Fix sound with recent FFmpeg by converting from av_audio_convert API to the swresample one
external SRT subtitles; smaller, customizable, subtitle buffer size; rudimentary SSA parsing
Merge pull request #104 from torarin/external_subtitles_plus_ssa

Subtitle improvements
Merge pull request #102 from twolife/master

Fix sound when build against FFmpeg 1.1
Fixed short option "-n" for allowing a parameter as "--aidx" do.
Merge pull request #108 from skgsergio/fix_short_aidx_option

Fixed short option "-n" which causes "Segmentation Fault"
Add command line option to set the video output window
Fix typo when rejecting invalid video destination window
Update README.md
Merge pull request #112 from torarin/patch-1

Inform of GCC 4.7 requirement in README
Handle resolution changes during video stream.

When the resolution changes, GPU sends a port settings changed message. Host has to acknowledge it by disabling and enabling the affected ports.
Default to hdmi audio if hdmi audio support is detected. Can be overridden with -o local
Allow = key to also increase volume
Remove log messages for timeout failure when timeout=0
Add command line option for setting initial volume
Improve --info output. Thanks to hinxx for patch.
Avoid segfault when playing from http url
Also support ESC as exit key