git.sesse.net Git - vlc/blob - 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 <npapi.h>
  34 #include <vector>
  35
  36 #include "control/nporuntime.h"
  37
  38 #if !defined(XP_MACOSX) && !defined(XP_UNIX) && !defined(XP_WIN)
  39 #define XP_UNIX 1
  40 #elif defined(XP_MACOSX)
  41 #undef XP_UNIX
  42 #endif
  43
  44 #ifdef XP_WIN
  45     /* Windows stuff */
  46 #   include <winbase.h>
  47 #endif
  48
  49 #ifdef XP_MACOSX
  50     /* Mac OS X stuff */
  51 #   include <Quickdraw.h>
  52 #endif
  53
  54 #ifdef XP_UNIX
  55 #   include <pthread.h>
  56     /* X11 stuff */
  57 #   include <X11/Xlib.h>
  58 #   include <X11/Intrinsic.h>
  59 #   include <X11/StringDefs.h>
  60 #   include <X11/X.h>
  61
  62 #   ifndef __APPLE__
  63 #       include <X11/xpm.h>
  64 #   endif
  65 #endif
  66
  67 #ifndef __MAX
  68 #   define __MAX(a, b)   ( ((a) > (b)) ? (a) : (b) )
  69 #endif
  70 #ifndef __MIN
  71 #   define __MIN(a, b)   ( ((a) < (b)) ? (a) : (b) )
  72 #endif
  73
  74 typedef struct {
  75 #if defined(XP_UNIX)
  76     pthread_mutex_t mutex;
  77 #elif defined(XP_WIN)
  78     CRITICAL_SECTION cs;
  79 #else
  80 #warning "locking not implemented in this platform"
  81 #endif
  82 } plugin_lock_t;
  83
  84
  85 typedef enum vlc_toolbar_clicked_e {
  86     clicked_Unknown = 0,
  87     clicked_Play,
  88     clicked_Pause,
  89     clicked_Stop,
  90     clicked_timeline,
  91     clicked_Time,
  92     clicked_Fullscreen,
  93     clicked_Mute,
  94     clicked_Unmute
  95 } vlc_toolbar_clicked_t;
  96
  97
  98 // Note that the accessor functions are unsafe, but this is handled in
  99 // the next layer up. 64bit uints can be substituted to taste (shift=6).
 100 template<size_t M> class bitmap
 101 {
 102 private:
 103     typedef uint32_t bitu_t; enum { shift=5 };
 104     enum { bmax=M, bpu=1<<shift, mask=bpu-1, units=(bmax+bpu-1)/bpu };
 105     bitu_t bits[units];
 106 public:
 107     bool get(size_t idx) const { return bits[idx>>shift]&(1<<(idx&mask)); }
 108     void set(size_t idx)       { bits[idx>>shift]|=  1<<(idx&mask);  }
 109     void reset(size_t idx)     { bits[idx>>shift]&=~(1<<(idx&mask)); }
 110     void toggle(size_t idx)    { bits[idx>>shift]^=  1<<(idx&mask);  }
 111     size_t maxbit() const      { return bmax; }
 112     void clear()               { memset(bits,0,sizeof(bits)); }
 113     bitmap() { clear(); }
 114     ~bitmap() { }
 115     bool empty() const { // naive invert() will break this
 116         for(size_t i=0;i<units;++i)
 117             if(bits[i]) return false;
 118         return true;
 119     }
 120 };
 121
 122 typedef bitmap<libvlc_VlmMediaInstanceStatusError+1> eventtypes_bitmap_t;
 123
 124
 125 class EventObj: private eventtypes_bitmap_t
 126 {
 127 private:
 128     typedef libvlc_event_type_t event_t;
 129     bool have_event(event_t e) const { return e<maxbit()?get(e):false; }
 130
 131     class Listener: public eventtypes_bitmap_t
 132     {
 133     public:
 134         Listener(event_t e,NPObject *o,bool b): _l(o), _b(b)
 135             { NPN_RetainObject(o); set(e); }
 136         Listener(): _l(NULL), _b(false) { }
 137         ~Listener() { if(_l) NPN_ReleaseObject(_l); }
 138         NPObject *listener() const { return _l; }
 139         bool bubble() const { return _b; }
 140     private:
 141         NPObject *_l;
 142         bool _b;
 143     };
 144
 145     libvlc_event_manager_t *_em;
 146     libvlc_callback_t _cb;
 147     void *_ud;
 148 public:
 149     EventObj(): _em(NULL)  { /* deferred to init() */ }
 150     bool init();
 151     ~EventObj();
 152
 153     void deliver(NPP browser);
 154     void callback(const libvlc_event_t*);
 155     bool insert(const NPString &, NPObject *, bool);
 156     bool remove(const NPString &, NPObject *, bool);
 157     void unhook_manager();
 158     void hook_manager(libvlc_event_manager_t *,libvlc_callback_t, void *);
 159 private:
 160     event_t find_event(const char *s) const;
 161     typedef std::vector<Listener> lr_l;
 162     typedef std::vector<libvlc_event_type_t> ev_l;
 163     lr_l _llist;
 164     ev_l _elist;
 165
 166     plugin_lock_t lock;
 167
 168     bool ask_for_event(event_t e);
 169     void unask_for_event(event_t e);
 170 };
 171
 172
 173 class VlcPlugin
 174 {
 175 public:
 176 #if (((NP_VERSION_MAJOR << 8) + NP_VERSION_MINOR) < 20)
 177              VlcPlugin( NPP, uint16 );
 178 #else
 179              VlcPlugin( NPP, uint16_t );
 180 #endif
 181     virtual ~VlcPlugin();
 182
 183     NPError             init(int argc, char* const argn[], char* const argv[]);
 184     libvlc_instance_t*  getVLC()
 185                             { return libvlc_instance; };
 186     libvlc_media_player_t* getMD()
 187     {
 188         if( !libvlc_media_player )
 189         {
 190              libvlc_printerr("no mediaplayer");
 191         }
 192         return libvlc_media_player;
 193     }
 194     NPP                 getBrowser()
 195                             { return p_browser; };
 196     char*               getAbsoluteURL(const char *url);
 197     NPWindow&           getWindow()
 198                             { return npwindow; };
 199     void                setWindow(const NPWindow &window)
 200                             { npwindow = window; };
 201
 202     NPClass*            getScriptClass()
 203                             { return p_scriptClass; };
 204
 205 #if defined(XP_WIN)
 206     WNDPROC             getWindowProc()
 207                             { return pf_wndproc; };
 208     void                setWindowProc(WNDPROC wndproc)
 209                             { pf_wndproc = wndproc; };
 210 #endif
 211
 212 #if defined(XP_UNIX)
 213     int                 setSize(unsigned width, unsigned height);
 214     Window              getVideoWindow()
 215                             { return npvideo; };
 216     void                setVideoWindow(Window window)
 217                             { npvideo = window; };
 218     Window              getControlWindow()
 219                             { return npcontrol; };
 220     void                setControlWindow(Window window)
 221                             { npcontrol = window; };
 222
 223     void                showToolbar();
 224     void                hideToolbar();
 225     void                redrawToolbar();
 226     void                getToolbarSize(unsigned int *width, unsigned int *height)
 227                             { *width = i_tb_width; *height = i_tb_height; };
 228     int                 setToolbarSize(unsigned int width, unsigned int height)
 229                             { i_tb_width = width; i_tb_height = height; return 1; };
 230     vlc_toolbar_clicked_t getToolbarButtonClicked( int i_xpos, int i_ypos );
 231 #endif
 232
 233 #if (((NP_VERSION_MAJOR << 8) + NP_VERSION_MINOR) < 20)
 234     uint16    i_npmode; /* either NP_EMBED or NP_FULL */
 235 #else
 236     uint16_t  i_npmode; /* either NP_EMBED or NP_FULL */
 237 #endif
 238
 239     /* plugin properties */
 240     int      b_stream;
 241     int      b_autoplay;
 242     int      b_toolbar;
 243     char *   psz_text;
 244     char *   psz_target;
 245
 246     void playlist_play()
 247     {
 248         if( playlist_isplaying() )
 249             playlist_stop();
 250         if( libvlc_media_player||playlist_select(0) )
 251             libvlc_media_player_play(libvlc_media_player);
 252     }
 253     void playlist_play_item(int idx)
 254     {
 255         if( playlist_select(idx) )
 256             libvlc_media_player_play(libvlc_media_player);
 257     }
 258     void playlist_stop()
 259     {
 260         if( libvlc_media_player )
 261             libvlc_media_player_stop(libvlc_media_player);
 262     }
 263     void playlist_next()
 264     {
 265         if( playlist_select(playlist_index+1) )
 266             libvlc_media_player_play(libvlc_media_player);
 267     }
 268     void playlist_prev()
 269     {
 270         if( playlist_select(playlist_index-1) )
 271             libvlc_media_player_play(libvlc_media_player);
 272     }
 273     void playlist_pause()
 274     {
 275         if( libvlc_media_player )
 276             libvlc_media_player_pause(libvlc_media_player);
 277     }
 278     int playlist_isplaying()
 279     {
 280         int is_playing = 0;
 281         if( libvlc_media_player )
 282             is_playing = libvlc_media_player_is_playing(
 283                                 libvlc_media_player );
 284         return is_playing;
 285     }
 286
 287     int playlist_add( const char * );
 288     int playlist_add_extended_untrusted( const char *, const char *, int,
 289                                 const char ** );
 290     int playlist_delete_item( int );
 291     void playlist_clear();
 292     int  playlist_count();
 293
 294     void toggle_fullscreen();
 295     void set_fullscreen( int );
 296     int  get_fullscreen();
 297
 298     bool  player_has_vout();
 299
 300
 301     static bool canUseEventListener();
 302
 303     EventObj events;
 304 private:
 305     bool playlist_select(int);
 306     void set_player_window();
 307
 308     /* VLC reference */
 309     int                 playlist_index;
 310     libvlc_instance_t   *libvlc_instance;
 311     libvlc_media_list_t *libvlc_media_list;
 312     libvlc_media_player_t *libvlc_media_player;
 313     NPClass             *p_scriptClass;
 314
 315     /* browser reference */
 316     NPP     p_browser;
 317     char*   psz_baseURL;
 318
 319     /* display settings */
 320     NPWindow  npwindow;
 321 #if defined(XP_WIN)
 322     WNDPROC   pf_wndproc;
 323 #endif
 324 #if defined(XP_UNIX)
 325     unsigned int     i_width, i_height;
 326     unsigned int     i_tb_width, i_tb_height;
 327     Window           npvideo, npcontrol;
 328
 329     XImage *p_btnPlay;
 330     XImage *p_btnPause;
 331     XImage *p_btnStop;
 332     XImage *p_timeline;
 333     XImage *p_btnTime;
 334     XImage *p_btnFullscreen;
 335     XImage *p_btnMute;
 336     XImage *p_btnUnmute;
 337
 338     int i_last_position;
 339 #endif
 340
 341     static void eventAsync(void *);
 342     static void event_callback(const libvlc_event_t *, void *);
 343 };
 344
 345 /*******************************************************************************
 346  * Plugin properties.
 347  ******************************************************************************/
 348 #define PLUGIN_NAME         "VLC Multimedia Plug-in"
 349 #define PLUGIN_DESCRIPTION \
 350     "Version %s, copyright 1996-2007 The VideoLAN Team" \
 351     "<br><a href=\"http://www.videolan.org/\">http://www.videolan.org/</a>"
 352
 353 #define PLUGIN_MIMETYPES \
 354     /* MPEG-1 and MPEG-2 */ \
 355     "audio/mpeg:mp2,mp3,mpga,mpega:MPEG audio;" \
 356     "audio/x-mpeg:mp2,mp3,mpga,mpega:MPEG audio;" \
 357     "video/mpeg:mpg,mpeg,mpe:MPEG video;" \
 358     "video/x-mpeg:mpg,mpeg,mpe:MPEG video;" \
 359     "video/mpeg-system:mpg,mpeg,mpe,vob:MPEG video;" \
 360     "video/x-mpeg-system:mpg,mpeg,mpe,vob:MPEG video;" \
 361     /* M3U */ \
 362     "audio/x-mpegurl:m3u:MPEG audio;" \
 363     /* MPEG-4 */ \
 364     "video/mp4:mp4,mpg4:MPEG-4 video;" \
 365     "audio/mp4:mp4,mpg4:MPEG-4 audio;" \
 366     "audio/x-m4a:m4a:MPEG-4 audio;" \
 367     "application/mpeg4-iod:mp4,mpg4:MPEG-4 video;" \
 368     "application/mpeg4-muxcodetable:mp4,mpg4:MPEG-4 video;" \
 369     /* AVI */ \
 370     "video/x-msvideo:avi:AVI video;" \
 371     /* QuickTime */ \
 372     "video/quicktime:mov,qt:QuickTime video;" \
 373     /* OGG */ \
 374     "application/x-ogg:ogg:Ogg stream;" \
 375     "application/ogg:ogg:Ogg stream;" \
 376     /* VLC */ \
 377     "application/x-vlc-plugin:vlc:VLC plug-in;" \
 378     /* Windows Media */ \
 379     "video/x-ms-asf-plugin:asf,asx:Windows Media Video;" \
 380     "video/x-ms-asf:asf,asx:Windows Media Video;" \
 381     "application/x-mplayer2::Windows Media;" \
 382     "video/x-ms-wmv:wmv:Windows Media;" \
 383     "video/x-ms-wvx:wvx:Windows Media Video;" \
 384     "audio/x-ms-wma:wma:Windows Media Audio;" \
 385     /* Google VLC */ \
 386     "application/x-google-vlc-plugin::Google VLC plug-in;" \
 387     /* WAV audio */ \
 388     "audio/wav:wav:WAV audio;" \
 389     "audio/x-wav:wav:WAV audio;" \
 390     /* 3GPP */ \
 391     "audio/3gpp:3gp,3gpp:3GPP audio;" \
 392     "video/3gpp:3gp,3gpp:3GPP video;" \
 393     /* 3GPP2 */ \
 394     "audio/3gpp2:3g2,3gpp2:3GPP2 audio;" \
 395     "video/3gpp2:3g2,3gpp2:3GPP2 video;" \
 396     /* DIVX */ \
 397     "video/divx:divx:DivX video;" \
 398     /* FLV */ \
 399     "video/flv:flv:FLV video;" \
 400     "video/x-flv:flv:FLV video;" \
 401     /* Matroska */ \
 402     "video/x-matroska:mkv:Matroska video;" \
 403     "audio/x-matroska:mka:Matroska audio;" \
 404     /* XSPF */ \
 405     "application/xspf+xml:xspf:Playlist xspf;"
 406
 407 #endif