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-rw-r--r--libavcodec/mpegaudiodsp.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/libavcodec/mpegaudiodsp.c b/libavcodec/mpegaudiodsp.c
new file mode 100644
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+++ b/libavcodec/mpegaudiodsp.c
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+/*
+ * Copyright (c) 2011 Mans Rullgard
+ *
+ * This file is part of Libav.
+ *
+ * Libav 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.
+ *
+ * Libav 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 Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+#include "mpegaudiodsp.h"
+#include "dct.h"
+#include "dct32.h"
+
+void ff_mpadsp_init(MPADSPContext *s)
+{
+ DCTContext dct;
+
+ ff_dct_init(&dct, 5, DCT_II);
+
+ s->apply_window_float = ff_mpadsp_apply_window_float;
+ s->apply_window_fixed = ff_mpadsp_apply_window_fixed;
+
+ s->dct32_float = dct.dct32;
+ s->dct32_fixed = ff_dct32_fixed;
+
+ if (HAVE_MMX) ff_mpadsp_init_mmx(s);
+ if (HAVE_ALTIVEC) ff_mpadsp_init_altivec(s);
+}