Enable WebRTC demo application on x86 Android

Steps to build the demo application for x86 Android:
source build/android/envsetup.sh --target-arch=x86
gclient runhooks
ninja -C out/Debug
cd webrtc/video_engine/test/android
ndk-build APP_ABI=x86
ant debug

R=fischman@webrtc.org, leozwang@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/1478004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@4053 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/video_engine/test/android/android_video_demo.gypi

@@ -24,7 +24,8 @@
           'inputs' : [],
           'outputs': ['<(webrtc_root)'],
           'action': ['python',
-                     '<(webrtc_root)/video_engine/test/android/build_demo.py'],
+                     '<(webrtc_root)/video_engine/test/android/build_demo.py',
+                     '--arch', '<(target_arch)'],
         },
       ],
     },

webrtc/video_engine/test/android/build_demo.py

@@ -37,21 +37,34 @@ _ROOT_DIR = os.path.abspath(os.path.join(_CURRENT_DIR, '..', '..', '..', '..'))
 _ANDROID_ENV_SCRIPT = os.path.join(_ROOT_DIR, 'build', 'android', 'envsetup.sh')
 
 def main():
-  parser = optparse.OptionParser('usage: %prog -t <target>')
+  parser = optparse.OptionParser('usage: %prog -t <target> -a <arch>')
 
   parser.add_option('-t', '--target', default='debug',
                     help='Compile target (debug/release). Default: %default')
+  parser.add_option('-a', '--arch', type='choice', choices=['arm', 'ia32'],
+                    help='Compile arch (arm/ia32).')
   # Build and factory properties are currently unused but are required to avoid
   # errors when the script is executed by the buildbots.
   parser.add_option('--build-properties', help='Build properties (unused)')
   parser.add_option('--factory-properties', help='Factory properties (unused)')
   options, _args = parser.parse_args()
 
+  if options.arch.lower() == 'ia32':
+    target_arch = 'x86'
+    app_abi = 'x86'
+  elif options.arch.lower() == 'arm':
+    target_arch = 'arm'
+    app_abi = 'armeabi-v7a'
+  else:
+    print 'Unsupported target platform'
+    raise
+
   def RunInAndroidEnv(cmd):
-    return 'source %s && %s' % (_ANDROID_ENV_SCRIPT, cmd)
+    return 'source %s --target-arch=%s && %s' % (_ANDROID_ENV_SCRIPT,
+                                                 target_arch, cmd)
 
   print '@@@BUILD_STEP ndk-build@@@'
-  cmd = RunInAndroidEnv('ndk-build')
+  cmd = RunInAndroidEnv('ndk-build APP_ABI=%s' % app_abi)
   print cmd
   try:
     subprocess.check_call(cmd, cwd=_CURRENT_DIR, executable='/bin/bash',

webrtc/video_engine/test/android/jni/Android.mk

@@ -63,12 +63,6 @@ LOCAL_SRC_FILES := \
     $(MY_LIBS_PATH)/libaudio_processing.a
 include $(PREBUILT_STATIC_LIBRARY)
 
-include $(CLEAR_VARS)
-LOCAL_MODULE := libaudio_processing_neon
-LOCAL_SRC_FILES := \
-    $(MY_LIBS_PATH)/libaudio_processing_neon.a
-include $(PREBUILT_STATIC_LIBRARY)
-
 include $(CLEAR_VARS)
 LOCAL_MODULE := libPCM16B
 LOCAL_SRC_FILES := \
@@ -117,12 +111,6 @@ LOCAL_SRC_FILES := \
     $(MY_LIBS_PATH)/libiSACFix.a
 include $(PREBUILT_STATIC_LIBRARY)
 
-include $(CLEAR_VARS)
-LOCAL_MODULE := libisac_neon
-LOCAL_SRC_FILES := \
-    $(MY_LIBS_PATH)/libisac_neon.a
-include $(PREBUILT_STATIC_LIBRARY)
-
 # Remove the following file existense check when opus is always enabled.
 ifneq ($(wildcard jni/$(MY_LIBS_PATH)/libopus.a),)
 include $(CLEAR_VARS)
@@ -146,12 +134,6 @@ LOCAL_SRC_FILES := \
     $(MY_LIBS_PATH)/libcommon_audio.a
 include $(PREBUILT_STATIC_LIBRARY)
 
-include $(CLEAR_VARS)
-LOCAL_MODULE := libcommon_audio_neon
-LOCAL_SRC_FILES := \
-    $(MY_LIBS_PATH)/libcommon_audio_neon.a
-include $(PREBUILT_STATIC_LIBRARY)
-
 include $(CLEAR_VARS)
 LOCAL_MODULE := libbitrate_controller
 LOCAL_SRC_FILES := \
@@ -266,20 +248,97 @@ LOCAL_SRC_FILES := \
     $(MY_LIBS_PATH)/libvpx.a
 include $(PREBUILT_STATIC_LIBRARY)
 
-# TODO(leozwang): Upstream required Android changes to libvpx.gyp to enable
-# this optimization.
-#include $(CLEAR_VARS)
-#LOCAL_MODULE := libvpx_arm_neon
-#LOCAL_SRC_FILES := \
-#    $(MY_LIBS_PATH)/libvpx_arm_neon.a
-#include $(PREBUILT_STATIC_LIBRARY)
-
 include $(CLEAR_VARS)
 LOCAL_MODULE := libpaced_sender
 LOCAL_SRC_FILES := \
     $(MY_LIBS_PATH)/libpaced_sender.a
 include $(PREBUILT_STATIC_LIBRARY)
 
+ifeq ($(APP_ABI), x86)  # x86 Android specific
+  include $(CLEAR_VARS)
+  LOCAL_MODULE := libvideo_processing_sse2
+  LOCAL_SRC_FILES := \
+      $(MY_LIBS_PATH)/libvideo_processing_sse2.a
+  include $(PREBUILT_STATIC_LIBRARY)
+
+  include $(CLEAR_VARS)
+  LOCAL_MODULE := libaudio_processing_sse2
+  LOCAL_SRC_FILES := \
+      $(MY_LIBS_PATH)/libaudio_processing_sse2.a
+  include $(PREBUILT_STATIC_LIBRARY)
+
+  include $(CLEAR_VARS)
+  LOCAL_MODULE := libcommon_audio_sse2
+  LOCAL_SRC_FILES := \
+      $(MY_LIBS_PATH)/libcommon_audio_sse2.a
+  include $(PREBUILT_STATIC_LIBRARY)
+
+  include $(CLEAR_VARS)
+  LOCAL_MODULE := libvpx_intrinsics_mmx
+  LOCAL_SRC_FILES := \
+      $(MY_LIBS_PATH)/libvpx_intrinsics_mmx.a
+  include $(PREBUILT_STATIC_LIBRARY)
+
+  include $(CLEAR_VARS)
+  LOCAL_MODULE := libvpx_intrinsics_sse2
+  LOCAL_SRC_FILES := \
+      $(MY_LIBS_PATH)/libvpx_intrinsics_sse2.a
+  include $(PREBUILT_STATIC_LIBRARY)
+
+  include $(CLEAR_VARS)
+  LOCAL_MODULE := libvpx_intrinsics_ssse3
+  LOCAL_SRC_FILES := \
+      $(MY_LIBS_PATH)/libvpx_intrinsics_ssse3.a
+  include $(PREBUILT_STATIC_LIBRARY)
+
+  include $(CLEAR_VARS)
+  LOCAL_MODULE := libvpx_intrinsics_sse4_1
+  LOCAL_SRC_FILES := \
+      $(MY_LIBS_PATH)/libvpx_intrinsics_sse4_1.a
+  include $(PREBUILT_STATIC_LIBRARY)
+
+  LOCAL_PLATFORM_SPECIFIC_STATIC_LIBRARIES := \
+      libvideo_processing_sse2 \
+      libaudio_processing_sse2 \
+      libcommon_audio_sse2 \
+      libvpx_intrinsics_mmx \
+      libvpx_intrinsics_sse2 \
+      libvpx_intrinsics_ssse3 \
+      libvpx_intrinsics_sse4_1
+else                    # arm Android specific
+  include $(CLEAR_VARS)
+  LOCAL_MODULE := libaudio_processing_neon
+  LOCAL_SRC_FILES := \
+      $(MY_LIBS_PATH)/libaudio_processing_neon.a
+  include $(PREBUILT_STATIC_LIBRARY)
+
+  include $(CLEAR_VARS)
+  LOCAL_MODULE := libisac_neon
+  LOCAL_SRC_FILES := \
+      $(MY_LIBS_PATH)/libisac_neon.a
+  include $(PREBUILT_STATIC_LIBRARY)
+
+  include $(CLEAR_VARS)
+  LOCAL_MODULE := libcommon_audio_neon
+  LOCAL_SRC_FILES := \
+      $(MY_LIBS_PATH)/libcommon_audio_neon.a
+  include $(PREBUILT_STATIC_LIBRARY)
+
+  # TODO(leozwang): Upstream required Android changes to libvpx.gyp to enable
+  # this optimization.
+  #include $(CLEAR_VARS)
+  #LOCAL_MODULE := libvpx_arm_neon
+  #LOCAL_SRC_FILES := \
+  #    $(MY_LIBS_PATH)/libvpx_arm_neon.a
+  #include $(PREBUILT_STATIC_LIBRARY)
+
+  LOCAL_PLATFORM_SPECIFIC_STATIC_LIBRARIES := \
+      libaudio_processing_neon \
+      libisac_neon \
+      libcommon_audio_neon \
+      libvpx_arm_neon
+endif
+
 include $(CLEAR_VARS)
 LOCAL_MODULE_TAGS := tests
 LOCAL_MODULE := libwebrtc-video-demo-jni
@@ -304,7 +363,10 @@ LOCAL_LDLIBS := \
     -lGLESv2 \
     -lOpenSLES \
 
-LOCAL_STATIC_LIBRARIES := \
+# TODO(yujie.mao): Replace LOCAL_WHOLE_STATIC_LIBRARIES to
+# LOCAL_STATIC_LIBRARIES after removing the circular dependencies between
+# libvpx.a and libvpx_intrinsics_[mmx,sse2,ssse3,sse4_1].a
+LOCAL_WHOLE_STATIC_LIBRARIES := \
     libvoice_engine_core \
     libvideo_engine_core \
     libvideo_processing \
@@ -313,7 +375,6 @@ LOCAL_STATIC_LIBRARIES := \
     libvideo_capture_module \
     libaudio_coding_module \
     libaudio_processing \
-    libaudio_processing_neon \
     libPCM16B \
     libCNG \
     libNetEq \
@@ -322,11 +383,9 @@ LOCAL_STATIC_LIBRARIES := \
     libG711 \
     libiLBC \
     libiSACFix \
-    libisac_neon \
     libwebrtc_opus \
     libopus \
     libcommon_audio \
-    libcommon_audio_neon \
     libbitrate_controller \
     libcommon_video \
     libcpu_features_android \
@@ -346,9 +405,9 @@ LOCAL_STATIC_LIBRARIES := \
     libjpeg_turbo \
     libaudioproc_debug_proto \
     libprotobuf_lite \
-    libvpx \
-    libvpx_arm_neon \
     libpaced_sender \
+    libvpx \
+    $(LOCAL_PLATFORM_SPECIFIC_STATIC_LIBRARIES) \
     $(MY_SUPPLEMENTAL_LIBS)
 
 include $(BUILD_SHARED_LIBRARY)

webrtc/video_engine/test/android/jni/Application.mk

@@ -6,6 +6,6 @@
 #  in the file PATENTS.  All contributing project authors may
 #  be found in the AUTHORS file in the root of the source tree.
 
-# Build both ARMv5TE and ARMv7-A machine code.
-APP_ABI := armeabi-v7a #armeabi armeabi-v7a x86
+# Build both ARMv7-A and x86 machine code.
+APP_ABI := armeabi-v7a x86
 APP_STL := stlport_static