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// Copyright 2023 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <catch2/catch_test_macros.hpp>
#include <fmt/core.h>
#include "audio_core/hle/decoder.h"
#include "audio_core/lle/lle.h"
#include "common/common_paths.h"
#include "common/file_util.h"
#include "core/core.h"
#include "core/core_timing.h"
#include "core/hle/kernel/kernel.h"
#include "core/memory.h"
TEST_CASE("DSP LLE Sanity", "[audio_core][lle]") {
Core::System system;
Memory::MemorySystem memory{system};
Core::Timing core_timing(1, 100);
AudioCore::DspLle lle(system, memory, core_timing, true);
{
FileUtil::SetUserPath();
// dspaudio.cdc can be dumped from Pokemon X & Y, It can be found in the romfs at
// "rom:/sound/dspaudio.cdc".
// One could also extract the firmware from the 3DS sound app using a modified version of
// https://github.com/zoogie/DSP1.
std::string firm_filepath =
FileUtil::GetUserPath(FileUtil::UserPath::SDMCDir) + "3ds" DIR_SEP "dspaudio.cdc";
if (!FileUtil::Exists(firm_filepath)) {
SKIP("Test requires dspaudio.cdc");
}
FileUtil::IOFile firm_file(firm_filepath, "rb");
std::vector<u8> firm_file_buf(firm_file.GetSize());
firm_file.ReadArray(firm_file_buf.data(), firm_file_buf.size());
lle.LoadComponent(firm_file_buf);
lle.SetInterruptHandler([](Service::DSP::InterruptType type, AudioCore::DspPipe pipe) {
fmt::print("SetInterruptHandler type={} pipe={}\n", type, pipe);
});
}
SECTION("Initialise Audio Pipe") {
std::vector<u8> buffer(4, 0);
buffer[0] = 0;
lle.PipeWrite(AudioCore::DspPipe::Audio, buffer);
lle.SetSemaphore(0x4000);
// todo: wait for interrupt
do {
core_timing.GetTimer(0)->AddTicks(core_timing.GetTimer(0)->GetDowncount());
core_timing.GetTimer(0)->Advance();
core_timing.GetTimer(0)->SetNextSlice();
} while (lle.GetPipeReadableSize(AudioCore::DspPipe::Audio) == 0);
REQUIRE(lle.GetPipeReadableSize(AudioCore::DspPipe::Audio) >= 32);
buffer = lle.PipeRead(AudioCore::DspPipe::Audio, 2);
u16 size;
std::memcpy(&size, buffer.data(), sizeof(size));
// see AudioCore::DspHle::Impl::AudioPipeWriteStructAddresses()
REQUIRE(size * 2 == 30);
}
SECTION("Initialise EncodeAAC - Binary Pipe") {
std::vector<u8> buffer(32, 0);
AudioCore::HLE::BinaryMessage& request =
*reinterpret_cast<AudioCore::HLE::BinaryMessage*>(buffer.data());
request.header.codec = AudioCore::HLE::DecoderCodec::EncodeAAC;
request.header.cmd = AudioCore::HLE::DecoderCommand::Init;
// Values used by the 3DS sound app.
request.encode_aac_init.unknown1 = 1;
request.encode_aac_init.sample_rate = static_cast<AudioCore::HLE::DecoderSampleRate>(5);
request.encode_aac_init.unknown3 = 2;
request.encode_aac_init.unknown4 = 0;
request.encode_aac_init.unknown5 = rand();
request.encode_aac_init.unknown6 = rand();
lle.PipeWrite(AudioCore::DspPipe::Binary, buffer);
lle.SetSemaphore(0x4000);
// todo: wait for interrupt
do {
core_timing.GetTimer(0)->AddTicks(core_timing.GetTimer(0)->GetDowncount());
core_timing.GetTimer(0)->Advance();
core_timing.GetTimer(0)->SetNextSlice();
} while (lle.GetPipeReadableSize(AudioCore::DspPipe::Binary) == 0);
REQUIRE(lle.GetPipeReadableSize(AudioCore::DspPipe::Binary) >= 32);
buffer = lle.PipeRead(AudioCore::DspPipe::Binary, 32);
AudioCore::HLE::BinaryMessage& resp =
*reinterpret_cast<AudioCore::HLE::BinaryMessage*>(buffer.data());
REQUIRE(resp.header.result == AudioCore::HLE::ResultStatus::Success);
REQUIRE(resp.data == request.data);
}
}
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