68 lines
1.8 KiB
C++
68 lines
1.8 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 WAV_EXTRACTOR_H_
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#define WAV_EXTRACTOR_H_
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#include <utils/Errors.h>
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#include <media/MediaExtractorPluginApi.h>
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#include <media/MediaExtractorPluginHelper.h>
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#include <media/NdkMediaFormat.h>
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namespace android {
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struct AMessage;
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struct CDataSource;
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class String8;
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class WAVExtractor : public MediaExtractorPluginHelper {
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public:
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explicit WAVExtractor(DataSourceHelper *source);
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virtual size_t countTracks();
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virtual MediaTrackHelper *getTrack(size_t index);
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virtual media_status_t getTrackMetaData(AMediaFormat *meta, size_t index, uint32_t flags);
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virtual media_status_t getMetaData(AMediaFormat *meta);
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virtual const char * name() { return "WAVExtractor"; }
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virtual ~WAVExtractor();
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private:
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DataSourceHelper *mDataSource;
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status_t mInitCheck;
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bool mValidFormat;
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uint16_t mWaveFormat;
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uint16_t mNumChannels;
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uint32_t mChannelMask;
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uint32_t mSampleRate;
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uint16_t mBitsPerSample;
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off64_t mDataOffset;
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size_t mDataSize;
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AMediaFormat *mTrackMeta;
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status_t init();
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WAVExtractor(const WAVExtractor &);
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WAVExtractor &operator=(const WAVExtractor &);
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};
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} // namespace android
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#endif // WAV_EXTRACTOR_H_
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