Questions tagged [prores]
An intermediate video codec.
0
votes
1answer
23 views
How to slow down ProRes file from 25fps to 16fps without re-encoding?
This works to change the speed, but it also changes the codec to MPEG4 Video (H264).
ffmpeg -y -r 16 -i at25fps.mov -filter:v "setpts=25/16*PTS" at16fps.mov
I need the codec to stay untouched: ...
1
vote
1answer
307 views
Convert to ProRes with ffmpeg adds unwanted contrast to footage
I'm trying to convert H.264 footage from a Panasonic EVA1 camera to Apple ProRes with ffmpeg. However no matter which setting I use, the output file has slightly more contrast than the original input ...
2
votes
1answer
33 views
Is MP4 a valid or common container for ProRes?
Is MP4 a valid or common container for ProRes? I've only seen it in MOVs and MXFs.
0
votes
1answer
17 views
Source ProRes 422 Proxy / Edit / Export to ProRes 422 proxy?
Wondering what exporting best practice is when working on source clips that are captured ProRes 422 Proxy.
I've c-corrected/graded these clips in DaVinci.
When it's time to 'Add to Render Queue', do ...
1
vote
1answer
120 views
White balance auto-adjusted half way through recording
Unbeknownst to me at the time, the camera I was using to record a talking head (so fixed environment and lighting) seems to have drastically altered its colour temperature part-way through recording. ...
0
votes
1answer
26 views
Is footage recorded through external recorder really better?
Most DSLRs offer 8-bit recording, 4:2:0 with 100mb/s 50/mb/s 500mb/s in their own containers.
Why would shooting with an external recorder (let's say ProRes HQ or 422), make the picture look better ...
1
vote
1answer
520 views
Are ffmpeg prores files reliable enough to be used in production/broadcast environment?
Recently I'm transcoding a lot of material that I wish to use in broadcast and production environment where they use all sort of macs and apple software.
I'm not very fan of apple computers and I ...
1
vote
1answer
481 views
YouTube Upload Gamma Shift
I've just finished a music video in Resolve and exported it as Mov/Prores422HQ. It looks correct when played back in Quicktime and in VLC, however when I upload to YouTube, there is a huge gamma shift ...
1
vote
1answer
1k views
What are the differences between the three bundled ffmpeg prores encoders?
I'm using ffmpeg and while looking through the list of codes with ffmpeg -codecs I realized there are actually three different prores encoders:
prores
prores_aw
prores_ks
What are the differences ...
5
votes
1answer
588 views
Bad quality encodes to Prores4444 with alpha from ffmpeg
EDIT: This bug has been fixed. If you're experiencing the problem below, try updating ffmpeg
I need to supply video with alpha as a prores4444 encoded file. I've been trying to use ffmpeg, but for ...
1
vote
2answers
4k views
ProRes444 Codec download process to Adobe Media Encoder
I am using MacOS Sierra and am trying to download the ProRes444 Codec in order to export my Adobe After Effects 4k RED footage in this format (probably using Adobe Media Encoder based on what I have ...
-1
votes
1answer
40 views
Which gives better prores bmpcc or 600d with atomus nimja 2
Which gives better prores bmpcc or 600d with atomus nimja 2. Which kit to buy.
1
vote
1answer
1k views
FFMPEG prores_ks 4444 color shift
I am attempting to encode "ProRes 4444" movies with ffmpeg. Some research led me to the "prores_ks" encoder, which is the only one of ffmpeg's prores encoders that supports "4444".
I used this ...
14
votes
3answers
11k views
H.264 or VP9 for encoding for YouTube?
I make short films which I distribute through YouTube. I know YouTube uses VP9 for streaming, but YouTube still recommends uploading with h.264. It makes more sense to me to upload in as similar a ...
4
votes
1answer
1k views
ffmpeg concatenation introduces video stutter but does not affect audio
I've gone through several different variants of this process and it always causes me problems. I've gotten it working sometimes but it doesn't seem to be consistent.
I have a video camera which ...
2
votes
2answers
518 views
If I shoot in H.264 is it worth it to export the product in ProRes?
I shoot video in H.264. I assume that my footage is forever compressed really small and that exporting to ProRes in FCPX would do nothing but make my file bigger. Is this true? Or am I missing ...
2
votes
0answers
638 views
Can you edit Apple ProRes in iMovie '11?
I have an older Mac Pro, and I am not able to run Final Cut Pro X because of graphics card limitations. However, because I have it installed, it seems like the codecs are present that are required ...
3
votes
1answer
2k views
Troubleshooting XDCAM import into Premirere Pro CC 2014
I am in the middle of editing a TV spot we create bi-weekly and therefore on a tight timeline. I am using Premiere Pro CC (2014) just upadted last week on Win8.1, 4790k, 16GB, OS SSD 256GB, Project ...
2
votes
1answer
2k views
Can't Import Video with Alpha to Premiere
This is really annoying. I've heard a lot about how Apple have removed a lot of different codec uses including the most needed Quicktime RGB+Alpha one in After Effects. I can no longer import videos ...
15
votes
5answers
17k views
How to encode Apple ProRes on Windows or Linux?
Is it also possible to encode video with Apple ProRes on Windows and Linux?
4
votes
1answer
3k views
Converting MLV to Prores
I have some Magic Lantern Raw footage that I want to convert to Prores 444 for use in this workflowenter link description here.
I understand the process, other than the use of LUTs.
In the process, ...
0
votes
1answer
33 views
Re-encoding Archival Movies
I have some old quicktime movies from a project I did in 2005. The client came back recently and wants to do some changes and run off a new version, and since I've got all his media restored at the ...
5
votes
2answers
7k 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.
...
3
votes
1answer
2k views
Premiere Pro PC timeline only plays for a few frames and then no Audio after installing Miraizon DNxHD / ProRes Codec
Since installing Miraizon DNxHD / ProRes Codec I am not able to play my timeline in real-time. It gives me a few frames and then the video freezes and audio keeps playing. I changed from Performance ...
1
vote
1answer
231 views
Batch splitting ProRes into equal-length segments
I routinely have to take ProRes footage and break it up into twenty minute segments of both ProRes and h.264. The computer I'm currently using to do this does has Premiere but not FCP. Any ideas on ...
2
votes
0answers
103 views
What hardware should I get for a conversion farm for MXF => Prores
I currently use a mac pro for importing mxf files into FCP (equivalent to converting to prores, I believe) at about 3x realtime @29.97fps. I want to get a machine to run ffmpeg & do the ...
2
votes
2answers
208 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 ...
0
votes
1answer
217 views
Why is after effects turning my Prores audio into white noise
I have some footage that I converted from red to prores444. I am able to view the converted mov in quicktime and the audio sounds fine. However, I when import it to Efter Effects, the audio previews ...
2
votes
2answers
454 views
Problem exporting a mixture of PAL and ProRes 422 in FCP
I have a FCP sequence made of a mixture of ProRes 422 and PAL clips. As soon as I export it using "QuickTime Movie" (Apple ProRes 422 PAL 48KHz option), the quality of the ProRes clips is superb, but ...
9
votes
2answers
7k views
The ProRes of Premiere Pro?
I'm going to be editing more and more DSLR videos, most notably music videos for my band as we start releasing singles and want to know if there is an intermediate format for both cutting and ...
