From 51e026d115efa7f36d14a25069286e5ac5a05d25 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 22 Apr 2010 18:58:39 +0000 Subject: [PATCH] Coloring the log with ANSI. Ive checked this on black and white background and found no problem in terms of readability. flames welcome. Originally committed as revision 22946 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavutil/log.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/libavutil/log.c b/libavutil/log.c index 82eebf1..1a8f306 100644 --- a/libavutil/log.c +++ b/libavutil/log.c @@ -24,6 +24,7 @@ * logging functions */ +#include #include "avutil.h" #include "log.h" @@ -32,11 +33,27 @@ static #endif int av_log_level = AV_LOG_INFO; +#if !HAVE_ISATTY +#define isatty(s) 0 +#endif + +#undef fprintf +static void colored_fputs(int color, const char *str){ + if(isatty(2)){ + fprintf(stderr, "\033[%dm\033[3%dm", color>>4, color&15); + } + fputs(str, stderr); + if(isatty(2)){ + fprintf(stderr, "\033[0m"); + } +} + 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 line[1024], prev[1024]; + static const uint8_t color[]={0x41,0x41,0x11,0x03,9,9,9}; AVClass* avc= ptr ? *(AVClass**)ptr : NULL; if(level>av_log_level) return; @@ -57,7 +74,7 @@ void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl) fprintf(stderr, " Last message repeated %d times\n", count); count=0; } - fputs(line, stderr); + colored_fputs(color[av_clip(level>>3, 0, 6)], line); strcpy(prev, line); } -- 2.7.4