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85 lines
2.9 KiB
85 lines
2.9 KiB
/****************************************************************************
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Copyright (c) 2016 Chukong Technologies Inc.
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Copyright (c) 2017-2023 Xiamen Yaji Software Co., Ltd.
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http://www.cocos.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#pragma once
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#include "audio/common/decoder/AudioDecoder.h"
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#if CC_PLATFORM == CC_PLATFORM_WINDOWS
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#include "vorbis/vorbisfile.h"
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#elif CC_PLATFORM == CC_PLATFORM_OHOS
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#include "ivorbisfile.h"
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#endif
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namespace cc {
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/**
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* @brief The class for decoding compressed audio file to PCM buffer.
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*/
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class AudioDecoderOgg : public AudioDecoder {
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public:
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/**
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* @brief Opens an audio file specified by a file path.
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* @return true if succeed, otherwise false.
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*/
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bool open(const char *path) override;
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/**
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* @brief Closes opened audio file.
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* @note The method will also be automatically invoked in the destructor.
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*/
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void close() override;
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/**
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* @brief Reads audio frames of PCM format.
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* @param framesToRead The number of frames excepted to be read.
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* @param pcmBuf The buffer to hold the frames to be read, its size should be >= |framesToRead| * _bytesPerFrame.
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* @return The number of frames actually read, it's probably less than 'framesToRead'. Returns 0 means reach the end of file.
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*/
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uint32_t read(uint32_t framesToRead, char *pcmBuf) override;
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/**
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* @brief Sets frame offest to be read.
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* @param frameOffset The frame offest to be set.
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* @return true if succeed, otherwise false
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*/
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bool seek(uint32_t frameOffset) override;
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/**
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* @brief Tells the current frame offset.
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* @return The current frame offset.
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*/
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uint32_t tell() const override;
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protected:
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AudioDecoderOgg();
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~AudioDecoderOgg() override;
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OggVorbis_File _vf;
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friend class AudioDecoderManager;
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};
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} // namespace cc
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