0
votes
2answers
1k views

What video codec puts the CPU/GPU under the least possible load while decoding?

I'm interested in transcoding a video I own for use as a screensaver; size isn't an issue, but I want to stress the processor and video card as little as possible as far as video decoding goes. What ...
2
votes
2answers
329 views

Best video codec for filmed powerpoint presentation

I have some presentations that are filmed. The audio is the presenter and the video is all the Powerpoint slides (size 1024x768, video codec H264, audio codec AAC). I would like to reduce their ...
1
vote
1answer
3k views

converting to MXF using ffmpeg

I have been trying to use FFmpeg utility to convert a avi file using DNxHD to mxf format. I am using "FFmpeg" with params as following: ffmpeg -i ccvt_box.avi -vcodec dnxhd -video_size 1920x1080 -r ...
2
votes
1answer
630 views

How can I avoid a few seconds of blank video when using -vcodec copy?

I'm processing user-uploaded videos on a CentOS web server with ffmpeg. I need to convert each video to a standard size and format, then extract a 30-second sample clip from each video. I want to use ...
0
votes
1answer
638 views

Most compatible video/audio format for Mac+PC (including legacy machines)?

We're a small non-profit and we're authoring some data DVDs with some instructional videos on them (mostly Powerpoint and video screen captures). Some of our users may be computer novices, others may ...
3
votes
1answer
509 views

What is the best input format for ffmpeg?

My company takes in video files from film makers and compresses them via ffmpeg for streaming over the internet. Ffmpeg supports many video formats, but doesn't support some (e.g. Apple ProRes). Is ...