src/cpp/CPulseStreamSpec.cpp

   1 /*
   2  * Copyright (c) 2015 Samsung Electronics Co., Ltd All Rights Reserved
   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
  18 #include "CAudioIODef.h"
  19
  20
  21 using namespace std;
  22 using namespace tizen_media_audio;
  23
  24
  25 static const char* STREAM_NAME_INPUT_LOW_LATENCY   = "LOW LATENCY CAPTURE";
  26 static const char* STREAM_NAME_INPUT_MID_LATENCY   = "MID LATENCY CAPTURE";
  27 static const char* STREAM_NAME_INPUT_HIGH_LATENCY  = "HIGH LATENCY CAPTURE";
  28 static const char* STREAM_NAME_INPUT_VOIP          = "VOIP CAPTURE";
  29 static const char* STREAM_NAME_INPUT_DEFAULT       = "DEFAULT CAPTURE";
  30
  31 static const char* STREAM_NAME_OUTPUT_LOW_LATENCY  = "LOW LATENCY PLAYBACK";
  32 static const char* STREAM_NAME_OUTPUT_MID_LATENCY  = "MID LATENCY PLAYBACK";
  33 static const char* STREAM_NAME_OUTPUT_HIGH_LATENCY = "HIGH LATENCY PLAYBACK";
  34 static const char* STREAM_NAME_OUTPUT_VOIP         = "VOIP PLAYBACK";
  35 static const char* STREAM_NAME_OUTPUT_DEFAULT      = "DEFAULT PLAYBACK";
  36 static const char* STREAM_NAME_OUTPUT_DEFAULT_ASYNC      = "DEFAULT PLAYBACK ASYNC";
  37
  38 static const char* STREAM_LATENCY_LOW     = "low";
  39 static const char* STREAM_LATENCY_MID     = "mid";
  40 static const char* STREAM_LATENCY_HIGH    = "high";
  41 static const char* STREAM_LATENCY_VOIP    = "voip";
  42 static const char* STREAM_LATENCY_DEFAULT = "default";
  43 static const char* STREAM_LATENCY_DEFAULT_ASYNC = "default-async";
  44
  45 CPulseStreamSpec::CPulseStreamSpec(EStreamLatency latency, CAudioInfo& audioInfo) :
  46     __mLatency(latency),
  47     __mAudioInfo(audioInfo) {
  48     __adjustSpec();
  49 }
  50
  51 void CPulseStreamSpec::__adjustSpec() noexcept {
  52     // Sets a sampleRate
  53     __mSampleSpec.rate = __mAudioInfo.getSampleRate();
  54
  55     // Convert channels for PA
  56     __mSampleSpec.channels = static_cast<uint8_t>(__mAudioInfo.getChannel());
  57
  58     // Convert format for PA
  59     switch (__mAudioInfo.getSampleType()) {
  60     case CAudioInfo::ESampleType::SAMPLE_TYPE_U8:
  61         __mSampleSpec.format = PA_SAMPLE_U8;
  62         break;
  63
  64     case CAudioInfo::ESampleType::SAMPLE_TYPE_S16_LE:
  65         __mSampleSpec.format = PA_SAMPLE_S16LE;
  66         break;
  67
  68     case CAudioInfo::ESampleType::SAMPLE_TYPE_S24_LE:
  69         __mSampleSpec.format = PA_SAMPLE_S24LE;
  70         break;
  71
  72     case CAudioInfo::ESampleType::SAMPLE_TYPE_S24_32_LE:
  73         __mSampleSpec.format = PA_SAMPLE_S24_32LE;
  74         break;
  75
  76     case CAudioInfo::ESampleType::SAMPLE_TYPE_S32_LE:
  77         __mSampleSpec.format = PA_SAMPLE_S32LE;
  78         break;
  79
  80     default:
  81         __mSampleSpec.format = PA_SAMPLE_S16LE;
  82         break;
  83     }
  84
  85     // Sets channelmap
  86     pa_channel_map_init_extend(&__mChannelMap, __mSampleSpec.channels, PA_CHANNEL_MAP_ALSA);
  87
  88     // Sets stream name
  89     switch (__mLatency) {
  90 //LCOV_EXCL_START
  91     case EStreamLatency::STREAM_LATENCY_INPUT_LOW:
  92         __mStreamName = STREAM_NAME_INPUT_LOW_LATENCY;
  93         break;
  94
  95     case EStreamLatency::STREAM_LATENCY_INPUT_MID:
  96         __mStreamName = STREAM_NAME_INPUT_MID_LATENCY;
  97         break;
  98
  99     case EStreamLatency::STREAM_LATENCY_INPUT_HIGH:
 100         __mStreamName = STREAM_NAME_INPUT_HIGH_LATENCY;
 101         break;
 102
 103     case EStreamLatency::STREAM_LATENCY_INPUT_VOIP:
 104         __mStreamName = STREAM_NAME_INPUT_VOIP;
 105         break;
 106 //LCOV_EXCL_STOP
 107
 108     case EStreamLatency::STREAM_LATENCY_INPUT_DEFAULT:
 109         __mStreamName = STREAM_NAME_INPUT_DEFAULT;
 110         break;
 111
 112 //LCOV_EXCL_START
 113     case EStreamLatency::STREAM_LATENCY_OUTPUT_LOW:
 114         __mStreamName = STREAM_NAME_OUTPUT_LOW_LATENCY;
 115         break;
 116
 117     case EStreamLatency::STREAM_LATENCY_OUTPUT_MID:
 118         __mStreamName = STREAM_NAME_OUTPUT_MID_LATENCY;
 119         break;
 120
 121     case EStreamLatency::STREAM_LATENCY_OUTPUT_HIGH:
 122         __mStreamName = STREAM_NAME_OUTPUT_HIGH_LATENCY;
 123         break;
 124
 125     case EStreamLatency::STREAM_LATENCY_OUTPUT_VOIP:
 126         __mStreamName = STREAM_NAME_OUTPUT_VOIP;
 127         break;
 128 //LCOV_EXCL_STOP
 129
 130     case EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT:
 131         __mStreamName = STREAM_NAME_OUTPUT_DEFAULT;
 132         break;
 133
 134     case EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT_ASYNC:
 135         __mStreamName = STREAM_NAME_OUTPUT_DEFAULT_ASYNC;
 136         break;
 137
 138 //LCOV_EXCL_START
 139     default:
 140         AUDIO_IO_LOGW("Invalid __mLatency[%d]", static_cast<int>(__mLatency));
 141         break;
 142     }
 143 //LCOV_EXCL_STOP
 144 }
 145
 146 CPulseStreamSpec::EStreamLatency CPulseStreamSpec::getStreamLatency() const noexcept {
 147     return __mLatency;
 148 }
 149
 150 const char* CPulseStreamSpec::getStreamLatencyToString() const noexcept {
 151     const char* latency;
 152
 153     switch (__mLatency) {
 154 //LCOV_EXCL_START
 155     case EStreamLatency::STREAM_LATENCY_INPUT_LOW:
 156     case EStreamLatency::STREAM_LATENCY_OUTPUT_LOW:
 157         latency = STREAM_LATENCY_LOW;
 158         break;
 159
 160     case EStreamLatency::STREAM_LATENCY_INPUT_MID:
 161     case EStreamLatency::STREAM_LATENCY_OUTPUT_MID:
 162         latency = STREAM_LATENCY_MID;
 163         break;
 164
 165     case EStreamLatency::STREAM_LATENCY_INPUT_HIGH:
 166     case EStreamLatency::STREAM_LATENCY_OUTPUT_HIGH:
 167         latency = STREAM_LATENCY_HIGH;
 168         break;
 169
 170     case EStreamLatency::STREAM_LATENCY_INPUT_VOIP:
 171     case EStreamLatency::STREAM_LATENCY_OUTPUT_VOIP:
 172         latency = STREAM_LATENCY_VOIP;
 173         break;
 174 //LCOV_EXCL_STOP
 175
 176     case EStreamLatency::STREAM_LATENCY_INPUT_DEFAULT:
 177     case EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT:
 178         latency = STREAM_LATENCY_DEFAULT;
 179         break;
 180
 181     case EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT_ASYNC:
 182         latency = STREAM_LATENCY_DEFAULT_ASYNC;
 183         break;
 184
 185 //LCOV_EXCL_START
 186     default:
 187         AUDIO_IO_LOGW("Invalid __mLatency[%d]", static_cast<int>(__mLatency));
 188         latency = STREAM_LATENCY_DEFAULT;
 189         break;
 190 //LCOV_EXCL_STOP
 191     }
 192
 193     return latency;
 194 }
 195
 196 CAudioInfo& CPulseStreamSpec::getAudioInfo() noexcept {
 197     return __mAudioInfo;
 198 }
 199
 200 pa_sample_spec CPulseStreamSpec::getSampleSpec() const noexcept {
 201     return __mSampleSpec;
 202 }
 203
 204 pa_channel_map CPulseStreamSpec::getChannelMap() const noexcept {
 205     return __mChannelMap;
 206 }
 207
 208 const char* CPulseStreamSpec::getStreamName() const noexcept {
 209     return __mStreamName;
 210 }