1
0
Fork 0
forked from suyu/suyu

Merge pull request #1902 from lioncash/audio

audio_core: Make g_sink_details internally linked
This commit is contained in:
bunnei 2018-12-14 21:48:17 -05:00 committed by GitHub
commit b88430c299
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
7 changed files with 58 additions and 36 deletions

View file

@ -30,8 +30,7 @@ static Stream::Format ChannelsToStreamFormat(u32 num_channels) {
StreamPtr AudioOut::OpenStream(u32 sample_rate, u32 num_channels, std::string&& name,
Stream::ReleaseCallback&& release_callback) {
if (!sink) {
const SinkDetails& sink_details = GetSinkDetails(Settings::values.sink_id);
sink = sink_details.factory(Settings::values.audio_device_id);
sink = CreateSinkFromID(Settings::values.sink_id, Settings::values.audio_device_id);
}
return std::make_shared<Stream>(

View file

@ -107,7 +107,7 @@ private:
static void StateCallback(cubeb_stream* stream, void* user_data, cubeb_state state);
};
CubebSink::CubebSink(std::string target_device_name) {
CubebSink::CubebSink(std::string_view target_device_name) {
if (cubeb_init(&ctx, "yuzu", nullptr) != CUBEB_OK) {
LOG_CRITICAL(Audio_Sink, "cubeb_init failed");
return;

View file

@ -15,7 +15,7 @@ namespace AudioCore {
class CubebSink final : public Sink {
public:
explicit CubebSink(std::string device_id);
explicit CubebSink(std::string_view device_id);
~CubebSink() override;
SinkStream& AcquireSinkStream(u32 sample_rate, u32 num_channels,

View file

@ -10,7 +10,7 @@ namespace AudioCore {
class NullSink final : public Sink {
public:
explicit NullSink(std::string){};
explicit NullSink(std::string_view) {}
~NullSink() override = default;
SinkStream& AcquireSinkStream(u32 /*sample_rate*/, u32 /*num_channels*/,

View file

@ -14,31 +14,68 @@
#include "common/logging/log.h"
namespace AudioCore {
namespace {
struct SinkDetails {
using FactoryFn = std::unique_ptr<Sink> (*)(std::string_view);
using ListDevicesFn = std::vector<std::string> (*)();
// g_sink_details is ordered in terms of desirability, with the best choice at the top.
const std::vector<SinkDetails> g_sink_details = {
/// Name for this sink.
const char* id;
/// A method to call to construct an instance of this type of sink.
FactoryFn factory;
/// A method to call to list available devices.
ListDevicesFn list_devices;
};
// sink_details is ordered in terms of desirability, with the best choice at the top.
constexpr SinkDetails sink_details[] = {
#ifdef HAVE_CUBEB
SinkDetails{"cubeb", &std::make_unique<CubebSink, std::string>, &ListCubebSinkDevices},
SinkDetails{"cubeb",
[](std::string_view device_id) -> std::unique_ptr<Sink> {
return std::make_unique<CubebSink>(device_id);
},
&ListCubebSinkDevices},
#endif
SinkDetails{"null", &std::make_unique<NullSink, std::string>,
SinkDetails{"null",
[](std::string_view device_id) -> std::unique_ptr<Sink> {
return std::make_unique<NullSink>(device_id);
},
[] { return std::vector<std::string>{"null"}; }},
};
const SinkDetails& GetSinkDetails(std::string_view sink_id) {
auto iter =
std::find_if(g_sink_details.begin(), g_sink_details.end(),
std::find_if(std::begin(sink_details), std::end(sink_details),
[sink_id](const auto& sink_detail) { return sink_detail.id == sink_id; });
if (sink_id == "auto" || iter == g_sink_details.end()) {
if (sink_id == "auto" || iter == std::end(sink_details)) {
if (sink_id != "auto") {
LOG_ERROR(Audio, "AudioCore::SelectSink given invalid sink_id {}", sink_id);
}
// Auto-select.
// g_sink_details is ordered in terms of desirability, with the best choice at the front.
iter = g_sink_details.begin();
// sink_details is ordered in terms of desirability, with the best choice at the front.
iter = std::begin(sink_details);
}
return *iter;
}
} // Anonymous namespace
std::vector<const char*> GetSinkIDs() {
std::vector<const char*> sink_ids(std::size(sink_details));
std::transform(std::begin(sink_details), std::end(sink_details), std::begin(sink_ids),
[](const auto& sink) { return sink.id; });
return sink_ids;
}
std::vector<std::string> GetDeviceListForSink(std::string_view sink_id) {
return GetSinkDetails(sink_id).list_devices();
}
std::unique_ptr<Sink> CreateSinkFromID(std::string_view sink_id, std::string_view device_id) {
return GetSinkDetails(sink_id).factory(device_id);
}
} // namespace AudioCore

View file

@ -4,34 +4,21 @@
#pragma once
#include <functional>
#include <memory>
#include <string>
#include <string_view>
#include <utility>
#include <vector>
namespace AudioCore {
class Sink;
struct SinkDetails {
using FactoryFn = std::function<std::unique_ptr<Sink>(std::string)>;
using ListDevicesFn = std::function<std::vector<std::string>()>;
/// Retrieves the IDs for all available audio sinks.
std::vector<const char*> GetSinkIDs();
SinkDetails(const char* id_, FactoryFn factory_, ListDevicesFn list_devices_)
: id(id_), factory(std::move(factory_)), list_devices(std::move(list_devices_)) {}
/// Gets the list of devices for a particular sink identified by the given ID.
std::vector<std::string> GetDeviceListForSink(std::string_view sink_id);
/// Name for this sink.
const char* id;
/// A method to call to construct an instance of this type of sink.
FactoryFn factory;
/// A method to call to list available devices.
ListDevicesFn list_devices;
};
extern const std::vector<SinkDetails> g_sink_details;
const SinkDetails& GetSinkDetails(std::string_view sink_id);
/// Creates an audio sink identified by the given device ID.
std::unique_ptr<Sink> CreateSinkFromID(std::string_view sink_id, std::string_view device_id);
} // namespace AudioCore

View file

@ -17,8 +17,8 @@ ConfigureAudio::ConfigureAudio(QWidget* parent)
ui->output_sink_combo_box->clear();
ui->output_sink_combo_box->addItem("auto");
for (const auto& sink_detail : AudioCore::g_sink_details) {
ui->output_sink_combo_box->addItem(sink_detail.id);
for (const char* id : AudioCore::GetSinkIDs()) {
ui->output_sink_combo_box->addItem(id);
}
connect(ui->volume_slider, &QSlider::valueChanged, this,
@ -97,8 +97,7 @@ void ConfigureAudio::updateAudioDevices(int sink_index) {
ui->audio_device_combo_box->addItem(AudioCore::auto_device_name);
const std::string sink_id = ui->output_sink_combo_box->itemText(sink_index).toStdString();
const std::vector<std::string> device_list = AudioCore::GetSinkDetails(sink_id).list_devices();
for (const auto& device : device_list) {
for (const auto& device : AudioCore::GetDeviceListForSink(sink_id)) {
ui->audio_device_combo_box->addItem(QString::fromStdString(device));
}
}