fate: add pxr24 exr test

Signed-off-by: Paul B Mahol <onemda@gmail.com>
lavf/segment: simplify segment_count update

Now segment_count mark the segment_count of the current segment.
lavf/segment: log segments as they end to AV_LOG_VERBOSE

Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
lavf/segment: simplify logic and fix !=0 check on segment_end return value

A successfull return value can be > 0.
configure: Warn when inline asm is disabled for ICL

See Ticket3048

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>