move thread_context initialization into constructor
properly initialize currentQPY without relying on old value persisting in the thread_context
do not query the previous CTB's QPY in the first slice of a picture
move run_postprocessing_filters and SEI out of put_picture_to_output_queue
use local thread context
put back in old parallel WPP decoding
put back in old tiles parallelization code
remove old NAL decoding code
save WPP cabac context outside thread context
add missing return values
add unhandled case in switch statement
removed obsolet thread-context-id
pass around thread_context in thread_task directly and not its ID
remove obsolet function
simple refactoring to reduce code size
move thread_context into slice_units
free image_units on decoder reset
fix image_unit memory handling
make de265_progress_lock a proper class
remove obsolet functions