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authorzhaoxiu.zeng <zhaoxiu.zeng@gmail.com>2015-02-14 00:55:34 +0800
committerMichael Niedermayer <michaelni@gmx.at>2015-02-13 23:23:27 +0100
commit0073c8e34500141cf3ac5e538a1bef85f90ab16f (patch)
treef5d5187a69e810adf0c7ee1f2ebcf90af9cb482e /libavcodec
parent9e6198f0a457630dde5f433fcd1dd40e10e00333 (diff)
downloadffmpeg-0073c8e34500141cf3ac5e538a1bef85f90ab16f.tar.gz
avcodec/apedec: move 'coeffs[256] and delay[256]' into, long_filter_high_3800
Signed-off-by: Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/apedec.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c
index 383b7fe669..f1ddf80292 100644
--- a/libavcodec/apedec.c
+++ b/libavcodec/apedec.c
@@ -899,11 +899,11 @@ static av_always_inline int filter_3800(APEPredictor *p,
return p->filterA[filter];
}
-static void long_filter_high_3800(int32_t *buffer, int order, int shift,
- int32_t *coeffs, int32_t *delay, int length)
+static void long_filter_high_3800(int32_t *buffer, int order, int shift, int length)
{
int i, j;
int32_t dotprod, sign;
+ int32_t coeffs[256], delay[256];
memset(coeffs, 0, order * sizeof(*coeffs));
for (i = 0; i < order; i++)
@@ -947,13 +947,12 @@ static void predictor_decode_stereo_3800(APEContext *ctx, int count)
APEPredictor *p = &ctx->predictor;
int32_t *decoded0 = ctx->decoded[0];
int32_t *decoded1 = ctx->decoded[1];
- int32_t coeffs[256], delay[256];
int start = 4, shift = 10;
if (ctx->compression_level == COMPRESSION_LEVEL_HIGH) {
start = 16;
- long_filter_high_3800(decoded0, 16, 9, coeffs, delay, count);
- long_filter_high_3800(decoded1, 16, 9, coeffs, delay, count);
+ long_filter_high_3800(decoded0, 16, 9, count);
+ long_filter_high_3800(decoded1, 16, 9, count);
} else if (ctx->compression_level == COMPRESSION_LEVEL_EXTRA_HIGH) {
int order = 128, shift2 = 11;
@@ -965,8 +964,8 @@ static void predictor_decode_stereo_3800(APEContext *ctx, int count)
long_filter_ehigh_3830(decoded1 + order, count - order);
}
start = order;
- long_filter_high_3800(decoded0, order, shift2, coeffs, delay, count);
- long_filter_high_3800(decoded1, order, shift2, coeffs, delay, count);
+ long_filter_high_3800(decoded0, order, shift2, count);
+ long_filter_high_3800(decoded1, order, shift2, count);
}
while (count--) {
@@ -1002,12 +1001,11 @@ static void predictor_decode_mono_3800(APEContext *ctx, int count)
{
APEPredictor *p = &ctx->predictor;
int32_t *decoded0 = ctx->decoded[0];
- int32_t coeffs[256], delay[256];
int start = 4, shift = 10;
if (ctx->compression_level == COMPRESSION_LEVEL_HIGH) {
start = 16;
- long_filter_high_3800(decoded0, 16, 9, coeffs, delay, count);
+ long_filter_high_3800(decoded0, 16, 9, count);
} else if (ctx->compression_level == COMPRESSION_LEVEL_EXTRA_HIGH) {
int order = 128, shift2 = 11;
@@ -1018,7 +1016,7 @@ static void predictor_decode_mono_3800(APEContext *ctx, int count)
long_filter_ehigh_3830(decoded0 + order, count - order);
}
start = order;
- long_filter_high_3800(decoded0, order, shift2, coeffs, delay, count);
+ long_filter_high_3800(decoded0, order, shift2, count);
}
while (count--) {