[Libav-user] Access to motions vectors and macroblock in P_FRAME lib264

Carl Eugen Hoyos ceffmpeg at gmail.com
Mon Mar 11 12:07:58 EET 2019

2019-03-11 11:02 GMT+01:00, NDJORE BORIS <ndjoreboris at gmail.com>:

> [h264_vaapi @ 0x8712c0] A hardware frames reference
> is required to associate the encoding device.

This would indicate that you forgot to initialize the hardware
frames context before opening the vaapi encoder, see how
it is done when using the ffmpeg command line interface.

Carl Eugen

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