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authorReimar Döffinger <Reimar.Doeffinger@gmx.de>2009-10-28 18:42:52 +0000
committerReimar Döffinger <Reimar.Doeffinger@gmx.de>2009-10-28 18:42:52 +0000
commiteadaa00c6fe1752b0460aa0c94d3df47502c78df (patch)
treeccd06bce01559b6a6414998bd3e2dfc90a016b54 /libavcodec/mpegaudio_tablegen.c
parent1a04d4c7225db023bb96b5dfb7b9368c6677da56 (diff)
Add support for hardcoding the mpegaudiodec tables.
Reduces .bss size by about 194 kB. Originally committed as revision 20400 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/mpegaudio_tablegen.c')
-rw-r--r--libavcodec/mpegaudio_tablegen.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/libavcodec/mpegaudio_tablegen.c b/libavcodec/mpegaudio_tablegen.c
new file mode 100644
index 0000000000..9f832a3b0e
--- /dev/null
+++ b/libavcodec/mpegaudio_tablegen.c
@@ -0,0 +1,60 @@
+/*
+ * Generate a header file for hardcoded mpegaudiodec tables
+ *
+ * Copyright (c) 2009 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 "mpegaudio_tablegen.h"
+#include "tableprint.h"
+
+void tableinit(void)
+{
+ mpegaudio_tableinit();
+}
+
+const struct tabledef tables[] = {
+ {
+ "static const int8_t table_4_3_exp[TABLE_4_3_SIZE]",
+ write_int8_array,
+ table_4_3_exp,
+ TABLE_4_3_SIZE
+ },
+ {
+ "static const uint32_t table_4_3_value[TABLE_4_3_SIZE]",
+ write_uint32_array,
+ table_4_3_value,
+ TABLE_4_3_SIZE
+ },
+ {
+ "static const uint32_t exp_table[512]",
+ write_uint32_array,
+ exp_table,
+ 512
+ },
+ {
+ "static const uint32_t expval_table[512][16]",
+ write_uint32_2d_array,
+ expval_table,
+ 512,
+ 16
+ },
+ { NULL }
+};