roqvideodec: fix a potential infinite loop in roqvideo_decode_frame().
When there is just 1 byte remanining in the buffer, nothing will be read
and the loop will continue forever. Check that there are at least 8
bytes, which are always read at the beginning.
CC:libav-stable@libav.org
(cherry picked from commit
3e2f200237af977b9253b0aff121eee27bcedb44)
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
(cherry picked from commit
747fbe0c212b81952bb27ec7b99fa709081e2d63)
Conflicts:
libavcodec/roqvideodec.c