X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fcontrol%2Fmedia.c;h=3f39841bd785178383c386cbd6a5f11e6156e822;hb=12ade3e3bc975d5426ba4af155b7372c31093b31;hp=566ce11b24b1a2aac6e4a45531946b00b78378c9;hpb=ad77d955a5dc051976d94d6e08ee0f717ec3a938;p=vlc

diff --git a/src/control/media.c b/src/control/media.c
index 566ce11b24..3f39841bd7 100644
--- a/src/control/media.c
+++ b/src/control/media.c
@@ -25,6 +25,8 @@
 # include "config.h"
 #endif
 
+#include <assert.h>
+
 #include <vlc/libvlc.h>
 #include <vlc/libvlc_media.h>
 #include <vlc/libvlc_media_list.h> // For the subitems, here for convenience
@@ -34,6 +36,7 @@
 #include <vlc_input.h>
 #include <vlc_meta.h>
 #include <vlc_playlist.h> /* For the preparser */
+#include <vlc_url.h>
 
 #include "libvlc.h"
 
@@ -94,17 +97,17 @@ static void input_item_subitem_added( const vlc_event_t *p_event,
 
     p_md_child = libvlc_media_new_from_input_item(
                 p_md->p_libvlc_instance,
-                p_event->u.input_item_subitem_added.p_new_child, NULL );
+                p_event->u.input_item_subitem_added.p_new_child );
 
     /* Add this to our media list */
     if( !p_md->p_subitems )
     {
-        p_md->p_subitems = libvlc_media_list_new( p_md->p_libvlc_instance, NULL );
-        libvlc_media_list_set_media( p_md->p_subitems, p_md, NULL );
+        p_md->p_subitems = libvlc_media_list_new( p_md->p_libvlc_instance );
+        libvlc_media_list_set_media( p_md->p_subitems, p_md );
     }
     if( p_md->p_subitems )
     {
-        libvlc_media_list_add_media( p_md->p_subitems, p_md_child, NULL );
+        libvlc_media_list_add_media( p_md->p_subitems, p_md_child );
     }
 
     /* Construct the event */
@@ -145,8 +148,8 @@ static void input_item_duration_changed( const vlc_event_t *p_event,
 
     /* Construct the event */
     event.type = libvlc_MediaDurationChanged;
-    event.u.media_duration_changed.new_duration = 
-        p_event->u.input_item_duration_changed.new_duration;
+    event.u.media_duration_changed.new_duration =
+        from_mtime(p_event->u.input_item_duration_changed.new_duration);
 
     /* Send the event */
     libvlc_event_send( p_md->p_event_manager, &event );
@@ -155,19 +158,26 @@ static void input_item_duration_changed( const vlc_event_t *p_event,
 /**************************************************************************
  * input_item_preparsed_changed (Private) (vlc event Callback)
  **************************************************************************/
-static void input_item_preparsed_changed( const vlc_event_t *p_event,
-                                          void * user_data )
+static void input_item_preparsed_changed(const vlc_event_t *p_event,
+                                         void * user_data)
 {
-    libvlc_media_t * p_md = user_data;
+    libvlc_media_t *media = user_data;
     libvlc_event_t event;
 
+    /* Eventually notify libvlc_media_parse() */
+    vlc_mutex_lock(&media->parsed_lock);
+    media->is_parsed = true;
+    vlc_cond_broadcast(&media->parsed_cond);
+    vlc_mutex_unlock(&media->parsed_lock);
+
+
     /* Construct the event */
-    event.type = libvlc_MediaPreparsedChanged;
-    event.u.media_preparsed_changed.new_status = 
+    event.type = libvlc_MediaParsedChanged;
+    event.u.media_parsed_changed.new_status =
         p_event->u.input_item_preparsed_changed.new_status;
 
     /* Send the event */
-    libvlc_event_send( p_md->p_event_manager, &event );
+    libvlc_event_send(media->p_event_manager, &event);
 }
 
 /**************************************************************************
@@ -222,12 +232,12 @@ static void uninstall_input_item_observer( libvlc_media_t *p_md )
 static void preparse_if_needed( libvlc_media_t *p_md )
 {
     /* XXX: need some locking here */
-    if (!p_md->b_preparsed)
+    if (!p_md->has_asked_preparse)
     {
         playlist_PreparseEnqueue(
                 libvlc_priv (p_md->p_libvlc_instance->p_libvlc_int)->p_playlist,
-                p_md->p_input_item, pl_Unlocked );
-        p_md->b_preparsed = true;
+                p_md->p_input_item );
+        p_md->has_asked_preparse = true;
     }
 }
 
@@ -238,29 +248,29 @@ static void preparse_if_needed( libvlc_media_t *p_md )
  **************************************************************************/
 libvlc_media_t * libvlc_media_new_from_input_item(
                                    libvlc_instance_t *p_instance,
-                                   input_item_t *p_input_item,
-                                   libvlc_exception_t *p_e )
+                                   input_item_t *p_input_item )
 {
     libvlc_media_t * p_md;
 
     if (!p_input_item)
     {
-        libvlc_exception_raise( p_e, "No input item given" );
+        libvlc_printerr( "No input item given" );
         return NULL;
     }
 
-    p_md = malloc( sizeof(libvlc_media_t) );
+    p_md = calloc( 1, sizeof(libvlc_media_t) );
     if( !p_md )
     {
-        libvlc_exception_raise( p_e, "Not enough memory" );
+        libvlc_printerr( "Not enough memory" );
         return NULL;
     }
 
     p_md->p_libvlc_instance = p_instance;
     p_md->p_input_item      = p_input_item;
-    p_md->b_preparsed       = false;
     p_md->i_refcount        = 1;
-    p_md->p_user_data       = NULL;
+
+    vlc_cond_init(&p_md->parsed_cond);
+    vlc_mutex_init(&p_md->parsed_lock);
 
     p_md->state = libvlc_NothingSpecial;
 
@@ -268,17 +278,20 @@ libvlc_media_t * libvlc_media_new_from_input_item(
      * It can give a bunch of item to read. */
     p_md->p_subitems        = NULL;
 
-    p_md->p_event_manager = libvlc_event_manager_new( p_md, p_instance, p_e );
-    libvlc_event_manager_register_event_type( p_md->p_event_manager,
-        libvlc_MediaMetaChanged, p_e );
-    libvlc_event_manager_register_event_type( p_md->p_event_manager,
-        libvlc_MediaSubItemAdded, p_e );
-    libvlc_event_manager_register_event_type( p_md->p_event_manager,
-        libvlc_MediaFreed, p_e );
-    libvlc_event_manager_register_event_type( p_md->p_event_manager,
-        libvlc_MediaDurationChanged, p_e );
-    libvlc_event_manager_register_event_type( p_md->p_event_manager,
-        libvlc_MediaStateChanged, p_e );
+    p_md->p_event_manager = libvlc_event_manager_new( p_md, p_instance );
+    if( unlikely(p_md->p_event_manager == NULL) )
+    {
+        free(p_md);
+        return NULL;
+    }
+
+    libvlc_event_manager_t *em = p_md->p_event_manager;
+    libvlc_event_manager_register_event_type(em, libvlc_MediaMetaChanged);
+    libvlc_event_manager_register_event_type(em, libvlc_MediaSubItemAdded);
+    libvlc_event_manager_register_event_type(em, libvlc_MediaFreed);
+    libvlc_event_manager_register_event_type(em, libvlc_MediaDurationChanged);
+    libvlc_event_manager_register_event_type(em, libvlc_MediaStateChanged);
+    libvlc_event_manager_register_event_type(em, libvlc_MediaParsedChanged);
 
     vlc_gc_incref( p_md->p_input_item );
 
@@ -290,10 +303,8 @@ libvlc_media_t * libvlc_media_new_from_input_item(
 /**************************************************************************
  * Create a new media descriptor object
  **************************************************************************/
-libvlc_media_t * libvlc_media_new(
-                                   libvlc_instance_t *p_instance,
-                                   const char * psz_mrl,
-                                   libvlc_exception_t *p_e )
+libvlc_media_t *libvlc_media_new_location( libvlc_instance_t *p_instance,
+                                           const char * psz_mrl )
 {
     input_item_t * p_input_item;
     libvlc_media_t * p_md;
@@ -302,12 +313,11 @@ libvlc_media_t * libvlc_media_new(
 
     if (!p_input_item)
     {
-        libvlc_exception_raise( p_e, "Can't create md's input_item" );
+        libvlc_printerr( "Not enough memory" );
         return NULL;
     }
 
-    p_md = libvlc_media_new_from_input_item( p_instance,
-                p_input_item, p_e );
+    p_md = libvlc_media_new_from_input_item( p_instance, p_input_item );
 
     /* The p_input_item is retained in libvlc_media_new_from_input_item */
     vlc_gc_decref( p_input_item );
@@ -315,13 +325,26 @@ libvlc_media_t * libvlc_media_new(
     return p_md;
 }
 
+libvlc_media_t *libvlc_media_new_path( libvlc_instance_t *p_instance,
+                                       const char *path )
+{
+    char *mrl = make_URI( path, "file" );
+    if( unlikely(mrl == NULL) )
+    {
+        libvlc_printerr( "Not enough memory" );
+        return NULL;
+    }
+
+    libvlc_media_t *m = libvlc_media_new_location( p_instance, mrl );
+    free( mrl );
+    return m;
+}
+
 /**************************************************************************
  * Create a new media descriptor object
  **************************************************************************/
-libvlc_media_t * libvlc_media_new_as_node(
-                                   libvlc_instance_t *p_instance,
-                                   const char * psz_name,
-                                   libvlc_exception_t *p_e )
+libvlc_media_t * libvlc_media_new_as_node( libvlc_instance_t *p_instance,
+                                           const char * psz_name )
 {
     input_item_t * p_input_item;
     libvlc_media_t * p_md;
@@ -330,14 +353,13 @@ libvlc_media_t * libvlc_media_new_as_node(
 
     if (!p_input_item)
     {
-        libvlc_exception_raise( p_e, "Can't create md's input_item" );
+        libvlc_printerr( "Not enough memory" );
         return NULL;
     }
 
-    p_md = libvlc_media_new_from_input_item( p_instance,
-                p_input_item, p_e );
+    p_md = libvlc_media_new_from_input_item( p_instance, p_input_item );
 
-    p_md->p_subitems = libvlc_media_list_new( p_md->p_libvlc_instance, NULL );
+    p_md->p_subitems = libvlc_media_list_new( p_md->p_libvlc_instance );
 
     return p_md;
 }
@@ -350,30 +372,23 @@ libvlc_media_t * libvlc_media_new_as_node(
  *
  * The options are detailled in vlc --long-help, for instance "--sout-all"
  **************************************************************************/
-void libvlc_media_add_option(
-                                   libvlc_media_t * p_md,
-                                   const char * ppsz_option,
-                                   libvlc_exception_t *p_e )
+void libvlc_media_add_option( libvlc_media_t * p_md,
+                              const char * psz_option )
 {
-    VLC_UNUSED(p_e);
-    input_item_AddOption( p_md->p_input_item, ppsz_option,
+    libvlc_media_add_option_flag( p_md, psz_option,
                           VLC_INPUT_OPTION_UNIQUE|VLC_INPUT_OPTION_TRUSTED );
 }
 
 /**************************************************************************
- * Same as libvlc_media_add_option but with untrusted source.
+ * Same as libvlc_media_add_option but with configurable flags.
  **************************************************************************/
-void libvlc_media_add_option_untrusted(
-                                   libvlc_media_t * p_md,
+void libvlc_media_add_option_flag( libvlc_media_t * p_md,
                                    const char * ppsz_option,
-                                   libvlc_exception_t *p_e )
+                                   unsigned i_flags )
 {
-    VLC_UNUSED(p_e);
-    input_item_AddOption( p_md->p_input_item, ppsz_option,
-                          VLC_INPUT_OPTION_UNIQUE );
+    input_item_AddOption( p_md->p_input_item, ppsz_option, i_flags );
 }
 
-
 /**************************************************************************
  * Delete a media descriptor object
  **************************************************************************/
@@ -393,6 +408,9 @@ void libvlc_media_release( libvlc_media_t *p_md )
     uninstall_input_item_observer( p_md );
     vlc_gc_decref( p_md->p_input_item );
 
+    vlc_cond_destroy( &p_md->parsed_cond );
+    vlc_mutex_destroy( &p_md->parsed_lock );
+
     /* Construct the event */
     libvlc_event_t event;
     event.type = libvlc_MediaFreed;
@@ -411,9 +429,7 @@ void libvlc_media_release( libvlc_media_t *p_md )
  **************************************************************************/
 void libvlc_media_retain( libvlc_media_t *p_md )
 {
-    if (!p_md)
-        return;
-
+    assert (p_md);
     p_md->i_refcount++;
 }
 
@@ -424,17 +440,16 @@ libvlc_media_t *
 libvlc_media_duplicate( libvlc_media_t *p_md_orig )
 {
     return libvlc_media_new_from_input_item(
-        p_md_orig->p_libvlc_instance, p_md_orig->p_input_item, NULL );
+        p_md_orig->p_libvlc_instance, p_md_orig->p_input_item );
 }
 
 /**************************************************************************
  * Get mrl from a media descriptor object
  **************************************************************************/
 char *
-libvlc_media_get_mrl( libvlc_media_t * p_md,
-                                 libvlc_exception_t * p_e )
+libvlc_media_get_mrl( libvlc_media_t * p_md )
 {
-    VLC_UNUSED(p_e);
+    assert( p_md );
     return input_item_GetURI( p_md->p_input_item );
 }
 
@@ -442,13 +457,11 @@ libvlc_media_get_mrl( libvlc_media_t * p_md,
  * Getter for meta information
  **************************************************************************/
 
-char * libvlc_media_get_meta( libvlc_media_t *p_md,
-                                         libvlc_meta_t e_meta,
-                                         libvlc_exception_t *p_e )
+char *libvlc_media_get_meta( libvlc_media_t *p_md, libvlc_meta_t e_meta )
 {
     char * psz_meta;
-    VLC_UNUSED(p_e);
 
+    assert( p_md );
     /* XXX: locking */
 
     preparse_if_needed( p_md );
@@ -456,11 +469,12 @@ char * libvlc_media_get_meta( libvlc_media_t *p_md,
     psz_meta = input_item_GetMeta( p_md->p_input_item,
                                    libvlc_to_vlc_meta[e_meta] );
 
-    if( e_meta == libvlc_meta_ArtworkURL && !psz_meta )
+    if( e_meta == libvlc_meta_ArtworkURL && !psz_meta && !p_md->has_asked_art )
     {
+        p_md->has_asked_art = true;
         playlist_AskForArtEnqueue(
                 libvlc_priv(p_md->p_libvlc_instance->p_libvlc_int)->p_playlist,
-                p_md->p_input_item, pl_Unlocked );
+                p_md->p_input_item );
     }
 
     /* Should be integrated in core */
@@ -473,16 +487,33 @@ char * libvlc_media_get_meta( libvlc_media_t *p_md,
     return psz_meta;
 }
 
+/**************************************************************************
+ * Setter for meta information
+ **************************************************************************/
+
+void libvlc_media_set_meta( libvlc_media_t *p_md, libvlc_meta_t e_meta, const char *psz_value )
+{
+    assert( p_md );
+    input_item_SetMeta( p_md->p_input_item, libvlc_to_vlc_meta[e_meta], psz_value );
+}
+
+int libvlc_media_save_meta( libvlc_media_t *p_md )
+{
+    assert( p_md );
+    vlc_object_t *p_obj = VLC_OBJECT(libvlc_priv(
+                            p_md->p_libvlc_instance->p_libvlc_int)->p_playlist);
+    return input_item_WriteMeta( p_obj, p_md->p_input_item ) == VLC_SUCCESS;
+}
+
 /**************************************************************************
  * Getter for state information
  * Can be error, playing, buffering, NothingSpecial.
  **************************************************************************/
 
 libvlc_state_t
-libvlc_media_get_state( libvlc_media_t *p_md,
-                                   libvlc_exception_t *p_e )
+libvlc_media_get_state( libvlc_media_t *p_md )
 {
-    VLC_UNUSED(p_e);
+    assert( p_md );
     return p_md->state;
 }
 
@@ -492,11 +523,9 @@ libvlc_media_get_state( libvlc_media_t *p_md,
 
 void
 libvlc_media_set_state( libvlc_media_t *p_md,
-                                   libvlc_state_t state,
-                                   libvlc_exception_t *p_e )
+                                   libvlc_state_t state )
 {
     libvlc_event_t event;
-    VLC_UNUSED(p_e);
 
     p_md->state = state;
 
@@ -512,99 +541,196 @@ libvlc_media_set_state( libvlc_media_t *p_md,
  * subitems
  **************************************************************************/
 libvlc_media_list_t *
-libvlc_media_subitems( libvlc_media_t * p_md,
-                                  libvlc_exception_t * p_e )
+libvlc_media_subitems( libvlc_media_t * p_md )
 {
-    VLC_UNUSED(p_e);
-
     if( p_md->p_subitems )
         libvlc_media_list_retain( p_md->p_subitems );
     return p_md->p_subitems;
 }
 
+/**************************************************************************
+ * Getter for statistics information
+ **************************************************************************/
+int libvlc_media_get_stats( libvlc_media_t *p_md,
+                            libvlc_media_stats_t *p_stats )
+{
+    if( !p_md->p_input_item )
+        return false;
+
+    input_stats_t *p_itm_stats = p_md->p_input_item->p_stats;
+    vlc_mutex_lock( &p_itm_stats->lock );
+    p_stats->i_read_bytes = p_itm_stats->i_read_bytes;
+    p_stats->f_input_bitrate = p_itm_stats->f_input_bitrate;
+
+    p_stats->i_demux_read_bytes = p_itm_stats->i_demux_read_bytes;
+    p_stats->f_demux_bitrate = p_itm_stats->f_demux_bitrate;
+    p_stats->i_demux_corrupted = p_itm_stats->i_demux_corrupted;
+    p_stats->i_demux_discontinuity = p_itm_stats->i_demux_discontinuity;
+
+    p_stats->i_decoded_video = p_itm_stats->i_decoded_video;
+    p_stats->i_decoded_audio = p_itm_stats->i_decoded_audio;
+
+    p_stats->i_displayed_pictures = p_itm_stats->i_displayed_pictures;
+    p_stats->i_lost_pictures = p_itm_stats->i_lost_pictures;
+
+    p_stats->i_played_abuffers = p_itm_stats->i_played_abuffers;
+    p_stats->i_lost_abuffers = p_itm_stats->i_lost_abuffers;
+
+    p_stats->i_sent_packets = p_itm_stats->i_sent_packets;
+    p_stats->i_sent_bytes = p_itm_stats->i_sent_bytes;
+    p_stats->f_send_bitrate = p_itm_stats->f_send_bitrate;
+    vlc_mutex_unlock( &p_itm_stats->lock );
+    return true;
+}
+
 /**************************************************************************
  * event_manager
  **************************************************************************/
 libvlc_event_manager_t *
-libvlc_media_event_manager( libvlc_media_t * p_md,
-                                       libvlc_exception_t * p_e )
+libvlc_media_event_manager( libvlc_media_t * p_md )
 {
-    VLC_UNUSED(p_e);
+    assert( p_md );
 
     return p_md->p_event_manager;
 }
 
 /**************************************************************************
- * Get duration of media object.
+ * Get duration of media object (in ms)
  **************************************************************************/
 int64_t
-libvlc_media_get_duration( libvlc_media_t * p_md,
-                                      libvlc_exception_t * p_e )
+libvlc_media_get_duration( libvlc_media_t * p_md )
 {
-    VLC_UNUSED(p_e);
+    assert( p_md );
 
-    if( !p_md || !p_md->p_input_item)
+    if( !p_md->p_input_item )
     {
-        libvlc_exception_raise( p_e, "No input item" );
+        libvlc_printerr( "No input item" );
         return -1;
     }
 
-    return input_item_GetDuration( p_md->p_input_item );
+    preparse_if_needed( p_md );
+
+    if (!input_item_IsPreparsed( p_md->p_input_item ))
+        return -1;
+
+    return from_mtime(input_item_GetDuration( p_md->p_input_item ));
+}
+
+/**************************************************************************
+ * Parse the media.
+ **************************************************************************/
+void
+libvlc_media_parse(libvlc_media_t *media)
+{
+    preparse_if_needed(media);
+
+    vlc_mutex_lock(&media->parsed_lock);
+    while (!media->is_parsed)
+        vlc_cond_wait(&media->parsed_cond, &media->parsed_lock);
+    vlc_mutex_unlock(&media->parsed_lock);
+}
+
+/**************************************************************************
+ * Parse the media.
+ **************************************************************************/
+void
+libvlc_media_parse_async(libvlc_media_t *media)
+{
+    preparse_if_needed(media);
 }
 
 /**************************************************************************
- * Get preparsed status for media object.
+ * Get parsed status for media object.
  **************************************************************************/
 int
-libvlc_media_is_preparsed( libvlc_media_t * p_md,
-                                       libvlc_exception_t * p_e )
+libvlc_media_is_parsed( libvlc_media_t * p_md )
 {
-    VLC_UNUSED(p_e);
+    assert( p_md );
 
-    if( !p_md || !p_md->p_input_item)
-    {
-        libvlc_exception_raise( p_e, "No input item" );
+    if( !p_md->p_input_item )
         return false;
-    }
 
     return input_item_IsPreparsed( p_md->p_input_item );
 }
 
 /**************************************************************************
- * Sets media descriptor's user_data. user_data is specialized data 
- * accessed by the host application, VLC.framework uses it as a pointer to 
+ * Sets media descriptor's user_data. user_data is specialized data
+ * accessed by the host application, VLC.framework uses it as a pointer to
  * an native object that references a libvlc_media_t pointer
  **************************************************************************/
-void 
-libvlc_media_set_user_data( libvlc_media_t * p_md,
-                                       void * p_new_user_data,
-                                       libvlc_exception_t * p_e )
+void
+libvlc_media_set_user_data( libvlc_media_t * p_md, void * p_new_user_data )
 {
-    VLC_UNUSED(p_e);
-
-    if( p_md )
-    {
-        p_md->p_user_data = p_new_user_data;
-    }
+    assert( p_md );
+    p_md->p_user_data = p_new_user_data;
 }
 
 /**************************************************************************
- * Get media descriptor's user_data. user_data is specialized data 
- * accessed by the host application, VLC.framework uses it as a pointer to 
+ * Get media descriptor's user_data. user_data is specialized data
+ * accessed by the host application, VLC.framework uses it as a pointer to
  * an native object that references a libvlc_media_t pointer
  **************************************************************************/
 void *
-libvlc_media_get_user_data( libvlc_media_t * p_md,
-                                       libvlc_exception_t * p_e )
+libvlc_media_get_user_data( libvlc_media_t * p_md )
+{
+    assert( p_md );
+    return p_md->p_user_data;
+}
+
+/**************************************************************************
+ * Get media descriptor's elementary streams description
+ **************************************************************************/
+int
+libvlc_media_get_tracks_info( libvlc_media_t *p_md, libvlc_media_track_info_t ** pp_es )
 {
-    VLC_UNUSED(p_e);
+    assert( p_md );
 
-    if( p_md )
+    input_item_t *p_input_item = p_md->p_input_item;
+    vlc_mutex_lock( &p_input_item->lock );
+
+    const int i_es = p_input_item->i_es;
+    *pp_es = (i_es > 0) ? malloc( i_es * sizeof(libvlc_media_track_info_t) ) : NULL;
+
+    if( !pp_es ) /* no ES, or OOM */
     {
-        return p_md->p_user_data;
+        vlc_mutex_unlock( &p_input_item->lock );
+        return 0;
     }
-    else
+
+    /* Fill array */
+    for( int i = 0; i < i_es; i++ )
     {
-        return NULL;
+        libvlc_media_track_info_t *p_mes = *pp_es+i;
+        const es_format_t *p_es = p_input_item->es[i];
+
+        p_mes->i_codec = p_es->i_codec;
+        p_mes->i_id = p_es->i_id;
+
+        p_mes->i_profile = p_es->i_profile;
+        p_mes->i_level = p_es->i_level;
+
+        switch(p_es->i_cat)
+        {
+        case UNKNOWN_ES:
+        default:
+            p_mes->i_type = libvlc_track_unknown;
+            break;
+        case VIDEO_ES:
+            p_mes->i_type = libvlc_track_video;
+            p_mes->u.video.i_height = p_es->video.i_height;
+            p_mes->u.video.i_width = p_es->video.i_width;
+            break;
+        case AUDIO_ES:
+            p_mes->i_type = libvlc_track_audio;
+            p_mes->u.audio.i_channels = p_es->audio.i_channels;
+            p_mes->u.audio.i_rate = p_es->audio.i_rate;
+            break;
+        case SPU_ES:
+            p_mes->i_type = libvlc_track_text;
+            break;
+        }
     }
+
+    vlc_mutex_unlock( &p_input_item->lock );
+    return i_es;
 }