Unanswered Questions

5
votes
0answers
56 views

Graphical editor for OggKate

Does anyone know of a graphical editor that let's one create and edit OggKate metadata for a file. I prefer using Ubuntu. Most of the examples I've found so far uses the commandline. I've come ...
4
votes
0answers
159 views

Is it possible in FFMPEG to change scale over time?

Ok, so using the overlay filter, one can change the x/y location of a video over time by using the "t" variable. For example, overlay=x='if(gte(t,2), -w+(t-2)*20, NAN)':y=0 can be used to start ...
3
votes
0answers
17 views

camera flashing in film

I film a lot with the Canon C100, I've noticed that when a lot of flashes are going off I get a lot of image issues (which I think is due to how CMOS exposes line by line) (see picture), the effects ...
3
votes
0answers
73 views

Copying h.264 video from TS into MP4 changes frame rate and time

I have large MPEG-TS file that I am converting to MP4 using the below command. If I seek to the same time in the video in both the MP4 and the TS file, the MP4 will be a few frames behind the TS ...
3
votes
1answer
62 views

Downsampling 4K footage for an increase in chroma sub-sampling

We have a Lumix GH-4 camera, which can shoot in 4K with 4:2:2 color space. I'd like to be able to convert the footage to 1080p 4:4:4 color space. I've read that there some ways of doing this: ...
3
votes
2answers
165 views

Grading Colour To Black And White In Davinci Resolve

I use Photoshop / ACR a lot and I'm well used to they way they handle conversion from black and white. I have control over reds, greens, blues, yellows, cyan and magentas, which allows a huge ...
3
votes
0answers
91 views

Embedded HD video looks fuzzy on full screen but fine at Vimeo

Any idea as to why an embedded HD video would get fuzzy at full screen, but looks fine at Vimeo using the same full screen icon. Using the full screen icon on the video player window on this ...
3
votes
0answers
63 views

Linux command-line option to do video lens correction?

Is there a Linux command-line option to do lens correction on videos? (Either as a tool, or a collection of tools) Specifically, GoPro videos? I know I can do correction in GoPro Studio, but I need ...
3
votes
0answers
46 views

Using gopro hero 3 white/black with 3d- anything to watch out for?

I am looking at buying a pair of black edition go pros and a 3d kit (mount with sync cable) I read elsewhere online about some issues with earlier models with the firmware etc. Does anyone know if ...
3
votes
0answers
83 views

Building smarter elements for Final Cut Pro X with Motion 5

Help me not look like an idiot who's schizophrenic about the date. I am producing a series of videos recorded at a monthly event. The client webcasts the event live and wants to raise awareness of ...
2
votes
2answers
35 views

AE - Composition video file/layer missing audio

In my case, I'm working with a file that does have audio, confirmed in the RAM preview and other checks mentioned above, however, I noticed after rendering, the first video file ha no audio (not even ...
2
votes
0answers
14 views

Determining original resolution of an upscaled digital image?

It is believed that anime is made at resolutions below 1080p. most anime are [made in 720p]. Very few anime series are produced in native 1080p. Yet if anime is sold on Blu-Ray, it is ...
2
votes
0answers
13 views

Keeping metadata (time/date) when extracting frames from video

Circumstances I recently started to extract frames from videos (GoPro) for underwater photography. I'm currently using Adobe Premiere Pro to do so, which works, but when I imported these new photos ...
2
votes
1answer
32 views

What lighting setup is recommended to achieve a purple atmosphere in an indoor hall

The video is taking place in a night. I want the beginning of the hall to be purple lighted and a fade to black, at the end of the hall. The Left photo, is the location when regular lights are on, ...
2
votes
1answer
49 views

HTML5 background video encoding settings

I'm doing a full page background video and I'm trying to convert the original mp4 to an webm. The background will not have any audio. I'm currently using ffmpeg. ffmpeg -i INPUT.mp4 -b 614400 -s ...

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