Backport of "libs: encoder: vp8,vp9: reset frame_counter when input frame's format changes" into 1.16
requested to merge tpm/gstreamer-vaapi:backport-mr-107-into-1.16-encoder_vp8_vp9_dynamic_res into 1.16
Backport of !107 (merged) "libs: encoder: vp8,vp9: reset frame_counter when input frame's format changes".
Commits:
- 1f5ad9c7 libs: encoder: vp8,vp9: reset frame_counter when input frame's format changes