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Date: Thu, 19 Oct 2023 05:31:46 +0200 (CEST)
From: Lynne <dev@lynne.ee>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
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Subject: Re: [FFmpeg-devel] [PATCH v2 2/2] fftools/ffplay: add hwaccel
 decoding support
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Oct 18, 2023, 18:55 by quinkblack@foxmail.com:

> From: Zhao Zhili <zhilizhao@tencent.com>
>
> ---
>  fftools/ffplay.c          |  30 ++++++++++
>  fftools/ffplay_renderer.c | 117 ++++++++++++++++++++++++++++++++++++++
>  2 files changed, 147 insertions(+)
>

This patch doesn't look correct, libplacebo and lavc have to
share the same Vulkan device.
Either create a hwcontext vulkan device and import it into libplacebo,
which you would then use for decoding, or use libplacebo's context and
initialize a lavu hwcontext from it.
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