[Libav-user] Internal error: Could not register an input HW frame

Attila Kr├╝pl krupl.attila at gmail.com
Thu Oct 10 20:11:50 EEST 2019


i think you are trying to encode the sw frame instead of transfering the
data buffer to hw frame and then encoding the hw frame.

i believe the vaapi example works fine for the other hw encoders too
(nvenc, qsv, amf)

best regards


On Thu, 10 Oct 2019, 12:20 freefalcon, <freefalcon at foxmail.com> wrote:

> Hi,
> I am writing an h264 encoder, and the video frame data is from Nvidia GPU.
> If the video frame was transferred from GPU memory to system memory, the
> encoder worked fine.
> But I want to encode the HW frame directly to avoid performance loss. When
> I called *avcodec_send_frame*, I got an error :
> Error registering an input resource: resource register failed (23)
> Could not register an input HW frame
> The error was triggered by *nvEncRegisterResource *function.
> I'd like to know what I should do if I want to use HW frame directly,
> expecially on how to set AVHWFramesContext.
> Is there any example about this? Now, I just referred to vaapi_encode.c  (
> https://www.ffmpeg.org/doxygen/4.0/vaapi_encode_8c-example.html).
> Thanks for your help.
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