[OE-core] [PATCH 08/22] gstreamer1.0-plugins-bad: Fix missing library with bcm egl

[Khem Raj]

userland graphics driver provided libegl for rpi depends upon
symbols from vchostif library, therefore add it to linker cmdline

helps with loadng gst-gl plugins on rpi

Signed-off-by: Khem Raj <raj.khem at gmail.com>
---
 .../link-with-libvchostif.patch                    | 35 ++++++++++++++++++++++
 .../gstreamer/gstreamer1.0-plugins-bad_1.10.4.bb   |  1 +
 2 files changed, 36 insertions(+)
 create mode 100644 meta/recipes-multimedia/gstreamer/gstreamer1.0-plugins-bad/link-with-libvchostif.patch

diff --git a/meta/recipes-multimedia/gstreamer/gstreamer1.0-plugins-bad/link-with-libvchostif.patch b/meta/recipes-multimedia/gstreamer/gstreamer1.0-plugins-bad/link-with-libvchostif.patch
new file mode 100644
index 0000000000..c382b17586
--- /dev/null
+++ b/meta/recipes-multimedia/gstreamer/gstreamer1.0-plugins-bad/link-with-libvchostif.patch
@@ -0,0 +1,35 @@
+Add -lvchostif to link when using -lEGL on rpi
+
+This is required because libEGL from userland uses sybols
+from this library.
+
+lib/libEGL.so.1.0.0                                                                                                                                                                                                                              121: 00000000     0 FUNC    GLOBAL DEFAULT  UND vc_dispmanx_element_add
+  1552: 00000000     0 FUNC    GLOBAL DEFAULT  UND vc_dispmanx_element_add
+
+These symbols are provided by libvchostif as seen below
+
+lib/libvchostif.so
+   252: 0000b161   192 FUNC    GLOBAL DEFAULT    9 vc_dispmanx_element_add
+   809: 0000b161   192 FUNC    GLOBAL DEFAULT    9 vc_dispmanx_element_add
+
+With this explicit link, plugins fail during runtime
+
+(gst-plugin-scanner:571): GStreamer-WARNING **: Failed to load plugin '/usr/lib/gstreamer-1.0/libgstomx.so': Error relocating /usr/lib/libgstgl-1.0.so.0: vc_dispmanx_element_add: symbol not found
+(gst-plugin-scanner:571): GStreamer-WARNING **: Failed to load plugin '/usr/lib/gstreamer-1.0/libgstopengl.so': Error relocating /usr/lib/libgstgl-1.0.so.0: vc_dispmanx_element_add: symbol not found
+
+Signed-off-by: Khem Raj <raj.khem at gmail.com>
+
+Upstream-Status: Pending
+Index: gst-plugins-bad-1.10.4/configure.ac
+===================================================================
+--- gst-plugins-bad-1.10.4.orig/configure.ac
++++ gst-plugins-bad-1.10.4/configure.ac
+@@ -785,7 +785,7 @@ case $host in
+                             HAVE_EGL=yes
+                             HAVE_GLES2=yes
+                             HAVE_EGL_RPI=yes
+-                            EGL_LIBS="-lbcm_host -lvcos -lvchiq_arm"
++                            EGL_LIBS="-lbcm_host -lvchostif -lvcos -lvchiq_arm"
+                             EGL_CFLAGS=""
+                             AC_DEFINE(USE_EGL_RPI, [1], [Use RPi platform])
+                           ])
diff --git a/meta/recipes-multimedia/gstreamer/gstreamer1.0-plugins-bad_1.10.4.bb b/meta/recipes-multimedia/gstreamer/gstreamer1.0-plugins-bad_1.10.4.bb
index 0bb4053e43..def03a9b81 100644
--- a/meta/recipes-multimedia/gstreamer/gstreamer1.0-plugins-bad_1.10.4.bb
+++ b/meta/recipes-multimedia/gstreamer/gstreamer1.0-plugins-bad_1.10.4.bb
@@ -18,6 +18,7 @@ SRC_URI = " \
     file://0001-smoothstreaming-implement-adaptivedemux-s-get_live_s.patch \
     file://0001-smoothstreaming-use-the-duration-from-the-list-of-fr.patch \
     file://0001-mssdemux-improved-live-playback-support.patch \
+    file://link-with-libvchostif.patch \
 "
 SRC_URI[md5sum] = "2757103e57a096a1a05b3ab85b8381af"
 SRC_URI[sha256sum] = "23ddae506b3a223b94869a0d3eea3e9a12e847f94d2d0e0b97102ce13ecd6966"
-- 
2.13.2