From 6f2c64fd03a17c804334df8b8406bf7dd1b92c88 Mon Sep 17 00:00:00 2001
From: wm4 <nfxjfg@googlemail.com>
Date: Thu, 28 May 2015 14:16:36 +0200
Subject: [PATCH] dvdsubdec: implement flushing

This is needed for proper operation with seeking.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavcodec/dvdsubdec.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/libavcodec/dvdsubdec.c b/libavcodec/dvdsubdec.c
index a87a3bcdd4..7120f10a53 100644
--- a/libavcodec/dvdsubdec.c
+++ b/libavcodec/dvdsubdec.c
@@ -719,10 +719,15 @@ static av_cold int dvdsub_init(AVCodecContext *avctx)
     return 1;
 }
 
-static av_cold int dvdsub_close(AVCodecContext *avctx)
+static void dvdsub_flush(AVCodecContext *avctx)
 {
     DVDSubContext *ctx = avctx->priv_data;
     ctx->buf_size = 0;
+}
+
+static av_cold int dvdsub_close(AVCodecContext *avctx)
+{
+    dvdsub_flush(avctx);
     return 0;
 }
 
@@ -749,6 +754,7 @@ AVCodec ff_dvdsub_decoder = {
     .priv_data_size = sizeof(DVDSubContext),
     .init           = dvdsub_init,
     .decode         = dvdsub_decode,
+    .flush          = dvdsub_flush,
     .close          = dvdsub_close,
     .priv_class     = &dvdsub_class,
 };