The process of converting a media file from one format to another or changing the compression settings used.

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4
votes
1answer
824 views

OGV Format plays properly on my computer but transcoding drops (duplicate?) frames

I've made a set of screencasts using recordmydesktop on ubuntu 12.10. The output is an ogv file. When I watch the ogv file using the default movie player (totem) it looks fine - the audio and video ...
3
votes
1answer
99 views

Does mjpeg handle interlaced video correctly?

I'm using mencoder/libav to capture an interlaced source to mjpeg. Now, my hunch is that mjpeg is a codec that handles only full-frames, progressive video - because I assume it compresses single ...
0
votes
0answers
16 views

Converting container or transcode movies to iPhone from command line (os x)

Over the years I collected many movies in different container formats (avi, mp4, mkv) and encoded with different codecs too. Now want convert containers (or transcode them if absolutely necessary) to ...
0
votes
0answers
21 views

ffmpeg output does not play

I'm trying to transcode an uncompressed AVI ~27GB in size to an MP4. I'm using the following command: ffmpeg -i input.avi -c:v libx264 -preset slow -crf 20 -c:a copy output.mp4 The resultant MP4 ...
0
votes
0answers
71 views

Where to start Transcoding with FFMPEG?

I would like to learn a lot about Transcoding video files with FFMPEG from any format to mp4 (hH264/AAC) format. We have a large repository of video files ranging from 1 MB to 2 GB of various formats ...