Simplify ctx calculation in decode_cabac_mb_dqp()

no speed change Originally committed as revision 16231 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago · 7cfca0dfd8
parent d43696309a
commit 7cfca0dfd8
1 changed files with 1 additions and 4 deletions
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@ -4955,12 +4955,9 @@ static int decode_cabac_mb_cbp_chroma( H264Context *h) {
    return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] );
 }
 static int decode_cabac_mb_dqp( H264Context *h) {
-    int   ctx = 0;
+    int   ctx= h->last_qscale_diff != 0;
    int   val = 0;

-    if( h->last_qscale_diff != 0 )
-        ctx++;
-
    while( get_cabac_noinline( &h->cabac, &h->cabac_state[60 + ctx] ) ) {
        if( ctx < 2 )
            ctx = 2;