86 lines
2.3 KiB
C++
86 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_PocketSphinxRecognitionService_h
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#define mozilla_dom_PocketSphinxRecognitionService_h
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#include "nsCOMPtr.h"
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#include "nsTArray.h"
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#include "nsIObserver.h"
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#include "nsISpeechRecognitionService.h"
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#include "speex/speex_resampler.h"
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extern "C" {
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#include <pocketsphinx/pocketsphinx.h>
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#include <sphinxbase/sphinx_config.h>
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}
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#define NS_POCKETSPHINX_SPEECH_RECOGNITION_SERVICE_CID \
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{ \
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0x0ff5ce56, 0x5b09, 0x4db8, { \
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0xad, 0xc6, 0x82, 0x66, 0xaf, 0x95, 0xf8, 0x64 \
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} \
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};
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namespace mozilla {
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/**
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* Pocketsphix implementation of the nsISpeechRecognitionService interface
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*/
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class PocketSphinxSpeechRecognitionService : public nsISpeechRecognitionService,
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public nsIObserver
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{
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public:
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// Add XPCOM glue code
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NS_DECL_ISUPPORTS
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NS_DECL_NSISPEECHRECOGNITIONSERVICE
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// Add nsIObserver code
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NS_DECL_NSIOBSERVER
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/**
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* Default constructs a PocketSphinxSpeechRecognitionService loading default
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* files
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*/
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PocketSphinxSpeechRecognitionService();
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private:
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/**
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* Private destructor to prevent bypassing of reference counting
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*/
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virtual ~PocketSphinxSpeechRecognitionService();
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/** The associated SpeechRecognition */
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WeakPtr<dom::SpeechRecognition> mRecognition;
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/**
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* Builds a mock SpeechRecognitionResultList
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*/
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dom::SpeechRecognitionResultList* BuildMockResultList();
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/** Speex state */
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SpeexResamplerState* mSpeexState;
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/** Pocksphix decoder */
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ps_decoder_t* mPSHandle;
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/** Sphinxbase parsed command line arguments */
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cmd_ln_t* mPSConfig;
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/** Flag to verify if decoder was created */
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bool ISDecoderCreated;
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/** Flag to verify if grammar was compiled */
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bool ISGrammarCompiled;
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/** Audio data */
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nsTArray<int16_t> mAudioVector;
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};
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} // namespace mozilla
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#endif
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