From a108787e0067d2b5faed0d945ec50a6dd46be4c0 Mon Sep 17 00:00:00 2001
From: voroshil <voroshil@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Sat, 1 Sep 2007 18:49:51 +0000
Subject: Make sure that no pages will left in cache during channel switch
 (immediately stop decoding of vbi buffer when clear_cache is called).

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@24321 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 stream/tvi_vbi.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'stream')

diff --git a/stream/tvi_vbi.c b/stream/tvi_vbi.c
index 77d77de994..aa493a7eb7 100644
--- a/stream/tvi_vbi.c
+++ b/stream/tvi_vbi.c
@@ -149,6 +149,7 @@ typedef struct {
     unsigned int  juliandate;
     unsigned int  universaltime;
     unsigned char networkname[21];
+    int           cache_reset;
 } priv_vbi_t;
 
 static unsigned char fixParity[256];
@@ -622,6 +623,8 @@ static inline tt_page* get_from_cache(priv_vbi_t* priv, int pagenum,int subpagen
 static void clear_cache(priv_vbi_t* priv){
     int i;
     tt_page* tp;
+    priv->cache_reset=1;
+    
     for(i=0;i<VBI_MAX_PAGES;i++){
         while(priv->ptt_cache[i]){
             tp=priv->ptt_cache[i];
@@ -1447,7 +1450,7 @@ static void vbi_decode(priv_vbi_t* priv,unsigned char*buf){
     int d0,d1;
     int i=0;
     mp_msg(MSGT_TV,MSGL_DBG3,"vbi: vbi_decode\n");
-    for(linep=buf; linep<buf+priv->ptsp->bufsize; linep+=priv->ptsp->samples_per_line,i++){
+    for(linep=buf; !priv->cache_reset && linep<buf+priv->ptsp->bufsize; linep+=priv->ptsp->samples_per_line,i++){
 #if 0
         /*
           This routine is alternative implementation of raw VBI data decoding.
@@ -1487,6 +1490,11 @@ static void vbi_decode(priv_vbi_t* priv,unsigned char*buf){
             mp_msg(MSGT_TV,MSGL_DBG3,"unsupported packet:%d\n",pkt);
         }
     }
+    if (priv->cache_reset){
+        pthread_mutex_lock(&(priv->buffer_mutex));
+        priv->cache_reset=0;
+        pthread_mutex_unlock(&(priv->buffer_mutex));
+    }
 
 }
 
-- 
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