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/*
* Copyright (C) 2010 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.
*/
#ifndef THROTTLED_SOURCE_H_
#define THROTTLED_SOURCE_H_
#include <media/stagefright/DataSource.h>
#include <utils/threads.h>
namespace android {
struct ThrottledSource : public DataSource {
ThrottledSource(
const sp<DataSource> &source,
int32_t bandwidthLimitBytesPerSecond);
virtual status_t initCheck() const;
virtual ssize_t readAt(off_t offset, void *data, size_t size);
virtual status_t getSize(off_t *size);
virtual uint32_t flags();
private:
Mutex mLock;
sp<DataSource> mSource;
int32_t mBandwidthLimitBytesPerSecond;
int64_t mStartTimeUs;
size_t mTotalTransferred;
ThrottledSource(const ThrottledSource &);
ThrottledSource &operator=(const ThrottledSource &);
};
} // namespace android
#endif // THROTTLED_SOURCE_H_
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