diff options
Diffstat (limited to 'media/jni/android_media_Media2HTTPConnection.cpp')
| -rw-r--r-- | media/jni/android_media_Media2HTTPConnection.cpp | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/media/jni/android_media_Media2HTTPConnection.cpp b/media/jni/android_media_Media2HTTPConnection.cpp new file mode 100644 index 000000000000..60176e3d238e --- /dev/null +++ b/media/jni/android_media_Media2HTTPConnection.cpp @@ -0,0 +1,182 @@ +/* + * Copyright 2017, The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +//#define LOG_NDEBUG 0 +#define LOG_TAG "Media2HTTPConnection-JNI" +#include <utils/Log.h> + +#include <media/stagefright/foundation/ADebug.h> +#include <nativehelper/ScopedLocalRef.h> + +#include "android_media_Media2HTTPConnection.h" +#include "android_util_Binder.h" + +#include "android_runtime/AndroidRuntime.h" +#include "android_runtime/Log.h" +#include "jni.h" +#include <nativehelper/JNIHelp.h> + +namespace android { + +static const size_t kBufferSize = 32768; + +JMedia2HTTPConnection::JMedia2HTTPConnection(JNIEnv *env, jobject thiz) { + mMedia2HTTPConnectionObj = env->NewGlobalRef(thiz); + CHECK(mMedia2HTTPConnectionObj != NULL); + + ScopedLocalRef<jclass> media2HTTPConnectionClass( + env, env->GetObjectClass(mMedia2HTTPConnectionObj)); + CHECK(media2HTTPConnectionClass.get() != NULL); + + mConnectMethod = env->GetMethodID( + media2HTTPConnectionClass.get(), + "connect", + "(Ljava/lang/String;Ljava/lang/String;)Z"); + CHECK(mConnectMethod != NULL); + + mDisconnectMethod = env->GetMethodID( + media2HTTPConnectionClass.get(), + "disconnect", + "()V"); + CHECK(mDisconnectMethod != NULL); + + mReadAtMethod = env->GetMethodID( + media2HTTPConnectionClass.get(), + "readAt", + "(J[BI)I"); + CHECK(mReadAtMethod != NULL); + + mGetSizeMethod = env->GetMethodID( + media2HTTPConnectionClass.get(), + "getSize", + "()J"); + CHECK(mGetSizeMethod != NULL); + + mGetMIMETypeMethod = env->GetMethodID( + media2HTTPConnectionClass.get(), + "getMIMEType", + "()Ljava/lang/String;"); + CHECK(mGetMIMETypeMethod != NULL); + + mGetUriMethod = env->GetMethodID( + media2HTTPConnectionClass.get(), + "getUri", + "()Ljava/lang/String;"); + CHECK(mGetUriMethod != NULL); + + ScopedLocalRef<jbyteArray> tmp( + env, env->NewByteArray(kBufferSize)); + mByteArrayObj = (jbyteArray)env->NewGlobalRef(tmp.get()); + CHECK(mByteArrayObj != NULL); +} + +JMedia2HTTPConnection::~JMedia2HTTPConnection() { + JNIEnv *env = AndroidRuntime::getJNIEnv(); + env->DeleteGlobalRef(mMedia2HTTPConnectionObj); + env->DeleteGlobalRef(mByteArrayObj); +} + +bool JMedia2HTTPConnection::connect( + const char *uri, const KeyedVector<String8, String8> *headers) { + String8 tmp(""); + if (headers != NULL) { + for (size_t i = 0; i < headers->size(); ++i) { + tmp.append(headers->keyAt(i)); + tmp.append(String8(": ")); + tmp.append(headers->valueAt(i)); + tmp.append(String8("\r\n")); + } + } + + JNIEnv* env = AndroidRuntime::getJNIEnv(); + jstring juri = env->NewStringUTF(uri); + jstring jheaders = env->NewStringUTF(tmp.string()); + + jboolean ret = + env->CallBooleanMethod(mMedia2HTTPConnectionObj, mConnectMethod, juri, jheaders); + + env->DeleteLocalRef(juri); + env->DeleteLocalRef(jheaders); + + return (bool)ret; +} + +void JMedia2HTTPConnection::disconnect() { + JNIEnv* env = AndroidRuntime::getJNIEnv(); + env->CallVoidMethod(mMedia2HTTPConnectionObj, mDisconnectMethod); +} + +ssize_t JMedia2HTTPConnection::readAt(off64_t offset, void *data, size_t size) { + JNIEnv* env = AndroidRuntime::getJNIEnv(); + + if (size > kBufferSize) { + size = kBufferSize; + } + + jint n = env->CallIntMethod( + mMedia2HTTPConnectionObj, mReadAtMethod, (jlong)offset, mByteArrayObj, (jint)size); + + if (n > 0) { + env->GetByteArrayRegion( + mByteArrayObj, + 0, + n, + (jbyte *)data); + } + + return n; +} + +off64_t JMedia2HTTPConnection::getSize() { + JNIEnv* env = AndroidRuntime::getJNIEnv(); + return (off64_t)(env->CallLongMethod(mMedia2HTTPConnectionObj, mGetSizeMethod)); +} + +status_t JMedia2HTTPConnection::getMIMEType(String8 *mimeType) { + JNIEnv* env = AndroidRuntime::getJNIEnv(); + jstring jmime = (jstring)env->CallObjectMethod(mMedia2HTTPConnectionObj, mGetMIMETypeMethod); + jboolean flag = env->ExceptionCheck(); + if (flag) { + env->ExceptionClear(); + return UNKNOWN_ERROR; + } + + const char *str = env->GetStringUTFChars(jmime, 0); + if (str != NULL) { + *mimeType = String8(str); + } else { + *mimeType = "application/octet-stream"; + } + env->ReleaseStringUTFChars(jmime, str); + return OK; +} + +status_t JMedia2HTTPConnection::getUri(String8 *uri) { + JNIEnv* env = AndroidRuntime::getJNIEnv(); + jstring juri = (jstring)env->CallObjectMethod(mMedia2HTTPConnectionObj, mGetUriMethod); + jboolean flag = env->ExceptionCheck(); + if (flag) { + env->ExceptionClear(); + return UNKNOWN_ERROR; + } + + const char *str = env->GetStringUTFChars(juri, 0); + *uri = String8(str); + env->ReleaseStringUTFChars(juri, str); + return OK; +} + +} // namespace android |