Opened 2 months ago

Last modified 2 months ago

#6265 new defect

cineform decoder output invalid alpha

Reported by: mvignali Owned by:
Priority: normal Component: avcodec
Version: git-master Keywords: cfhd alpha
Cc: Blocked By:
Blocking: Reproduced by developer: no
Analyzed by developer: no

Description

Summary of the bug:

Cineform RGBA 12b, doesn't have right alpha decoding

How to reproduce:
./ffmpeg -i /Users/martinvignali/Documents/ELEMENTS_DEV/CINEFORM/cineform_rgba_12b.mov -loglevel debug cineform_rgba_12b.png

Attachments (3)

cineform_rgba_12b.mov (1.4 MB) - added by mvignali 2 months ago.
cineform rgba 12b from media encoder
cineform_rgba_12b_from_ffmpeg_quarter.png (500.4 KB) - added by mvignali 2 months ago.
cineform_rgba_12b_export_from_ae_quarter.png (495.2 KB) - added by mvignali 2 months ago.

Change History (5)

Changed 2 months ago by mvignali

cineform rgba 12b from media encoder

comment:1 Changed 2 months ago by cehoyos

  • Keywords cfhd added; cineform removed

How is the output supposed to look like?

Changed 2 months ago by mvignali

Changed 2 months ago by mvignali

comment:2 Changed 2 months ago by mvignali

I add two png (quarter resolution), to show the difference of output between ffmpeg and After Effects.

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