[FFmpeg-devel] [PATCH 0/2] VDA decoder for ffmpeg

Sebastien Zwickert dilaroga at gmail.com
Wed Aug 22 15:41:15 CEST 2012

On Aug 22, 2012, at 8:00 AM, Gwenole Beauchesne wrote:
> Hi,
> 2012/8/22 Sebastien Zwickert <dilaroga at gmail.com>:
>> 2vuy format is the "native" decoder format it won't do an internal color
>> space conversion.
> Is Apple using the fixed-function HW or an OpenCL-based
> implementation? I am wondering because most of the HW decoders I know
> of (MFX for Intel, UVD2 for AMD, not sure for NVIDIA) can only decode
> to NV12 for H.264... So, other formats would be GPU converted.
> Xidorn's data shows something else though.

Other formats are CPU converted by VideoToolbox as I saw when
I ran VDA in a time profiler tool.

Best regards,

Sebastien Zwickert

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