Newest 'ffmpeg' Questions - Stack Overflow

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• Convert all images in directory to .mp4 using FFMpeg

  8 mai 2015, par Jack

  I'm strugling to do this. I have a directory with .jpg images named in UNIX timestamp format. How can i covert all images starting the oldest timestamp to the newest in .mp4 format video?

  I found some solution but they use incremental naming, like image001, image002..

  I would appreciate any help. Thanks.

• ffprobe | ShowFrames | Packet Size | Divide | Add

  8 mai 2015, par Ben

  I am running this statement in shell

  for file in /path/to/files/*.mp4; do ffprobe -show_frames $file | grep "pkt_size" > ${file}.txt
  

  done

  It would be great if I could get this information too;

  1. When I grep pkt_size row with numbers then I want script to - divide every pkt_size number with 100,
  2. then add (sum) pkt_size row numbers every after 50 rows.

• how to run "3gp, FLV, avi" video format in AVPLAYER or MPMoviePlayerViewController in iOS ?

  8 mai 2015, par Jenifer

  I need to play 3gp, FLV, avi Video file format in my application. I had searched lot about it.

  Got some library like "FFmpeg" Library. But could not find any sample code for it.

  Any other ways for it are also appreciated.

  Does any body have done it before?

  I am even not sure that if it is possible or not in iOS.

  Please give me solution for it.

  UPDATE :

  I tried one 3gp Video in my AVquePlaye but it is not play in my code,

  While i use same Video in WhatsApp in my iPhone, Surprisingly video is playing there.

• What are all codecs supported by FFmpeg ?

  7 mai 2015, par poobalan

  I need a list of codecs supported by FFmpeg. Where can I find it?

• Android ffmpeg api calls from command line

  7 mai 2015, par Eugene

  Since there is no documentation on ffmpeg api, I suggested to find a little help here. Is it possible to know what api used in accordance to command line calls?