如何将Adobe Connect录制内容导出为视频?

我有录制会议的链接,如何从中导出视频?     
已邀请:
登录您的Adobe Connect帐户 单击会议>我的会议 单击录制链接 单击“录制”链接(屏幕右侧) 单击“名称”列中的链接 复制“查看URL” - 示例,http://mycompany.adobeconnect.com/p12345678/ 将其粘贴到新的浏览器选项卡中,然后将以下内容添加到URL的末尾:
output/filename.zip?download=zip
您的URL应与此示例类似,http://mycompany.adobeconnect.com/p12345678/output/filename.zip?download = zip     
在Connect Central中,在录制列表中,有一个“脱机”链接。这将在本地计算机上创建录制的FLV。不幸的是,创建此视频只需录制视频即可。遵循应用程序提供的指导以获得最佳质量。 然后,您可以将FLV转码为您喜欢的格式。 您必须是录制会议的主持人或已将录制内容移动到内容库中。     
我编写了这个Python脚本来将Adobe Connect录制内容导出为视频:
'''
Requirements:
- python 2.7 or 3
- wget, unzip, and ffmpeg accessible from command line.

Examples:
python connect2vid_v2.py https://my.adobeconnect.com/pqc06mcawjgn/  --output_filename=" Understanding how the Network impacts your service"

Please email Franck Dernoncourt <franck.dernoncourt@gmail.com> if you improve this code.
'''

import shlex
import subprocess
import os
import glob
import argparse
import sys
import re


def run_command(command):
    print('running command: {0}'.format(command))
    process = subprocess.Popen(shlex.split(command), stdout=subprocess.PIPE)
    while True:
        output = process.stdout.readline()
        print(output.strip())
        if output == b'' and process.poll() is not None:
            print('Done running the command.')
            break
        if output:
            print(output.strip())
    rc = process.poll()
    return rc

def create_folder_if_not_exists(directory):
    '''
    Create the folder if it doesn't exist already.
    '''
    if not os.path.exists(directory):
        os.makedirs(directory)

def extract_connect_id(parser, args):
    '''
    Function written by Aaron Hertzmann
    '''
    # ----- extract the connectID or ZIP file  -----

    if len(args.URLorIDorZIP) < 1:
    #    print('Error: No Connect recording URL provided.')
        parser.print_help()
        sys.exit(0)

    if args.URLorIDorZIP[0][-4:].lower() == '.zip':
        sourceZIP = args.URLorIDorZIP[0]
        connectID = os.path.basename(sourceZIP[:-4])
    elif len(args.URLorIDorZIP[0]) == 12:
        connectID = args.URLorIDorZIP[0]
    else:
        s = args.URLorIDorZIP[0].split('/')
        connectID = None
        for i in range(len(s)-1):
            if 'adobeconnect.com' in s[i]:
                connectID = s[i+1]
                break
        if connectID == None:
            print("Error: couldn't parse URL")
            sys.exit(1)

    return connectID


def main():
    '''
    This is the main function
    '''

    # ================ parse the arguments (part of the parsing code was written by Aaron Hertzmann) ======================

    parser = argparse.ArgumentParser(description='Download an Adobe Connect recording and convert to a video file.')
    parser.add_argument('URLorIDorZIP', nargs='*', help='URL, code, or ZIP file for the Connect recording')
    parser.add_argument('--output_folder',default='output_videos',help='Folder for output files')
    parser.add_argument('--output_filename',default='noname', help='output_filename')
    args = parser.parse_args()

    #main_output_folder = "all_videos"
    main_output_folder = args.output_folder
    output_filename = args.output_filename
    output_filename =  re.sub(r'[^ws]','', output_filename)
    output_filename = output_filename.replace('@', '').strip()
    print('output_filename: {0}'.format(output_filename))
    connect_id = 'pul1pgdvpr87'
    connect_id = 'p6vwxp2d0c2f'
    connect_id = extract_connect_id(parser, args)
    video_filename = 'hello'
    video_filename = output_filename

    # ================ Download video  ======================
    output_folder = connect_id
    output_zip_filename = '{0}.zip'.format(connect_id)
    create_folder_if_not_exists(output_folder)
    create_folder_if_not_exists(main_output_folder)

    # Step 1: retrieve audio and video files
    connect_zip_url = 'https://my.adobeconnect.com/{0}/output/{0}.zip?download=zip'.format(connect_id)
    wget_command = 'wget -nc -O {1} {0}'.format(connect_zip_url, output_zip_filename) # -nc, --no-clobber: skip downloads that would download to existing files.
    run_command(wget_command)
    unzip_command = 'unzip -n {0} -d {1}'.format(output_zip_filename, output_folder) # -n: Unzip only newer files.
    run_command(unzip_command)

    # Step 2: create final video output
    cameraVoip_filepaths = []
    for filepaths in sorted(glob.glob(os.path.join(output_folder, 'cameraVoip_*.flv'))):
        cameraVoip_filepaths.append(filepaths)
    print('cameraVoip_filepaths: {0}'.format(cameraVoip_filepaths))

    screenshare_filepaths = []
    for filepaths in sorted(glob.glob(os.path.join(output_folder, 'screenshare_*.flv'))):
        screenshare_filepaths.append(filepaths)

    part = 0
    output_filepaths = []
    for cameraVoip_filepath, screenshare_filepath in zip(cameraVoip_filepaths, screenshare_filepaths):
        output_filepath = os.path.join(main_output_folder, '{0}_{1:04d}.flv'.format(video_filename, part))
        #output_filepath = '{0}_{1:04d}.flv'.format(video_filename, part)
        output_filepaths.append(output_filepath)
        # ffmpeg command from Oliver Wang / Yannick Hold-Geoffroy / Aaron Hertzmann
        conversion_command = 'ffmpeg -i "%s" -i "%s" -c copy -map 0:a:0 -map 1:v:0 -shortest -y "%s"'%(cameraVoip_filepath, screenshare_filepath, output_filepath)
        # -y: override output file if exists
        run_command(conversion_command)
        part += 1

    # Concatenate all videos into one single video
    # https://stackoverflow.com/questions/7333232/how-to-concatenate-two-mp4-files-using-ffmpeg
    video_list_filename = 'video_list.txt'
    video_list_file = open(video_list_filename, 'w')
    for output_filepath in output_filepaths:
        video_list_file.write("file '{0}'n".format(output_filepath))
    video_list_file.close()
    final_output_filepath = '{0}.flv'.format(video_filename)
    # ffmpeg command from Oliver Wang / Yannick Hold-Geoffroy / Aaron Hertzmann
    conversion_command = 'ffmpeg -safe 0 -y -f concat -i "{1}" -c copy "{0}"'.format(final_output_filepath, video_list_filename)
    run_command(conversion_command)
    #os.remove(video_list_filename)

if __name__ == "__main__":
    main()
    #cProfile.run('main()') # if you want to do some profiling
有关脚本如何工作的说明: 假设Adobe Connect ID为p6vwxp2d0c2f,即URL为https://my.adobeconnect.com/p6vwxp2d0c2f。您可以在URL的末尾添加
/output/p6vwxp2d0c2f.zip?download=zip
以下载包含一堆音频和视频文件以及一些.xml文件的zip存档。例如,https://my.adobeconnect.com/p6vwxp2d0c2e/output/p6vwxp2d0c2e.zip?download = zip可能包含:
 Directory of C:Users[...]p6vwxp2d0c2f

02/09/2019  11:27 AM    <DIR>          .
02/09/2019  11:27 AM    <DIR>          ..
02/09/2019  11:00 AM        52,239,473 cameraVoip_1_11.flv
02/09/2019  11:00 AM         1,364,573 cameraVoip_1_11.xml
02/09/2019  11:00 AM         7,176,904 cameraVoip_1_15.flv
02/09/2019  11:00 AM           188,012 cameraVoip_1_15.xml
02/09/2019  11:00 AM             6,004 cameraVoip_1_3.flv
02/09/2019  11:00 AM             1,698 cameraVoip_1_3.xml
02/09/2019  11:00 AM        62,603,505 cameraVoip_1_7.flv
02/09/2019  11:00 AM         1,625,383 cameraVoip_1_7.xml
02/09/2019  11:00 AM             2,249 ftcontent1.flv
02/09/2019  11:00 AM             8,219 ftcontent1.xml
02/09/2019  11:00 AM            25,685 ftcontent13.flv
02/09/2019  11:00 AM            85,464 ftcontent13.xml
02/09/2019  11:00 AM           199,781 ftcontent5.flv
02/09/2019  11:00 AM           657,091 ftcontent5.xml
02/09/2019  11:00 AM           182,297 ftcontent9.flv
02/09/2019  11:00 AM           601,758 ftcontent9.xml
02/09/2019  11:00 AM             1,354 fttitle0.flv
02/09/2019  11:00 AM             3,272 fttitle0.xml
02/09/2019  11:00 AM             1,354 fttitle12.flv
02/09/2019  11:00 AM             3,298 fttitle12.xml
02/09/2019  11:00 AM             1,354 fttitle4.flv
02/09/2019  11:00 AM             3,290 fttitle4.xml
02/09/2019  11:00 AM             1,354 fttitle8.flv
02/09/2019  11:00 AM             3,298 fttitle8.xml
02/09/2019  11:00 AM         1,815,158 indexstream.flv
02/09/2019  11:00 AM         7,703,603 indexstream.xml
02/09/2019  11:00 AM         5,316,597 mainstream.flv
02/09/2019  11:00 AM        21,259,001 mainstream.xml
02/09/2019  11:00 AM       217,448,561 screenshare_2_10.flv
02/09/2019  11:01 AM         1,364,572 screenshare_2_10.xml
02/09/2019  11:01 AM        32,364,457 screenshare_2_14.flv
02/09/2019  11:01 AM           188,011 screenshare_2_14.xml
02/09/2019  11:01 AM           387,981 screenshare_2_2.flv
02/09/2019  11:01 AM             1,698 screenshare_2_2.xml
02/09/2019  11:01 AM       237,470,572 screenshare_2_6.flv
02/09/2019  11:01 AM         1,625,385 screenshare_2_6.xml
02/09/2019  11:01 AM                48 telephony-files.xml
02/09/2019  11:01 AM               691 transcriptstream.flv
02/09/2019  11:01 AM             2,391 transcriptstream.xml
              39 File(s)    653,935,396 bytes
               2 Dir(s)   1,590,358,016 bytes free
cameraVoip __。xml包含音频+网络摄像头(如果有)。 screenshare __。xml包含音频+网络摄像头(如果有)。 要合并它们,你可以使用
ffmpeg
(我从Oliver Wang / Yannick Hold-Geoffroy / Aaron Hertzmann那里获得了
ffmpeg
命令):
ffmpeg -i cameraVoip_1_11.flv -i screenshare_2_10.flv -c copy -map 0:a:0 -map 1:v:0 -shortest output.flv
哪里:
-map 0:a:0
:映射仅用于音频的第一个输入文件。
-map 1:v:0
:映射仅用于视频的第二个输入文件。
-shortest
:剪切音频或视频,以防cameraVoip_1_11.flv和screenshare_2_10.flv长度不同。 如果您想保留网络摄像头视频并将其放在视频屏幕共享的某个角落:
ffmpeg -i cameraVoip_1_11.flv -i screenshare_2_10.flv  
                         -filter_complex 
                         "color=s=1072x480:c=black [base]; [0:v] setpts=PTS-STARTPTS, scale=640x480 [upperleft]; [1:v] setpts=PTS-STARTPTS, scale=432x240 [upperright]; [base][upperleft] overlay=shortest=1 [tmp1]; [tmp1][upperright] overlay=shortest=1:x=640" 
                         -c:v libx264 -c:a mp2 output.mkv
关于将cameraVoip __。xml映射到正确的screenhare __。xml,以防有多个: 可以查看cameraVoip __。xml / screenshare __。xml以获取音频/屏幕共享视频开始时的时间戳。这允许使用正确的cameraVoip __。xml映射屏幕共享__。xml。 例如,在https://my.adobeconnect.com/p6vwxp2d0c2f/output/p6vwxp2d0c2f.zip?download=zip中,来自cameraVoip_1_11.xml,第21行:
<String><![CDATA[Thu Feb 07 21:11:23 2019]]></String>
否则,另一种方法可能是对cameraVoip __。xml / screenshare __。xml进行排序,然后将第一个cameraVoip __。xml映射到第一个screenhare __。xml,第二个cameraVoip __。xml与第一个screenhare __。xml等等。我不知道是否在某些情况下它会中断(对于我看过的几个Adobe Connect录音似乎没问题,但也许这是因为人们总是共享屏幕)。     

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