From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- .../modules/utility/source/helpers_android.cc | 117 +++++++++ .../modules/utility/source/jvm_android.cc | 292 +++++++++++++++++++++ 2 files changed, 409 insertions(+) create mode 100644 third_party/libwebrtc/modules/utility/source/helpers_android.cc create mode 100644 third_party/libwebrtc/modules/utility/source/jvm_android.cc (limited to 'third_party/libwebrtc/modules/utility/source') diff --git a/third_party/libwebrtc/modules/utility/source/helpers_android.cc b/third_party/libwebrtc/modules/utility/source/helpers_android.cc new file mode 100644 index 0000000000..9cfee8a2af --- /dev/null +++ b/third_party/libwebrtc/modules/utility/source/helpers_android.cc @@ -0,0 +1,117 @@ +/* + * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include "modules/utility/include/helpers_android.h" + +#include +#include +#include +#include + +#include "rtc_base/checks.h" +#include "rtc_base/platform_thread.h" + +#define TAG "HelpersAndroid" +#define ALOGD(...) __android_log_print(ANDROID_LOG_DEBUG, TAG, __VA_ARGS__) + +namespace webrtc { + +JNIEnv* GetEnv(JavaVM* jvm) { + void* env = NULL; + jint status = jvm->GetEnv(&env, JNI_VERSION_1_6); + RTC_CHECK(((env != NULL) && (status == JNI_OK)) || + ((env == NULL) && (status == JNI_EDETACHED))) + << "Unexpected GetEnv return: " << status << ":" << env; + return reinterpret_cast(env); +} + +// Return a `jlong` that will correctly convert back to `ptr`. This is needed +// because the alternative (of silently passing a 32-bit pointer to a vararg +// function expecting a 64-bit param) picks up garbage in the high 32 bits. +jlong PointerTojlong(void* ptr) { + static_assert(sizeof(intptr_t) <= sizeof(jlong), + "Time to rethink the use of jlongs"); + // Going through intptr_t to be obvious about the definedness of the + // conversion from pointer to integral type. intptr_t to jlong is a standard + // widening by the static_assert above. + jlong ret = reinterpret_cast(ptr); + RTC_DCHECK(reinterpret_cast(ret) == ptr); + return ret; +} + +jmethodID GetMethodID(JNIEnv* jni, + jclass c, + const char* name, + const char* signature) { + jmethodID m = jni->GetMethodID(c, name, signature); + CHECK_EXCEPTION(jni) << "Error during GetMethodID: " << name << ", " + << signature; + RTC_CHECK(m) << name << ", " << signature; + return m; +} + +jmethodID GetStaticMethodID(JNIEnv* jni, + jclass c, + const char* name, + const char* signature) { + jmethodID m = jni->GetStaticMethodID(c, name, signature); + CHECK_EXCEPTION(jni) << "Error during GetStaticMethodID: " << name << ", " + << signature; + RTC_CHECK(m) << name << ", " << signature; + return m; +} + +jclass FindClass(JNIEnv* jni, const char* name) { + jclass c = jni->FindClass(name); + CHECK_EXCEPTION(jni) << "Error during FindClass: " << name; + RTC_CHECK(c) << name; + return c; +} + +jobject NewGlobalRef(JNIEnv* jni, jobject o) { + jobject ret = jni->NewGlobalRef(o); + CHECK_EXCEPTION(jni) << "Error during NewGlobalRef"; + RTC_CHECK(ret); + return ret; +} + +void DeleteGlobalRef(JNIEnv* jni, jobject o) { + jni->DeleteGlobalRef(o); + CHECK_EXCEPTION(jni) << "Error during DeleteGlobalRef"; +} + +AttachThreadScoped::AttachThreadScoped(JavaVM* jvm) + : attached_(false), jvm_(jvm), env_(NULL) { + env_ = GetEnv(jvm); + if (!env_) { + // Adding debug log here so we can track down potential leaks and figure + // out why we sometimes see "Native thread exiting without having called + // DetachCurrentThread" in logcat outputs. + ALOGD("Attaching thread to JVM[tid=%d]", rtc::CurrentThreadId()); + jint res = jvm->AttachCurrentThread(&env_, NULL); + attached_ = (res == JNI_OK); + RTC_CHECK(attached_) << "AttachCurrentThread failed: " << res; + } +} + +AttachThreadScoped::~AttachThreadScoped() { + if (attached_) { + ALOGD("Detaching thread from JVM[tid=%d]", rtc::CurrentThreadId()); + jint res = jvm_->DetachCurrentThread(); + RTC_CHECK(res == JNI_OK) << "DetachCurrentThread failed: " << res; + RTC_CHECK(!GetEnv(jvm_)); + } +} + +JNIEnv* AttachThreadScoped::env() { + return env_; +} + +} // namespace webrtc diff --git a/third_party/libwebrtc/modules/utility/source/jvm_android.cc b/third_party/libwebrtc/modules/utility/source/jvm_android.cc new file mode 100644 index 0000000000..39ef12f428 --- /dev/null +++ b/third_party/libwebrtc/modules/utility/source/jvm_android.cc @@ -0,0 +1,292 @@ +/* + * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include "modules/utility/include/jvm_android.h" + +#include + +#include + +#include "rtc_base/checks.h" +#include "rtc_base/logging.h" +#include "rtc_base/platform_thread.h" + +namespace mozilla { +namespace jni { +jclass GetClassRef(JNIEnv* aEnv, const char* aClassName); +} +} + +#define TAG "JVM" +#define ALOGD(...) __android_log_print(ANDROID_LOG_DEBUG, TAG, __VA_ARGS__) +#define ALOGE(...) __android_log_print(ANDROID_LOG_ERROR, TAG, __VA_ARGS__) + +namespace webrtc { + +JVM* g_jvm; + +// TODO(henrika): add more clases here if needed. +struct { + const char* name; + jclass clazz; +} loaded_classes[] = { + {"org/webrtc/voiceengine/BuildInfo", nullptr}, + {"org/webrtc/voiceengine/WebRtcAudioManager", nullptr}, + {"org/webrtc/voiceengine/WebRtcAudioRecord", nullptr}, + {"org/webrtc/voiceengine/WebRtcAudioTrack", nullptr}, +}; + +// Android's FindClass() is trickier than usual because the app-specific +// ClassLoader is not consulted when there is no app-specific frame on the +// stack. Consequently, we only look up all classes once in native WebRTC. +// http://developer.android.com/training/articles/perf-jni.html#faq_FindClass +void LoadClasses(JNIEnv* jni) { + RTC_LOG(LS_INFO) << "LoadClasses:"; + for (auto& c : loaded_classes) { + ALOGD("name: %s", c.name); + jclass clsRef = mozilla::jni::GetClassRef(jni, c.name); + RTC_CHECK(clsRef) << c.name; + c.clazz = static_cast(jni->NewGlobalRef(clsRef)); + jni->DeleteLocalRef(clsRef); + } +} + +void FreeClassReferences(JNIEnv* jni) { + for (auto& c : loaded_classes) { + jni->DeleteGlobalRef(c.clazz); + c.clazz = nullptr; + } +} + +jclass LookUpClass(const char* name) { + for (auto& c : loaded_classes) { + if (strcmp(c.name, name) == 0) + return c.clazz; + } + RTC_CHECK(false) << "Unable to find class in lookup table"; + return 0; +} + +// JvmThreadConnector implementation. +JvmThreadConnector::JvmThreadConnector() : attached_(false) { + RTC_LOG(LS_INFO) << "JvmThreadConnector::ctor"; + JavaVM* jvm = JVM::GetInstance()->jvm(); + RTC_CHECK(jvm); + JNIEnv* jni = GetEnv(jvm); + if (!jni) { + RTC_LOG(LS_INFO) << "Attaching thread to JVM"; + JNIEnv* env = nullptr; + jint ret = jvm->AttachCurrentThread(&env, nullptr); + attached_ = (ret == JNI_OK); + } +} + +JvmThreadConnector::~JvmThreadConnector() { + RTC_LOG(LS_INFO) << "JvmThreadConnector::dtor"; + RTC_DCHECK(thread_checker_.IsCurrent()); + if (attached_) { + RTC_LOG(LS_INFO) << "Detaching thread from JVM"; + jint res = JVM::GetInstance()->jvm()->DetachCurrentThread(); + RTC_CHECK(res == JNI_OK) << "DetachCurrentThread failed: " << res; + } +} + +// GlobalRef implementation. +GlobalRef::GlobalRef(JNIEnv* jni, jobject object) + : jni_(jni), j_object_(NewGlobalRef(jni, object)) { + RTC_LOG(LS_INFO) << "GlobalRef::ctor"; +} + +GlobalRef::~GlobalRef() { + RTC_LOG(LS_INFO) << "GlobalRef::dtor"; + DeleteGlobalRef(jni_, j_object_); +} + +jboolean GlobalRef::CallBooleanMethod(jmethodID methodID, ...) { + va_list args; + va_start(args, methodID); + jboolean res = jni_->CallBooleanMethodV(j_object_, methodID, args); + CHECK_EXCEPTION(jni_) << "Error during CallBooleanMethod"; + va_end(args); + return res; +} + +jint GlobalRef::CallIntMethod(jmethodID methodID, ...) { + va_list args; + va_start(args, methodID); + jint res = jni_->CallIntMethodV(j_object_, methodID, args); + CHECK_EXCEPTION(jni_) << "Error during CallIntMethod"; + va_end(args); + return res; +} + +void GlobalRef::CallVoidMethod(jmethodID methodID, ...) { + va_list args; + va_start(args, methodID); + jni_->CallVoidMethodV(j_object_, methodID, args); + CHECK_EXCEPTION(jni_) << "Error during CallVoidMethod"; + va_end(args); +} + +// NativeRegistration implementation. +NativeRegistration::NativeRegistration(JNIEnv* jni, jclass clazz) + : JavaClass(jni, clazz), jni_(jni) { + RTC_LOG(LS_INFO) << "NativeRegistration::ctor"; +} + +NativeRegistration::~NativeRegistration() { + RTC_LOG(LS_INFO) << "NativeRegistration::dtor"; + jni_->UnregisterNatives(j_class_); + CHECK_EXCEPTION(jni_) << "Error during UnregisterNatives"; +} + +std::unique_ptr NativeRegistration::NewObject(const char* name, + const char* signature, + ...) { + RTC_LOG(LS_INFO) << "NativeRegistration::NewObject"; + va_list args; + va_start(args, signature); + jobject obj = jni_->NewObjectV( + j_class_, GetMethodID(jni_, j_class_, name, signature), args); + CHECK_EXCEPTION(jni_) << "Error during NewObjectV"; + va_end(args); + return std::unique_ptr(new GlobalRef(jni_, obj)); +} + +// JavaClass implementation. +jmethodID JavaClass::GetMethodId(const char* name, const char* signature) { + return GetMethodID(jni_, j_class_, name, signature); +} + +jmethodID JavaClass::GetStaticMethodId(const char* name, + const char* signature) { + return GetStaticMethodID(jni_, j_class_, name, signature); +} + +jobject JavaClass::CallStaticObjectMethod(jmethodID methodID, ...) { + va_list args; + va_start(args, methodID); + jobject res = jni_->CallStaticObjectMethodV(j_class_, methodID, args); + CHECK_EXCEPTION(jni_) << "Error during CallStaticObjectMethod"; + return res; +} + +jint JavaClass::CallStaticIntMethod(jmethodID methodID, ...) { + va_list args; + va_start(args, methodID); + jint res = jni_->CallStaticIntMethodV(j_class_, methodID, args); + CHECK_EXCEPTION(jni_) << "Error during CallStaticIntMethod"; + return res; +} + +// JNIEnvironment implementation. +JNIEnvironment::JNIEnvironment(JNIEnv* jni) : jni_(jni) { + RTC_LOG(LS_INFO) << "JNIEnvironment::ctor"; +} + +JNIEnvironment::~JNIEnvironment() { + RTC_LOG(LS_INFO) << "JNIEnvironment::dtor"; + RTC_DCHECK(thread_checker_.IsCurrent()); +} + +std::unique_ptr JNIEnvironment::RegisterNatives( + const char* name, + const JNINativeMethod* methods, + int num_methods) { + RTC_LOG(LS_INFO) << "JNIEnvironment::RegisterNatives: " << name; + RTC_DCHECK(thread_checker_.IsCurrent()); + jclass clazz = LookUpClass(name); + jni_->RegisterNatives(clazz, methods, num_methods); + CHECK_EXCEPTION(jni_) << "Error during RegisterNatives"; + return std::unique_ptr( + new NativeRegistration(jni_, clazz)); +} + +std::string JNIEnvironment::JavaToStdString(const jstring& j_string) { + RTC_DCHECK(thread_checker_.IsCurrent()); + const char* jchars = jni_->GetStringUTFChars(j_string, nullptr); + CHECK_EXCEPTION(jni_); + const int size = jni_->GetStringUTFLength(j_string); + CHECK_EXCEPTION(jni_); + std::string ret(jchars, size); + jni_->ReleaseStringUTFChars(j_string, jchars); + CHECK_EXCEPTION(jni_); + return ret; +} + +// static +void JVM::Initialize(JavaVM* jvm) { + if (g_jvm) { + return; + } + g_jvm = new JVM(jvm); +} + +void JVM::Initialize(JavaVM* jvm, jobject context) { + Initialize(jvm); + + // Pass in the context to the new ContextUtils class. + JNIEnv* jni = g_jvm->jni(); + jclass context_utils = FindClass(jni, "org/webrtc/ContextUtils"); + jmethodID initialize_method = jni->GetStaticMethodID( + context_utils, "initialize", "(Landroid/content/Context;)V"); + jni->CallStaticVoidMethod(context_utils, initialize_method, context); +} + +// static +void JVM::Uninitialize() { + RTC_LOG(LS_INFO) << "JVM::Uninitialize"; + RTC_DCHECK(g_jvm); + delete g_jvm; + g_jvm = nullptr; +} + +// static +JVM* JVM::GetInstance() { + RTC_DCHECK(g_jvm); + return g_jvm; +} + +JVM::JVM(JavaVM* jvm) : jvm_(jvm) { + RTC_LOG(LS_INFO) << "JVM::JVM"; + RTC_CHECK(jni()) << "AttachCurrentThread() must be called on this thread."; + LoadClasses(jni()); +} + +JVM::~JVM() { + RTC_LOG(LS_INFO) << "JVM::~JVM"; + RTC_DCHECK(thread_checker_.IsCurrent()); + FreeClassReferences(jni()); +} + +std::unique_ptr JVM::environment() { + RTC_LOG(LS_INFO) << "JVM::environment"; + ; + // The JNIEnv is used for thread-local storage. For this reason, we cannot + // share a JNIEnv between threads. If a piece of code has no other way to get + // its JNIEnv, we should share the JavaVM, and use GetEnv to discover the + // thread's JNIEnv. (Assuming it has one, if not, use AttachCurrentThread). + // See // http://developer.android.com/training/articles/perf-jni.html. + JNIEnv* jni = GetEnv(jvm_); + if (!jni) { + RTC_LOG(LS_ERROR) + << "AttachCurrentThread() has not been called on this thread"; + return std::unique_ptr(); + } + return std::unique_ptr(new JNIEnvironment(jni)); +} + +JavaClass JVM::GetClass(const char* name) { + RTC_LOG(LS_INFO) << "JVM::GetClass: " << name; + RTC_DCHECK(thread_checker_.IsCurrent()); + return JavaClass(jni(), LookUpClass(name)); +} + +} // namespace webrtc -- cgit v1.2.3