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
44 static int av_log_level = AV_LOG_INFO;
47 #if HAVE_SETCONSOLETEXTATTRIBUTE
49 static const uint8_t color[16 + AV_CLASS_CATEGORY_NB] = {
50 [AV_LOG_PANIC /8] = 12,
51 [AV_LOG_FATAL /8] = 12,
52 [AV_LOG_ERROR /8] = 12,
53 [AV_LOG_WARNING/8] = 14,
55 [AV_LOG_VERBOSE/8] = 10,
56 [AV_LOG_DEBUG /8] = 10,
57 [16+AV_CLASS_CATEGORY_NA ] = 7,
58 [16+AV_CLASS_CATEGORY_INPUT ] = 13,
59 [16+AV_CLASS_CATEGORY_OUTPUT ] = 5,
60 [16+AV_CLASS_CATEGORY_MUXER ] = 13,
61 [16+AV_CLASS_CATEGORY_DEMUXER ] = 5,
62 [16+AV_CLASS_CATEGORY_ENCODER ] = 11,
63 [16+AV_CLASS_CATEGORY_DECODER ] = 3,
64 [16+AV_CLASS_CATEGORY_FILTER ] = 10,
65 [16+AV_CLASS_CATEGORY_BITSTREAM_FILTER] = 9,
66 [16+AV_CLASS_CATEGORY_SWSCALER ] = 7,
67 [16+AV_CLASS_CATEGORY_SWRESAMPLER ] = 7,
70 static int16_t background, attr_orig;
72 #define set_color(x) SetConsoleTextAttribute(con, background | color[x])
73 #define set_256color set_color
74 #define reset_color() SetConsoleTextAttribute(con, attr_orig)
77 static const uint32_t color[16 + AV_CLASS_CATEGORY_NB] = {
78 [AV_LOG_PANIC /8] = 52 << 16 | 196 << 8 | 0x41,
79 [AV_LOG_FATAL /8] = 208 << 8 | 0x41,
80 [AV_LOG_ERROR /8] = 196 << 8 | 0x11,
81 [AV_LOG_WARNING/8] = 226 << 8 | 0x03,
82 [AV_LOG_INFO /8] = 253 << 8 | 0x09,
83 [AV_LOG_VERBOSE/8] = 40 << 8 | 0x02,
84 [AV_LOG_DEBUG /8] = 34 << 8 | 0x02,
85 [16+AV_CLASS_CATEGORY_NA ] = 250 << 8 | 0x09,
86 [16+AV_CLASS_CATEGORY_INPUT ] = 219 << 8 | 0x15,
87 [16+AV_CLASS_CATEGORY_OUTPUT ] = 201 << 8 | 0x05,
88 [16+AV_CLASS_CATEGORY_MUXER ] = 213 << 8 | 0x15,
89 [16+AV_CLASS_CATEGORY_DEMUXER ] = 207 << 8 | 0x05,
90 [16+AV_CLASS_CATEGORY_ENCODER ] = 51 << 8 | 0x16,
91 [16+AV_CLASS_CATEGORY_DECODER ] = 39 << 8 | 0x06,
92 [16+AV_CLASS_CATEGORY_FILTER ] = 155 << 8 | 0x12,
93 [16+AV_CLASS_CATEGORY_BITSTREAM_FILTER] = 192 << 8 | 0x14,
94 [16+AV_CLASS_CATEGORY_SWSCALER ] = 153 << 8 | 0x14,
95 [16+AV_CLASS_CATEGORY_SWRESAMPLER ] = 147 << 8 | 0x14,
98 #define set_color(x) fprintf(stderr, "\033[%d;3%dm", (color[x] >> 4) & 15, color[x] & 15)
99 #define set_256color(x) fprintf(stderr, "\033[48;5;%dm\033[38;5;%dm", (color[x] >> 16) & 0xff, (color[x] >> 8) & 0xff)
100 #define reset_color() fprintf(stderr, "\033[0m")
102 static int use_color = -1;
104 static void colored_fputs(int level, const char *str)
107 #if HAVE_SETCONSOLETEXTATTRIBUTE
108 CONSOLE_SCREEN_BUFFER_INFO con_info;
109 con = GetStdHandle(STD_ERROR_HANDLE);
110 use_color = (con != INVALID_HANDLE_VALUE) && !getenv("NO_COLOR") &&
111 !getenv("AV_LOG_FORCE_NOCOLOR");
113 GetConsoleScreenBufferInfo(con, &con_info);
114 attr_orig = con_info.wAttributes;
115 background = attr_orig & 0xF0;
118 use_color = !getenv("NO_COLOR") && !getenv("AV_LOG_FORCE_NOCOLOR") &&
119 (getenv("TERM") && isatty(2) ||
120 getenv("AV_LOG_FORCE_COLOR"));
121 if (getenv("AV_LOG_FORCE_256COLOR"))
124 use_color = getenv("AV_LOG_FORCE_COLOR") && !getenv("NO_COLOR") &&
125 !getenv("AV_LOG_FORCE_NOCOLOR");
129 if (use_color == 1) {
131 } else if (use_color == 256)
139 const char *av_default_item_name(void *ptr)
141 return (*(AVClass **) ptr)->class_name;
144 AVClassCategory av_default_get_category(void *ptr)
146 return (*(AVClass **) ptr)->category;
149 static void sanitize(uint8_t *line){
151 if(*line < 0x08 || (*line > 0x0D && *line < 0x20))
157 static int get_category(void *ptr){
158 AVClass *avc = *(AVClass **) ptr;
160 || (avc->version&0xFF)<100
161 || avc->version < (51 << 16 | 59 << 8)
162 || avc->category >= AV_CLASS_CATEGORY_NB) return AV_CLASS_CATEGORY_NA + 16;
164 if(avc->get_category)
165 return avc->get_category(ptr) + 16;
167 return avc->category + 16;
170 static void format_line(void *ptr, int level, const char *fmt, va_list vl,
171 char part[3][LINE_SZ], int part_size, int *print_prefix, int type[2])
173 AVClass* avc = ptr ? *(AVClass **) ptr : NULL;
174 part[0][0] = part[1][0] = part[2][0] = 0;
175 if(type) type[0] = type[1] = AV_CLASS_CATEGORY_NA + 16;
176 if (*print_prefix && avc) {
177 if (avc->parent_log_context_offset) {
178 AVClass** parent = *(AVClass ***) (((uint8_t *) ptr) +
179 avc->parent_log_context_offset);
180 if (parent && *parent) {
181 snprintf(part[0], part_size, "[%s @ %p] ",
182 (*parent)->item_name(parent), parent);
183 if(type) type[0] = get_category(((uint8_t *) ptr) + avc->parent_log_context_offset);
186 snprintf(part[1], part_size, "[%s @ %p] ",
187 avc->item_name(ptr), ptr);
188 if(type) type[1] = get_category(ptr);
191 vsnprintf(part[2], part_size, fmt, vl);
193 *print_prefix = strlen(part[2]) && part[2][strlen(part[2]) - 1] == '\n';
196 void av_log_format_line(void *ptr, int level, const char *fmt, va_list vl,
197 char *line, int line_size, int *print_prefix)
199 char part[3][LINE_SZ];
200 format_line(ptr, level, fmt, vl, part, sizeof(part[0]), print_prefix, NULL);
201 snprintf(line, line_size, "%s%s%s", part[0], part[1], part[2]);
204 void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
206 static int print_prefix = 1;
208 static char prev[LINE_SZ];
209 char part[3][LINE_SZ];
214 if (level > av_log_level)
216 format_line(ptr, level, fmt, vl, part, sizeof(part[0]), &print_prefix, type);
217 snprintf(line, sizeof(line), "%s%s%s", part[0], part[1], part[2]);
221 is_atty = isatty(2) ? 1 : -1;
224 if (print_prefix && (flags & AV_LOG_SKIP_REPEATED) && !strcmp(line, prev)){
227 fprintf(stderr, " Last message repeated %d times\r", count);
231 fprintf(stderr, " Last message repeated %d times\n", count);
236 colored_fputs(type[0], part[0]);
238 colored_fputs(type[1], part[1]);
240 colored_fputs(av_clip(level >> 3, 0, 6), part[2]);
243 static void (*av_log_callback)(void*, int, const char*, va_list) =
244 av_log_default_callback;
246 void av_log(void* avcl, int level, const char *fmt, ...)
248 AVClass* avc = avcl ? *(AVClass **) avcl : NULL;
251 if (avc && avc->version >= (50 << 16 | 15 << 8 | 2) &&
252 avc->log_level_offset_offset && level >= AV_LOG_FATAL)
253 level += *(int *) (((uint8_t *) avcl) + avc->log_level_offset_offset);
254 av_vlog(avcl, level, fmt, vl);
258 void av_vlog(void* avcl, int level, const char *fmt, va_list vl)
261 av_log_callback(avcl, level, fmt, vl);
264 int av_log_get_level(void)
269 void av_log_set_level(int level)
271 av_log_level = level;
274 void av_log_set_flags(int arg)
279 void av_log_set_callback(void (*callback)(void*, int, const char*, va_list))
281 av_log_callback = callback;
284 static void missing_feature_sample(int sample, void *avc, const char *msg, ...)
286 va_list argument_list;
288 va_start(argument_list, msg);
290 av_vlog(avc, AV_LOG_WARNING, msg, argument_list);
291 av_log(avc, AV_LOG_WARNING, " is not implemented. Update your FFmpeg "
292 "version to the newest one from Git. If the problem still "
293 "occurs, it means that your file has a feature which has not "
294 "been implemented.\n");
296 av_log(avc, AV_LOG_WARNING, "If you want to help, upload a sample "
297 "of this file to ftp://upload.ffmpeg.org/MPlayer/incoming/ "
298 "and contact the ffmpeg-devel mailing list.\n");
300 va_end(argument_list);
303 void avpriv_request_sample(void *avc, const char *msg, ...)
305 va_list argument_list;
307 va_start(argument_list, msg);
308 missing_feature_sample(1, avc, msg, argument_list);
309 va_end(argument_list);
312 void avpriv_report_missing_feature(void *avc, const char *msg, ...)
314 va_list argument_list;
316 va_start(argument_list, msg);
317 missing_feature_sample(0, avc, msg, argument_list);
318 va_end(argument_list);