diff options
author | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2009-10-28 21:42:52 +0300 |
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committer | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2009-10-28 21:42:52 +0300 |
commit | eadaa00c6fe1752b0460aa0c94d3df47502c78df (patch) | |
tree | ccd06bce01559b6a6414998bd3e2dfc90a016b54 /libavcodec/tableprint.c | |
parent | 1a04d4c7225db023bb96b5dfb7b9368c6677da56 (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/tableprint.c')
-rw-r--r-- | libavcodec/tableprint.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/libavcodec/tableprint.c b/libavcodec/tableprint.c new file mode 100644 index 0000000000..f0d0403a6b --- /dev/null +++ b/libavcodec/tableprint.c @@ -0,0 +1,72 @@ +/* + * 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 + */ + +#include <stdio.h> +#include <inttypes.h> +#include "tableprint.h" + +#define WRITE_1D_FUNC(name, type, fmtstr, linebrk)\ +void write_##name##_array(const void *arg, int len, int dummy)\ +{\ + const type *data = arg;\ + int i;\ + printf(" ");\ + for (i = 0; i < len - 1; i++) {\ + printf(" "fmtstr",", data[i]);\ + if ((i & linebrk) == linebrk) printf("\n ");\ + }\ + printf(" "fmtstr"\n", data[i]);\ +} + +WRITE_1D_FUNC(int8, int8_t, "%3"PRIi8, 15) +WRITE_1D_FUNC(uint32, uint32_t, "0x%08x", 7) + +#define WRITE_2D_FUNC(name, type)\ +void write_##name##_2d_array(const void *arg, int len, int len2)\ +{\ + const type *data = arg;\ + int i;\ + printf(" {");\ + for (i = 0; i < len; i++) {\ + write_##name##_array(data + i * len2, len2, 0);\ + printf(i == len - 1 ? " }\n" : " }, {\n");\ + }\ +} + +WRITE_2D_FUNC(uint32, uint32_t) + +int main(int argc, char *argv[]) +{ + int i; + + printf("/* This file was generated by libavcodec/tableprint */\n"); + printf("#include <stdint.h>\n"); + tableinit(); + + for (i = 0; tables[i].declaration; i++) { + printf(tables[i].declaration); + printf(" = {\n"); + tables[i].printfunc(tables[i].data, tables[i].size, tables[i].size2); + printf("};\n"); + } + return 0; +} |