1 /*****************************************************************************
2 * core.c: Core functions : init, playlist, stream management
3 *****************************************************************************
4 * Copyright (C) 2005 the VideoLAN team
7 * Authors: Olivier Aubert <olivier.aubert@liris.univ-lyon1.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
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 General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
28 #include "mediacontrol_internal.h"
29 #include <vlc/mediacontrol.h>
31 #include <vlc/libvlc.h>
32 #include <vlc_common.h>
33 #include <vlc_interface.h>
34 #include <vlc_playlist.h>
38 #include <vlc_input.h>
41 #include <stdlib.h> /* malloc(), free() */
49 #include <sys/types.h>
51 mediacontrol_Instance
* mediacontrol_new( int argc
, char** argv
, mediacontrol_Exception
*exception
)
53 mediacontrol_Instance
* retval
;
54 mediacontrol_exception_init( exception
);
56 retval
= ( mediacontrol_Instance
* )malloc( sizeof( mediacontrol_Instance
) );
58 RAISE_NULL( mediacontrol_InternalException
, "Out of memory" );
60 retval
->p_instance
= libvlc_new( argc
, (const char**)argv
);
61 if( !retval
->p_instance
)
62 RAISE_NULL( mediacontrol_InternalException
, "Out of memory" );
63 retval
->p_media_player
= libvlc_media_player_new( retval
->p_instance
);
64 if( !retval
->p_media_player
)
65 RAISE_NULL( mediacontrol_InternalException
, "Out of memory" );
70 mediacontrol_exit( mediacontrol_Instance
*self
)
72 libvlc_release( self
->p_instance
);
76 mediacontrol_get_libvlc_instance( mediacontrol_Instance
*self
)
78 return self
->p_instance
;
81 libvlc_media_player_t
*
82 mediacontrol_get_media_player( mediacontrol_Instance
*self
)
84 return self
->p_media_player
;
87 mediacontrol_Instance
*
88 mediacontrol_new_from_instance( libvlc_instance_t
* p_instance
,
89 mediacontrol_Exception
*exception
)
91 mediacontrol_Instance
* retval
;
93 retval
= ( mediacontrol_Instance
* )malloc( sizeof( mediacontrol_Instance
) );
96 RAISE_NULL( mediacontrol_InternalException
, "Out of memory" );
98 retval
->p_instance
= p_instance
;
99 retval
->p_media_player
= libvlc_media_player_new( retval
->p_instance
);
100 if( ! retval
->p_media_player
)
101 RAISE_NULL( mediacontrol_InternalException
, "Out of memory" );
105 /**************************************************************************
106 * Playback management
107 **************************************************************************/
108 mediacontrol_Position
*
109 mediacontrol_get_media_position( mediacontrol_Instance
*self
,
110 const mediacontrol_PositionOrigin an_origin
,
111 const mediacontrol_PositionKey a_key
,
112 mediacontrol_Exception
*exception
)
114 mediacontrol_Position
* retval
= NULL
;
117 mediacontrol_exception_init( exception
);
119 retval
= ( mediacontrol_Position
* )malloc( sizeof( mediacontrol_Position
) );
120 retval
->origin
= an_origin
;
123 if( an_origin
!= mediacontrol_AbsolutePosition
)
126 /* Relative or ModuloPosition make no sense */
127 RAISE_NULL( mediacontrol_PositionOriginNotSupported
,
128 "Only absolute position is valid." );
131 /* We are asked for an AbsolutePosition. */
132 pos
= libvlc_media_player_get_time( self
->p_media_player
);
134 if( a_key
== mediacontrol_MediaTime
)
140 retval
->value
= private_mediacontrol_unit_convert( self
->p_media_player
,
141 mediacontrol_MediaTime
,
148 /* Sets the media position */
150 mediacontrol_set_media_position( mediacontrol_Instance
*self
,
151 const mediacontrol_Position
* a_position
,
152 mediacontrol_Exception
*exception
)
156 mediacontrol_exception_init( exception
);
158 i_pos
= private_mediacontrol_position2microsecond( self
->p_media_player
, a_position
);
159 libvlc_media_player_set_time( self
->p_media_player
, i_pos
/ 1000 );
162 /* Starts playing a stream */
164 * Known issues: since moving in the playlist using playlist_Next
165 * or playlist_Prev implies starting to play items, the a_position
166 * argument will be only honored for the 1st item in the list.
168 * XXX:FIXME split moving in the playlist and playing items two
169 * different actions or make playlist_<Next|Prev> accept a time
170 * value to start to play from.
173 mediacontrol_start( mediacontrol_Instance
*self
,
174 const mediacontrol_Position
* a_position
,
175 mediacontrol_Exception
*exception
)
177 libvlc_media_t
* p_media
;
179 libvlc_exception_t ex
;
181 mediacontrol_exception_init( exception
);
182 libvlc_exception_init( &ex
);
184 p_media
= libvlc_media_player_get_media( self
->p_media_player
);
188 /* No media was defined. */
189 RAISE( mediacontrol_PlaylistException
, "No defined media." );
193 /* A media was defined. Get its mrl to reuse it, but reset the options
194 (because start-time may have been set on the previous invocation */
195 psz_name
= libvlc_media_get_mrl( p_media
);
196 HANDLE_LIBVLC_EXCEPTION_VOID( &ex
);
198 /* Create a new media */
199 p_media
= libvlc_media_new_location( self
->p_instance
, psz_name
, &ex
);
200 HANDLE_LIBVLC_EXCEPTION_VOID( &ex
);
202 if( a_position
->value
)
205 libvlc_time_t i_from
;
207 /* A start position was specified. Add it to media options */
208 psz_from
= ( char * )malloc( 20 * sizeof( char ) );
209 i_from
= private_mediacontrol_position2microsecond( self
->p_media_player
, a_position
) / 1000000;
210 snprintf( psz_from
, 20, "start-time=%"PRId64
, i_from
);
211 libvlc_media_add_option( p_media
, psz_from
);
212 HANDLE_LIBVLC_EXCEPTION_VOID( &ex
);
215 libvlc_media_player_set_media( self
->p_media_player
, p_media
);
217 libvlc_media_player_play( self
->p_media_player
);
222 mediacontrol_pause( mediacontrol_Instance
*self
,
223 mediacontrol_Exception
*exception
)
225 mediacontrol_exception_init( exception
);
226 libvlc_media_player_pause( self
->p_media_player
);
230 mediacontrol_resume( mediacontrol_Instance
*self
,
231 mediacontrol_Exception
*exception
)
233 mediacontrol_exception_init( exception
);
234 libvlc_media_player_pause( self
->p_media_player
);
238 mediacontrol_stop( mediacontrol_Instance
*self
,
239 mediacontrol_Exception
*exception
)
241 mediacontrol_exception_init( exception
);
242 libvlc_media_player_stop( self
->p_media_player
);
245 /**************************************************************************
247 **************************************************************************/
250 mediacontrol_set_mrl( mediacontrol_Instance
*self
,
251 const char * psz_file
,
252 mediacontrol_Exception
*exception
)
254 libvlc_media_t
* p_media
;
255 libvlc_exception_t ex
;
257 mediacontrol_exception_init( exception
);
258 libvlc_exception_init( &ex
);
260 p_media
= libvlc_media_new_location( self
->p_instance
, psz_file
, &ex
);
261 HANDLE_LIBVLC_EXCEPTION_VOID( &ex
);
263 libvlc_media_player_set_media( self
->p_media_player
, p_media
);
267 mediacontrol_get_mrl( mediacontrol_Instance
*self
,
268 mediacontrol_Exception
*exception
)
270 libvlc_media_t
* p_media
;
271 libvlc_exception_t ex
;
273 mediacontrol_exception_init( exception
);
274 libvlc_exception_init( &ex
);
276 p_media
= libvlc_media_player_get_media( self
->p_media_player
);
286 psz_mrl
= libvlc_media_get_mrl( p_media
);
287 HANDLE_LIBVLC_EXCEPTION_NULL( &ex
);
292 /***************************************************************************
294 ***************************************************************************/
296 mediacontrol_StreamInformation
*
297 mediacontrol_get_stream_information( mediacontrol_Instance
*self
,
298 mediacontrol_PositionKey a_key
,
299 mediacontrol_Exception
*exception
)
302 mediacontrol_StreamInformation
*retval
= NULL
;
303 libvlc_media_t
* p_media
;
304 libvlc_exception_t ex
;
306 libvlc_exception_init( &ex
);
308 retval
= ( mediacontrol_StreamInformation
* )
309 malloc( sizeof( mediacontrol_StreamInformation
) );
312 RAISE( mediacontrol_InternalException
, "Out of memory" );
316 p_media
= libvlc_media_player_get_media( self
->p_media_player
);
319 /* No p_media defined */
320 retval
->streamstatus
= mediacontrol_UndefinedStatus
;
321 retval
->url
= strdup( "" );
322 retval
->position
= 0;
327 libvlc_state_t state
;
329 state
= libvlc_media_player_get_state( self
->p_media_player
);
332 case libvlc_NothingSpecial
:
333 retval
->streamstatus
= mediacontrol_UndefinedStatus
;
335 case libvlc_Opening
:
336 retval
->streamstatus
= mediacontrol_InitStatus
;
338 case libvlc_Buffering
:
339 retval
->streamstatus
= mediacontrol_BufferingStatus
;
342 retval
->streamstatus
= mediacontrol_PlayingStatus
;
345 retval
->streamstatus
= mediacontrol_PauseStatus
;
348 retval
->streamstatus
= mediacontrol_StopStatus
;
351 retval
->streamstatus
= mediacontrol_EndStatus
;
354 retval
->streamstatus
= mediacontrol_ErrorStatus
;
357 retval
->streamstatus
= mediacontrol_UndefinedStatus
;
361 retval
->url
= libvlc_media_get_mrl( p_media
);
363 retval
->position
= libvlc_media_player_get_time( self
->p_media_player
);
364 retval
->length
= libvlc_media_player_get_length( self
->p_media_player
);