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• Socket code Python code at the end influences code in the beginning

  21 décembre 2019, par Samy Smart

  So basically i am trying to do the following things : Client sends project file, Server receives Project file, Server generates Video file, Server sends video File, Client receives Video File. Everything works up until sending the Video back. The Thing is when i include my code for sending the Video, not even the Things that worked before work anymore.
  The commented code in the code is the code that should send the Video back

  Client :

  import socket
  
  
  
  s = socket.socket()
  
  ip = socket.gethostname()
  
  file = "testae.aep"
  
  s.connect((ip, 1234))
  
  
  
  f = open(file, "rb")
  
  txt = f.read(1024)
  
  while txt:
  
      s.send(txt)
  
      print(f"Sending... {txt}")
  
      txt = f.read(1024)
  
  f.close()
  
  #f2 = open("final_output.mp4", "wb")
  
  #txt2 = s.recv(1024)
  
  #while txt2:
  
  #    f2.write(txt2)
  
  #    txt2 = s.recv(1024)
  
  #f2.close()
  
  print("received final output")
  
  s.close()

  Server :

  import os
  
  import socket
  
  
  
  s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
  
  s.bind((socket.gethostname(), 1234))
  
  counter = 0
  
  s.listen(5)
  
  aerpath = "C:/aerender.lnk"
  
  ffmpegpath = '"C:/Program Files/ffmpeg/bin/ffmpeg.exe"'
  
  
  
  while True:
  
      c, addr = s.accept()
  
      print("Client Connected")
  
      print(addr)
  
      f = open(f"ae_render_file{counter}.aep", "wb")
  
      txt = c.recv(1024)
  
      while txt:
  
          f.write(txt)
  
          print(f"Receiving... {txt}")
  
          txt = c.recv(1024)
  
      print("Out of WHILE")
  
      f.close()
  
      print("received file")
  
      os.system(aerpath + " -project " + f"C:/Users/weilu/PycharmProjects/localAERF/ae_render_file{counter}.aep "
  
                + '-comp "Comp 1" ' + f"-output C:/Users/weilu/PycharmProjects/localAERF/output/output{counter}")
  
      os.system(ffmpegpath + " -i " + f"output/output{counter}.avi -f mp4 -vcodec libx264 -preset slow -profile:v main "
  
                                      f"-pix_fmt yuv420p -acodec aac -hide_banner output/outputr{counter}.mp4")
  
      #f2 = open(f"output/outputr{counter}.mp4","rb")
  
      #txt2 = f2.read(1024)
  
      #while txt2:
  
      #    c.send(txt2)
  
      #    print("Sending...")
  
      #    txt2 = f.read(1024)
  
      #f2.close()
  
      c.close()
  
      counter += 1

• lavc/svq3 : stop including h264dec.h

  24 janvier 2022, par Anton Khirnov

  lavc/svq3 : stop including h264dec.h
  The only thing that is actually used directly from there is the
  
  PART_NOT_AVAILABLE constant, which can be moved to h264pred.h.
  Otherwise it only depends on other indirectly included headers.
  

  • [DH] libavcodec/h264dec.h
  • [DH] libavcodec/h264pred.h
  • [DH] libavcodec/svq3.c

• RecordRTC recording stop after 1min

  3 novembre 2015, par Mick Jack

  I am using RecordRTC to record a webcam stream and using ffmpeg to convert the output into .mp4 recording of 1min video is fine and the browser merge both the audio and video into a single .mp4 however recording that is longer than 1min will encounter this error.

  i had also asked the author of RecordRTC and he mentioned something about buffersize which i had changed to 0 and still encounter the same problem.

  

  My Sample Code

  var audioRecorder, videoRecorder, videoURL, connectionStream;
  
      function initRecorders(stream) {
  
          //document.getElementById('start-recording').disabled = false;
  
          document.getElementById('stop-recording').disabled = false;
  
          document.getElementById('fullscreeniframe').disabled = false;
  
          //document.getElementById('save-video').disabled = false;
  
          //document.getElementById('start-recording').onclick = function() {
  
              this.disabled = true;
  
              audioRecorder = RecordRTC(stream, {
  
                  recorderType: StereoAudioRecorder,
  
                  bufferSize: 16384,  // mandatory: if 720p output is forced. otherwise: optional
  
                  width: 1280, // optional---- to get 720p output
  
                  height: 720
  
              });
  
  
  
              videoRecorder = RecordRTC(stream, {
  
                  type: 'video', 
  
                  frameInterval: 90
  
              });
  
  
  
              videoRecorder.initRecorder(function() {
  
                  audioRecorder.initRecorder(function() {
  
                      audioRecorder.startRecording();
  
                      videoRecorder.startRecording();
  
                  });
  
              });
  
          //};``