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 int av_log_level = AV_LOG_INFO;
48 #if HAVE_SETCONSOLETEXTATTRIBUTE
50 static const uint8_t color[16 + AV_CLASS_CATEGORY_NB] = {
51 [AV_LOG_PANIC /8] = 12,
52 [AV_LOG_FATAL /8] = 12,
53 [AV_LOG_ERROR /8] = 12,
54 [AV_LOG_WARNING/8] = 14,
56 [AV_LOG_VERBOSE/8] = 10,
57 [AV_LOG_DEBUG /8] = 10,
58 [16+AV_CLASS_CATEGORY_NA ] = 7,
59 [16+AV_CLASS_CATEGORY_INPUT ] = 13,
60 [16+AV_CLASS_CATEGORY_OUTPUT ] = 5,
61 [16+AV_CLASS_CATEGORY_MUXER ] = 13,
62 [16+AV_CLASS_CATEGORY_DEMUXER ] = 5,
63 [16+AV_CLASS_CATEGORY_ENCODER ] = 11,
64 [16+AV_CLASS_CATEGORY_DECODER ] = 3,
65 [16+AV_CLASS_CATEGORY_FILTER ] = 10,
66 [16+AV_CLASS_CATEGORY_BITSTREAM_FILTER] = 9,
67 [16+AV_CLASS_CATEGORY_SWSCALER ] = 7,
68 [16+AV_CLASS_CATEGORY_SWRESAMPLER ] = 7,
71 static int16_t background, attr_orig;
73 #define set_color(x) SetConsoleTextAttribute(con, background | color[x])
74 #define set_256color set_color
75 #define reset_color() SetConsoleTextAttribute(con, attr_orig)
78 static const uint32_t color[16 + AV_CLASS_CATEGORY_NB] = {
79 [AV_LOG_PANIC /8] = 52 << 16 | 196 << 8 | 0x41,
80 [AV_LOG_FATAL /8] = 208 << 8 | 0x41,
81 [AV_LOG_ERROR /8] = 196 << 8 | 0x11,
82 [AV_LOG_WARNING/8] = 226 << 8 | 0x03,
83 [AV_LOG_INFO /8] = 253 << 8 | 0x09,
84 [AV_LOG_VERBOSE/8] = 40 << 8 | 0x02,
85 [AV_LOG_DEBUG /8] = 34 << 8 | 0x02,
86 [16+AV_CLASS_CATEGORY_NA ] = 250 << 8 | 0x09,
87 [16+AV_CLASS_CATEGORY_INPUT ] = 219 << 8 | 0x15,
88 [16+AV_CLASS_CATEGORY_OUTPUT ] = 201 << 8 | 0x05,
89 [16+AV_CLASS_CATEGORY_MUXER ] = 213 << 8 | 0x15,
90 [16+AV_CLASS_CATEGORY_DEMUXER ] = 207 << 8 | 0x05,
91 [16+AV_CLASS_CATEGORY_ENCODER ] = 51 << 8 | 0x16,
92 [16+AV_CLASS_CATEGORY_DECODER ] = 39 << 8 | 0x06,
93 [16+AV_CLASS_CATEGORY_FILTER ] = 155 << 8 | 0x12,
94 [16+AV_CLASS_CATEGORY_BITSTREAM_FILTER] = 192 << 8 | 0x14,
95 [16+AV_CLASS_CATEGORY_SWSCALER ] = 153 << 8 | 0x14,
96 [16+AV_CLASS_CATEGORY_SWRESAMPLER ] = 147 << 8 | 0x14,
99 #define set_color(x) fprintf(stderr, "\033[%d;3%dm", (color[x] >> 4) & 15, color[x] & 15)
100 #define set_256color(x) fprintf(stderr, "\033[48;5;%dm\033[38;5;%dm", (color[x] >> 16) & 0xff, (color[x] >> 8) & 0xff)
101 #define reset_color() fprintf(stderr, "\033[0m")
103 static int use_color = -1;
105 static void colored_fputs(int level, const char *str)
108 #if HAVE_SETCONSOLETEXTATTRIBUTE
109 CONSOLE_SCREEN_BUFFER_INFO con_info;
110 con = GetStdHandle(STD_ERROR_HANDLE);
111 use_color = (con != INVALID_HANDLE_VALUE) && !getenv("NO_COLOR") &&
112 !getenv("AV_LOG_FORCE_NOCOLOR");
114 GetConsoleScreenBufferInfo(con, &con_info);
115 attr_orig = con_info.wAttributes;
116 background = attr_orig & 0xF0;
119 use_color = !getenv("NO_COLOR") && !getenv("AV_LOG_FORCE_NOCOLOR") &&
120 (getenv("TERM") && isatty(2) ||
121 getenv("AV_LOG_FORCE_COLOR"));
122 if (getenv("AV_LOG_FORCE_256COLOR"))
125 use_color = getenv("AV_LOG_FORCE_COLOR") && !getenv("NO_COLOR") &&
126 !getenv("AV_LOG_FORCE_NOCOLOR");
130 if (use_color == 1) {
132 } else if (use_color == 256)
140 const char *av_default_item_name(void *ptr)
142 return (*(AVClass **) ptr)->class_name;
145 AVClassCategory av_default_get_category(void *ptr)
147 return (*(AVClass **) ptr)->category;
150 static void sanitize(uint8_t *line){
152 if(*line < 0x08 || (*line > 0x0D && *line < 0x20))
158 static int get_category(void *ptr){
159 AVClass *avc = *(AVClass **) ptr;
161 || (avc->version&0xFF)<100
162 || avc->version < (51 << 16 | 59 << 8)
163 || avc->category >= AV_CLASS_CATEGORY_NB) return AV_CLASS_CATEGORY_NA + 16;
165 if(avc->get_category)
166 return avc->get_category(ptr) + 16;
168 return avc->category + 16;
171 static void format_line(void *ptr, int level, const char *fmt, va_list vl,
172 AVBPrint part[3], int *print_prefix, int type[2])
174 AVClass* avc = ptr ? *(AVClass **) ptr : NULL;
175 av_bprint_init(part+0, 0, 1);
176 av_bprint_init(part+1, 0, 1);
177 av_bprint_init(part+2, 0, 65536);
179 if(type) type[0] = type[1] = AV_CLASS_CATEGORY_NA + 16;
180 if (*print_prefix && avc) {
181 if (avc->parent_log_context_offset) {
182 AVClass** parent = *(AVClass ***) (((uint8_t *) ptr) +
183 avc->parent_log_context_offset);
184 if (parent && *parent) {
185 av_bprintf(part+0, "[%s @ %p] ",
186 (*parent)->item_name(parent), parent);
187 if(type) type[0] = get_category(parent);
190 av_bprintf(part+1, "[%s @ %p] ",
191 avc->item_name(ptr), ptr);
192 if(type) type[1] = get_category(ptr);
195 av_vbprintf(part+2, fmt, vl);
197 if(*part[0].str || *part[1].str || *part[2].str) {
198 char lastc = part[2].len ? part[2].str[part[2].len - 1] : 0;
199 *print_prefix = lastc == '\n' || lastc == '\r';
203 void av_log_format_line(void *ptr, int level, const char *fmt, va_list vl,
204 char *line, int line_size, int *print_prefix)
207 format_line(ptr, level, fmt, vl, part, print_prefix, NULL);
208 snprintf(line, line_size, "%s%s%s", part[0].str, part[1].str, part[2].str);
209 av_bprint_finalize(part+2, NULL);
212 void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
214 static int print_prefix = 1;
216 static char prev[LINE_SZ];
222 if (level > av_log_level)
224 format_line(ptr, level, fmt, vl, part, &print_prefix, type);
225 snprintf(line, sizeof(line), "%s%s%s", part[0].str, part[1].str, part[2].str);
229 is_atty = isatty(2) ? 1 : -1;
232 if (print_prefix && (flags & AV_LOG_SKIP_REPEATED) && !strcmp(line, prev) &&
233 *line && line[strlen(line) - 1] != '\r'){
236 fprintf(stderr, " Last message repeated %d times\r", count);
237 av_bprint_finalize(part+2, NULL);
241 fprintf(stderr, " Last message repeated %d times\n", count);
245 sanitize(part[0].str);
246 colored_fputs(type[0], part[0].str);
247 sanitize(part[1].str);
248 colored_fputs(type[1], part[1].str);
249 sanitize(part[2].str);
250 colored_fputs(av_clip(level >> 3, 0, 6), part[2].str);
251 av_bprint_finalize(part+2, NULL);
254 static void (*av_log_callback)(void*, int, const char*, va_list) =
255 av_log_default_callback;
257 void av_log(void* avcl, int level, const char *fmt, ...)
259 AVClass* avc = avcl ? *(AVClass **) avcl : NULL;
262 if (avc && avc->version >= (50 << 16 | 15 << 8 | 2) &&
263 avc->log_level_offset_offset && level >= AV_LOG_FATAL)
264 level += *(int *) (((uint8_t *) avcl) + avc->log_level_offset_offset);
265 av_vlog(avcl, level, fmt, vl);
269 void av_vlog(void* avcl, int level, const char *fmt, va_list vl)
272 av_log_callback(avcl, level, fmt, vl);
275 int av_log_get_level(void)
280 void av_log_set_level(int level)
282 av_log_level = level;
285 void av_log_set_flags(int arg)
290 void av_log_set_callback(void (*callback)(void*, int, const char*, va_list))
292 av_log_callback = callback;
295 static void missing_feature_sample(int sample, void *avc, const char *msg,
296 va_list argument_list)
298 av_vlog(avc, AV_LOG_WARNING, msg, argument_list);
299 av_log(avc, AV_LOG_WARNING, " is not implemented. Update your FFmpeg "
300 "version to the newest one from Git. If the problem still "
301 "occurs, it means that your file has a feature which has not "
302 "been implemented.\n");
304 av_log(avc, AV_LOG_WARNING, "If you want to help, upload a sample "
305 "of this file to ftp://upload.ffmpeg.org/MPlayer/incoming/ "
306 "and contact the ffmpeg-devel mailing list.\n");
309 void avpriv_request_sample(void *avc, const char *msg, ...)
311 va_list argument_list;
313 va_start(argument_list, msg);
314 missing_feature_sample(1, avc, msg, argument_list);
315 va_end(argument_list);
318 void avpriv_report_missing_feature(void *avc, const char *msg, ...)
320 va_list argument_list;
322 va_start(argument_list, msg);
323 missing_feature_sample(0, avc, msg, argument_list);
324 va_end(argument_list);