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,
76 static int16_t background, attr_orig;
80 static const uint32_t color[16 + AV_CLASS_CATEGORY_NB] = {
81 [AV_LOG_PANIC /8] = 52 << 16 | 196 << 8 | 0x41,
82 [AV_LOG_FATAL /8] = 208 << 8 | 0x41,
83 [AV_LOG_ERROR /8] = 196 << 8 | 0x11,
84 [AV_LOG_WARNING/8] = 226 << 8 | 0x03,
85 [AV_LOG_INFO /8] = 253 << 8 | 0x09,
86 [AV_LOG_VERBOSE/8] = 40 << 8 | 0x02,
87 [AV_LOG_DEBUG /8] = 34 << 8 | 0x02,
88 [16+AV_CLASS_CATEGORY_NA ] = 250 << 8 | 0x09,
89 [16+AV_CLASS_CATEGORY_INPUT ] = 219 << 8 | 0x15,
90 [16+AV_CLASS_CATEGORY_OUTPUT ] = 201 << 8 | 0x05,
91 [16+AV_CLASS_CATEGORY_MUXER ] = 213 << 8 | 0x15,
92 [16+AV_CLASS_CATEGORY_DEMUXER ] = 207 << 8 | 0x05,
93 [16+AV_CLASS_CATEGORY_ENCODER ] = 51 << 8 | 0x16,
94 [16+AV_CLASS_CATEGORY_DECODER ] = 39 << 8 | 0x06,
95 [16+AV_CLASS_CATEGORY_FILTER ] = 155 << 8 | 0x12,
96 [16+AV_CLASS_CATEGORY_BITSTREAM_FILTER] = 192 << 8 | 0x14,
97 [16+AV_CLASS_CATEGORY_SWSCALER ] = 153 << 8 | 0x14,
98 [16+AV_CLASS_CATEGORY_SWRESAMPLER ] = 147 << 8 | 0x14,
102 static int use_color = -1;
104 static void colored_fputs(int level, const char *str)
110 #if HAVE_SETCONSOLETEXTATTRIBUTE
111 CONSOLE_SCREEN_BUFFER_INFO con_info;
112 con = GetStdHandle(STD_ERROR_HANDLE);
113 use_color = (con != INVALID_HANDLE_VALUE) && !getenv("NO_COLOR") &&
114 !getenv("AV_LOG_FORCE_NOCOLOR");
116 GetConsoleScreenBufferInfo(con, &con_info);
117 attr_orig = con_info.wAttributes;
118 background = attr_orig & 0xF0;
121 use_color = !getenv("NO_COLOR") && !getenv("AV_LOG_FORCE_NOCOLOR") &&
122 (getenv("TERM") && isatty(2) ||
123 getenv("AV_LOG_FORCE_COLOR"));
124 if (getenv("AV_LOG_FORCE_256COLOR"))
127 use_color = getenv("AV_LOG_FORCE_COLOR") && !getenv("NO_COLOR") &&
128 !getenv("AV_LOG_FORCE_NOCOLOR");
132 #if HAVE_SETCONSOLETEXTATTRIBUTE
133 if (use_color && level != AV_LOG_INFO/8)
134 SetConsoleTextAttribute(con, background | color[level]);
136 if (use_color && level != AV_LOG_INFO/8)
137 SetConsoleTextAttribute(con, attr_orig);
139 if (use_color == 1 && level != AV_LOG_INFO/8) {
141 "\033[%d;3%dm%s\033[0m",
142 (color[level] >> 4) & 15,
145 } else if (use_color == 256 && level != AV_LOG_INFO/8) {
147 "\033[48;5;%dm\033[38;5;%dm%s\033[0m",
148 (color[level] >> 16) & 0xff,
149 (color[level] >> 8) & 0xff,
157 const char *av_default_item_name(void *ptr)
159 return (*(AVClass **) ptr)->class_name;
162 AVClassCategory av_default_get_category(void *ptr)
164 return (*(AVClass **) ptr)->category;
167 static void sanitize(uint8_t *line){
169 if(*line < 0x08 || (*line > 0x0D && *line < 0x20))
175 static int get_category(void *ptr){
176 AVClass *avc = *(AVClass **) ptr;
178 || (avc->version&0xFF)<100
179 || avc->version < (51 << 16 | 59 << 8)
180 || avc->category >= AV_CLASS_CATEGORY_NB) return AV_CLASS_CATEGORY_NA + 16;
182 if(avc->get_category)
183 return avc->get_category(ptr) + 16;
185 return avc->category + 16;
188 static void format_line(void *ptr, int level, const char *fmt, va_list vl,
189 AVBPrint part[3], int *print_prefix, int type[2])
191 AVClass* avc = ptr ? *(AVClass **) ptr : NULL;
192 av_bprint_init(part+0, 0, 1);
193 av_bprint_init(part+1, 0, 1);
194 av_bprint_init(part+2, 0, 65536);
196 if(type) type[0] = type[1] = AV_CLASS_CATEGORY_NA + 16;
197 if (*print_prefix && avc) {
198 if (avc->parent_log_context_offset) {
199 AVClass** parent = *(AVClass ***) (((uint8_t *) ptr) +
200 avc->parent_log_context_offset);
201 if (parent && *parent) {
202 av_bprintf(part+0, "[%s @ %p] ",
203 (*parent)->item_name(parent), parent);
204 if(type) type[0] = get_category(parent);
207 av_bprintf(part+1, "[%s @ %p] ",
208 avc->item_name(ptr), ptr);
209 if(type) type[1] = get_category(ptr);
212 av_vbprintf(part+2, fmt, vl);
214 if(*part[0].str || *part[1].str || *part[2].str) {
215 char lastc = part[2].len && part[2].len <= part[2].size ? part[2].str[part[2].len - 1] : 0;
216 *print_prefix = lastc == '\n' || lastc == '\r';
220 void av_log_format_line(void *ptr, int level, const char *fmt, va_list vl,
221 char *line, int line_size, int *print_prefix)
224 format_line(ptr, level, fmt, vl, part, print_prefix, NULL);
225 snprintf(line, line_size, "%s%s%s", part[0].str, part[1].str, part[2].str);
226 av_bprint_finalize(part+2, NULL);
229 void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
231 static int print_prefix = 1;
233 static char prev[LINE_SZ];
239 if (level > av_log_level)
242 pthread_mutex_lock(&mutex);
245 format_line(ptr, level, fmt, vl, part, &print_prefix, type);
246 snprintf(line, sizeof(line), "%s%s%s", part[0].str, part[1].str, part[2].str);
250 is_atty = isatty(2) ? 1 : -1;
253 if (print_prefix && (flags & AV_LOG_SKIP_REPEATED) && !strcmp(line, prev) &&
254 *line && line[strlen(line) - 1] != '\r'){
257 fprintf(stderr, " Last message repeated %d times\r", count);
261 fprintf(stderr, " Last message repeated %d times\n", count);
265 sanitize(part[0].str);
266 colored_fputs(type[0], part[0].str);
267 sanitize(part[1].str);
268 colored_fputs(type[1], part[1].str);
269 sanitize(part[2].str);
270 colored_fputs(av_clip(level >> 3, 0, 6), part[2].str);
272 av_bprint_finalize(part+2, NULL);
274 pthread_mutex_unlock(&mutex);
278 static void (*av_log_callback)(void*, int, const char*, va_list) =
279 av_log_default_callback;
281 void av_log(void* avcl, int level, const char *fmt, ...)
283 AVClass* avc = avcl ? *(AVClass **) avcl : NULL;
286 if (avc && avc->version >= (50 << 16 | 15 << 8 | 2) &&
287 avc->log_level_offset_offset && level >= AV_LOG_FATAL)
288 level += *(int *) (((uint8_t *) avcl) + avc->log_level_offset_offset);
289 av_vlog(avcl, level, fmt, vl);
293 void av_vlog(void* avcl, int level, const char *fmt, va_list vl)
295 void (*log_callback)(void*, int, const char*, va_list) = av_log_callback;
297 log_callback(avcl, level, fmt, vl);
300 int av_log_get_level(void)
305 void av_log_set_level(int level)
307 av_log_level = level;
310 void av_log_set_flags(int arg)
315 void av_log_set_callback(void (*callback)(void*, int, const char*, va_list))
317 av_log_callback = callback;
320 static void missing_feature_sample(int sample, void *avc, const char *msg,
321 va_list argument_list)
323 av_vlog(avc, AV_LOG_WARNING, msg, argument_list);
324 av_log(avc, AV_LOG_WARNING, " is not implemented. Update your FFmpeg "
325 "version to the newest one from Git. If the problem still "
326 "occurs, it means that your file has a feature which has not "
327 "been implemented.\n");
329 av_log(avc, AV_LOG_WARNING, "If you want to help, upload a sample "
330 "of this file to ftp://upload.ffmpeg.org/MPlayer/incoming/ "
331 "and contact the ffmpeg-devel mailing list.\n");
334 void avpriv_request_sample(void *avc, const char *msg, ...)
336 va_list argument_list;
338 va_start(argument_list, msg);
339 missing_feature_sample(1, avc, msg, argument_list);
340 va_end(argument_list);
343 void avpriv_report_missing_feature(void *avc, const char *msg, ...)
345 va_list argument_list;
347 va_start(argument_list, msg);
348 missing_feature_sample(0, avc, msg, argument_list);
349 va_end(argument_list);