[FFmpeg-user] Compressing animation - result has washed out colors
rbarnes at njdevils.net
Fri Nov 23 02:54:00 EET 2018
Ok - I kicked off the job. It looks to be running faster but will still take a while as it's 80GB.
However it did pop-out this message in yellow....
" Timestamps are unset in a packet for stream 1. This is deprecated and will stop working in the future. Fix your code to set the timestamps properly"
Any idea what that means?
Figure I'd ask while waiting for the copy to complete.
From: ffmpeg-user <ffmpeg-user-bounces at ffmpeg.org> On Behalf Of Kieran O Leary
Sent: Thursday, November 22, 2018 6:56 PM
To: FFmpeg user questions <ffmpeg-user at ffmpeg.org>
Subject: Re: [FFmpeg-user] Compressing animation - result has washed out colors
On Thu, 22 Nov 2018, 20:57 Ron Barnes <rbarnes at njdevils.net wrote:
> Hi Kieran,
> I think I know what the issue is and I have no idea how to fix it.
> When I play the movie on my 24 inch Desktop monitor they both look the
> same. When I play it on the 65 inch TV the original looks great but
> the compressed looks washed out.
That seems weird.
> Here is what I (Think) figured out. On my daughters 32 inch TV they
> both look the same also. Since the 24 and 32 inch screens seem to
> show no difference, what that tells me is that maybe when I compressed
> the movie, it is no longer 4K. I think.
Your file is still 4K from what I can see. Seeing as the ffmpeg terminal outputs and the screenshots look identical in the source and new files, there seems to be something about how your (4k?) 65 inch TV is interpreting the file.
As a long shot, I'd be curious to know if there's some flag in the reencoded h265 bitstream that is in your source file but not in the output,and this is what is triggering the issue.
Can you try the following command and check it on your big TV? The encode should be very quick as the streams are being copied into a new container.
ffmpeg -i "Wreck_It_Ralph_Full_Bluray.mkv" -c copy -map 0 -color_primaries
bt2020 -color_trc smpte2084 -colorspace bt2020nc -color_range tv Wreck-It_Ralph_streamcopy.mkv _______________________________________________
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