[Libav-user] Encode with hardware example
fromseattle at gmail.com
Fri Nov 3 06:01:40 EET 2017
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>
>> 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.
>> Libav-user mailing list
>> Libav-user at ffmpeg.org
> Libav-user mailing list
> Libav-user at ffmpeg.org
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