[vlc-devel] [PATCH 4/4] libvlc: media: use vlc_atomic_rc for refcount
Alexandre Janniaux
ajanni at videolabs.io
Sat Nov 21 13:21:01 CET 2020
---
lib/media.c | 9 ++++-----
lib/media_internal.h | 4 +++-
2 files changed, 7 insertions(+), 6 deletions(-)
diff --git a/lib/media.c b/lib/media.c
index dd4faf0066..6f7911e0a2 100644
--- a/lib/media.c
+++ b/lib/media.c
@@ -37,6 +37,7 @@
#include <vlc_meta.h>
#include <vlc_url.h>
#include <vlc_thumbnailer.h>
+#include <vlc_atomic.h>
#include "../src/libvlc.h"
@@ -501,7 +502,7 @@ libvlc_media_t * libvlc_media_new_from_input_item(
p_md->p_libvlc_instance = p_instance;
p_md->p_input_item = p_input_item;
- p_md->i_refcount = 1;
+ vlc_atomic_rc_init(&p_md->rc);
vlc_cond_init(&p_md->parsed_cond);
vlc_mutex_init(&p_md->parsed_lock);
@@ -643,9 +644,7 @@ void libvlc_media_release( libvlc_media_t *p_md )
if (!p_md)
return;
- p_md->i_refcount--;
-
- if( p_md->i_refcount > 0 )
+ if( !vlc_atomic_rc_dec(&p_md->rc) )
return;
uninstall_input_item_observer( p_md );
@@ -675,7 +674,7 @@ void libvlc_media_release( libvlc_media_t *p_md )
void libvlc_media_retain( libvlc_media_t *p_md )
{
assert (p_md);
- p_md->i_refcount++;
+ vlc_atomic_rc_inc( &p_md->rc );
}
// Duplicate a media descriptor object
diff --git a/lib/media_internal.h b/lib/media_internal.h
index e4d0d03fae..b8646abce2 100644
--- a/lib/media_internal.h
+++ b/lib/media_internal.h
@@ -35,10 +35,12 @@
struct libvlc_media_t
{
libvlc_event_manager_t event_manager;
+
input_item_t *p_input_item;
- int i_refcount;
libvlc_instance_t *p_libvlc_instance;
libvlc_state_t state;
+ vlc_atomic_rc_t rc;
+
VLC_FORWARD_DECLARE_OBJECT(libvlc_media_list_t*) p_subitems; /* A media descriptor can have Sub items. This is the only dependancy we really have on media_list */
void *p_user_data;
--
2.29.2
More information about the vlc-devel
mailing list