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authorChristophe Gisquet <christophe.gisquet@gmail.com>2014-05-30 16:28:49 +0200
committerMichael Niedermayer <michaelni@gmx.at>2014-06-05 20:31:59 +0200
commitccff45a0d3c981edc97078885e2a630e0436ce31 (patch)
tree978070bbff082597623c0c954e9890b6839e794d /libavcodec/lossless_audiodsp.c
parent151f88d507f18c0aae011f9e88f40c508c11640f (diff)
downloadffmpeg-streaming-ccff45a0d3c981edc97078885e2a630e0436ce31.zip
ffmpeg-streaming-ccff45a0d3c981edc97078885e2a630e0436ce31.tar.gz
apedsp: move to llauddsp
APE is not the sole codec using scalarproduct_and_madd_int16. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/lossless_audiodsp.c')
-rw-r--r--libavcodec/lossless_audiodsp.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/libavcodec/lossless_audiodsp.c b/libavcodec/lossless_audiodsp.c
new file mode 100644
index 0000000..32f4c9e
--- /dev/null
+++ b/libavcodec/lossless_audiodsp.c
@@ -0,0 +1,49 @@
+/*
+ * Monkey's Audio lossless audio decoder
+ * Copyright (c) 2007 Benjamin Zores <ben@geexbox.org>
+ * based upon libdemac from Dave Chapman.
+ *
+ * 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 "avcodec.h"
+#include "lossless_audiodsp.h"
+
+static int32_t scalarproduct_and_madd_int16_c(int16_t *v1, const int16_t *v2,
+ const int16_t *v3,
+ int order, int mul)
+{
+ int res = 0;
+
+ while (order--) {
+ res += *v1 * *v2++;
+ *v1++ += mul * *v3++;
+ }
+ return res;
+}
+
+av_cold void ff_llauddsp_init(LLAudDSPContext *c)
+{
+ c->scalarproduct_and_madd_int16 = scalarproduct_and_madd_int16_c;
+
+ if (ARCH_ARM)
+ ff_llauddsp_init_arm(c);
+ if (ARCH_PPC)
+ ff_llauddsp_init_ppc(c);
+ if (ARCH_X86)
+ ff_llauddsp_init_x86(c);
+}
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