【发布时间】：2020-01-11 07:16:34
【问题描述】：
我正在尝试在 Android Sudio 3.5 中运行 gstreamer android tutorial-5 (https://gitlab.freedesktop.org/gstreamer/gst-docs/tree/master/examples/tutorials/android)(https://gitlab.com/eduardoprado/gstreamer-tutorial5) 但收到以下错误：
ERROR: Cause: executing external native build for ndkBuild C:\Users\Downloads\gst_docs_master_examples_tutorials_android\examples\tutorials\android\android-tutorial-1\jni\Android.mk.
我一直在关注 gstreamer 网站上的 gstreamer android 教程以及 stackoverflow 线程 Gstreamer examples in Android Studio。
第一个目标是让 gstreamer 在 android studio 上运行。
有一些线程错误与路径目录中的空格有关，但我检查过所有文件夹都没有空格。以下是我一直在使用和调整以使教程运行的一些文件。
我还将我的 Windows 环境变量 GSTREAMER_ROOT_ANDROID 设置为解压后的 gstreamer 二进制文件，并将其设置在 android.mk 文件中。
local.properties 文件
## This file must *NOT* be checked into Version Control Systems,
# as it contains information specific to your local configuration.
#
# Location of the SDK. This is only used by Gradle.
# For customization when using a Version Control System, please read the
# header note.
#Mon Sep 09 08:16:12 EDT 2019
sdk.dir=C\:\\Users\\AppData\\Local\\Android\\Sdk
ndk.dir=C\:\\Users\\AppData\\Local\\Android\\Sdk\\ndk\\20.0.5594570
Android.mk
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE := tutorial-5
LOCAL_SRC_FILES := tutorial-5.c
LOCAL_SHARED_LIBRARIES := gstreamer_android
LOCAL_LDLIBS := -llog -landroid
include $(BUILD_SHARED_LIBRARY)
GSTREAMER_ROOT_ANDROID := C\:\\gstreamer_android_binaries
ifndef GSTREAMER_ROOT_ANDROID
$(error GSTREAMER_ROOT_ANDROID is not defined!)
endif
ifeq ($(TARGET_ARCH_ABI),armeabi)
GSTREAMER_ROOT := $(GSTREAMER_ROOT_ANDROID)/arm
else ifeq ($(TARGET_ARCH_ABI),armeabi-v7a)
GSTREAMER_ROOT := $(GSTREAMER_ROOT_ANDROID)/armv7
else ifeq ($(TARGET_ARCH_ABI),arm64-v8a)
GSTREAMER_ROOT := $(GSTREAMER_ROOT_ANDROID)/arm64
else ifeq ($(TARGET_ARCH_ABI),x86)
GSTREAMER_ROOT := $(GSTREAMER_ROOT_ANDROID)/x86
else ifeq ($(TARGET_ARCH_ABI),x86_64)
GSTREAMER_ROOT := $(GSTREAMER_ROOT_ANDROID)/x86_64
else
$(error Target arch ABI not supported: $(TARGET_ARCH_ABI))
endif
GSTREAMER_NDK_BUILD_PATH := $(GSTREAMER_ROOT)/share/gst-android/ndk-build/
include $(GSTREAMER_NDK_BUILD_PATH)/plugins.mk
GSTREAMER_PLUGINS := $(GSTREAMER_PLUGINS_CORE) $(GSTREAMER_PLUGINS_PLAYBACK) $(GSTREAMER_PLUGINS_CODECS) $(GSTREAMER_PLUGINS_NET) $(GSTREAMER_PLUGINS_SYS)
G_IO_MODULES := gnutls
GSTREAMER_EXTRA_DEPS := gstreamer-video-1.0
include $(GSTREAMER_NDK_BUILD_PATH)/gstreamer-1.0.mk
build.gradle（应用程序）
apply plugin: 'com.android.application'
android {
compileSdkVersion 29
buildToolsVersion "26.0.3"
defaultConfig {
applicationId "com.gst_sdk_tutorials.tutorial_5"
minSdkVersion 14
targetSdkVersion 29
externalNativeBuild {
ndkBuild {
arguments "V=1"
}
}
ndk {
moduleName "tutorial-5"
abiFilters 'x86', 'armeabi-v7a', 'arm64-v8a'
}
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
}
}
externalNativeBuild {
ndkBuild {
path 'src/main/jni/Android.mk'
}
}
}
build.gradle（项目）
// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
repositories {
jcenter()
google()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.5.0'
}
}
allprojects {
repositories {
jcenter()
}
}
gradle-wrapper.properties
#Mon Sep 09 14:10:17 EDT 2019
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip
更新 将参数“V=1”添加到 ndkBuild 部分并收到相同的错误：
ERROR: Cause: executing external native build for ndkBuild C:\Users\Downloads\gstreamer-tutorial5-master\app\src\main\jni\Android.mk
【问题讨论】：
-
在任何地方都没有实际错误吗？除了“出了点问题”之外，我在这里没有看到任何错误消息。
-
在 Run Build -> Gradle Sync Issues 下出现错误。
ERROR: Cause: executing external native build for ndkBuild C:\Users\Downloads\gst_docs_master_examples_tutorials_android\examples\tutorials\android\android-tutorial-1\jni\Android.mk. -
这个
ndkBuild_build_command.txt文件不属于你的电脑，它来自一些Linux机器。请同时删除.cxx和.externalNdkBuild目录，然后再次运行Gradle Sync。您将获得另一个ndkBuild_build_command.txt文件。请在此处发布，或使用与此文件中所述相同的参数，从 CMD 提示符运行 ndk-build.cmd。我希望它能给你很好的提示，告诉你出了什么问题。
标签： android-studio android-ndk gstreamer ndk-build