git.sesse.net Git - vlc/blob - modules/gui/skins2/src/vlcproc.hpp

   1 /*****************************************************************************
   2  * vlcproc.hpp
   3  *****************************************************************************
   4  * Copyright (C) 2003 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Cyril Deguet     <asmax@via.ecp.fr>
   8  *          Olivier Teulière <ipkiss@via.ecp.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 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 General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 #ifndef VLCPROC_HPP
  26 #define VLCPROC_HPP
  27
  28 #include <set>
  29
  30 #include <vlc_common.h>
  31 #include <vlc_input.h>
  32 #include <vlc_vout.h>
  33 #include "../vars/equalizer.hpp"
  34 #include "../vars/playtree.hpp"
  35 #include "../vars/time.hpp"
  36 #include "../vars/volume.hpp"
  37 #include "../utils/position.hpp"
  38 #include "../utils/var_text.hpp"
  39 #include "../commands/cmd_generic.hpp"
  40 #include "../controls/ctrl_video.hpp"
  41
  42 class OSTimer;
  43 class VarBool;
  44 struct aout_instance_t;
  45 struct vout_window_t;
  46
  47
  48 /// Singleton object handling VLC internal state and playlist
  49 class VlcProc: public SkinObject
  50 {
  51     public:
  52         /// Get the instance of VlcProc
  53         /// Returns NULL if the initialization of the object failed
  54         static VlcProc *instance( intf_thread_t *pIntf );
  55
  56         /// Delete the instance of VlcProc
  57         static void destroy( intf_thread_t *pIntf );
  58
  59         /// Getter for the playtree variable
  60         Playtree &getPlaytreeVar() { return *((Playtree*)m_cPlaytree.get()); }
  61
  62         /// Getter for the time variable
  63         StreamTime &getTimeVar() { return *((StreamTime*)(m_cVarTime.get())); }
  64
  65         /// Getter for the volume variable
  66         Volume &getVolumeVar() { return *((Volume*)(m_cVarVolume.get())); }
  67
  68         /// Getter for the stream name variable
  69         VarText &getStreamNameVar()
  70            { return *((VarText*)(m_cVarStreamName.get())); }
  71
  72         /// Getter for the stream URI variable
  73         VarText &getStreamURIVar()
  74             { return *((VarText*)(m_cVarStreamURI.get())); }
  75
  76         /// Getter for the stream bitrate variable
  77         VarText &getStreamBitRateVar()
  78             { return *((VarText*)(m_cVarStreamBitRate.get())); }
  79
  80         /// Getter for the stream sample rate variable
  81         VarText &getStreamSampleRateVar()
  82             { return *((VarText*)(m_cVarStreamSampleRate.get())); }
  83
  84         /// Getter for the vout size variable
  85         VarBox &getVoutSizeVar() { return m_varVoutSize; }
  86
  87         /// Indicate whether the embedded video output is currently used
  88         bool isVoutUsed() const { return m_pVout != NULL; }
  89
  90         void on_item_current_changed( vlc_object_t* p_obj, vlc_value_t newVal );
  91         void on_intf_event_changed( vlc_object_t* p_obj, vlc_value_t newVal );
  92         void on_bit_rate_changed( vlc_object_t* p_obj, vlc_value_t newVal );
  93         void on_sample_rate_changed( vlc_object_t* p_obj, vlc_value_t newVal );
  94         void on_can_record_changed( vlc_object_t* p_obj, vlc_value_t newVal );
  95
  96         void on_random_changed( vlc_object_t* p_obj, vlc_value_t newVal );
  97         void on_loop_changed( vlc_object_t* p_obj, vlc_value_t newVal );
  98         void on_repeat_changed( vlc_object_t* p_obj, vlc_value_t newVal );
  99
 100         void on_volume_changed( vlc_object_t* p_obj, vlc_value_t newVal );
 101         void on_audio_filter_changed( vlc_object_t* p_obj, vlc_value_t newVal );
 102
 103     protected:
 104         // Protected because it is a singleton
 105         VlcProc( intf_thread_t *pIntf );
 106         virtual ~VlcProc();
 107
 108     private:
 109         /// Timer to call manage() regularly (via doManage())
 110         OSTimer *m_pTimer;
 111         /// Playtree variable
 112         VariablePtr m_cPlaytree;
 113         VariablePtr m_cVarRandom;
 114         VariablePtr m_cVarLoop;
 115         VariablePtr m_cVarRepeat;
 116         /// Variable for current position of the stream
 117         VariablePtr m_cVarTime;
 118         /// Variable for audio volume
 119         VariablePtr m_cVarVolume;
 120         /// Variable for current stream properties
 121         VariablePtr m_cVarStreamName;
 122         VariablePtr m_cVarStreamURI;
 123         VariablePtr m_cVarStreamBitRate;
 124         VariablePtr m_cVarStreamSampleRate;
 125         /// Variable for the "mute" state
 126         VariablePtr m_cVarMute;
 127         /// Variables related to the input
 128         VariablePtr m_cVarPlaying;
 129         VariablePtr m_cVarStopped;
 130         VariablePtr m_cVarPaused;
 131         VariablePtr m_cVarSeekable;
 132         VariablePtr m_cVarRecordable;
 133         VariablePtr m_cVarRecording;
 134         /// Variables related to the vout
 135         VariablePtr m_cVarFullscreen;
 136         VarBox m_varVoutSize;
 137         VariablePtr m_cVarHasVout;
 138         /// Variables related to audio
 139         VariablePtr m_cVarHasAudio;
 140         /// Equalizer variables
 141         EqualizerBands m_varEqBands;
 142         VariablePtr m_cVarEqPreamp;
 143         VariablePtr m_cVarEqualizer;
 144         /// Variable for DVD detection
 145         VariablePtr m_cVarDvdActive;
 146
 147         /// Vout thread
 148         vout_thread_t *m_pVout;
 149         /// Audio output
 150         aout_instance_t *m_pAout;
 151
 152         /**
 153          * Poll VLC internals to update the status (volume, current time in
 154          * the stream, current filename, play/pause/stop status, ...)
 155          * This function should be called regurlarly, since there is no
 156          * callback mechanism (yet?) to automatically update a variable when
 157          * the internal status changes
 158          */
 159         void manage();
 160
 161         // reset variables when input is over
 162         void reset_input();
 163
 164         // init variables (libvlc and playlist levels)
 165         void init_variables();
 166
 167         /// Define the command that calls manage()
 168         DEFINE_CALLBACK( VlcProc, Manage );
 169
 170         /// Update the stream name variable
 171         void updateStreamName();
 172
 173         /// Callback for intf-change variable
 174         static int onIntfChange( vlc_object_t *pObj, const char *pVariable,
 175                                  vlc_value_t oldVal, vlc_value_t newVal,
 176                                  void *pParam );
 177
 178         /// Callback for intf-show variable
 179         static int onIntfShow( vlc_object_t *pObj, const char *pVariable,
 180                                vlc_value_t oldVal, vlc_value_t newVal,
 181                                void *pParam );
 182
 183         /// Callback for input-current variable
 184         static int onInputNew( vlc_object_t *pObj, const char *pVariable,
 185                                vlc_value_t oldVal, vlc_value_t newVal,
 186                                void *pParam );
 187
 188         /// Callback for item-change variable
 189         static int onItemChange( vlc_object_t *pObj, const char *pVariable,
 190                                  vlc_value_t oldVal, vlc_value_t newVal,
 191                                  void *pParam );
 192
 193         /// Callback for item-change variable
 194         static int onItemAppend( vlc_object_t *pObj, const char *pVariable,
 195                                  vlc_value_t oldVal, vlc_value_t newVal,
 196                                  void *pParam );
 197
 198         /// Callback for item-change variable
 199         static int onItemDelete( vlc_object_t *pObj, const char *pVariable,
 200                                  vlc_value_t oldVal, vlc_value_t newVal,
 201                                  void *pParam );
 202
 203         /// Callback for skins2-to-load variable
 204         static int onSkinToLoad( vlc_object_t *pObj, const char *pVariable,
 205                                  vlc_value_t oldVal, vlc_value_t newVal,
 206                                  void *pParam );
 207
 208         /// Callback for interaction variable
 209         static int onInteraction( vlc_object_t *pObj, const char *pVariable,
 210                                   vlc_value_t oldVal, vlc_value_t newVal,
 211                                   void *pParam );
 212
 213         /// Callback for equalizer-bands variable
 214         static int onEqBandsChange( vlc_object_t *pObj, const char *pVariable,
 215                                     vlc_value_t oldVal, vlc_value_t newVal,
 216                                     void *pParam );
 217
 218         /// Callback for equalizer-preamp variable
 219         static int onEqPreampChange( vlc_object_t *pObj, const char *pVariable,
 220                                      vlc_value_t oldVal, vlc_value_t newVal,
 221                                      void *pParam );
 222
 223         /// Generic Callback
 224         static int onGenericCallback( vlc_object_t *pObj, const char *pVariable,
 225                                       vlc_value_t oldVal, vlc_value_t newVal,
 226                                       void *pParam );
 227
 228 };
 229
 230
 231 #endif