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input_internal.h
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1 /*****************************************************************************
2  * input_internal.h: Internal input structures
3  *****************************************************************************
4  * Copyright (C) 1998-2006 VLC authors and VideoLAN
5  * $Id: b3ad9e7463481e92b929ed999f764289636f05ff $
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  /* Access/Stream/Demux plugins */
43  access_t *p_access;
44  stream_t *p_stream;
45  demux_t *p_demux;
46 
47  /* Title infos for that input */
48  bool b_title_demux; /* Titles/Seekpoints provided by demux */
49  int i_title;
50  input_title_t **title;
51 
52  int i_title_offset;
53  int i_seekpoint_offset;
54 
55  int i_title_start;
56  int i_title_end;
57  int i_seekpoint_start;
58  int i_seekpoint_end;
59 
60  /* Properties */
61  bool b_can_pause;
62  bool b_can_pace_control;
63  bool b_can_rate_control;
64  bool b_can_stream_record;
65  bool b_rescale_ts;
66 
67  /* */
68  int64_t i_pts_delay;
69 
70  bool b_eof; /* eof of demuxer */
71 
72 } input_source_t;
73 
74 typedef struct
75 {
76  int i_type;
77  vlc_value_t val;
78 } input_control_t;
79 
80 /** Private input fields */
81 struct input_thread_private_t
82 {
83  /* Global properties */
84  double f_fps;
85  int i_state;
86  bool b_can_pause;
87  bool b_can_rate_control;
88  bool b_can_pace_control;
89 
90  /* Current state */
91  bool b_recording;
92  int i_rate;
93 
94  /* Playtime configuration and state */
95  int64_t i_start; /* :start-time,0 by default */
96  int64_t i_stop; /* :stop-time, 0 if none */
97  int64_t i_run; /* :run-time, 0 if none */
98  int64_t i_time; /* Current time */
99  bool b_fast_seek;/* :input-fast-seek */
100 
101  /* Output */
102  bool b_out_pace_control; /* XXX Move it ot es_sout ? */
103  sout_instance_t *p_sout; /* Idem ? */
104  es_out_t *p_es_out;
105  es_out_t *p_es_out_display;
106 
107  /* Title infos FIXME multi-input (not easy) ? */
108  int i_title;
109  input_title_t **title;
110 
111  int i_title_offset;
112  int i_seekpoint_offset;
113 
114  /* User bookmarks FIXME won't be easy with multiples input */
115  seekpoint_t bookmark;
116  int i_bookmark;
117  seekpoint_t **pp_bookmark;
118 
119  /* Input attachment */
120  int i_attachment;
121  input_attachment_t **attachment;
122 
123  /* Main input properties */
124 
125  /* Input item */
126  input_item_t *p_item;
127 
128  /* Main source */
129  input_source_t input;
130  /* Slave sources (subs, and others) */
131  int i_slave;
132  input_source_t **slave;
133 
134  /* Resources */
135  input_resource_t *p_resource;
136  input_resource_t *p_resource_private;
137 
138  /* Stats counters */
139  struct {
140  counter_t *p_read_packets;
141  counter_t *p_read_bytes;
142  counter_t *p_input_bitrate;
143  counter_t *p_demux_read;
144  counter_t *p_demux_bitrate;
145  counter_t *p_demux_corrupted;
146  counter_t *p_demux_discontinuity;
147  counter_t *p_decoded_audio;
148  counter_t *p_decoded_video;
149  counter_t *p_decoded_sub;
150  counter_t *p_sout_sent_packets;
151  counter_t *p_sout_sent_bytes;
152  counter_t *p_sout_send_bitrate;
153  counter_t *p_played_abuffers;
154  counter_t *p_lost_abuffers;
155  counter_t *p_displayed_pictures;
156  counter_t *p_lost_pictures;
157  vlc_mutex_t counters_lock;
158  } counters;
159 
160  /* Buffer of pending actions */
161  vlc_mutex_t lock_control;
162  vlc_cond_t wait_control;
163  int i_control;
164  input_control_t control[INPUT_CONTROL_FIFO_SIZE];
165 
166  bool b_abort;
167  bool is_running;
168  vlc_thread_t thread;
169 };
170 
171 /***************************************************************************
172  * Internal control helpers
173  ***************************************************************************/
174 enum input_control_e
175 {
176  INPUT_CONTROL_SET_DIE,
177 
178  INPUT_CONTROL_SET_STATE,
179 
180  INPUT_CONTROL_SET_RATE,
181 
182  INPUT_CONTROL_SET_POSITION,
183 
184  INPUT_CONTROL_SET_TIME,
185 
186  INPUT_CONTROL_SET_PROGRAM,
187 
188  INPUT_CONTROL_SET_TITLE,
189  INPUT_CONTROL_SET_TITLE_NEXT,
190  INPUT_CONTROL_SET_TITLE_PREV,
191 
192  INPUT_CONTROL_SET_SEEKPOINT,
193  INPUT_CONTROL_SET_SEEKPOINT_NEXT,
194  INPUT_CONTROL_SET_SEEKPOINT_PREV,
195 
196  INPUT_CONTROL_SET_BOOKMARK,
197 
198  INPUT_CONTROL_NAV_ACTIVATE, // NOTE: INPUT_CONTROL_NAV_* values must be
199  INPUT_CONTROL_NAV_UP, // contiguous and in the same order as
200  INPUT_CONTROL_NAV_DOWN, // INPUT_NAV_* and DEMUX_NAV_*.
201  INPUT_CONTROL_NAV_LEFT,
202  INPUT_CONTROL_NAV_RIGHT,
203 
204  INPUT_CONTROL_SET_ES,
205  INPUT_CONTROL_RESTART_ES,
206 
207  INPUT_CONTROL_SET_AUDIO_DELAY,
208  INPUT_CONTROL_SET_SPU_DELAY,
209 
210  INPUT_CONTROL_ADD_SLAVE,
211 
212  INPUT_CONTROL_ADD_SUBTITLE,
213 
214  INPUT_CONTROL_SET_RECORD_STATE,
215 
216  INPUT_CONTROL_SET_FRAME_NEXT,
217 };
218 
219 /* Internal helpers */
220 
221 /* XXX for string value you have to allocate it before calling
222  * input_ControlPush
223  */
224 void input_ControlPush( input_thread_t *, int i_type, vlc_value_t * );
225 
226 /* Bound pts_delay */
227 #define INPUT_PTS_DELAY_MAX INT64_C(60000000)
228 
229 /**********************************************************************
230  * Item metadata
231  **********************************************************************/
232 /* input_ExtractAttachmentAndCacheArt:
233  * Becarefull; p_item lock HAS to be taken */
234 void input_ExtractAttachmentAndCacheArt( input_thread_t *p_input );
235 
236 /***************************************************************************
237  * Internal prototypes
238  ***************************************************************************/
239 
240 /* var.c */
241 void input_ControlVarInit ( input_thread_t * );
242 void input_ControlVarStop( input_thread_t * );
243 void input_ControlVarNavigation( input_thread_t * );
244 void input_ControlVarTitle( input_thread_t *, int i_title );
245 
246 void input_ConfigVarInit ( input_thread_t * );
247 
248 /* Subtitles */
249 char **subtitles_Detect( input_thread_t *, char* path, const char *fname );
250 int subtitles_Filter( const char *);
251 
252 /* input.c */
253 void input_SplitMRL( const char **, const char **, const char **,
254  const char **, char * );
255 
256 #endif
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