Project Andio

1 files changed, 0 insertions, 160 deletions

diff --git a/src/audio_core/sdl2_sink.cpp b/src/audio_core/sdl2_sink.cpp
deleted file mode 100644
index a10ba4044..000000000
--- a/src/audio_core/sdl2_sink.cpp
+++ /dev/null
@@ -1,160 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#include <algorithm>
-#include <atomic>
-#include <cstring>
-#include "audio_core/sdl2_sink.h"
-#include "audio_core/stream.h"
-#include "common/assert.h"
-#include "common/logging/log.h"
-//#include "common/settings.h"
-
-// Ignore -Wimplicit-fallthrough due to https://github.com/libsdl-org/SDL/issues/4307
-#ifdef __clang__
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wimplicit-fallthrough"
-#endif
-#include <SDL.h>
-#ifdef __clang__
-#pragma clang diagnostic pop
-#endif
-
-namespace AudioCore {
-
-class SDLSinkStream final : public SinkStream {
-public:
-    SDLSinkStream(u32 sample_rate, u32 num_channels_, const std::string& output_device)
-        : num_channels{std::min(num_channels_, 6u)} {
-
-        SDL_AudioSpec spec;
-        spec.freq = sample_rate;
-        spec.channels = static_cast<u8>(num_channels);
-        spec.format = AUDIO_S16SYS;
-        spec.samples = 4096;
-        spec.callback = nullptr;
-
-        SDL_AudioSpec obtained;
-        if (output_device.empty()) {
-            dev = SDL_OpenAudioDevice(nullptr, 0, &spec, &obtained, 0);
-        } else {
-            dev = SDL_OpenAudioDevice(output_device.c_str(), 0, &spec, &obtained, 0);
-        }
-
-        if (dev == 0) {
-            LOG_CRITICAL(Audio_Sink, "Error opening sdl audio device: {}", SDL_GetError());
-            return;
-        }
-
-        SDL_PauseAudioDevice(dev, 0);
-    }
-
-    ~SDLSinkStream() override {
-        if (dev == 0) {
-            return;
-        }
-
-        SDL_CloseAudioDevice(dev);
-    }
-
-    void EnqueueSamples(u32 source_num_channels, const std::vector<s16>& samples) override {
-        if (source_num_channels > num_channels) {
-            // Downsample 6 channels to 2
-            ASSERT_MSG(source_num_channels == 6, "Channel count must be 6");
-
-            std::vector<s16> buf;
-            buf.reserve(samples.size() * num_channels / source_num_channels);
-            for (std::size_t i = 0; i < samples.size(); i += source_num_channels) {
-                // Downmixing implementation taken from the ATSC standard
-                const s16 left{samples[i + 0]};
-                const s16 right{samples[i + 1]};
-                const s16 center{samples[i + 2]};
-                const s16 surround_left{samples[i + 4]};
-                const s16 surround_right{samples[i + 5]};
-                // Not used in the ATSC reference implementation
-                [[maybe_unused]] const s16 low_frequency_effects{samples[i + 3]};
-
-                constexpr s32 clev{707}; // center mixing level coefficient
-                constexpr s32 slev{707}; // surround mixing level coefficient
-
-                buf.push_back(static_cast<s16>(left + (clev * center / 1000) +
-                                               (slev * surround_left / 1000)));
-                buf.push_back(static_cast<s16>(right + (clev * center / 1000) +
-                                               (slev * surround_right / 1000)));
-            }
-            int ret = SDL_QueueAudio(dev, static_cast<const void*>(buf.data()),
-                                     static_cast<u32>(buf.size() * sizeof(s16)));
-            if (ret < 0)
-                LOG_WARNING(Audio_Sink, "Could not queue audio buffer: {}", SDL_GetError());
-            return;
-        }
-
-        int ret = SDL_QueueAudio(dev, static_cast<const void*>(samples.data()),
-                                 static_cast<u32>(samples.size() * sizeof(s16)));
-        if (ret < 0)
-            LOG_WARNING(Audio_Sink, "Could not queue audio buffer: {}", SDL_GetError());
-    }
-
-    std::size_t SamplesInQueue(u32 channel_count) const override {
-        if (dev == 0)
-            return 0;
-
-        return SDL_GetQueuedAudioSize(dev) / (channel_count * sizeof(s16));
-    }
-
-    void Flush() override {
-        should_flush = true;
-    }
-
-    u32 GetNumChannels() const {
-        return num_channels;
-    }
-
-private:
-    SDL_AudioDeviceID dev = 0;
-    u32 num_channels{};
-    std::atomic<bool> should_flush{};
-};
-
-SDLSink::SDLSink(std::string_view target_device_name) {
-    if (!SDL_WasInit(SDL_INIT_AUDIO)) {
-        if (SDL_InitSubSystem(SDL_INIT_AUDIO) < 0) {
-            LOG_CRITICAL(Audio_Sink, "SDL_InitSubSystem audio failed: {}", SDL_GetError());
-            return;
-        }
-    }
-
-    if (target_device_name != auto_device_name && !target_device_name.empty()) {
-        output_device = target_device_name;
-    } else {
-        output_device.clear();
-    }
-}
-
-SDLSink::~SDLSink() = default;
-
-SinkStream& SDLSink::AcquireSinkStream(u32 sample_rate, u32 num_channels, const std::string&) {
-    sink_streams.push_back(
-        std::make_unique<SDLSinkStream>(sample_rate, num_channels, output_device));
-    return *sink_streams.back();
-}
-
-std::vector<std::string> ListSDLSinkDevices() {
-    std::vector<std::string> device_list;
-
-    if (!SDL_WasInit(SDL_INIT_AUDIO)) {
-        if (SDL_InitSubSystem(SDL_INIT_AUDIO) < 0) {
-            LOG_CRITICAL(Audio_Sink, "SDL_InitSubSystem audio failed: {}", SDL_GetError());
-            return {};
-        }
-    }
-
-    const int device_count = SDL_GetNumAudioDevices(0);
-    for (int i = 0; i < device_count; ++i) {
-        device_list.emplace_back(SDL_GetAudioDeviceName(i, 0));
-    }
-
-    return device_list;
-}
-
-} // namespace AudioCore