From 31f2c7d4477a7824567fc0ea70f1d7c24c9a041b Mon Sep 17 00:00:00 2001
From: Hendrik Leppkes <h.leppkes@gmail.com>
Date: Tue, 12 Apr 2016 14:49:50 +0200
Subject: Remote mpeg2 decoding at the start of a GOP, in addition to after a
 keyframe

This allows playing intra-refresh mpeg2 samples, and should hopefully limit
the amount of distortion it may allow to be shown after a seek to open-gop streams.
---
 decoder/LAVVideo/decoders/avcodec.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'decoder')

diff --git a/decoder/LAVVideo/decoders/avcodec.cpp b/decoder/LAVVideo/decoders/avcodec.cpp
index 5b5c44de..73e3a323 100644
--- a/decoder/LAVVideo/decoders/avcodec.cpp
+++ b/decoder/LAVVideo/decoders/avcodec.cpp
@@ -778,6 +778,9 @@ STDMETHODIMP CDecAvcodec::Decode(const BYTE *buffer, int buflen, REFERENCE_TIME
           if (state & STATE_EOS_FOUND) {
             bEndOfSequence = TRUE;
           }
+          if (state & STATE_GOP_FOUND && m_nCodecId == AV_CODEC_ID_MPEG2VIDEO) {
+            m_bWaitingForKeyFrame = FALSE;
+          }
         } else {
           avpkt.data = nullptr;
           avpkt.size = 0;
-- 
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