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-rw-r--r--src/audio_core/stream.cpp175
1 files changed, 0 insertions, 175 deletions
diff --git a/src/audio_core/stream.cpp b/src/audio_core/stream.cpp
deleted file mode 100644
index cf3d94c53..000000000
--- a/src/audio_core/stream.cpp
+++ /dev/null
@@ -1,175 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#include <algorithm>
-#include <cmath>
-
-#include "audio_core/sink.h"
-#include "audio_core/sink_details.h"
-#include "audio_core/sink_stream.h"
-#include "audio_core/stream.h"
-#include "common/assert.h"
-#include "common/logging/log.h"
-#include "common/settings.h"
-#include "core/core_timing.h"
-
-namespace AudioCore {
-
-constexpr std::size_t MaxAudioBufferCount{32};
-
-u32 Stream::GetNumChannels() const {
- switch (format) {
- case Format::Mono16:
- return 1;
- case Format::Stereo16:
- return 2;
- case Format::Multi51Channel16:
- return 6;
- }
- UNIMPLEMENTED_MSG("Unimplemented format={}", static_cast<u32>(format));
- return {};
-}
-
-Stream::Stream(Core::Timing::CoreTiming& core_timing_, u32 sample_rate_, Format format_,
- ReleaseCallback&& release_callback_, SinkStream& sink_stream_, std::string&& name_)
- : sample_rate{sample_rate_}, format{format_}, release_callback{std::move(release_callback_)},
- sink_stream{sink_stream_}, core_timing{core_timing_}, name{std::move(name_)} {
- release_event = Core::Timing::CreateEvent(
- name, [this](std::uintptr_t, s64 time, std::chrono::nanoseconds ns_late) {
- ReleaseActiveBuffer(ns_late);
- return std::nullopt;
- });
-}
-
-void Stream::Play() {
- state = State::Playing;
- PlayNextBuffer();
-}
-
-void Stream::Stop() {
- state = State::Stopped;
- UNIMPLEMENTED();
-}
-
-bool Stream::Flush() {
- const bool had_buffers = !queued_buffers.empty();
- while (!queued_buffers.empty()) {
- queued_buffers.pop();
- }
- return had_buffers;
-}
-
-void Stream::SetVolume(float volume) {
- game_volume = volume;
-}
-
-Stream::State Stream::GetState() const {
- return state;
-}
-
-std::chrono::nanoseconds Stream::GetBufferReleaseNS(const Buffer& buffer) const {
- const std::size_t num_samples{buffer.GetSamples().size() / GetNumChannels()};
- return std::chrono::nanoseconds((static_cast<u64>(num_samples) * 1000000000ULL) / sample_rate);
-}
-
-static void VolumeAdjustSamples(std::vector<s16>& samples, float game_volume) {
- const float volume{std::clamp(Settings::Volume() - (1.0f - game_volume), 0.0f, 1.0f)};
-
- if (volume == 1.0f) {
- return;
- }
-
- // Perceived volume is not the same as the volume level
- const float volume_scale_factor = (0.85f * ((volume * volume) - volume)) + volume;
- for (auto& sample : samples) {
- sample = static_cast<s16>(sample * volume_scale_factor);
- }
-}
-
-void Stream::PlayNextBuffer(std::chrono::nanoseconds ns_late) {
- if (!IsPlaying()) {
- // Ensure we are in playing state before playing the next buffer
- sink_stream.Flush();
- return;
- }
-
- if (active_buffer) {
- // Do not queue a new buffer if we are already playing a buffer
- return;
- }
-
- if (queued_buffers.empty()) {
- // No queued buffers - we are effectively paused
- sink_stream.Flush();
- return;
- }
-
- active_buffer = queued_buffers.front();
- queued_buffers.pop();
-
- auto& samples = active_buffer->GetSamples();
-
- VolumeAdjustSamples(samples, game_volume);
-
- sink_stream.EnqueueSamples(GetNumChannels(), samples);
- played_samples += samples.size();
-
- const auto buffer_release_ns = GetBufferReleaseNS(*active_buffer);
-
- // If ns_late is higher than the update rate ignore the delay
- if (ns_late > buffer_release_ns) {
- ns_late = {};
- }
-
- core_timing.ScheduleEvent(buffer_release_ns - ns_late, release_event, {});
-}
-
-void Stream::ReleaseActiveBuffer(std::chrono::nanoseconds ns_late) {
- ASSERT(active_buffer);
- released_buffers.push(std::move(active_buffer));
- release_callback();
- PlayNextBuffer(ns_late);
-}
-
-bool Stream::QueueBuffer(BufferPtr&& buffer) {
- if (queued_buffers.size() < MaxAudioBufferCount) {
- queued_buffers.push(std::move(buffer));
- PlayNextBuffer();
- return true;
- }
- return false;
-}
-
-bool Stream::ContainsBuffer([[maybe_unused]] Buffer::Tag tag) const {
- UNIMPLEMENTED();
- return {};
-}
-
-std::vector<Buffer::Tag> Stream::GetTagsAndReleaseBuffers(std::size_t max_count) {
- std::vector<Buffer::Tag> tags;
- for (std::size_t count = 0; count < max_count && !released_buffers.empty(); ++count) {
- if (released_buffers.front()) {
- tags.push_back(released_buffers.front()->GetTag());
- } else {
- ASSERT_MSG(false, "Invalid tag in released_buffers!");
- }
- released_buffers.pop();
- }
- return tags;
-}
-
-std::vector<Buffer::Tag> Stream::GetTagsAndReleaseBuffers() {
- std::vector<Buffer::Tag> tags;
- tags.reserve(released_buffers.size());
- while (!released_buffers.empty()) {
- if (released_buffers.front()) {
- tags.push_back(released_buffers.front()->GetTag());
- } else {
- ASSERT_MSG(false, "Invalid tag in released_buffers!");
- }
- released_buffers.pop();
- }
- return tags;
-}
-
-} // namespace AudioCore