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-rw-r--r--CMakeLists.txt2
-rw-r--r--externals/CMakeLists.txt6
-rw-r--r--src/audio_core/CMakeLists.txt7
-rw-r--r--src/audio_core/audio_out.cpp13
-rw-r--r--src/audio_core/audio_out.h2
-rw-r--r--src/audio_core/cubeb_sink.cpp190
-rw-r--r--src/audio_core/cubeb_sink.h31
-rw-r--r--src/audio_core/sink_details.cpp6
-rw-r--r--src/audio_core/stream.cpp11
-rw-r--r--src/audio_core/stream.h7
10 files changed, 269 insertions, 6 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 86d2423ed..3639b623c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,6 +17,8 @@ CMAKE_DEPENDENT_OPTION(YUZU_USE_BUNDLED_QT "Download bundled Qt binaries" ON "EN
option(YUZU_USE_BUNDLED_UNICORN "Build/Download bundled Unicorn" ON)
+option(ENABLE_CUBEB "Enables the cubeb audio backend" ON)
+
if(NOT EXISTS ${CMAKE_SOURCE_DIR}/.git/hooks/pre-commit)
message(STATUS "Copying pre-commit hook")
file(COPY hooks/pre-commit
diff --git a/externals/CMakeLists.txt b/externals/CMakeLists.txt
index e51671cb8..4636761e5 100644
--- a/externals/CMakeLists.txt
+++ b/externals/CMakeLists.txt
@@ -54,3 +54,9 @@ endif()
# Opus
add_subdirectory(opus)
target_include_directories(opus INTERFACE ./opus/include)
+
+# Cubeb
+if(ENABLE_CUBEB)
+ set(BUILD_TESTS OFF CACHE BOOL "")
+ add_subdirectory(cubeb)
+endif()
diff --git a/src/audio_core/CMakeLists.txt b/src/audio_core/CMakeLists.txt
index 6bc8f586a..81121167d 100644
--- a/src/audio_core/CMakeLists.txt
+++ b/src/audio_core/CMakeLists.txt
@@ -2,6 +2,8 @@ add_library(audio_core STATIC
audio_out.cpp
audio_out.h
buffer.h
+ cubeb_sink.cpp
+ cubeb_sink.h
null_sink.h
stream.cpp
stream.h
@@ -14,3 +16,8 @@ add_library(audio_core STATIC
create_target_directory_groups(audio_core)
target_link_libraries(audio_core PUBLIC common core)
+
+if(ENABLE_CUBEB)
+ target_link_libraries(audio_core PRIVATE cubeb)
+ target_compile_definitions(audio_core PRIVATE -DHAVE_CUBEB=1)
+endif()
diff --git a/src/audio_core/audio_out.cpp b/src/audio_core/audio_out.cpp
index 43414f197..77cedb6ba 100644
--- a/src/audio_core/audio_out.cpp
+++ b/src/audio_core/audio_out.cpp
@@ -3,6 +3,8 @@
// Refer to the license.txt file included.
#include "audio_core/audio_out.h"
+#include "audio_core/sink.h"
+#include "audio_core/sink_details.h"
#include "common/assert.h"
#include "common/logging/log.h"
@@ -26,9 +28,14 @@ static Stream::Format ChannelsToStreamFormat(u32 num_channels) {
StreamPtr AudioOut::OpenStream(u32 sample_rate, u32 num_channels,
Stream::ReleaseCallback&& release_callback) {
- streams.push_back(std::make_shared<Stream>(sample_rate, ChannelsToStreamFormat(num_channels),
- std::move(release_callback)));
- return streams.back();
+ if (!sink) {
+ const SinkDetails& sink_details = GetSinkDetails("auto");
+ sink = sink_details.factory("");
+ }
+
+ return std::make_shared<Stream>(sample_rate, ChannelsToStreamFormat(num_channels),
+ std::move(release_callback),
+ sink->AcquireSinkStream(sample_rate, num_channels));
}
std::vector<u64> AudioOut::GetTagsAndReleaseBuffers(StreamPtr stream, size_t max_count) {
diff --git a/src/audio_core/audio_out.h b/src/audio_core/audio_out.h
index 962360d09..8d9b695d4 100644
--- a/src/audio_core/audio_out.h
+++ b/src/audio_core/audio_out.h
@@ -8,6 +8,7 @@
#include <vector>
#include "audio_core/buffer.h"
+#include "audio_core/sink.h"
#include "audio_core/stream.h"
#include "common/common_types.h"
@@ -36,7 +37,6 @@ public:
private:
SinkPtr sink;
- std::vector<StreamPtr> streams;
};
} // namespace AudioCore
diff --git a/src/audio_core/cubeb_sink.cpp b/src/audio_core/cubeb_sink.cpp
new file mode 100644
index 000000000..34ae5b062
--- /dev/null
+++ b/src/audio_core/cubeb_sink.cpp
@@ -0,0 +1,190 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <cstring>
+
+#include "audio_core/cubeb_sink.h"
+#include "audio_core/stream.h"
+#include "common/logging/log.h"
+
+namespace AudioCore {
+
+class SinkStreamImpl final : public SinkStream {
+public:
+ SinkStreamImpl(cubeb* ctx, cubeb_devid output_device) : ctx{ctx} {
+ cubeb_stream_params params;
+ params.rate = 48000;
+ params.channels = GetNumChannels();
+ params.format = CUBEB_SAMPLE_S16NE;
+ params.layout = CUBEB_LAYOUT_STEREO;
+
+ u32 minimum_latency = 0;
+ if (cubeb_get_min_latency(ctx, &params, &minimum_latency) != CUBEB_OK) {
+ LOG_CRITICAL(Audio_Sink, "Error getting minimum latency");
+ }
+
+ if (cubeb_stream_init(ctx, &stream_backend, "yuzu Audio Output", nullptr, nullptr,
+ output_device, &params, std::max(512u, minimum_latency),
+ &SinkStreamImpl::DataCallback, &SinkStreamImpl::StateCallback,
+ this) != CUBEB_OK) {
+ LOG_CRITICAL(Audio_Sink, "Error initializing cubeb stream");
+ return;
+ }
+
+ if (cubeb_stream_start(stream_backend) != CUBEB_OK) {
+ LOG_CRITICAL(Audio_Sink, "Error starting cubeb stream");
+ return;
+ }
+ }
+
+ ~SinkStreamImpl() {
+ if (!ctx) {
+ return;
+ }
+
+ if (cubeb_stream_stop(stream_backend) != CUBEB_OK) {
+ LOG_CRITICAL(Audio_Sink, "Error stopping cubeb stream");
+ }
+
+ cubeb_stream_destroy(stream_backend);
+ }
+
+ void EnqueueSamples(u32 num_channels, const s16* samples, size_t sample_count) override {
+ if (!ctx) {
+ return;
+ }
+
+ queue.reserve(queue.size() + sample_count * GetNumChannels());
+
+ if (num_channels == 2) {
+ // Copy as-is
+ std::copy(samples, samples + sample_count * GetNumChannels(),
+ std::back_inserter(queue));
+ } else if (num_channels == 6) {
+ // Downsample 6 channels to 2
+ const size_t sample_count_copy_size = sample_count * num_channels * 2;
+ queue.reserve(sample_count_copy_size);
+ for (size_t i = 0; i < sample_count * num_channels; i += num_channels) {
+ queue.push_back(samples[i]);
+ queue.push_back(samples[i + 1]);
+ }
+ } else {
+ ASSERT_MSG(false, "Unimplemented");
+ }
+ }
+
+ u32 GetNumChannels() const {
+ // Only support 2-channel stereo output for now
+ return 2;
+ }
+
+private:
+ std::vector<std::string> device_list;
+
+ cubeb* ctx{};
+ cubeb_stream* stream_backend{};
+
+ std::vector<s16> queue;
+
+ static long DataCallback(cubeb_stream* stream, void* user_data, const void* input_buffer,
+ void* output_buffer, long num_frames);
+ static void StateCallback(cubeb_stream* stream, void* user_data, cubeb_state state);
+};
+
+CubebSink::CubebSink(std::string target_device_name) {
+ if (cubeb_init(&ctx, "yuzu", nullptr) != CUBEB_OK) {
+ LOG_CRITICAL(Audio_Sink, "cubeb_init failed");
+ return;
+ }
+
+ if (target_device_name != auto_device_name && !target_device_name.empty()) {
+ cubeb_device_collection collection;
+ if (cubeb_enumerate_devices(ctx, CUBEB_DEVICE_TYPE_OUTPUT, &collection) != CUBEB_OK) {
+ LOG_WARNING(Audio_Sink, "Audio output device enumeration not supported");
+ } else {
+ const auto collection_end{collection.device + collection.count};
+ const auto device{std::find_if(collection.device, collection_end,
+ [&](const cubeb_device_info& device) {
+ return target_device_name == device.friendly_name;
+ })};
+ if (device != collection_end) {
+ output_device = device->devid;
+ }
+ cubeb_device_collection_destroy(ctx, &collection);
+ }
+ }
+}
+
+CubebSink::~CubebSink() {
+ if (!ctx) {
+ return;
+ }
+
+ for (auto& sink_stream : sink_streams) {
+ sink_stream.reset();
+ }
+
+ cubeb_destroy(ctx);
+}
+
+SinkStream& CubebSink::AcquireSinkStream(u32 sample_rate, u32 num_channels) {
+ sink_streams.push_back(std::make_unique<SinkStreamImpl>(ctx, output_device));
+ return *sink_streams.back();
+}
+
+long SinkStreamImpl::DataCallback(cubeb_stream* stream, void* user_data, const void* input_buffer,
+ void* output_buffer, long num_frames) {
+ SinkStreamImpl* impl = static_cast<SinkStreamImpl*>(user_data);
+ u8* buffer = reinterpret_cast<u8*>(output_buffer);
+
+ if (!impl) {
+ return {};
+ }
+
+ const size_t frames_to_write{
+ std::min(impl->queue.size() / impl->GetNumChannels(), static_cast<size_t>(num_frames))};
+
+ memcpy(buffer, impl->queue.data(), frames_to_write * sizeof(s16) * impl->GetNumChannels());
+ impl->queue.erase(impl->queue.begin(),
+ impl->queue.begin() + frames_to_write * impl->GetNumChannels());
+
+ if (frames_to_write < num_frames) {
+ // Fill the rest of the frames with silence
+ memset(buffer + frames_to_write * sizeof(s16) * impl->GetNumChannels(), 0,
+ (num_frames - frames_to_write) * sizeof(s16) * impl->GetNumChannels());
+ }
+
+ return num_frames;
+}
+
+void SinkStreamImpl::StateCallback(cubeb_stream* stream, void* user_data, cubeb_state state) {}
+
+std::vector<std::string> ListCubebSinkDevices() {
+ std::vector<std::string> device_list;
+ cubeb* ctx;
+
+ if (cubeb_init(&ctx, "Citra Device Enumerator", nullptr) != CUBEB_OK) {
+ LOG_CRITICAL(Audio_Sink, "cubeb_init failed");
+ return {};
+ }
+
+ cubeb_device_collection collection;
+ if (cubeb_enumerate_devices(ctx, CUBEB_DEVICE_TYPE_OUTPUT, &collection) != CUBEB_OK) {
+ LOG_WARNING(Audio_Sink, "Audio output device enumeration not supported");
+ } else {
+ for (size_t i = 0; i < collection.count; i++) {
+ const cubeb_device_info& device = collection.device[i];
+ if (device.friendly_name) {
+ device_list.emplace_back(device.friendly_name);
+ }
+ }
+ cubeb_device_collection_destroy(ctx, &collection);
+ }
+
+ cubeb_destroy(ctx);
+ return device_list;
+}
+
+} // namespace AudioCore
diff --git a/src/audio_core/cubeb_sink.h b/src/audio_core/cubeb_sink.h
new file mode 100644
index 000000000..d07113f1f
--- /dev/null
+++ b/src/audio_core/cubeb_sink.h
@@ -0,0 +1,31 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <string>
+#include <vector>
+
+#include <cubeb/cubeb.h>
+
+#include "audio_core/sink.h"
+
+namespace AudioCore {
+
+class CubebSink final : public Sink {
+public:
+ explicit CubebSink(std::string device_id);
+ ~CubebSink() override;
+
+ SinkStream& AcquireSinkStream(u32 sample_rate, u32 num_channels) override;
+
+private:
+ cubeb* ctx{};
+ cubeb_devid output_device{};
+ std::vector<SinkStreamPtr> sink_streams;
+};
+
+std::vector<std::string> ListCubebSinkDevices();
+
+} // namespace AudioCore
diff --git a/src/audio_core/sink_details.cpp b/src/audio_core/sink_details.cpp
index 6396d8065..955ba20fb 100644
--- a/src/audio_core/sink_details.cpp
+++ b/src/audio_core/sink_details.cpp
@@ -8,12 +8,18 @@
#include <vector>
#include "audio_core/null_sink.h"
#include "audio_core/sink_details.h"
+#ifdef HAVE_CUBEB
+#include "audio_core/cubeb_sink.h"
+#endif
#include "common/logging/log.h"
namespace AudioCore {
// g_sink_details is ordered in terms of desirability, with the best choice at the top.
const std::vector<SinkDetails> g_sink_details = {
+#ifdef HAVE_CUBEB
+ SinkDetails{"cubeb", &std::make_unique<CubebSink, std::string>, &ListCubebSinkDevices},
+#endif
SinkDetails{"null", &std::make_unique<NullSink, std::string>,
[] { return std::vector<std::string>{"null"}; }},
};
diff --git a/src/audio_core/stream.cpp b/src/audio_core/stream.cpp
index 63edc6c8d..689f51a1d 100644
--- a/src/audio_core/stream.cpp
+++ b/src/audio_core/stream.cpp
@@ -7,6 +7,8 @@
#include "core/core_timing.h"
#include "core/core_timing_util.h"
+#include "audio_core/sink.h"
+#include "audio_core/sink_details.h"
#include "audio_core/stream.h"
namespace AudioCore {
@@ -31,6 +33,11 @@ u32 Stream::GetSampleSize() const {
return GetNumChannels() * 2;
}
+Stream::Stream(u32 sample_rate, Format format, ReleaseCallback&& release_callback,
+ SinkStream& sink_stream)
+ : sample_rate{sample_rate}, format{format}, release_callback{std::move(release_callback)},
+ sink_stream{sink_stream} {
+
release_event = CoreTiming::RegisterEvent(
"Stream::Release", [this](u64 userdata, int cycles_late) { ReleaseActiveBuffer(); });
}
@@ -68,6 +75,10 @@ void Stream::PlayNextBuffer() {
active_buffer = queued_buffers.front();
queued_buffers.pop();
+ sink_stream.EnqueueSamples(GetNumChannels(),
+ reinterpret_cast<const s16*>(active_buffer->GetData().data()),
+ active_buffer->GetData().size() / GetSampleSize());
+
CoreTiming::ScheduleEventThreadsafe(GetBufferReleaseCycles(*active_buffer), release_event, {});
}
diff --git a/src/audio_core/stream.h b/src/audio_core/stream.h
index 5c1005899..35253920e 100644
--- a/src/audio_core/stream.h
+++ b/src/audio_core/stream.h
@@ -10,6 +10,7 @@
#include <queue>
#include "audio_core/buffer.h"
+#include "audio_core/sink_stream.h"
#include "common/assert.h"
#include "common/common_types.h"
#include "core/core_timing.h"
@@ -31,7 +32,8 @@ public:
/// Callback function type, used to change guest state on a buffer being released
using ReleaseCallback = std::function<void()>;
- Stream(int sample_rate, Format format, ReleaseCallback&& release_callback);
+ Stream(u32 sample_rate, Format format, ReleaseCallback&& release_callback,
+ SinkStream& sink_stream);
/// Plays the audio stream
void Play();
@@ -85,7 +87,7 @@ private:
/// Gets the number of core cycles when the specified buffer will be released
s64 GetBufferReleaseCycles(const Buffer& buffer) const;
- int sample_rate; ///< Sample rate of the stream
+ u32 sample_rate; ///< Sample rate of the stream
Format format; ///< Format of the stream
ReleaseCallback release_callback; ///< Buffer release callback for the stream
State state{State::Stopped}; ///< Playback state of the stream
@@ -93,6 +95,7 @@ private:
BufferPtr active_buffer; ///< Actively playing buffer in the stream
std::queue<BufferPtr> queued_buffers; ///< Buffers queued to be played in the stream
std::queue<BufferPtr> released_buffers; ///< Buffers recently released from the stream
+ SinkStream& sink_stream; ///< Output sink for the stream
};
using StreamPtr = std::shared_ptr<Stream>;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 05:16:24 +0100