mirror of https://github.com/axmolengine/axmol.git
62 lines
2.3 KiB
C
62 lines
2.3 KiB
C
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/*
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* Copyright (C) 2014 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef MP3READER_H_
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#define MP3READER_H_
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typedef struct {
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size_t (*read) (void *ptr, size_t size, size_t nmemb, void *datasource);
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int (*seek) (void *datasource, int64_t offset, int whence);
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int (*close) (void *datasource);
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long (*tell) (void *datasource);
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} mp3_callbacks;
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class Mp3Reader {
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public:
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Mp3Reader();
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bool init(mp3_callbacks *callback, void* source);
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bool getFrame(void *buffer, uint32_t *size);
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uint32_t getSampleRate() { return mSampleRate;}
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uint32_t getNumChannels() { return mNumChannels;}
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void close();
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~Mp3Reader();
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private:
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void *mSource;
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mp3_callbacks* mCallback;
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uint32_t mFixedHeader;
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off64_t mCurrentPos;
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uint32_t mSampleRate;
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uint32_t mNumChannels;
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uint32_t mBitrate;
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};
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int decodeMP3(mp3_callbacks* cb, void* source, std::vector<char>& pcmBuffer, int* numChannels, int* sampleRate, int* numFrames);
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#endif /* MP3READER_H_ */
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