0
votes
0answers
21 views

What information H.264 store for key frames? [on hold]

Key frames are stored completely, mean don't need information from another frames to show a pic/frame. What format (or what kind of data) is used to store a key pic/frame in H.264? Is clear that the ...
2
votes
1answer
46 views

Can H264 achieve “equivalence” with ProRes 422?

Has anyone done or seen any tests comparing Apple ProRes 422 with high-bitrate H.264? We use 422 as a delivery format to go to DCP for theatrical versions of trailers. The bitrate is around 150mbps. ...
1
vote
1answer
34 views

What Codec Shows Absolute Black?

I need a codec that outputs an absolute black. Encoded some samples with .AVI no compression and the black background of my video is very dark. Contrary in other codecs like Apple ProRes or H264/MPEG4 ...
1
vote
2answers
59 views

Where does the 'extra' data come from when transcoding video?

This is something I've never quite understood, but have always wondered. Forgive my basic knowledge here, but I've tried to research this without a specific answer as to what is going on. When I ...
3
votes
1answer
159 views

ALL-I vs IPB. Which one to use

I'm fairly new do filmmaking. I've been trying to figure out which is best, but people seem to have very different opinions and everyone has his own arguments. My guess is that ALL-I should be better ...