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From 34a104c3cc36d9a4297a51d7b1cf7195c8c28a1d Mon Sep 17 00:00:00 2001
From: Thomas Deutschmann <whissi@gentoo.org>
Date: Mon, 6 Apr 2020 19:36:02 +0200
Subject: [PATCH 06/34] bmo#1559213: Support system av1

Allow building against system-wide av1.

Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1559213
Signed-off-by: Thomas Deutschmann <whissi@gentoo.org>
---
 config/external/moz.build      |  5 +++--
 config/system-headers.mozbuild |  8 ++++++++
 dom/media/platforms/moz.build  |  5 +++++
 toolkit/moz.configure          | 20 ++++++++++++++++++--
 4 files changed, 34 insertions(+), 4 deletions(-)

diff --git a/config/external/moz.build b/config/external/moz.build
index 6a2ed9e4a2..697bb9d0bf 100644
--- a/config/external/moz.build
+++ b/config/external/moz.build
@@ -46,8 +46,9 @@ if not CONFIG["MOZ_SYSTEM_LIBVPX"]:
     external_dirs += ["media/libvpx"]
 
 if CONFIG["MOZ_AV1"]:
-    external_dirs += ["media/libaom"]
-    external_dirs += ["media/libdav1d"]
+    if not CONFIG["MOZ_SYSTEM_AV1"]:
+        external_dirs += ["media/libaom"]
+        external_dirs += ["media/libdav1d"]
 
 if not CONFIG["MOZ_SYSTEM_PNG"]:
     external_dirs += ["media/libpng"]
diff --git a/config/system-headers.mozbuild b/config/system-headers.mozbuild
index 4e3aef0f24..14bd336df4 100644
--- a/config/system-headers.mozbuild
+++ b/config/system-headers.mozbuild
@@ -1300,6 +1300,14 @@ if CONFIG['MOZ_ENABLE_LIBPROXY']:
         'proxy.h',
     ]
 
+if CONFIG['MOZ_SYSTEM_AV1']:
+    system_headers += [
+        'aom/aom_decoder.h',
+        'aom/aomdx.h',
+        'aom/aom_image.h',
+        'dav1d/dav1d.h',
+    ]
+
 if CONFIG['MOZ_SYSTEM_LIBVPX']:
     system_headers += [
         'vpx_mem/vpx_mem.h',
diff --git a/dom/media/platforms/moz.build b/dom/media/platforms/moz.build
index 16ca8a9cbc..b349dcbe6d 100644
--- a/dom/media/platforms/moz.build
+++ b/dom/media/platforms/moz.build
@@ -78,6 +78,11 @@ if CONFIG["MOZ_AV1"]:
         "agnostic/AOMDecoder.cpp",
         "agnostic/DAV1DDecoder.cpp",
     ]
+    if CONFIG["MOZ_SYSTEM_AV1"]:
+        CXXFLAGS += CONFIG["MOZ_SYSTEM_LIBAOM_CFLAGS"]
+        OS_LIBS += CONFIG["MOZ_SYSTEM_LIBAOM_LIBS"]
+        CXXFLAGS += CONFIG["MOZ_SYSTEM_LIBDAV1D_CFLAGS"]
+        OS_LIBS += CONFIG["MOZ_SYSTEM_LIBDAV1D_LIBS"]
 
 if CONFIG["MOZ_OMX"]:
     EXPORTS += [
diff --git a/toolkit/moz.configure b/toolkit/moz.configure
index d98e748bb9..1e704a4765 100644
--- a/toolkit/moz.configure
+++ b/toolkit/moz.configure
@@ -544,14 +544,29 @@ def av1(value):
     if value:
         return True
 
+option("--with-system-av1", help="Use system av1 (located with pkg-config)")
 
-@depends(target, when=av1 & compile_environment)
+system_libaom_info = pkg_check_modules('MOZ_SYSTEM_LIBAOM', 'aom >= 1.0.0',
+                                       when='--with-system-av1')
+
+system_libdav1d_info = pkg_check_modules('MOZ_SYSTEM_LIBDAV1D', 'dav1d >= 0.1.1',
+                                         when='--with-system-av1')
+
+@depends(system_libaom_info, system_libdav1d_info)
+def system_av1(system_libaom_info, system_libdav1d_info):
+    has_av1_libs = False
+    if system_libaom_info and system_libdav1d_info:
+        has_av1_libs = True
+    return has_av1_libs
+
+
+@depends(target, when=av1 & depends(system_av1)(lambda v: not v) & compile_environment)
 def dav1d_asm(target):
     if target.cpu in ("aarch64", "x86", "x86_64"):
         return True
 
 
-@depends(target, when=av1 & compile_environment)
+@depends(target, when=av1 & depends(system_av1)(lambda v: not v) & compile_environment)
 def dav1d_nasm(target):
     if target.cpu in ("x86", "x86_64"):
         return namespace(version="2.14", what="AV1")
@@ -561,6 +576,7 @@ set_config("MOZ_DAV1D_ASM", dav1d_asm)
 set_define("MOZ_DAV1D_ASM", dav1d_asm)
 set_config("MOZ_AV1", av1)
 set_define("MOZ_AV1", av1)
+set_config("MOZ_SYSTEM_AV1", depends_if(system_av1)(lambda _: True))
 
 # JXL Image Codec Support
 # ==============================================================
-- 
2.33.1