1/* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#define LOG_TAG "APM::AudioPolicyEngine/Stream" 18 19#include "Stream.h" 20#include <system/audio.h> 21 22using std::string; 23 24namespace android 25{ 26namespace audio_policy 27{ 28 29status_t Element<audio_stream_type_t>::setIdentifier(audio_stream_type_t identifier) 30{ 31 if (identifier > AUDIO_STREAM_CNT) { 32 return BAD_VALUE; 33 } 34 mIdentifier = identifier; 35 ALOGD("%s: Stream %s identifier 0x%X", __FUNCTION__, getName().c_str(), identifier); 36 return NO_ERROR; 37} 38 39/** 40* Set the strategy to follow for this stream. 41* It checks if the strategy is valid. 42* 43* @param[in] strategy to be followed. 44* 45* @return NO_ERROR if the strategy is set correctly, error code otherwise. 46*/ 47template <> 48status_t Element<audio_stream_type_t>::set<routing_strategy>(routing_strategy strategy) 49{ 50 if (strategy >= NUM_STRATEGIES) { 51 return BAD_VALUE; 52 } 53 mApplicableStrategy = strategy; 54 ALOGD("%s: 0x%X for Stream %s", __FUNCTION__, strategy, getName().c_str()); 55 return NO_ERROR; 56} 57 58template <> 59routing_strategy Element<audio_stream_type_t>::get<routing_strategy>() const 60{ 61 ALOGV("%s: 0x%X for Stream %s", __FUNCTION__, mApplicableStrategy, getName().c_str()); 62 return mApplicableStrategy; 63} 64 65template <> 66status_t Element<audio_stream_type_t>::set<audio_stream_type_t>(audio_stream_type_t volumeProfile) 67{ 68 if (volumeProfile >= AUDIO_STREAM_CNT) { 69 return BAD_VALUE; 70 } 71 mVolumeProfile = volumeProfile; 72 ALOGD("%s: 0x%X for Stream %s", __FUNCTION__, mVolumeProfile, getName().c_str()); 73 return NO_ERROR; 74} 75 76template <> 77audio_stream_type_t Element<audio_stream_type_t>::get<audio_stream_type_t>() const 78{ 79 ALOGV("%s: 0x%X for Stream %s", __FUNCTION__, mVolumeProfile, getName().c_str()); 80 return mVolumeProfile; 81} 82 83} // namespace audio_policy 84} // namespace android 85 86