Merge pull request #2439 from lioncash/audren
service/audren_u: Get rid of magic values within GetAudioRendererWorkBufferSize
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Hexagon12
GitHub
commit
6fd247c84a
@ -8,6 +8,7 @@
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#include "audio_core/audio_renderer.h"
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#include "common/alignment.h"
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#include "common/bit_util.h"
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#include "common/common_funcs.h"
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#include "common/logging/log.h"
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#include "common/string_util.h"
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@ -262,64 +263,304 @@ void AudRenU::OpenAudioRenderer(Kernel::HLERequestContext& ctx) {
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OpenAudioRendererImpl(ctx);
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}
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static u64 CalculateNumPerformanceEntries(const AudioCore::AudioRendererParameter& params) {
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// +1 represents the final mix.
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return u64{params.effect_count} + params.submix_count + params.sink_count + params.voice_count +
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1;
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}
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void AudRenU::GetAudioRendererWorkBufferSize(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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auto params = rp.PopRaw<AudioCore::AudioRendererParameter>();
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LOG_DEBUG(Service_Audio, "called");
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u64 buffer_sz = Common::AlignUp(4 * params.mix_buffer_count, 0x40);
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buffer_sz += params.submix_count * 1024;
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buffer_sz += 0x940 * (params.submix_count + 1);
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buffer_sz += 0x3F0 * params.voice_count;
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buffer_sz += Common::AlignUp(8 * (params.submix_count + 1), 0x10);
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buffer_sz += Common::AlignUp(8 * params.voice_count, 0x10);
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buffer_sz += Common::AlignUp(
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(0x3C0 * (params.sink_count + params.submix_count) + 4 * params.sample_count) *
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(params.mix_buffer_count + 6),
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0x40);
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// Several calculations below align the sizes being calculated
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// onto a 64 byte boundary.
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static constexpr u64 buffer_alignment_size = 64;
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if (IsFeatureSupported(AudioFeatures::Splitter, params.revision)) {
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const u32 count = params.submix_count + 1;
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u64 node_count = Common::AlignUp(count, 0x40);
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const u64 node_state_buffer_sz =
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4 * (node_count * node_count) + 0xC * node_count + 2 * (node_count / 8);
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u64 edge_matrix_buffer_sz = 0;
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node_count = Common::AlignUp(count * count, 0x40);
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if (node_count >> 31 != 0) {
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edge_matrix_buffer_sz = (node_count | 7) / 8;
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} else {
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edge_matrix_buffer_sz = node_count / 8;
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// Some calculations that calculate portions of the buffer
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// that will contain information, on the other hand, align
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// the result of some of their calcularions on a 16 byte boundary.
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static constexpr u64 info_field_alignment_size = 16;
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// Maximum detail entries that may exist at one time for performance
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// frame statistics.
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static constexpr u64 max_perf_detail_entries = 100;
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// Size of the data structure representing the bulk of the voice-related state.
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static constexpr u64 voice_state_size = 0x100;
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// Size of the upsampler manager data structure
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constexpr u64 upsampler_manager_size = 0x48;
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// Calculates the part of the size that relates to mix buffers.
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const auto calculate_mix_buffer_sizes = [](const AudioCore::AudioRendererParameter& params) {
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// As of 8.0.0 this is the maximum on voice channels.
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constexpr u64 max_voice_channels = 6;
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// The service expects the sample_count member of the parameters to either be
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// a value of 160 or 240, so the maximum sample count is assumed in order
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// to adequately handle all values at runtime.
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constexpr u64 default_max_sample_count = 240;
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const u64 total_mix_buffers = params.mix_buffer_count + max_voice_channels;
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u64 size = 0;
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size += total_mix_buffers * (sizeof(s32) * params.sample_count);
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size += total_mix_buffers * (sizeof(s32) * default_max_sample_count);
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size += u64{params.submix_count} + params.sink_count;
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size = Common::AlignUp(size, buffer_alignment_size);
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size += Common::AlignUp(params.unknown_30, buffer_alignment_size);
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size += Common::AlignUp(sizeof(s32) * params.mix_buffer_count, buffer_alignment_size);
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return size;
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};
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// Calculates the portion of the size related to the mix data (and the sorting thereof).
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const auto calculate_mix_info_size = [this](const AudioCore::AudioRendererParameter& params) {
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// The size of the mixing info data structure.
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constexpr u64 mix_info_size = 0x940;
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// Consists of total submixes with the final mix included.
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const u64 total_mix_count = u64{params.submix_count} + 1;
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// The total number of effects that may be available to the audio renderer at any time.
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constexpr u64 max_effects = 256;
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// Calculates the part of the size related to the audio node state.
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// This will only be used if the audio revision supports the splitter.
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const auto calculate_node_state_size = [](std::size_t num_nodes) {
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// Internally within a nodestate, it appears to use a data structure
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// similar to a std::bitset<64> twice.
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constexpr u64 bit_size = Common::BitSize<u64>();
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constexpr u64 num_bitsets = 2;
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// Node state instances have three states internally for performing
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// depth-first searches of nodes. Initialized, Found, and Done Sorting.
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constexpr u64 num_states = 3;
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u64 size = 0;
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size += (num_nodes * num_nodes) * sizeof(s32);
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size += num_states * (num_nodes * sizeof(s32));
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size += num_bitsets * (Common::AlignUp(num_nodes, bit_size) / Common::BitSize<u8>());
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return size;
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};
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// Calculates the part of the size related to the adjacency (aka edge) matrix.
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const auto calculate_edge_matrix_size = [](std::size_t num_nodes) {
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return (num_nodes * num_nodes) * sizeof(s32);
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};
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u64 size = 0;
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size += Common::AlignUp(sizeof(void*) * total_mix_count, info_field_alignment_size);
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size += Common::AlignUp(mix_info_size * total_mix_count, info_field_alignment_size);
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size += Common::AlignUp(sizeof(s32) * max_effects * params.submix_count,
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info_field_alignment_size);
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if (IsFeatureSupported(AudioFeatures::Splitter, params.revision)) {
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size += Common::AlignUp(calculate_node_state_size(total_mix_count) +
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calculate_edge_matrix_size(total_mix_count),
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info_field_alignment_size);
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}
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buffer_sz += Common::AlignUp(node_state_buffer_sz + edge_matrix_buffer_sz, 0x10);
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}
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buffer_sz += 0x20 * (params.effect_count + 4 * params.voice_count) + 0x50;
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if (IsFeatureSupported(AudioFeatures::Splitter, params.revision)) {
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buffer_sz += 0xE0 * params.num_splitter_send_channels;
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buffer_sz += 0x20 * params.splitter_count;
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buffer_sz += Common::AlignUp(4 * params.num_splitter_send_channels, 0x10);
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}
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buffer_sz = Common::AlignUp(buffer_sz, 0x40) + 0x170 * params.sink_count;
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u64 output_sz = buffer_sz + 0x280 * params.sink_count + 0x4B0 * params.effect_count +
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((params.voice_count * 256) | 0x40);
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return size;
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};
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if (params.performance_frame_count >= 1) {
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output_sz = Common::AlignUp(((16 * params.sink_count + 16 * params.effect_count +
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16 * params.voice_count + 16) +
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0x658) *
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(params.performance_frame_count + 1) +
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0xc0,
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0x40) +
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output_sz;
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}
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output_sz = Common::AlignUp(output_sz + 0x1807e, 0x1000);
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// Calculates the part of the size related to voice channel info.
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const auto calculate_voice_info_size = [](const AudioCore::AudioRendererParameter& params) {
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constexpr u64 voice_info_size = 0x220;
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constexpr u64 voice_resource_size = 0xD0;
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u64 size = 0;
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size += Common::AlignUp(sizeof(void*) * params.voice_count, info_field_alignment_size);
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size += Common::AlignUp(voice_info_size * params.voice_count, info_field_alignment_size);
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size +=
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Common::AlignUp(voice_resource_size * params.voice_count, info_field_alignment_size);
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size += Common::AlignUp(voice_state_size * params.voice_count, info_field_alignment_size);
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return size;
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};
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// Calculates the part of the size related to memory pools.
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const auto calculate_memory_pools_size = [](const AudioCore::AudioRendererParameter& params) {
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const u64 num_memory_pools = sizeof(s32) * (u64{params.effect_count} + params.voice_count);
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const u64 memory_pool_info_size = 0x20;
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return Common::AlignUp(num_memory_pools * memory_pool_info_size, info_field_alignment_size);
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};
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// Calculates the part of the size related to the splitter context.
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const auto calculate_splitter_context_size =
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[this](const AudioCore::AudioRendererParameter& params) -> u64 {
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if (!IsFeatureSupported(AudioFeatures::Splitter, params.revision)) {
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return 0;
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}
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constexpr u64 splitter_info_size = 0x20;
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constexpr u64 splitter_destination_data_size = 0xE0;
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u64 size = 0;
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size += params.num_splitter_send_channels;
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size +=
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Common::AlignUp(splitter_info_size * params.splitter_count, info_field_alignment_size);
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size += Common::AlignUp(splitter_destination_data_size * params.num_splitter_send_channels,
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info_field_alignment_size);
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return size;
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};
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// Calculates the part of the size related to the upsampler info.
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const auto calculate_upsampler_info_size = [](const AudioCore::AudioRendererParameter& params) {
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constexpr u64 upsampler_info_size = 0x280;
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// Yes, using the buffer size over info alignment size is intentional here.
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return Common::AlignUp(upsampler_info_size * (u64{params.submix_count} + params.sink_count),
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buffer_alignment_size);
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};
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// Calculates the part of the size related to effect info.
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const auto calculate_effect_info_size = [](const AudioCore::AudioRendererParameter& params) {
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constexpr u64 effect_info_size = 0x2B0;
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return Common::AlignUp(effect_info_size * params.effect_count, info_field_alignment_size);
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};
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// Calculates the part of the size related to audio sink info.
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const auto calculate_sink_info_size = [](const AudioCore::AudioRendererParameter& params) {
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const u64 sink_info_size = 0x170;
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return Common::AlignUp(sink_info_size * params.sink_count, info_field_alignment_size);
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};
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// Calculates the part of the size related to voice state info.
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const auto calculate_voice_state_size = [](const AudioCore::AudioRendererParameter& params) {
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const u64 voice_state_size = 0x100;
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const u64 additional_size = buffer_alignment_size - 1;
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return Common::AlignUp(voice_state_size * params.voice_count + additional_size,
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info_field_alignment_size);
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};
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// Calculates the part of the size related to performance statistics.
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const auto calculate_perf_size = [this](const AudioCore::AudioRendererParameter& params) {
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// Extra size value appended to the end of the calculation.
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constexpr u64 appended = 128;
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// Whether or not we assume the newer version of performance metrics data structures.
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const bool is_v2 =
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IsFeatureSupported(AudioFeatures::PerformanceMetricsVersion2, params.revision);
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// Data structure sizes
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constexpr u64 perf_statistics_size = 0x0C;
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const u64 header_size = is_v2 ? 0x30 : 0x18;
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const u64 entry_size = is_v2 ? 0x18 : 0x10;
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const u64 detail_size = is_v2 ? 0x18 : 0x10;
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const u64 entry_count = CalculateNumPerformanceEntries(params);
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const u64 size_per_frame =
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header_size + (entry_size * entry_count) + (detail_size * max_perf_detail_entries);
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u64 size = 0;
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size += Common::AlignUp(size_per_frame * params.performance_frame_count + 1,
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buffer_alignment_size);
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size += Common::AlignUp(perf_statistics_size, buffer_alignment_size);
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size += appended;
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return size;
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};
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// Calculates the part of the size that relates to the audio command buffer.
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const auto calculate_command_buffer_size =
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[this](const AudioCore::AudioRendererParameter& params) {
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constexpr u64 alignment = (buffer_alignment_size - 1) * 2;
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if (!IsFeatureSupported(AudioFeatures::VariadicCommandBuffer, params.revision)) {
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constexpr u64 command_buffer_size = 0x18000;
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return command_buffer_size + alignment;
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}
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// When the variadic command buffer is supported, this means
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// the command generator for the audio renderer can issue commands
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// that are (as one would expect), variable in size. So what we need to do
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// is determine the maximum possible size for a few command data structures
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// then multiply them by the amount of present commands indicated by the given
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// respective audio parameters.
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constexpr u64 max_biquad_filters = 2;
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constexpr u64 max_mix_buffers = 24;
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constexpr u64 biquad_filter_command_size = 0x2C;
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constexpr u64 depop_mix_command_size = 0x24;
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constexpr u64 depop_setup_command_size = 0x50;
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constexpr u64 effect_command_max_size = 0x540;
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constexpr u64 mix_command_size = 0x1C;
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constexpr u64 mix_ramp_command_size = 0x24;
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constexpr u64 mix_ramp_grouped_command_size = 0x13C;
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constexpr u64 perf_command_size = 0x28;
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constexpr u64 sink_command_size = 0x130;
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constexpr u64 submix_command_max_size =
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depop_mix_command_size + (mix_command_size * max_mix_buffers) * max_mix_buffers;
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constexpr u64 volume_command_size = 0x1C;
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constexpr u64 volume_ramp_command_size = 0x20;
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constexpr u64 voice_biquad_filter_command_size =
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biquad_filter_command_size * max_biquad_filters;
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constexpr u64 voice_data_command_size = 0x9C;
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const u64 voice_command_max_size =
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(params.splitter_count * depop_setup_command_size) +
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(voice_data_command_size + voice_biquad_filter_command_size +
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volume_ramp_command_size + mix_ramp_grouped_command_size);
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// Now calculate the individual elements that comprise the size and add them together.
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const u64 effect_commands_size = params.effect_count * effect_command_max_size;
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const u64 final_mix_commands_size =
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depop_mix_command_size + volume_command_size * max_mix_buffers;
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const u64 perf_commands_size =
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perf_command_size *
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(CalculateNumPerformanceEntries(params) + max_perf_detail_entries);
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const u64 sink_commands_size = params.sink_count * sink_command_size;
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const u64 splitter_commands_size =
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params.num_splitter_send_channels * max_mix_buffers * mix_ramp_command_size;
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const u64 submix_commands_size = params.submix_count * submix_command_max_size;
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const u64 voice_commands_size = params.voice_count * voice_command_max_size;
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return effect_commands_size + final_mix_commands_size + perf_commands_size +
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sink_commands_size + splitter_commands_size + submix_commands_size +
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voice_commands_size + alignment;
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};
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IPC::RequestParser rp{ctx};
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const auto params = rp.PopRaw<AudioCore::AudioRendererParameter>();
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u64 size = 0;
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size += calculate_mix_buffer_sizes(params);
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size += calculate_mix_info_size(params);
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size += calculate_voice_info_size(params);
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size += upsampler_manager_size;
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size += calculate_memory_pools_size(params);
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size += calculate_splitter_context_size(params);
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size = Common::AlignUp(size, buffer_alignment_size);
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size += calculate_upsampler_info_size(params);
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size += calculate_effect_info_size(params);
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size += calculate_sink_info_size(params);
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size += calculate_voice_state_size(params);
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size += calculate_perf_size(params);
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size += calculate_command_buffer_size(params);
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// finally, 4KB page align the size, and we're done.
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size = Common::AlignUp(size, 4096);
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IPC::ResponseBuilder rb{ctx, 4};
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rb.Push(RESULT_SUCCESS);
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rb.Push<u64>(output_sz);
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rb.Push<u64>(size);
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LOG_DEBUG(Service_Audio, "buffer_size=0x{:X}", output_sz);
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LOG_DEBUG(Service_Audio, "buffer_size=0x{:X}", size);
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}
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void AudRenU::GetAudioDeviceService(Kernel::HLERequestContext& ctx) {
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@ -357,10 +598,15 @@ void AudRenU::OpenAudioRendererImpl(Kernel::HLERequestContext& ctx) {
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}
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bool AudRenU::IsFeatureSupported(AudioFeatures feature, u32_le revision) const {
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u32_be version_num = (revision - Common::MakeMagic('R', 'E', 'V', '0')); // Byte swap
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// Byte swap
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const u32_be version_num = revision - Common::MakeMagic('R', 'E', 'V', '0');
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switch (feature) {
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case AudioFeatures::Splitter:
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return version_num >= 2u;
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return version_num >= 2U;
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case AudioFeatures::PerformanceMetricsVersion2:
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case AudioFeatures::VariadicCommandBuffer:
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return version_num >= 5U;
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default:
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return false;
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}
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@ -28,6 +28,8 @@ private:
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enum class AudioFeatures : u32 {
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Splitter,
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PerformanceMetricsVersion2,
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VariadicCommandBuffer,
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};
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bool IsFeatureSupported(AudioFeatures feature, u32_le revision) const;
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