Add build script and install.txt
add more external libraries
add more external libraries
add more external libraries
add more external libraries
add modified text
merge modifications
export ffurl_register_protocol api
merge more code from old version
Fix device capture
Fix subtitle support
fix video bitrate set to audio bitrate problem
syndicate with lastest audio filter branch 20120621
add flite support
add modplug support
add celt support
add vo-aacenc support
add vo-amrwbenc
add xavs
minor tweaks