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<title>buildroot/package/ffmpeg/Config.in, branch 2016.08</title>
<subtitle>OpenPOWER buildroot sources</subtitle>
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<updated>2016-08-11T13:03:46+00:00</updated>
<entry>
<title>ffmpeg: disable for ARMv7-M</title>
<updated>2016-08-11T13:03:46+00:00</updated>
<author>
<name>Thomas Petazzoni</name>
<email>thomas.petazzoni@free-electrons.com</email>
</author>
<published>2016-08-10T21:29:02+00:00</published>
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<id>urn:sha1:9fb11701599177c5303675193b34fe5423787dbd</id>
<content type='text'>
In the ffmpeg code, libavutil/arm/asm.S makes some assumption about the
ARM architecture for which the code is built. Only ARMv4, ARMv5, ARMv6
and ARMv7-A is supported. Due to this, object files built out of
ARM-optimized assembly code have the wrong architecture information,
causing a failure at link time.

Adding ARMv7-M support would be possible, but it doesn't exist yet in
ffmpeg, and it's pretty unlikely that ffmpeg will ever be needed on an
ARMv7-M platform, so this commit takes the simple approach of disabling
ffmpeg for ARMv7-M.

Fixes:

  http://autobuild.buildroot.net/results/ca4c67b093afd6f14349fcdc87b02e0480172e8c/

Signed-off-by: Thomas Petazzoni &lt;thomas.petazzoni@free-electrons.com&gt;
</content>
</entry>
<entry>
<title>ffmpeg: disable for mips64r2 and mips64r6</title>
<updated>2016-05-26T19:18:52+00:00</updated>
<author>
<name>Vicente Olivert Riera</name>
<email>Vincent.Riera@imgtec.com</email>
</author>
<published>2016-05-26T15:54:20+00:00</published>
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<id>urn:sha1:bd8cbe16c4e3909da13528d72b2573efc8d355fd</id>
<content type='text'>
MIPS architecture detection is not accurate and is always detected as
mips64 even if we are using mips64r2 or mips64r6. Due to that, ffmpeg's
build system will pass the -mips64 flag which will conflict with the
-march option that our toolchain wrapper uses, and it will fail to build
showing errors like this one:

error: '-mips64' conflicts with the other architecture options, which
specify a mips64r2 processor

This problem has been already fixed upstream, but we would need to
backport 17 patches plus some changes in the ffmpeg.mk file. This is too
much, so better to just disable ffmpeg for mips64r2 and mips64r6 for the
upcoming Buildroot release.

This commit can be reverted in the next ffmpeg's version bump.

Fixes:

  http://autobuild.buildroot.net/results/7fd/7fd8187c0110cdcac622e667f4a81d2db84f11ef/

Signed-off-by: Vicente Olivert Riera &lt;Vincent.Riera@imgtec.com&gt;
Reviewed-by: Bernd Kuhls &lt;bernd.kuhls@t-online.de&gt;
Signed-off-by: Thomas Petazzoni &lt;thomas.petazzoni@free-electrons.com&gt;
</content>
</entry>
<entry>
<title>ffmpeg: add BR2_PACKAGE_FFMPEG_ARCH_SUPPORTS</title>
<updated>2016-05-26T19:18:35+00:00</updated>
<author>
<name>Vicente Olivert Riera</name>
<email>Vincent.Riera@imgtec.com</email>
</author>
<published>2016-05-26T15:54:19+00:00</published>
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<id>urn:sha1:e6e549b9e40d42dbb6a551ecaeb040c1e401f21a</id>
<content type='text'>
Signed-off-by: Vicente Olivert Riera &lt;Vincent.Riera@imgtec.com&gt;
Reviewed-by: Bernd Kuhls &lt;bernd.kuhls@t-online.de&gt;
Signed-off-by: Thomas Petazzoni &lt;thomas.petazzoni@free-electrons.com&gt;
</content>
</entry>
<entry>
<title>ffmpeg: mark as not available on nios2</title>
<updated>2015-11-11T14:55:07+00:00</updated>
<author>
<name>Thomas Petazzoni</name>
<email>thomas.petazzoni@free-electrons.com</email>
</author>
<published>2015-11-11T14:55:07+00:00</published>
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<id>urn:sha1:8b58ec016973bee87a4fc1cc99a32b206bdee136</id>
<content type='text'>
ffmpeg was already marked as not available for the NIOS2 Sourcery
toolchains, but it could still be built with the internal toolchain
backend or a custom external toolchain.

However, an inspection of the latest glibc source code indicates that
FE_INVALID, FE_OVERFLOW and FE_UNDERFLOW and indeed not available in
the nios2 variant of &lt;fenv.h&gt;.

Consequently, this patch makes ffmpeg not available on nios2, which
allows to simplify a bit the dependencies.

It propagates this dependency to:

 - minidlna (and at the same time makes sure the minidlna comment is
   not displayed on nios2, which wasn't properly taken into account
   until now)
 - mpd
 - opencv
 - opencv3
 - squeezelite
 - tovid

Even if it selects ffmpeg, Kodi does not need an update since Kodi is
only available on a limited number of architectures (which don't
include nios2, obviously). Other packages only make use of ffmpeg when
available.

Fixes:

  http://autobuild.buildroot.org/results/921/9212f5a6432c5e695ac0630695405cea05e28610/

Signed-off-by: Thomas Petazzoni &lt;thomas.petazzoni@free-electrons.com&gt;
</content>
</entry>
<entry>
<title>ffmpeg: fix dependencies</title>
<updated>2015-06-12T19:20:47+00:00</updated>
<author>
<name>Benoît Thébaudeau</name>
<email>benoit@wsystem.com</email>
</author>
<published>2015-06-12T10:53:03+00:00</published>
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<id>urn:sha1:316a0a43a5577c5977984654bb1de3b86260e056</id>
<content type='text'>
The ffmpeg binary does not require swscale, but ffplay needs it.

ffserver needs fork().

Signed-off-by: Benoît Thébaudeau &lt;benoit@wsystem.com&gt;
Signed-off-by: Thomas Petazzoni &lt;thomas.petazzoni@free-electrons.com&gt;
</content>
</entry>
<entry>
<title>packages: remove non-IPv6 dependencies and tweaks</title>
<updated>2015-04-22T21:06:35+00:00</updated>
<author>
<name>Gustavo Zacarias</name>
<email>gustavo@zacarias.com.ar</email>
</author>
<published>2015-04-19T12:40:00+00:00</published>
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<id>urn:sha1:79ce08bbdc33d1725f5d950736c9f624814b5a03</id>
<content type='text'>
Now that IPv6 is mandatory remove package dependencies and conditionals
for it.

Signed-off-by: Gustavo Zacarias &lt;gustavo@zacarias.com.ar&gt;
Signed-off-by: Thomas Petazzoni &lt;thomas.petazzoni@free-electrons.com&gt;
</content>
</entry>
<entry>
<title>packages: remove (non-)lfs dependencies and tweaks</title>
<updated>2015-04-01T20:47:22+00:00</updated>
<author>
<name>Gustavo Zacarias</name>
<email>gustavo@zacarias.com.ar</email>
</author>
<published>2015-03-30T21:07:30+00:00</published>
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<id>urn:sha1:f4716f79a0145fe3f2bf0d2cfe9ccbfede36fc01</id>
<content type='text'>
Now that largefile is mandatory removes package dependencies and
conditionals.

Signed-off-by: Gustavo Zacarias &lt;gustavo@zacarias.com.ar&gt;
Signed-off-by: Thomas Petazzoni &lt;thomas.petazzoni@free-electrons.com&gt;
</content>
</entry>
<entry>
<title>package/ffmpeg: fix nios2 fenv build failure</title>
<updated>2015-02-21T10:03:36+00:00</updated>
<author>
<name>Bernd Kuhls</name>
<email>bernd.kuhls@t-online.de</email>
</author>
<published>2015-02-20T19:10:52+00:00</published>
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<id>urn:sha1:5de0a5127824521bf08d4d1edb047723f7eecff7</id>
<content type='text'>
Fixes
http://autobuild.buildroot.net/results/216/216fbc33c4838b1414cb25f823fd1db5c92e33c6/
http://autobuild.buildroot.net/results/800/800fe1d79ef2e52b86a97feeba85b5c47aff8dcd/
http://autobuild.buildroot.net/results/8a6/8a6d24ecc6487fd20ba663f71996160124083a68/

Only the affected toolchains are disabled. When using branch next/ compilation
works with a buildroot-compiled toolchain using this defconfig:

BR2_nios2=y
BR2_PACKAGE_FFMPEG=y
BR2_PACKAGE_FFMPEG_GPL=y
BR2_PACKAGE_FFMPEG_NONFREE=y
BR2_PACKAGE_FFMPEG_FFPLAY=y
BR2_PACKAGE_FFMPEG_FFSERVER=y
BR2_PACKAGE_FFMPEG_FFPROBE=y
BR2_PACKAGE_FFMPEG_AVRESAMPLE=y
BR2_PACKAGE_FFMPEG_POSTPROC=y

Signed-off-by: Bernd Kuhls &lt;bernd.kuhls@t-online.de&gt;
Signed-off-by: Thomas Petazzoni &lt;thomas.petazzoni@free-electrons.com&gt;
</content>
</entry>
<entry>
<title>ffmpeg: Add ffprobe option</title>
<updated>2014-12-03T22:20:37+00:00</updated>
<author>
<name>Steve Kenton</name>
<email>skenton@ou.edu</email>
</author>
<published>2014-12-02T00:55:35+00:00</published>
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<id>urn:sha1:3b3b4f23317cf6b2bab4cc12a0bce9b2ceb27fdf</id>
<content type='text'>
Signed-off-by Stephen M. Kenton &lt;skenton@ou.edu&gt;
Signed-off-by: Peter Korsgaard &lt;peter@korsgaard.com&gt;
</content>
</entry>
<entry>
<title>package/ffmpeg: Enable support for libavresample</title>
<updated>2014-10-28T18:35:07+00:00</updated>
<author>
<name>Bernd Kuhls</name>
<email>bernd.kuhls@t-online.de</email>
</author>
<published>2014-10-14T18:28:24+00:00</published>
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<id>urn:sha1:f3765858c590d85738154edc697aa45f2d09f86e</id>
<content type='text'>
Signed-off-by: Bernd Kuhls &lt;bernd.kuhls@t-online.de&gt;
Signed-off-by: Thomas Petazzoni &lt;thomas.petazzoni@free-electrons.com&gt;
</content>
</entry>
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