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    12 mars 2010, par

    En fonction de la configuration de la plateforme, l’utilisateur peu avoir à sa disposition deux méthodes différentes de demande de création de canal. La première est au moment de son inscription, la seconde, après son inscription en remplissant un formulaire de demande.
    Les deux manières demandent les mêmes choses fonctionnent à peu près de la même manière, le futur utilisateur doit remplir une série de champ de formulaire permettant tout d’abord aux administrateurs d’avoir des informations quant à (...)

  • HTML5 audio and video support

    13 avril 2011, par

    MediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
    The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
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    MediaSPIP allows for media playback on major mobile platforms with the above (...)

Sur d’autres sites (4860)

  • ffmpeg with Popen (python) on Windows

    21 août 2018, par Gabrielle

    I am trying to use ffmpeg with Popen. The ffmpeg command I am trying works on cmd but gives me error with Popen.

    I am using the standalone ffmpeg .exe :

    ffmpeg -f gdigrab -offset_x 10 -offset_y 20 -show_region 1 -i desktop -video_size 1536x864 -b:v 2M -maxrate 1M -bufsize 1M -tune fastdecode -crf 15 -preset ultrafast -pix_fmt yuv420p -r 25 <path>/video.mov -qp 1 -y -an
    
</path>

    This gives me Invalid argument, but if I remove the last parameters in order to make the output the last thing on the string, I get a different error :

    Output file #0 does not contain any stream

    I tried to use -f dshow -i video="UScreenCapture" instead of the gdigrab, but both give me the same error with and without the parameters in the end.

    Both commands work on command line.

    On command line this ffmpeg -list_devices true -f dshow -i dummy returns this :

    [dshow @ 000001b24fa6a300] DirectShow video devices (some may be both video and audio devices)
    
[dshow @ 000001b24fa6a300]  "Integrated Webcam"
    
[dshow @ 000001b24fa6a300]     Alternative name "@device_pnp_\\?\usb#vid_1bcf&amp;pid_2b8a&amp;mi_00#6&amp;2c03619a&amp;0&amp;0000#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\global"
    
[dshow @ 000001b24fa6a300]  "UScreenCapture"
    
[dshow @ 000001b24fa6a300]     Alternative name "@device_sw_{860BB310-5D01-11D0-BD3B-00A0C911CE86}\UScreenCapture"
    
[dshow @ 000001b24fa6a300] DirectShow audio devices
    
[dshow @ 000001b24fa6a300]  "Microphone (Realtek Audio)"
    
[dshow @ 000001b24fa6a300]     Alternative name "@device_cm_{33D9A762-90C8-11D0-BD43-00A0C911CE86}\wave_{35EBFC89-7B09-4557-8032-85AA0B688FE9}"

    But on popen I can’t check it :

    -list_devices true -f dshow -i dummy: Invalid argument

    For the python part of the code I am using this :

    p = subprocess.Popen([getPathForFile("windows/ffmpeg").replace('\\','/'),  " -f gdigrab -offset_x 10 -offset_y 20 -show_region 1 -i desktop -video_size 1536x864 -b:v 2M -maxrate 1M -bufsize 1M -tune fastdecode -crf 15 -preset ultrafast -pix_fmt yuv420p -r 25 -qp 1 -y -an "+ path.replace('\\\\','/').replace('\\','/')+"video.mov"], shell=True)

    The getPathForFile is a custom function that returns the path. this is correct, mainly because the errors I am getting are from the ffmpeg, so...

    I am on a Windows 10. FFmpeg 4.0. Python 3.5.

    Any ideas why am I getting these errors on Popen but not on command line and how to fix them ? (mainly the second error)

  • How to queue ffmpeg jobs for transcoding ?

    25 juillet 2019, par sujit patel

    This scripts below check ftp fro any media file and starts transcoding using ffmpeg. Problem is it starts so many ffmpeg process simultaneously. since so many ffmpeg process running servers becomes too slow and takes heavy amount of time to transcodes videos. Sometimes server stops working.

    How to put jobs in a queue ?

    #!/usr/bin/env python3
    
import os, sys, time, threading, subprocess
    
import logging
    
from config import MEDIA_SERVER, MEDIA_SERVER_USERNAME, MEDIA_DIRS, LOCAL_MEDIA_DIR_ROOT, TRANSCODING_SERVER,  TRANSCODING_SERVER_USERNAME, RSYNC_SERVER, RSYNC_USERNAME, RSYNC_DIR, PROCESSING_DIR, PROCESSING_GPU_SCRIPT, PROCESSING_CPU_SCRIPT, EMAIL_SEND_TO, EMAIL_SEND_FROM
    
from send_email import sendEmail
    

    
import sqlite3
    

    

    
logger = logging.getLogger(__name__)
    

    
class FuncThread(threading.Thread):
    
    def __init__(self, target, *args):
    
        self._targett = target
    
        self._argst = args
    
        threading.Thread.__init__(self)
    

    
    def run(self):
    
        self._targett(*self._argst)
    

    

    
class Automator(threading.Thread):
    
    def __init__(self):
    
        threading.Thread.__init__(self)
    
        self.sleepTime=60
    
        self.lastSMILFileCheckTime = 0
    
        self.newlastSMILFileCheckTime = 0
    

    
        self.lastMediaFileCheckTime = 0
    
        self.newLastMediaFileCheckTime = 0
    

    
        self.db = None
    
        self.fluid_threads = []
    
        self.scriptRoot = os.path.dirname(os.path.realpath(__file__))
    

    

    
    def fluid_thread_add(self, thd):
    
        self.fluid_threads.append(thd)
    
        thd.start()
    

    
    def processFluidThreads(self):
    
        fluid_cond = [x.is_alive() for x in self.fluid_threads]
    
        finished_threads = [x for x, y in zip(self.fluid_threads, fluid_cond) if not y]
    
        self.fluid_threads = [x for x, y in zip(self.fluid_threads, fluid_cond) if y]
    
        if len(finished_threads) > 0:
    
            logger.info('Fluid threads finished: %s (joining on them now...)' % str(len(finished_threads)))
    
            [thd.join() for thd in finished_threads]
    
            logger.info('Joined finished threads successfully')
    
        if len(self.fluid_threads) > 0:
    
            logger.info('Fluid threads remaining: %s' % str(len(self.fluid_threads)))
    

    
    def run(self):
    
        self.setupDB()
    
        self.fetchlastCheckTime()
    
        while True:
    
            self.process()
    
            time.sleep(self.sleepTime)
    

    

    
    def process(self):
    
        logger.debug("process")
    
        try:
    
            self.handleNewSMILFiles()
    
            self.rsyncFromRemote()
    
            self.handleNewSourceFiles()
    
       # fluid_thread_add(FuncThread(start_single_task, user, task_name, task_path, selected_region))
    
            self.processFluidThreads()
    
            self.updatelastCheckTimes()
    
        except Exception as e:
    
            print(e)
    
            logger.error("Something went wrong while running this")
    

    
    def handleNewSourceFiles(self):
    
        logger.info("Looking for medial files since  " + str(self.lastMediaFileCheckTime))
    

    

    
        for root, dirs, filenames in os.walk(PROCESSING_DIR):
    
            for subdir in dirs:
    
                pass
    
            for f in filenames:
    
                if (f.lower().endswith("complete")):
    
                    file_path = os.path.join(root, f)
    
                    mod_time = self.modification_date(file_path)
    
                    if (mod_time > self.lastMediaFileCheckTime):
    
                        logger.info("Found a new media File " + file_path)
    
                        relDir = os.path.relpath(root, PROCESSING_DIR)
    
                        f_name = root.split("/")[-1]
    
                        new_output_localdir = os.path.join(LOCAL_MEDIA_DIR_ROOT, relDir)
    
                        new_output_localdir = os.path.abspath(os.path.join(new_output_localdir, os.pardir))
    

    
                        new_output_remotedir = new_output_localdir
    
                        if new_output_remotedir.startswith(LOCAL_MEDIA_DIR_ROOT):
    
                            new_output_remotedir = new_output_remotedir[len(LOCAL_MEDIA_DIR_ROOT):]
    

    

    
                        if(self.startATranscodingThread(root, new_output_localdir, new_output_remotedir, f_name+".mp4")):
    
                            if(mod_time > self.newLastMediaFileCheckTime):
    
                                self.newLastMediaFileCheckTime = mod_time
    

    

    
    def startATranscodingThread(self, inputFile, outputLocalDIR, outputRemoteDIR, fileName):
    
        self.fluid_thread_add(FuncThread(self.runTranscoder, inputFile, outputLocalDIR, outputRemoteDIR, fileName, MEDIA_SERVER))
    
        return True
    

    

    
    def handleNewSMILFiles(self):
    

    
        if (MEDIA_SERVER != TRANSCODING_SERVER):
    
            logger.info("Media server is separate, fetching last 24 hours SMIL files from " + MEDIA_SERVER)
    
            self.rsyncSMILFiles()
    

    
        logger.info("Looking for SMIL files since  " + str(self.lastSMILFileCheckTime) + " in " + LOCAL_MEDIA_DIR_ROOT)
    
        for root, dirs, filenames in os.walk(LOCAL_MEDIA_DIR_ROOT):
    
            for subdir in dirs:
    
                pass
    
            for f in filenames:
    
                file_path = os.path.join(root, f)
    
                if (f.lower().endswith("stream.smil")):
    
                    file_path = os.path.join(root, f)
    
                    mod_time = self.modification_date(file_path)
    
                    if(mod_time > self.lastSMILFileCheckTime):
    
                        logger.info("Found a new SMIL File " + file_path)
    
                        relDir = os.path.relpath(root, LOCAL_MEDIA_DIR_ROOT)
    
                        f = f.split(".")[0]
    
                        new_dir_name = os.path.splitext(os.path.basename(f))[0]
    
                        new_dir_name = os.path.join(relDir, new_dir_name)
    
                        if(self.createARemoteDirectory(new_dir_name)):
    
                            if(mod_time > self.newlastSMILFileCheckTime):
    
                                self.newlastSMILFileCheckTime = mod_time
    

    

    
    def modification_date(self, filename):
    
        t = os.path.getmtime(filename)
    
        return t
    

    
    def createARemoteDirectory(self, dirName):
    
        HOST = RSYNC_SERVER
    
        DIR_NAME=RSYNC_DIR + "/" + dirName
    
        COMMAND = "ssh {}@{} mkdir -p {}".format(RSYNC_USERNAME, RSYNC_SERVER, DIR_NAME)
    
        logger.info("Going to execute :-- " + COMMAND)
    
        rv = subprocess.check_call(COMMAND, shell=True)
    
        return True
    

    
    def rsyncSMILFiles(self):
    
        HOST = RSYNC_SERVER
    
        for MEDIA_DIR in MEDIA_DIRS:
    
            epoch_time = int(time.time())
    
            TEMP_FILE="/tmp/rsync_files.{}".format(epoch_time)
    
            COMMAND = "ssh -o ConnectTimeout=10 {}@{} \"cd {} &amp;&amp; find . -mtime -3  -name *.stream.smil > {} &amp;&amp;  rsync -azP --files-from={} . {}@{}:{}/{}\"".format(MEDIA_SERVER_USERNAME, MEDIA_SERVER, MEDIA_DIR, TEMP_FILE, TEMP_FILE, TRANSCODING_SERVER_USERNAME, TRANSCODING_SERVER, LOCAL_MEDIA_DIR_ROOT, MEDIA_DIR)
    
            logger.info("Going to execute :-- " + COMMAND)
    
            try:
    
                rv = subprocess.check_call(COMMAND, shell=True)
    
            except Exception as e:
    
                logger.error("Unable to connect to media server")
    
        return True
    

    

    

    

    
    def rsyncFromRemote(self):
    
        HOST = RSYNC_SERVER
    
        COMMAND="rsync -azP --delete {}@{}:{} {} ".format(RSYNC_USERNAME, RSYNC_SERVER, RSYNC_DIR+"/", PROCESSING_DIR)
    
        logger.info("Going to execute :-- " + COMMAND)
    
        rv = subprocess.check_call(COMMAND, shell=True)
    
        return True
    

    
    def runTranscoder(self, inputDIR, outputLocalDIR, outputRemoteDIR, fileName, media_server):
    
        HOST = RSYNC_SERVER
    

    
        COMMAND="bash {} {} {} {} {} {}".format(PROCESSING_CPU_SCRIPT, inputDIR, outputLocalDIR, outputRemoteDIR, fileName, media_server)
    
#        if (len(self.fluid_threads)>2):
    
 #           COMMAND="bash {} {} {} {} {} {}".format(PROCESSING_CPU_SCRIPT, inputDIR, outputLocalDIR, outputRemoteDIR, fileName, media_server)
    

    
        logger.info("Going to execute :-- " + COMMAND)
    
        #sendEmail(EMAIL_SEND_TO, EMAIL_SEND_FROM, "Transcoding started for file" + fileName.replace('_','-').replace('/','-'), outputRemoteDIR+fileName)
    
       # sendEmail(EMAIL_SEND_TO, EMAIL_SEND_FROM, "Transcoding started for file" , outputRemoteDIR+fileName)
    
        try:enter code here
    
            rv = subprocess.check_call(COMMAND, shell=True)
    
           # if (rv !=0):
    
            #    sendEmail(EMAIL_SEND_TO, EMAIL_SEND_FROM, "Transcoding Failed for a file", outputRemoteDIR+fileName)
    
        except Exception as e:
    
            logger.error("Transcoding Failed for a file :- " +  outputRemoteDIR+fileName);
    
#            sendEmail(EMAIL_SEND_TO, EMAIL_SEND_FROM, "Transcoding Failed for a file", outputRemoteDIR+fileName+"\n contact dev@example.com")
    
        return True
    

    
    def setupDB(self):
    
      self.db = sqlite3.connect('automator.db', detect_types=sqlite3.PARSE_DECLTYPES | sqlite3.PARSE_COLNAMES)
    
      sql = "create table if not exists last_smil_check (last_check_time int)"
    
      self.db.execute(sql)
    
      self.db.commit()
    

    
      sql = "create table if not exists last_mediafile_check(last_check_time int)"
    
      self.db.execute(sql)
    
      self.db.commit()
    

    

    
    def fetchlastCheckTime(self):
    
      cursor = self.db.execute("select * from last_smil_check")
    
      count = 0
    
      for row in cursor:
    
        logger.info(row)
    
        count = count+1
    
        self.lastSMILFileCheckTime = row[0]
    
        self.newlastSMILFileCheckTime = self.lastSMILFileCheckTime
    

    
      cursor = self.db.execute("select * from last_mediafile_check")
    
      count = 0
    
      for row in cursor:
    
        logger.info(row)
    
        count = count+1
    
        self.lastMediaFileCheckTime = row[0]
    
        self.newLastMediaFileCheckTime = self.lastMediaFileCheckTime
    

    

    
    def updatelastCheckTimes(self):
    

    
      self.lastSMILFileCheckTime = self.newlastSMILFileCheckTime
    
      self.lastMediaFileCheckTime = self.newLastMediaFileCheckTime
    

    
      cursor = self.db.execute("select * from last_smil_check")
    
      count = 0
    
      for row in cursor:
    
        count = count +1
    

    
      if(count == 0):
    
        sql_query = "insert into last_smil_check values ({})".format(self.lastSMILFileCheckTime)
    
        logger.info("Executing " + sql_query)
    

    
        self.db.execute(sql_query)
    
      else:
    
        self.db.execute("update last_smil_check set last_check_time ={}".format(self.lastSMILFileCheckTime))
    

    
      self.db.commit()
    

    
      cursor = self.db.execute("select * from last_mediafile_check")
    
      logger.info(cursor)
    
      count = 0
    
      for row in cursor:
    
        count = count +1
    

    
      if(count == 0):
    
        sql_query = "insert into last_mediafile_check values ({})".format(self.lastMediaFileCheckTime)
    
        logger.info("Executing " + sql_query)
    

    
        self.db.execute(sql_query)
    
      else:
    
        sql_query = "update last_mediafile_check set last_check_time ={}".format(self.lastMediaFileCheckTime)
    
        logger.info("Executing " + sql_query)
    
        self.db.execute(sql_query)
    

    
      self.db.commit()
    

    

    

    
if __name__ == '__main__':
    
    logging.basicConfig(level=logging.DEBUG)
    
    automator = Automator()
    
    automator.start()
    

    
enter code here

  • ffmpeg.exe not detecting UScreenCapture

    14 janvier 2021, par TenG

    I have two version of ffmpeg on the Windows 7 PC.

    &#xA;

    The first came installed with an application, which uses ffmpeg to capture video/audio of the desktop. This works.

    &#xA;

    It uses an older version of ffmpeg, so I downloaded the latest version and tried the same command and it reports that the devices are not detected.

    &#xA;

    Commands run :

    &#xA;

    Old FFMPEG :

    &#xA;

    ffmpeg.exe -list_devices true -f dshow -i dummy

    &#xA;

    ffmpeg version N-70358-g047fd98 Copyright (c) 2000-2015 the FFmpeg developers&#xA;  built with gcc 4.9.2 (GCC)&#xA;  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-f&#xA;rei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype --ena&#xA;ble-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-&#xA;amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-li&#xA;btheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --e&#xA;nable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma --enable-decklin&#xA;k --enable-zlib&#xA;  libavutil      54. 19.100 / 54. 19.100&#xA;  libavcodec     56. 26.100 / 56. 26.100&#xA;  libavformat    56. 23.106 / 56. 23.106&#xA;  libavdevice    56.  4.100 / 56.  4.100&#xA;  libavfilter     5. 11.102 /  5. 11.102&#xA;  libswscale      3.  1.101 /  3.  1.101&#xA;  libswresample   1.  1.100 /  1.  1.100&#xA;  libpostproc    53.  3.100 / 53.  3.100&#xA;[dshow @ 04a8a500] DirectShow video devices (some may be both video and audio devices)&#xA;[dshow @ 04a8a500]  "VF0700 Live! Cam Chat HD"&#xA;[dshow @ 04a8a500]     Alternative name "@device_pnp_\\?\usb#vid_041e&amp;pid_4088&amp;mi_00#7&amp;b015b04&amp;0&amp;0000#{65e8773d-8f56-11d0-a3b9-00a0c&#xA;9223196}\global"&#xA;[dshow @ 04a8a500]  "UScreenCapture"&#xA;[dshow @ 04a8a500]     Alternative name "@device_sw_{860BB310-5D01-11D0-BD3B-00A0C911CE86}\UScreenCapture"&#xA;[dshow @ 04a8a500]  "screen-capture-recorder"&#xA;[dshow @ 04a8a500]     Alternative name "@device_sw_{860BB310-5D01-11D0-BD3B-00A0C911CE86}\{4EA6930A-2C8A-4AE6-A561-56E4B5044439}"&#xA;[dshow @ 04a8a500] DirectShow audio devices&#xA;[dshow @ 04a8a500]  "Microphone (VF0700 Live! Cam Ch"&#xA;[dshow @ 04a8a500]     Alternative name "@device_cm_{33D9A762-90C8-11D0-BD43-00A0C911CE86}\Microphone (VF0700 Live! Cam Ch"&#xA;[dshow @ 04a8a500]  "virtual-audio-capturer"&#xA;[dshow @ 04a8a500]     Alternative name "@device_sw_{33D9A762-90C8-11D0-BD43-00A0C911CE86}\{8E14549B-DB61-4309-AFA1-3578E927E935}"&#xA;dummy: Immediate exit requested&#xA;

    &#xA;

    New FFMPEG :

    &#xA;

    ffmpeg version N-100616-gca21cb1e36 Copyright (c) 2000-2021 the FFmpeg developers&#xA;  built with gcc 9.3-win32 (GCC) 20200320&#xA;  configuration: --prefix=/ffbuild/prefix --pkg-config-flags=--static --pkg-config=pkg-config --cross-prefix=x86_64-w64-mingw32- --a&#xA;rch=x86_64 --target-os=mingw32 --enable-gpl --enable-version3 --disable-debug --disable-w32threads --enable-pthreads --enable-iconv&#xA;--enable-zlib --enable-libxml2 --enable-libfreetype --enable-libfribidi --enable-gmp --enable-lzma --enable-fontconfig --enable-open&#xA;cl --enable-libvmaf --disable-vulkan --enable-libvorbis --enable-amf --enable-libaom --enable-avisynth --enable-libdav1d --enable-li&#xA;bdavs2 --enable-ffnvcodec --enable-cuda-llvm --disable-libglslang --enable-libass --enable-libbluray --enable-libmp3lame --enable-li&#xA;bopus --enable-libtheora --enable-libvpx --enable-libwebp --enable-libmfx --enable-libopencore-amrnb --enable-libopencore-amrwb --en&#xA;able-libopenjpeg --enable-librav1e --enable-librubberband --enable-schannel --enable-sdl2 --enable-libsoxr --enable-libsrt --enable-&#xA;libsvtav1 --enable-libtwolame --enable-libuavs3d --enable-libvidstab --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-li&#xA;bxvid --enable-libzimg --extra-cflags=-DLIBTWOLAME_STATIC --extra-cxxflags= --extra-ldflags=-pthread --extra-libs=-lgomp&#xA;  libavutil      56. 63.100 / 56. 63.100&#xA;  libavcodec     58.116.100 / 58.116.100&#xA;  libavformat    58. 65.101 / 58. 65.101&#xA;  libavdevice    58. 11.103 / 58. 11.103&#xA;  libavfilter     7. 95.100 /  7. 95.100&#xA;  libswscale      5.  8.100 /  5.  8.100&#xA;  libswresample   3.  8.100 /  3.  8.100&#xA;  libpostproc    55.  8.100 / 55.  8.100&#xA;[dshow @ 000000000052cc00] DirectShow video devices (some may be both video and audio devices)&#xA;[dshow @ 000000000052cc00]  "VF0700 Live! Cam Chat HD"&#xA;[dshow @ 000000000052cc00]     Alternative name "@device_pnp_\\?\usb#vid_041e&amp;pid_4088&amp;mi_00#7&amp;b015b04&amp;0&amp;0000#{65e8773d-8f56-11d0-a3&#xA;b9-00a0c9223196}\global"&#xA;[dshow @ 000000000052cc00] DirectShow audio devices&#xA;[dshow @ 000000000052cc00]  "Microphone (VF0700 Live! Cam Ch"&#xA;[dshow @ 000000000052cc00]     Alternative name "@device_cm_{33D9A762-90C8-11D0-BD43-00A0C911CE86}\Microphone (VF0700 Live! Cam Ch"&#xA;dummy: Immediate exit requested&#xA;

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    The new version is not detecting the following :

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    [dshow @ 04a8a500]  "UScreenCapture"&#xA;[dshow @ 04a8a500]     Alternative name "@device_sw_{860BB310-5D01-11D0-BD3B-00A0C911CE86}\UScreenCapture"&#xA;[dshow @ 04a8a500]  "screen-capture-recorder"&#xA;[dshow @ 04a8a500]     Alternative name "@device_sw_{860BB310-5D01-11D0-BD3B-00A0C911CE86}\{4EA6930A-2C8A-4AE6-A561-56E4B5044439}"&#xA;[dshow @ 04a8a500]  "virtual-audio-capturer"&#xA;[dshow @ 04a8a500]     Alternative name "@device_sw_{33D9A762-90C8-11D0-BD43-00A0C911CE86}\{8E14549B-DB61-4309-AFA1-3578E927E935}"&#xA;

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    Why is this ?

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