]> git.sesse.net Git - vlc/blobdiff - src/control/mediacontrol_core.c
libvlc event: Make event function thread safe. (And fix a mutex leak)
[vlc] / src / control / mediacontrol_core.c
index 68549705be3f267fee94c7a33b46b265ea851da2..e561b60e558a2cc276f335d8df270d42c6c8091a 100644 (file)
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
-#include <mediacontrol_internal.h>
+#include "mediacontrol_internal.h"
 #include <vlc/mediacontrol.h>
 
-#include <vlc/intf.h>
-#include <vlc/vout.h>
-#include <vlc/aout.h>
-#include <vlc_demux.h>
+#include <vlc/libvlc.h>
+#include <vlc_interface.h>
+#include <vlc_playlist.h>
 
+#include <vlc_vout.h>
+#include <vlc_aout.h>
+#include <vlc_input.h>
 #include <vlc_osd.h>
 
-#define HAS_SNAPSHOT 1
-
-#ifdef HAS_SNAPSHOT
-#include <snapshot.h>
-#endif
-
 #include <stdlib.h>                                      /* malloc(), free() */
 #include <string.h>
 
 #    include <sys/types.h>
 #endif
 
-#define RAISE( c, m )  exception->code = c; \
-                       exception->message = strdup(m);
-
-vlc_t * vlc_current_object( int );
-
-mediacontrol_Instance* mediacontrol_new_from_object( int vlc_object_id,
-                                                     mediacontrol_Exception *exception )
+mediacontrol_Instance* mediacontrol_new( int argc, char** argv, mediacontrol_Exception *exception )
 {
     mediacontrol_Instance* retval;
-    vlc_object_t *p_vlc;
-    vlc_object_t *p_object;
+    libvlc_exception_t ex;
+    char** ppsz_argv = NULL;
+    int i_index;
 
-    p_object = ( vlc_object_t* )vlc_current_object( vlc_object_id );
-    if( ! p_object )
-    {
-        RAISE( mediacontrol_InternalException, "Unable to find vlc object" );
-        return NULL;
-    }
+    libvlc_exception_init( &ex );
+    mediacontrol_exception_init( exception );
 
-    p_vlc = vlc_object_find( p_object, VLC_OBJECT_ROOT, FIND_PARENT );
-    if( ! p_vlc )
-    {
-        RAISE( mediacontrol_InternalException, "Unable to initialize VLC" );
-        return NULL;
-    }
     retval = ( mediacontrol_Instance* )malloc( sizeof( mediacontrol_Instance ) );
-    retval->p_vlc = p_vlc;
-    retval->vlc_object_id = p_vlc->i_object_id;
+    if( !retval ) 
+        RAISE_NULL( mediacontrol_InternalException, "Out of memory" );
+
+    /* Prepend a dummy argv[0] so that users of the API do not have to  
+       do it themselves, and can simply provide the args list. */ 
+    ppsz_argv = malloc( ( argc + 2 ) * sizeof( char * ) ) ; 
+    if( ! ppsz_argv )  
+        RAISE_NULL( mediacontrol_InternalException, "Out of memory" ); 
+                
+    ppsz_argv[0] = strdup("vlc"); 
+    for ( i_index = 0; i_index < argc; i_index++ ) 
+        ppsz_argv[i_index + 1] = argv[i_index]; 
+    ppsz_argv[argc + 1] = NULL; 
+                    
+    retval->p_instance = libvlc_new( argc + 1, ppsz_argv, &ex );
+    retval->p_playlist = retval->p_instance->p_libvlc_int->p_playlist;
+    HANDLE_LIBVLC_EXCEPTION_NULL( &ex );
+    return retval;  
+};
 
-    /* We can keep references on these, which should not change. Is it true ? */
-    retval->p_playlist = vlc_object_find( p_vlc,
-                                        VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
-    retval->p_intf = vlc_object_find( p_vlc, VLC_OBJECT_INTF, FIND_ANYWHERE );
+void
+mediacontrol_exit( mediacontrol_Instance *self )
+{
+    libvlc_exception_t ex;
+    libvlc_exception_init( &ex );
 
-    if( ! retval->p_playlist || ! retval->p_intf )
-    {
-        RAISE( mediacontrol_InternalException, "No available interface" );
-        return NULL;
-    }
-    return retval;
-};
+    libvlc_destroy( self->p_instance, &ex );
+}
 
+libvlc_instance_t*
+mediacontrol_get_libvlc_instance( mediacontrol_Instance *self )
+{
+  return self->p_instance;
+}
+
+mediacontrol_Instance *
+mediacontrol_new_from_instance( libvlc_instance_t* p_instance,
+                               mediacontrol_Exception *exception )
+{
+  mediacontrol_Instance* retval;
+
+  retval = ( mediacontrol_Instance* )malloc( sizeof( mediacontrol_Instance ) );
+  if( ! retval )
+  { 
+      RAISE_NULL( mediacontrol_InternalException, "Out of memory" );
+  }
+  retval->p_instance = p_instance;
+  retval->p_playlist = retval->p_instance->p_libvlc_int->p_playlist;
+  return retval;  
+}
 
 /**************************************************************************
  * Playback management
@@ -106,38 +121,50 @@ mediacontrol_get_media_position( mediacontrol_Instance *self,
                                  const mediacontrol_PositionKey a_key,
                                  mediacontrol_Exception *exception )
 {
-    mediacontrol_Position* retval;
-    vlc_value_t val;
-    input_thread_t * p_input = self->p_playlist->p_input;
+    mediacontrol_Position* retval = NULL;
+    libvlc_exception_t ex;
+    vlc_int64_t pos;
+    libvlc_input_t * p_input;
 
-    exception = mediacontrol_exception_init( exception );
+    mediacontrol_exception_init( exception );
+    libvlc_exception_init( &ex );
 
     retval = ( mediacontrol_Position* )malloc( sizeof( mediacontrol_Position ) );
     retval->origin = an_origin;
     retval->key = a_key;
 
-    if( ! p_input )
-    {
-        RAISE( mediacontrol_InternalException, "No input thread." );
-        return NULL;
-    }
+    p_input = libvlc_playlist_get_input( self->p_instance, &ex);
+    HANDLE_LIBVLC_EXCEPTION_NULL( &ex );
 
     if(  an_origin != mediacontrol_AbsolutePosition )
     {
+        libvlc_input_free( p_input );
         /* Relative or ModuloPosition make no sense */
-        RAISE( mediacontrol_PositionOriginNotSupported, "Only absolute position is valid." );
-        return NULL;
+        RAISE_NULL( mediacontrol_PositionOriginNotSupported,
+                    "Only absolute position is valid." );
     }
 
     /* We are asked for an AbsolutePosition. */
-    val.i_time = 0;
-    var_Get( p_input, "time", &val );
-    /* FIXME: check val.i_time > 0 */
-
-    retval->value = mediacontrol_unit_convert( p_input,
-                                               mediacontrol_MediaTime,
-                                               a_key,
-                                               val.i_time / 1000 );
+    pos = libvlc_input_get_time( p_input, &ex );
+
+    if( a_key == mediacontrol_MediaTime )
+    {
+        retval->value = pos;
+    }
+    else
+    {
+        if( ! self->p_playlist->p_input )
+        {
+            libvlc_input_free( p_input );
+            RAISE_NULL( mediacontrol_InternalException,
+                        "No input" );
+        }
+        retval->value = mediacontrol_unit_convert( self->p_playlist->p_input,
+                                                   mediacontrol_MediaTime,
+                                                   a_key,
+                                                   pos );
+    }
+    libvlc_input_free( p_input );
     return retval;
 }
 
@@ -147,25 +174,20 @@ mediacontrol_set_media_position( mediacontrol_Instance *self,
                                  const mediacontrol_Position * a_position,
                                  mediacontrol_Exception *exception )
 {
-    vlc_value_t val;
-    input_thread_t * p_input = self->p_playlist->p_input;
+    libvlc_input_t * p_input;
+    libvlc_exception_t ex;
+    vlc_int64_t i_pos;
 
-    exception=mediacontrol_exception_init( exception );
-    if( ! p_input )
-    {
-        RAISE( mediacontrol_InternalException, "No input thread." );
-        return;
-    }
+    libvlc_exception_init( &ex );
+    mediacontrol_exception_init( exception );
 
-    if( !var_GetBool( p_input, "seekable" ) )
-    {
-        RAISE( mediacontrol_InvalidPosition, "Stream not seekable" );
-        return;
-    }
+    p_input = libvlc_playlist_get_input( self->p_instance, &ex);
+    HANDLE_LIBVLC_EXCEPTION_VOID( &ex );
 
-    val.i_time = mediacontrol_position2microsecond( p_input, a_position );
-    var_Set( p_input, "time", val );
-    return;
+    i_pos = mediacontrol_position2microsecond( self->p_playlist->p_input, a_position );
+    libvlc_input_set_time( p_input, i_pos / 1000, &ex );
+    libvlc_input_free( p_input );
+    HANDLE_LIBVLC_EXCEPTION_VOID( &ex );
 }
 
 /* Starts playing a stream */
@@ -185,7 +207,7 @@ mediacontrol_start( mediacontrol_Instance *self,
 {
     playlist_t * p_playlist = self->p_playlist;
 
-    exception = mediacontrol_exception_init( exception );
+    mediacontrol_exception_init( exception );
     if( ! p_playlist )
     {
         RAISE( mediacontrol_PlaylistException, "No available playlist" );
@@ -193,28 +215,23 @@ mediacontrol_start( mediacontrol_Instance *self,
     }
 
     vlc_mutex_lock( &p_playlist->object_lock );
-    if( p_playlist->i_size )
+    if( p_playlist->items.i_size )
     {
-        int i_index;
         int i_from;
-       char * psz_from = ( char * )malloc( 20 * sizeof( char ) );
-
-        i_from = mediacontrol_position2microsecond( p_playlist->p_input, a_position ) / 1000000;
-       
-        i_index = p_playlist->i_index;
-        if( i_index < 0 )
-        { 
-            /* We know that there is at least 1 element, since i_size != 0 */
-            i_index = 0;
-        }
+        char *psz_from = NULL;
 
-        /* Set start time */
-       snprintf( psz_from, 20, "start-time=%i", i_from );
-       playlist_ItemAddOption( p_playlist->pp_items[i_index], psz_from );
-       free( psz_from );
+        psz_from = ( char * )malloc( 20 * sizeof( char ) );
+        if( psz_from && p_playlist->status.p_item )
+        {
+            i_from = mediacontrol_position2microsecond( p_playlist->p_input, a_position ) / 1000000;
 
-        vlc_mutex_unlock( &p_playlist->object_lock );
+            /* Set start time */
+            snprintf( psz_from, 20, "start-time=%i", i_from );
+            input_ItemAddOption( p_playlist->status.p_item->p_input, psz_from );
+            free( psz_from );
+        }
 
+        vlc_mutex_unlock( &p_playlist->object_lock );
         playlist_Play( p_playlist );
     }
     else
@@ -222,8 +239,6 @@ mediacontrol_start( mediacontrol_Instance *self,
         RAISE( mediacontrol_PlaylistException, "Empty playlist." );
         vlc_mutex_unlock( &p_playlist->object_lock );
     }
-
-    return;
 }
 
 void
@@ -234,7 +249,7 @@ mediacontrol_pause( mediacontrol_Instance *self,
     input_thread_t *p_input = self->p_playlist->p_input;
 
     /* FIXME: use the a_position parameter */
-    exception=mediacontrol_exception_init( exception );
+    mediacontrol_exception_init( exception );
     if( p_input != NULL )
     {
         var_SetInteger( p_input, "state", PAUSE_S );
@@ -243,8 +258,6 @@ mediacontrol_pause( mediacontrol_Instance *self,
     {
         RAISE( mediacontrol_InternalException, "No input" );
     }
-
-    return;
 }
 
 void
@@ -255,7 +268,7 @@ mediacontrol_resume( mediacontrol_Instance *self,
     input_thread_t *p_input = self->p_playlist->p_input;
 
     /* FIXME: use the a_position parameter */
-    exception=mediacontrol_exception_init( exception );
+    mediacontrol_exception_init( exception );
     if( p_input != NULL )
     {
         var_SetInteger( p_input, "state", PAUSE_S );
@@ -272,14 +285,13 @@ mediacontrol_stop( mediacontrol_Instance *self,
                    mediacontrol_Exception *exception )
 {
     /* FIXME: use the a_position parameter */
-    exception=mediacontrol_exception_init( exception );
+    mediacontrol_exception_init( exception );
     if( !self->p_playlist )
     {
         RAISE( mediacontrol_PlaylistException, "No playlist" );
-        return;
     }
-
-    playlist_Stop( self->p_playlist );
+    else
+        playlist_Stop( self->p_playlist );
 }
 
 /**************************************************************************
@@ -291,59 +303,51 @@ mediacontrol_playlist_add_item( mediacontrol_Instance *self,
                                 const char * psz_file,
                                 mediacontrol_Exception *exception )
 {
-    exception=mediacontrol_exception_init( exception );
-    if( !self->p_playlist )
-    {
-        RAISE( mediacontrol_InternalException, "No playlist" );
-        return;
-    }
+    libvlc_exception_t ex;
+
+    mediacontrol_exception_init( exception );
+    libvlc_exception_init( &ex );
 
-    playlist_Add( self->p_playlist, psz_file, psz_file , PLAYLIST_INSERT,
-                  PLAYLIST_END );
+    libvlc_playlist_add( self->p_instance, psz_file, psz_file, &ex );
+    HANDLE_LIBVLC_EXCEPTION_VOID( &ex );
 }
 
 void
 mediacontrol_playlist_next_item( mediacontrol_Instance *self,
-                                mediacontrol_Exception *exception )
+                                 mediacontrol_Exception *exception )
 {
-    exception=mediacontrol_exception_init( exception );
-    if ( !self->p_playlist )
-    {
-        RAISE( mediacontrol_InternalException, "No playlist" );
-        return;
-    }
+    libvlc_exception_t ex;
 
-    playlist_Next( self->p_playlist );
+    mediacontrol_exception_init( exception );
+    libvlc_exception_init( &ex );
 
-    return;
+    libvlc_playlist_next( self->p_instance, &ex );
+    HANDLE_LIBVLC_EXCEPTION_VOID( &ex );
 }
 
 void
 mediacontrol_playlist_clear( mediacontrol_Instance *self,
                              mediacontrol_Exception *exception )
 {
-    exception=mediacontrol_exception_init( exception );
-    if( !self->p_playlist )
-    {
-        RAISE( mediacontrol_PlaylistException, "No playlist" );
-        return;
-    }
+    libvlc_exception_t ex;
 
-    playlist_Clear( self->p_playlist );
+    mediacontrol_exception_init( exception );
+    libvlc_exception_init( &ex );
 
-    return;
+    libvlc_playlist_clear( self->p_instance, &ex );
+    HANDLE_LIBVLC_EXCEPTION_VOID( &ex );
 }
 
 mediacontrol_PlaylistSeq *
 mediacontrol_playlist_get_list( mediacontrol_Instance *self,
                                 mediacontrol_Exception *exception )
 {
-    mediacontrol_PlaylistSeq *retval;
+    mediacontrol_PlaylistSeq *retval = NULL;
     int i_index;
     playlist_t * p_playlist = self->p_playlist;
     int i_playlist_size;
 
-    exception=mediacontrol_exception_init( exception );
+    mediacontrol_exception_init( exception );
     if( !p_playlist )
     {
         RAISE( mediacontrol_PlaylistException, "No playlist" );
@@ -351,13 +355,13 @@ mediacontrol_playlist_get_list( mediacontrol_Instance *self,
     }
 
     vlc_mutex_lock( &p_playlist->object_lock );
-    i_playlist_size = p_playlist->i_size;
+    i_playlist_size = p_playlist->current.i_size;
 
     retval = mediacontrol_PlaylistSeq__alloc( i_playlist_size );
 
     for( i_index = 0 ; i_index < i_playlist_size ; i_index++ )
     {
-        retval->data[i_index] = strdup( p_playlist->pp_items[i_index]->input.psz_uri );
+        retval->data[i_index] = strdup( ARRAY_VAL(p_playlist->current, i_index)->p_input->psz_uri );
     }
     vlc_mutex_unlock( &p_playlist->object_lock );
 
@@ -373,11 +377,12 @@ mediacontrol_get_stream_information( mediacontrol_Instance *self,
                                      mediacontrol_PositionKey a_key,
                                      mediacontrol_Exception *exception )
 {
-    mediacontrol_StreamInformation *retval;
+    mediacontrol_StreamInformation *retval = NULL;
     input_thread_t *p_input = self->p_playlist->p_input;
     vlc_value_t val;
 
-    retval = ( mediacontrol_StreamInformation* )malloc( sizeof( mediacontrol_StreamInformation ) );
+    retval = ( mediacontrol_StreamInformation* )
+                            malloc( sizeof( mediacontrol_StreamInformation ) );
     if( ! retval )
     {
         RAISE( mediacontrol_InternalException, "Out of memory" );
@@ -413,7 +418,7 @@ mediacontrol_get_stream_information( mediacontrol_Instance *self,
             break;
         }
 
-        retval->url = strdup( p_input->input.p_item->psz_uri );
+        retval->url = strdup( input_GetItem(p_input)->psz_uri );
 
         /* TIME and LENGTH are in microseconds. We want them in ms */
         var_Get( p_input, "time", &val);
@@ -423,11 +428,11 @@ mediacontrol_get_stream_information( mediacontrol_Instance *self,
         retval->length = val.i_time / 1000;
 
         retval->position = mediacontrol_unit_convert( p_input,
-                                                      mediacontrol_MediaTime, a_key,
-                                                      retval->position );
+                                         mediacontrol_MediaTime, a_key,
+                                         retval->position );
         retval->length   = mediacontrol_unit_convert( p_input,
-                                                      mediacontrol_MediaTime, a_key,
-                                                      retval->length );
+                                         mediacontrol_MediaTime, a_key,
+                                         retval->length );
     }
     return retval;
 }