From f0cd98154870662040bd17836cbbf42017965322 Mon Sep 17 00:00:00 2001
From: kalaposfos13 <153381648+kalaposfos13@users.noreply.github.com>
Date: Sun, 20 Jul 2025 20:15:16 +0200
Subject: [PATCH] Implement sceAudioOutGetLastOutputTime (#3279)

* Implement sceAudioOutGetLastOutputTime

* Error returns

* Logging
---
 src/core/libraries/audio/audioout.cpp | 17 +++++++++++++++--
 src/core/libraries/audio/audioout.h   |  3 ++-
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/src/core/libraries/audio/audioout.cpp b/src/core/libraries/audio/audioout.cpp
index 2ec44e80f..22b6b17ea 100644
--- a/src/core/libraries/audio/audioout.cpp
+++ b/src/core/libraries/audio/audioout.cpp
@@ -14,6 +14,7 @@
 #include "core/libraries/audio/audioout.h"
 #include "core/libraries/audio/audioout_backend.h"
 #include "core/libraries/audio/audioout_error.h"
+#include "core/libraries/kernel/time.h"
 #include "core/libraries/libs.h"
 
 namespace Libraries::AudioOut {
@@ -168,8 +169,19 @@ int PS4_SYSV_ABI sceAudioOutGetInfoOpenNum() {
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceAudioOutGetLastOutputTime() {
-    LOG_ERROR(Lib_AudioOut, "(STUBBED) called");
+int PS4_SYSV_ABI sceAudioOutGetLastOutputTime(s32 handle, u64* output_time) {
+    LOG_DEBUG(Lib_AudioOut, "called, handle: {}, output time: {}", handle, fmt::ptr(output_time));
+    if (!output_time) {
+        return ORBIS_AUDIO_OUT_ERROR_INVALID_POINTER;
+    }
+    if (handle >= ports_out.size()) {
+        return ORBIS_AUDIO_OUT_ERROR_INVALID_PORT;
+    }
+    auto& port = ports_out.at(handle - 1);
+    if (!port.IsOpen()) {
+        return ORBIS_AUDIO_OUT_ERROR_NOT_OPENED;
+    }
+    *output_time = port.last_output_time;
     return ORBIS_OK;
 }
 
@@ -396,6 +408,7 @@ s32 PS4_SYSV_ABI sceAudioOutOutput(s32 handle, void* ptr) {
         if (ptr != nullptr && port.IsOpen()) {
             std::memcpy(port.output_buffer, ptr, port.BufferSize());
             port.output_ready = true;
+            port.last_output_time = Kernel::sceKernelGetProcessTime();
         }
     }
     port.output_cv.notify_one();
diff --git a/src/core/libraries/audio/audioout.h b/src/core/libraries/audio/audioout.h
index 5247561ee..6d3a6399b 100644
--- a/src/core/libraries/audio/audioout.h
+++ b/src/core/libraries/audio/audioout.h
@@ -96,6 +96,7 @@ struct PortOut {
     AudioFormatInfo format_info;
     u32 sample_rate;
     u32 buffer_frames;
+    u64 last_output_time;
     std::array<s32, 8> volume;
 
     [[nodiscard]] bool IsOpen() const {
@@ -127,7 +128,7 @@ int PS4_SYSV_ABI sceAudioOutGetFocusEnablePid();
 int PS4_SYSV_ABI sceAudioOutGetHandleStatusInfo();
 int PS4_SYSV_ABI sceAudioOutGetInfo();
 int PS4_SYSV_ABI sceAudioOutGetInfoOpenNum();
-int PS4_SYSV_ABI sceAudioOutGetLastOutputTime();
+int PS4_SYSV_ABI sceAudioOutGetLastOutputTime(s32 handle, u64* output_time);
 int PS4_SYSV_ABI sceAudioOutGetPortState(s32 handle, OrbisAudioOutPortState* state);
 int PS4_SYSV_ABI sceAudioOutGetSimulatedBusUsableStatusByBusType();
 int PS4_SYSV_ABI sceAudioOutGetSimulatedHandleStatusInfo();