From 7c33ad19fd55fea2d39d040c7ebdcde0e1e9d864 Mon Sep 17 00:00:00 2001
From: Loren Merritt <lorenm@u.washington.edu>
Date: Tue, 3 May 2005 06:53:59 +0000
Subject: [PATCH] clear the DPB after seeking.

Originally committed as revision 4174 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/h264.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 7fdae20b7c..e315818f19 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -3457,6 +3457,16 @@ static void idr(H264Context *h){
     h->short_ref_count=0;
 }
 
+/* forget old pics after a seek */
+static void flush_dpb(AVCodecContext *avctx){
+    H264Context *h= avctx->priv_data;
+    int i;
+    for(i=0; i<16; i++)
+        h->delayed_pic[i]= NULL;
+    h->delayed_output_pic= NULL;
+    idr(h);
+}
+
 /**
  *
  * @return the removed picture or NULL if an error occures
@@ -7208,6 +7218,7 @@ AVCodec h264_decoder = {
     decode_end,
     decode_frame,
     /*CODEC_CAP_DRAW_HORIZ_BAND |*/ CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY,
+    .flush= flush_dpb,
 };
 
 AVCodecParser h264_parser = {