delay.patch

commit c870059ddb2131e6bf20c89b164aa69e5531c0e8
Author: Derek Buitenhuis <[email protected]>
Date:   Fri Mar 23 20:34:21 2018 +0000

    videosource: Do not increment the delay counter when packets are marked as DISCARD

    They do not count towards the codec delay, and are used to signal, for example,
    edit list edits.

    Signed-off-by: Derek Buitenhuis <[email protected]>

diff --git a/src/core/videosource.cpp b/src/core/videosource.cpp
index eef6f5c..75797b0 100644
--- a/src/core/videosource.cpp
+++ b/src/core/videosource.cpp
@@ -534,7 +534,8 @@ bool FFMS_VideoSource::DecodePacket(AVPacket *Packet) {
     int Ret = avcodec_receive_frame(CodecContext, DecodeFrame);
     if (Ret != 0) {
         std::swap(DecodeFrame, LastDecodedFrame);
-        DelayCounter++;
+        if (!(Packet->flags & AV_PKT_FLAG_DISCARD))
+            DelayCounter++;
     }

     if (Ret == 0 && InitialDecode == 1)