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authorReimar Döffinger <Reimar.Doeffinger@gmx.de>2010-03-14 19:30:25 +0000
committerReimar Döffinger <Reimar.Doeffinger@gmx.de>2010-03-14 19:30:25 +0000
commit062777b3436cb51c7e4908b54dc899c0a42518f7 (patch)
treee61c7c81ec759649dffea3591283747bb1f6bdbd /libavcodec/qdm2_tablegen.c
parent108d262c5614bd4e8113dc24b1a9c29d8c3cd6d7 (diff)
Allow hard-coding several QDM2 tables (about 32 kB size).
Originally committed as revision 22525 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/qdm2_tablegen.c')
-rw-r--r--libavcodec/qdm2_tablegen.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/libavcodec/qdm2_tablegen.c b/libavcodec/qdm2_tablegen.c
new file mode 100644
index 0000000000..b311e7f4db
--- /dev/null
+++ b/libavcodec/qdm2_tablegen.c
@@ -0,0 +1,73 @@
+/*
+ * Generate a header file for hardcoded QDM2 tables
+ *
+ * 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 av_cold
+#define CONFIG_HARDCODED_TABLES 0
+#include "qdm2_tablegen.h"
+#include "tableprint.h"
+
+void tableinit(void)
+{
+ softclip_table_init();
+ rnd_table_init();
+ init_noise_samples();
+}
+
+const struct tabledef tables[] = {
+ {
+ "static const uint16_t softclip_table[HARDCLIP_THRESHOLD - SOFTCLIP_THRESHOLD + 1]",
+ write_uint16_array,
+ softclip_table,
+ HARDCLIP_THRESHOLD - SOFTCLIP_THRESHOLD + 1,
+ 0
+ },
+ {
+ "static const float noise_table[4096]",
+ write_float_array,
+ noise_table,
+ 4096,
+ 0
+ },
+ {
+ "static const uint8_t random_dequant_index[256][5]",
+ write_uint8_2d_array,
+ random_dequant_index,
+ 256,
+ 5
+ },
+ {
+ "static const uint8_t random_dequant_type24[128][3]",
+ write_uint8_2d_array,
+ random_dequant_type24,
+ 128,
+ 3
+ },
+ {
+ "static const float noise_samples[128]",
+ write_float_array,
+ noise_samples,
+ 128,
+ 0
+ },
+ { NULL }
+};