From 096a1d5b46391f65dfd0bee6292e9962f53bd7c8 Mon Sep 17 00:00:00 2001
From: Diego Biurrun <diego@biurrun.de>
Date: Fri, 29 Aug 2014 16:56:20 +0200
Subject: [PATCH] rdft: Move some variables into a separate block
This avoids an unused variable warning with hardcoded tables.
---
libavcodec/rdft.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/libavcodec/rdft.c b/libavcodec/rdft.c
index 54cf14aa219..19652537f85 100644
--- a/libavcodec/rdft.c
+++ b/libavcodec/rdft.c
@@ -99,8 +99,6 @@ static void rdft_calc_c(RDFTContext *s, FFTSample *data)
av_cold int ff_rdft_init(RDFTContext *s, int nbits, enum RDFTransformType trans)
{
int n = 1 << nbits;
- int i;
- const double theta = (trans == DFT_R2C || trans == DFT_C2R ? -1 : 1)*2*M_PI/n;
s->nbits = nbits;
s->inverse = trans == IDFT_C2R || trans == DFT_C2R;
@@ -116,8 +114,11 @@ av_cold int ff_rdft_init(RDFTContext *s, int nbits, enum RDFTransformType trans)
s->tcos = ff_cos_tabs[nbits];
s->tsin = ff_sin_tabs[nbits]+(trans == DFT_R2C || trans == DFT_C2R)*(n>>2);
#if !CONFIG_HARDCODED_TABLES
- for (i = 0; i < (n>>2); i++) {
- s->tsin[i] = sin(i*theta);
+ {
+ int i;
+ const double theta = (trans == DFT_R2C || trans == DFT_C2R ? -1 : 1) * 2 * M_PI / n;
+ for (i = 0; i < (n >> 2); i++)
+ s->tsin[i] = sin(i * theta);
}
#endif
s->rdft_calc = rdft_calc_c;
--
GitLab