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-rw-r--r--dom/media/webspeech/synth/windows/SapiModule.cpp57
-rw-r--r--dom/media/webspeech/synth/windows/SapiService.cpp470
-rw-r--r--dom/media/webspeech/synth/windows/SapiService.h59
-rw-r--r--dom/media/webspeech/synth/windows/moz.build13
4 files changed, 599 insertions, 0 deletions
diff --git a/dom/media/webspeech/synth/windows/SapiModule.cpp b/dom/media/webspeech/synth/windows/SapiModule.cpp
new file mode 100644
index 000000000..f9d7c9a89
--- /dev/null
+++ b/dom/media/webspeech/synth/windows/SapiModule.cpp
@@ -0,0 +1,57 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/ModuleUtils.h"
+#include "nsIClassInfoImpl.h"
+
+#include "SapiService.h"
+
+using namespace mozilla::dom;
+
+#define SAPISERVICE_CID \
+ {0x21b4a45b, 0x9806, 0x4021, {0xa7, 0x06, 0xd7, 0x68, 0xab, 0x05, 0x48, 0xf9}}
+
+#define SAPISERVICE_CONTRACTID "@mozilla.org/synthsapi;1"
+
+// Defines SapiServiceConstructor
+NS_GENERIC_FACTORY_SINGLETON_CONSTRUCTOR(SapiService,
+ SapiService::GetInstanceForService)
+
+// Defines kSAPISERVICE_CID
+NS_DEFINE_NAMED_CID(SAPISERVICE_CID);
+
+static const mozilla::Module::CIDEntry kCIDs[] = {
+ { &kSAPISERVICE_CID, true, nullptr, SapiServiceConstructor },
+ { nullptr }
+};
+
+static const mozilla::Module::ContractIDEntry kContracts[] = {
+ { SAPISERVICE_CONTRACTID, &kSAPISERVICE_CID },
+ { nullptr }
+};
+
+static const mozilla::Module::CategoryEntry kCategories[] = {
+ { "speech-synth-started", "Sapi Speech Synth", SAPISERVICE_CONTRACTID },
+ { nullptr }
+};
+
+static void
+UnloadSapiModule()
+{
+ SapiService::Shutdown();
+}
+
+static const mozilla::Module kModule = {
+ mozilla::Module::kVersion,
+ kCIDs,
+ kContracts,
+ kCategories,
+ nullptr,
+ nullptr,
+ UnloadSapiModule
+};
+
+NSMODULE_DEFN(synthsapi) = &kModule;
diff --git a/dom/media/webspeech/synth/windows/SapiService.cpp b/dom/media/webspeech/synth/windows/SapiService.cpp
new file mode 100644
index 000000000..95f35ebff
--- /dev/null
+++ b/dom/media/webspeech/synth/windows/SapiService.cpp
@@ -0,0 +1,470 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsISupports.h"
+#include "SapiService.h"
+#include "nsServiceManagerUtils.h"
+#include "nsWin32Locale.h"
+#include "GeckoProfiler.h"
+#include "nsEscape.h"
+
+#include "mozilla/dom/nsSynthVoiceRegistry.h"
+#include "mozilla/dom/nsSpeechTask.h"
+#include "mozilla/Preferences.h"
+
+namespace mozilla {
+namespace dom {
+
+StaticRefPtr<SapiService> SapiService::sSingleton;
+
+class SapiCallback final : public nsISpeechTaskCallback
+{
+public:
+ SapiCallback(nsISpeechTask* aTask, ISpVoice* aSapiClient,
+ uint32_t aTextOffset, uint32_t aSpeakTextLen)
+ : mTask(aTask)
+ , mSapiClient(aSapiClient)
+ , mTextOffset(aTextOffset)
+ , mSpeakTextLen(aSpeakTextLen)
+ , mCurrentIndex(0)
+ , mStreamNum(0)
+ {
+ mStartingTime = GetTickCount();
+ }
+
+ NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+ NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(SapiCallback, nsISpeechTaskCallback)
+
+ NS_DECL_NSISPEECHTASKCALLBACK
+
+ ULONG GetStreamNum() const { return mStreamNum; }
+ void SetStreamNum(ULONG aValue) { mStreamNum = aValue; }
+
+ void OnSpeechEvent(const SPEVENT& speechEvent);
+
+private:
+ ~SapiCallback() { }
+
+ // This pointer is used to dispatch events
+ nsCOMPtr<nsISpeechTask> mTask;
+ RefPtr<ISpVoice> mSapiClient;
+
+ uint32_t mTextOffset;
+ uint32_t mSpeakTextLen;
+
+ // Used for calculating the time taken to speak the utterance
+ double mStartingTime;
+ uint32_t mCurrentIndex;
+
+ ULONG mStreamNum;
+};
+
+NS_IMPL_CYCLE_COLLECTION(SapiCallback, mTask);
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(SapiCallback)
+ NS_INTERFACE_MAP_ENTRY(nsISpeechTaskCallback)
+ NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsISpeechTaskCallback)
+NS_INTERFACE_MAP_END
+
+NS_IMPL_CYCLE_COLLECTING_ADDREF(SapiCallback)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(SapiCallback)
+
+NS_IMETHODIMP
+SapiCallback::OnPause()
+{
+ if (FAILED(mSapiClient->Pause())) {
+ return NS_ERROR_FAILURE;
+ }
+ if (!mTask) {
+ // When calling pause() on child porcess, it may not receive end event
+ // from chrome process yet.
+ return NS_ERROR_FAILURE;
+ }
+ mTask->DispatchPause(GetTickCount() - mStartingTime, mCurrentIndex);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+SapiCallback::OnResume()
+{
+ if (FAILED(mSapiClient->Resume())) {
+ return NS_ERROR_FAILURE;
+ }
+ if (!mTask) {
+ // When calling resume() on child porcess, it may not receive end event
+ // from chrome process yet.
+ return NS_ERROR_FAILURE;
+ }
+ mTask->DispatchResume(GetTickCount() - mStartingTime, mCurrentIndex);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+SapiCallback::OnCancel()
+{
+ // After cancel, mCurrentIndex may be updated.
+ // At cancel case, use mCurrentIndex for DispatchEnd.
+ mSpeakTextLen = 0;
+ // Purge all the previous utterances and speak an empty string
+ if (FAILED(mSapiClient->Speak(nullptr, SPF_PURGEBEFORESPEAK, nullptr))) {
+ return NS_ERROR_FAILURE;
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+SapiCallback::OnVolumeChanged(float aVolume)
+{
+ mSapiClient->SetVolume(static_cast<USHORT>(aVolume * 100));
+ return NS_OK;
+}
+
+void
+SapiCallback::OnSpeechEvent(const SPEVENT& speechEvent)
+{
+ switch (speechEvent.eEventId) {
+ case SPEI_START_INPUT_STREAM:
+ mTask->DispatchStart();
+ break;
+ case SPEI_END_INPUT_STREAM:
+ if (mSpeakTextLen) {
+ mCurrentIndex = mSpeakTextLen;
+ }
+ mTask->DispatchEnd(GetTickCount() - mStartingTime, mCurrentIndex);
+ mTask = nullptr;
+ break;
+ case SPEI_TTS_BOOKMARK:
+ mCurrentIndex = static_cast<ULONG>(speechEvent.lParam) - mTextOffset;
+ mTask->DispatchBoundary(NS_LITERAL_STRING("mark"),
+ GetTickCount() - mStartingTime, mCurrentIndex);
+ break;
+ case SPEI_WORD_BOUNDARY:
+ mCurrentIndex = static_cast<ULONG>(speechEvent.lParam) - mTextOffset;
+ mTask->DispatchBoundary(NS_LITERAL_STRING("word"),
+ GetTickCount() - mStartingTime, mCurrentIndex);
+ break;
+ case SPEI_SENTENCE_BOUNDARY:
+ mCurrentIndex = static_cast<ULONG>(speechEvent.lParam) - mTextOffset;
+ mTask->DispatchBoundary(NS_LITERAL_STRING("sentence"),
+ GetTickCount() - mStartingTime, mCurrentIndex);
+ break;
+ default:
+ break;
+ }
+}
+
+// static
+void __stdcall
+SapiService::SpeechEventCallback(WPARAM aWParam, LPARAM aLParam)
+{
+ RefPtr<ISpVoice> spVoice = (ISpVoice*) aWParam;
+ RefPtr<SapiService> service = (SapiService*) aLParam;
+
+ SPEVENT speechEvent;
+ while (spVoice->GetEvents(1, &speechEvent, nullptr) == S_OK) {
+ for (size_t i = 0; i < service->mCallbacks.Length(); i++) {
+ RefPtr<SapiCallback> callback = service->mCallbacks[i];
+ if (callback->GetStreamNum() == speechEvent.ulStreamNum) {
+ callback->OnSpeechEvent(speechEvent);
+ if (speechEvent.eEventId == SPEI_END_INPUT_STREAM) {
+ service->mCallbacks.RemoveElementAt(i);
+ }
+ break;
+ }
+ }
+ }
+}
+
+NS_INTERFACE_MAP_BEGIN(SapiService)
+ NS_INTERFACE_MAP_ENTRY(nsISpeechService)
+ NS_INTERFACE_MAP_ENTRY(nsIObserver)
+ NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsISpeechService)
+NS_INTERFACE_MAP_END
+
+NS_IMPL_ADDREF(SapiService)
+NS_IMPL_RELEASE(SapiService)
+
+SapiService::SapiService()
+ : mInitialized(false)
+{
+}
+
+SapiService::~SapiService()
+{
+}
+
+bool
+SapiService::Init()
+{
+ PROFILER_LABEL_FUNC(js::ProfileEntry::Category::OTHER);
+
+ MOZ_ASSERT(!mInitialized);
+
+ if (Preferences::GetBool("media.webspeech.synth.test") ||
+ !Preferences::GetBool("media.webspeech.synth.enabled")) {
+ // When enabled, we shouldn't add OS backend (Bug 1160844)
+ return false;
+ }
+
+ // Get all the voices from sapi and register in the SynthVoiceRegistry
+ if (!RegisterVoices()) {
+ return false;
+ }
+
+ mInitialized = true;
+ return true;
+}
+
+already_AddRefed<ISpVoice>
+SapiService::InitSapiInstance()
+{
+ RefPtr<ISpVoice> spVoice;
+ if (FAILED(CoCreateInstance(CLSID_SpVoice, nullptr, CLSCTX_ALL, IID_ISpVoice,
+ getter_AddRefs(spVoice)))) {
+ return nullptr;
+ }
+
+ // Set interest for all the events we are interested in
+ ULONGLONG eventMask =
+ SPFEI(SPEI_START_INPUT_STREAM) |
+ SPFEI(SPEI_TTS_BOOKMARK) |
+ SPFEI(SPEI_WORD_BOUNDARY) |
+ SPFEI(SPEI_SENTENCE_BOUNDARY) |
+ SPFEI(SPEI_END_INPUT_STREAM);
+
+ if (FAILED(spVoice->SetInterest(eventMask, eventMask))) {
+ return nullptr;
+ }
+
+ // Set the callback function for receiving the events
+ spVoice->SetNotifyCallbackFunction(
+ (SPNOTIFYCALLBACK*) SapiService::SpeechEventCallback,
+ (WPARAM) spVoice.get(), (LPARAM) this);
+
+ return spVoice.forget();
+}
+
+bool
+SapiService::RegisterVoices()
+{
+ nsresult rv;
+
+ nsCOMPtr<nsISynthVoiceRegistry> registry =
+ do_GetService(NS_SYNTHVOICEREGISTRY_CONTRACTID);
+ if (!registry) {
+ return false;
+ }
+
+ RefPtr<ISpObjectTokenCategory> category;
+ if (FAILED(CoCreateInstance(CLSID_SpObjectTokenCategory, nullptr, CLSCTX_ALL,
+ IID_ISpObjectTokenCategory,
+ getter_AddRefs(category)))) {
+ return false;
+ }
+ if (FAILED(category->SetId(SPCAT_VOICES, FALSE))) {
+ return false;
+ }
+
+ RefPtr<IEnumSpObjectTokens> voiceTokens;
+ if (FAILED(category->EnumTokens(nullptr, nullptr,
+ getter_AddRefs(voiceTokens)))) {
+ return false;
+ }
+
+ while (true) {
+ RefPtr<ISpObjectToken> voiceToken;
+ if (voiceTokens->Next(1, getter_AddRefs(voiceToken), nullptr) != S_OK) {
+ break;
+ }
+
+ RefPtr<ISpDataKey> attributes;
+ if (FAILED(voiceToken->OpenKey(L"Attributes",
+ getter_AddRefs(attributes)))) {
+ continue;
+ }
+
+ WCHAR* language = nullptr;
+ if (FAILED(attributes->GetStringValue(L"Language", &language))) {
+ continue;
+ }
+
+ // Language attribute is LCID by hex. So we need convert to locale
+ // name.
+ nsAutoString hexLcid;
+ LCID lcid = wcstol(language, nullptr, 16);
+ CoTaskMemFree(language);
+ nsAutoString locale;
+ nsWin32Locale::GetXPLocale(lcid, locale);
+
+ WCHAR* description = nullptr;
+ if (FAILED(voiceToken->GetStringValue(nullptr, &description))) {
+ continue;
+ }
+
+ nsAutoString uri;
+ uri.AssignLiteral("urn:moz-tts:sapi:");
+ uri.Append(description);
+ uri.AppendLiteral("?");
+ uri.Append(locale);
+
+ // This service can only speak one utterance at a time, se we set
+ // aQueuesUtterances to true in order to track global state and schedule
+ // access to this service.
+ rv = registry->AddVoice(this, uri, nsDependentString(description), locale,
+ true, true);
+ CoTaskMemFree(description);
+ if (NS_FAILED(rv)) {
+ continue;
+ }
+
+ mVoices.Put(uri, voiceToken);
+ }
+
+ registry->NotifyVoicesChanged();
+
+ return true;
+}
+
+NS_IMETHODIMP
+SapiService::Speak(const nsAString& aText, const nsAString& aUri,
+ float aVolume, float aRate, float aPitch,
+ nsISpeechTask* aTask)
+{
+ NS_ENSURE_TRUE(mInitialized, NS_ERROR_NOT_AVAILABLE);
+
+ RefPtr<ISpObjectToken> voiceToken;
+ if (!mVoices.Get(aUri, getter_AddRefs(voiceToken))) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+
+ RefPtr<ISpVoice> spVoice = InitSapiInstance();
+ if (!spVoice) {
+ return NS_ERROR_FAILURE;
+ }
+
+ if (FAILED(spVoice->SetVoice(voiceToken))) {
+ return NS_ERROR_FAILURE;
+ }
+
+ if (FAILED(spVoice->SetVolume(static_cast<USHORT>(aVolume * 100)))) {
+ return NS_ERROR_FAILURE;
+ }
+
+ // The max supported rate in SAPI engines is 3x, and the min is 1/3x. It is
+ // expressed by an integer. 0 being normal rate, -10 is 1/3 and 10 is 3x.
+ // Values below and above that are allowed, but the engine may clip the rate
+ // to its maximum capable value.
+ // "Each increment between -10 and +10 is logarithmically distributed such
+ // that incrementing or decrementing by 1 is multiplying or dividing the
+ // rate by the 10th root of 3"
+ // https://msdn.microsoft.com/en-us/library/ee431826(v=vs.85).aspx
+ long rate = aRate != 0 ? static_cast<long>(10 * log10(aRate) / log10(3)) : 0;
+ if (FAILED(spVoice->SetRate(rate))) {
+ return NS_ERROR_FAILURE;
+ }
+
+ // Set the pitch using xml
+ nsAutoString xml;
+ xml.AssignLiteral("<pitch absmiddle=\"");
+ // absmiddle doesn't allow float type
+ xml.AppendInt(static_cast<int32_t>(aPitch * 10.0f - 10.0f));
+ xml.AppendLiteral("\">");
+ uint32_t textOffset = xml.Length();
+
+ for (size_t i = 0; i < aText.Length(); i++) {
+ switch (aText[i]) {
+ case '&':
+ xml.AppendLiteral("&amp;");
+ break;
+ case '<':
+ xml.AppendLiteral("&lt;");
+ break;
+ case '>':
+ xml.AppendLiteral("&gt;");
+ break;
+ default:
+ xml.Append(aText[i]);
+ break;
+ }
+ }
+
+ xml.AppendLiteral("</pitch>");
+
+ RefPtr<SapiCallback> callback =
+ new SapiCallback(aTask, spVoice, textOffset, aText.Length());
+
+ // The last three parameters doesn't matter for an indirect service
+ nsresult rv = aTask->Setup(callback, 0, 0, 0);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ ULONG streamNum;
+ if (FAILED(spVoice->Speak(xml.get(), SPF_ASYNC, &streamNum))) {
+ aTask->Setup(nullptr, 0, 0, 0);
+ return NS_ERROR_FAILURE;
+ }
+
+ callback->SetStreamNum(streamNum);
+ // streamNum reassigns same value when last stream is finished even if
+ // callback for stream end isn't called
+ // So we cannot use data hashtable and has to add it to vector at last.
+ mCallbacks.AppendElement(callback);
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+SapiService::GetServiceType(SpeechServiceType* aServiceType)
+{
+ *aServiceType = nsISpeechService::SERVICETYPE_INDIRECT_AUDIO;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+SapiService::Observe(nsISupports* aSubject, const char* aTopic,
+ const char16_t* aData)
+{
+ return NS_OK;
+}
+
+SapiService*
+SapiService::GetInstance()
+{
+ MOZ_ASSERT(NS_IsMainThread());
+ if (XRE_GetProcessType() != GeckoProcessType_Default) {
+ MOZ_ASSERT(false,
+ "SapiService can only be started on main gecko process");
+ return nullptr;
+ }
+
+ if (!sSingleton) {
+ RefPtr<SapiService> service = new SapiService();
+ if (service->Init()) {
+ sSingleton = service;
+ }
+ }
+ return sSingleton;
+}
+
+already_AddRefed<SapiService>
+SapiService::GetInstanceForService()
+{
+ RefPtr<SapiService> sapiService = GetInstance();
+ return sapiService.forget();
+}
+
+void
+SapiService::Shutdown()
+{
+ if (!sSingleton) {
+ return;
+ }
+ sSingleton = nullptr;
+}
+
+} // namespace dom
+} // namespace mozilla
diff --git a/dom/media/webspeech/synth/windows/SapiService.h b/dom/media/webspeech/synth/windows/SapiService.h
new file mode 100644
index 000000000..cde743cc2
--- /dev/null
+++ b/dom/media/webspeech/synth/windows/SapiService.h
@@ -0,0 +1,59 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_SapiService_h
+#define mozilla_dom_SapiService_h
+
+#include "nsISpeechService.h"
+#include "nsIObserver.h"
+#include "nsRefPtrHashtable.h"
+#include "nsTArray.h"
+#include "mozilla/StaticPtr.h"
+
+#include <windows.h>
+#include <sapi.h>
+
+namespace mozilla {
+namespace dom {
+
+class SapiCallback;
+
+class SapiService final : public nsISpeechService
+ , public nsIObserver
+{
+public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSISPEECHSERVICE
+ NS_DECL_NSIOBSERVER
+
+ SapiService();
+ bool Init();
+
+ static SapiService* GetInstance();
+ static already_AddRefed<SapiService> GetInstanceForService();
+
+ static void Shutdown();
+
+ static void __stdcall SpeechEventCallback(WPARAM aWParam, LPARAM aLParam);
+
+private:
+ virtual ~SapiService();
+
+ already_AddRefed<ISpVoice> InitSapiInstance();
+ bool RegisterVoices();
+
+ nsRefPtrHashtable<nsStringHashKey, ISpObjectToken> mVoices;
+ nsTArray<RefPtr<SapiCallback>> mCallbacks;
+
+ bool mInitialized;
+
+ static StaticRefPtr<SapiService> sSingleton;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif
diff --git a/dom/media/webspeech/synth/windows/moz.build b/dom/media/webspeech/synth/windows/moz.build
new file mode 100644
index 000000000..f0ff9f2c9
--- /dev/null
+++ b/dom/media/webspeech/synth/windows/moz.build
@@ -0,0 +1,13 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+UNIFIED_SOURCES += [
+ 'SapiModule.cpp',
+ 'SapiService.cpp'
+]
+include('/ipc/chromium/chromium-config.mozbuild')
+
+FINAL_LIBRARY = 'xul'
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-13 23:20:07 +0000