Allow hardcoding of ulaw and alaw tables.

Originally committed as revision 22762 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 45 insertions, 0 deletions

diff --git a/libavcodec/pcm_tablegen.c b/libavcodec/pcm_tablegen.c
new file mode 100644
index 0000000000..57ecb43dc6
--- /dev/null
+++ b/libavcodec/pcm_tablegen.c
@@ -0,0 +1,45 @@
+/*
+ * Generate a header file for hardcoded PCM 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 CONFIG_HARDCODED_TABLES 0
+#include "pcm_tablegen.h"
+#include "tableprint.h"
+
+int main(void)
+{
+    pcm_alaw_tableinit();
+    pcm_ulaw_tableinit();
+
+    write_fileheader();
+
+    printf("static const uint8_t linear_to_alaw[1 << 14] = {\n");
+    write_uint8_array(linear_to_alaw, 1 << 14);
+    printf("};\n");
+
+    printf("static const uint8_t linear_to_ulaw[1 << 14] = {\n");
+    write_uint8_array(linear_to_ulaw, 1 << 14);
+    printf("};\n");
+
+    return 0;
+}
+