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Videos on the Internet
1
vote
Accepted
Encode video for html5 and javascript controlled playback
The Apple video uses a profile with fewer reference frames and also carries a streaming hint track.
The following ffmpeg command template should create a quick seeking MP4 file:
ffmpeg -i input -c:v …
1
vote
Royalty Free Videos?
Browse the Creative Commons repository on Vimeo for a start. Except for the two non-commercial categories, videos from the other categories can be used for a credit, at most.
Here’s where you can …
0
votes
Accepted
exporting video from flash for html5 video changes colors
Broadcast video codecs such as H.264 (typically) store color as YUV, not RGB. Conversion from RGB to YUV will cause a subtle color shift but also the YUV range used to represent pixel color value is c …
3
votes
Accepted
Why can't my video play from where I drag the playback bar?
video1 has a very short keyframe interval - it has a keyframe every few frames. video2 doesn't. Some players have the ability to decode upto non-KF silently and start playing from seek point. If yours …
5
votes
What is the colour range of most videos?
Most videos are limited range i.e. luma goes from 16 to 235, and chroma from 16 to 240.
Unless expressly set, FFmpeg does not scale the range from one to another. Whatever the source is, that's the …