X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavutil%2Flog.c;h=29693559696eb96c579a6b82a1e33e9c95761f26;hb=26f71ef48c0b6fb9f278528c8251850a76bcd3fe;hp=fed0ce80a0ac37806dbfa98dccf042da80ce4dcb;hpb=a309073bf44e58868e4124900ddcecc2aefbdf3b;p=ffmpeg diff --git a/libavutil/log.c b/libavutil/log.c index fed0ce80a0a..29693559696 100644 --- a/libavutil/log.c +++ b/libavutil/log.c @@ -2,55 +2,149 @@ * log functions * Copyright (c) 2003 Michel Bardiaux * - * This file is part of FFmpeg. + * This file is part of Libav. * - * FFmpeg is free software; you can redistribute it and/or + * Libav 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, + * Libav 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 + * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** - * @file log.c - * log. + * @file + * logging functions */ +#include +#include +#include "avstring.h" #include "avutil.h" +#include "log.h" -int av_log_level = AV_LOG_INFO; +static int av_log_level = AV_LOG_INFO; +static int flags; + +#if defined(_WIN32) && !defined(__MINGW32CE__) +#include +static const uint8_t color[] = { 12, 12, 12, 14, 7, 7, 7 }; +static int16_t background, attr_orig; +static HANDLE con; +#define set_color(x) SetConsoleTextAttribute(con, background | color[x]) +#define reset_color() SetConsoleTextAttribute(con, attr_orig) +#else +static const uint8_t color[] = { 0x41, 0x41, 0x11, 0x03, 9, 9, 9 }; +#define set_color(x) fprintf(stderr, "\033[%d;3%dm", color[x] >> 4, color[x]&15) +#define reset_color() fprintf(stderr, "\033[0m") +#endif +static int use_color = -1; + +#undef fprintf +static void colored_fputs(int level, const char *str) +{ + if (use_color < 0) { +#if defined(_WIN32) && !defined(__MINGW32CE__) + 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")); +#else + use_color = getenv("AV_LOG_FORCE_COLOR") && !getenv("NO_COLOR") && + !getenv("AV_LOG_FORCE_NOCOLOR"); +#endif + } + + if (use_color) { + set_color(level); + } + fputs(str, stderr); + if (use_color) { + reset_color(); + } +} + +const char *av_default_item_name(void *ptr) +{ + return (*(AVClass **) ptr)->class_name; +} void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl) { - static int print_prefix=1; - AVClass* avc= ptr ? *(AVClass**)ptr : NULL; - if(level>av_log_level) + static int print_prefix = 1; + static int count; + static char prev[1024]; + char line[1024]; + static int is_atty; + AVClass* avc = ptr ? *(AVClass **) ptr : NULL; + if (level > av_log_level) return; + line[0] = 0; #undef fprintf - if(print_prefix && avc) { - fprintf(stderr, "[%s @ %p]", avc->item_name(ptr), avc); + 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(line, sizeof(line), "[%s @ %p] ", + (*parent)->item_name(parent), parent); + } + } + snprintf(line + strlen(line), sizeof(line) - strlen(line), "[%s @ %p] ", + avc->item_name(ptr), ptr); } -#define fprintf please_use_av_log - print_prefix= strstr(fmt, "\n") != NULL; + vsnprintf(line + strlen(line), sizeof(line) - strlen(line), fmt, vl); + + print_prefix = strlen(line) && line[strlen(line) - 1] == '\n'; - vfprintf(stderr, fmt, vl); +#if HAVE_ISATTY + if (!is_atty) + is_atty = isatty(2) ? 1 : -1; +#endif + + if (print_prefix && (flags & AV_LOG_SKIP_REPEATED) && + !strncmp(line, prev, sizeof line)) { + 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; + } + colored_fputs(av_clip(level >> 3, 0, 6), line); + av_strlcpy(prev, line, sizeof line); } -static void (*av_log_callback)(void*, int, const char*, va_list) = av_log_default_callback; +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); } @@ -70,6 +164,11 @@ 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;