]> git.sesse.net Git - vlc/blobdiff - src/control/media_instance.c
Removes trailing spaces. Removes tabs.
[vlc] / src / control / media_instance.c
index 968c1395e56eca90e421258a965a65d19b4e34dc..6f10e14f8d5aeb5ceb00ac8f9aa446aa9d2682ea 100644 (file)
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
-#include "libvlc_internal.h"
 #include <vlc/libvlc.h>
 #include <vlc_demux.h>
 #include <vlc_input.h>
 #include "input/input_internal.h"
+#include "libvlc_internal.h"
 
 /*
  * Release the associated input thread
  *
  * Object lock is NOT held.
  */
-static void release_input_thread( libvlc_media_instance_t *p_mi ) 
+static void release_input_thread( libvlc_media_instance_t *p_mi )
 {
     input_thread_t *p_input_thread;
     vlc_bool_t should_destroy;
@@ -48,7 +48,7 @@ static void release_input_thread( libvlc_media_instance_t *p_mi )
 
     if( !p_input_thread )
         return;
-
     /* release for previous vlc_object_get */
     vlc_object_release( p_input_thread );
 
@@ -59,7 +59,12 @@ static void release_input_thread( libvlc_media_instance_t *p_mi )
 
     /* No one is tracking this input_thread appart us. Destroy it */
     if( should_destroy )
+    {
+        /* We owned this one */
+        input_StopThread( p_input_thread );
+        var_Destroy( p_input_thread, "drawable" );
         input_DestroyThread( p_input_thread );
+    }
     else
     {
         /* XXX: hack the playlist doesn't retain the input thread,
@@ -76,7 +81,7 @@ static void release_input_thread( libvlc_media_instance_t *p_mi )
  * Object lock is held.
  */
 input_thread_t *libvlc_get_input_thread( libvlc_media_instance_t *p_mi,
-                                         libvlc_exception_t *p_e ) 
+                                         libvlc_exception_t *p_e )
 {
     input_thread_t *p_input_thread;
 
@@ -101,13 +106,79 @@ input_thread_t *libvlc_get_input_thread( libvlc_media_instance_t *p_mi,
     return p_input_thread;
 }
 
+/*
+ * input_state_changed (Private) (input var "state" Callback)
+ */
+static int
+input_state_changed( vlc_object_t * p_this, char const * psz_cmd,
+                     vlc_value_t oldval, vlc_value_t newval,
+                     void * p_userdata )
+{
+    libvlc_media_instance_t * p_mi = p_userdata;
+    libvlc_event_t event;
+
+    if( newval.i_int == oldval.i_int )
+        return VLC_SUCCESS; /* No change since last time, don't propagate */
+
+    switch ( newval.i_int )
+    {
+        case END_S:
+            event.type = libvlc_MediaInstanceReachedEnd;
+            break;
+        case PAUSE_S:
+            event.type = libvlc_MediaInstancePaused;
+            break;
+        case PLAYING_S:
+            event.type = libvlc_MediaInstancePlayed;
+            break;
+        default:
+            return VLC_SUCCESS;
+    }
+
+    libvlc_event_send( p_mi->p_event_manager, &event );
+    return VLC_SUCCESS;
+}
+
+/*
+ * input_position_changed (Private) (input var "intf-change" Callback)
+ */
+static int
+input_position_changed( vlc_object_t * p_this, char const * psz_cmd,
+                     vlc_value_t oldval, vlc_value_t newval,
+                     void * p_userdata )
+{
+    libvlc_media_instance_t * p_mi = p_userdata;
+    vlc_value_t val;
+    if (!strcmp(psz_cmd, "intf" /* "-change" no need to go further */))
+    {
+        input_thread_t * p_input = (input_thread_t *)p_this;
+        var_Get( p_input, "position", &val );
+
+        if ((val.i_time % I64C(500000)) != 0)
+            return VLC_SUCCESS; /* No need to have a better precision */
+        var_Get( p_input, "state", &val );
+
+        if( val.i_int != PLAYING_S )
+            return VLC_SUCCESS; /* Don't send the position while stopped */
+    }
+    else
+        val.i_time = newval.i_time;
+
+    libvlc_event_t event;
+    event.type = libvlc_MediaInstancePositionChanged;
+    event.u.media_instance_position_changed.new_position = val.i_time;
+
+    libvlc_event_send( p_mi->p_event_manager, &event );
+    return VLC_SUCCESS;
+}
 
 /**************************************************************************
  * Create a Media Instance object
  **************************************************************************/
 libvlc_media_instance_t *
 libvlc_media_instance_new( libvlc_instance_t * p_libvlc_instance,
-                           libvlc_exception_t *p_e )
+                           libvlc_exception_t * p_e )
 {
     libvlc_media_instance_t * p_mi;
 
@@ -119,6 +190,7 @@ libvlc_media_instance_new( libvlc_instance_t * p_libvlc_instance,
 
     p_mi = malloc( sizeof(libvlc_media_instance_t) );
     p_mi->p_md = NULL;
+    p_mi->drawable = 0;
     p_mi->p_libvlc_instance = p_libvlc_instance;
     p_mi->i_input_id = -1;
     /* refcount strategy:
@@ -133,6 +205,16 @@ libvlc_media_instance_new( libvlc_instance_t * p_libvlc_instance,
      * - Lock when attempting to destroy the object the lock is also held */
     vlc_mutex_init( p_mi->p_libvlc_instance->p_libvlc_int,
                     &p_mi->object_lock );
+    p_mi->p_event_manager = libvlc_event_manager_new( p_mi,
+            p_libvlc_instance, p_e );
+    if( libvlc_exception_raised( p_e ) )
+    {
+        free( p_mi );
+        return NULL;
+    }
+    libvlc_event_manager_register_event_type( p_mi->p_event_manager,
+            libvlc_MediaInstanceReachedEnd, p_e );
 
     return p_mi;
 }
@@ -146,22 +228,13 @@ libvlc_media_instance_new_from_media_descriptor(
                                     libvlc_exception_t *p_e )
 {
     libvlc_media_instance_t * p_mi;
+    p_mi = libvlc_media_instance_new( p_md->p_libvlc_instance, p_e );
 
-    if( !p_md )
-    {
-        libvlc_exception_raise( p_e, "invalid media descriptor" );
+    if( !p_mi )
         return NULL;
-    }
 
-    p_mi = malloc( sizeof(libvlc_media_instance_t) );
-    p_mi->p_md = libvlc_media_descriptor_duplicate( p_md );
-    p_mi->p_libvlc_instance = p_mi->p_md->p_libvlc_instance;
-    p_mi->i_input_id = -1;
-    /* same strategy as before */
-    p_mi->i_refcount = 1;
-    /* same strategy as before */
-    vlc_mutex_init( p_mi->p_libvlc_instance->p_libvlc_int,
-                    &p_mi->object_lock );
+    libvlc_media_descriptor_retain( p_md );
+    p_mi->p_md = p_md;
 
     return p_mi;
 }
@@ -182,25 +255,23 @@ libvlc_media_instance_t * libvlc_media_instance_new_from_input_thread(
         return NULL;
     }
 
-    p_mi = malloc( sizeof(libvlc_media_instance_t) );
+    p_mi = libvlc_media_instance_new( p_libvlc_instance, p_e );
+
+    if( !p_mi )
+        return NULL;
+
     p_mi->p_md = libvlc_media_descriptor_new_from_input_item(
                     p_libvlc_instance,
                     p_input->p->input.p_item, p_e );
 
     if( !p_mi->p_md )
     {
-        free( p_mi );
+        libvlc_media_instance_destroy( p_mi );
         return NULL;
     }
 
-    p_mi->p_libvlc_instance = p_libvlc_instance;
     p_mi->i_input_id = p_input->i_object_id;
-    /* same strategy as before */
-    p_mi->i_refcount = 1;
-    /* same strategy as before */
-    vlc_mutex_init( p_mi->p_libvlc_instance->p_libvlc_int,
-                    &p_mi->object_lock );
-
     /* will be released in media_instance_release() */
     vlc_object_yield( p_input );
 
@@ -229,11 +300,16 @@ void libvlc_media_instance_destroy( libvlc_media_instance_t *p_mi )
     p_input_thread = libvlc_get_input_thread( p_mi, &p_e );
 
     if( libvlc_exception_raised( &p_e ) )
+    {
+        libvlc_event_manager_release( p_mi->p_event_manager );
+        free( p_mi );
         return; /* no need to worry about no input thread */
-    
+    }
+    vlc_mutex_destroy( &p_mi->object_lock );
+
     input_DestroyThread( p_input_thread );
 
-    libvlc_media_descriptor_destroy( p_mi->p_md );
+    libvlc_media_descriptor_release( p_mi->p_md );
 
     free( p_mi );
 }
@@ -247,25 +323,36 @@ void libvlc_media_instance_release( libvlc_media_instance_t *p_mi )
         return;
 
     vlc_mutex_lock( &p_mi->object_lock );
-    
     p_mi->i_refcount--;
 
-    /* We hold the mutex, as a waiter to make sure pending operations
-     * are finished. We can't hold it longer as the get_input_thread
-     * function holds a lock.  */
-
-    vlc_mutex_unlock( &p_mi->object_lock );
-    
     if( p_mi->i_refcount > 0 )
+    {
+        vlc_mutex_unlock( &p_mi->object_lock );
         return;
+    }
+    vlc_mutex_unlock( &p_mi->object_lock );
+    vlc_mutex_destroy( &p_mi->object_lock );
 
+    libvlc_event_manager_release( p_mi->p_event_manager );
     release_input_thread( p_mi );
 
-    libvlc_media_descriptor_destroy( p_mi->p_md );
+    libvlc_media_descriptor_release( p_mi->p_md );
 
     free( p_mi );
 }
 
+/**************************************************************************
+ * Retain a Media Instance object
+ **************************************************************************/
+void libvlc_media_instance_retain( libvlc_media_instance_t *p_mi )
+{
+    if( !p_mi )
+        return;
+
+    p_mi->i_refcount++;
+}
 /**************************************************************************
  * Set the Media descriptor associated with the instance
  **************************************************************************/
@@ -280,10 +367,10 @@ void libvlc_media_instance_set_media_descriptor(
         return;
 
     vlc_mutex_lock( &p_mi->object_lock );
-    
+
     release_input_thread( p_mi );
 
-    libvlc_media_descriptor_destroy( p_mi->p_md );
+    libvlc_media_descriptor_release( p_mi->p_md );
 
     if( !p_md )
     {
@@ -292,8 +379,9 @@ void libvlc_media_instance_set_media_descriptor(
         return; /* It is ok to pass a NULL md */
     }
 
-    p_mi->p_md = libvlc_media_descriptor_duplicate( p_md );
-    
+    libvlc_media_descriptor_retain( p_md );
+    p_mi->p_md = p_md;
     /* The policy here is to ignore that we were created using a different
      * libvlc_instance, because we don't really care */
     p_mi->p_libvlc_instance = p_md->p_libvlc_instance;
@@ -302,7 +390,7 @@ void libvlc_media_instance_set_media_descriptor(
 }
 
 /**************************************************************************
- * Set the Media descriptor associated with the instance
+ * Get the Media descriptor associated with the instance
  **************************************************************************/
 libvlc_media_descriptor_t *
 libvlc_media_instance_get_media_descriptor(
@@ -314,7 +402,21 @@ libvlc_media_instance_get_media_descriptor(
     if( !p_mi->p_md )
         return NULL;
 
-    return libvlc_media_descriptor_duplicate( p_mi->p_md );
+    libvlc_media_descriptor_retain( p_mi->p_md );
+    return p_mi->p_md;
+}
+
+/**************************************************************************
+ * Get the event Manager
+ **************************************************************************/
+libvlc_event_manager_t *
+libvlc_media_instance_event_manager(
+                            libvlc_media_instance_t *p_mi,
+                            libvlc_exception_t *p_e )
+{
+    (void)p_e;
+
+    return p_mi->p_event_manager;
 }
 
 /**************************************************************************
@@ -325,9 +427,9 @@ void libvlc_media_instance_play( libvlc_media_instance_t *p_mi,
 {
     input_thread_t * p_input_thread;
 
-    if( (p_input_thread = libvlc_get_input_thread( p_mi, p_e )) ) 
+    if( (p_input_thread = libvlc_get_input_thread( p_mi, p_e )) )
     {
-        /* A thread alread exists, send it a play message */        
+        /* A thread alread exists, send it a play message */
         vlc_value_t val;
         val.i_int = PLAYING_S;
 
@@ -336,8 +438,11 @@ void libvlc_media_instance_play( libvlc_media_instance_t *p_mi,
         return;
     }
 
+    /* Ignore previous exception */
+    libvlc_exception_clear( p_e );
+
     vlc_mutex_lock( &p_mi->object_lock );
-    
     if( !p_mi->p_md )
     {
         libvlc_exception_raise( p_e, "no associated media descriptor" );
@@ -349,6 +454,16 @@ void libvlc_media_instance_play( libvlc_media_instance_t *p_mi,
                                          p_mi->p_md->p_input_item );
     p_mi->i_input_id = p_input_thread->i_object_id;
 
+    if( p_mi->drawable )
+    {
+        vlc_value_t val;
+        val.i_int = p_mi->drawable;
+        var_Create( p_input_thread, "drawable", VLC_VAR_DOINHERIT );
+        var_Set( p_input_thread, "drawable", val );
+    }
+    var_AddCallback( p_input_thread, "state", input_state_changed, p_mi );
+    var_AddCallback( p_input_thread, "intf-change", input_position_changed, p_mi );
+
     /* will be released in media_instance_release() */
     vlc_object_yield( p_input_thread );
 
@@ -374,6 +489,25 @@ void libvlc_media_instance_pause( libvlc_media_instance_t *p_mi,
     vlc_object_release( p_input_thread );
 }
 
+/**************************************************************************
+ * Stop
+ **************************************************************************/
+void libvlc_media_instance_stop( libvlc_media_instance_t *p_mi,
+                                 libvlc_exception_t *p_e )
+{
+    //libvlc_exception_raise( p_e, "Not implemented" );
+}
+
+/**************************************************************************
+ * Set Drawable
+ **************************************************************************/
+void libvlc_media_instance_set_drawable( libvlc_media_instance_t *p_mi,
+                                         libvlc_drawable_t drawable,
+                                         libvlc_exception_t *p_e )
+{
+    p_mi->drawable = drawable;
+}
+
 /**************************************************************************
  * Getters for stream information
  **************************************************************************/
@@ -430,7 +564,7 @@ void libvlc_media_instance_set_time(
 void libvlc_media_instance_set_position(
                                 libvlc_media_instance_t *p_mi,
                                 float position,
-                                libvlc_exception_t *p_e ) 
+                                libvlc_exception_t *p_e )
 {
     input_thread_t *p_input_thread;
     vlc_value_t val;
@@ -463,7 +597,7 @@ float libvlc_media_instance_get_position(
 
 float libvlc_media_instance_get_fps(
                                  libvlc_media_instance_t *p_mi,
-                                 libvlc_exception_t *p_e) 
+                                 libvlc_exception_t *p_e)
 {
     double f_fps = 0.0;
     input_thread_t *p_input_thread;
@@ -488,14 +622,14 @@ float libvlc_media_instance_get_fps(
 
 vlc_bool_t libvlc_media_instance_will_play(
                                  libvlc_media_instance_t *p_mi,
-                                 libvlc_exception_t *p_e) 
+                                 libvlc_exception_t *p_e)
 {
     input_thread_t *p_input_thread =
                             libvlc_get_input_thread ( p_mi, p_e);
     if ( !p_input_thread )
         return VLC_FALSE;
 
-    if ( !p_input_thread->b_die && !p_input_thread->b_dead ) 
+    if ( !p_input_thread->b_die && !p_input_thread->b_dead )
     {
         vlc_object_release( p_input_thread );
         return VLC_TRUE;
@@ -507,7 +641,7 @@ vlc_bool_t libvlc_media_instance_will_play(
 void libvlc_media_instance_set_rate(
                                  libvlc_media_instance_t *p_mi,
                                  float rate,
-                                 libvlc_exception_t *p_e ) 
+                                 libvlc_exception_t *p_e )
 {
     input_thread_t *p_input_thread;
     vlc_value_t val;
@@ -558,4 +692,3 @@ int libvlc_media_instance_get_state(
 
     return val.i_int;
 }
-