From 60d0b3364cc2250d3077a8a5f0d9edd88f76a548 Mon Sep 17 00:00:00 2001 From: James Zern Date: Thu, 4 Jun 2015 19:17:30 -0700 Subject: [PATCH] vp9_reconintra/d45_predictor: remove temp storage dst row 0 can be reused in the same way Change-Id: Id977da62545dcc4a89cebbcbad90ba84f8ff5d6b --- vp9/common/vp9_reconintra.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/vp9/common/vp9_reconintra.c b/vp9/common/vp9_reconintra.c index 3312f2977..650f4adde 100644 --- a/vp9/common/vp9_reconintra.c +++ b/vp9/common/vp9_reconintra.c @@ -464,15 +464,17 @@ void vp9_d45_predictor_4x4_c(uint8_t *dst, ptrdiff_t stride, static INLINE void d45_predictor(uint8_t *dst, ptrdiff_t stride, int bs, const uint8_t *above, const uint8_t *left) { const uint8_t above_right = above[bs - 1]; + const uint8_t *const dst_row0 = dst; int x, size; - uint8_t avg[31]; // TODO(jzern): this could be block size specific (void)left; for (x = 0; x < bs - 1; ++x) { - avg[x] = AVG3(above[x], above[x + 1], above[x + 2]); + dst[x] = AVG3(above[x], above[x + 1], above[x + 2]); } - for (x = 0, size = bs - 1; x < bs; ++x, --size) { - memcpy(dst, avg + x, size); + dst[bs - 1] = above_right; + dst += stride; + for (x = 1, size = bs - 2; x < bs; ++x, --size) { + memcpy(dst, dst_row0 + x, size); memset(dst + size, above_right, x + 1); dst += stride; }