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

1 files changed, 58 insertions, 0 deletions

diff --git a/libavcodec/tableprint.h b/libavcodec/tableprint.h
new file mode 100644
index 0000000..c925c32
--- /dev/null
+++ b/libavcodec/tableprint.h
@@ -0,0 +1,58 @@
+/*
+ * Generate a file for hardcoded 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
+ */
+
+#ifndef AVCODEC_TABLEPRINT_H
+#define AVCODEC_TABLEPRINT_H
+
+#include <stdint.h>
+
+/**
+ * \defgroup printfuncs Predefined functions for printing tables
+ *
+ * \{
+ */
+void write_int8_array     (const void *, int, int);
+void write_uint32_array   (const void *, int, int);
+void write_uint32_2d_array(const void *, int, int);
+/** \} */ // end of printfuncs group
+
+struct tabledef {
+    /** String that declares the array. Adding " = { ..." after it should
+     * make a valid initializer, adding "extern" before and ";" if possible
+     * should make a valid extern declaration. */
+    const char *declaration;
+    /** Function used to print the table data (i.e. the part in {}).
+     * Should be one of the predefined write_*_array functions. */
+    void (*printfunc)(const void *, int, int);
+    /** Pointer passed to the printfunc, usually a pointer to the start
+     * of the array to be printed. */
+    const void *data;
+    int size;   ///< size of the first dimension of the array
+    int size2;  ///< size of the second dimension of the array if any
+};
+
+/** Initializes all the tables described in the tables array */
+void tableinit(void);
+/** Describes the tables that should be printed */
+extern const struct tabledef tables[];
+
+#endif /* AVCODEC_TABLEPRINT_H */