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• FFMpeg - Concat Video Files + Crossfade ?

  16 février 2020, par John Doe

  Using BATCH-File, I am piping lots of videos to FFMpeg and would like to crossfade the transitions. Instead of going to black, I’d like them to overlap by 2 seconds during the transition. Audio is not necessary as the videos are all silent. I am adding looped audio separately.

  (
  
  for /F %%i in ('dir /b "Folder\*.mp4"') do @echo file 'Folder/%%i'
  
  ) | ffmpeg -y -protocol_whitelist file,pipe -f concat -safe 0 -stream_loop -1 -i pipe: -stream_loop -1 -i "audio.mp3" -c copy -movflags faststart -fflags genpts -preset veryfast -t 3600 -r 30 "output.mp4"

  I’ve found lots of similar examples online but none are suitable. A little help would be appreciated. Thank you.

• FFmpeg save stream to mp3

  17 avril 2015, par Sergey92zp

  I have an iOS project that play online radio streams, it is use FFmpeg to play. Also I added ability to record streams, decode streams via avcodec_decode_audio4 function, and write output to .wav file. But this files are too big, because it is uncompressed format, so I want to decode files to .mp3.

  I have found couple ways to convert audio but only when audio it is ready file, but I want decode to some compressed format as soon as I get chunk of data from stream, not ready file.

  Is it possible ?
  Can you give me some advise how to achieve this ?

• Piwik is expanding ! We’re seeking a talented Software Engineer in New Zealand or in Poland

  13 mai 2014, par Matthieu Aubry — About, Community

  At Piwik and Piwik PRO we develop the leading open source web analytics platform, used by more than one million websites worldwide. Our vision is to build the best open alternative to Google Universal Analytics.

  The Piwik platform collects, stores and processes a lot of information : hundreds of millions of data points each month. We create intuitive, simple and beautiful reports that delight our users.

  Are you seeking a new challenge ? We are currently looking for a software engineer or software developer who is passionate about data processing, security, privacy, the open source philosophy and usable interface design.

  We practise agile methodology, test driven development, and fast release cycles. The main technologies we work with are Javascript (AngularJS, jquery), PHP5 and MySQL. You will write open source code that will directly benefit 250,000+ Piwik users in more than 200 countries and 50 languages.

  Responsibilities

  • Write server-side code (PHP5) and front-end code (Javascript) for Piwik platform.
  • Create robust high-volume production applications and develop prototypes quickly.
  • Tackle new problems as we continue to push technology forward.

  Minimum qualifications

  • BA/BS degree in Computer Science or equivalent practical experience.
  • 2 years of relevant work experience in software development.
  • Understanding of, and practical experience with PHP5 and Javascript application development.
  • Strong analytical and coding skills.
  • Excellent communication skills.

  Location

  • Wellington central, New Zealand.
    If you are not in New Zealand, and you are the right candidate, we will help you relocate here !
  • Wrocław, Poland

  Apply online

  To apply for this position, please Apply online here. We look forward to receiving your applications !