avformat/hlsenc: Fix check for SPS

Check all the six bits, not only the two bits that are set for SPS.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>

libavformat/hlsenc.c

@@ -351,7 +351,7 @@ static void write_codec_attr(AVStream *st, VariantStream *vs)
         /* check the boundary of data which from current position is small than extradata_size */
         while (data && (data - st->codecpar->extradata + 19) < st->codecpar->extradata_size) {
             /* get HEVC SPS NAL and seek to profile_tier_level */
-            if (!(data[0] | data[1] | data[2]) && data[3] == 1 && ((data[4] & 0x42) == 0x42)) {
+            if (!(data[0] | data[1] | data[2]) && data[3] == 1 && ((data[4] & 0x7E) == 0x42)) {
                 uint8_t *rbsp_buf;
                 int remain_size = 0;
                 int rbsp_size = 0;