使用DirectShow采集桌面、语音并实时进行H264和AAC编码，然后将其封装成MP4，希望对大家有用

使用DirectShow采集桌面、语音并实时进行H264和AAC编码，然后将其封装成MP4，希望对大家有用

/*
 * 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
 */

/*
 * This file was copied from the following newsgroup posting:
 *
 * Newsgroups: mod.std.unix
 * Subject: public domain AT&T getopt source
 * Date: 3 Nov 85 19:34:15 GMT
 *
 * Here‘s something you‘ve all been waiting for:  the AT&T public domain
 * source for getopt（3）.  It is the code which was given out at the 1985
 * UNIFORUM conference in Dallas.  I obtained it by electronic mail
 * directly from AT&T.  The people there assure me that it is indeed
 * in the public domain.
 */

#include 
#include 

static int opterr = 1;
static int optind = 1;
static int optopt;
static char *optarg;

static int getopt（int argc char *argv[] char *opts）
{
    static int sp = 1;
    int c;
    char *cp;

    if （sp == 1） {
        if （optind >= argc ||
            argv[optind][0] != ‘-‘ || argv[optind][1] == ‘\0‘）
            return EOF;
        else if （!strcmp（argv[optind] “--“）） {
            optind++;
            return EOF;
        }
    }
    optopt = c = argv[optind][sp];
    if （c == ‘:‘ || !（cp = strchr（opts c））） {
        fprintf（stderr “: illegal option -- %c\n“ c）;
        if （argv[optind][++sp] == ‘\0‘） {
            optind++;
            sp = 1;
        }
        return ‘?‘;
    }
    if （*++cp == ‘:‘） {
        if （argv[optind][sp+1] != ‘\0‘）
            optarg = &argv[optind++][sp+1];
        else if（++optind >= argc） {
            fprintf（stderr “: option requires an argument -- %c\n“ c）;
            sp = 1;
            return ‘?‘;
        } else
            optarg = argv[optind++];
        sp = 1;
    } else {
        if （argv[optind][++sp] == ‘\0‘） {
            sp = 1;
            optind++;
        }
        optarg = NULL;
    }

    return c;
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-05-18 14:02  DirectshowFilterAndX264\
     目录           0  2017-05-18 14:00  DirectshowFilterAndX264\bin\
     文件     2354688  2016-03-04 15:14  DirectshowFilterAndX264\bin\CC_API.dll
     文件      163840  2015-12-21 11:46  DirectshowFilterAndX264\bin\DEVICEIO.dll
     文件    11179022  2016-05-05 12:55  DirectshowFilterAndX264\bin\avcodec-56.dll
     文件      147982  2016-05-05 12:54  DirectshowFilterAndX264\bin\avdevice-56.dll
     文件      709646  2015-10-28 10:39  DirectshowFilterAndX264\bin\avfilter-3.dll
     文件     2034688  2014-05-06 10:08  DirectshowFilterAndX264\bin\avfilter-4.dll
     文件     1430542  2016-05-05 12:55  DirectshowFilterAndX264\bin\avfilter-5.dll
     文件     2149390  2016-05-05 12:55  DirectshowFilterAndX264\bin\avformat-56.dll
     文件      517646  2016-05-05 12:56  DirectshowFilterAndX264\bin\avutil-54.dll
     文件      104209  2015-11-03 14:09  DirectshowFilterAndX264\bin\libSDL_gfx-15.dll
     文件       93696  2015-12-01 14:23  DirectshowFilterAndX264\bin\libSaveHardDisk.dll
     文件       60318  2015-11-30 18:38  DirectshowFilterAndX264\bin\libasprintf-0.dll
     文件      284282  2016-03-02 20:46  DirectshowFilterAndX264\bin\libass-5.dll
     文件      144151  2015-09-02 14:24  DirectshowFilterAndX264\bin\libassuan-0.dll
     文件       38003  2016-02-09 19:03  DirectshowFilterAndX264\bin\libatomic-1.dll
     文件      298648  2015-10-05 17:14  DirectshowFilterAndX264\bin\libbluray-1.dll
     文件       76571  2016-02-29 15:50  DirectshowFilterAndX264\bin\libbz2-1.dll
     文件       61527  2015-07-08 13:44  DirectshowFilterAndX264\bin\libcaca++-0.dll
     文件      857150  2015-07-08 13:44  DirectshowFilterAndX264\bin\libcaca-0.dll
     文件     1080874  2015-10-30 14:38  DirectshowFilterAndX264\bin\libcairo-2.dll
     文件       34476  2015-10-30 14:38  DirectshowFilterAndX264\bin\libcairo-gobject-2.dll
     文件      171881  2015-10-30 14:38  DirectshowFilterAndX264\bin\libcairo-script-interpreter-2.dll
     文件       46202  2015-06-29 19:27  DirectshowFilterAndX264\bin\libcharset-1.dll
     文件      221899  2015-07-06 19:09  DirectshowFilterAndX264\bin\libcppunit-1-13-0.dll
     文件     1744718  2016-03-02 19:20  DirectshowFilterAndX264\bin\libeay32.dll
     文件      169937  2015-06-29 20:25  DirectshowFilterAndX264\bin\libexpat-1.dll
     文件       66560  2017-02-15 15:25  DirectshowFilterAndX264\bin\libfaac.dll
     文件      134656  2017-02-15 15:25  DirectshowFilterAndX264\bin\libfaacd.dll
     文件      299526  2015-07-13 03:52  DirectshowFilterAndX264\bin\libfaad-2.dll
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