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Banding from ProRes
#6
I think I see the cause of the problem.
MediaInfo doesn't report a bit depth
Video Count : 377 Count of stream of this kind : 1 Kind of stream : Video Kind of stream : Video Stream identifier : 0 StreamOrder : 0 ID : 1 ID : 1 Format : ProRes Format : ProRes Commercial name : ProRes Format version : Version 0 Format profile : 422 Codec ID : apcn Codec ID/Url : http://www.apple.com/quicktime/download/standalone.html Duration : 23000 Duration : 23 s 0 ms Duration : 23 s 0 ms Duration : 23 s 0 ms Duration : 00:00:23.000 Duration : 00:00:23:00 Duration : 00:00:23.000 (00:00:23:00) Bit rate mode : CBR Bit rate mode : Constant Bit rate : 45875200 Bit rate : 45.9 Mb/s Width : 720 Width : 720 pixels Clean aperture width : 703 Clean aperture width : 703 pixels Height : 576 Height : 576 pixels Clean aperture height : 576 Clean aperture height : 576 pixels Sampled_Width : 720 Sampled_Height : 576 Pixel aspect ratio : 1.093 Clean aperture pixel aspect ratio : 1.093 Display aspect ratio : 1.366 Display aspect ratio : 4:3 Clean aperture display aspect ratio : 1.333 Clean aperture display aspect ratio : 4:3 Rotation : 0.000 Frame rate mode : CFR Frame rate mode : Constant Frame rate : 25.000 Frame rate : 25.000 FPS Frame count : 575 Standard : PAL Color space : YUV Chroma subsampling : 4:2:2 Chroma subsampling : 4:2:2 Scan type : Interlaced Scan type : Interlaced Scan type, store method : InterleavedFields Scan type, store method : Interleaved fields Scan order : TFF Scan order : Top Field First Bits/(Pixel*Frame) : 4.425 Delay : 0 Delay : 00:00:00.000 Delay_Settings : DropFrame=No / 24HourMax=No / IsVisual=No Delay_DropFrame : No Delay, origin : Container Delay, origin : Container Stream size : 131891200 Stream size : 126 MiB (83%) Stream size : 126 MiB Stream size : 126 MiB Stream size : 126 MiB Stream size : 125.8 MiB Stream size : 126 MiB (83%) Proportion of this stream : 0.83266 Writing library : AJA Kona Hardware Writing library : AJA Kona Hardware Language : en Language : English Language : English Language : en Language : eng Language : en Encoded date : UTC 2020-05-14 16:03:08 Tagged date : UTC 2020-05-14 16:03:08 colour_description_present : Yes colour_description_present_Source : Container / Stream Color primaries : BT.601 PAL colour_primaries_Source : Container colour_primaries_Original_Source : Stream Transfer characteristics : BT.709 transfer_characteristics_Source : Container transfer_characteristics_Original_Source : Stream Matrix coefficients : BT.601 matrix_coefficients_Source : Container / Stream
and this is why Hybrid assumes the source is 8bit, FFVideoSource then decodes the video as 422p8 which probably causes the banding.

Funny thing is that mplayer:
[prores @ 0000000002bc6bc0]Auto bitdepth precision. Use 10b decoding based on codec tag.
and ffmpeg:
Stream #0:0(eng): Video: prores (Standard) (apcn / 0x6E637061), yuv422p10le(tv, smpte170m/unknown/unknown, top coded first (swapped)), 720x576, 45875 kb/s, SAR 59:54 DAR 295:216, 25 fps, 25 tbr, 25k tbn, 25k tbc (default)
both report 10bit,...
-> can you share a small sample of such a source with me so I can work on a workaround to this problem/bug in MediaInfo.
(only need a few seconds)
Okay, scratch that I got a sample.

Cu Selur
----
Dev versions are in the 'experimental'-folder of my GoogleDrive, which is linked on the download page.
Offline between (including) 29th of June and 5th of July => RochHarz Festival
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Messages In This Thread
Banding from ProRes - by shibbycribby - 29.05.2020, 11:52
RE: Banding from ProRes - by Selur - 29.05.2020, 16:42
RE: Banding from ProRes - by shibbycribby - 29.05.2020, 17:13
RE: Banding from ProRes - by Selur - 29.05.2020, 17:16
RE: Banding from ProRes - by shibbycribby - 29.05.2020, 17:32
RE: Banding from ProRes - by Selur - 29.05.2020, 17:59
RE: Banding from ProRes - by Selur - 29.05.2020, 18:51
RE: Banding from ProRes - by shibbycribby - 30.05.2020, 11:25
RE: Banding from ProRes - by Selur - 30.05.2020, 12:11
RE: Banding from ProRes - by shibbycribby - 30.05.2020, 14:36
RE: Banding from ProRes - by Selur - 30.05.2020, 15:14
RE: Banding from ProRes - by shibbycribby - 08.06.2020, 16:40
RE: Banding from ProRes - by Selur - 08.06.2020, 17:24

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