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audio_core: Implement OpenAL backend (#6450)

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Steveice10 2023-05-01 12:17:45 -07:00 • committed by GitHub
parent ce553ab995
commit 055a58f01e
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48 changed files with 1042 additions and 576 deletions
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60
src/audio_core/sink_details.cpp
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@ -14,6 +14,9 @@
#ifdef HAVE_CUBEB
#include "audio_core/cubeb_sink.h"
#endif
#ifdef HAVE_OPENAL
#include "audio_core/openal_sink.h"
#endif
#include "common/logging/log.h"
namespace AudioCore {
@ -22,8 +25,10 @@ struct SinkDetails {
using FactoryFn = std::unique_ptr<Sink> (*)(std::string_view);
using ListDevicesFn = std::vector<std::string> (*)();
/// Type of this sink.
SinkType type;
/// Name for this sink.
const char* id;
std::string_view name;
/// A method to call to construct an instance of this type of sink.
FactoryFn factory;
/// A method to call to list available devices.
@ -31,61 +36,66 @@ struct SinkDetails {
};
// sink_details is ordered in terms of desirability, with the best choice at the top.
constexpr SinkDetails sink_details[] = {
constexpr std::array sink_details = {
#ifdef HAVE_CUBEB
SinkDetails{"cubeb",
SinkDetails{SinkType::Cubeb, "Cubeb",
[](std::string_view device_id) -> std::unique_ptr<Sink> {
return std::make_unique<CubebSink>(device_id);
},
&ListCubebSinkDevices},
#endif
#ifdef HAVE_OPENAL
SinkDetails{SinkType::OpenAL, "OpenAL",
[](std::string_view device_id) -> std::unique_ptr<Sink> {
return std::make_unique<OpenALSink>(std::string(device_id));
},
&ListOpenALSinkDevices},
#endif
#ifdef HAVE_SDL2
SinkDetails{"sdl2",
SinkDetails{SinkType::SDL2, "SDL2",
[](std::string_view device_id) -> std::unique_ptr<Sink> {
return std::make_unique<SDL2Sink>(std::string(device_id));
},
&ListSDL2SinkDevices},
#endif
SinkDetails{"null",
SinkDetails{SinkType::Null, "None",
[](std::string_view device_id) -> std::unique_ptr<Sink> {
return std::make_unique<NullSink>(device_id);
},
[] { return std::vector<std::string>{"null"}; }},
[] { return std::vector<std::string>{"None"}; }},
};
const SinkDetails& GetSinkDetails(std::string_view sink_id) {
auto iter =
std::find_if(std::begin(sink_details), std::end(sink_details),
[sink_id](const auto& sink_detail) { return sink_detail.id == sink_id; });
const SinkDetails& GetSinkDetails(SinkType sink_type) {
auto iter = std::find_if(
sink_details.begin(), sink_details.end(),
[sink_type](const auto& sink_detail) { return sink_detail.type == sink_type; });
if (sink_id == "auto" || iter == std::end(sink_details)) {
if (sink_id != "auto") {
LOG_ERROR(Audio, "AudioCore::SelectSink given invalid sink_id {}", sink_id);
if (sink_type == SinkType::Auto || iter == sink_details.end()) {
if (sink_type != SinkType::Auto) {
LOG_ERROR(Audio, "AudioCore::GetSinkDetails given invalid sink_type {}", sink_type);
}
// Auto-select.
// sink_details is ordered in terms of desirability, with the best choice at the front.
iter = std::begin(sink_details);
iter = sink_details.begin();
}
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::string_view GetSinkName(SinkType sink_type) {
if (sink_type == SinkType::Auto) {
return "Auto";
}
return GetSinkDetails(sink_type).name;
}
std::vector<std::string> GetDeviceListForSink(std::string_view sink_id) {
return GetSinkDetails(sink_id).list_devices();
std::vector<std::string> GetDeviceListForSink(SinkType sink_type) {
return GetSinkDetails(sink_type).list_devices();
}
std::unique_ptr<Sink> CreateSinkFromID(std::string_view sink_id, std::string_view device_id) {
return GetSinkDetails(sink_id).factory(device_id);
std::unique_ptr<Sink> CreateSinkFromID(SinkType sink_type, std::string_view device_id) {
return GetSinkDetails(sink_type).factory(device_id);
}
} // namespace AudioCore