lavd/opengl_enc_shaders: fix gray* shader

Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>
lavd: add list devices API

Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>
Move all example programs to doc/examples

Also drop support for building examples in library directories.
doc: Fix project name typo
avcodec/h264: more completely check the loop filter parameters

Fixes out of array read
Fixes: caa65cc01655505705129b677189f036-signal_sigsegv_fdcc43_2681_cov_3043376737_PPH422I5_Panasonic_A.264
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit 'b339182eba34f28de5f1a477cdd2c84f1ef35d90'

* commit 'b339182eba34f28de5f1a477cdd2c84f1ef35d90':
  Move all example programs to doc/examples

Conflicts:
	configure
	doc/Makefile
	doc/doxy-wrapper.sh
	doc/examples/avcodec.c
	doc/examples/decoding_encoding.c
	doc/examples/metadata.c
	doc/examples/muxing.c
	doc/examples/transcode_aac.c
	libavcodec/Makefile
	libavcodec/api-example.c
	libavformat/Makefile

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge remote-tracking branch 'qatar/master'

* qatar/master:
  doc: Fix project name typo

Merge for metadata only

Merged-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/vp8dsp: zeroise input coefficient array after use in vp7 idct functions

Signed-off-by: Peter Ross <pross@xvid.org>
Reviewed-by: "Ronald S. Bultje" <rsbultje@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
MAINTAINERS: add myself as vf_dejudder.c maintainer

Signed-off-by: Nicholas Robbins <nickrobbins@yahoo.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Merge remote-tracking branch 'lukaszmluki/master'

* lukaszmluki/master:
  lavd: add list devices API
  lavd/opengl_enc_shaders: fix gray* shader

Conflicts:
	doc/APIchanges

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