[FFmpeg-user] Adaptive Color Transform error

Gary Conley gary at goldeneraproductions.org
Wed Nov 27 17:03:59 EET 2019

Thanks Moritz,

What I do know is that I have passed hundreds of thousands of files through Aurora and files containing this Unsupported Adaptive Color Transform error are the only files that have caused it to crash. It is generally very consistent and very reliable. Hence my desire to gain a more in-depth understanding of the impact this error may have.

Gary Conley

From: ffmpeg-user [ffmpeg-user-bounces at ffmpeg.org] On Behalf Of Moritz Barsnick [barsnick at gmx.net]
Sent: Wednesday, November 27, 2019 5:46 AM
To: FFmpeg user discussions
Subject: Re: [FFmpeg-user] Adaptive Color Transform error

On Tue, Nov 26, 2019 at 07:53:33 -0800, Gary Conley wrote:
> Unfortunately I am unable to release a sample at this time.
> Is there any way you could give me some intuition as to what might be causing the error?

Well, seeing as you don't know whether ffplay's warnings/errors
correlate in any way with Tektronix AURORA's crash, you just can't

Since they fixed the crash, and it's a compliance tool, and now shows
no warnings, you just have to assume that your input files are
compliant, right? That's the whole purpose of the tool.

> These are final deliverable files and my concern is that they may
> fail on some player at some point in the future

Well, if you cannot trust your compliance tool, which you assumably pay
money for, what to do? Buy an additional complicance tool? Ask for your
money back if your files ever fail at their final destination? I'm
saying I understand your pain, or your bad feelings about this.

(I was going to ask whether you actually trust a quality check software
which crashes ;-), but, sigh, such things happen.)

> Or any other information I can provide that might help?

Someone who knows the format better may need to answer. I not sure
whether there exist other open source dnxhd demuxers.

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