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>
27 #include <vlc_input.h>
31 /* local function to be used in libvlc_vlm_show_media only */
32 static char* recurse_answer( char* psz_prefix, vlm_message_t *p_answer ) {
33 char* psz_childprefix;
34 char* psz_response="";
37 vlm_message_t *aw_child, **paw_child;
39 asprintf( &psz_childprefix, "%s%s.", psz_prefix, p_answer->psz_name );
41 if ( p_answer->i_child )
43 paw_child = p_answer->child;
44 aw_child = *( paw_child );
45 for( i = 0; i < p_answer->i_child; i++ )
47 asprintf( &response_tmp, "%s%s%s:%s\n",
48 psz_response, psz_prefix, aw_child->psz_name,
49 aw_child->psz_value );
51 psz_response = response_tmp;
52 if ( aw_child->i_child )
54 asprintf(&response_tmp, "%s%s", psz_response,
55 recurse_answer(psz_childprefix, aw_child));
57 psz_response = response_tmp;
60 aw_child = *( paw_child );
63 free( psz_childprefix );
67 char* libvlc_vlm_show_media( libvlc_instance_t *p_instance, char *psz_name,
68 libvlc_exception_t *p_exception )
71 vlm_message_t *answer;
76 asprintf( &psz_message, "show %s", psz_name );
77 asprintf( &psz_response, "", psz_name );
78 vlm_ExecuteCommand( p_instance->p_vlm, psz_message, &answer );
79 if( answer->psz_value )
81 libvlc_exception_raise( p_exception, "Unable to call show %s: %s",
82 psz_name, answer->psz_value );
88 psz_response = recurse_answer( "", answer );
92 return(psz_response );
98 static int libvlc_vlm_init( libvlc_instance_t *p_instance,
99 libvlc_exception_t *p_exception )
102 if( !p_instance->p_vlm )
103 p_instance->p_vlm = vlm_New( p_instance->p_libvlc_int );
106 if( !p_instance->p_vlm )
108 libvlc_exception_raise( p_exception,
109 "Unable to create VLM. It might be disabled." );
114 #define VLM_RET(p,ret) do { \
115 if( libvlc_vlm_init( p_instance, p_exception ) ) return ret;\
116 (p) = p_instance->p_vlm; \
118 #define VLM(p) VLM_RET(p,)
120 void libvlc_vlm_add_broadcast( libvlc_instance_t *p_instance, char *psz_name,
121 char *psz_input, char *psz_output,
122 int i_options, char **ppsz_options,
123 int b_enabled, int b_loop,
124 libvlc_exception_t *p_exception )
132 vlm_media_Init( &m );
133 m.psz_name = strdup( psz_name );
134 m.b_enabled = b_enabled;
136 m.broadcast.b_loop = b_loop;
138 TAB_APPEND( m.i_input, m.ppsz_input, strdup(psz_input) );
140 m.psz_output = strdup( psz_output );
141 for( n = 0; n < i_options; n++ )
142 TAB_APPEND( m.i_option, m.ppsz_option, strdup(ppsz_options[n]) );
144 if( vlm_Control( p_vlm, VLM_ADD_MEDIA, &m, NULL ) )
146 vlm_media_Clean( &m );
147 libvlc_exception_raise( p_exception, "Media %s creation failed", psz_name );
149 vlm_media_Clean( &m );
152 void libvlc_vlm_del_media( libvlc_instance_t *p_instance, char *psz_name,
153 libvlc_exception_t *p_exception )
160 if( vlm_Control( p_vlm, VLM_GET_MEDIA_ID, psz_name, &id ) ||
161 vlm_Control( p_vlm, VLM_DEL_MEDIA, id ) )
163 libvlc_exception_raise( p_exception, "Unable to delete %s", psz_name );
167 #define VLM_CHANGE(psz_error, code ) do { \
168 vlm_media_t *p_media; \
172 if( vlm_Control( p_vlm, VLM_GET_MEDIA_ID, psz_name, &id ) || \
173 vlm_Control( p_vlm, VLM_GET_MEDIA, id, &p_media ) ) { \
174 libvlc_exception_raise( p_exception, psz_error, psz_name ); \
177 if( !p_media ) goto error; \
181 if( vlm_Control( p_vlm, VLM_CHANGE_MEDIA, p_media ) ) { \
182 vlm_media_Delete( p_media ); \
185 vlm_media_Delete( p_media ); \
188 libvlc_exception_raise( p_exception, psz_error, psz_name );\
191 void libvlc_vlm_set_enabled( libvlc_instance_t *p_instance, char *psz_name,
192 int b_enabled, libvlc_exception_t *p_exception )
194 #define VLM_CHANGE_CODE { p_media->b_enabled = b_enabled; }
195 VLM_CHANGE( "Unable to delete %s", VLM_CHANGE_CODE );
196 #undef VLM_CHANGE_CODE
199 void libvlc_vlm_set_loop( libvlc_instance_t *p_instance, char *psz_name,
200 int b_loop, libvlc_exception_t *p_exception )
202 #define VLM_CHANGE_CODE { p_media->broadcast.b_loop = b_loop; }
203 VLM_CHANGE( "Unable to change %s loop property", VLM_CHANGE_CODE );
204 #undef VLM_CHANGE_CODE
207 void libvlc_vlm_set_output( libvlc_instance_t *p_instance, char *psz_name,
208 char *psz_output, libvlc_exception_t *p_exception )
210 #define VLM_CHANGE_CODE { if( p_media->psz_output ) free( p_media->psz_output ); \
211 p_media->psz_output = strdup( psz_output ); }
212 VLM_CHANGE( "Unable to change %s output property", VLM_CHANGE_CODE );
213 #undef VLM_CHANGE_CODE
216 void libvlc_vlm_set_input( libvlc_instance_t *p_instance, char *psz_name,
217 char *psz_input, libvlc_exception_t *p_exception )
219 #define VLM_CHANGE_CODE { while( p_media->i_input > 0 ) \
220 free( p_media->ppsz_input[--p_media->i_input] );\
221 TAB_APPEND( p_media->i_input, p_media->ppsz_input, strdup(psz_input) ); }
222 VLM_CHANGE( "Unable to change %s input property", VLM_CHANGE_CODE );
223 #undef VLM_CHANGE_CODE
226 void libvlc_vlm_add_input( libvlc_instance_t *p_instance, char *psz_name,
227 char *psz_input, libvlc_exception_t *p_exception )
229 #define VLM_CHANGE_CODE { TAB_APPEND( p_media->i_input, p_media->ppsz_input, strdup(psz_input) ); }
230 VLM_CHANGE( "Unable to change %s input property", VLM_CHANGE_CODE );
231 #undef VLM_CHANGE_CODE
235 void libvlc_vlm_change_media( libvlc_instance_t *p_instance, char *psz_name,
236 char *psz_input, char *psz_output, int i_options,
237 char **ppsz_options, int b_enabled, int b_loop,
238 libvlc_exception_t *p_exception )
240 #define VLM_CHANGE_CODE { int n; \
241 p_media->b_enabled = b_enabled; \
242 p_media->broadcast.b_loop = b_loop; \
243 while( p_media->i_input > 0 ) \
244 free( p_media->ppsz_input[--p_media->i_input] ); \
246 TAB_APPEND( p_media->i_input, p_media->ppsz_input, strdup(psz_input) ); \
247 if( p_media->psz_output ) \
248 free( p_media->psz_output ); \
249 p_media->psz_output = psz_output ? strdup( psz_output ) : NULL; \
250 while( p_media->i_option > 0 ) \
251 free( p_media->ppsz_option[--p_media->i_option] ); \
252 for( n = 0; n < i_options; n++ ) \
253 TAB_APPEND( p_media->i_option, p_media->ppsz_option, strdup(ppsz_options[n]) ); \
255 VLM_CHANGE( "Unable to change %s properties", VLM_CHANGE_CODE );
256 #undef VLM_CHANGE_CODE
259 void libvlc_vlm_play_media( libvlc_instance_t *p_instance, char *psz_name,
260 libvlc_exception_t *p_exception )
268 if( vlm_Control( p_vlm, VLM_GET_MEDIA_ID, psz_name, &id ) ||
269 vlm_Control( p_vlm, VLM_START_MEDIA_BROADCAST_INSTANCE, id, NULL, 0 ) )
271 libvlc_exception_raise( p_exception, "Unable to play %s", psz_name );
275 void libvlc_vlm_stop_media( libvlc_instance_t *p_instance, char *psz_name,
276 libvlc_exception_t *p_exception )
284 if( vlm_Control( p_vlm, VLM_GET_MEDIA_ID, psz_name, &id ) ||
285 vlm_Control( p_vlm, VLM_STOP_MEDIA_INSTANCE, id, NULL ) )
287 libvlc_exception_raise( p_exception, "Unable to stop %s", psz_name );
291 void libvlc_vlm_pause_media( libvlc_instance_t *p_instance, char *psz_name,
292 libvlc_exception_t *p_exception )
300 if( vlm_Control( p_vlm, VLM_GET_MEDIA_ID, psz_name, &id ) ||
301 vlm_Control( p_vlm, VLM_PAUSE_MEDIA_INSTANCE, id, NULL ) )
303 libvlc_exception_raise( p_exception, "Unable to pause %s", psz_name );
307 void libvlc_vlm_seek_media( libvlc_instance_t *p_instance, char *psz_name,
308 float f_percentage, libvlc_exception_t *p_exception )
316 if( vlm_Control( p_vlm, VLM_GET_MEDIA_ID, psz_name, &id ) ||
317 vlm_Control( p_vlm, VLM_SET_MEDIA_INSTANCE_POSITION, id, NULL, f_percentage ) )
319 libvlc_exception_raise( p_exception, "Unable to seek %s to %f", psz_name, f_percentage );
323 static vlm_media_instance_t *libvlc_vlm_get_media_instance( libvlc_instance_t *p_instance,
324 char *psz_name, int i_minstance_idx,
325 libvlc_exception_t *p_exception )
328 vlm_media_instance_t **pp_minstance;
329 vlm_media_instance_t *p_minstance;
333 VLM_RET(p_vlm, NULL);
335 if( vlm_Control( p_vlm, VLM_GET_MEDIA_ID, psz_name, &id ) ||
336 vlm_Control( p_vlm, VLM_GET_MEDIA_INSTANCES, id, &pp_minstance, &i_minstance ) )
338 libvlc_exception_raise( p_exception, "Unable to get %s instances", psz_name );
342 if( i_minstance_idx >= 0 && i_minstance_idx < i_minstance )
344 p_minstance = pp_minstance[i_minstance_idx];
345 TAB_REMOVE( i_minstance, pp_minstance, p_minstance );
347 while( i_minstance > 0 )
348 vlm_media_instance_Delete( pp_minstance[--i_minstance] );
349 TAB_CLEAN( i_minstance, pp_minstance );
353 #define LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( attr, returnType, getType, ret, code )\
354 returnType libvlc_vlm_get_media_## attr( libvlc_instance_t *p_instance, \
355 char *psz_name, int i_instance, libvlc_exception_t *p_exception ) \
357 vlm_media_instance_t *p_mi = libvlc_vlm_get_media_instance( p_instance, psz_name, i_instance, \
360 returnType ret_value; \
362 vlm_media_instance_Delete( p_mi ); \
365 libvlc_exception_raise( p_exception, "Unable to get %s "#attr "attribute" ); \
369 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( position, float, Float, -1, ret_value = p_mi->d_position; );
370 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( time, int, Integer, -1, ret_value = p_mi->i_time );
371 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( length, int, Integer, -1, ret_value = p_mi->i_length );
372 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( rate, int, Integer, -1, ret_value = p_mi->i_rate );
373 /* FIXME extend vlm_media_instance_t to be able to implement them */
374 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( title, int, Integer, 0, ret_value = 0 );
375 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( chapter, int, Integer, 0, ret_value = 0 );
376 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( seekable, int, Bool, 0, ret_value = VLC_FALSE );
378 #undef LIBVLC_VLM_GET_MEDIA_ATTRIBUTE
380 char* libvlc_vlm_show_media( libvlc_instance_t *p_instance, char *psz_name,
381 libvlc_exception_t *p_exception )
383 /* FIXME is it needed ? */
384 libvlc_exception_raise( p_exception, "Unable to call show %s", psz_name );