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• Converting multiple RTP Streams into gRPC Stream

  20 janvier 2020, par GJ.

  I am receiving multiple RTP streams(g711 ulaw/alaw) which may be coming on TCP or UDP, I want to terminate the RTP and get the raw media from the RTP stream and stream it to a different destination by using Google gRPC protocol.

  Currently I have a RTP processing engine which does this and give me the raw stream from RTP stack which i further stream to gRPC destination, but this solution does not scale beyond 1000 streams on one host and is difficult to maintain.

  I want to replace this with some highly scalable solution where i can scale to several thousand of streams and does not need to be maintained.

  I am exploring option to Use ffmpeg / gstreamer for getting raw packets from RTP stream. Not sure how scalable it would be and how do i get hold of the stream so that i can stream it over gRPC.

  I have following questions :

  1. Is this good option to use ffmpeg / gstreamer for this purpose.
  2. How do i work with multiple streams any suggestions or sample.
  3. Any details about the scalability of ffmpeg / gstreamer.
  4. I plan to use Java for my application, which java wrapper would be good e.g. Xuggle / ffmpeg-cli-wrapper for ffmpeg.

• Has anyone used the speech driven animation and can you make it work ?

  16 août 2020, par hopw Jan

  I'm talking about this repo. I installed all the dependencies but I can't make it work. Any help is highly appreciated ( :

  


  I'm running python 3.7.5.

  


  This is my code :

  


  import sda
import scipy.io.wavfile as wav
from PIL import Image

va = sda.VideoAnimator(gpu=0, model_path="crema")# Instantiate the animator
fs, audio_clip = wav.read("example/audio.wav")
still_frame = Image.open("example/image.bmp")
vid, aud = va(frame, audio_clip, fs=fs)
va.save_video(vid, aud, "generated.mp4")


  


  Sadly it doesn't seem to work and it gives me this error :

  


  Warning (from warnings module):&#xA;  File "C:\Users\Alex\AppData\Local\Programs\Python\Python37\lib\site-packages\pydub\utils.py", line 170&#xA;    warn("Couldn&#x27;t find ffmpeg or avconv - defaulting to ffmpeg, but may not work", RuntimeWarning)&#xA;RuntimeWarning: Couldn&#x27;t find ffmpeg or avconv - defaulting to ffmpeg, but may not work&#xA;Traceback (most recent call last):&#xA;  File "C:\Users\Alex\Desktop\test\test.py", line 8, in <module>&#xA;    vid, aud = va(frame, audio_clip, fs=fs)&#xA;NameError: name &#x27;frame&#x27; is not defined&#xA;</module>

  


  Spent about 2 hours and I can't do anything, I'm out of ideas.
If you take the time to help me thank you from the bottom of my heart.

  


• FFMPEG command doesn't work in PHP. (Incompatibilty with MAMP)

  15 mars 2016, par Charlie Ryan

  I’m a bit of a beginner when it comes to PHP, and I’m trying to create a simple(ish) system where files are input, and then converted to html5 video in various resolutions.

  I’ve sorted out how to handle multiple file uploads etc, but now I’m having a problem.

  I can’t seem to get exec to execute FFMPEG in PHP.

  For example, if I type this into my command line (Terminal on Mac OSX 10.8), It converts the video correctly :

  ffmpeg -i /Users/charlieryan/Desktop/MOV01785.MPG websample.mov

  This correctly outputs the converted video file into my home directory.

  However if I run this in PHP as follows :

  exec('ffmpeg -i /Users/charlieryan/Desktop/MOV01785.MPG websample.mov');

  Absolutely nothing happens ... my stat monitor doesn’t register any change in processor use, and I can’t find the output file anywhere on my system.

  Since I’m a bit of a noob at this, I’m assuming I’m doing something wrong, but what is it ?

  Thanks,

  Charlie