Log Message:
Changes 1.4:
* encoder: emit an Active Parameter Sets SEI in stream headers if interlaced
* encoder: give more warnings when features are automatically disabled
* api: allow --psy-rdoq values up to 50; it can be beneficial for film grain
* docs: improve --pmode documentation, the feature is fully functional
* analysis: do not allow top-skip and depth earlyout in --pmode with --rd 5/6
* asm: correct wrong index name
* docs: update preset table and various command line options
* fix rd=0,1
* analysis: fix for --rd 0, do not assume a CU is only inter or intra
* analysis: rect cost compare typo fix for pmode
* search: ensure RDOQ entropy state is always initialized for chroma intra