Files
android/proprietary/wvm/include/WVMExtractorImpl.h
Jeffrey Tinker 14f0deafac Configure the Widevine cache buffer size via a property
The property ro.com.widevine.cachesize may be set on a device to override the
default stream buffer cache size.

related-to-bug: 6819880

Change-Id: I27da154e38289c5d1f5f2f5f424202253d0721cc
2012-08-22 09:37:36 -07:00

94 lines
2.4 KiB
C++

/*
* Copyright (C) 2011 Google, Inc. All Rights Reserved
*/
#ifndef WVMEXTRACTOR_H_
#define WVMEXTRACTOR_H_
#include "AndroidConfig.h"
#include "WVStreamControlAPI.h"
#include "WVMInfoListener.h"
#include "WVMExtractor.h"
#include <media/stagefright/DataSource.h>
#include <utils/RefBase.h>
// DLL entry - given a data source, instantiate a WVMExtractor object
namespace android {
WVMLoadableExtractor *GetInstance(sp<DataSource> dataSource);
bool IsWidevineMedia(const sp<DataSource>& dataSource);
class WVMMediaSource;
class WVMFileSource;
class WVMExtractorImpl : public WVMLoadableExtractor {
public:
WVMExtractorImpl(sp<DataSource> dataSource);
virtual size_t countTracks();
virtual sp<MediaSource> getTrack(size_t index);
virtual sp<MetaData> getTrackMetaData(size_t index, uint32_t flags);
virtual sp<MetaData> getMetaData();
virtual int64_t getCachedDurationUs(status_t *finalStatus);
virtual void setAdaptiveStreamingMode(bool adaptive);
bool getAdaptiveStreamingMode() const;
//
// if in CryptoPlugin mode, the extractor doesn't decrypt,
// it just accumulates the ranges of data requiring decryption
// into the MediaBuffer's metadata, the decryption happens
// later via the CryptoPlugin
//
virtual void setCryptoPluginMode(bool cryptoPluginMode);
virtual void setUID(uid_t uid);
static void SocketInfoCallback(int fd, int op, void *context);
static void cleanup();
protected:
virtual ~WVMExtractorImpl();
void Initialize();
private:
status_t readAVCCMetaData(sp<MetaData> videoMetaData);
status_t readESDSMetaData(sp<MetaData> audioMetaData);
sp<WVMMediaSource> mAudioSource;
sp<WVMMediaSource> mVideoSource;
sp<MetaData> mFileMetaData;
sp<WVMFileSource> mFileSource;
sp<DataSource> mDataSource;
sp<WVMInfoListener> mInfoListener;
sp<ClientContext> mClientContext;
bool mHaveMetaData;
bool mUseAdaptiveStreaming;
bool mIsLiveStream;
bool mAdaptivePrefetching;
WVSession *mSession;
int64_t mDuration; // usec.
status_t mSetupStatus;
status_t readMetaData();
size_t getStreamCacheSize() const;
const static size_t kDefaultStreamCacheSize = 10 * 1024 * 1024;
WVMExtractorImpl(const WVMExtractorImpl &);
WVMExtractorImpl &operator=(const WVMExtractorImpl &);
};
} // namespace android
#endif // WVMEXTRACTOR_H_