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author | Kelebek1 <eeeedddccc@hotmail.co.uk> | 2023-08-31 16:09:15 +0200 |
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committer | Liam <byteslice@airmail.cc> | 2023-09-16 17:56:25 +0200 |
commit | 67e2d5c28b8423c4f3f1d5b00f87325684158a6f (patch) | |
tree | e419a2bb6c064ddc69a49046705b6187772fee48 /src/audio_core/adsp/apps/opus/opus_decoder.cpp | |
parent | Merge pull request #11519 from german77/system-policy (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/audio_core/adsp/apps/opus/opus_decoder.cpp | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/src/audio_core/adsp/apps/opus/opus_decoder.cpp b/src/audio_core/adsp/apps/opus/opus_decoder.cpp new file mode 100644 index 000000000..2084de128 --- /dev/null +++ b/src/audio_core/adsp/apps/opus/opus_decoder.cpp @@ -0,0 +1,269 @@ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include <array> +#include <chrono> + +#include "audio_core/adsp/apps/opus/opus_decode_object.h" +#include "audio_core/adsp/apps/opus/opus_multistream_decode_object.h" +#include "audio_core/adsp/apps/opus/shared_memory.h" +#include "audio_core/audio_core.h" +#include "audio_core/common/common.h" +#include "common/logging/log.h" +#include "common/microprofile.h" +#include "common/thread.h" +#include "core/core.h" +#include "core/core_timing.h" + +MICROPROFILE_DEFINE(OpusDecoder, "Audio", "DSP_OpusDecoder", MP_RGB(60, 19, 97)); + +namespace AudioCore::ADSP::OpusDecoder { + +namespace { +constexpr size_t OpusStreamCountMax = 255; + +bool IsValidChannelCount(u32 channel_count) { + return channel_count == 1 || channel_count == 2; +} + +bool IsValidMultiStreamChannelCount(u32 channel_count) { + return channel_count <= OpusStreamCountMax; +} + +bool IsValidMultiStreamStreamCounts(s32 total_stream_count, s32 sterero_stream_count) { + return IsValidMultiStreamChannelCount(total_stream_count) && total_stream_count > 0 && + sterero_stream_count > 0 && sterero_stream_count <= total_stream_count; +} +} // namespace + +OpusDecoder::OpusDecoder(Core::System& system_) : system{system_} { + init_thread = std::jthread([this](std::stop_token stop_token) { Init(stop_token); }); +} + +OpusDecoder::~OpusDecoder() { + if (!running) { + init_thread.request_stop(); + return; + } + + // Shutdown the thread + Send(Direction::DSP, Message::Shutdown); + auto msg = Receive(Direction::Host); + ASSERT_MSG(msg == Message::ShutdownOK, "Expected Opus shutdown code {}, got {}", + Message::ShutdownOK, msg); + main_thread.request_stop(); + main_thread.join(); + running = false; +} + +void OpusDecoder::Send(Direction dir, u32 message) { + mailbox.Send(dir, std::move(message)); +} + +u32 OpusDecoder::Receive(Direction dir, std::stop_token stop_token) { + return mailbox.Receive(dir, stop_token); +} + +void OpusDecoder::Init(std::stop_token stop_token) { + Common::SetCurrentThreadName("DSP_OpusDecoder_Init"); + + if (Receive(Direction::DSP, stop_token) != Message::Start) { + LOG_ERROR(Service_Audio, + "DSP OpusDecoder failed to receive Start message. Opus initialization failed."); + return; + } + main_thread = std::jthread([this](std::stop_token st) { Main(st); }); + running = true; + Send(Direction::Host, Message::StartOK); +} + +void OpusDecoder::Main(std::stop_token stop_token) { + Common::SetCurrentThreadName("DSP_OpusDecoder_Main"); + + while (!stop_token.stop_requested()) { + auto msg = Receive(Direction::DSP, stop_token); + switch (msg) { + case Shutdown: + Send(Direction::Host, Message::ShutdownOK); + return; + + case GetWorkBufferSize: { + auto channel_count = static_cast<s32>(shared_memory->host_send_data[0]); + + ASSERT(IsValidChannelCount(channel_count)); + + shared_memory->dsp_return_data[0] = OpusDecodeObject::GetWorkBufferSize(channel_count); + Send(Direction::Host, Message::GetWorkBufferSizeOK); + } break; + + case InitializeDecodeObject: { + auto buffer = shared_memory->host_send_data[0]; + auto buffer_size = shared_memory->host_send_data[1]; + auto sample_rate = static_cast<s32>(shared_memory->host_send_data[2]); + auto channel_count = static_cast<s32>(shared_memory->host_send_data[3]); + + ASSERT(sample_rate >= 0); + ASSERT(IsValidChannelCount(channel_count)); + ASSERT(buffer_size >= OpusDecodeObject::GetWorkBufferSize(channel_count)); + + auto& decoder_object = OpusDecodeObject::Initialize(buffer, buffer); + shared_memory->dsp_return_data[0] = + decoder_object.InitializeDecoder(sample_rate, channel_count); + + Send(Direction::Host, Message::InitializeDecodeObjectOK); + } break; + + case ShutdownDecodeObject: { + auto buffer = shared_memory->host_send_data[0]; + [[maybe_unused]] auto buffer_size = shared_memory->host_send_data[1]; + + auto& decoder_object = OpusDecodeObject::Initialize(buffer, buffer); + shared_memory->dsp_return_data[0] = decoder_object.Shutdown(); + + Send(Direction::Host, Message::ShutdownDecodeObjectOK); + } break; + + case DecodeInterleaved: { + auto start_time = system.CoreTiming().GetGlobalTimeUs(); + + auto buffer = shared_memory->host_send_data[0]; + auto input_data = shared_memory->host_send_data[1]; + auto input_data_size = shared_memory->host_send_data[2]; + auto output_data = shared_memory->host_send_data[3]; + auto output_data_size = shared_memory->host_send_data[4]; + auto final_range = static_cast<u32>(shared_memory->host_send_data[5]); + auto reset_requested = shared_memory->host_send_data[6]; + + u32 decoded_samples{0}; + + auto& decoder_object = OpusDecodeObject::Initialize(buffer, buffer); + s32 error_code{OPUS_OK}; + if (reset_requested) { + error_code = decoder_object.ResetDecoder(); + } + + if (error_code == OPUS_OK) { + error_code = decoder_object.Decode(decoded_samples, output_data, output_data_size, + input_data, input_data_size); + } + + if (error_code == OPUS_OK) { + if (final_range && decoder_object.GetFinalRange() != final_range) { + error_code = OPUS_INVALID_PACKET; + } + } + + auto end_time = system.CoreTiming().GetGlobalTimeUs(); + shared_memory->dsp_return_data[0] = error_code; + shared_memory->dsp_return_data[1] = decoded_samples; + shared_memory->dsp_return_data[2] = (end_time - start_time).count(); + + Send(Direction::Host, Message::DecodeInterleavedOK); + } break; + + case MapMemory: { + [[maybe_unused]] auto buffer = shared_memory->host_send_data[0]; + [[maybe_unused]] auto buffer_size = shared_memory->host_send_data[1]; + Send(Direction::Host, Message::MapMemoryOK); + } break; + + case UnmapMemory: { + [[maybe_unused]] auto buffer = shared_memory->host_send_data[0]; + [[maybe_unused]] auto buffer_size = shared_memory->host_send_data[1]; + Send(Direction::Host, Message::UnmapMemoryOK); + } break; + + case GetWorkBufferSizeForMultiStream: { + auto total_stream_count = static_cast<s32>(shared_memory->host_send_data[0]); + auto stereo_stream_count = static_cast<s32>(shared_memory->host_send_data[1]); + + ASSERT(IsValidMultiStreamStreamCounts(total_stream_count, stereo_stream_count)); + + shared_memory->dsp_return_data[0] = OpusMultiStreamDecodeObject::GetWorkBufferSize( + total_stream_count, stereo_stream_count); + Send(Direction::Host, Message::GetWorkBufferSizeForMultiStreamOK); + } break; + + case InitializeMultiStreamDecodeObject: { + auto buffer = shared_memory->host_send_data[0]; + auto buffer_size = shared_memory->host_send_data[1]; + auto sample_rate = static_cast<s32>(shared_memory->host_send_data[2]); + auto channel_count = static_cast<s32>(shared_memory->host_send_data[3]); + auto total_stream_count = static_cast<s32>(shared_memory->host_send_data[4]); + auto stereo_stream_count = static_cast<s32>(shared_memory->host_send_data[5]); + // Nintendo seem to have a bug here, they try to use &host_send_data[6] for the channel + // mappings, but [6] is never set, and there is not enough room in the argument data for + // more than 40 channels, when 255 are possible. + // It also means the mapping values are undefined, though likely always 0, + // and the mappings given by the game are ignored. The mappings are copied to this + // dedicated buffer host side, so let's do as intended. + auto mappings = shared_memory->channel_mapping.data(); + + ASSERT(IsValidMultiStreamStreamCounts(total_stream_count, stereo_stream_count)); + ASSERT(sample_rate >= 0); + ASSERT(buffer_size >= OpusMultiStreamDecodeObject::GetWorkBufferSize( + total_stream_count, stereo_stream_count)); + + auto& decoder_object = OpusMultiStreamDecodeObject::Initialize(buffer, buffer); + shared_memory->dsp_return_data[0] = decoder_object.InitializeDecoder( + sample_rate, total_stream_count, channel_count, stereo_stream_count, mappings); + + Send(Direction::Host, Message::InitializeMultiStreamDecodeObjectOK); + } break; + + case ShutdownMultiStreamDecodeObject: { + auto buffer = shared_memory->host_send_data[0]; + [[maybe_unused]] auto buffer_size = shared_memory->host_send_data[1]; + + auto& decoder_object = OpusMultiStreamDecodeObject::Initialize(buffer, buffer); + shared_memory->dsp_return_data[0] = decoder_object.Shutdown(); + + Send(Direction::Host, Message::ShutdownMultiStreamDecodeObjectOK); + } break; + + case DecodeInterleavedForMultiStream: { + auto start_time = system.CoreTiming().GetGlobalTimeUs(); + + auto buffer = shared_memory->host_send_data[0]; + auto input_data = shared_memory->host_send_data[1]; + auto input_data_size = shared_memory->host_send_data[2]; + auto output_data = shared_memory->host_send_data[3]; + auto output_data_size = shared_memory->host_send_data[4]; + auto final_range = static_cast<u32>(shared_memory->host_send_data[5]); + auto reset_requested = shared_memory->host_send_data[6]; + + u32 decoded_samples{0}; + + auto& decoder_object = OpusMultiStreamDecodeObject::Initialize(buffer, buffer); + s32 error_code{OPUS_OK}; + if (reset_requested) { + error_code = decoder_object.ResetDecoder(); + } + + if (error_code == OPUS_OK) { + error_code = decoder_object.Decode(decoded_samples, output_data, output_data_size, + input_data, input_data_size); + } + + if (error_code == OPUS_OK) { + if (final_range && decoder_object.GetFinalRange() != final_range) { + error_code = OPUS_INVALID_PACKET; + } + } + + auto end_time = system.CoreTiming().GetGlobalTimeUs(); + shared_memory->dsp_return_data[0] = error_code; + shared_memory->dsp_return_data[1] = decoded_samples; + shared_memory->dsp_return_data[2] = (end_time - start_time).count(); + + Send(Direction::Host, Message::DecodeInterleavedForMultiStreamOK); + } break; + + default: + LOG_ERROR(Service_Audio, "Invalid OpusDecoder command {}", msg); + continue; + } + } +} + +} // namespace AudioCore::ADSP::OpusDecoder |