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Rev | Author | Line No. | Line |
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4349 | Serge | 1 | /* |
2 | * log functions |
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3 | * Copyright (c) 2003 Michel Bardiaux |
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4 | * |
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5 | * This file is part of FFmpeg. |
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6 | * |
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7 | * FFmpeg is free software; you can redistribute it and/or |
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8 | * modify it under the terms of the GNU Lesser General Public |
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9 | * License as published by the Free Software Foundation; either |
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10 | * version 2.1 of the License, or (at your option) any later version. |
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11 | * |
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12 | * FFmpeg is distributed in the hope that it will be useful, |
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 | * Lesser General Public License for more details. |
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16 | * |
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17 | * You should have received a copy of the GNU Lesser General Public |
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18 | * License along with FFmpeg; if not, write to the Free Software |
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19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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20 | */ |
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21 | |||
22 | /** |
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23 | * @file |
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24 | * logging functions |
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25 | */ |
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26 | |||
27 | #include "config.h" |
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28 | |||
29 | #if HAVE_UNISTD_H |
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30 | #include |
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31 | #endif |
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32 | #include |
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33 | #include |
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34 | #include "avutil.h" |
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35 | #include "bprint.h" |
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36 | #include "common.h" |
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37 | #include "internal.h" |
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38 | #include "log.h" |
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39 | |||
40 | #if HAVE_PTHREADS |
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41 | #include |
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42 | static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; |
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43 | #endif |
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44 | |||
45 | #define LINE_SZ 1024 |
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46 | |||
47 | static int av_log_level = AV_LOG_INFO; |
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48 | static int flags; |
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49 | |||
50 | #define HAVE_SETCONSOLETEXTATTRIBUTE 0 |
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51 | |||
52 | #if HAVE_SETCONSOLETEXTATTRIBUTE |
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53 | #include |
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54 | static const uint8_t color[16 + AV_CLASS_CATEGORY_NB] = { |
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55 | [AV_LOG_PANIC /8] = 12, |
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56 | [AV_LOG_FATAL /8] = 12, |
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57 | [AV_LOG_ERROR /8] = 12, |
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58 | [AV_LOG_WARNING/8] = 14, |
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59 | [AV_LOG_INFO /8] = 7, |
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60 | [AV_LOG_VERBOSE/8] = 10, |
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61 | [AV_LOG_DEBUG /8] = 10, |
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62 | [16+AV_CLASS_CATEGORY_NA ] = 7, |
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63 | [16+AV_CLASS_CATEGORY_INPUT ] = 13, |
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64 | [16+AV_CLASS_CATEGORY_OUTPUT ] = 5, |
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65 | [16+AV_CLASS_CATEGORY_MUXER ] = 13, |
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66 | [16+AV_CLASS_CATEGORY_DEMUXER ] = 5, |
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67 | [16+AV_CLASS_CATEGORY_ENCODER ] = 11, |
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68 | [16+AV_CLASS_CATEGORY_DECODER ] = 3, |
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69 | [16+AV_CLASS_CATEGORY_FILTER ] = 10, |
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70 | [16+AV_CLASS_CATEGORY_BITSTREAM_FILTER] = 9, |
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71 | [16+AV_CLASS_CATEGORY_SWSCALER ] = 7, |
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72 | [16+AV_CLASS_CATEGORY_SWRESAMPLER ] = 7, |
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73 | }; |
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74 | |||
75 | static int16_t background, attr_orig; |
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76 | static HANDLE con; |
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77 | #define set_color(x) SetConsoleTextAttribute(con, background | color[x]) |
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78 | #define set_256color set_color |
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79 | #define reset_color() SetConsoleTextAttribute(con, attr_orig) |
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80 | #else |
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81 | |||
82 | static const uint32_t color[16 + AV_CLASS_CATEGORY_NB] = { |
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83 | [AV_LOG_PANIC /8] = 52 << 16 | 196 << 8 | 0x41, |
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84 | [AV_LOG_FATAL /8] = 208 << 8 | 0x41, |
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85 | [AV_LOG_ERROR /8] = 196 << 8 | 0x11, |
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86 | [AV_LOG_WARNING/8] = 226 << 8 | 0x03, |
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87 | [AV_LOG_INFO /8] = 253 << 8 | 0x09, |
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88 | [AV_LOG_VERBOSE/8] = 40 << 8 | 0x02, |
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89 | [AV_LOG_DEBUG /8] = 34 << 8 | 0x02, |
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90 | [16+AV_CLASS_CATEGORY_NA ] = 250 << 8 | 0x09, |
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91 | [16+AV_CLASS_CATEGORY_INPUT ] = 219 << 8 | 0x15, |
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92 | [16+AV_CLASS_CATEGORY_OUTPUT ] = 201 << 8 | 0x05, |
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93 | [16+AV_CLASS_CATEGORY_MUXER ] = 213 << 8 | 0x15, |
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94 | [16+AV_CLASS_CATEGORY_DEMUXER ] = 207 << 8 | 0x05, |
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95 | [16+AV_CLASS_CATEGORY_ENCODER ] = 51 << 8 | 0x16, |
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96 | [16+AV_CLASS_CATEGORY_DECODER ] = 39 << 8 | 0x06, |
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97 | [16+AV_CLASS_CATEGORY_FILTER ] = 155 << 8 | 0x12, |
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98 | [16+AV_CLASS_CATEGORY_BITSTREAM_FILTER] = 192 << 8 | 0x14, |
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99 | [16+AV_CLASS_CATEGORY_SWSCALER ] = 153 << 8 | 0x14, |
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100 | [16+AV_CLASS_CATEGORY_SWRESAMPLER ] = 147 << 8 | 0x14, |
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101 | }; |
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102 | |||
103 | #define set_color(x) fprintf(stderr, "\033[%d;3%dm", (color[x] >> 4) & 15, color[x] & 15) |
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104 | #define set_256color(x) fprintf(stderr, "\033[48;5;%dm\033[38;5;%dm", (color[x] >> 16) & 0xff, (color[x] >> 8) & 0xff) |
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105 | #define reset_color() fprintf(stderr, "\033[0m") |
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106 | #endif |
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5370 | serge | 107 | static int use_color = 0; |
4349 | Serge | 108 | |
109 | static void colored_fputs(int level, const char *str) |
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110 | { |
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111 | if (use_color < 0) { |
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112 | #if HAVE_SETCONSOLETEXTATTRIBUTE |
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113 | CONSOLE_SCREEN_BUFFER_INFO con_info; |
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114 | con = GetStdHandle(STD_ERROR_HANDLE); |
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115 | use_color = (con != INVALID_HANDLE_VALUE) && !getenv("NO_COLOR") && |
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116 | !getenv("AV_LOG_FORCE_NOCOLOR"); |
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117 | if (use_color) { |
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118 | GetConsoleScreenBufferInfo(con, &con_info); |
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119 | attr_orig = con_info.wAttributes; |
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120 | background = attr_orig & 0xF0; |
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121 | } |
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122 | #elif HAVE_ISATTY |
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123 | // use_color = !getenv("NO_COLOR") && !getenv("AV_LOG_FORCE_NOCOLOR") && |
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124 | // (getenv("TERM") && isatty(2) || |
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125 | // getenv("AV_LOG_FORCE_COLOR")); |
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126 | #else |
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127 | // use_color = getenv("AV_LOG_FORCE_COLOR") && !getenv("NO_COLOR") && |
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128 | // !getenv("AV_LOG_FORCE_NOCOLOR"); |
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129 | #endif |
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130 | } |
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131 | |||
132 | if (use_color == 1) { |
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133 | set_color(level); |
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134 | } else if (use_color == 256) |
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135 | set_256color(level); |
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136 | fputs(str, stderr); |
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137 | if (use_color) { |
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138 | reset_color(); |
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139 | } |
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140 | } |
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141 | |||
142 | const char *av_default_item_name(void *ptr) |
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143 | { |
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144 | return (*(AVClass **) ptr)->class_name; |
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145 | } |
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146 | |||
147 | AVClassCategory av_default_get_category(void *ptr) |
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148 | { |
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149 | return (*(AVClass **) ptr)->category; |
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150 | } |
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151 | |||
152 | static void sanitize(uint8_t *line){ |
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153 | while(*line){ |
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154 | if(*line < 0x08 || (*line > 0x0D && *line < 0x20)) |
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155 | *line='?'; |
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156 | line++; |
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157 | } |
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158 | } |
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159 | |||
160 | static int get_category(void *ptr){ |
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161 | AVClass *avc = *(AVClass **) ptr; |
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162 | if( !avc |
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163 | || (avc->version&0xFF)<100 |
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164 | || avc->version < (51 << 16 | 59 << 8) |
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165 | || avc->category >= AV_CLASS_CATEGORY_NB) return AV_CLASS_CATEGORY_NA + 16; |
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166 | |||
167 | if(avc->get_category) |
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168 | return avc->get_category(ptr) + 16; |
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169 | |||
170 | return avc->category + 16; |
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171 | } |
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172 | |||
173 | static void format_line(void *ptr, int level, const char *fmt, va_list vl, |
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174 | AVBPrint part[3], int *print_prefix, int type[2]) |
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175 | { |
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176 | AVClass* avc = ptr ? *(AVClass **) ptr : NULL; |
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177 | av_bprint_init(part+0, 0, 1); |
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178 | av_bprint_init(part+1, 0, 1); |
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179 | av_bprint_init(part+2, 0, 65536); |
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180 | |||
181 | if(type) type[0] = type[1] = AV_CLASS_CATEGORY_NA + 16; |
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182 | if (*print_prefix && avc) { |
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183 | if (avc->parent_log_context_offset) { |
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184 | AVClass** parent = *(AVClass ***) (((uint8_t *) ptr) + |
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185 | avc->parent_log_context_offset); |
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186 | if (parent && *parent) { |
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187 | av_bprintf(part+0, "[%s @ %p] ", |
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188 | (*parent)->item_name(parent), parent); |
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189 | if(type) type[0] = get_category(parent); |
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190 | } |
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191 | } |
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192 | av_bprintf(part+1, "[%s @ %p] ", |
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193 | avc->item_name(ptr), ptr); |
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194 | if(type) type[1] = get_category(ptr); |
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195 | } |
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196 | |||
197 | av_vbprintf(part+2, fmt, vl); |
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198 | |||
199 | if(*part[0].str || *part[1].str || *part[2].str) { |
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200 | char lastc = part[2].len ? part[2].str[part[2].len - 1] : 0; |
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201 | *print_prefix = lastc == '\n' || lastc == '\r'; |
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202 | } |
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203 | } |
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204 | |||
205 | void av_log_format_line(void *ptr, int level, const char *fmt, va_list vl, |
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206 | char *line, int line_size, int *print_prefix) |
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207 | { |
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208 | AVBPrint part[3]; |
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209 | format_line(ptr, level, fmt, vl, part, print_prefix, NULL); |
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210 | snprintf(line, line_size, "%s%s%s", part[0].str, part[1].str, part[2].str); |
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211 | av_bprint_finalize(part+2, NULL); |
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212 | } |
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213 | |||
214 | void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl) |
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215 | { |
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216 | static int print_prefix = 1; |
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217 | static int count; |
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218 | static char prev[LINE_SZ]; |
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219 | AVBPrint part[3]; |
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220 | char line[LINE_SZ]; |
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221 | static int is_atty; |
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222 | int type[2]; |
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223 | |||
224 | if (level > av_log_level) |
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225 | return; |
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226 | #if HAVE_PTHREADS |
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227 | pthread_mutex_lock(&mutex); |
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228 | #endif |
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229 | |||
230 | format_line(ptr, level, fmt, vl, part, &print_prefix, type); |
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231 | snprintf(line, sizeof(line), "%s%s%s", part[0].str, part[1].str, part[2].str); |
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232 | |||
233 | |||
234 | if (print_prefix && (flags & AV_LOG_SKIP_REPEATED) && !strcmp(line, prev) && |
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235 | *line && line[strlen(line) - 1] != '\r'){ |
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236 | count++; |
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237 | if (is_atty == 1) |
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238 | fprintf(stderr, " Last message repeated %d times\r", count); |
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239 | goto end; |
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240 | } |
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241 | if (count > 0) { |
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242 | fprintf(stderr, " Last message repeated %d times\n", count); |
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243 | count = 0; |
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244 | } |
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245 | strcpy(prev, line); |
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246 | sanitize(part[0].str); |
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247 | colored_fputs(type[0], part[0].str); |
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248 | sanitize(part[1].str); |
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249 | colored_fputs(type[1], part[1].str); |
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250 | sanitize(part[2].str); |
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251 | colored_fputs(av_clip(level >> 3, 0, 6), part[2].str); |
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252 | end: |
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253 | av_bprint_finalize(part+2, NULL); |
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254 | #if HAVE_PTHREADS |
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255 | pthread_mutex_unlock(&mutex); |
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256 | #endif |
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257 | } |
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258 | |||
259 | static void (*av_log_callback)(void*, int, const char*, va_list) = |
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260 | av_log_default_callback; |
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261 | |||
262 | void av_log(void* avcl, int level, const char *fmt, ...) |
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263 | { |
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264 | AVClass* avc = avcl ? *(AVClass **) avcl : NULL; |
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265 | va_list vl; |
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266 | va_start(vl, fmt); |
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267 | if (avc && avc->version >= (50 << 16 | 15 << 8 | 2) && |
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268 | avc->log_level_offset_offset && level >= AV_LOG_FATAL) |
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269 | level += *(int *) (((uint8_t *) avcl) + avc->log_level_offset_offset); |
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270 | av_vlog(avcl, level, fmt, vl); |
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271 | va_end(vl); |
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272 | } |
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273 | |||
274 | void av_vlog(void* avcl, int level, const char *fmt, va_list vl) |
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275 | { |
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276 | void (*log_callback)(void*, int, const char*, va_list) = av_log_callback; |
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277 | if (log_callback) |
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278 | log_callback(avcl, level, fmt, vl); |
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279 | } |
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280 | |||
281 | int av_log_get_level(void) |
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282 | { |
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283 | return av_log_level; |
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284 | } |
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285 | |||
286 | void av_log_set_level(int level) |
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287 | { |
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288 | av_log_level = level; |
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289 | } |
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290 | |||
291 | void av_log_set_flags(int arg) |
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292 | { |
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293 | flags = arg; |
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294 | } |
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295 | |||
296 | void av_log_set_callback(void (*callback)(void*, int, const char*, va_list)) |
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297 | { |
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298 | av_log_callback = callback; |
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299 | } |
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300 | |||
301 | static void missing_feature_sample(int sample, void *avc, const char *msg, |
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302 | va_list argument_list) |
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303 | { |
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304 | av_vlog(avc, AV_LOG_WARNING, msg, argument_list); |
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305 | av_log(avc, AV_LOG_WARNING, " is not implemented. Update your FFmpeg " |
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306 | "version to the newest one from Git. If the problem still " |
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307 | "occurs, it means that your file has a feature which has not " |
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308 | "been implemented.\n"); |
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309 | if (sample) |
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310 | av_log(avc, AV_LOG_WARNING, "If you want to help, upload a sample " |
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311 | "of this file to ftp://upload.ffmpeg.org/MPlayer/incoming/ " |
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312 | "and contact the ffmpeg-devel mailing list.\n"); |
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313 | } |
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314 | |||
315 | void avpriv_request_sample(void *avc, const char *msg, ...) |
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316 | { |
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317 | va_list argument_list; |
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318 | |||
319 | va_start(argument_list, msg); |
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320 | missing_feature_sample(1, avc, msg, argument_list); |
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321 | va_end(argument_list); |
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322 | } |
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323 | |||
324 | void avpriv_report_missing_feature(void *avc, const char *msg, ...) |
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325 | { |
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326 | va_list argument_list; |
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327 | |||
328 | va_start(argument_list, msg); |
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329 | missing_feature_sample(0, avc, msg, argument_list); |
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330 | va_end(argument_list); |
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331 | }><>><>><>><>>100 |