Massive removal of unused modules

src/audio_core/time_stretch.h

@@ -1,60 +0,0 @@
-// Copyright 2016 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <cstddef>
-#include <memory>
-#include <vector>
-#include "common/common_types.h"
-
-namespace AudioCore {
-
-class TimeStretcher final {
-public:
-    TimeStretcher();
-    ~TimeStretcher();
-
-    /**
-     * Set sample rate for the samples that Process returns.
-     * @param sample_rate The sample rate.
-     */
-    void SetOutputSampleRate(unsigned int sample_rate);
-
-    /**
-     * Add samples to be processed.
-     * @param sample_buffer Buffer of samples in interleaved stereo PCM16 format.
-     * @param num_samples Number of samples.
-     */
-    void AddSamples(const s16* sample_buffer, size_t num_samples);
-
-    /// Flush audio remaining in internal buffers.
-    void Flush();
-
-    /// Resets internal state and clears buffers.
-    void Reset();
-
-    /**
-     * Does audio stretching and produces the time-stretched samples.
-     * Timer calculations use sample_delay to determine how much of a margin we have.
-     * @param sample_delay How many samples are buffered downstream of this module and haven't been
-     * played yet.
-     * @return Samples to play in interleaved stereo PCM16 format.
-     */
-    std::vector<s16> Process(size_t sample_delay);
-
-private:
-    struct Impl;
-    std::unique_ptr<Impl> impl;
-
-    /// INTERNAL: ratio = wallclock time / emulated time
-    double CalculateCurrentRatio();
-    /// INTERNAL: If we have too many or too few samples downstream, nudge ratio in the appropriate
-    /// direction.
-    double CorrectForUnderAndOverflow(double ratio, size_t sample_delay) const;
-    /// INTERNAL: Gets the time-stretched samples from SoundTouch.
-    std::vector<s16> GetSamples();
-};
-
-} // namespace AudioCore