102 lines
3.0 KiB
C++
102 lines
3.0 KiB
C++
/*
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* Copyright (C) 2009 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 IMEDIA_EXTRACTOR_BASE_H_
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#define IMEDIA_EXTRACTOR_BASE_H_
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#include <media/DataSource.h>
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#include <media/IMediaSource.h>
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#include <vector>
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namespace android {
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class MetaData;
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typedef std::vector<uint8_t> HInterfaceToken;
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class IMediaExtractor : public IInterface {
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public:
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DECLARE_META_INTERFACE(MediaExtractor);
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virtual size_t countTracks() = 0;
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// This function could return NULL IMediaSource even when index is within the
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// track count returned by countTracks, since it's possible the track is malformed
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// and it's not detected during countTracks call.
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virtual sp<IMediaSource> getTrack(size_t index) = 0;
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enum GetTrackMetaDataFlags {
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kIncludeExtensiveMetaData = 1
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};
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virtual sp<MetaData> getTrackMetaData(
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size_t index, uint32_t flags = 0) = 0;
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// Return container specific meta-data. The default implementation
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// returns an empty metadata object.
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virtual sp<MetaData> getMetaData() = 0;
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virtual status_t getMetrics(Parcel *reply) = 0;
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enum Flags {
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CAN_SEEK_BACKWARD = 1, // the "seek 10secs back button"
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CAN_SEEK_FORWARD = 2, // the "seek 10secs forward button"
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CAN_PAUSE = 4,
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CAN_SEEK = 8, // the "seek bar"
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};
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// If subclasses do _not_ override this, the default is
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// CAN_SEEK_BACKWARD | CAN_SEEK_FORWARD | CAN_SEEK | CAN_PAUSE
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virtual uint32_t flags() const = 0;
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virtual status_t setMediaCas(const HInterfaceToken &casToken) = 0;
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virtual String8 name() = 0;
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enum class EntryPoint {
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SDK = 1,
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NDK_WITH_JVM = 2,
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NDK_NO_JVM = 3,
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OTHER = 4,
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};
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virtual status_t setEntryPoint(EntryPoint entryPoint) = 0;
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virtual status_t setLogSessionId(const String8& logSessionId) = 0;
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};
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class BnMediaExtractor: public BnInterface<IMediaExtractor>
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{
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public:
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virtual status_t onTransact(uint32_t code, const Parcel& data, Parcel* reply,
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uint32_t flags = 0);
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};
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void registerMediaExtractor(
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const sp<IMediaExtractor> &extractor,
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const sp<DataSource> &source,
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const char *mime);
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void registerMediaSource(
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const sp<IMediaExtractor> &extractor,
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const sp<IMediaSource> &source);
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status_t dumpExtractors(int fd, const Vector<String16>& args);
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} // namespace android
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#endif // IMEDIA_EXTRACTOR_BASE_H_
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