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Old 6th April 2021, 07:10   #1  |  Link
Hotte
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Join Date: Oct 2014
Posts: 209
VDub2 Canopus HQX 16-bit negotiation issue

Hi,
I've recently started to pass HBD-Footage (i.e. 10 bit) through AVS+ with VDub2 de- and recompressing with the Canopus HQX codec. Everything worked fine with 8-bit. The clip is export from Edius-X NLE using the Canopus (Grassvalley) HQX Codec which is capable of up to 8K, 10bit, 4:2:2 all-intra in AVI-Containers.

They arrive as YUV422P16 in AVS+ (due to info() and ffmpeg -i) loaded with FFmpegSource2(FILNAM, atrack=-1), further processing works fine. Results appear correctly in VDub2. The trouble starts with "Save as AVI" with constant "Video format negoation error". Output codec again is HQX, mode ist Fast Recompress.

Menu > Video > Decode Format... shows P216 as current format. Whatever I select as at least 10bit-output format: Error persists. Compression menu shows: "Valid pixel formats RGB RGBA YUY2" although the codec is listed under "Similar to Source: P216".

Any ideas ?

Last edited by Hotte; 7th April 2021 at 02:43.
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