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#pragma once
#include <cstddef>
#include <cstdint>
#include <memory>
#include <vector>
#include "chunk.hpp"
#include "ff.h"
#include "span.hpp"
#include "audio_element.hpp"
#include "codec.hpp"
#include "stream_info.hpp"
namespace audio {
/*
* An audio element that accepts various kinds of encoded audio streams as
* input, and converts them to uncompressed PCM output.
*/
class AudioDecoder : public IAudioElement {
public:
AudioDecoder();
~AudioDecoder();
auto Process(const std::vector<InputStream>& inputs, OutputStream* output)
-> void override;
AudioDecoder(const AudioDecoder&) = delete;
AudioDecoder& operator=(const AudioDecoder&) = delete;
private:
std::unique_ptr<codecs::ICodec> current_codec_;
std::optional<StreamInfo::Format> current_input_format_;
std::optional<StreamInfo::Format> current_output_format_;
bool has_samples_to_send_;
auto ProcessStreamInfo(const StreamInfo& info) -> bool;
};
} // namespace audio
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