mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-21 06:50:44 +00:00
93 lines
2.3 KiB
C
93 lines
2.3 KiB
C
/*
|
|
* 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 libavutil/log.c
|
|
* logging functions
|
|
*/
|
|
|
|
#include "avutil.h"
|
|
#include "log.h"
|
|
|
|
#if LIBAVUTIL_VERSION_MAJOR > 50
|
|
static
|
|
#endif
|
|
int av_log_level = AV_LOG_INFO;
|
|
|
|
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];
|
|
AVClass* avc= ptr ? *(AVClass**)ptr : NULL;
|
|
if(level>av_log_level)
|
|
return;
|
|
#undef fprintf
|
|
if(print_prefix && avc) {
|
|
snprintf(line, sizeof(line), "[%s @ %p]", avc->item_name(ptr), ptr);
|
|
}else
|
|
line[0]=0;
|
|
|
|
vsnprintf(line + strlen(line), sizeof(line) - strlen(line), fmt, vl);
|
|
|
|
print_prefix= line[strlen(line)-1] == '\n';
|
|
if(print_prefix && !strcmp(line, prev)){
|
|
count++;
|
|
return;
|
|
}
|
|
if(count>0){
|
|
fprintf(stderr, " Last message repeated %d times\n", count);
|
|
count=0;
|
|
}
|
|
fputs(line, stderr);
|
|
strcpy(prev, line);
|
|
}
|
|
|
|
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, ...)
|
|
{
|
|
va_list vl;
|
|
va_start(vl, fmt);
|
|
av_vlog(avcl, level, fmt, vl);
|
|
va_end(vl);
|
|
}
|
|
|
|
void av_vlog(void* avcl, int level, const char *fmt, va_list vl)
|
|
{
|
|
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_callback(void (*callback)(void*, int, const char*, va_list))
|
|
{
|
|
av_log_callback = callback;
|
|
}
|