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Limit av_log repeat detection to terminals so as to avoid filling files with

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lots of mess.

Originally committed as revision 25117 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2010-09-14 00:17:58 +00:00
parent 6639af56ea
commit c157fe6356
1 changed files with 7 additions and 1 deletions
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8
libavutil/log.c
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@ -85,6 +85,7 @@ void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
static int print_prefix=1; static int print_prefix=1;
static int count; static int count;
static char line[1024], prev[1024]; static char line[1024], prev[1024];
static int detect_repeats;
AVClass* avc= ptr ? *(AVClass**)ptr : NULL; AVClass* avc= ptr ? *(AVClass**)ptr : NULL;
if(level>av_log_level) if(level>av_log_level)
return; return;
@ -103,7 +104,12 @@ void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
vsnprintf(line + strlen(line), sizeof(line) - strlen(line), fmt, vl); vsnprintf(line + strlen(line), sizeof(line) - strlen(line), fmt, vl);
print_prefix= line[strlen(line)-1] == '\n'; print_prefix= line[strlen(line)-1] == '\n';
if(print_prefix && !strcmp(line, prev)){
#if HAVE_ISATTY
if(!detect_repeats) detect_repeats= isatty(2) ? 1 : -1;
#endif
if(print_prefix && detect_repeats==1 && !strcmp(line, prev)){
count++; count++;
fprintf(stderr, " Last message repeated %d times\r", count); fprintf(stderr, " Last message repeated %d times\r", count);
return; return;