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author | Kelebek1 <eeeedddccc@hotmail.co.uk> | 2022-07-17 00:48:45 +0200 |
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committer | Kelebek1 <eeeedddccc@hotmail.co.uk> | 2022-07-22 02:11:32 +0200 |
commit | 458da8a94877677f086f06cdeecf959ec4283a33 (patch) | |
tree | 583166d77602ad90a0d552f37de8729ad80fd6c1 /src/audio_core/audio_renderer.cpp | |
parent | Merge pull request #8598 from Link4565/recv-dontwait (diff) | |
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Diffstat (limited to 'src/audio_core/audio_renderer.cpp')
-rw-r--r-- | src/audio_core/audio_renderer.cpp | 343 |
1 files changed, 0 insertions, 343 deletions
diff --git a/src/audio_core/audio_renderer.cpp b/src/audio_core/audio_renderer.cpp deleted file mode 100644 index 9191ca093..000000000 --- a/src/audio_core/audio_renderer.cpp +++ /dev/null @@ -1,343 +0,0 @@ -// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project -// SPDX-License-Identifier: GPL-2.0-or-later - -#include <limits> -#include <optional> -#include <vector> - -#include "audio_core/audio_out.h" -#include "audio_core/audio_renderer.h" -#include "audio_core/common.h" -#include "audio_core/info_updater.h" -#include "audio_core/voice_context.h" -#include "common/logging/log.h" -#include "common/settings.h" -#include "core/core_timing.h" -#include "core/memory.h" - -namespace { -[[nodiscard]] static constexpr s16 ClampToS16(s32 value) { - return static_cast<s16>(std::clamp(value, s32{std::numeric_limits<s16>::min()}, - s32{std::numeric_limits<s16>::max()})); -} - -[[nodiscard]] static constexpr s16 Mix2To1(s16 l_channel, s16 r_channel) { - // Mix 50% from left and 50% from right channel - constexpr float l_mix_amount = 50.0f / 100.0f; - constexpr float r_mix_amount = 50.0f / 100.0f; - return ClampToS16(static_cast<s32>((static_cast<float>(l_channel) * l_mix_amount) + - (static_cast<float>(r_channel) * r_mix_amount))); -} - -[[maybe_unused, nodiscard]] static constexpr std::tuple<s16, s16> Mix6To2( - s16 fl_channel, s16 fr_channel, s16 fc_channel, [[maybe_unused]] s16 lf_channel, s16 bl_channel, - s16 br_channel) { - // Front channels are mixed 36.94%, Center channels are mixed to be 26.12% & the back channels - // are mixed to be 36.94% - - constexpr float front_mix_amount = 36.94f / 100.0f; - constexpr float center_mix_amount = 26.12f / 100.0f; - constexpr float back_mix_amount = 36.94f / 100.0f; - - // Mix 50% from left and 50% from right channel - const auto left = front_mix_amount * static_cast<float>(fl_channel) + - center_mix_amount * static_cast<float>(fc_channel) + - back_mix_amount * static_cast<float>(bl_channel); - - const auto right = front_mix_amount * static_cast<float>(fr_channel) + - center_mix_amount * static_cast<float>(fc_channel) + - back_mix_amount * static_cast<float>(br_channel); - - return {ClampToS16(static_cast<s32>(left)), ClampToS16(static_cast<s32>(right))}; -} - -[[nodiscard]] static constexpr std::tuple<s16, s16> Mix6To2WithCoefficients( - s16 fl_channel, s16 fr_channel, s16 fc_channel, s16 lf_channel, s16 bl_channel, s16 br_channel, - const std::array<float_le, 4>& coeff) { - const auto left = - static_cast<float>(fl_channel) * coeff[0] + static_cast<float>(fc_channel) * coeff[1] + - static_cast<float>(lf_channel) * coeff[2] + static_cast<float>(bl_channel) * coeff[3]; - - const auto right = - static_cast<float>(fr_channel) * coeff[0] + static_cast<float>(fc_channel) * coeff[1] + - static_cast<float>(lf_channel) * coeff[2] + static_cast<float>(br_channel) * coeff[3]; - - return {ClampToS16(static_cast<s32>(left)), ClampToS16(static_cast<s32>(right))}; -} - -} // namespace - -namespace AudioCore { -constexpr s32 NUM_BUFFERS = 2; - -AudioRenderer::AudioRenderer(Core::Timing::CoreTiming& core_timing_, Core::Memory::Memory& memory_, - AudioCommon::AudioRendererParameter params, - Stream::ReleaseCallback&& release_callback, - std::size_t instance_number) - : worker_params{params}, memory_pool_info(params.effect_count + params.voice_count * 4), - voice_context(params.voice_count), effect_context(params.effect_count), mix_context(), - sink_context(params.sink_count), splitter_context(), - voices(params.voice_count), memory{memory_}, - command_generator(worker_params, voice_context, mix_context, splitter_context, effect_context, - memory), - core_timing{core_timing_} { - behavior_info.SetUserRevision(params.revision); - splitter_context.Initialize(behavior_info, params.splitter_count, - params.num_splitter_send_channels); - mix_context.Initialize(behavior_info, params.submix_count + 1, params.effect_count); - audio_out = std::make_unique<AudioCore::AudioOut>(); - stream = audio_out->OpenStream( - core_timing, params.sample_rate, AudioCommon::STREAM_NUM_CHANNELS, - fmt::format("AudioRenderer-Instance{}", instance_number), std::move(release_callback)); - process_event = - Core::Timing::CreateEvent(fmt::format("AudioRenderer-Instance{}-Process", instance_number), - [this](std::uintptr_t, s64, std::chrono::nanoseconds) { - ReleaseAndQueueBuffers(); - return std::nullopt; - }); - for (s32 i = 0; i < NUM_BUFFERS; ++i) { - QueueMixedBuffer(i); - } -} - -AudioRenderer::~AudioRenderer() = default; - -Result AudioRenderer::Start() { - audio_out->StartStream(stream); - ReleaseAndQueueBuffers(); - return ResultSuccess; -} - -Result AudioRenderer::Stop() { - audio_out->StopStream(stream); - return ResultSuccess; -} - -u32 AudioRenderer::GetSampleRate() const { - return worker_params.sample_rate; -} - -u32 AudioRenderer::GetSampleCount() const { - return worker_params.sample_count; -} - -u32 AudioRenderer::GetMixBufferCount() const { - return worker_params.mix_buffer_count; -} - -Stream::State AudioRenderer::GetStreamState() const { - return stream->GetState(); -} - -Result AudioRenderer::UpdateAudioRenderer(const std::vector<u8>& input_params, - std::vector<u8>& output_params) { - std::scoped_lock lock{mutex}; - InfoUpdater info_updater{input_params, output_params, behavior_info}; - - if (!info_updater.UpdateBehaviorInfo(behavior_info)) { - LOG_ERROR(Audio, "Failed to update behavior info input parameters"); - return AudioCommon::Audren::ERR_INVALID_PARAMETERS; - } - - if (!info_updater.UpdateMemoryPools(memory_pool_info)) { - LOG_ERROR(Audio, "Failed to update memory pool parameters"); - return AudioCommon::Audren::ERR_INVALID_PARAMETERS; - } - - if (!info_updater.UpdateVoiceChannelResources(voice_context)) { - LOG_ERROR(Audio, "Failed to update voice channel resource parameters"); - return AudioCommon::Audren::ERR_INVALID_PARAMETERS; - } - - if (!info_updater.UpdateVoices(voice_context, memory_pool_info, 0)) { - LOG_ERROR(Audio, "Failed to update voice parameters"); - return AudioCommon::Audren::ERR_INVALID_PARAMETERS; - } - - // TODO(ogniK): Deal with stopped audio renderer but updates still taking place - if (!info_updater.UpdateEffects(effect_context, true)) { - LOG_ERROR(Audio, "Failed to update effect parameters"); - return AudioCommon::Audren::ERR_INVALID_PARAMETERS; - } - - if (behavior_info.IsSplitterSupported()) { - if (!info_updater.UpdateSplitterInfo(splitter_context)) { - LOG_ERROR(Audio, "Failed to update splitter parameters"); - return AudioCommon::Audren::ERR_INVALID_PARAMETERS; - } - } - - const auto mix_result = info_updater.UpdateMixes(mix_context, worker_params.mix_buffer_count, - splitter_context, effect_context); - - if (mix_result.IsError()) { - LOG_ERROR(Audio, "Failed to update mix parameters"); - return mix_result; - } - - // TODO(ogniK): Sinks - if (!info_updater.UpdateSinks(sink_context)) { - LOG_ERROR(Audio, "Failed to update sink parameters"); - return AudioCommon::Audren::ERR_INVALID_PARAMETERS; - } - - // TODO(ogniK): Performance buffer - if (!info_updater.UpdatePerformanceBuffer()) { - LOG_ERROR(Audio, "Failed to update performance buffer parameters"); - return AudioCommon::Audren::ERR_INVALID_PARAMETERS; - } - - if (!info_updater.UpdateErrorInfo(behavior_info)) { - LOG_ERROR(Audio, "Failed to update error info"); - return AudioCommon::Audren::ERR_INVALID_PARAMETERS; - } - - if (behavior_info.IsElapsedFrameCountSupported()) { - if (!info_updater.UpdateRendererInfo(elapsed_frame_count)) { - LOG_ERROR(Audio, "Failed to update renderer info"); - return AudioCommon::Audren::ERR_INVALID_PARAMETERS; - } - } - // TODO(ogniK): Statistics - - if (!info_updater.WriteOutputHeader()) { - LOG_ERROR(Audio, "Failed to write output header"); - return AudioCommon::Audren::ERR_INVALID_PARAMETERS; - } - - // TODO(ogniK): Check when all sections are implemented - - if (!info_updater.CheckConsumedSize()) { - LOG_ERROR(Audio, "Audio buffers were not consumed!"); - return AudioCommon::Audren::ERR_INVALID_PARAMETERS; - } - return ResultSuccess; -} - -void AudioRenderer::QueueMixedBuffer(Buffer::Tag tag) { - command_generator.PreCommand(); - // Clear mix buffers before our next operation - command_generator.ClearMixBuffers(); - - // If the splitter is not in use, sort our mixes - if (!splitter_context.UsingSplitter()) { - mix_context.SortInfo(); - } - // Sort our voices - voice_context.SortInfo(); - - // Handle samples - command_generator.GenerateVoiceCommands(); - command_generator.GenerateSubMixCommands(); - command_generator.GenerateFinalMixCommands(); - - command_generator.PostCommand(); - // Base sample size - std::size_t BUFFER_SIZE{worker_params.sample_count}; - // Samples, making sure to clear - std::vector<s16> buffer(BUFFER_SIZE * stream->GetNumChannels(), 0); - - if (sink_context.InUse()) { - const auto stream_channel_count = stream->GetNumChannels(); - const auto buffer_offsets = sink_context.OutputBuffers(); - const auto channel_count = buffer_offsets.size(); - const auto& final_mix = mix_context.GetFinalMixInfo(); - const auto& in_params = final_mix.GetInParams(); - std::vector<std::span<s32>> mix_buffers(channel_count); - for (std::size_t i = 0; i < channel_count; i++) { - mix_buffers[i] = - command_generator.GetMixBuffer(in_params.buffer_offset + buffer_offsets[i]); - } - - for (std::size_t i = 0; i < BUFFER_SIZE; i++) { - if (channel_count == 1) { - const auto sample = ClampToS16(mix_buffers[0][i]); - - // Place sample in all channels - for (u32 channel = 0; channel < stream_channel_count; channel++) { - buffer[i * stream_channel_count + channel] = sample; - } - - if (stream_channel_count == 6) { - // Output stream has a LF channel, mute it! - buffer[i * stream_channel_count + 3] = 0; - } - - } else if (channel_count == 2) { - const auto l_sample = ClampToS16(mix_buffers[0][i]); - const auto r_sample = ClampToS16(mix_buffers[1][i]); - if (stream_channel_count == 1) { - buffer[i * stream_channel_count + 0] = Mix2To1(l_sample, r_sample); - } else if (stream_channel_count == 2) { - buffer[i * stream_channel_count + 0] = l_sample; - buffer[i * stream_channel_count + 1] = r_sample; - } else if (stream_channel_count == 6) { - buffer[i * stream_channel_count + 0] = l_sample; - buffer[i * stream_channel_count + 1] = r_sample; - - // Combine both left and right channels to the center channel - buffer[i * stream_channel_count + 2] = Mix2To1(l_sample, r_sample); - - buffer[i * stream_channel_count + 4] = l_sample; - buffer[i * stream_channel_count + 5] = r_sample; - } - - } else if (channel_count == 6) { - const auto fl_sample = ClampToS16(mix_buffers[0][i]); - const auto fr_sample = ClampToS16(mix_buffers[1][i]); - const auto fc_sample = ClampToS16(mix_buffers[2][i]); - const auto lf_sample = ClampToS16(mix_buffers[3][i]); - const auto bl_sample = ClampToS16(mix_buffers[4][i]); - const auto br_sample = ClampToS16(mix_buffers[5][i]); - - if (stream_channel_count == 1) { - // Games seem to ignore the center channel half the time, we use the front left - // and right channel for mixing as that's where majority of the audio goes - buffer[i * stream_channel_count + 0] = Mix2To1(fl_sample, fr_sample); - } else if (stream_channel_count == 2) { - // Mix all channels into 2 channels - const auto [left, right] = Mix6To2WithCoefficients( - fl_sample, fr_sample, fc_sample, lf_sample, bl_sample, br_sample, - sink_context.GetDownmixCoefficients()); - buffer[i * stream_channel_count + 0] = left; - buffer[i * stream_channel_count + 1] = right; - } else if (stream_channel_count == 6) { - // Pass through - buffer[i * stream_channel_count + 0] = fl_sample; - buffer[i * stream_channel_count + 1] = fr_sample; - buffer[i * stream_channel_count + 2] = fc_sample; - buffer[i * stream_channel_count + 3] = lf_sample; - buffer[i * stream_channel_count + 4] = bl_sample; - buffer[i * stream_channel_count + 5] = br_sample; - } - } - } - } - - audio_out->QueueBuffer(stream, tag, std::move(buffer)); - elapsed_frame_count++; - voice_context.UpdateStateByDspShared(); -} - -void AudioRenderer::ReleaseAndQueueBuffers() { - if (!stream->IsPlaying()) { - return; - } - - { - std::scoped_lock lock{mutex}; - const auto released_buffers{audio_out->GetTagsAndReleaseBuffers(stream)}; - for (const auto& tag : released_buffers) { - QueueMixedBuffer(tag); - } - } - - const f32 sample_rate = static_cast<f32>(GetSampleRate()); - const f32 sample_count = static_cast<f32>(GetSampleCount()); - const f32 consume_rate = sample_rate / (sample_count * (sample_count / 240)); - const s32 ms = (1000 / static_cast<s32>(consume_rate)) - 1; - const std::chrono::milliseconds next_event_time(std::max(ms / NUM_BUFFERS, 1)); - core_timing.ScheduleEvent(next_event_time, process_event, {}); -} - -} // namespace AudioCore |