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 22 using std::string; 23 24 namespace android 25 { 26 namespace audio_policy 27 { 28 29 status_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 */ 47 template <> 48 status_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 58 template <> 59 routing_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 65 template <> 66 status_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 76 template <> 77 audio_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
