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 along
  21  * with this program; if not, write to the Free Software Foundation, Inc.,
  22  * 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 "../utils/var_string.hpp"
  40 #include "../commands/cmd_generic.hpp"
  41 #include "../controls/ctrl_video.hpp"
  42
  43 class OSTimer;
  44 class VarBool;
  45 struct aout_instance_t;
  46 struct vout_window_t;
  47
  48
  49 /// Singleton object handling VLC internal state and playlist
  50 class VlcProc: public SkinObject
  51 {
  52 public:
  53     /// Get the instance of VlcProc
  54     /// Returns NULL if the initialization of the object failed
  55     static VlcProc *instance( intf_thread_t *pIntf );
  56
  57     /// Delete the instance of VlcProc
  58     static void destroy( intf_thread_t *pIntf );
  59
  60     /// Getter for the playtree variable
  61     Playtree &getPlaytreeVar() { return *((Playtree*)m_cPlaytree.get()); }
  62
  63     /// Getter for the time variable
  64     StreamTime &getTimeVar() { return *((StreamTime*)(m_cVarTime.get())); }
  65
  66     /// Getter for the volume variable
  67     Volume &getVolumeVar() { return *((Volume*)(m_cVarVolume.get())); }
  68
  69     /// Getter for the stream name variable
  70     VarText &getStreamNameVar()
  71        { return *((VarText*)(m_cVarStreamName.get())); }
  72
  73     /// Getter for the stream URI variable
  74     VarText &getStreamURIVar()
  75         { return *((VarText*)(m_cVarStreamURI.get())); }
  76
  77     /// Getter for the stream bitrate variable
  78     VarText &getStreamBitRateVar()
  79         { return *((VarText*)(m_cVarStreamBitRate.get())); }
  80
  81     /// Getter for the stream sample rate variable
  82     VarText &getStreamSampleRateVar()
  83         { return *((VarText*)(m_cVarStreamSampleRate.get())); }
  84
  85     /// Getter for the stream Art url variable
  86     VarString &getStreamArtVar()
  87        { return *((VarString*)(m_cVarStreamArt.get())); }
  88
  89     /// Getter/Setter for the fullscreen variable
  90     VarBool &getFullscreenVar() { return *((VarBool*)(m_cVarFullscreen.get())); }
  91     void setFullscreenVar( bool );
  92
  93     /// Indicate whether the embedded video output is currently used
  94     bool isVoutUsed() const { return m_pVout != NULL; }
  95
  96     /// update equalizer
  97     void update_equalizer( );
  98
  99     void on_item_current_changed( vlc_object_t* p_obj, vlc_value_t newVal );
 100     void on_intf_event_changed( vlc_object_t* p_obj, vlc_value_t newVal );
 101     void on_bit_rate_changed( vlc_object_t* p_obj, vlc_value_t newVal );
 102     void on_sample_rate_changed( vlc_object_t* p_obj, vlc_value_t newVal );
 103     void on_can_record_changed( vlc_object_t* p_obj, vlc_value_t newVal );
 104
 105     void on_random_changed( vlc_object_t* p_obj, vlc_value_t newVal );
 106     void on_loop_changed( vlc_object_t* p_obj, vlc_value_t newVal );
 107     void on_repeat_changed( vlc_object_t* p_obj, vlc_value_t newVal );
 108
 109     void on_volume_changed( vlc_object_t* p_obj, vlc_value_t newVal );
 110     void on_audio_filter_changed( vlc_object_t* p_obj, vlc_value_t newVal );
 111
 112     void on_intf_show_changed( vlc_object_t* p_obj, vlc_value_t newVal );
 113
 114 protected:
 115     // Protected because it is a singleton
 116     VlcProc( intf_thread_t *pIntf );
 117     virtual ~VlcProc();
 118
 119 private:
 120     /// Timer to call manage() regularly (via doManage())
 121     OSTimer *m_pTimer;
 122     /// Playtree variable
 123     VariablePtr m_cPlaytree;
 124     VariablePtr m_cVarRandom;
 125     VariablePtr m_cVarLoop;
 126     VariablePtr m_cVarRepeat;
 127     /// Variable for current position of the stream
 128     VariablePtr m_cVarTime;
 129     /// Variable for audio volume
 130     VariablePtr m_cVarVolume;
 131     /// Variable for current stream properties
 132     VariablePtr m_cVarStreamName;
 133     VariablePtr m_cVarStreamURI;
 134     VariablePtr m_cVarStreamBitRate;
 135     VariablePtr m_cVarStreamSampleRate;
 136     VariablePtr m_cVarStreamArt;
 137     /// Variable for the "mute" state
 138     VariablePtr m_cVarMute;
 139     /// Variables related to the input
 140     VariablePtr m_cVarPlaying;
 141     VariablePtr m_cVarStopped;
 142     VariablePtr m_cVarPaused;
 143     VariablePtr m_cVarSeekable;
 144     VariablePtr m_cVarRecordable;
 145     VariablePtr m_cVarRecording;
 146     /// Variables related to the vout
 147     VariablePtr m_cVarFullscreen;
 148     VariablePtr m_cVarHasVout;
 149     /// Variables related to audio
 150     VariablePtr m_cVarHasAudio;
 151     /// Equalizer variables
 152     EqualizerBands m_varEqBands;
 153     VariablePtr m_cVarEqPreamp;
 154     VariablePtr m_cVarEqualizer;
 155     /// Variable for DVD detection
 156     VariablePtr m_cVarDvdActive;
 157
 158     /// Vout thread
 159     vout_thread_t *m_pVout;
 160     /// Audio output
 161     aout_instance_t *m_pAout;
 162     bool m_bEqualizer_started;
 163
 164     /**
 165      * Poll VLC internals to update the status (volume, current time in
 166      * the stream, current filename, play/pause/stop status, ...)
 167      * This function should be called regurlarly, since there is no
 168      * callback mechanism (yet?) to automatically update a variable when
 169      * the internal status changes
 170      */
 171     void manage();
 172
 173     // reset variables when input is over
 174     void reset_input();
 175
 176     // init variables (libvlc and playlist levels)
 177     void init_variables();
 178
 179     /// Define the command that calls manage()
 180     DEFINE_CALLBACK( VlcProc, Manage );
 181
 182     /// Callback for intf-show variable
 183     static int onIntfShow( vlc_object_t *pObj, const char *pVariable,
 184                            vlc_value_t oldVal, vlc_value_t newVal,
 185                            void *pParam );
 186
 187     /// Callback for input-current variable
 188     static int onInputNew( vlc_object_t *pObj, const char *pVariable,
 189                            vlc_value_t oldVal, vlc_value_t newVal,
 190                            void *pParam );
 191
 192     /// Callback for item-change variable
 193     static int onItemChange( vlc_object_t *pObj, const char *pVariable,
 194                              vlc_value_t oldVal, vlc_value_t newVal,
 195                              void *pParam );
 196
 197     /// Callback for item-change variable
 198     static int onItemAppend( vlc_object_t *pObj, const char *pVariable,
 199                              vlc_value_t oldVal, vlc_value_t newVal,
 200                              void *pParam );
 201
 202     /// Callback for item-change variable
 203     static int onItemDelete( vlc_object_t *pObj, const char *pVariable,
 204                              vlc_value_t oldVal, vlc_value_t newVal,
 205                              void *pParam );
 206
 207     static int onInteraction( vlc_object_t *pObj, const char *pVariable,
 208                               vlc_value_t oldVal, vlc_value_t newVal,
 209                               void *pParam );
 210
 211     static int onEqBandsChange( vlc_object_t *pObj, const char *pVariable,
 212                                 vlc_value_t oldVal, vlc_value_t newVal,
 213                                 void *pParam );
 214
 215     static int onEqPreampChange( vlc_object_t *pObj, const char *pVariable,
 216                                  vlc_value_t oldVal, vlc_value_t newVal,
 217                                  void *pParam );
 218
 219     /// Generic Callback
 220     static int onGenericCallback( vlc_object_t *pObj, const char *pVariable,
 221                                   vlc_value_t oldVal, vlc_value_t newVal,
 222                                   void *pParam );
 223
 224 };
 225
 226
 227 #endif