cache: stream_Tell() is always zero at reset

Reset is at initialization, or after seekpoint seek.

modules/stream_filter/cache_block.c

@@ -228,12 +228,12 @@ static void AStreamControlReset(stream_t *s)
 {
     stream_sys_t *sys = s->p_sys;
 
-    sys->i_pos = stream_Tell(s->p_source);
+    sys->i_pos = 0;
 
     block_ChainRelease(sys->p_first);
 
     /* Init all fields of sys->block */
-    sys->i_start = sys->i_pos;
+    sys->i_start = 0;
     sys->i_offset = 0;
     sys->p_current = NULL;
     sys->i_size = 0;
@@ -460,7 +460,7 @@ static int Open(vlc_object_t *obj)
         return VLC_ENOMEM;
 
     /* Common field */
-    sys->i_pos = stream_Tell(s->p_source);
+    sys->i_pos = 0;
 
     /* Stats */
     sys->stat.i_bytes = 0;

modules/stream_filter/cache_read.c

@@ -231,7 +231,7 @@ static void AStreamControlReset(stream_t *s)
 {
     stream_sys_t *sys = s->p_sys;
 
-    sys->i_pos = stream_Tell(s->p_source);
+    sys->i_pos = 0;
 
     /* Setup our tracks */
     sys->i_offset = 0;
@@ -511,7 +511,7 @@ static int Open(vlc_object_t *obj)
         return VLC_ENOMEM;
 
     /* Common field */
-    sys->i_pos = stream_Tell(s->p_source);
+    sys->i_pos = 0;
 
     /* Stats */
     sys->stat.i_bytes = 0;