Libav 0.7.1
libavcodec/tableprint.h
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00001 /*
00002  * Generate a file for hardcoded tables
00003  *
00004  * Copyright (c) 2009 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
00005  *
00006  * This file is part of Libav.
00007  *
00008  * Libav is free software; you can redistribute it and/or
00009  * modify it under the terms of the GNU Lesser General Public
00010  * License as published by the Free Software Foundation; either
00011  * version 2.1 of the License, or (at your option) any later version.
00012  *
00013  * Libav is distributed in the hope that it will be useful,
00014  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00015  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00016  * Lesser General Public License for more details.
00017  *
00018  * You should have received a copy of the GNU Lesser General Public
00019  * License along with Libav; if not, write to the Free Software
00020  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00021  */
00022 
00023 #ifndef AVCODEC_TABLEPRINT_H
00024 #define AVCODEC_TABLEPRINT_H
00025 
00026 #include <inttypes.h>
00027 #include <stdio.h>
00028 
00029 #include "libavutil/common.h"
00030 
00031 #define WRITE_1D_FUNC_ARGV(type, linebrk, fmtstr, ...)\
00032 void write_##type##_array(const type *data, int len)\
00033 {\
00034     int i;\
00035     printf("   ");\
00036     for (i = 0; i < len - 1; i++) {\
00037        printf(" "fmtstr",", __VA_ARGS__);\
00038        if ((i & linebrk) == linebrk) printf("\n   ");\
00039     }\
00040     printf(" "fmtstr"\n", __VA_ARGS__);\
00041 }
00042 
00043 #define WRITE_1D_FUNC(type, fmtstr, linebrk)\
00044     WRITE_1D_FUNC_ARGV(type, linebrk, fmtstr, data[i])
00045 
00046 #define WRITE_2D_FUNC(type)\
00047 void write_##type##_2d_array(const void *arg, int len, int len2)\
00048 {\
00049     const type *data = arg;\
00050     int i;\
00051     printf("    {\n");\
00052     for (i = 0; i < len; i++) {\
00053         write_##type##_array(data + i * len2, len2);\
00054         printf(i == len - 1 ? "    }\n" : "    }, {\n");\
00055     }\
00056 }
00057 
00062 void write_int8_t_array     (const int8_t   *, int);
00063 void write_uint8_t_array    (const uint8_t  *, int);
00064 void write_uint16_t_array   (const uint16_t *, int);
00065 void write_uint32_t_array   (const uint32_t *, int);
00066 void write_float_array      (const float    *, int);
00067 void write_int8_t_2d_array  (const void *, int, int);
00068 void write_uint8_t_2d_array (const void *, int, int);
00069 void write_uint32_t_2d_array(const void *, int, int);
00070 void write_float_2d_array   (const void *, int, int); // end of printfuncs group
00072 
00073 #define WRITE_ARRAY(prefix, type, name)                 \
00074     do {                                                \
00075         const size_t array_size = FF_ARRAY_ELEMS(name); \
00076         printf(prefix" "#type" "#name"[%zu] = {\n",     \
00077                array_size);                             \
00078         write_##type##_array(name, array_size);         \
00079         printf("};\n");                                 \
00080     } while(0)
00081 
00082 #define WRITE_2D_ARRAY(prefix, type, name)                              \
00083     do {                                                                \
00084         const size_t array_size1 = FF_ARRAY_ELEMS(name);                \
00085         const size_t array_size2 = FF_ARRAY_ELEMS(name[0]);             \
00086         printf(prefix" "#type" "#name"[%zu][%zu] = {\n",                \
00087                array_size1, array_size2 );                              \
00088         write_##type##_2d_array(name, array_size1, array_size2);        \
00089         printf("};\n");                                                 \
00090     } while(0)
00091 
00092 
00093 WRITE_1D_FUNC(int8_t,   "%3"PRIi8, 15)
00094 WRITE_1D_FUNC(uint8_t,  "0x%02"PRIx8, 15)
00095 WRITE_1D_FUNC(uint16_t, "0x%08"PRIx16, 7)
00096 WRITE_1D_FUNC(uint32_t, "0x%08"PRIx32, 7)
00097 WRITE_1D_FUNC(float,    "%.18e", 3)
00098 
00099 WRITE_2D_FUNC(int8_t)
00100 WRITE_2D_FUNC(uint8_t)
00101 WRITE_2D_FUNC(uint32_t)
00102 WRITE_2D_FUNC(float)
00103 
00104 static inline void write_fileheader(void)
00105 {
00106     printf("/* This file was automatically generated. */\n");
00107     printf("#include <stdint.h>\n");
00108 }
00109 
00110 #endif /* AVCODEC_TABLEPRINT_H */