avcodec/mpeg4videoenc: Avoid branch for writing stuffing

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
9 months ago · 4ef98a43ee
parent 9ce56f91c0
commit 4ef98a43ee
1 changed files with 3 additions and 5 deletions
--- a/libavcodec/mpeg4videoenc.c
+++ b/libavcodec/mpeg4videoenc.c
@ -862,11 +862,9 @@ void ff_mpeg4_encode_mb(MpegEncContext *s, int16_t block[6][64],
 */
 void ff_mpeg4_stuffing(PutBitContext *pbc)
 {
-    int length;
-    put_bits(pbc, 1, 0);
-    length = (-put_bits_count(pbc)) & 7;
-    if (length)
-        put_bits(pbc, length, (1 << length) - 1);
+    int length = 8 - (put_bits_count(pbc) & 7);
+
+    put_bits(pbc, length, (1 << (length - 1)) - 1);
 }

 /* must be called before writing the header */