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authorBilly Laws <blaws05@gmail.com>2023-03-18 21:57:00 +0100
committerBilly Laws <blaws05@gmail.com>2023-03-27 22:34:28 +0200
commitea5dd02db9bdb9759a400907672ec6606bebb96b (patch)
tree9f6f4f4662eb48ad57fe713e29f6b98778f263bf /src/audio_core
parentaudio: Interpolate system manager sample count using host sink sample info (diff)
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Diffstat (limited to 'src/audio_core')
-rw-r--r--src/audio_core/renderer/adsp/audio_renderer.cpp2
-rw-r--r--src/audio_core/renderer/adsp/audio_renderer.h1
-rw-r--r--src/audio_core/renderer/system_manager.cpp18
-rw-r--r--src/audio_core/renderer/system_manager.h7
-rw-r--r--src/audio_core/sink/sink_stream.cpp15
-rw-r--r--src/audio_core/sink/sink_stream.h9
6 files changed, 28 insertions, 24 deletions
diff --git a/src/audio_core/renderer/adsp/audio_renderer.cpp b/src/audio_core/renderer/adsp/audio_renderer.cpp
index 42b4b167a..503f40349 100644
--- a/src/audio_core/renderer/adsp/audio_renderer.cpp
+++ b/src/audio_core/renderer/adsp/audio_renderer.cpp
@@ -189,6 +189,8 @@ void AudioRenderer::ThreadFunc() {
max_time = std::min(command_buffer.time_limit, max_time);
command_list_processor.SetProcessTimeMax(max_time);
+ streams[index]->WaitFreeSpace();
+
// Process the command list
{
MICROPROFILE_SCOPE(Audio_Renderer);
diff --git a/src/audio_core/renderer/adsp/audio_renderer.h b/src/audio_core/renderer/adsp/audio_renderer.h
index 151f38c1b..f97f9401e 100644
--- a/src/audio_core/renderer/adsp/audio_renderer.h
+++ b/src/audio_core/renderer/adsp/audio_renderer.h
@@ -12,6 +12,7 @@
#include "common/common_types.h"
#include "common/reader_writer_queue.h"
#include "common/thread.h"
+#include "common/polyfill_thread.h"
namespace Core {
namespace Timing {
diff --git a/src/audio_core/renderer/system_manager.cpp b/src/audio_core/renderer/system_manager.cpp
index 9ddfa4a91..07d8ed093 100644
--- a/src/audio_core/renderer/system_manager.cpp
+++ b/src/audio_core/renderer/system_manager.cpp
@@ -17,11 +17,7 @@ MICROPROFILE_DEFINE(Audio_RenderSystemManager, "Audio", "Render System Manager",
namespace AudioCore::AudioRenderer {
SystemManager::SystemManager(Core::System& core_)
- : core{core_}, adsp{core.AudioCore().GetADSP()}, mailbox{adsp.GetRenderMailbox()},
- thread_event{Core::Timing::CreateEvent(
- "AudioRendererSystemManager", [this](std::uintptr_t, s64 time, std::chrono::nanoseconds) {
- return ThreadFunc2(time);
- })} {}
+ : core{core_}, adsp{core.AudioCore().GetADSP()}, mailbox{adsp.GetRenderMailbox()} {}
SystemManager::~SystemManager() {
Stop();
@@ -32,8 +28,6 @@ bool SystemManager::InitializeUnsafe() {
if (adsp.Start()) {
active = true;
thread = std::jthread([this](std::stop_token stop_token) { ThreadFunc(); });
- core.CoreTiming().ScheduleLoopingEvent(std::chrono::nanoseconds(0), RENDER_TIME,
- thread_event);
}
}
@@ -44,7 +38,6 @@ void SystemManager::Stop() {
if (!active) {
return;
}
- core.CoreTiming().UnscheduleEvent(thread_event, {});
active = false;
update.store(true);
update.notify_all();
@@ -110,16 +103,7 @@ void SystemManager::ThreadFunc() {
adsp.Signal();
adsp.Wait();
-
- update.wait(false);
- update.store(false);
}
}
-std::optional<std::chrono::nanoseconds> SystemManager::ThreadFunc2(s64 time) {
- update.store(true);
- update.notify_all();
- return std::nullopt;
-}
-
} // namespace AudioCore::AudioRenderer
diff --git a/src/audio_core/renderer/system_manager.h b/src/audio_core/renderer/system_manager.h
index 415ddb74f..1f0bbd8b4 100644
--- a/src/audio_core/renderer/system_manager.h
+++ b/src/audio_core/renderer/system_manager.h
@@ -68,11 +68,6 @@ private:
*/
void ThreadFunc();
- /**
- * Signalling core timing thread to run ThreadFunc.
- */
- std::optional<std::chrono::nanoseconds> ThreadFunc2(s64 time);
-
enum class StreamState {
Filling,
Steady,
@@ -95,8 +90,6 @@ private:
ADSP::ADSP& adsp;
/// AudioRenderer mailbox for communication
ADSP::AudioRenderer_Mailbox* mailbox{};
- /// Core timing event to signal main thread
- std::shared_ptr<Core::Timing::EventType> thread_event;
/// Atomic for main thread to wait on
std::atomic<bool> update{};
};
diff --git a/src/audio_core/sink/sink_stream.cpp b/src/audio_core/sink/sink_stream.cpp
index 1af96f793..a54c61845 100644
--- a/src/audio_core/sink/sink_stream.cpp
+++ b/src/audio_core/sink/sink_stream.cpp
@@ -205,6 +205,10 @@ void SinkStream::ProcessAudioOutAndRender(std::span<s16> output_buffer, std::siz
// If we're paused or going to shut down, we don't want to consume buffers as coretiming is
// paused and we'll desync, so just play silence.
if (system.IsPaused() || system.IsShuttingDown()) {
+ if (system.IsShuttingDown()) {
+ release_cv.notify_one();
+ }
+
static constexpr std::array<s16, 6> silence{};
for (size_t i = frames_written; i < num_frames; i++) {
std::memcpy(&output_buffer[i * frame_size], &silence[0], frame_size_bytes);
@@ -240,6 +244,12 @@ void SinkStream::ProcessAudioOutAndRender(std::span<s16> output_buffer, std::siz
}
// Successfully dequeued a new buffer.
queued_buffers--;
+
+ {
+ std::unique_lock lk{release_mutex};
+ }
+
+ release_cv.notify_one();
}
// Get the minimum frames available between the currently playing buffer, and the
@@ -303,4 +313,9 @@ u64 SinkStream::GetExpectedPlayedSampleCount() {
return std::min<u64>(exp_played_sample_count, max_played_sample_count);
}
+void SinkStream::WaitFreeSpace() {
+ std::unique_lock lk{release_mutex};
+ release_cv.wait(lk, [this]() { return queued_buffers < max_queue_size || system.IsShuttingDown(); });
+}
+
} // namespace AudioCore::Sink
diff --git a/src/audio_core/sink/sink_stream.h b/src/audio_core/sink/sink_stream.h
index 2340c936c..709f3b0ec 100644
--- a/src/audio_core/sink/sink_stream.h
+++ b/src/audio_core/sink/sink_stream.h
@@ -16,6 +16,7 @@
#include "common/reader_writer_queue.h"
#include "common/ring_buffer.h"
#include "common/thread.h"
+#include "common/polyfill_thread.h"
namespace Core {
class System;
@@ -219,6 +220,11 @@ public:
*/
u64 GetExpectedPlayedSampleCount();
+ /**
+ * Waits for free space in the sample ring buffer
+ */
+ void WaitFreeSpace();
+
protected:
/// Core system
Core::System& system;
@@ -258,6 +264,9 @@ private:
f32 system_volume{1.0f};
/// Set via IAudioDevice service calls
f32 device_volume{1.0f};
+ /// Signalled when ring buffer entries are consumed
+ std::condition_variable release_cv;
+ std::mutex release_mutex;
std::mutex stall_guard;
std::unique_lock<std::mutex> stalled_lock;
};