1 files changed, 0 insertions, 357 deletions
diff --git a/dom/media/webspeech/recognition/PocketSphinxSpeechRecognitionService.cpp b/dom/media/webspeech/recognition/PocketSphinxSpeechRecognitionService.cpp
deleted file mode 100644
index b7aa5f2d7..000000000
--- a/dom/media/webspeech/recognition/PocketSphinxSpeechRecognitionService.cpp
+++ /dev/null
@@ -1,357 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim:set ts=2 sw=2 sts=2 et cindent: */
-/* 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 "nsThreadUtils.h"
-#include "nsXPCOMCIDInternal.h"
-#include "PocketSphinxSpeechRecognitionService.h"
-#include "nsIFile.h"
-#include "SpeechGrammar.h"
-#include "SpeechRecognition.h"
-#include "SpeechRecognitionAlternative.h"
-#include "SpeechRecognitionResult.h"
-#include "SpeechRecognitionResultList.h"
-#include "nsIObserverService.h"
-#include "MediaPrefs.h"
-#include "mozilla/Services.h"
-#include "nsDirectoryServiceDefs.h"
-#include "nsDirectoryServiceUtils.h"
-#include "nsMemory.h"
-
-extern "C" {
-#include "pocketsphinx/pocketsphinx.h"
-#include "sphinxbase/logmath.h"
-#include "sphinxbase/sphinx_config.h"
-#include "sphinxbase/jsgf.h"
-}
-
-namespace mozilla {
-
-using namespace dom;
-
-class DecodeResultTask : public Runnable
-{
-public:
-  DecodeResultTask(const nsString& hypstring,
-                   float64 confidence,
-                   WeakPtr<dom::SpeechRecognition> recognition)
-      : mResult(hypstring),
-        mConfidence(confidence),
-        mRecognition(recognition),
-        mWorkerThread(do_GetCurrentThread())
-  {
-    MOZ_ASSERT(
-      !NS_IsMainThread()); // This should be running on the worker thread
-  }
-
-  NS_IMETHOD
-  Run() override
-  {
-    MOZ_ASSERT(NS_IsMainThread()); // This method is supposed to run on the main
-                                   // thread!
-
-    // Declare javascript result events
-    RefPtr<SpeechEvent> event = new SpeechEvent(
-      mRecognition, SpeechRecognition::EVENT_RECOGNITIONSERVICE_FINAL_RESULT);
-    SpeechRecognitionResultList* resultList =
-      new SpeechRecognitionResultList(mRecognition);
-    SpeechRecognitionResult* result = new SpeechRecognitionResult(mRecognition);
-    if (0 < mRecognition->MaxAlternatives()) {
-      SpeechRecognitionAlternative* alternative =
-        new SpeechRecognitionAlternative(mRecognition);
-
-      alternative->mTranscript = mResult;
-      alternative->mConfidence = mConfidence;
-
-      result->mItems.AppendElement(alternative);
-    }
-    resultList->mItems.AppendElement(result);
-
-    event->mRecognitionResultList = resultList;
-    NS_DispatchToMainThread(event);
-
-    // If we don't destroy the thread when we're done with it, it will hang
-    // around forever... bad!
-    // But thread->Shutdown must be called from the main thread, not from the
-    // thread itself.
-    return mWorkerThread->Shutdown();
-  }
-
-private:
-  nsString mResult;
-  float64 mConfidence;
-  WeakPtr<dom::SpeechRecognition> mRecognition;
-  nsCOMPtr<nsIThread> mWorkerThread;
-};
-
-class DecodeTask : public Runnable
-{
-public:
-  DecodeTask(WeakPtr<dom::SpeechRecognition> recogntion,
-             const nsTArray<int16_t>& audiovector, ps_decoder_t* ps)
-      : mRecognition(recogntion), mAudiovector(audiovector), mPs(ps)
-  {
-  }
-
-  NS_IMETHOD
-  Run() override
-  {
-    char const* hyp;
-    int rv;
-    int32 final;
-    int32 logprob;
-    float64 confidence;
-    nsAutoCString hypoValue;
-
-    rv = ps_start_utt(mPs);
-    rv = ps_process_raw(mPs, &mAudiovector[0], mAudiovector.Length(), FALSE,
-                        FALSE);
-
-    rv = ps_end_utt(mPs);
-    confidence = 0;
-    if (rv >= 0) {
-      hyp = ps_get_hyp_final(mPs, &final);
-      if (hyp && final) {
-        logprob = ps_get_prob(mPs);
-        confidence = logmath_exp(ps_get_logmath(mPs), logprob);
-        hypoValue.Assign(hyp);
-      }
-    }
-
-    nsCOMPtr<nsIRunnable> resultrunnable =
-      new DecodeResultTask(NS_ConvertUTF8toUTF16(hypoValue), confidence, mRecognition);
-    return NS_DispatchToMainThread(resultrunnable);
-  }
-
-private:
-  WeakPtr<dom::SpeechRecognition> mRecognition;
-  nsTArray<int16_t> mAudiovector;
-  ps_decoder_t* mPs;
-};
-
-NS_IMPL_ISUPPORTS(PocketSphinxSpeechRecognitionService,
-                  nsISpeechRecognitionService, nsIObserver)
-
-PocketSphinxSpeechRecognitionService::PocketSphinxSpeechRecognitionService()
-{
-  mSpeexState = nullptr;
-
-  // get root folder
-  nsCOMPtr<nsIFile> tmpFile;
-  nsAutoString aStringAMPath;   // am folder
-  nsAutoString aStringDictPath; // dict folder
-
-  NS_GetSpecialDirectory(NS_GRE_DIR, getter_AddRefs(tmpFile));
-#if defined(XP_WIN) // for some reason, on windows NS_GRE_DIR is not bin root,
-                    // but bin/browser
-  tmpFile->AppendRelativePath(NS_LITERAL_STRING(".."));
-#endif
-  tmpFile->AppendRelativePath(NS_LITERAL_STRING("models"));
-  tmpFile->AppendRelativePath(NS_LITERAL_STRING("en-US"));
-  tmpFile->GetPath(aStringAMPath);
-
-  NS_GetSpecialDirectory(NS_GRE_DIR, getter_AddRefs(tmpFile));
-#if defined(XP_WIN) // for some reason, on windows NS_GRE_DIR is not bin root,
-                    // but bin/browser
-  tmpFile->AppendRelativePath(NS_LITERAL_STRING(".."));
-#endif
-  tmpFile->AppendRelativePath(NS_LITERAL_STRING("models"));     //
-  tmpFile->AppendRelativePath(NS_LITERAL_STRING("dict"));       //
-  tmpFile->AppendRelativePath(NS_LITERAL_STRING("en-US.dic")); //
-  tmpFile->GetPath(aStringDictPath);
-
-  // FOR B2G PATHS HARDCODED (APPEND /DATA ON THE BEGINING, FOR DESKTOP, ONLY
-  // MODELS/ RELATIVE TO ROOT
-  mPSConfig = cmd_ln_init(nullptr, ps_args(), TRUE, "-bestpath", "yes", "-hmm",
-                          ToNewUTF8String(aStringAMPath), // acoustic model
-                          "-dict", ToNewUTF8String(aStringDictPath), nullptr);
-  if (mPSConfig == nullptr) {
-    ISDecoderCreated = false;
-  } else {
-    mPSHandle = ps_init(mPSConfig);
-    if (mPSHandle == nullptr) {
-      ISDecoderCreated = false;
-    } else {
-      ISDecoderCreated = true;
-    }
-  }
-
-  ISGrammarCompiled = false;
-}
-
-PocketSphinxSpeechRecognitionService::~PocketSphinxSpeechRecognitionService()
-{
-  if (mPSConfig) {
-    free(mPSConfig);
-  }
-  if (mPSHandle) {
-    free(mPSHandle);
-  }
-
-  mSpeexState = nullptr;
-}
-
-// CALL START IN JS FALLS HERE
-NS_IMETHODIMP
-PocketSphinxSpeechRecognitionService::Initialize(
-    WeakPtr<SpeechRecognition> aSpeechRecognition)
-{
-  if (!ISDecoderCreated || !ISGrammarCompiled) {
-    return NS_ERROR_NOT_INITIALIZED;
-  } else {
-    mAudioVector.Clear();
-
-    if (mSpeexState) {
-      mSpeexState = nullptr;
-    }
-
-    mRecognition = aSpeechRecognition;
-    nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
-    obs->AddObserver(this, SPEECH_RECOGNITION_TEST_EVENT_REQUEST_TOPIC, false);
-    obs->AddObserver(this, SPEECH_RECOGNITION_TEST_END_TOPIC, false);
-    return NS_OK;
-  }
-}
-
-NS_IMETHODIMP
-PocketSphinxSpeechRecognitionService::ProcessAudioSegment(
-  AudioSegment* aAudioSegment, int32_t aSampleRate)
-{
-  if (!mSpeexState) {
-    mSpeexState = speex_resampler_init(1, aSampleRate, 16000,
-                                       SPEEX_RESAMPLER_QUALITY_MAX, nullptr);
-  }
-  aAudioSegment->ResampleChunks(mSpeexState, aSampleRate, 16000);
-
-  AudioSegment::ChunkIterator iterator(*aAudioSegment);
-
-  while (!iterator.IsEnded()) {
-    mozilla::AudioChunk& chunk = *(iterator);
-    MOZ_ASSERT(chunk.mBuffer);
-    const int16_t* buf = static_cast<const int16_t*>(chunk.mChannelData[0]);
-
-    for (int i = 0; i < iterator->mDuration; i++) {
-      mAudioVector.AppendElement((int16_t)buf[i]);
-    }
-    iterator.Next();
-  }
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-PocketSphinxSpeechRecognitionService::SoundEnd()
-{
-  speex_resampler_destroy(mSpeexState);
-  mSpeexState = nullptr;
-
-  // To create a new thread, get the thread manager
-  nsCOMPtr<nsIThreadManager> tm = do_GetService(NS_THREADMANAGER_CONTRACTID);
-  nsCOMPtr<nsIThread> decodethread;
-  nsresult rv = tm->NewThread(0, 0, getter_AddRefs(decodethread));
-  if (NS_FAILED(rv)) {
-    // In case of failure, call back immediately with an empty string which
-    // indicates failure
-    return NS_OK;
-  }
-
-  nsCOMPtr<nsIRunnable> r =
-    new DecodeTask(mRecognition, mAudioVector, mPSHandle);
-  decodethread->Dispatch(r, nsIEventTarget::DISPATCH_NORMAL);
-
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-PocketSphinxSpeechRecognitionService::ValidateAndSetGrammarList(
-  SpeechGrammar* aSpeechGrammar,
-  nsISpeechGrammarCompilationCallback* aCallback)
-{
-  if (!ISDecoderCreated) {
-    ISGrammarCompiled = false;
-  } else if (aSpeechGrammar) {
-    nsAutoString grammar;
-    ErrorResult rv;
-    aSpeechGrammar->GetSrc(grammar, rv);
-
-    int result = ps_set_jsgf_string(mPSHandle, "name",
-                                    NS_ConvertUTF16toUTF8(grammar).get());
-
-    if (result != 0) {
-      ISGrammarCompiled = false;
-    } else {
-      ps_set_search(mPSHandle, "name");
-
-      ISGrammarCompiled = true;
-    }
-  } else {
-    ISGrammarCompiled = false;
-  }
-
-  return ISGrammarCompiled ? NS_OK : NS_ERROR_NOT_INITIALIZED;
-}
-
-NS_IMETHODIMP
-PocketSphinxSpeechRecognitionService::Abort()
-{
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-PocketSphinxSpeechRecognitionService::Observe(nsISupports* aSubject,
-                                              const char* aTopic,
-                                              const char16_t* aData)
-{
-  MOZ_ASSERT(MediaPrefs::WebSpeechFakeRecognitionService(),
-             "Got request to fake recognition service event, "
-             "but " TEST_PREFERENCE_FAKE_RECOGNITION_SERVICE " is not set");
-
-  if (!strcmp(aTopic, SPEECH_RECOGNITION_TEST_END_TOPIC)) {
-    nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
-    obs->RemoveObserver(this, SPEECH_RECOGNITION_TEST_EVENT_REQUEST_TOPIC);
-    obs->RemoveObserver(this, SPEECH_RECOGNITION_TEST_END_TOPIC);
-
-    return NS_OK;
-  }
-
-  const nsDependentString eventName = nsDependentString(aData);
-
-  if (eventName.EqualsLiteral("EVENT_RECOGNITIONSERVICE_ERROR")) {
-    mRecognition->DispatchError(
-      SpeechRecognition::EVENT_RECOGNITIONSERVICE_ERROR,
-      SpeechRecognitionErrorCode::Network, // TODO different codes?
-      NS_LITERAL_STRING("RECOGNITIONSERVICE_ERROR test event"));
-
-  } else if (eventName.EqualsLiteral("EVENT_RECOGNITIONSERVICE_FINAL_RESULT")) {
-    RefPtr<SpeechEvent> event = new SpeechEvent(
-      mRecognition, SpeechRecognition::EVENT_RECOGNITIONSERVICE_FINAL_RESULT);
-
-    event->mRecognitionResultList = BuildMockResultList();
-    NS_DispatchToMainThread(event);
-  }
-
-  return NS_OK;
-}
-
-SpeechRecognitionResultList*
-PocketSphinxSpeechRecognitionService::BuildMockResultList()
-{
-  SpeechRecognitionResultList* resultList =
-    new SpeechRecognitionResultList(mRecognition);
-  SpeechRecognitionResult* result = new SpeechRecognitionResult(mRecognition);
-  if (0 < mRecognition->MaxAlternatives()) {
-    SpeechRecognitionAlternative* alternative =
-      new SpeechRecognitionAlternative(mRecognition);
-
-    alternative->mTranscript = NS_LITERAL_STRING("Mock final result");
-    alternative->mConfidence = 0.0f;
-
-    result->mItems.AppendElement(alternative);
-  }
-  resultList->mItems.AppendElement(result);
-
-  return resultList;
-}
-
-} // namespace mozilla