Adds support for OpenSL ES based audio capture on Android

webrtc/modules/audio_device/android/audio_manager.cc

 /*
  *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 55 matching lines @@
 
 // AudioManager implementation
 AudioManager::AudioManager()
     : j_environment_(JVM::GetInstance()->environment()),
       audio_layer_(AudioDeviceModule::kPlatformDefaultAudio),
       initialized_(false),
       hardware_aec_(false),
       hardware_agc_(false),
       hardware_ns_(false),
       low_latency_playout_(false),
+      low_latency_record_(false),
       delay_estimate_in_milliseconds_(0) {
   ALOGD("ctor%s", GetThreadInfo().c_str());
   RTC_CHECK(j_environment_);
   JNINativeMethod native_methods[] = {
-      {"nativeCacheAudioParameters",
-       "(IIZZZZZIIJ)V",
+      {"nativeCacheAudioParameters", "(IIZZZZZZIIJ)V",
        reinterpret_cast<void*>(&webrtc::AudioManager::CacheAudioParameters)}};
   j_native_registration_ = j_environment_->RegisterNatives(
       "org/webrtc/voiceengine/WebRtcAudioManager", native_methods,
       arraysize(native_methods));
   j_audio_manager_.reset(new JavaAudioManager(
       j_native_registration_.get(),
       j_native_registration_->NewObject(
           "<init>", "(Landroid/content/Context;J)V",
           JVM::GetInstance()->context(), PointerTojlong(this))));
 }
@@ skipping 107 matching lines @@
 
 bool AudioManager::IsLowLatencyPlayoutSupported() const {
   RTC_DCHECK(thread_checker_.CalledOnValidThread());
   ALOGD("IsLowLatencyPlayoutSupported()");
   // Some devices are blacklisted for usage of OpenSL ES even if they report
   // that low-latency playout is supported. See b/21485703 for details.
   return j_audio_manager_->IsDeviceBlacklistedForOpenSLESUsage() ?
       false : low_latency_playout_;
 }
 
+bool AudioManager::IsLowLatencyRecordSupported() const {
+  RTC_DCHECK(thread_checker_.CalledOnValidThread());
+  ALOGD("IsLowLatencyRecordSupported()");
+  return low_latency_record_;
+}
+
 bool AudioManager::IsProAudioSupported() const {
   RTC_DCHECK(thread_checker_.CalledOnValidThread());
   ALOGD("IsProAudioSupported()");
   // TODO(henrika): return the state independently of if OpenSL ES is
   // blacklisted or not for now. We could use the same approach as in
   // IsLowLatencyPlayoutSupported() but I can't see the need for it yet.
   return pro_audio_;
 }
 
 int AudioManager::GetDelayEstimateInMilliseconds() const {
   return delay_estimate_in_milliseconds_;
 }
 
 void JNICALL AudioManager::CacheAudioParameters(JNIEnv* env,
                                                 jobject obj,
                                                 jint sample_rate,
                                                 jint channels,
                                                 jboolean hardware_aec,
                                                 jboolean hardware_agc,
                                                 jboolean hardware_ns,
                                                 jboolean low_latency_output,
+                                                jboolean low_latency_input,
                                                 jboolean pro_audio,
                                                 jint output_buffer_size,
                                                 jint input_buffer_size,
                                                 jlong native_audio_manager) {
   webrtc::AudioManager* this_object =
       reinterpret_cast<webrtc::AudioManager*>(native_audio_manager);
   this_object->OnCacheAudioParameters(
       env, sample_rate, channels, hardware_aec, hardware_agc, hardware_ns,
-      low_latency_output, pro_audio, output_buffer_size, input_buffer_size);
+      low_latency_output, low_latency_input, pro_audio, output_buffer_size,
+      input_buffer_size);
 }
 
 void AudioManager::OnCacheAudioParameters(JNIEnv* env,
                                           jint sample_rate,
                                           jint channels,
                                           jboolean hardware_aec,
                                           jboolean hardware_agc,
                                           jboolean hardware_ns,
                                           jboolean low_latency_output,
+                                          jboolean low_latency_input,
                                           jboolean pro_audio,
                                           jint output_buffer_size,
                                           jint input_buffer_size) {
   ALOGD("OnCacheAudioParameters%s", GetThreadInfo().c_str());
   ALOGD("hardware_aec: %d", hardware_aec);
   ALOGD("hardware_agc: %d", hardware_agc);
   ALOGD("hardware_ns: %d", hardware_ns);
   ALOGD("low_latency_output: %d", low_latency_output);
+  ALOGD("low_latency_input: %d", low_latency_input);
   ALOGD("pro_audio: %d", pro_audio);
   ALOGD("sample_rate: %d", sample_rate);
   ALOGD("channels: %d", channels);
   ALOGD("output_buffer_size: %d", output_buffer_size);
   ALOGD("input_buffer_size: %d", input_buffer_size);
   RTC_DCHECK(thread_checker_.CalledOnValidThread());
   hardware_aec_ = hardware_aec;
   hardware_agc_ = hardware_agc;
   hardware_ns_ = hardware_ns;
   low_latency_playout_ = low_latency_output;
+  low_latency_record_ = low_latency_input;
   pro_audio_ = pro_audio;
   // TODO(henrika): add support for stereo output.
   playout_parameters_.reset(sample_rate, static_cast<size_t>(channels),
                             static_cast<size_t>(output_buffer_size));
   record_parameters_.reset(sample_rate, static_cast<size_t>(channels),
                            static_cast<size_t>(input_buffer_size));
 }
 
 const AudioParameters& AudioManager::GetPlayoutAudioParameters() {
   RTC_CHECK(playout_parameters_.is_valid());
   RTC_DCHECK(thread_checker_.CalledOnValidThread());
   return playout_parameters_;
 }
 
 const AudioParameters& AudioManager::GetRecordAudioParameters() {
   RTC_CHECK(record_parameters_.is_valid());
   RTC_DCHECK(thread_checker_.CalledOnValidThread());
   return record_parameters_;
 }
 
 }  // namespace webrtc