1 /*****************************************************************************
2 * vlm.c: libvlc new API VLM handling functions
3 *****************************************************************************
4 * Copyright (C) 2005 the VideoLAN team
5 * $Id: playlist.c 14265 2006-02-12 17:31:39Z zorglub $
7 * Authors: Clément Stenac <zorglub@videolan.org>
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 *****************************************************************************/
24 #include <libvlc_internal.h>
25 #include <vlc/libvlc.h>
29 #include <vlc_input.h>
32 void InitVLM( libvlc_instance_t *p_instance )
35 if( p_instance->p_vlm ) return;
36 p_instance->p_vlm = vlm_New( p_instance->p_libvlc_int );
38 p_instance->p_vlm = NULL;
42 #define CHECK_VLM { if( !p_instance->p_vlm ) InitVLM( p_instance ); \
43 if( !p_instance->p_vlm ) {\
44 libvlc_exception_raise( p_exception, \
45 "Unable to create VLM. It might be disabled." ); return; } }
47 #define GET_MEDIA { p_media = vlm_MediaSearch( p_instance->p_vlm, psz_name );\
50 libvlc_exception_raise( p_exception, \
51 "Media %s does not exist", \
52 psz_name ); return; } }
54 void libvlc_vlm_add_broadcast( libvlc_instance_t *p_instance, char *psz_name,
55 char *psz_input, char *psz_output,
56 int i_options, char **ppsz_options,
57 int b_enabled, int b_loop,
58 libvlc_exception_t *p_exception )
63 p_media = vlm_MediaNew( p_instance->p_vlm, psz_name, BROADCAST_TYPE );
66 libvlc_exception_raise( p_exception, "Media %s creation failed",
70 libvlc_vlm_change_media( p_instance, psz_name, psz_input, psz_output,
71 i_options, ppsz_options, b_enabled, b_loop,
76 void libvlc_vlm_del_media( libvlc_instance_t *p_instance, char *psz_name,
77 libvlc_exception_t *p_exception )
80 vlm_message_t *answer;
83 asprintf( &psz_message, "del %s", psz_name );
84 vlm_ExecuteCommand( p_instance->p_vlm, psz_message, &answer );
85 if( answer->psz_value )
87 libvlc_exception_raise( p_exception, "Unable to delete %s",
94 void libvlc_vlm_set_enabled( libvlc_instance_t *p_instance, char *psz_name,
95 int b_enabled, libvlc_exception_t *p_exception )
101 if( b_enabled != 0 ) b_enabled = 1;
102 p_media->b_enabled = b_enabled;
106 void libvlc_vlm_set_loop( libvlc_instance_t *p_instance, char *psz_name,
107 int b_loop, libvlc_exception_t *p_exception )
109 vlm_media_t *p_media;
113 if( b_loop != 0 ) b_loop = 1;
114 p_media->b_loop = b_loop;
118 void libvlc_vlm_set_output( libvlc_instance_t *p_instance, char *psz_name,
119 char *psz_output, libvlc_exception_t *p_exception )
121 vlm_media_t *p_media;
127 vlc_mutex_lock( &p_instance->p_vlm->lock );
128 i_ret = vlm_MediaSetup( p_instance->p_vlm, p_media, "output", psz_output );
131 libvlc_exception_raise( p_exception, "Unable to set output" );
132 vlc_mutex_unlock( &p_instance->p_vlm->lock );
135 vlc_mutex_unlock( &p_instance->p_vlm->lock );
139 void libvlc_vlm_set_input( libvlc_instance_t *p_instance, char *psz_name,
140 char *psz_input, libvlc_exception_t *p_exception )
142 vlm_media_t *p_media;
146 vlc_mutex_lock( &p_instance->p_vlm->lock );
149 i_ret = vlm_MediaSetup( p_instance->p_vlm, p_media, "inputdel", "all" );
152 libvlc_exception_raise( p_exception, "Unable to change input" );
153 vlc_mutex_unlock( &p_instance->p_vlm->lock );
156 i_ret = vlm_MediaSetup( p_instance->p_vlm, p_media, "input", psz_input );
159 libvlc_exception_raise( p_exception, "Unable to change input" );
160 vlc_mutex_unlock( &p_instance->p_vlm->lock );
163 vlc_mutex_unlock( &p_instance->p_vlm->lock );
167 void libvlc_vlm_add_input( libvlc_instance_t *p_instance, char *psz_name,
168 char *psz_input, libvlc_exception_t *p_exception )
170 vlm_media_t *p_media;
174 vlc_mutex_lock( &p_instance->p_vlm->lock );
177 i_ret = vlm_MediaSetup( p_instance->p_vlm, p_media, "input", psz_input );
180 libvlc_exception_raise( p_exception, "Unable to change input" );
181 vlc_mutex_unlock( &p_instance->p_vlm->lock );
185 vlc_mutex_unlock( &p_instance->p_vlm->lock );
190 void libvlc_vlm_change_media( libvlc_instance_t *p_instance, char *psz_name,
191 char *psz_input, char *psz_output, int i_options,
192 char **ppsz_options, int b_enabled, int b_loop,
193 libvlc_exception_t *p_exception )
195 vlm_media_t *p_media;
199 vlc_mutex_lock( &p_instance->p_vlm->lock );
201 if( b_enabled != 0 ) b_enabled = 1;
202 if( b_loop != 0 ) b_loop = 1;
204 i_ret = vlm_MediaSetup( p_instance->p_vlm, p_media, "output", psz_output );
207 libvlc_exception_raise( p_exception, "Unable to set output" );
208 vlc_mutex_unlock( &p_instance->p_vlm->lock );
211 p_media->b_enabled = b_enabled;
212 p_media->b_loop = b_loop;
214 i_ret = vlm_MediaSetup( p_instance->p_vlm, p_media, "output", psz_output );
217 libvlc_exception_raise( p_exception, "Unable to set output" );
218 vlc_mutex_unlock( &p_instance->p_vlm->lock );
221 i_ret = vlm_MediaSetup( p_instance->p_vlm, p_media, "inputdel", "all" );
224 libvlc_exception_raise( p_exception, "Unable to change input" );
225 vlc_mutex_unlock( &p_instance->p_vlm->lock );
228 i_ret = vlm_MediaSetup( p_instance->p_vlm, p_media, "input", psz_input );
231 libvlc_exception_raise( p_exception, "Unable to change input" );
232 vlc_mutex_unlock( &p_instance->p_vlm->lock );
236 vlc_mutex_unlock( &p_instance->p_vlm->lock );
240 void libvlc_vlm_play_media( libvlc_instance_t *p_instance, char *psz_name,
241 libvlc_exception_t *p_exception )
245 vlm_message_t *answer;
248 asprintf( &psz_message, "control %s play", psz_name );
249 vlm_ExecuteCommand( p_instance->p_vlm, psz_message, &answer );
250 if( answer->psz_value )
252 libvlc_exception_raise( p_exception, "Unable to play %s",
259 void libvlc_vlm_stop_media( libvlc_instance_t *p_instance, char *psz_name,
260 libvlc_exception_t *p_exception )
264 vlm_message_t *answer;
267 asprintf( &psz_message, "control %s stop", psz_name );
268 vlm_ExecuteCommand( p_instance->p_vlm, psz_message, &answer );
269 if( answer->psz_value )
271 libvlc_exception_raise( p_exception, "Unable to stop %s",
278 void libvlc_vlm_pause_media( libvlc_instance_t *p_instance, char *psz_name,
279 libvlc_exception_t *p_exception )
283 vlm_message_t *answer;
286 asprintf( &psz_message, "control %s pause", psz_name );
287 vlm_ExecuteCommand( p_instance->p_vlm, psz_message, &answer );
288 if( answer->psz_value )
290 libvlc_exception_raise( p_exception, "Unable to pause %s",
297 void libvlc_vlm_seek_media( libvlc_instance_t *p_instance, char *psz_name,
298 float f_percentage, libvlc_exception_t *p_exception )
302 vlm_message_t *answer;
305 asprintf( &psz_message, "control %s seek %f", psz_name, f_percentage );
306 vlm_ExecuteCommand( p_instance->p_vlm, psz_message, &answer );
307 if( answer->psz_value )
309 libvlc_exception_raise( p_exception, "Unable to seek %s to %f",
310 psz_name, f_percentage );
317 #define LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( attr, returnType, getType, default)\
318 returnType libvlc_vlm_get_media_## attr( libvlc_instance_t *p_instance, \
319 char *psz_name, int i_instance, \
320 libvlc_exception_t *p_exception ) \
322 vlm_media_instance_t *p_media_instance; \
324 vlm_media_t *p_media; \
325 p_media = vlm_MediaSearch( p_instance->p_vlm, psz_name ); \
326 if ( p_media == NULL ) \
328 libvlc_exception_raise( p_exception, "Unable to find media %s", \
333 if ( i_instance < p_media->i_instance ) \
335 p_media_instance = p_media->instance[ i_instance ]; \
336 return var_Get ## getType( p_media_instance->p_input, #attr );\
340 libvlc_exception_raise( p_exception, "Media index %i out of range",\
347 #define LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( attr, returnType, getType, default)\
348 returnType libvlc_vlm_get_media_## attr( libvlc_instance_t *p_instance, \
349 char *psz_name, int i_instance, libvlc_exception_t *p_exception ) \
352 vlm_message_t *answer; \
358 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( position, float, Float, -1);
359 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( time, int, Integer, -1);
360 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( length, int, Integer, -1);
361 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( rate, int, Integer, -1);
362 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( title, int, Integer, 0);
363 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( chapter, int, Integer, 0);
364 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( seekable, int, Bool, 0);
366 #undef LIBVLC_VLM_GET_MEDIA_ATTRIBUTE
368 char* libvlc_vlm_show_media( libvlc_instance_t *p_instance, char *psz_name,
369 libvlc_exception_t *p_exception )
371 char* recurse_answer( char* psz_prefix, vlm_message_t *p_answer ) {
372 char* psz_childprefix;
373 char* psz_response="";
376 vlm_message_t *aw_child, **paw_child;
378 asprintf( &psz_childprefix, "%s%s.", psz_prefix, p_answer->psz_name );
380 if ( p_answer->i_child )
382 paw_child = p_answer->child;
383 aw_child = *( paw_child );
384 for( i = 0; i < p_answer->i_child; i++ )
386 asprintf( &response_tmp, "%s%s%s:%s\n",
387 psz_response, psz_prefix, aw_child->psz_name,
388 aw_child->psz_value );
389 free( psz_response );
390 psz_response = response_tmp;
391 if ( aw_child->i_child )
393 asprintf(&response_tmp, "%s%s", psz_response,
394 recurse_answer(psz_childprefix, aw_child));
395 free( psz_response );
396 psz_response = response_tmp;
399 aw_child = *( paw_child );
402 free( psz_childprefix );
407 vlm_message_t *answer;
412 asprintf( &psz_message, "show %s", psz_name );
413 asprintf( &psz_response, "", psz_name );
414 vlm_ExecuteCommand( p_instance->p_vlm, psz_message, &answer );
415 if( answer->psz_value )
417 libvlc_exception_raise( p_exception, "Unable to call show %s: %s",
418 psz_name, answer->psz_value );
424 psz_response = recurse_answer( "", answer );
428 return(psz_response );