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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "content/browser/speech/google_one_shot_remote_engine.h" | 5 #include "content/browser/speech/google_one_shot_remote_engine.h" |
| 6 | 6 |
| 7 #include <vector> | 7 #include <vector> |
| 8 | 8 |
| 9 #include "base/json/json_reader.h" | 9 #include "base/json/json_reader.h" |
| 10 #include "base/string_number_conversions.h" | 10 #include "base/string_number_conversions.h" |
| 11 #include "base/string_util.h" | 11 #include "base/string_util.h" |
| 12 #include "base/values.h" | 12 #include "base/values.h" |
| 13 #include "content/browser/speech/audio_buffer.h" | 13 #include "content/browser/speech/audio_buffer.h" |
| 14 #include "content/public/common/speech_recognition_error.h" | 14 #include "content/public/common/speech_recognition_error.h" |
| 15 #include "content/public/common/speech_recognition_result.h" | 15 #include "content/public/common/speech_recognition_result.h" |
| 16 #include "content/public/common/url_fetcher.h" | |
| 17 #include "net/base/escape.h" | 16 #include "net/base/escape.h" |
| 18 #include "net/base/load_flags.h" | 17 #include "net/base/load_flags.h" |
| 18 #include "net/url_request/url_fetcher.h" |
| 19 #include "net/url_request/url_request_context.h" | 19 #include "net/url_request/url_request_context.h" |
| 20 #include "net/url_request/url_request_context_getter.h" | 20 #include "net/url_request/url_request_context_getter.h" |
| 21 #include "net/url_request/url_request_status.h" | 21 #include "net/url_request/url_request_status.h" |
| 22 | 22 |
| 23 using content::SpeechRecognitionError; | 23 using content::SpeechRecognitionError; |
| 24 using content::SpeechRecognitionHypothesis; | 24 using content::SpeechRecognitionHypothesis; |
| 25 using content::SpeechRecognitionResult; | 25 using content::SpeechRecognitionResult; |
| 26 | 26 |
| 27 namespace { | 27 namespace { |
| 28 | 28 |
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| 200 true)); | 200 true)); |
| 201 parts.push_back("maxresults=" + base::IntToString(kMaxResults)); | 201 parts.push_back("maxresults=" + base::IntToString(kMaxResults)); |
| 202 parts.push_back(config_.filter_profanities ? "pfilter=2" : "pfilter=0"); | 202 parts.push_back(config_.filter_profanities ? "pfilter=2" : "pfilter=0"); |
| 203 | 203 |
| 204 GURL url(std::string(kDefaultSpeechRecognitionUrl) + JoinString(parts, '&')); | 204 GURL url(std::string(kDefaultSpeechRecognitionUrl) + JoinString(parts, '&')); |
| 205 | 205 |
| 206 encoder_.reset(AudioEncoder::Create(kDefaultAudioCodec, | 206 encoder_.reset(AudioEncoder::Create(kDefaultAudioCodec, |
| 207 config_.audio_sample_rate, | 207 config_.audio_sample_rate, |
| 208 config_.audio_num_bits_per_sample)); | 208 config_.audio_num_bits_per_sample)); |
| 209 DCHECK(encoder_.get()); | 209 DCHECK(encoder_.get()); |
| 210 url_fetcher_.reset(content::URLFetcher::Create(url_fetcher_id_for_tests, | 210 url_fetcher_.reset(net::URLFetcher::Create(url_fetcher_id_for_tests, |
| 211 url, | 211 url, |
| 212 net::URLFetcher::POST, | 212 net::URLFetcher::POST, |
| 213 this)); | 213 this)); |
| 214 url_fetcher_->SetChunkedUpload(encoder_->mime_type()); | 214 url_fetcher_->SetChunkedUpload(encoder_->mime_type()); |
| 215 url_fetcher_->SetRequestContext(url_context_); | 215 url_fetcher_->SetRequestContext(url_context_); |
| 216 url_fetcher_->SetReferrer(config_.origin_url); | 216 url_fetcher_->SetReferrer(config_.origin_url); |
| 217 | 217 |
| 218 // The speech recognition API does not require user identification as part | 218 // The speech recognition API does not require user identification as part |
| 219 // of requests, so we don't send cookies or auth data for these requests to | 219 // of requests, so we don't send cookies or auth data for these requests to |
| 220 // prevent any accidental connection between users who are logged into the | 220 // prevent any accidental connection between users who are logged into the |
| 221 // domain for other services (e.g. bookmark sync) with the speech requests. | 221 // domain for other services (e.g. bookmark sync) with the speech requests. |
| 222 url_fetcher_->SetLoadFlags(net::LOAD_DO_NOT_SAVE_COOKIES | | 222 url_fetcher_->SetLoadFlags(net::LOAD_DO_NOT_SAVE_COOKIES | |
| 223 net::LOAD_DO_NOT_SEND_COOKIES | | 223 net::LOAD_DO_NOT_SEND_COOKIES | |
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| 285 | 285 |
| 286 bool GoogleOneShotRemoteEngine::IsRecognitionPending() const { | 286 bool GoogleOneShotRemoteEngine::IsRecognitionPending() const { |
| 287 return url_fetcher_ != NULL; | 287 return url_fetcher_ != NULL; |
| 288 } | 288 } |
| 289 | 289 |
| 290 int GoogleOneShotRemoteEngine::GetDesiredAudioChunkDurationMs() const { | 290 int GoogleOneShotRemoteEngine::GetDesiredAudioChunkDurationMs() const { |
| 291 return kAudioPacketIntervalMs; | 291 return kAudioPacketIntervalMs; |
| 292 } | 292 } |
| 293 | 293 |
| 294 } // namespace speech | 294 } // namespace speech |
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