[PATCH v2] ffmpeg: fix build when DISTRO_FEATURES doesn't contain x11

[Jonathan Liu <net147@gmail.com>]

If avdevice is enabled, libxv is used if it is detected by configure
for the XV outdev. However, we can't depend on libxv for avdevice when
DISTRO_FEATURES doesn't contain x11 as this will result in an error.

Fix this by adding a libxv dependency only when the avdevice
PACKAGECONFIG is enabled and DISTRO_FEATURES contains x11. XV outdev
is only one of many that are supported by avdevice so it is still
useful to enable avdevice even if libxv is not available.

Signed-off-by: Jonathan Liu <net147@gmail.com>
---
 meta/recipes-multimedia/ffmpeg/ffmpeg_3.0.bb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg_3.0.bb b/meta/recipes-multimedia/ffmpeg/ffmpeg_3.0.bb
index 3f0cbf8..e7b20fa 100644
--- a/meta/recipes-multimedia/ffmpeg/ffmpeg_3.0.bb
+++ b/meta/recipes-multimedia/ffmpeg/ffmpeg_3.0.bb
@@ -26,11 +26,12 @@ ARM_INSTRUCTION_SET = "arm"
 PROVIDES = "libav libpostproc"
 
 DEPENDS = "alsa-lib zlib libogg yasm-native"
+DEPENDS += "${@bb.utils.contains('PACKAGECONFIG', 'avdevice', bb.utils.contains('DISTRO_FEATURES', 'x11', 'libxv', '', d), '', d)}"
 
 inherit autotools pkgconfig
 
 PACKAGECONFIG ??= "avdevice avfilter gpl theora x264 ${@bb.utils.contains('DISTRO_FEATURES', 'x11', 'x11', '', d)}"
-PACKAGECONFIG[avdevice] = "--enable-avdevice,--disable-avdevice, libxv"
+PACKAGECONFIG[avdevice] = "--enable-avdevice,--disable-avdevice"
 PACKAGECONFIG[avfilter] = "--enable-avfilter,--disable-avfilter"
 PACKAGECONFIG[faac] = "--enable-libfaac,--disable-libfaac,faac"
 PACKAGECONFIG[gpl] = "--enable-gpl,--disable-gpl"
-- 
2.7.1