Massive removal of unused modules

1 files changed, 0 insertions, 172 deletions

diff --git a/src/audio_core/hle/dsp.cpp b/src/audio_core/hle/dsp.cpp
deleted file mode 100644
index 260b182ed..000000000
--- a/src/audio_core/hle/dsp.cpp
+++ /dev/null
@@ -1,172 +0,0 @@
-// Copyright 2016 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <array>
-#include <memory>
-#include "audio_core/hle/dsp.h"
-#include "audio_core/hle/mixers.h"
-#include "audio_core/hle/pipe.h"
-#include "audio_core/hle/source.h"
-#include "audio_core/sink.h"
-#include "audio_core/time_stretch.h"
-
-namespace DSP {
-namespace HLE {
-
-// Region management
-
-DspMemory g_dsp_memory;
-
-static size_t CurrentRegionIndex() {
-    // The region with the higher frame counter is chosen unless there is wraparound.
-    // This function only returns a 0 or 1.
-    u16 frame_counter_0 = g_dsp_memory.region_0.frame_counter;
-    u16 frame_counter_1 = g_dsp_memory.region_1.frame_counter;
-
-    if (frame_counter_0 == 0xFFFFu && frame_counter_1 != 0xFFFEu) {
-        // Wraparound has occurred.
-        return 1;
-    }
-
-    if (frame_counter_1 == 0xFFFFu && frame_counter_0 != 0xFFFEu) {
-        // Wraparound has occurred.
-        return 0;
-    }
-
-    return (frame_counter_0 > frame_counter_1) ? 0 : 1;
-}
-
-static SharedMemory& ReadRegion() {
-    return CurrentRegionIndex() == 0 ? g_dsp_memory.region_0 : g_dsp_memory.region_1;
-}
-
-static SharedMemory& WriteRegion() {
-    return CurrentRegionIndex() != 0 ? g_dsp_memory.region_0 : g_dsp_memory.region_1;
-}
-
-// Audio processing and mixing
-
-static std::array<Source, num_sources> sources = {
-    Source(0),  Source(1),  Source(2),  Source(3),  Source(4),  Source(5),  Source(6),  Source(7),
-    Source(8),  Source(9),  Source(10), Source(11), Source(12), Source(13), Source(14), Source(15),
-    Source(16), Source(17), Source(18), Source(19), Source(20), Source(21), Source(22), Source(23),
-};
-static Mixers mixers;
-
-static StereoFrame16 GenerateCurrentFrame() {
-    SharedMemory& read = ReadRegion();
-    SharedMemory& write = WriteRegion();
-
-    std::array<QuadFrame32, 3> intermediate_mixes = {};
-
-    // Generate intermediate mixes
-    for (size_t i = 0; i < num_sources; i++) {
-        write.source_statuses.status[i] =
-            sources[i].Tick(read.source_configurations.config[i], read.adpcm_coefficients.coeff[i]);
-        for (size_t mix = 0; mix < 3; mix++) {
-            sources[i].MixInto(intermediate_mixes[mix], mix);
-        }
-    }
-
-    // Generate final mix
-    write.dsp_status = mixers.Tick(read.dsp_configuration, read.intermediate_mix_samples,
-                                   write.intermediate_mix_samples, intermediate_mixes);
-
-    StereoFrame16 output_frame = mixers.GetOutput();
-
-    // Write current output frame to the shared memory region
-    for (size_t samplei = 0; samplei < output_frame.size(); samplei++) {
-        for (size_t channeli = 0; channeli < output_frame[0].size(); channeli++) {
-            write.final_samples.pcm16[samplei][channeli] = s16_le(output_frame[samplei][channeli]);
-        }
-    }
-
-    return output_frame;
-}
-
-// Audio output
-
-static bool perform_time_stretching = true;
-static std::unique_ptr<AudioCore::Sink> sink;
-static AudioCore::TimeStretcher time_stretcher;
-
-static void FlushResidualStretcherAudio() {
-    time_stretcher.Flush();
-    while (true) {
-        std::vector<s16> residual_audio = time_stretcher.Process(sink->SamplesInQueue());
-        if (residual_audio.empty())
-            break;
-        sink->EnqueueSamples(residual_audio.data(), residual_audio.size() / 2);
-    }
-}
-
-static void OutputCurrentFrame(const StereoFrame16& frame) {
-    if (perform_time_stretching) {
-        time_stretcher.AddSamples(&frame[0][0], frame.size());
-        std::vector<s16> stretched_samples = time_stretcher.Process(sink->SamplesInQueue());
-        sink->EnqueueSamples(stretched_samples.data(), stretched_samples.size() / 2);
-    } else {
-        constexpr size_t maximum_sample_latency = 2048; // about 64 miliseconds
-        if (sink->SamplesInQueue() > maximum_sample_latency) {
-            // This can occur if we're running too fast and samples are starting to back up.
-            // Just drop the samples.
-            return;
-        }
-
-        sink->EnqueueSamples(&frame[0][0], frame.size());
-    }
-}
-
-void EnableStretching(bool enable) {
-    if (perform_time_stretching == enable)
-        return;
-
-    if (!enable) {
-        FlushResidualStretcherAudio();
-    }
-    perform_time_stretching = enable;
-}
-
-// Public Interface
-
-void Init() {
-    DSP::HLE::ResetPipes();
-
-    for (auto& source : sources) {
-        source.Reset();
-    }
-
-    mixers.Reset();
-
-    time_stretcher.Reset();
-    if (sink) {
-        time_stretcher.SetOutputSampleRate(sink->GetNativeSampleRate());
-    }
-}
-
-void Shutdown() {
-    if (perform_time_stretching) {
-        FlushResidualStretcherAudio();
-    }
-}
-
-bool Tick() {
-    StereoFrame16 current_frame = {};
-
-    // TODO: Check dsp::DSP semaphore (which indicates emulated application has finished writing to
-    // shared memory region)
-    current_frame = GenerateCurrentFrame();
-
-    OutputCurrentFrame(current_frame);
-
-    return true;
-}
-
-void SetSink(std::unique_ptr<AudioCore::Sink> sink_) {
-    sink = std::move(sink_);
-    time_stretcher.SetOutputSampleRate(sink->GetNativeSampleRate());
-}
-
-} // namespace HLE
-} // namespace DSP