avstring-test: Mark pointer passed to av_free() as non-const

libavutil/avstring.c:278:9: warning: passing argument 1 of ‘av_free’ discards ‘const’ qualifier from pointer target type
h263: K&R formatting cosmetics

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Signed-off-by: Diego Biurrun <diego@biurrun.de>
golomb: K&R formatting cosmetics

Signed-off-by: Diego Biurrun <diego@biurrun.de>
avfilter: x86: Port gradfun filter optimizations to yasm

Signed-off-by: Diego Biurrun <diego@biurrun.de>
golomb: reduce scope of a few variables

Signed-off-by: Diego Biurrun <diego@biurrun.de>
wip: extended logging
avplay: Support selecting codecs

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
lavc: Add private API to manipulate AVPacketList
lavf: use ff_packet_list API
lavc: introduce CODEC_CAP_PKT_TS

Codecs with internal parallelism need to set the pkt_pts/pkt_dts
by themselves.
wip: qsv decoders

Originally written by Luca Barbato <lu_zero@gentoo.org>.
Further contributions by Yukinori Yamazoe <drocon11@gmail.com>.
wip: qsv: Support coded reset

Untested