Adding function for calculating the delay caused by the filters

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@7666 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 13 insertions, 0 deletions

diff --git a/libaf/af.c b/libaf/af.c
index e4d496464d..14b06624cd 100644
--- a/libaf/af.c
+++ b/libaf/af.c
@@ -487,6 +487,19 @@ int af_calc_insize_constrained(af_stream_t* s, int len,
   return in;
 }
 
+/* Calculate the total delay [ms] caused by the filters */
+double af_calc_delay(af_stream_t* s)
+{
+  af_instance_t* af=s->first; 
+  register double delay = 0.0;
+  // Iterate through all filters 
+  while(af){
+    delay += af->delay;
+    af=af->next;
+  }
+  return delay;
+}
+
 /* Helper function called by the macro with the same name this
    function should not be called directly */
 inline int af_resize_local_buffer(af_instance_t* af, af_data_t* data)