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• using ffmpeg from macOS terminal for uploading youtube short from android just do nothing

  25 juin 2023, par Yogi Arif Widodo

  my component / recording is using blachole plugin on macOS.

  


  engine : 13" Macbook Pro M1 ( macOS 13.2 / Ventura )

  


  step to reproduce

  


  

  1. my output is screenRecordingAudio ( this name is custom name ).

  


  


  // screenRecordingAudio in audioMidi : 
BlackHole 16ch [mark as checked on use]
External Headphones [mark as checked on use]


  


  


  screenRecordingAudio is using on by click on right top of bar UI, click sound, click screenRecordingAudio.

  


  


  OR

  


  


  screenRecordingAudio is using on Settings ➡️ Sounds ➡️ Output ➡️ then choose screenRecordingAudio

  


  


  

  2. my input is quickTimeInput ( this name is custom name ).

  


  


  // quickTimeInput in audioMidi : 
BlackHole 16ch [mark as checked on use]


  


  

  3. then using ⌘ + shift + 5 , on option i use quickTimeInput

  


  4. i use these command to convert into mp4 and also purpose to get more small size video

  


  


  #!/bin/bash

# greet the user
function yoVideo() {
  ffmpeg -i $1.mov -c:v libx264 -preset medium -crf 23 -c:a aac -b:a 128k -movflags +faststart $1.mp4
}


  


  OR

  


  ffmpeg -i yogiarifwidodo.mov -c:v libx264 -preset medium -crf 23 -c:a aac -b:a 128k -movflags +faststart yogiarifwidodo.mp4


  


  

  5. then i move the video into my phone android.

  


  6. then when i tried to upload on youtube as short, its cannot be process to upload ( its just do nothing ) but when i upload on facebook reels its work also on instagram story its still working also for whatsapp story.

  


  


  when i didnt convert into mp4 its also happend and in any other case for example whatsapp story , its lagging to review video before upload . its happend to on instagram .
but when i force upload , the result video is good and smooth . then i re download my video its still best video and when try to upload my download video , there is no lagging in any condition.

  


  how to get ffmpeg perform into mp4 and also no lagging on editing while uploading at whatsapp story or instagram story or facebook , etc ?
by the way i dont know command ffmpeg , the code is copied from stackoverflow and i forgot where is it.

  


• Gstreamer pipeline to scale down video before streaming

  20 novembre 2014, par r3dsm0k3

  Here is what Im trying to achieve.

  Im streaming from a Logitech C920 camera on beaglebone black with gstreamer. I have to save a copy of the video saved locally while it is streaming. I have achieved that with tee.
  Logitech camera gives h264 encoded video at a certain bitrate, mostly very high.

  Im streaming from a moving car on 3G, and the network is not good enough to send the stream to nginx-rtmp server Im using to re-distribute thus gives strong artifacts in the result.

  Im able to alter the bitrate of captured video using uvch264.
  But then, the locally saved video also would have lower bitrate.

  Is there anyway of capturing a higher bitrate 1080p video from the camera and sending a lower resolution, lower bitrate video the streaming server ?

  Following is the pipeline I have currently.

  gst-launch-1.0 -v -e uvch264src initial-bitrate=400000 average-bitrate=400000 iframe-period=3000  device=/dev/video0 name=src auto-start=true  src.vidsrc ! queue ! video/x-h264,width=1920,height=1080,framerate=30/1 ! h264parse ! flvmux streamable=true  name=flvmuxer ! queue ! tee name=t ! queue ! filesink location=/mnt/test.flv t. ! queue ! rtmpsink location=$SERVER/hls/$CAM1

  I could also try sending the higher bitrate video to a udpsink instead of rtmpsink and with another gstreamer process parallely and takes the data using a udpsink and probably post process/ re-encode and send to rtmp server.

  Im also limited by the processing speed BeagleBone has to do for encoding the videos. Currently Im trying for 1 camera and in the finished project I would like to have 2 cameras connected. Upload speed Im getting for the network is under 1Mbps.

  How do I solve this with less load on the BeagleBone ? Im very open to a new architecture as well.

• mp4 video on Android

  9 février 2016, par matthewbaskey

  I wanted to convert some old Flash videos to 1 video format so the content will show on a mobile phone. I got some mp4 and it doesn’t work on Android, specifically Chrome 32 running on Android 4.3.

  Click this link to a fiddle

  It is loading the mp4 file on Chrome 32 on Android 4.3, but I thought there is no support for H.256

  Then I went to a this site http://techslides.com/sample-webm-ogg-and-mp4-video-files-for-html5/

  and the mp4 video there works on Android/Chrome.

  I used VLC to check the codecs and they look the same

  H264 - MPEG-4 AVC (part 10) (avc1)
  
  Resolution: is different (working one is 560x320
  
  Resolution: mp4 not working is 640x480
  
  Framerate: working is 30, not working is 12
  
  Decoded format: Planar4:2:0 YUV

  I then searched the codec then with ffmpeg and I see that
  there is a property called
  compatible_brands : mp42icomavc1

  which is different than the non-working mp4 which has this property set to
  compatible : mp42mp41

  The file sizes are quite different as well. Could this be an issue.

  When I load http://html5test.com the Chrome on Android browser says MPEG-4 is not supported by H.264 is. it doesn’t say anything about the container.

  ok here is some source code, I thought chrome on android doesn’t support mp4 files, but when I load the following on Chrome 32 running on Sony Xperia Tablet running Android 4.3. I had an mp4 file that I converted to webm, but chrome still could not run it. It is 8 MB so perhaps the size is an issue....this mp4 has a different size and frameframe. Other than that I only see compatible version different as mentioned above.

      
  
  
  
  
  
      <h4>This is mp4 video</h4>
  
      <video controls="controls" autoplay="autoplay" preload="auto">
  
          <source src="http://techslides.com/demos/sample-videos/small.mp4" type="video/mp4">
  
      </source></video>