Added support for video filter that introduce latency (vout).

[vlc] / src / video_output / vout_internal.h

diff --git a/src/video_output/vout_internal.h b/src/video_output/vout_internal.h
index de8f05834924e3eebcbdcbee77ee8d4a5acf46f0..c256736d166a58c015d0295b0b57dc48fd4dcd98 100644 (file)
--- a/src/video_output/vout_internal.h
+++ b/src/video_output/vout_internal.h
@@ -48,6 +48,12 @@
  */
 #define VOUT_MAX_PICTURES (20)
 
+/**
+ * Number of frames used to estimate the maximum filter chain latency.
+ * For performance, it is best to use a power of 2
+ */
+#define VOUT_FILTER_DELAYS (8)
+
 /* */
 struct vout_thread_sys_t
 {
@@ -126,6 +132,8 @@ struct vout_thread_sys_t
     /* Video filter2 chain */
     vlc_mutex_t     vfilter_lock;
     filter_chain_t *vfilter_chain;
+    unsigned        vfilter_delay_index;
+    mtime_t         vfilter_delay[VOUT_FILTER_DELAYS];
 
     /* */
     vlc_mouse_t     mouse;