[FFmpeg-devel] [PATCH] libavcodec/mpegvideo_xvmc.c: simplify expression

Nicolas Kaiser nikai
Fri Nov 5 21:22:13 CET 2010


Hi there!

I noticed an expression that can be simplified like:
 (a || (!a && !b)) => (a || !b)

Best regards,
Nicolas Kaiser
---
 libavcodec/mpegvideo_xvmc.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/libavcodec/mpegvideo_xvmc.c b/libavcodec/mpegvideo_xvmc.c
index a245200..0a5a750 100644
--- a/libavcodec/mpegvideo_xvmc.c
+++ b/libavcodec/mpegvideo_xvmc.c
@@ -301,7 +301,7 @@ void ff_xvmc_decode_mb(MpegEncContext *s)
     for (i = 0; i < blocks_per_mb; i++) {
         if (s->block_last_index[i] >= 0) {
             // I do not have unsigned_intra MOCO to test, hope it is OK.
-            if (s->mb_intra && (render->idct || (!render->idct && !render->unsigned_intra)))
+            if (s->mb_intra && (render->idct || !render->unsigned_intra))
                 *s->pblocks[i][0] -= 1 << 10;
             if (!render->idct) {
                 s->dsp.idct(*s->pblocks[i]);
-- 
1.7.2.2



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