/* * 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_int32_t_array (const int32_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 /* * MSVC doesn't have %zu, since it was introduced in C99, * but has its own %Iu for printing size_t values. */ #if defined(_MSC_VER) #define FMT "Iu" #else #define FMT "zu" #endif #define WRITE_ARRAY_ALIGNED(prefix, align, type, name) \ do { \ const size_t array_size = FF_ARRAY_ELEMS(name); \ printf(prefix" DECLARE_ALIGNED("#align", " \ #type", "#name")[%"FMT"] = {\n", \ array_size); \ write_##type##_array(name, array_size); \ printf("};\n"); \ } while(0) #define WRITE_ARRAY(prefix, type, name) \ do { \ const size_t array_size = FF_ARRAY_ELEMS(name); \ printf(prefix" "#type" "#name"[%"FMT"] = {\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"[%"FMT"][%"FMT"] = {\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(int16_t, "%5"PRIi16, 7) WRITE_1D_FUNC(uint32_t, "0x%08"PRIx32, 7) WRITE_1D_FUNC(int32_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 */