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authorReimar Döffinger <Reimar.Doeffinger@gmx.de>2010-03-14 19:59:47 +0000
committerReimar Döffinger <Reimar.Doeffinger@gmx.de>2010-03-14 19:59:47 +0000
commitc26bce1070a409ae2fefce8fb43d26228d108f7e (patch)
treedd0a6b30e0f0f9de49b43e5913b7aefc6f586d80 /libavcodec/cbrt_tablegen.c
parent7732f641ffd23670b9e84f07a0ec3b3b360b8a64 (diff)
Allow hard-coding of the 32kB cubic-root table for AAC.
Originally committed as revision 22527 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/cbrt_tablegen.c')
-rw-r--r--libavcodec/cbrt_tablegen.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/libavcodec/cbrt_tablegen.c b/libavcodec/cbrt_tablegen.c
new file mode 100644
index 0000000000..9a0ffcfa1a
--- /dev/null
+++ b/libavcodec/cbrt_tablegen.c
@@ -0,0 +1,42 @@
+/*
+ * Generate a header file for hardcoded AAC cube-root table
+ *
+ * Copyright (c) 2010 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
+ *
+ * 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 <stdlib.h>
+#define CONFIG_HARDCODED_TABLES 0
+#include "cbrt_tablegen.h"
+#include "tableprint.h"
+
+void tableinit(void)
+{
+ cbrt_tableinit();
+}
+
+const struct tabledef tables[] = {
+ {
+ "static const uint32_t cbrt_tab[1<<13]",
+ write_uint32_array,
+ cbrt_tab,
+ 1 << 13,
+ 0
+ },
+ { NULL }
+};