import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/media/webspeech/recognition/PocketSphinxSpeechRecognitionService.h

@@ -0,0 +1,85 @@
+/* -*- 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/. */
+
+#ifndef mozilla_dom_PocketSphinxRecognitionService_h
+#define mozilla_dom_PocketSphinxRecognitionService_h
+
+#include "nsCOMPtr.h"
+#include "nsTArray.h"
+#include "nsIObserver.h"
+#include "nsISpeechRecognitionService.h"
+#include "speex/speex_resampler.h"
+
+extern "C" {
+#include <pocketsphinx/pocketsphinx.h>
+#include <sphinxbase/sphinx_config.h>
+}
+
+#define NS_POCKETSPHINX_SPEECH_RECOGNITION_SERVICE_CID                         \
+  {                                                                            \
+    0x0ff5ce56, 0x5b09, 0x4db8, {                                              \
+      0xad, 0xc6, 0x82, 0x66, 0xaf, 0x95, 0xf8, 0x64                           \
+    }                                                                          \
+  };
+
+namespace mozilla {
+
+/**
+ * Pocketsphix implementation of the nsISpeechRecognitionService interface
+ */
+class PocketSphinxSpeechRecognitionService : public nsISpeechRecognitionService,
+                                             public nsIObserver
+{
+public:
+  // Add XPCOM glue code
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSISPEECHRECOGNITIONSERVICE
+
+  // Add nsIObserver code
+  NS_DECL_NSIOBSERVER
+
+  /**
+   * Default constructs a PocketSphinxSpeechRecognitionService loading default
+   * files
+   */
+  PocketSphinxSpeechRecognitionService();
+
+private:
+  /**
+   * Private destructor to prevent bypassing of reference counting
+   */
+  virtual ~PocketSphinxSpeechRecognitionService();
+
+  /** The associated SpeechRecognition */
+  WeakPtr<dom::SpeechRecognition> mRecognition;
+
+  /**
+   * Builds a mock SpeechRecognitionResultList
+   */
+  dom::SpeechRecognitionResultList* BuildMockResultList();
+
+  /** Speex state */
+  SpeexResamplerState* mSpeexState;
+
+  /** Pocksphix decoder */
+  ps_decoder_t* mPSHandle;
+
+  /** Sphinxbase parsed command line arguments */
+  cmd_ln_t* mPSConfig;
+
+  /** Flag to verify if decoder was created */
+  bool ISDecoderCreated;
+
+  /** Flag to verify if grammar was compiled */
+  bool ISGrammarCompiled;
+
+  /** Audio data */
+  nsTArray<int16_t> mAudioVector;
+};
+
+} // namespace mozilla
+
+#endif