aac5773f
 hucm
功能基本完成，接口待打磨
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/*
* 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
*/
#include "libavutil/log.c"
#include <string.h>
static int call_log_format_line2(const char *fmt, char *buffer, int buffer_size, ...)
{
va_list args;
int ret;
int print_prefix=1;
va_start(args, buffer_size);
ret = av_log_format_line2(NULL, AV_LOG_INFO, fmt, args, buffer, buffer_size, &print_prefix);
va_end(args);
return ret;
}
int main(int argc, char **argv)
{
int i;
av_log_set_level(AV_LOG_DEBUG);
for (use_color=0; use_color<=256; use_color = 255*use_color+1) {
av_log(NULL, AV_LOG_FATAL, "use_color: %d\n", use_color);
for (i = AV_LOG_DEBUG; i>=AV_LOG_QUIET; i-=8) {
av_log(NULL, i, " %d", i);
av_log(NULL, AV_LOG_INFO, "e ");
av_log(NULL, i + 256*123, "C%d", i);
av_log(NULL, AV_LOG_INFO, "e");
}
av_log(NULL, AV_LOG_PANIC, "\n");
}
{
int result;
char buffer[4];
result = call_log_format_line2("foo", NULL, 0);
if(result != 3) {
printf("Test NULL buffer failed.\n");
return 1;
}
result = call_log_format_line2("foo", buffer, 2);
if(result != 3 || strncmp(buffer, "f", 2)) {
printf("Test buffer too small failed.\n");
return 1;
}
result = call_log_format_line2("foo", buffer, 4);
if(result != 3 || strncmp(buffer, "foo", 4)) {
printf("Test buffer sufficiently big failed.\n");
return 1;
}
}
return 0;
}
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