streaminfo: fix possible crash if channel == NULL

Origin commit data
------------------
Commit: 022f269e09
Author: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: 2012-10-07 (Sun, 07 Oct 2012)
This commit is contained in:
Stefan Seyfried
2012-10-07 16:02:29 +02:00
parent 34823f1c8d
commit b8135d0b13

View File

@@ -93,6 +93,7 @@ CStreamInfo2::CStreamInfo2 ()
rate.min_short_average = 0;
box_h = 0;
box_h2 = 0;
yypos = -1;
}
CStreamInfo2::~CStreamInfo2 ()
@@ -897,6 +898,8 @@ void CStreamInfo2::showSNR ()
int barwidth = 150;
int sig, snr;
int posx, posy;
if (yypos < 0)
return; /* nothing to paint. No channel or similar */
int sw = g_Font[font_info]->getRenderWidth ("100%");
int pw = g_Font[font_info]->getRenderWidth (" SNR");