[FFmpeg-devel] [PATCH v5] fftools/ffplay: add hwaccel decoding support

[Zhao Zhili]

On 2023/10/31 01:05, Lynne wrote:
> Oct 30, 2023, 17:05 by quinkblack at foxmail.com:
>
>> From: Zhao Zhili <zhilizhao at tencent.com>
>>
>> Add vulkan renderer via libplacebo.
>>
>> Simple usage:
>> $ ffplay -hwaccel vulkan foo.mp4
>>
>> Use cuda to vulkan map:
>> $ ffplay -hwaccel cuda foo.mp4
>>
>> Create vulkan instance by libplacebo, and enable debug:
>> $ ffplay -hwaccel vulkan \
>>   -vulkan_params create_by_placebo=1:debug=1 foo.mp4
>> ---
>> v5:
>>   1. add vulkan_params option.
>>   2. vulkan instance can be create by hwcontext or libplacebo.
>>
>> v4: add more optional extensions
>> v3: shared vulkan instance between libplacebo and hwcontext
>>
> You did it the other way. Instead of creating a device through libplacebo,
> just create a Vulkan device via the hwcontext, and use it for libplacebo.

I have done both:

1. create vulkan device by hwcontext and import to placebo

2. create vulkan device by placebo and pass to hwcontext

It's controlled by -vulkan_params create_by_placebo=1(0). Default is the 
first behavior.

Did I miss something?

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