... so that waitpid() works even if our parent process ignores SIGCHLD
(SIG_IGN is preserved across exec*()).
(cherry picked from commit 94763831fb59701a30f7e55c8ce9258ddbeeff18)

This close #2383
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
(cherry picked from commit f5b8f4a13fe40151abd54a009049e5d9a6e6780c)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

This was broken after the extension merge.
Close #3665
(cherry picked from commit 08737f85e0e34e8b75da567054389cc0521327e6)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Sorry for last commit which was a little retarded
(cherry picked from commit 865a279f05af298d19e23aa75fafd012b0106e6f)
Signed-off-by: Pierre Ynard <linkfanel@yahoo.fr>

This should help watching mp4-videos (&fmt=18 and 22 or something like that)
from youtube. ffmpeg for fallback for windows. Not idea about OS X side.
(cherry picked from commit fc5f04d8f6c4a79534d4530e4e15ab9a88deaeb5)
Signed-off-by: Pierre Ynard <linkfanel@yahoo.fr>

(cherry picked from commit 7b93afedd622c26a7210859da4d078954d932f61)
Signed-off-by: Ilkka Ollakka <ileoo@iki.fi>

(cherry picked from commit ae3528d43c44addfdb85afd6e1fa0bc9784af037)
Signed-off-by: Ilkka Ollakka <ileoo@iki.fi>

Seems that maxrate needs somekinda exponential function from bitrate (comparing
ffmpeg's libvpx presets) and cbr isn't something you likely will get out of this.
(cherry picked from commit d3c422e310bfaed687554e2553357b89b3b2a82e)
Signed-off-by: Ilkka Ollakka <ileoo@iki.fi>

(cherry picked from commit 86263dcda269b17eff6b8a985f4865f176f44714)
Signed-off-by: Ilkka Ollakka <ileoo@iki.fi>

(cherry picked from commit 3862bf72d11553807eae0d9933b3bde186d62ab6)
Signed-off-by: Ilkka Ollakka <ileoo@iki.fi>

(cherry picked from commit c6bcc788be1ca4a91c9637a7b136d305f6d3ee08)
Signed-off-by: Pierre Ynard <linkfanel@yahoo.fr>

5cc3984f92754e1fd3643039354f8f00c324a90c was too strict, and for baseline it
should be only cosmetic change.

libx264 changed default to normal in that build too, also change logic
littebit so b-pyramid selection works better.

Signed-off-by: Christophe Mutricy <xtophe@videolan.org>

Reported by Lotesdelere

reported by Lotesdelere
(cherry picked from commit 018de320fa70078984c2744b4f994467d8a7c4dd)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

(cherry picked from commit 025e08ce9c5e67bd17ca1aa84b6a9a56e4e31682)

(cherry picked from commit 36c1cbc3f2e228ef120e7413cc2613d3f8aded5c)

Conflicts:

	configure.ac

Pointed-out-by: Sébastien Escudier
(cherry picked from commit f8e7eaf7ec85cf694ead92564a4797b5e01e4033)

(cherry picked from commit 17fa368e6984d7636286f787ebf0de6d9481a6a9)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

(cherry picked from commit ab5f8e9460b96d8b16e8a2020c41f5f37d9df789)

(cherry picked from commit 0b01c67ef5204d352701f15617b69859f4dcfaa0)
Signed-off-by: Pierre Ynard <linkfanel@yahoo.fr>

(cherry picked from commit 93a85bdbb0ef55cbd491c4e9e6a4a4deb83c85da)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

(cherry picked from commit 4f36a3e7b0e62d3dfed0b87eccf925e3017f1998)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

(cherry picked from commit 37bef1d6d63314e01af86fe2080d188719f61152)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

That fixes the y4m with unknown chroma that avformat can read (Close #3656)
(cherry picked from commit 2b5aff224a537fedf35e63ba7a637cd9ff490e71)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
(cherry picked from commit adeaefc878674b3f79b935cb406d8fea9da9de54)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

legacy OS X intf: fixed a rare case in which the vout window could loose its window decoration on recreation after a performed close

(cherry picked from commit 99bf5aff5c87576eda3d9d2587242e31ea672a1c)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Use only pkg-config.
Fix sdl_image detection
(cherry picked from commit 56a2cf345270c9c9c43dc13e3b1183d0a090567a)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

But you need careful, if you compile without X and then run with an X-enabled PulseAudio, boom.

Closes: #3650
(cherry picked from commit d00684982028100b9caee5b9fe03f007b10f8059)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

(cherry picked from commit de66e3e84fe7953c41e0a634b16b9c1e9e21f0cc)
Signed-off-by: Christophe Mutricy <xtophe@videolan.org>

Signed-off-by: Christophe Mutricy <xtophe@videolan.org>

Signed-off-by: Christophe Mutricy <xtophe@videolan.org>

Signed-off-by: Christophe Mutricy <xtophe@videolan.org>

Signed-off-by: Laurent Aimar <fenrir@videolan.org>

Manual backport of [9b88eef666b12b7f626c9bfa68db66b66da9103d]