资源简介
ffmpeg 安装包
代码片段和文件信息
/*
* Various utilities for command line tools
* Copyright (c) 2000-2003 Fabrice Bellard
*
* 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
#include
#include
#include
#include
/* Include only the enabled headers since some compilers (namely Sun
Studio) will not omit unused inline functions and create undefined
references to libraries that are not being built. */
#include “config.h“
#include “compat/va_copy.h“
#include “libavformat/avformat.h“
#include “libavfilter/avfilter.h“
#include “libavdevice/avdevice.h“
#include “libavresample/avresample.h“
#include “libswscale/swscale.h“
#include “libswresample/swresample.h“
#include “libpostproc/postprocess.h“
#include “libavutil/avassert.h“
#include “libavutil/avstring.h“
#include “libavutil/bprint.h“
#include “libavutil/display.h“
#include “libavutil/mathematics.h“
#include “libavutil/imgutils.h“
#include “libavutil/libm.h“
#include “libavutil/parseutils.h“
#include “libavutil/pixdesc.h“
#include “libavutil/eval.h“
#include “libavutil/dict.h“
#include “libavutil/opt.h“
#include “libavutil/cpu.h“
#include “libavutil/ffversion.h“
#include “libavutil/version.h“
#include “cmdutils.h“
#if CONFIG_NETWORK
#include “libavformat/network.h“
#endif
#if HAVE_SYS_RESOURCE_H
#include
#include
#endif
#ifdef _WIN32
#include
#endif
static int init_report(const char *env);
AVDictionary *sws_dict;
AVDictionary *swr_opts;
AVDictionary *format_opts *codec_opts *resample_opts;
static FILE *report_file;
static int report_file_level = AV_LOG_DEBUG;
int hide_banner = 0;
void init_opts(void)
{
av_dict_set(&sws_dict “flags“ “bicubic“ 0);
}
void uninit_opts(void)
{
av_dict_free(&swr_opts);
av_dict_free(&sws_dict);
av_dict_free(&format_opts);
av_dict_free(&codec_opts);
av_dict_free(&resample_opts);
}
void log_callback_help(void *ptr int level const char *fmt va_list vl)
{
vfprintf(stdout fmt vl);
}
static void log_callback_report(void *ptr int level const char *fmt va_list vl)
{
va_list vl2;
char line[1024];
static int print_prefix = 1;
va_copy(vl2 vl);
av_log_default_callback(ptr level fmt vl);
av_log_format_line(ptr level fmt vl2 line size
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