3 * Copyright (c) 2003 Michel Bardiaux
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
38 static int av_log_level = AV_LOG_INFO;
41 #if defined(_WIN32) && !defined(__MINGW32CE__)
44 static const uint8_t color[16 + AV_CLASS_CATEGORY_NB] = {
45 [AV_LOG_PANIC /8] = 12,
46 [AV_LOG_FATAL /8] = 12,
47 [AV_LOG_ERROR /8] = 12,
48 [AV_LOG_WARNING/8] = 14,
50 [AV_LOG_VERBOSE/8] = 10,
51 [AV_LOG_DEBUG /8] = 10,
52 [16+AV_CLASS_CATEGORY_NA ] = 7,
53 [16+AV_CLASS_CATEGORY_INPUT ] = 13,
54 [16+AV_CLASS_CATEGORY_OUTPUT ] = 5,
55 [16+AV_CLASS_CATEGORY_MUXER ] = 13,
56 [16+AV_CLASS_CATEGORY_DEMUXER ] = 5,
57 [16+AV_CLASS_CATEGORY_ENCODER ] = 11,
58 [16+AV_CLASS_CATEGORY_DECODER ] = 3,
59 [16+AV_CLASS_CATEGORY_FILTER ] = 10,
60 [16+AV_CLASS_CATEGORY_BITSTREAM_FILTER] = 9,
61 [16+AV_CLASS_CATEGORY_SWSCALER ] = 7,
62 [16+AV_CLASS_CATEGORY_SWRESAMPLER ] = 7,
65 static int16_t background, attr_orig;
67 #define set_color(x) SetConsoleTextAttribute(con, background | color[x])
68 #define set_256color set_color
69 #define reset_color() SetConsoleTextAttribute(con, attr_orig)
72 static const uint32_t color[16 + AV_CLASS_CATEGORY_NB] = {
73 [AV_LOG_PANIC /8] = 52 << 16 | 196 << 8 | 0x41,
74 [AV_LOG_FATAL /8] = 208 << 8 | 0x41,
75 [AV_LOG_ERROR /8] = 196 << 8 | 0x11,
76 [AV_LOG_WARNING/8] = 226 << 8 | 0x03,
77 [AV_LOG_INFO /8] = 253 << 8 | 0x09,
78 [AV_LOG_VERBOSE/8] = 40 << 8 | 0x02,
79 [AV_LOG_DEBUG /8] = 34 << 8 | 0x02,
80 [16+AV_CLASS_CATEGORY_NA ] = 250 << 8 | 0x09,
81 [16+AV_CLASS_CATEGORY_INPUT ] = 219 << 8 | 0x15,
82 [16+AV_CLASS_CATEGORY_OUTPUT ] = 201 << 8 | 0x05,
83 [16+AV_CLASS_CATEGORY_MUXER ] = 213 << 8 | 0x15,
84 [16+AV_CLASS_CATEGORY_DEMUXER ] = 207 << 8 | 0x05,
85 [16+AV_CLASS_CATEGORY_ENCODER ] = 51 << 8 | 0x16,
86 [16+AV_CLASS_CATEGORY_DECODER ] = 39 << 8 | 0x06,
87 [16+AV_CLASS_CATEGORY_FILTER ] = 155 << 8 | 0x12,
88 [16+AV_CLASS_CATEGORY_BITSTREAM_FILTER] = 192 << 8 | 0x14,
89 [16+AV_CLASS_CATEGORY_SWSCALER ] = 153 << 8 | 0x14,
90 [16+AV_CLASS_CATEGORY_SWRESAMPLER ] = 147 << 8 | 0x14,
93 #define set_color(x) fprintf(stderr, "\033[%d;3%dm", (color[x] >> 4) & 15, color[x] & 15)
94 #define set_256color(x) fprintf(stderr, "\033[48;5;%dm\033[38;5;%dm", (color[x] >> 16) & 0xff, (color[x] >> 8) & 0xff)
95 #define reset_color() fprintf(stderr, "\033[0m")
97 static int use_color = -1;
100 static void colored_fputs(int level, const char *str)
103 #if defined(_WIN32) && !defined(__MINGW32CE__)
104 CONSOLE_SCREEN_BUFFER_INFO con_info;
105 con = GetStdHandle(STD_ERROR_HANDLE);
106 use_color = (con != INVALID_HANDLE_VALUE) && !getenv("NO_COLOR") &&
107 !getenv("AV_LOG_FORCE_NOCOLOR");
109 GetConsoleScreenBufferInfo(con, &con_info);
110 attr_orig = con_info.wAttributes;
111 background = attr_orig & 0xF0;
114 use_color = !getenv("NO_COLOR") && !getenv("AV_LOG_FORCE_NOCOLOR") &&
115 (getenv("TERM") && isatty(2) ||
116 getenv("AV_LOG_FORCE_COLOR"));
117 if (getenv("AV_LOG_FORCE_256COLOR"))
120 use_color = getenv("AV_LOG_FORCE_COLOR") && !getenv("NO_COLOR") &&
121 !getenv("AV_LOG_FORCE_NOCOLOR");
125 if (use_color == 1) {
127 } else if (use_color == 256)
135 const char *av_default_item_name(void *ptr)
137 return (*(AVClass **) ptr)->class_name;
140 AVClassCategory av_default_get_category(void *ptr)
142 return (*(AVClass **) ptr)->category;
145 static void sanitize(uint8_t *line){
147 if(*line < 0x08 || (*line > 0x0D && *line < 0x20))
153 static int get_category(void *ptr){
154 AVClass *avc = *(AVClass **) ptr;
156 || (avc->version&0xFF)<100
157 || avc->version < (51 << 16 | 59 << 8)
158 || avc->category >= AV_CLASS_CATEGORY_NB) return AV_CLASS_CATEGORY_NA + 16;
160 if(avc->get_category)
161 return avc->get_category(ptr) + 16;
163 return avc->category + 16;
166 static void format_line(void *ptr, int level, const char *fmt, va_list vl,
167 char part[3][LINE_SZ], int part_size, int *print_prefix, int type[2])
169 AVClass* avc = ptr ? *(AVClass **) ptr : NULL;
170 part[0][0] = part[1][0] = part[2][0] = 0;
171 if(type) type[0] = type[1] = AV_CLASS_CATEGORY_NA + 16;
172 if (*print_prefix && avc) {
173 if (avc->parent_log_context_offset) {
174 AVClass** parent = *(AVClass ***) (((uint8_t *) ptr) +
175 avc->parent_log_context_offset);
176 if (parent && *parent) {
177 snprintf(part[0], part_size, "[%s @ %p] ",
178 (*parent)->item_name(parent), parent);
179 if(type) type[0] = get_category(((uint8_t *) ptr) + avc->parent_log_context_offset);
182 snprintf(part[1], part_size, "[%s @ %p] ",
183 avc->item_name(ptr), ptr);
184 if(type) type[1] = get_category(ptr);
187 vsnprintf(part[2], part_size, fmt, vl);
189 *print_prefix = strlen(part[2]) && part[2][strlen(part[2]) - 1] == '\n';
192 void av_log_format_line(void *ptr, int level, const char *fmt, va_list vl,
193 char *line, int line_size, int *print_prefix)
195 char part[3][LINE_SZ];
196 format_line(ptr, level, fmt, vl, part, sizeof(part[0]), print_prefix, NULL);
197 snprintf(line, line_size, "%s%s%s", part[0], part[1], part[2]);
200 void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
202 static int print_prefix = 1;
204 static char prev[LINE_SZ];
205 char part[3][LINE_SZ];
210 if (level > av_log_level)
212 format_line(ptr, level, fmt, vl, part, sizeof(part[0]), &print_prefix, type);
213 snprintf(line, sizeof(line), "%s%s%s", part[0], part[1], part[2]);
217 is_atty = isatty(2) ? 1 : -1;
221 if (print_prefix && (flags & AV_LOG_SKIP_REPEATED) && !strcmp(line, prev)){
224 fprintf(stderr, " Last message repeated %d times\r", count);
228 fprintf(stderr, " Last message repeated %d times\n", count);
233 colored_fputs(type[0], part[0]);
235 colored_fputs(type[1], part[1]);
237 colored_fputs(av_clip(level >> 3, 0, 6), part[2]);
240 static void (*av_log_callback)(void*, int, const char*, va_list) =
241 av_log_default_callback;
243 void av_log(void* avcl, int level, const char *fmt, ...)
245 AVClass* avc = avcl ? *(AVClass **) avcl : NULL;
248 if (avc && avc->version >= (50 << 16 | 15 << 8 | 2) &&
249 avc->log_level_offset_offset && level >= AV_LOG_FATAL)
250 level += *(int *) (((uint8_t *) avcl) + avc->log_level_offset_offset);
251 av_vlog(avcl, level, fmt, vl);
255 void av_vlog(void* avcl, int level, const char *fmt, va_list vl)
258 av_log_callback(avcl, level, fmt, vl);
261 int av_log_get_level(void)
266 void av_log_set_level(int level)
268 av_log_level = level;
271 void av_log_set_flags(int arg)
276 void av_log_set_callback(void (*callback)(void*, int, const char*, va_list))
278 av_log_callback = callback;