deps/media-playback: Don't use interrupt cb for local files

This fixes an issue where local files were using the avformat interrupt
callback, which is only supposed to be use to prevent blocking on
network calls.

deps/media-playback/media-playback/media.c

@@ -577,8 +577,10 @@ static bool init_avformat(mp_media_t *m)
 		av_dict_set_int(&opts, "buffer_size", m->buffering, 0);
 
 	m->fmt = avformat_alloc_context();
-	m->fmt->interrupt_callback.callback = interrupt_callback;
-	m->fmt->interrupt_callback.opaque = m;
+	if (!m->is_local_file) {
+		m->fmt->interrupt_callback.callback = interrupt_callback;
+		m->fmt->interrupt_callback.opaque = m;
+	}
 
 	int ret = avformat_open_input(&m->fmt, m->path, format,
 				      opts ? &opts : NULL);