input classes
forgot to remove undefined function declarations in decoder
Merge branch 'master' into input
add supported input protocols api

TODO:
add to QtAV namespace. also for extensions, mime types codecs etc. but
ffmpeg result maybe wrong.
implements QIODevice as input
fix wrong codec long name
input: add factory
input: use AVInput in AVPlayer and AVDemuxer
Merge branch 'input'
remove QAVIOContext
test: add play from qrc
only resolve libass symbols used in QtAV. update capi
do not load subtitle if not enabled
hwa: va-api(other ff hwa?) works with old ffmpeg
Merge remote-tracking branch 'upstream/master'
fix local file load fail on win. issue 338
Merge remote-tracking branch 'upstream/master'