mpeg_audio: use a variable to avoid pointer dereference
mpeg_audio: assume block_GetBytes can fail
mpeg_audio packetizer: flush remaining data

vlc 1.mp3 --sout 2.mp3 && vlc 2.mp3 --sout 3.mp3
will now give identical 2.mp3 and 3.mp3

Refs: #3178
zvbi: default alignment to bottom
zvbi: set pf_decode_sub at the end
zvbi: set position to be absolute only for non-text subtitles and give reasonable stop time
zvbi: strip leading/end whitespaces from text subtitles
zvbi: initialize pointer
zvbi: mimic cc.c for using subtitles updater etc to avoid flickering in text subtitles
zvbi: set text format as default, as subtitles should look better and seems to work for me
zvbi: handle opaque in text mode also
zvbi: set default opaque to false as default is text mode now
Remove unused bindings directory
opus: update i_buffer when memmoving decoder output

Fixes #9343

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>
araw: add assertion to check for buffer overrun

Refs #9343

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>