Initial re-upload of spice2x-24-08-24

hooks/audio/backends/wasapi/dummy_audio_session_control.cpp

@@ -0,0 +1,176 @@
+#include "dummy_audio_session_control.h"
+
+#include <algorithm>
+
+#include "dummy_audio_client.h"
+#include "wasapi_private.h"
+
+#if 1
+#define WRAP_DEBUG log_misc("audio::wasapi", "{}::{}", CLASS_NAME, __func__)
+#else
+#define WRAP_DEBUG do {} while (0)
+#endif
+
+const char CLASS_NAME[] = "DummyIAudioSessionControl";
+
+// IUnknown
+HRESULT STDMETHODCALLTYPE DummyIAudioSessionControl::QueryInterface(REFIID riid, void **ppvObj) {
+    if (ppvObj == nullptr) {
+        return E_POINTER;
+    }
+
+    if (riid == IID_DummyIAudioSessionControl ||
+        riid == IID_IAudioSessionControl)
+    {
+        this->AddRef();
+        *ppvObj = this;
+
+        return S_OK;
+    }
+
+    return E_NOINTERFACE;
+}
+ULONG STDMETHODCALLTYPE DummyIAudioSessionControl::AddRef() {
+    return ++this->ref_cnt;
+}
+ULONG STDMETHODCALLTYPE DummyIAudioSessionControl::Release() {
+    ULONG refs = --this->ref_cnt;
+
+    if (refs == 0) {
+        delete this;
+    }
+
+    return refs;
+}
+
+// IAudioSessionControl
+HRESULT STDMETHODCALLTYPE DummyIAudioSessionControl::GetState(AudioSessionState *pRetVal) {
+    CHECK_RESULT(E_NOTIMPL);
+}
+HRESULT STDMETHODCALLTYPE DummyIAudioSessionControl::GetDisplayName(LPWSTR *pRetVal) {
+    WRAP_DEBUG;
+
+    if (!pRetVal) {
+        return E_POINTER;
+    }
+
+    auto length = this->display_name.length();
+    auto value = reinterpret_cast<LPWSTR>(CoTaskMemAlloc(length + 1));
+
+    if (!value) {
+        CHECK_RESULT(E_OUTOFMEMORY);
+    }
+
+    memcpy(value, this->display_name.c_str(), length);
+    value[length] = L'\0';
+
+    *pRetVal = value;
+
+    return S_OK;
+}
+HRESULT STDMETHODCALLTYPE DummyIAudioSessionControl::SetDisplayName(
+    LPCWSTR Value,
+    LPCGUID EventContext)
+{
+    WRAP_DEBUG;
+
+    if (!Value) {
+        return E_POINTER;
+    }
+
+    this->display_name = std::wstring(Value);
+
+    return S_OK;
+}
+HRESULT STDMETHODCALLTYPE DummyIAudioSessionControl::GetIconPath(LPWSTR *pRetVal) {
+    WRAP_DEBUG;
+
+    if (!pRetVal) {
+        return E_POINTER;
+    }
+
+    auto length = this->icon_path.length();
+    auto value = reinterpret_cast<LPWSTR>(CoTaskMemAlloc(length + 1));
+
+    if (!value) {
+        CHECK_RESULT(E_OUTOFMEMORY);
+    }
+
+    memcpy(value, this->icon_path.c_str(), length);
+    value[length] = L'\0';
+
+    *pRetVal = value;
+
+    return S_OK;
+}
+HRESULT STDMETHODCALLTYPE DummyIAudioSessionControl::SetIconPath(
+    LPCWSTR Value,
+    LPCGUID EventContext)
+{
+    WRAP_DEBUG;
+
+    if (!Value) {
+        return E_POINTER;
+    }
+
+    this->icon_path = std::wstring(Value);
+
+    return S_OK;
+}
+HRESULT STDMETHODCALLTYPE DummyIAudioSessionControl::GetGroupingParam(GUID *pRetVal) {
+    WRAP_DEBUG;
+
+    if (!pRetVal) {
+        return E_POINTER;
+    }
+
+    memcpy(pRetVal, &this->grouping_param, sizeof(this->grouping_param));
+
+    return S_OK;
+}
+HRESULT STDMETHODCALLTYPE DummyIAudioSessionControl::SetGroupingParam(
+    LPCGUID Override,
+    LPCGUID EventContext)
+{
+    WRAP_DEBUG;
+
+    if (!Override) {
+        return E_POINTER;
+    }
+
+    memcpy(&this->grouping_param, Override, sizeof(this->grouping_param));
+
+    return S_OK;
+}
+HRESULT STDMETHODCALLTYPE DummyIAudioSessionControl::RegisterAudioSessionNotification(
+    IAudioSessionEvents *NewNotifications)
+{
+    WRAP_DEBUG;
+
+    if (!NewNotifications) {
+        return E_POINTER;
+    }
+
+    this->client->session_notification_handlers.emplace_back(NewNotifications);
+
+    return S_OK;
+}
+HRESULT STDMETHODCALLTYPE DummyIAudioSessionControl::UnregisterAudioSessionNotification(
+    IAudioSessionEvents *NewNotifications)
+{
+    WRAP_DEBUG;
+
+    if (!NewNotifications) {
+        return E_POINTER;
+    }
+
+    this->client->session_notification_handlers.erase(
+        std::remove(
+            this->client->session_notification_handlers.begin(),
+            this->client->session_notification_handlers.end(),
+            NewNotifications
+        ),
+        this->client->session_notification_handlers.end());
+
+    return S_OK;
+}