From 741fb4b9e135cfb161a749db88713229038577bb Mon Sep 17 00:00:00 2001 From: Tim Redfern Date: Thu, 5 Sep 2013 17:55:35 +0100 Subject: making act segmenter --- ffmpeg1/libavcodec/dcadsp.c | 51 --------------------------------------------- 1 file changed, 51 deletions(-) delete mode 100644 ffmpeg1/libavcodec/dcadsp.c (limited to 'ffmpeg1/libavcodec/dcadsp.c') diff --git a/ffmpeg1/libavcodec/dcadsp.c b/ffmpeg1/libavcodec/dcadsp.c deleted file mode 100644 index dd4994d..0000000 --- a/ffmpeg1/libavcodec/dcadsp.c +++ /dev/null @@ -1,51 +0,0 @@ -/* - * Copyright (c) 2004 Gildas Bazin - * Copyright (c) 2010 Mans Rullgard - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "config.h" -#include "dcadsp.h" - -static void dca_lfe_fir_c(float *out, const float *in, const float *coefs, - int decifactor, float scale) -{ - float *out2 = out + decifactor; - const float *cf0 = coefs; - const float *cf1 = coefs + 256; - int j, k; - - /* One decimated sample generates 2*decifactor interpolated ones */ - for (k = 0; k < decifactor; k++) { - float v0 = 0.0; - float v1 = 0.0; - for (j = 0; j < 256 / decifactor; j++) { - float s = in[-j]; - v0 += s * *cf0++; - v1 += s * *--cf1; - } - *out++ = v0 * scale; - *out2++ = v1 * scale; - } -} - -void ff_dcadsp_init(DCADSPContext *s) -{ - s->lfe_fir = dca_lfe_fir_c; - if (ARCH_ARM) ff_dcadsp_init_arm(s); -} -- cgit v1.2.3