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111 lines
3.8 KiB
111 lines
3.8 KiB
/* |
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* Generate a file for hardcoded tables |
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* |
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* Copyright (c) 2009 Reimar Döffinger <Reimar.Doeffinger@gmx.de> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef AVCODEC_TABLEPRINT_H |
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#define AVCODEC_TABLEPRINT_H |
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#include <inttypes.h> |
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#include <stdio.h> |
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#include "libavutil/common.h" |
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#define WRITE_1D_FUNC_ARGV(type, linebrk, fmtstr, ...)\ |
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void write_##type##_array(const type *data, int len)\ |
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{\ |
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int i;\ |
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printf(" ");\ |
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for (i = 0; i < len - 1; i++) {\ |
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printf(" "fmtstr",", __VA_ARGS__);\ |
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if ((i & linebrk) == linebrk) printf("\n ");\ |
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}\ |
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printf(" "fmtstr"\n", __VA_ARGS__);\ |
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} |
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#define WRITE_1D_FUNC(type, fmtstr, linebrk)\ |
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WRITE_1D_FUNC_ARGV(type, linebrk, fmtstr, data[i]) |
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#define WRITE_2D_FUNC(type)\ |
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void write_##type##_2d_array(const void *arg, int len, int len2)\ |
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{\ |
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const type *data = arg;\ |
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int i;\ |
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printf(" {\n");\ |
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for (i = 0; i < len; i++) {\ |
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write_##type##_array(data + i * len2, len2);\ |
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printf(i == len - 1 ? " }\n" : " }, {\n");\ |
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}\ |
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} |
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/** |
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* \defgroup printfuncs Predefined functions for printing tables |
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* |
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* \{ |
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*/ |
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void write_int8_t_array (const int8_t *, int); |
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void write_uint8_t_array (const uint8_t *, int); |
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void write_uint16_t_array (const uint16_t *, int); |
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void write_uint32_t_array (const uint32_t *, int); |
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void write_float_array (const float *, int); |
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void write_int8_t_2d_array (const void *, int, int); |
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void write_uint8_t_2d_array (const void *, int, int); |
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void write_uint32_t_2d_array(const void *, int, int); |
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void write_float_2d_array (const void *, int, int); |
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/** \} */ // end of printfuncs group |
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#define WRITE_ARRAY(prefix, type, name) \ |
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do { \ |
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const size_t array_size = FF_ARRAY_ELEMS(name); \ |
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printf(prefix" "#type" "#name"[%zu] = {\n", \ |
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array_size); \ |
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write_##type##_array(name, array_size); \ |
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printf("};\n"); \ |
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} while(0) |
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#define WRITE_2D_ARRAY(prefix, type, name) \ |
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do { \ |
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const size_t array_size1 = FF_ARRAY_ELEMS(name); \ |
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const size_t array_size2 = FF_ARRAY_ELEMS(name[0]); \ |
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printf(prefix" "#type" "#name"[%zu][%zu] = {\n", \ |
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array_size1, array_size2 ); \ |
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write_##type##_2d_array(name, array_size1, array_size2); \ |
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printf("};\n"); \ |
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} while(0) |
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WRITE_1D_FUNC(int8_t, "%3"PRIi8, 15) |
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WRITE_1D_FUNC(uint8_t, "0x%02"PRIx8, 15) |
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WRITE_1D_FUNC(uint16_t, "0x%08"PRIx16, 7) |
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WRITE_1D_FUNC(uint32_t, "0x%08"PRIx32, 7) |
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WRITE_1D_FUNC(float, "%.18e", 3) |
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WRITE_2D_FUNC(int8_t) |
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WRITE_2D_FUNC(uint8_t) |
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WRITE_2D_FUNC(uint32_t) |
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WRITE_2D_FUNC(float) |
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static inline void write_fileheader(void) |
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{ |
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printf("/* This file was automatically generated. */\n"); |
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printf("#include <stdint.h>\n"); |
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} |
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#endif /* AVCODEC_TABLEPRINT_H */
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