VP9_MAX_FRAMES_IN_SUPERFRAME  176 libavcodec/cbs_vp9.h     uint32_t frame_sizes[VP9_MAX_FRAMES_IN_SUPERFRAME];
VP9_MAX_FRAMES_IN_SUPERFRAME  180 libavcodec/cbs_vp9.h     VP9RawFrame frames[VP9_MAX_FRAMES_IN_SUPERFRAME];