input: make source an object

This groups the demuxer with its stream and stream filters. This is
also required (but not sufficient) to supply separate options to slave
sources than the master source.

src/input/input.c

@@ -2089,7 +2089,8 @@ static input_source_t *InputSourceNew( input_thread_t *p_input,
                                        const char *psz_forced_demux,
                                        bool b_in_can_fail )
 {
-    input_source_t *in = calloc( 1,  sizeof( *in ) );
+    input_source_t *in = vlc_custom_create( p_input, sizeof( *in ),
+                                            "input source" );
     if( unlikely(in == NULL) )
         return NULL;
 
@@ -2171,7 +2172,7 @@ static input_source_t *InputSourceNew( input_thread_t *p_input,
         TAB_CLEAN( count, tab );
     }
 
-    in->p_demux = input_DemuxNew( VLC_OBJECT(p_input), psz_access, psz_demux,
+    in->p_demux = input_DemuxNew( VLC_OBJECT(in), psz_access, psz_demux,
                                   psz_path, p_input->p->p_es_out,
                                   p_input->b_preparsing, p_input );
     free( psz_dup );
@@ -2182,7 +2183,7 @@ static input_source_t *InputSourceNew( input_thread_t *p_input,
             dialog_Fatal( p_input, _("Your input can't be opened"),
                           _("VLC is unable to open the MRL '%s'."
                             " Check the log for details."), psz_mrl );
-        free( in );
+        vlc_object_release( in );
         return NULL;
     }
 
@@ -2301,7 +2302,7 @@ static void InputSourceDestroy( input_source_t *in )
         TAB_CLEAN( in->i_title, in->title );
     }
 
-    free( in );
+    vlc_object_release( in );
 }
 
 /*****************************************************************************
@@ -2331,7 +2332,7 @@ static void InputSourceMeta( input_thread_t *p_input,
         return;
 
     demux_meta_t *p_demux_meta =
-        vlc_custom_create( p_input, sizeof( *p_demux_meta ), "demux meta" );
+        vlc_custom_create( p_source, sizeof( *p_demux_meta ), "demux meta" );
     if( unlikely(p_demux_meta == NULL) )
         return;
     p_demux_meta->p_item = p_input->p->p_item;

src/input/input_internal.h

@@ -40,6 +40,8 @@
 /* input_source_t: gathers all information per input source */
 typedef struct
 {
+    VLC_COMMON_MEMBERS;
+
     demux_t  *p_demux; /**< Demux plugin instance */
 
     /* Title infos for that input */