log.c
上传用户:jylinhe
上传日期:2022-07-11
资源大小:334k
文件大小:2k
- /*
- * 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 log.c
- * log.
- */
- #include "dsputil.h"
- //#include "internal.h"
- //#include "integer.h"
- 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;
- AVClass* avc= ptr ? *(AVClass**)ptr : NULL;
- if(level>av_log_level)
- return;
- #undef fprintf
- if(print_prefix && avc) {
- fprintf(stderr, "[%s @ %p]", avc->item_name(ptr), ptr);
- }
- print_prefix= strstr(fmt, "n") != NULL;
- vfprintf(stderr, fmt, vl);
- }
- 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;
- }