[Libav-user] Encode with hardware example

[From Seattle]

So if you use h264_nvenc as codec, you don't have to worry about copying
to/from gpu memory? The encoding and decoding will be done on hardware?

On Thu, Nov 2, 2017 at 7:47 PM, Shu Wang <halfelf.ronin at gmail.com> wrote:

> I'm using nvenc to encode h264. If reading frame from host memory, it's
> nothing special from libx264.
>
> But there is another problem I'd like to ask help here.
> I don't know how to create a hw av_frame directly from device memory.
> For example, hw decoding usually output a hw av_frame, which usually
> following av_hwframe_transfer_data to copy it back. What if I want to
> encoding it in device memory directly?
>
>
>
> On Fri, Nov 3, 2017 at 7:33 AM, From Seattle <fromseattle at gmail.com>
> wrote:
>
>> Hi Everyone,
>>
>> Can anyone provide an example of encoding use hardware? In the examples
>> come along with ffmpeg, there is only hw_decode.cpp, I wish there is a
>> similar one like hw_encode.cpp.
>>
>> Really appreciated.
>>
>> Frank.
>>
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>>
>>
>
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