From 127a20e3b8a38452b4ccedbd368281e1d3f3ce54 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 22 Dec 2008 15:53:00 +0000 Subject: [PATCH] Simplify if(), 3 cpu cycles faster in pentium dual. Originally committed as revision 16272 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/h264.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/libavcodec/h264.c b/libavcodec/h264.c index 30d7b74..7605958 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -5314,10 +5314,8 @@ static inline void compute_mb_neighbors(H264Context *h) const int left_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]); const int curr_mb_frame_flag = !MB_FIELD; const int bottom = (s->mb_y & 1); - if (bottom - ? !curr_mb_frame_flag // bottom macroblock - : (!curr_mb_frame_flag && !top_mb_frame_flag) // top macroblock - ) { + + if (!curr_mb_frame_flag && (bottom || !top_mb_frame_flag)){ h->top_mb_xy -= s->mb_stride; } if (left_mb_frame_flag != curr_mb_frame_flag) { -- 2.7.4