aacsbr: support hardcoding tables.

For sbr_qmf_window_us there is even a question if it maybe
should be fully hardcoded all the time.
Since half of it is coded, it ends up in .data and not .bss.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>

1 files changed, 39 insertions, 0 deletions

diff --git a/libavcodec/aacsbr_tablegen.c b/libavcodec/aacsbr_tablegen.c
new file mode 100644
index 0000000000..c3c0f0ce2b
--- /dev/null
+++ b/libavcodec/aacsbr_tablegen.c
@@ -0,0 +1,39 @@
+/*
+ * Header file for hardcoded AAC SBR windows
+ *
+ * Copyright (c) 2014 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 "libavutil/common.h"
+#include "aacsbr_tablegen.h"
+#include "tableprint.h"
+
+int main(void)
+{
+    aacsbr_tableinit();
+
+    write_fileheader();
+
+    WRITE_ARRAY_ALIGNED("static const", 32, float, sbr_qmf_window_ds);
+    WRITE_ARRAY_ALIGNED("static const", 32, float, sbr_qmf_window_us);
+
+    return 0;
+}