 369     "audio/x-mpeg:mp2,mp3,mpga,mpega:MPEG audio;" \
 370     "video/mpeg:mpg,mpeg,mpe:MPEG video;" \
 371     "video/x-mpeg:mpg,mpeg,mpe:MPEG video;" \
 372     "video/mpeg-system:mpg,mpeg,mpe,vob:MPEG video;" \
 373     "video/x-mpeg-system:mpg,mpeg,mpe,vob:MPEG video;" \
 374     /* M3U */ \
 375     "audio/x-mpegurl:m3u:MPEG audio;" \
 376     /* MPEG-4 */ \
 377     "video/mp4:mp4,mpg4:MPEG-4 video;" \
 378     "audio/mp4:mp4,mpg4:MPEG-4 audio;" \
 379     "audio/x-m4a:m4a:MPEG-4 audio;" \
 380     "application/mpeg4-iod:mp4,mpg4:MPEG-4 video;" \
 381     "application/mpeg4-muxcodetable:mp4,mpg4:MPEG-4 video;" \
 382     /* AVI */ \
 383     "video/x-msvideo:avi:AVI video;" \
 384     /* QuickTime */ \
 385     "video/quicktime:mov,qt:QuickTime video;" \
 386     /* OGG */ \
 387     "application/x-ogg:ogg:Ogg stream;" \
 388     "application/ogg:ogg:Ogg stream;" \
 389     /* VLC */ \
 390     "application/x-vlc-plugin:vlc:VLC plug-in;" \
 391     /* Windows Media */ \
 392     "video/x-ms-asf-plugin:asf,asx:Windows Media Video;" \
 393     "video/x-ms-asf:asf,asx:Windows Media Video;" \
 394     "application/x-mplayer2::Windows Media;" \
 395     "video/x-ms-wmv:wmv:Windows Media;" \
 396     "video/x-ms-wvx:wvx:Windows Media Video;" \
 397     "audio/x-ms-wma:wma:Windows Media Audio;" \
 398     /* Google VLC */ \
 399     "application/x-google-vlc-plugin::Google VLC plug-in;" \
 400     /* WAV audio */ \
 401     "audio/wav:wav:WAV audio;" \
 402     "audio/x-wav:wav:WAV audio;" \
 403     /* 3GPP */ \
 404     "audio/3gpp:3gp,3gpp:3GPP audio;" \
 405     "video/3gpp:3gp,3gpp:3GPP video;" \
 406     /* 3GPP2 */ \
 407     "audio/3gpp2:3g2,3gpp2:3GPP2 audio;" \
 408     "video/3gpp2:3g2,3gpp2:3GPP2 video;" \
 409     /* DIVX */ \
 410     "video/divx:divx:DivX video;" \
 411     /* FLV */ \
 412     "video/flv:flv:FLV video;" \
 413     "video/x-flv:flv:FLV video;" \
 414     /* Matroska */ \
 415     "video/x-matroska:mkv:Matroska video;" \
 416     "audio/x-matroska:mka:Matroska audio;" \
 417     /* XSPF */ \
 418     "application/xspf+xml:xspf:Playlist xspf;" \
 419     /* Webm */ \
 420     "video/webm:webm:WebM video;" \
 421     "audio/webm:webm:WebM audio;" \
 422     /* Real Media */ \
 423     "application/vnd.rn-realmedia:rm:Real Media File;" \
 424     "audio/x-realaudio:ra:Real Media Audio;"
 425
 426 #endif