A digital multimedia container format most commonly used to store video and audio, but which can also be used to store other data such as subtitles and still images.

learn more… | top users | synonyms

1
vote
0answers
52 views

Set ipad compatible thumbs for mp4 videos based on a frame of the video with command line

I have a directory of 100 mp4 files. All are working well on my ipad but most of them do not have a working thumb. I want to generate these thumbs with a command line command (on macosx) based on a ...
0
votes
0answers
79 views

Switching between H.264 video streams on the fly?

I have several H.264 encoded MP4 files, as well as still images. From these I want to generate a single video stream that I can broadcast. The stream will be composed of alternating still images and ...
0
votes
0answers
190 views

Using GoPro Studio to edit non-GoPro videos

I'm trying to use GoPro Studio to create a video that includes GoPro video as well as HD video from an iPhone. GoPro Studio was not able to deal with the .MOV file from the iPhone (the audio was ...
0
votes
0answers
60 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
119 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 ...