h264parser: Treat SPS and PPS id as unsigned

There is a change of crash otherwise if we get a corrupt bitstream

diff --git a/src/parser_h264.c b/src/parser_h264.c
index 67a823048e5111c7642dad3c953b3d960313393c..0653227fc232134179a2641577c981eb3b2a4652 100644 (file)
--- a/src/parser_h264.c
+++ b/src/parser_h264.c
@@ -355,7 +355,7 @@ h264_decode_slice_header(elementary_stream_t *st, bitstream_t *bs, int *pkttype,
                         int *isfield)
 {
   h264_private_t *p;
-  int slice_type, pps_id, sps_id;
+  unsigned int slice_type, pps_id, sps_id;
 
   if((p = st->es_priv) == NULL)
     return -1;