cdg: Forward error from avio_size() in read_header() function

Signed-off-by: Diego Biurrun <diego@biurrun.de>

cdg: Forward error from avio_size() in read_header() function
Signed-off-by: Diego Biurrun <diego@biurrun.de>
44386aaa · Nidhi Makhijani · Diego Biurrun · 5adcef9c · 44386aaa
Commit 44386aaa authored Jul 10, 2014 by Nidhi Makhijani Committed by Diego Biurrun Jul 10, 2014
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libavformat/cdg.c libavformat/cdg.c +3 -2

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--- a/libavformat/cdg.c
+++ b/libavformat/cdg.c
@@ -46,9 +46,10 @@ static int read_header(AVFormatContext *s)
    avpriv_set_pts_info(vst, 32, 1, 300);

    ret = avio_size(s->pb);
-    if (ret > 0)
-        vst->duration = (ret * vst->time_base.den) / (CDG_PACKET_SIZE * 300);
+    if (ret < 0)
+        return ret;

+    vst->duration = (ret * vst->time_base.den) / (CDG_PACKET_SIZE * 300);
    return 0;
 }