add reading command line option to support new API
reformat
Merge remote-tracking branch 'upstream/master' into read_para
backup the ongoing work
Merge branch 'master' of https://github.com/cisco/openh264 into read_para
Merge branch 'read_para' of https://github.com/sijchen/openh264 into read_para
back up
add new para reading to get accord with the new API design
add default setting
remove build error on mac
reformat
remove unused options
remove unused code