diff --git a/src/audio_core/audio_renderer.h b/src/audio_core/audio_renderer.h
index 201ec7a3cab216cc12b91fbdd7b0ec53cfb4d2fa..b2e5d336cfed24bbd6a6726a308d200b6d205faa 100644
--- a/src/audio_core/audio_renderer.h
+++ b/src/audio_core/audio_renderer.h
@@ -46,16 +46,18 @@ struct AudioRendererParameter {
u32_le sample_rate;
u32_le sample_count;
u32_le mix_buffer_count;
- u32_le unknown_c;
+ u32_le submix_count;
u32_le voice_count;
u32_le sink_count;
u32_le effect_count;
- u32_le unknown_1c;
- u8 unknown_20;
- INSERT_PADDING_BYTES(3);
+ u32_le performance_frame_count;
+ u8 is_voice_drop_enabled;
+ u8 unknown_21;
+ u8 unknown_22;
+ u8 execution_mode;
u32_le splitter_count;
- u32_le unknown_2c;
- INSERT_PADDING_WORDS(1);
+ u32_le num_splitter_send_channels;
+ u32_le unknown_30;
u32_le revision;
};
static_assert(sizeof(AudioRendererParameter) == 52, "AudioRendererParameter is an invalid size");
diff --git a/src/core/hle/service/audio/audren_u.cpp b/src/core/hle/service/audio/audren_u.cpp
index 7e0cc64a81c5d2130aa1619fe34f0a30df4eeba6..49648394c45614d3e7522ad84d92cbf5ba53dcbf 100644
--- a/src/core/hle/service/audio/audren_u.cpp
+++ b/src/core/hle/service/audio/audren_u.cpp
@@ -262,20 +262,20 @@ void AudRenU::GetAudioRendererWorkBufferSize(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Audio, "called");
u64 buffer_sz = Common::AlignUp(4 * params.mix_buffer_count, 0x40);
- buffer_sz += params.unknown_c * 1024;
- buffer_sz += 0x940 * (params.unknown_c + 1);
+ buffer_sz += params.submix_count * 1024;
+ buffer_sz += 0x940 * (params.submix_count + 1);
buffer_sz += 0x3F0 * params.voice_count;
- buffer_sz += Common::AlignUp(8 * (params.unknown_c + 1), 0x10);
+ buffer_sz += Common::AlignUp(8 * (params.submix_count + 1), 0x10);
buffer_sz += Common::AlignUp(8 * params.voice_count, 0x10);
- buffer_sz +=
- Common::AlignUp((0x3C0 * (params.sink_count + params.unknown_c) + 4 * params.sample_count) *
- (params.mix_buffer_count + 6),
- 0x40);
+ buffer_sz += Common::AlignUp(
+ (0x3C0 * (params.sink_count + params.submix_count) + 4 * params.sample_count) *
+ (params.mix_buffer_count + 6),
+ 0x40);
if (IsFeatureSupported(AudioFeatures::Splitter, params.revision)) {
- u32 count = params.unknown_c + 1;
+ const u32 count = params.submix_count + 1;
u64 node_count = Common::AlignUp(count, 0x40);
- u64 node_state_buffer_sz =
+ const u64 node_state_buffer_sz =
4 * (node_count * node_count) + 0xC * node_count + 2 * (node_count / 8);
u64 edge_matrix_buffer_sz = 0;
node_count = Common::AlignUp(count * count, 0x40);
@@ -289,19 +289,19 @@ void AudRenU::GetAudioRendererWorkBufferSize(Kernel::HLERequestContext& ctx) {
buffer_sz += 0x20 * (params.effect_count + 4 * params.voice_count) + 0x50;
if (IsFeatureSupported(AudioFeatures::Splitter, params.revision)) {
- buffer_sz += 0xE0 * params.unknown_2c;
+ buffer_sz += 0xE0 * params.num_splitter_send_channels;
buffer_sz += 0x20 * params.splitter_count;
- buffer_sz += Common::AlignUp(4 * params.unknown_2c, 0x10);
+ buffer_sz += Common::AlignUp(4 * params.num_splitter_send_channels, 0x10);
}
buffer_sz = Common::AlignUp(buffer_sz, 0x40) + 0x170 * params.sink_count;
u64 output_sz = buffer_sz + 0x280 * params.sink_count + 0x4B0 * params.effect_count +
((params.voice_count * 256) | 0x40);
- if (params.unknown_1c >= 1) {
+ if (params.performance_frame_count >= 1) {
output_sz = Common::AlignUp(((16 * params.sink_count + 16 * params.effect_count +
16 * params.voice_count + 16) +
0x658) *
- (params.unknown_1c + 1) +
+ (params.performance_frame_count + 1) +
0xc0,
0x40) +
output_sz;