avcodec/flvdec: Use skip_1stop_8data_bits()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/flvdec.c

@@ -102,11 +102,8 @@ int ff_flv_decode_picture_header(MpegEncContext *s)
     s->h263_long_vectors = 0;
 
     /* PEI */
-    while (get_bits1(&s->gb) != 0) {
-        skip_bits(&s->gb, 8);
-        if (get_bits_left(&s->gb) <= 0)
-            return AVERROR_INVALIDDATA;
-    }
+    if (skip_1stop_8data_bits(&s->gb) < 0)
+        return AVERROR_INVALIDDATA;
     s->f_code = 1;
 
     if (s->ehc_mode)