avfilter/af_compand: some more cosmetics to decrease difference with qatar

Signed-off-by: Paul B Mahol <onemda@gmail.com>
avfilter: remove superflous lines

Signed-off-by: Paul B Mahol <onemda@gmail.com>
avformat/sdr2: h264 stream needs parsing

Signed-off-by: Paul B Mahol <onemda@gmail.com>
avcodec/parser: put lost comments back

Found-by: ubitux
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
configure: use pkg-config to detect libbluray

The current configure fails when static libbluray is compiled with libxml2
support.

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>