mirror of https://github.com/axmolengine/axmol.git
110 lines
2.6 KiB
C
110 lines
2.6 KiB
C
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/*
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* cocos2d-x http://www.cocos2d-x.org
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*
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* Copyright (c) 2010-2011 - cocos2d-x community
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*
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* Portions Copyright (c) Microsoft Open Technologies, Inc.
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* All Rights Reserved
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); 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 distributed under the License is distributed on an
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* "AS IS" BASIS, 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 limitations under the License.
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*/
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#include "platform/CCPlatformConfig.h"
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#if CC_TARGET_PLATFORM == CC_PLATFORM_WINRT
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#ifndef __AUDIO_SOURCE_READER_H_
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#define __AUDIO_SOURCE_READER_H_
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#define NEAR near
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#include "MediaStreamer.h"
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NS_CC_BEGIN
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namespace experimental{
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const UINT PCMDATA_CACHEMAXSIZE = 2621440;
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const UINT QUEUEBUFFER_NUM = 4;
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const UINT CHUNK_SIZE_MAX = PCMDATA_CACHEMAXSIZE / QUEUEBUFFER_NUM;
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enum class FileFormat
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{
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UNKNOWN,
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WAV,
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MP3,
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OGG
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};
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typedef struct AudioDataChunk
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{
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size_t _dataSize;
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unsigned char *_data;
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bool _endOfStream;
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int _seqNo;
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} AudioDataChunk;
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class AudioSourceReader
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{
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public:
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AudioSourceReader();
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virtual ~AudioSourceReader();
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bool isStreamingSource() { return _isStreaming; }
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std::string getFilePath() { return _filePath; }
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virtual size_t getTotalAudioBytes() { return _audioSize; }
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virtual bool initialize(const std::string& filePath) = 0;
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virtual FileFormat getFileFormat() = 0;
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virtual bool consumeChunk(AudioDataChunk& chunk) = 0;
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virtual void produceChunk() = 0;
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virtual void seekTo(const float ratio) = 0;
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virtual const WAVEFORMATEX& getWaveFormatInfo() { return _wfx; }
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protected:
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bool _isStreaming;
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std::string _filePath;
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size_t _audioSize;
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WAVEFORMATEX _wfx;
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};
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class WAVReader : public AudioSourceReader
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{
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public:
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WAVReader();
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~WAVReader();
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bool initialize(const std::string& filePath) override;
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FileFormat getFileFormat() override { return FileFormat::WAV; }
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bool consumeChunk(AudioDataChunk& chunk) override;
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void produceChunk() override;
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void seekTo(const float ratio) override;
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protected:
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void enqueueChunk(const AudioDataChunk& chunk);
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void flushChunks();
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private:
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bool _isDirty;
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size_t _bytesRead;
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std::mutex _rwMutex;
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MediaStreamer^ _streamer;
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std::queue<AudioDataChunk> _chnkQ;
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};
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class MP3Reader : public AudioSourceReader
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{
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};
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}
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NS_CC_END
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#endif // __AUDIO_SOURCE_READER_H_
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#endif
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