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
45 static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
50 static int av_log_level = AV_LOG_INFO;
53 #if HAVE_SETCONSOLETEXTATTRIBUTE
55 static const uint8_t color[16 + AV_CLASS_CATEGORY_NB] = {
56 [AV_LOG_PANIC /8] = 12,
57 [AV_LOG_FATAL /8] = 12,
58 [AV_LOG_ERROR /8] = 12,
59 [AV_LOG_WARNING/8] = 14,
61 [AV_LOG_VERBOSE/8] = 10,
62 [AV_LOG_DEBUG /8] = 10,
63 [16+AV_CLASS_CATEGORY_NA ] = 7,
64 [16+AV_CLASS_CATEGORY_INPUT ] = 13,
65 [16+AV_CLASS_CATEGORY_OUTPUT ] = 5,
66 [16+AV_CLASS_CATEGORY_MUXER ] = 13,
67 [16+AV_CLASS_CATEGORY_DEMUXER ] = 5,
68 [16+AV_CLASS_CATEGORY_ENCODER ] = 11,
69 [16+AV_CLASS_CATEGORY_DECODER ] = 3,
70 [16+AV_CLASS_CATEGORY_FILTER ] = 10,
71 [16+AV_CLASS_CATEGORY_BITSTREAM_FILTER] = 9,
72 [16+AV_CLASS_CATEGORY_SWSCALER ] = 7,
73 [16+AV_CLASS_CATEGORY_SWRESAMPLER ] = 7,
74 [16+AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT ] = 13,
75 [16+AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT ] = 5,
76 [16+AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT ] = 13,
77 [16+AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT ] = 5,
78 [16+AV_CLASS_CATEGORY_DEVICE_OUTPUT ] = 13,
79 [16+AV_CLASS_CATEGORY_DEVICE_INPUT ] = 5,
82 static int16_t background, attr_orig;
86 static const uint32_t color[16 + AV_CLASS_CATEGORY_NB] = {
87 [AV_LOG_PANIC /8] = 52 << 16 | 196 << 8 | 0x41,
88 [AV_LOG_FATAL /8] = 208 << 8 | 0x41,
89 [AV_LOG_ERROR /8] = 196 << 8 | 0x11,
90 [AV_LOG_WARNING/8] = 226 << 8 | 0x03,
91 [AV_LOG_INFO /8] = 253 << 8 | 0x09,
92 [AV_LOG_VERBOSE/8] = 40 << 8 | 0x02,
93 [AV_LOG_DEBUG /8] = 34 << 8 | 0x02,
94 [16+AV_CLASS_CATEGORY_NA ] = 250 << 8 | 0x09,
95 [16+AV_CLASS_CATEGORY_INPUT ] = 219 << 8 | 0x15,
96 [16+AV_CLASS_CATEGORY_OUTPUT ] = 201 << 8 | 0x05,
97 [16+AV_CLASS_CATEGORY_MUXER ] = 213 << 8 | 0x15,
98 [16+AV_CLASS_CATEGORY_DEMUXER ] = 207 << 8 | 0x05,
99 [16+AV_CLASS_CATEGORY_ENCODER ] = 51 << 8 | 0x16,
100 [16+AV_CLASS_CATEGORY_DECODER ] = 39 << 8 | 0x06,
101 [16+AV_CLASS_CATEGORY_FILTER ] = 155 << 8 | 0x12,
102 [16+AV_CLASS_CATEGORY_BITSTREAM_FILTER] = 192 << 8 | 0x14,
103 [16+AV_CLASS_CATEGORY_SWSCALER ] = 153 << 8 | 0x14,
104 [16+AV_CLASS_CATEGORY_SWRESAMPLER ] = 147 << 8 | 0x14,
105 [16+AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT ] = 213 << 8 | 0x15,
106 [16+AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT ] = 207 << 8 | 0x05,
107 [16+AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT ] = 213 << 8 | 0x15,
108 [16+AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT ] = 207 << 8 | 0x05,
109 [16+AV_CLASS_CATEGORY_DEVICE_OUTPUT ] = 213 << 8 | 0x15,
110 [16+AV_CLASS_CATEGORY_DEVICE_INPUT ] = 207 << 8 | 0x05,
114 static int use_color = -1;
116 static void check_color_terminal(void)
118 #if HAVE_SETCONSOLETEXTATTRIBUTE
119 CONSOLE_SCREEN_BUFFER_INFO con_info;
120 con = GetStdHandle(STD_ERROR_HANDLE);
121 use_color = (con != INVALID_HANDLE_VALUE) && !getenv("NO_COLOR") &&
122 !getenv("AV_LOG_FORCE_NOCOLOR");
124 GetConsoleScreenBufferInfo(con, &con_info);
125 attr_orig = con_info.wAttributes;
126 background = attr_orig & 0xF0;
129 char *term = getenv("TERM");
130 use_color = !getenv("NO_COLOR") && !getenv("AV_LOG_FORCE_NOCOLOR") &&
131 (getenv("TERM") && isatty(2) || getenv("AV_LOG_FORCE_COLOR"));
132 if ( getenv("AV_LOG_FORCE_256COLOR")
133 || strstr(term, "256color"));
136 use_color = getenv("AV_LOG_FORCE_COLOR") && !getenv("NO_COLOR") &&
137 !getenv("AV_LOG_FORCE_NOCOLOR");
141 static void colored_fputs(int level, int tint, const char *str)
147 check_color_terminal();
149 #if HAVE_SETCONSOLETEXTATTRIBUTE
150 if (use_color && level != AV_LOG_INFO/8)
151 SetConsoleTextAttribute(con, background | color[level]);
153 if (use_color && level != AV_LOG_INFO/8)
154 SetConsoleTextAttribute(con, attr_orig);
156 if (use_color == 1 && level != AV_LOG_INFO/8) {
158 "\033[%d;3%dm%s\033[0m",
159 (color[level] >> 4) & 15,
162 } else if (tint && use_color == 256) {
164 "\033[48;5;%dm\033[38;5;%dm%s\033[0m",
165 (color[level] >> 16) & 0xff,
168 } else if (use_color == 256 && level != AV_LOG_INFO/8) {
170 "\033[48;5;%dm\033[38;5;%dm%s\033[0m",
171 (color[level] >> 16) & 0xff,
172 (color[level] >> 8) & 0xff,
180 const char *av_default_item_name(void *ptr)
182 return (*(AVClass **) ptr)->class_name;
185 AVClassCategory av_default_get_category(void *ptr)
187 return (*(AVClass **) ptr)->category;
190 static void sanitize(uint8_t *line){
192 if(*line < 0x08 || (*line > 0x0D && *line < 0x20))
198 static int get_category(void *ptr){
199 AVClass *avc = *(AVClass **) ptr;
201 || (avc->version&0xFF)<100
202 || avc->version < (51 << 16 | 59 << 8)
203 || avc->category >= AV_CLASS_CATEGORY_NB) return AV_CLASS_CATEGORY_NA + 16;
205 if(avc->get_category)
206 return avc->get_category(ptr) + 16;
208 return avc->category + 16;
211 static void format_line(void *avcl, int level, const char *fmt, va_list vl,
212 AVBPrint part[3], int *print_prefix, int type[2])
214 AVClass* avc = avcl ? *(AVClass **) avcl : NULL;
215 av_bprint_init(part+0, 0, 1);
216 av_bprint_init(part+1, 0, 1);
217 av_bprint_init(part+2, 0, 65536);
219 if(type) type[0] = type[1] = AV_CLASS_CATEGORY_NA + 16;
220 if (*print_prefix && avc) {
221 if (avc->parent_log_context_offset) {
222 AVClass** parent = *(AVClass ***) (((uint8_t *) avcl) +
223 avc->parent_log_context_offset);
224 if (parent && *parent) {
225 av_bprintf(part+0, "[%s @ %p] ",
226 (*parent)->item_name(parent), parent);
227 if(type) type[0] = get_category(parent);
230 av_bprintf(part+1, "[%s @ %p] ",
231 avc->item_name(avcl), avcl);
232 if(type) type[1] = get_category(avcl);
235 av_vbprintf(part+2, fmt, vl);
237 if(*part[0].str || *part[1].str || *part[2].str) {
238 char lastc = part[2].len && part[2].len <= part[2].size ? part[2].str[part[2].len - 1] : 0;
239 *print_prefix = lastc == '\n' || lastc == '\r';
243 void av_log_format_line(void *ptr, int level, const char *fmt, va_list vl,
244 char *line, int line_size, int *print_prefix)
247 format_line(ptr, level, fmt, vl, part, print_prefix, NULL);
248 snprintf(line, line_size, "%s%s%s", part[0].str, part[1].str, part[2].str);
249 av_bprint_finalize(part+2, NULL);
252 void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
254 static int print_prefix = 1;
256 static char prev[LINE_SZ];
261 unsigned tint = level & 0xff00;
266 if (level > av_log_level)
269 pthread_mutex_lock(&mutex);
272 format_line(ptr, level, fmt, vl, part, &print_prefix, type);
273 snprintf(line, sizeof(line), "%s%s%s", part[0].str, part[1].str, part[2].str);
277 is_atty = isatty(2) ? 1 : -1;
280 if (print_prefix && (flags & AV_LOG_SKIP_REPEATED) && !strcmp(line, prev) &&
281 *line && line[strlen(line) - 1] != '\r'){
284 fprintf(stderr, " Last message repeated %d times\r", count);
288 fprintf(stderr, " Last message repeated %d times\n", count);
292 sanitize(part[0].str);
293 colored_fputs(type[0], 0, part[0].str);
294 sanitize(part[1].str);
295 colored_fputs(type[1], 0, part[1].str);
296 sanitize(part[2].str);
297 colored_fputs(av_clip(level >> 3, 0, 6), tint >> 8, part[2].str);
299 av_bprint_finalize(part+2, NULL);
301 pthread_mutex_unlock(&mutex);
305 static void (*av_log_callback)(void*, int, const char*, va_list) =
306 av_log_default_callback;
308 void av_log(void* avcl, int level, const char *fmt, ...)
310 AVClass* avc = avcl ? *(AVClass **) avcl : NULL;
313 if (avc && avc->version >= (50 << 16 | 15 << 8 | 2) &&
314 avc->log_level_offset_offset && level >= AV_LOG_FATAL)
315 level += *(int *) (((uint8_t *) avcl) + avc->log_level_offset_offset);
316 av_vlog(avcl, level, fmt, vl);
320 void av_vlog(void* avcl, int level, const char *fmt, va_list vl)
322 void (*log_callback)(void*, int, const char*, va_list) = av_log_callback;
324 log_callback(avcl, level, fmt, vl);
327 int av_log_get_level(void)
332 void av_log_set_level(int level)
334 av_log_level = level;
337 void av_log_set_flags(int arg)
342 void av_log_set_callback(void (*callback)(void*, int, const char*, va_list))
344 av_log_callback = callback;
347 static void missing_feature_sample(int sample, void *avc, const char *msg,
348 va_list argument_list)
350 av_vlog(avc, AV_LOG_WARNING, msg, argument_list);
351 av_log(avc, AV_LOG_WARNING, " is not implemented. Update your FFmpeg "
352 "version to the newest one from Git. If the problem still "
353 "occurs, it means that your file has a feature which has not "
354 "been implemented.\n");
356 av_log(avc, AV_LOG_WARNING, "If you want to help, upload a sample "
357 "of this file to ftp://upload.ffmpeg.org/MPlayer/incoming/ "
358 "and contact the ffmpeg-devel mailing list.\n");
361 void avpriv_request_sample(void *avc, const char *msg, ...)
363 va_list argument_list;
365 va_start(argument_list, msg);
366 missing_feature_sample(1, avc, msg, argument_list);
367 va_end(argument_list);
370 void avpriv_report_missing_feature(void *avc, const char *msg, ...)
372 va_list argument_list;
374 va_start(argument_list, msg);
375 missing_feature_sample(0, avc, msg, argument_list);
376 va_end(argument_list);