[FFmpeg-devel] [PATCH v7 3/8] libavutil/hwcontext_qsv: enabling d3d11va usage by default, add usage child_device_type argument

[Soft Works]

> -----Original Message-----
> From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of
> Artem Galin
> Sent: Tuesday, November 3, 2020 7:46 PM
> To: ffmpeg-devel at ffmpeg.org
> Cc: Artem Galin <artem.galin at intel.com>
> Subject: [FFmpeg-devel] [PATCH v7 3/8] libavutil/hwcontext_qsv: enabling
> d3d11va usage by default, add usage child_device_type argument
> 
> Makes selection of d3d11va device type by default and over DirectX 9, which
> might break users with older drivers/systems.
> DCH driver with Gen6th support should be still fine.
> 
> Decode, encode, transcode have been validated.
> 
> child_device_type option is responsible for d3d11va/dxva2 device selection
> 
> Usage examples:
> 
> DirectX 11
> -init_hw_device qsv:hw,child_device_type=d3d11va
> 
> DirectX 9 is still supported but requires explicit selection -init_hw_device
> qsv:hw,child_device_type=dxva2
> 

Hi Artem,

Could you please show a complete command line, demonstrating how to
use a D3D9/DXVA2 hardware context with your patch?

Something like qsv decoder, scale_qsv and qsv encoder...

Thanks,
softworkz