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49 lines
1.1 KiB
49 lines
1.1 KiB
/*
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* Copyright 2023 jacqueline <me@jacqueline.id.au>
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*
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* SPDX-License-Identifier: GPL-3.0-only
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*/
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#pragma once
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#include <cstddef>
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#include <cstdint>
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#include <memory>
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#include <optional>
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#include <string>
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#include <utility>
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#include "opus.h"
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#include "span.hpp"
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#include "codec.hpp"
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namespace codecs {
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class XiphOpusDecoder : public ICodec {
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public:
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XiphOpusDecoder();
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~XiphOpusDecoder();
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/*
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* Returns the output format for the next frame in the stream. MP3 streams
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* may represent multiple distinct tracks, with different bitrates, and so we
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* handle the stream only on a frame-by-frame basis.
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*/
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auto BeginStream(cpp::span<const std::byte>) -> Result<OutputFormat> override;
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/*
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* Writes samples for the current frame.
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*/
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auto ContinueStream(cpp::span<const std::byte> input,
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cpp::span<std::byte> output)
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-> Result<OutputInfo> override;
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auto SeekStream(cpp::span<const std::byte> input, std::size_t target_sample)
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-> Result<void> override;
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private:
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OpusDecoder *opus_;
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float *sample_buffer_;
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std::size_t sample_buffer_len_;
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} // namespace codecs
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