build: check for libva-2.0

Check for libva-2.0 since libva's developers decided to increase the
library's version number.

https://bugzilla.gnome.org/show_bug.cgi?id=784398

3 files changed, 43 insertions, 10 deletions

diff --git a/configure.ac b/configure.ac
index 230f3522..ce1e0234 100644
--- a/configure.ac
+++ b/configure.ac
@@ -120,6 +120,11 @@ AG_GST_SET_PACKAGE_RELEASE_DATETIME_WITH_NANO([$PACKAGE_VERSION_NANO],
   ["${srcdir}/gstreamer-vaapi.doap"],
   [$PACKAGE_VERSION_MAJOR.$PACKAGE_VERSION_MINOR.$PACKAGE_VERSION_MICRO])
 
+AC_ARG_WITH([libva],
+  [AS_HELP_STRING([--with-libva[[=VERSION]]],
+    [which version of libva use (1 or 2) @<:@default=check@:>@])],
+  [], [with_libva="check"])
+
 AC_ARG_ENABLE([encoders],
   AS_HELP_STRING([--enable-encoders],
     [enable video encoders @<:@default=yes@:>@]),
@@ -505,15 +510,23 @@ dnl -- VA-API                                                                --
 dnl ---------------------------------------------------------------------------
 
 dnl Core API
-PKG_CHECK_MODULES([LIBVA], [libva >= $VAAPI_REQ libva != 0.99.0])
-VA_VERSION_STR=`$PKG_CONFIG --modversion libva`
-VA_DRIVERS_PATH=`$PKG_CONFIG --variable=driverdir libva`
+LIBVA_VERSION=
+AS_CASE([$with_libva],
+  [2], [PKG_CHECK_MODULES([LIBVA], [libva-2.0 >= 1.0.0],
+          [LIBVA_VERSION="-2.0"])],
+  [1], [PKG_CHECK_MODULES([LIBVA], [libva >= $VAAPI_REQ libva != 0.99.0])],
+  [PKG_CHECK_MODULES([LIBVA], [libva-2.0 >= 1.0.0],
+          [LIBVA_VERSION="-2.0"],
+          [PKG_CHECK_MODULES([LIBVA], [libva >= $VAAPI_REQ libva != 0.99.0])])])
+
+VA_VERSION_STR=`$PKG_CONFIG --modversion libva$LIBVA_VERSION`
+VA_DRIVERS_PATH=`$PKG_CONFIG --variable=driverdir libva$LIBVA_VERSION`
 AC_DEFINE_UNQUOTED([VA_DRIVERS_PATH], ["$VA_DRIVERS_PATH"],
   [VA drivers path])
 
 dnl VA/DRM API
 if test $USE_DRM -eq 1; then
-  PKG_CHECK_MODULES([LIBVA_DRM], [libva-drm >= $VAAPI_DRM_REQ],
+  PKG_CHECK_MODULES([LIBVA_DRM], [libva-drm$LIBVA_VERSION >= $VAAPI_DRM_REQ],
     [
       saved_CPPFLAGS="$CPPFLAGS"
       CPPFLAGS="$CPPFLAGS $LIBVA_DRM_CFLAGS"
@@ -524,7 +537,7 @@ fi
 
 dnl VA/X11 API
 if test $USE_X11 -eq 1; then
-  PKG_CHECK_MODULES(LIBVA_X11, [libva-x11 >= $VAAPI_X11_REQ],
+  PKG_CHECK_MODULES(LIBVA_X11, [libva-x11$LIBVA_VERSION >= $VAAPI_X11_REQ],
     [], [USE_X11=0])
 fi
 
@@ -884,7 +897,7 @@ fi
 
 dnl VA/Wayland API
 if test $USE_WAYLAND -eq 1; then
-  PKG_CHECK_MODULES([LIBVA_WAYLAND], [libva-wayland >= $VAAPI_WLD_REQ],
+  PKG_CHECK_MODULES([LIBVA_WAYLAND], [libva-wayland$LIBVA_VERSION >= $VAAPI_WLD_REQ],
     [], [USE_WAYLAND=0])
 fi
 
diff --git a/meson.build b/meson.build
index 10d2af0c..8e39584a 100644
--- a/meson.build
+++ b/meson.build
@@ -38,11 +38,30 @@ gstcodecparsers_dep = dependency('gstreamer-codecparsers-1.0', version : gst_req
 gstgl_dep = dependency('gstreamer-gl-1.0', version : gst_req,
     fallback : ['gst-plugins-bad', 'gstgl_dep'], required: false)
 gmodule_dep = dependency('gmodule-2.0', required: false)
-libva_dep = dependency('libva', version: libva_req)
 
-libva_drm_dep = dependency('libva-drm', version: '>= 0.33.0', required: false)
-libva_wayland_dep = dependency('libva-wayland', version: '>= 0.33.0', required: false)
-libva_x11_dep = dependency('libva-x11', version: '>= 0.31.0', required: false)
+libva_version = ''
+if get_option('with_libva') == 'auto'
+  libva_dep = dependency('libva-2.0', required : false)
+  if not libva_dep.found()
+    libva_dep = dependency('libva', version: libva_req)
+  else
+    libva_version = '-2.0'
+  endif
+else
+  if get_option('with_libva') == '2'
+    libva_dep = dependency('libva-2.0')
+    libva_version = '-2.0'
+  else
+    libva_dep = dependency('libva', version: libva_req)
+  endif
+endif
+
+libva_drm_dep = dependency('libva-drm' + libva_version, version: '>= 0.33.0',
+    required: false)
+libva_wayland_dep = dependency('libva-wayland' + libva_version,
+    version: '>= 0.33.0', required: false)
+libva_x11_dep = dependency('libva-x11' + libva_version, version: '>= 0.31.0',
+    required: false)
 libdrm_dep = dependency('libdrm', required: false)
 libudev_dep = dependency('libudev', required: false)
 egl_dep = dependency('egl', required: false)
diff --git a/meson_options.txt b/meson_options.txt
index 018f8bc3..b411067c 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -1,3 +1,4 @@
+option('with_libva', type : 'combo', choices : ['1', '2', 'auto'], value : 'auto')
 option('with_encoders', type : 'combo', choices : ['yes', 'no', 'auto'], value : 'auto')
 option('with_drm', type : 'combo', choices : ['yes', 'no', 'auto'], value : 'auto')
 option('with_x11', type : 'combo', choices : ['yes', 'no', 'auto'], value : 'auto')