[audio_core/hid] Audio REV12+15 support + HID fixes (#2719)

This fixes newer updates / games.

Implements partial audio rev15, rev13, rev12 and HID issues on SDK20+ games.

Credits to LotP (Ryubing) and Zephyron (Citron) for their research and implementation.

Co-authored-by: Zephyron <zephyron@citron-emu.org>
Co-authored-by: Shinmegumi <shinmegumi@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/2719
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>
Co-authored-by: unknown <sahyno1996@gmail.com>
Co-committed-by: unknown <sahyno1996@gmail.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/src/audio_core/renderer/command/command_buffer.cpp b/src/audio_core/renderer/command/command_buffer.cpp
index d680e0c74b..a0a574fc64 100644
--- a/src/audio_core/renderer/command/command_buffer.cpp
+++ b/src/audio_core/renderer/command/command_buffer.cpp
@@ -237,6 +237,13 @@ void CommandBuffer::GenerateBiquadFilterCommand(const s32 node_id, VoiceInfo& vo
 
     cmd.biquad = voice_info.biquads[biquad_index];
 
+    if (voice_info.use_float_biquads) {
+        cmd.biquad_float = voice_info.biquads_float[biquad_index];
+        cmd.use_float_coefficients = true;
+    } else {
+        cmd.use_float_coefficients = false;
+    }
+
     cmd.state = memory_pool->Translate(CpuAddr(voice_state.biquad_states[biquad_index].data()),
                                        MaxBiquadFilters * sizeof(VoiceState::BiquadFilterState));
 
@@ -263,6 +270,9 @@ void CommandBuffer::GenerateBiquadFilterCommand(const s32 node_id, EffectInfoBas
     cmd.biquad.b = parameter.b;
     cmd.biquad.a = parameter.a;
 
+    // Effects use legacy fixed-point format
+    cmd.use_float_coefficients = false;
+
     cmd.state = memory_pool->Translate(CpuAddr(state),
                                        MaxBiquadFilters * sizeof(VoiceState::BiquadFilterState));
 
@@ -658,6 +668,13 @@ void CommandBuffer::GenerateMultitapBiquadFilterCommand(const s32 node_id, Voice
     cmd.output = buffer_count + channel;
     cmd.biquads = voice_info.biquads;
 
+    if (voice_info.use_float_biquads) {
+        cmd.biquads_float = voice_info.biquads_float;
+        cmd.use_float_coefficients = true;
+    } else {
+        cmd.use_float_coefficients = false;
+    }
+
     cmd.states[0] =
         memory_pool->Translate(CpuAddr(voice_state.biquad_states[0].data()),
                                MaxBiquadFilters * sizeof(VoiceState::BiquadFilterState));