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Diffstat (limited to 'ffmpeg1/libavcodec/tableprint.h')
| -rw-r--r-- | ffmpeg1/libavcodec/tableprint.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/ffmpeg1/libavcodec/tableprint.h b/ffmpeg1/libavcodec/tableprint.h new file mode 100644 index 0000000..1b39dc6 --- /dev/null +++ b/ffmpeg1/libavcodec/tableprint.h @@ -0,0 +1,111 @@ +/* + * 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 <inttypes.h> +#include <stdio.h> + +#include "libavutil/common.h" + +#define WRITE_1D_FUNC_ARGV(type, linebrk, fmtstr, ...)\ +void write_##type##_array(const type *data, int len)\ +{\ + int i;\ + printf(" ");\ + for (i = 0; i < len - 1; i++) {\ + printf(" "fmtstr",", __VA_ARGS__);\ + if ((i & linebrk) == linebrk) printf("\n ");\ + }\ + printf(" "fmtstr"\n", __VA_ARGS__);\ +} + +#define WRITE_1D_FUNC(type, fmtstr, linebrk)\ + WRITE_1D_FUNC_ARGV(type, linebrk, fmtstr, data[i]) + +#define WRITE_2D_FUNC(type)\ +void write_##type##_2d_array(const void *arg, int len, int len2)\ +{\ + const type *data = arg;\ + int i;\ + printf(" {\n");\ + for (i = 0; i < len; i++) {\ + write_##type##_array(data + i * len2, len2);\ + printf(i == len - 1 ? " }\n" : " }, {\n");\ + }\ +} + +/** + * @name Predefined functions for printing tables + * + * @{ + */ +void write_int8_t_array (const int8_t *, int); +void write_uint8_t_array (const uint8_t *, int); +void write_uint16_t_array (const uint16_t *, int); +void write_uint32_t_array (const uint32_t *, int); +void write_float_array (const float *, int); +void write_int8_t_2d_array (const void *, int, int); +void write_uint8_t_2d_array (const void *, int, int); +void write_uint32_t_2d_array(const void *, int, int); +void write_float_2d_array (const void *, int, int); +/** @} */ // end of printfuncs group + +#define WRITE_ARRAY(prefix, type, name) \ + do { \ + const size_t array_size = FF_ARRAY_ELEMS(name); \ + printf(prefix" "#type" "#name"[%zu] = {\n", \ + array_size); \ + write_##type##_array(name, array_size); \ + printf("};\n"); \ + } while(0) + +#define WRITE_2D_ARRAY(prefix, type, name) \ + do { \ + const size_t array_size1 = FF_ARRAY_ELEMS(name); \ + const size_t array_size2 = FF_ARRAY_ELEMS(name[0]); \ + printf(prefix" "#type" "#name"[%zu][%zu] = {\n", \ + array_size1, array_size2 ); \ + write_##type##_2d_array(name, array_size1, array_size2); \ + printf("};\n"); \ + } while(0) + + +WRITE_1D_FUNC(int8_t, "%3"PRIi8, 15) +WRITE_1D_FUNC(uint8_t, "0x%02"PRIx8, 15) +WRITE_1D_FUNC(uint16_t, "0x%08"PRIx16, 7) +WRITE_1D_FUNC(uint32_t, "0x%08"PRIx32, 7) +WRITE_1D_FUNC(float, "%.18e", 3) + +WRITE_2D_FUNC(int8_t) +WRITE_2D_FUNC(uint8_t) +WRITE_2D_FUNC(uint32_t) +WRITE_2D_FUNC(float) + +static inline void write_fileheader(void) +{ + printf("/* This file was automatically generated. */\n"); + printf("#include <stdint.h>\n"); +} + +#endif /* AVCODEC_TABLEPRINT_H */ |