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Old 16th August 2019, 14:53   #23621  |  Link
manolito
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But then how do you explain that after remuxing to MKV the LAV Splitter handles the Vorbis audio tracks just fine?
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Old 16th August 2019, 15:12   #23622  |  Link
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Sigh. Because this bug is not triggered in that situation. There is probably also bug in FFmpeg's Ogg parsing code. Your comments are not helpful.
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Old 16th August 2019, 15:50   #23623  |  Link
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Here is another "not helpful" comment...

If LAV Splitter and FFmpeg based source filters like FFMS2 and LSMASH all are buggy when it comes to opening OGG files then my conclusion is that the OGG format is obsolete or broken enough so that nobody cares to support it. Remux to MKV... (MP4 also works fine.)

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Old 16th August 2019, 16:32   #23624  |  Link
LigH
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It is possible that the audio track uses the even more ancient Vorbis ACM codec which is not fully compatible to the output of e.g. oggenc2.
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Old 16th August 2019, 22:26   #23625  |  Link
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Quote:
Originally Posted by manolito View Post
Here is another "not helpful" comment...

If LAV Splitter and FFmpeg based source filters like FFMS2 and LSMASH all are buggy when it comes to opening OGG files then my conclusion is that the OGG format is obsolete or broken enough so that nobody cares to support it. Remux to MKV... (MP4 also works fine.)
You are correct

https://hardwarebug.org/2010/03/03/ogg-objections/
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Old 17th August 2019, 16:48   #23626  |  Link
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File plays ok with LAV 0.68.1-4, and got broken by FFmpeg update.
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Old 27th August 2019, 15:49   #23627  |  Link
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Looks like nobody care to open bug report on FFmpeg bug tracker.
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Old 27th August 2019, 17:00   #23628  |  Link
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Looks like nobody care to open bug report on FFmpeg bug tracker.
PERHAPS because most people already know there exists a not-very-smart gatekeeper named cehoyos...
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Old 29th August 2019, 01:13   #23629  |  Link
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Does LAV support Sony's 8-bit (non-standard) HLG mode they implemented in their cameras? The 0.74.1.20 LAV filters baked into MPC-HC 1.8.7 + madVR 0.92.17 don't seem to see it as HDR. It does recognize the BT.2020 or BT.709 color in the MP4 files correctly.
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Old 29th August 2019, 03:05   #23630  |  Link
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madVR doesn't support HLG.
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Old 29th August 2019, 19:34   #23631  |  Link
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PERHAPS because most people already know there exists a not-very-smart gatekeeper named cehoyos...
...but I think he deserves to be pestered anyway

New ticket opened @ trac-dot-ffmpeg-dot-org:

http://trac.ffmpeg.org/ticket/8105
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Old 30th August 2019, 08:16   #23632  |  Link
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And it already develops ... also into the opposite direction, though, they believe GPAC flagged the stream like MPEG-2 4:2:2 although it is 4:2:0, should have been multiplexed differently. Anyway, it is an "important" entry.
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Old 4th September 2019, 07:45   #23633  |  Link
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Hello, i use MPC BE with madVR and LAV filters.
Should i disable the internal filters in MPC BE to let LAV Filters work as external filter?

Thanks in advance.
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Old 4th September 2019, 08:03   #23634  |  Link
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Quote:
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Should i disable the internal filters in MPC BE to let LAV Filters work as external filter?
Yes, according to the MPC-BE developers.
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Old 4th September 2019, 08:40   #23635  |  Link
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It's not a requirement for madVR to work however.
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Old 4th September 2019, 20:15   #23636  |  Link
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Strange, because here https://forum.doom9.org/showthread.p...50#post1884050 users told me that i don't have to disable them.
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Old 4th September 2019, 23:34   #23637  |  Link
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You don't have to but maybe LAV can do one or two things with MadVR that the BE internals do not and that was why they suggested it.. Is that still the case though?
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Old 4th September 2019, 23:46   #23638  |  Link
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Well that's why i select lav filters as preferred.

Tried to disable them and in the right click->filters, i see MPC Video/Audio etc.

If i enable them, i see instead LAV Video/Audio/Splitter.

So i think maybe they do that one or two things you mention. I don't know. Or there is more i'm ignoring?
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Old 5th September 2019, 19:37   #23639  |  Link
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Quote:
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Well that's why i select lav filters as preferred.
I do so too and uncheck internal filters, namely TS and Matroska, H264 and HEVC (they have more priority in MPC-BE over preferred external filters) to achieve LAV Filters be used at all (as you describe tough).
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Old 5th September 2019, 20:51   #23640  |  Link
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Quote:
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I do so too and uncheck internal filters, namely TS and Matroska, H264 and HEVC (they have more priority in MPC-BE over preferred external filters) to achieve LAV Filters be used at all (as you describe tough).
Thank you!

But i have noticed that with matroska, the lav filters start just fine. This do not happens to you?

I found matroska in internal filters-> source filters, and HEVC/H264 in internal filters -> video decoder.

Is this the right way i should do this? Anyway i can't find TS.
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