1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2003 the VideoLAN team
7 * Authors: Cyril Deguet <asmax@via.ecp.fr>
8 * Olivier Teulière <ipkiss@via.ecp.fr>
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.
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.
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 *****************************************************************************/
30 #include <vlc_common.h>
31 #include <vlc_input.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"
44 struct aout_instance_t;
48 /// Singleton object handling VLC internal state and playlist
49 class VlcProc: public SkinObject
52 /// Get the instance of VlcProc
53 /// Returns NULL if the initialization of the object failed
54 static VlcProc *instance( intf_thread_t *pIntf );
56 /// Delete the instance of VlcProc
57 static void destroy( intf_thread_t *pIntf );
59 /// Getter for the playtree variable
60 Playtree &getPlaytreeVar() { return *((Playtree*)m_cPlaytree.get()); }
62 /// Getter for the time variable
63 StreamTime &getTimeVar() { return *((StreamTime*)(m_cVarTime.get())); }
65 /// Getter for the volume variable
66 Volume &getVolumeVar() { return *((Volume*)(m_cVarVolume.get())); }
68 /// Getter for the stream name variable
69 VarText &getStreamNameVar()
70 { return *((VarText*)(m_cVarStreamName.get())); }
72 /// Getter for the stream URI variable
73 VarText &getStreamURIVar()
74 { return *((VarText*)(m_cVarStreamURI.get())); }
76 /// Getter for the stream bitrate variable
77 VarText &getStreamBitRateVar()
78 { return *((VarText*)(m_cVarStreamBitRate.get())); }
80 /// Getter for the stream sample rate variable
81 VarText &getStreamSampleRateVar()
82 { return *((VarText*)(m_cVarStreamSampleRate.get())); }
84 /// Getter for the vout size variable
85 VarBox &getVoutSizeVar() { return m_varVoutSize; }
87 /// Indicate whether the embedded video output is currently used
88 bool isVoutUsed() const { return m_pVout != NULL; }
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 );
95 void on_random_changed( vlc_object_t* p_obj, vlc_value_t newVal );
96 void on_loop_changed( vlc_object_t* p_obj, vlc_value_t newVal );
97 void on_repeat_changed( vlc_object_t* p_obj, vlc_value_t newVal );
99 void on_volume_changed( vlc_object_t* p_obj, vlc_value_t newVal );
100 void on_audio_filter_changed( vlc_object_t* p_obj, vlc_value_t newVal );
103 // Protected because it is a singleton
104 VlcProc( intf_thread_t *pIntf );
108 /// Timer to call manage() regularly (via doManage())
110 /// Playtree variable
111 VariablePtr m_cPlaytree;
112 VariablePtr m_cVarRandom;
113 VariablePtr m_cVarLoop;
114 VariablePtr m_cVarRepeat;
115 /// Variable for current position of the stream
116 VariablePtr m_cVarTime;
117 /// Variable for audio volume
118 VariablePtr m_cVarVolume;
119 /// Variable for current stream properties
120 VariablePtr m_cVarStreamName;
121 VariablePtr m_cVarStreamURI;
122 VariablePtr m_cVarStreamBitRate;
123 VariablePtr m_cVarStreamSampleRate;
124 /// Variable for the "mute" state
125 VariablePtr m_cVarMute;
126 /// Variables related to the input
127 VariablePtr m_cVarPlaying;
128 VariablePtr m_cVarStopped;
129 VariablePtr m_cVarPaused;
130 VariablePtr m_cVarSeekable;
131 /// Variables related to the vout
132 VariablePtr m_cVarFullscreen;
133 VarBox m_varVoutSize;
134 VariablePtr m_cVarHasVout;
135 /// Variables related to audio
136 VariablePtr m_cVarHasAudio;
137 /// Equalizer variables
138 EqualizerBands m_varEqBands;
139 VariablePtr m_cVarEqPreamp;
140 VariablePtr m_cVarEqualizer;
141 /// Variable for DVD detection
142 VariablePtr m_cVarDvdActive;
145 vout_thread_t *m_pVout;
147 aout_instance_t *m_pAout;
150 * Poll VLC internals to update the status (volume, current time in
151 * the stream, current filename, play/pause/stop status, ...)
152 * This function should be called regurlarly, since there is no
153 * callback mechanism (yet?) to automatically update a variable when
154 * the internal status changes
158 /// Define the command that calls manage()
159 DEFINE_CALLBACK( VlcProc, Manage );
161 /// Update the stream name variable
162 void updateStreamName();
164 /// Callback for intf-change variable
165 static int onIntfChange( vlc_object_t *pObj, const char *pVariable,
166 vlc_value_t oldVal, vlc_value_t newVal,
169 /// Callback for intf-show variable
170 static int onIntfShow( vlc_object_t *pObj, const char *pVariable,
171 vlc_value_t oldVal, vlc_value_t newVal,
174 /// Callback for item-change variable
175 static int onItemChange( vlc_object_t *pObj, const char *pVariable,
176 vlc_value_t oldVal, vlc_value_t newVal,
179 /// Callback for item-change variable
180 static int onItemAppend( vlc_object_t *pObj, const char *pVariable,
181 vlc_value_t oldVal, vlc_value_t newVal,
184 /// Callback for item-change variable
185 static int onItemDelete( vlc_object_t *pObj, const char *pVariable,
186 vlc_value_t oldVal, vlc_value_t newVal,
190 /// Callback for playlist-current variable
191 static int onPlaylistChange( vlc_object_t *pObj, const char *pVariable,
192 vlc_value_t oldVal, vlc_value_t newVal,
195 /// Callback for skins2-to-load variable
196 static int onSkinToLoad( vlc_object_t *pObj, const char *pVariable,
197 vlc_value_t oldVal, vlc_value_t newVal,
200 /// Callback for interaction variable
201 static int onInteraction( vlc_object_t *pObj, const char *pVariable,
202 vlc_value_t oldVal, vlc_value_t newVal,
205 /// Callback for equalizer-bands variable
206 static int onEqBandsChange( vlc_object_t *pObj, const char *pVariable,
207 vlc_value_t oldVal, vlc_value_t newVal,
210 /// Callback for equalizer-preamp variable
211 static int onEqPreampChange( vlc_object_t *pObj, const char *pVariable,
212 vlc_value_t oldVal, vlc_value_t newVal,
216 static int onGenericCallback( vlc_object_t *pObj, const char *pVariable,
217 vlc_value_t oldVal, vlc_value_t newVal,