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Diffstat (limited to '')
-rw-r--r-- | src/audio_core/hle/filter.h | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/src/audio_core/hle/filter.h b/src/audio_core/hle/filter.h deleted file mode 100644 index 5350e2857..000000000 --- a/src/audio_core/hle/filter.h +++ /dev/null @@ -1,117 +0,0 @@ -// Copyright 2016 Citra Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#pragma once - -#include <array> -#include "audio_core/hle/common.h" -#include "audio_core/hle/dsp.h" -#include "common/common_types.h" - -namespace DSP { -namespace HLE { - -/// Preprocessing filters. There is an independent set of filters for each Source. -class SourceFilters final { -public: - SourceFilters() { - Reset(); - } - - /// Reset internal state. - void Reset(); - - /** - * Enable/Disable filters - * See also: SourceConfiguration::Configuration::simple_filter_enabled, - * SourceConfiguration::Configuration::biquad_filter_enabled. - * @param simple If true, enables the simple filter. If false, disables it. - * @param biquad If true, enables the biquad filter. If false, disables it. - */ - void Enable(bool simple, bool biquad); - - /** - * Configure simple filter. - * @param config Configuration from DSP shared memory. - */ - void Configure(SourceConfiguration::Configuration::SimpleFilter config); - - /** - * Configure biquad filter. - * @param config Configuration from DSP shared memory. - */ - void Configure(SourceConfiguration::Configuration::BiquadFilter config); - - /** - * Processes a frame in-place. - * @param frame Audio samples to process. Modified in-place. - */ - void ProcessFrame(StereoFrame16& frame); - -private: - bool simple_filter_enabled; - bool biquad_filter_enabled; - - struct SimpleFilter { - SimpleFilter() { - Reset(); - } - - /// Resets internal state. - void Reset(); - - /** - * Configures this filter with application settings. - * @param config Configuration from DSP shared memory. - */ - void Configure(SourceConfiguration::Configuration::SimpleFilter config); - - /** - * Processes a single stereo PCM16 sample. - * @param x0 Input sample - * @return Output sample - */ - std::array<s16, 2> ProcessSample(const std::array<s16, 2>& x0); - - private: - // Configuration - s32 a1, b0; - // Internal state - std::array<s16, 2> y1; - } simple_filter; - - struct BiquadFilter { - BiquadFilter() { - Reset(); - } - - /// Resets internal state. - void Reset(); - - /** - * Configures this filter with application settings. - * @param config Configuration from DSP shared memory. - */ - void Configure(SourceConfiguration::Configuration::BiquadFilter config); - - /** - * Processes a single stereo PCM16 sample. - * @param x0 Input sample - * @return Output sample - */ - std::array<s16, 2> ProcessSample(const std::array<s16, 2>& x0); - - private: - // Configuration - s32 a1, a2, b0, b1, b2; - // Internal state - std::array<s16, 2> x1; - std::array<s16, 2> x2; - std::array<s16, 2> y1; - std::array<s16, 2> y2; - } biquad_filter; -}; - -} // namespace HLE -} // namespace DSP |