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Diffstat (limited to 'ffmpeg1/libavutil/log.c')
| -rw-r--r-- | ffmpeg1/libavutil/log.c | 319 |
1 files changed, 319 insertions, 0 deletions
diff --git a/ffmpeg1/libavutil/log.c b/ffmpeg1/libavutil/log.c new file mode 100644 index 0000000..a274134 --- /dev/null +++ b/ffmpeg1/libavutil/log.c @@ -0,0 +1,319 @@ +/* + * log functions + * Copyright (c) 2003 Michel Bardiaux + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * logging functions + */ + +#include "config.h" + +#if HAVE_UNISTD_H +#include <unistd.h> +#endif +#if HAVE_IO_H +#include <io.h> +#endif +#include <stdarg.h> +#include <stdlib.h> +#include "avutil.h" +#include "common.h" +#include "internal.h" +#include "log.h" + +#define LINE_SZ 1024 + +static int av_log_level = AV_LOG_INFO; +static int flags; + +#if HAVE_SETCONSOLETEXTATTRIBUTE +#include <windows.h> +static const uint8_t color[16 + AV_CLASS_CATEGORY_NB] = { + [AV_LOG_PANIC /8] = 12, + [AV_LOG_FATAL /8] = 12, + [AV_LOG_ERROR /8] = 12, + [AV_LOG_WARNING/8] = 14, + [AV_LOG_INFO /8] = 7, + [AV_LOG_VERBOSE/8] = 10, + [AV_LOG_DEBUG /8] = 10, + [16+AV_CLASS_CATEGORY_NA ] = 7, + [16+AV_CLASS_CATEGORY_INPUT ] = 13, + [16+AV_CLASS_CATEGORY_OUTPUT ] = 5, + [16+AV_CLASS_CATEGORY_MUXER ] = 13, + [16+AV_CLASS_CATEGORY_DEMUXER ] = 5, + [16+AV_CLASS_CATEGORY_ENCODER ] = 11, + [16+AV_CLASS_CATEGORY_DECODER ] = 3, + [16+AV_CLASS_CATEGORY_FILTER ] = 10, + [16+AV_CLASS_CATEGORY_BITSTREAM_FILTER] = 9, + [16+AV_CLASS_CATEGORY_SWSCALER ] = 7, + [16+AV_CLASS_CATEGORY_SWRESAMPLER ] = 7, +}; + +static int16_t background, attr_orig; +static HANDLE con; +#define set_color(x) SetConsoleTextAttribute(con, background | color[x]) +#define set_256color set_color +#define reset_color() SetConsoleTextAttribute(con, attr_orig) +#else + +static const uint32_t color[16 + AV_CLASS_CATEGORY_NB] = { + [AV_LOG_PANIC /8] = 52 << 16 | 196 << 8 | 0x41, + [AV_LOG_FATAL /8] = 208 << 8 | 0x41, + [AV_LOG_ERROR /8] = 196 << 8 | 0x11, + [AV_LOG_WARNING/8] = 226 << 8 | 0x03, + [AV_LOG_INFO /8] = 253 << 8 | 0x09, + [AV_LOG_VERBOSE/8] = 40 << 8 | 0x02, + [AV_LOG_DEBUG /8] = 34 << 8 | 0x02, + [16+AV_CLASS_CATEGORY_NA ] = 250 << 8 | 0x09, + [16+AV_CLASS_CATEGORY_INPUT ] = 219 << 8 | 0x15, + [16+AV_CLASS_CATEGORY_OUTPUT ] = 201 << 8 | 0x05, + [16+AV_CLASS_CATEGORY_MUXER ] = 213 << 8 | 0x15, + [16+AV_CLASS_CATEGORY_DEMUXER ] = 207 << 8 | 0x05, + [16+AV_CLASS_CATEGORY_ENCODER ] = 51 << 8 | 0x16, + [16+AV_CLASS_CATEGORY_DECODER ] = 39 << 8 | 0x06, + [16+AV_CLASS_CATEGORY_FILTER ] = 155 << 8 | 0x12, + [16+AV_CLASS_CATEGORY_BITSTREAM_FILTER] = 192 << 8 | 0x14, + [16+AV_CLASS_CATEGORY_SWSCALER ] = 153 << 8 | 0x14, + [16+AV_CLASS_CATEGORY_SWRESAMPLER ] = 147 << 8 | 0x14, +}; + +#define set_color(x) fprintf(stderr, "\033[%d;3%dm", (color[x] >> 4) & 15, color[x] & 15) +#define set_256color(x) fprintf(stderr, "\033[48;5;%dm\033[38;5;%dm", (color[x] >> 16) & 0xff, (color[x] >> 8) & 0xff) +#define reset_color() fprintf(stderr, "\033[0m") +#endif +static int use_color = -1; + +static void colored_fputs(int level, const char *str) +{ + if (use_color < 0) { +#if HAVE_SETCONSOLETEXTATTRIBUTE + CONSOLE_SCREEN_BUFFER_INFO con_info; + con = GetStdHandle(STD_ERROR_HANDLE); + use_color = (con != INVALID_HANDLE_VALUE) && !getenv("NO_COLOR") && + !getenv("AV_LOG_FORCE_NOCOLOR"); + if (use_color) { + GetConsoleScreenBufferInfo(con, &con_info); + attr_orig = con_info.wAttributes; + background = attr_orig & 0xF0; + } +#elif HAVE_ISATTY + use_color = !getenv("NO_COLOR") && !getenv("AV_LOG_FORCE_NOCOLOR") && + (getenv("TERM") && isatty(2) || + getenv("AV_LOG_FORCE_COLOR")); + if (getenv("AV_LOG_FORCE_256COLOR")) + use_color *= 256; +#else + use_color = getenv("AV_LOG_FORCE_COLOR") && !getenv("NO_COLOR") && + !getenv("AV_LOG_FORCE_NOCOLOR"); +#endif + } + + if (use_color == 1) { + set_color(level); + } else if (use_color == 256) + set_256color(level); + fputs(str, stderr); + if (use_color) { + reset_color(); + } +} + +const char *av_default_item_name(void *ptr) +{ + return (*(AVClass **) ptr)->class_name; +} + +AVClassCategory av_default_get_category(void *ptr) +{ + return (*(AVClass **) ptr)->category; +} + +static void sanitize(uint8_t *line){ + while(*line){ + if(*line < 0x08 || (*line > 0x0D && *line < 0x20)) + *line='?'; + line++; + } +} + +static int get_category(void *ptr){ + AVClass *avc = *(AVClass **) ptr; + if( !avc + || (avc->version&0xFF)<100 + || avc->version < (51 << 16 | 59 << 8) + || avc->category >= AV_CLASS_CATEGORY_NB) return AV_CLASS_CATEGORY_NA + 16; + + if(avc->get_category) + return avc->get_category(ptr) + 16; + + return avc->category + 16; +} + +static void format_line(void *ptr, int level, const char *fmt, va_list vl, + char part[3][LINE_SZ], int part_size, int *print_prefix, int type[2]) +{ + AVClass* avc = ptr ? *(AVClass **) ptr : NULL; + part[0][0] = part[1][0] = part[2][0] = 0; + if(type) type[0] = type[1] = AV_CLASS_CATEGORY_NA + 16; + if (*print_prefix && avc) { + if (avc->parent_log_context_offset) { + AVClass** parent = *(AVClass ***) (((uint8_t *) ptr) + + avc->parent_log_context_offset); + if (parent && *parent) { + snprintf(part[0], part_size, "[%s @ %p] ", + (*parent)->item_name(parent), parent); + if(type) type[0] = get_category(((uint8_t *) ptr) + avc->parent_log_context_offset); + } + } + snprintf(part[1], part_size, "[%s @ %p] ", + avc->item_name(ptr), ptr); + if(type) type[1] = get_category(ptr); + } + + vsnprintf(part[2], part_size, fmt, vl); + + *print_prefix = strlen(part[2]) && part[2][strlen(part[2]) - 1] == '\n'; +} + +void av_log_format_line(void *ptr, int level, const char *fmt, va_list vl, + char *line, int line_size, int *print_prefix) +{ + char part[3][LINE_SZ]; + format_line(ptr, level, fmt, vl, part, sizeof(part[0]), print_prefix, NULL); + snprintf(line, line_size, "%s%s%s", part[0], part[1], part[2]); +} + +void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl) +{ + static int print_prefix = 1; + static int count; + static char prev[LINE_SZ]; + char part[3][LINE_SZ]; + char line[LINE_SZ]; + static int is_atty; + int type[2]; + + if (level > av_log_level) + return; + format_line(ptr, level, fmt, vl, part, sizeof(part[0]), &print_prefix, type); + snprintf(line, sizeof(line), "%s%s%s", part[0], part[1], part[2]); + +#if HAVE_ISATTY + if (!is_atty) + is_atty = isatty(2) ? 1 : -1; +#endif + + if (print_prefix && (flags & AV_LOG_SKIP_REPEATED) && !strcmp(line, prev)){ + count++; + if (is_atty == 1) + fprintf(stderr, " Last message repeated %d times\r", count); + return; + } + if (count > 0) { + fprintf(stderr, " Last message repeated %d times\n", count); + count = 0; + } + strcpy(prev, line); + sanitize(part[0]); + colored_fputs(type[0], part[0]); + sanitize(part[1]); + colored_fputs(type[1], part[1]); + sanitize(part[2]); + colored_fputs(av_clip(level >> 3, 0, 6), part[2]); +} + +static void (*av_log_callback)(void*, int, const char*, va_list) = + av_log_default_callback; + +void av_log(void* avcl, int level, const char *fmt, ...) +{ + AVClass* avc = avcl ? *(AVClass **) avcl : NULL; + va_list vl; + va_start(vl, fmt); + if (avc && avc->version >= (50 << 16 | 15 << 8 | 2) && + avc->log_level_offset_offset && level >= AV_LOG_FATAL) + level += *(int *) (((uint8_t *) avcl) + avc->log_level_offset_offset); + av_vlog(avcl, level, fmt, vl); + va_end(vl); +} + +void av_vlog(void* avcl, int level, const char *fmt, va_list vl) +{ + if(av_log_callback) + av_log_callback(avcl, level, fmt, vl); +} + +int av_log_get_level(void) +{ + return av_log_level; +} + +void av_log_set_level(int level) +{ + av_log_level = level; +} + +void av_log_set_flags(int arg) +{ + flags = arg; +} + +void av_log_set_callback(void (*callback)(void*, int, const char*, va_list)) +{ + av_log_callback = callback; +} + +static void missing_feature_sample(int sample, void *avc, const char *msg, ...) +{ + va_list argument_list; + + va_start(argument_list, msg); + + av_vlog(avc, AV_LOG_WARNING, msg, argument_list); + av_log(avc, AV_LOG_WARNING, " is not implemented. Update your FFmpeg " + "version to the newest one from Git. If the problem still " + "occurs, it means that your file has a feature which has not " + "been implemented.\n"); + if (sample) + av_log(avc, AV_LOG_WARNING, "If you want to help, upload a sample " + "of this file to ftp://upload.ffmpeg.org/MPlayer/incoming/ " + "and contact the ffmpeg-devel mailing list.\n"); + + va_end(argument_list); +} + +void avpriv_request_sample(void *avc, const char *msg, ...) +{ + va_list argument_list; + + va_start(argument_list, msg); + missing_feature_sample(1, avc, msg, argument_list); + va_end(argument_list); +} + +void avpriv_report_missing_feature(void *avc, const char *msg, ...) +{ + va_list argument_list; + + va_start(argument_list, msg); + missing_feature_sample(0, avc, msg, argument_list); + va_end(argument_list); +} |