0a8a8f0b26
Forked from 9070e295864b83deca9020ca8bdd9ff790e631a9 Test: plays local files, callback source and streaming. Bug: 63934228 Change-Id: I692007c07eb2819f8ad1d843e4e2b1fc96fbecca
71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
/*
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* Copyright 2017, The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _ANDROID_MEDIA_MEDIA2DATASOURCE_H_
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#define _ANDROID_MEDIA_MEDIA2DATASOURCE_H_
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#include "jni.h"
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#include <media/DataSource.h>
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#include <media/stagefright/foundation/ABase.h>
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#include <utils/Errors.h>
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#include <utils/Mutex.h>
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namespace android {
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// The native counterpart to a Java android.media.Media2DataSource. It inherits from
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// DataSource.
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//
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// If the java DataSource returns an error or throws an exception it
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// will be considered to be in a broken state, and the only further call this
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// will make is to close().
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class JMedia2DataSource : public DataSource {
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public:
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JMedia2DataSource(JNIEnv *env, jobject source);
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virtual ~JMedia2DataSource();
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virtual status_t initCheck() const override;
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virtual ssize_t readAt(off64_t offset, void *data, size_t size) override;
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virtual status_t getSize(off64_t *size) override;
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virtual String8 toString() override;
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virtual String8 getMIMEType() const override;
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virtual void close() override;
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private:
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// Protect all member variables with mLock because this object will be
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// accessed on different threads.
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Mutex mLock;
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// The status of the java DataSource. Set to OK unless an error occurred or
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// close() was called.
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status_t mJavaObjStatus;
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// Only call the java getSize() once so the app can't change the size on us.
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bool mSizeIsCached;
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off64_t mCachedSize;
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jobject mMedia2DataSourceObj;
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jmethodID mReadAtMethod;
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jmethodID mGetSizeMethod;
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jmethodID mCloseMethod;
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jbyteArray mByteArrayObj;
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DISALLOW_EVIL_CONSTRUCTORS(JMedia2DataSource);
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};
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} // namespace android
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#endif // _ANDROID_MEDIA_MEDIA2DATASOURCE_H_
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