From eca1957c4cbee66a0b1f3dcabaffe68d61885f16 Mon Sep 17 00:00:00 2001
From: Christophe Gisquet <christophe.gisquet@gmail.com>
Date: Thu, 10 Jul 2014 06:47:56 +0000
Subject: [PATCH] hevc: reorder loops
iterate over memory in a more continuous order
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
libavcodec/hevc.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/libavcodec/hevc.c b/libavcodec/hevc.c
index 99298a85739..bd24c055b95 100644
--- a/libavcodec/hevc.c
+++ b/libavcodec/hevc.c
@@ -1453,8 +1453,8 @@ static void hls_prediction_unit(HEVCContext *s, int x0, int y0,
x_pu = x0 >> s->sps->log2_min_pu_size;
y_pu = y0 >> s->sps->log2_min_pu_size;
- for (i = 0; i < nPbW >> s->sps->log2_min_pu_size; i++)
- for (j = 0; j < nPbH >> s->sps->log2_min_pu_size; j++)
+ for (j = 0; j < nPbH >> s->sps->log2_min_pu_size; j++)
+ for (i = 0; i < nPbW >> s->sps->log2_min_pu_size; i++)
tab_mvf[(y_pu + j) * min_pu_width + x_pu + i] = current_mv;
} else { /* MODE_INTER */
lc->pu.merge_flag = ff_hevc_merge_flag_decode(s);
@@ -1469,8 +1469,8 @@ static void hls_prediction_unit(HEVCContext *s, int x0, int y0,
x_pu = x0 >> s->sps->log2_min_pu_size;
y_pu = y0 >> s->sps->log2_min_pu_size;
- for (i = 0; i < nPbW >> s->sps->log2_min_pu_size; i++)
- for (j = 0; j < nPbH >> s->sps->log2_min_pu_size; j++)
+ for (j = 0; j < nPbH >> s->sps->log2_min_pu_size; j++)
+ for (i = 0; i < nPbW >> s->sps->log2_min_pu_size; i++)
tab_mvf[(y_pu + j) * min_pu_width + x_pu + i] = current_mv;
} else {
enum InterPredIdc inter_pred_idc = PRED_L0;
@@ -1519,8 +1519,8 @@ static void hls_prediction_unit(HEVCContext *s, int x0, int y0,
x_pu = x0 >> s->sps->log2_min_pu_size;
y_pu = y0 >> s->sps->log2_min_pu_size;
- for (i = 0; i < nPbW >> s->sps->log2_min_pu_size; i++)
- for(j = 0; j < nPbH >> s->sps->log2_min_pu_size; j++)
+ for(j = 0; j < nPbH >> s->sps->log2_min_pu_size; j++)
+ for (i = 0; i < nPbW >> s->sps->log2_min_pu_size; i++)
tab_mvf[(y_pu + j) * min_pu_width + x_pu + i] = current_mv;
}
}
--
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