====== ffmpeg - Troubleshooting - Driver does not support some wanted packed headers (wanted 0xd, found 0x1) ======

===== The error =====

<code bash>
ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -hwaccel_output_format vaapi -i a.mp4 -c:v hevc_vaapi -map 0:v -f mp4 out.mp4
</code>

returns:

<code bash>
Driver does not support some wanted packed headers (wanted 0xd, found 0x1).
</code>

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===== Cause =====


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===== Solution =====