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66 lines
1.4 KiB
66 lines
1.4 KiB
#pragma once |
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#include <chrono> |
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#include <cstdint> |
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#include <memory> |
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#include <queue> |
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#include <Aulib/Decoder.h> |
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#include <SDL_mutex.h> |
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#include "utils/sdl_mutex.h" |
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namespace devilution { |
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/** |
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* @brief A Decoder interface implementations that simply has the samples pushed into it by the user. |
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*/ |
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class PushAulibDecoder final : public ::Aulib::Decoder { |
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public: |
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PushAulibDecoder(int numChannels, int sampleRate) |
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: numChannels_(numChannels) |
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, sampleRate_(sampleRate) |
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{ |
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} |
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void PushSamples(const std::uint8_t *data, unsigned size) noexcept; |
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void PushSamples(const std::int16_t *data, unsigned size) noexcept; |
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void DiscardPendingSamples() noexcept; |
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bool open(SDL_RWops *rwops) override; |
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[[nodiscard]] int getChannels() const override |
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{ |
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return numChannels_; |
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} |
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[[nodiscard]] int getRate() const override |
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{ |
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return sampleRate_; |
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} |
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bool rewind() override; |
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[[nodiscard]] std::chrono::microseconds duration() const override; |
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bool seekToTime(std::chrono::microseconds pos) override; |
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protected: |
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int doDecoding(float buf[], int len, bool &callAgain) override; |
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private: |
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struct AudioQueueItem { |
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std::unique_ptr<std::int16_t[]> data; |
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unsigned len; |
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const std::int16_t *pos; |
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}; |
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const int numChannels_; |
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const int sampleRate_; |
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// Requires holding the queue_mutex_. |
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AudioQueueItem *Next(); |
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std::queue<AudioQueueItem> queue_; |
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SdlMutex queue_mutex_; |
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}; |
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} // namespace devilution
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