65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
/*
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Copyright (c) 2013 yvt
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This file is part of OpenSpades.
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OpenSpades is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenSpades is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenSpades. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <map>
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#include <string>
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#include "IAudioStream.h"
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namespace spades {
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class WavAudioStream : public IAudioStream {
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struct RiffChunkInfo {
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uint64_t dataPosition;
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std::string name;
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uint64_t length;
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};
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std::map<std::string, RiffChunkInfo> chunks;
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IStream *stream;
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bool autoClose;
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int channels;
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int rate;
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SampleFormat sampleFormat;
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const RiffChunkInfo *dataChunk;
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uint64_t startPos, endPos;
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RiffChunkInfo ReadChunkInfo();
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const RiffChunkInfo &GetChunk(const std::string &);
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public:
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WavAudioStream(IStream *, bool autoClose);
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~WavAudioStream();
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uint64_t GetLength() override;
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int GetSamplingFrequency() override;
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SampleFormat GetSampleFormat() override;
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int GetNumChannels() override;
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int ReadByte() override;
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size_t Read(void *, size_t bytes) override;
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uint64_t GetPosition() override;
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void SetPosition(uint64_t) override;
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};
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}
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