From 0073c8e34500141cf3ac5e538a1bef85f90ab16f Mon Sep 17 00:00:00 2001 From: "zhaoxiu.zeng" Date: Sat, 14 Feb 2015 00:55:34 +0800 Subject: [PATCH] avcodec/apedec: move 'coeffs[256] and delay[256]' into, long_filter_high_3800 Signed-off-by: Zeng Zhaoxiu Signed-off-by: Michael Niedermayer --- libavcodec/apedec.c | 18 ++++++++---------- 1 file 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--) {