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[vlc] / src / input / input_internal.h
1 /*****************************************************************************
2  * input_internal.h: Internal input structures
3  *****************************************************************************
4  * Copyright (C) 1998-2006 VLC authors and VideoLAN
5  * $Id$
6  *
7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8  *
9  * This program is free software; you can redistribute it and/or modify it
10  * under the terms of the GNU Lesser General Public License as published by
11  * the Free Software Foundation; either version 2.1 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  * GNU Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public License
20  * along with this program; if not, write to the Free Software Foundation,
21  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22  *****************************************************************************/
23
24 #ifndef LIBVLC_INPUT_INTERNAL_H
25 #define LIBVLC_INPUT_INTERNAL_H 1
26
27 #include <vlc_access.h>
28 #include <vlc_demux.h>
29 #include <vlc_input.h>
30 #include <libvlc.h>
31 #include "input_interface.h"
32
33 /*****************************************************************************
34  *  Private input fields
35  *****************************************************************************/
36
37 #define INPUT_CONTROL_FIFO_SIZE    100
38
39 /* input_source_t: gathers all information per input source */
40 typedef struct
41 {
42     demux_t  *p_demux; /**< Demux plugin instance */
43
44     /* Title infos for that input */
45     bool         b_title_demux; /* Titles/Seekpoints provided by demux */
46     int          i_title;
47     input_title_t **title;
48
49     int i_title_offset;
50     int i_seekpoint_offset;
51
52     int i_title_start;
53     int i_title_end;
54     int i_seekpoint_start;
55     int i_seekpoint_end;
56
57     /* Properties */
58     bool b_can_pause;
59     bool b_can_pace_control;
60     bool b_can_rate_control;
61     bool b_can_stream_record;
62     bool b_rescale_ts;
63
64     /* */
65     int64_t i_pts_delay;
66
67     bool       b_eof;   /* eof of demuxer */
68
69 } input_source_t;
70
71 typedef struct
72 {
73     int         i_type;
74     vlc_value_t val;
75 } input_control_t;
76
77 /** Private input fields */
78 struct input_thread_private_t
79 {
80     /* Global properties */
81     double      f_fps;
82     int         i_state;
83     bool        b_can_pause;
84     bool        b_can_rate_control;
85     bool        b_can_pace_control;
86
87     /* Current state */
88     bool        b_recording;
89     int         i_rate;
90
91     /* Playtime configuration and state */
92     int64_t     i_start;    /* :start-time,0 by default */
93     int64_t     i_stop;     /* :stop-time, 0 if none */
94     int64_t     i_run;      /* :run-time, 0 if none */
95     int64_t     i_time;     /* Current time */
96     bool        b_fast_seek;/* :input-fast-seek */
97
98     /* Output */
99     bool            b_out_pace_control; /* XXX Move it ot es_sout ? */
100     sout_instance_t *p_sout;            /* Idem ? */
101     es_out_t        *p_es_out;
102     es_out_t        *p_es_out_display;
103
104     /* Title infos FIXME multi-input (not easy) ? */
105     int          i_title;
106     input_title_t **title;
107
108     int i_title_offset;
109     int i_seekpoint_offset;
110
111     /* User bookmarks FIXME won't be easy with multiples input */
112     seekpoint_t bookmark;
113     int         i_bookmark;
114     seekpoint_t **pp_bookmark;
115
116     /* Input attachment */
117     int i_attachment;
118     input_attachment_t **attachment;
119     demux_t **attachment_demux;
120
121     /* Main input properties */
122
123     /* Input item */
124     input_item_t   *p_item;
125
126     /* Main source */
127     input_source_t input;
128     /* Slave sources (subs, and others) */
129     int            i_slave;
130     input_source_t **slave;
131
132     /* Resources */
133     input_resource_t *p_resource;
134     input_resource_t *p_resource_private;
135
136     /* Stats counters */
137     struct {
138         counter_t *p_read_packets;
139         counter_t *p_read_bytes;
140         counter_t *p_input_bitrate;
141         counter_t *p_demux_read;
142         counter_t *p_demux_bitrate;
143         counter_t *p_demux_corrupted;
144         counter_t *p_demux_discontinuity;
145         counter_t *p_decoded_audio;
146         counter_t *p_decoded_video;
147         counter_t *p_decoded_sub;
148         counter_t *p_sout_sent_packets;
149         counter_t *p_sout_sent_bytes;
150         counter_t *p_sout_send_bitrate;
151         counter_t *p_played_abuffers;
152         counter_t *p_lost_abuffers;
153         counter_t *p_displayed_pictures;
154         counter_t *p_lost_pictures;
155         vlc_mutex_t counters_lock;
156     } counters;
157
158     /* Buffer of pending actions */
159     vlc_mutex_t lock_control;
160     vlc_cond_t  wait_control;
161     int i_control;
162     input_control_t control[INPUT_CONTROL_FIFO_SIZE];
163
164     bool is_running;
165     vlc_thread_t thread;
166 };
167
168 /***************************************************************************
169  * Internal control helpers
170  ***************************************************************************/
171 enum input_control_e
172 {
173     INPUT_CONTROL_SET_DIE,
174
175     INPUT_CONTROL_SET_STATE,
176
177     INPUT_CONTROL_SET_RATE,
178
179     INPUT_CONTROL_SET_POSITION,
180
181     INPUT_CONTROL_SET_TIME,
182
183     INPUT_CONTROL_SET_PROGRAM,
184
185     INPUT_CONTROL_SET_TITLE,
186     INPUT_CONTROL_SET_TITLE_NEXT,
187     INPUT_CONTROL_SET_TITLE_PREV,
188
189     INPUT_CONTROL_SET_SEEKPOINT,
190     INPUT_CONTROL_SET_SEEKPOINT_NEXT,
191     INPUT_CONTROL_SET_SEEKPOINT_PREV,
192
193     INPUT_CONTROL_SET_BOOKMARK,
194
195     INPUT_CONTROL_NAV_ACTIVATE, // NOTE: INPUT_CONTROL_NAV_* values must be
196     INPUT_CONTROL_NAV_UP,       // contiguous and in the same order as
197     INPUT_CONTROL_NAV_DOWN,     // INPUT_NAV_* and DEMUX_NAV_*.
198     INPUT_CONTROL_NAV_LEFT,
199     INPUT_CONTROL_NAV_RIGHT,
200
201     INPUT_CONTROL_SET_ES,
202     INPUT_CONTROL_RESTART_ES,
203
204     INPUT_CONTROL_SET_AUDIO_DELAY,
205     INPUT_CONTROL_SET_SPU_DELAY,
206
207     INPUT_CONTROL_ADD_SLAVE,
208
209     INPUT_CONTROL_ADD_SUBTITLE,
210
211     INPUT_CONTROL_SET_RECORD_STATE,
212
213     INPUT_CONTROL_SET_FRAME_NEXT,
214 };
215
216 /* Internal helpers */
217
218 /* XXX for string value you have to allocate it before calling
219  * input_ControlPush
220  */
221 void input_ControlPush( input_thread_t *, int i_type, vlc_value_t * );
222
223 /* Bound pts_delay */
224 #define INPUT_PTS_DELAY_MAX INT64_C(60000000)
225
226 /**********************************************************************
227  * Item metadata
228  **********************************************************************/
229 /* input_ExtractAttachmentAndCacheArt:
230  *  Be careful: p_item lock will be taken! */
231 void input_ExtractAttachmentAndCacheArt( input_thread_t *, const char *name );
232
233 /***************************************************************************
234  * Internal prototypes
235  ***************************************************************************/
236
237 /* var.c */
238 void input_ControlVarInit ( input_thread_t * );
239 void input_ControlVarStop( input_thread_t * );
240 void input_ControlVarNavigation( input_thread_t * );
241 void input_ControlVarTitle( input_thread_t *, int i_title );
242
243 void input_ConfigVarInit ( input_thread_t * );
244
245 /* Subtitles */
246 char **subtitles_Detect( input_thread_t *, char* path, const char *fname );
247 int subtitles_Filter( const char *);
248
249 /* input.c */
250 void input_SplitMRL( const char **, const char **, const char **,
251                      const char **, char * );
252
253 /* meta.c */
254 void vlc_audio_replay_gain_MergeFromMeta( audio_replay_gain_t *p_dst,
255                                           const vlc_meta_t *p_meta );
256
257 #endif