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
  46 CPulseStreamSpec::CPulseStreamSpec():
  47     __mLatency(EStreamLatency::STREAM_LATENCY_INPUT_DEFAULT),
  48     __mStreamName(NULL) {
  49     __adjustSpec();
  50 }
  51
  52 CPulseStreamSpec::CPulseStreamSpec(EStreamLatency latency, CAudioInfo& audioInfo) :
  53     __mLatency(latency),
  54     __mAudioInfo(audioInfo),
  55     __mStreamName(NULL) {
  56     __adjustSpec();
  57 }
  58
  59 CPulseStreamSpec::CPulseStreamSpec(EStreamLatency latency, CAudioInfo& audioInfo, int customLatency) :
  60     __mLatency(latency),
  61     __mAudioInfo(audioInfo),
  62     __mStreamName(NULL) {
  63     __adjustSpec();
  64 }
  65
  66 CPulseStreamSpec::~CPulseStreamSpec() {
  67 }
  68
  69 void CPulseStreamSpec::__adjustSpec() {
  70     // Sets a sampleRate
  71     __mSampleSpec.rate = __mAudioInfo.getSampleRate();
  72
  73     // Convert channels for PA
  74     switch (__mAudioInfo.getChannel()) {
  75     case CAudioInfo::EChannel::CHANNEL_MONO:
  76         __mSampleSpec.channels = 1;
  77         break;
  78
  79     case CAudioInfo::EChannel::CHANNEL_STEREO:
  80     default:
  81         __mSampleSpec.channels = 2;
  82         break;
  83     }
  84
  85     // Convert format for PA
  86     switch (__mAudioInfo.getSampleType()) {
  87     case CAudioInfo::ESampleType::SAMPLE_TYPE_U8:
  88         __mSampleSpec.format = PA_SAMPLE_U8;
  89         break;
  90
  91     case CAudioInfo::ESampleType::SAMPLE_TYPE_S16_LE:
  92         __mSampleSpec.format = PA_SAMPLE_S16LE;
  93         break;
  94
  95     case CAudioInfo::ESampleType::SAMPLE_TYPE_S24_LE:
  96         __mSampleSpec.format = PA_SAMPLE_S24LE;
  97         break;
  98
  99     case CAudioInfo::ESampleType::SAMPLE_TYPE_S24_32_LE:
 100         __mSampleSpec.format = PA_SAMPLE_S24_32LE;
 101         break;
 102
 103     default:
 104         __mSampleSpec.format = PA_SAMPLE_S16LE;
 105         break;
 106     }
 107
 108     // Sets channelmap
 109     pa_channel_map_init_auto(&__mChannelMap, __mSampleSpec.channels, PA_CHANNEL_MAP_ALSA);
 110
 111     // Sets stream name
 112     switch (__mLatency) {
 113     case EStreamLatency::STREAM_LATENCY_INPUT_LOW:
 114         __mStreamName = STREAM_NAME_INPUT_LOW_LATENCY;
 115         break;
 116
 117     case EStreamLatency::STREAM_LATENCY_INPUT_MID:
 118         __mStreamName = STREAM_NAME_INPUT_MID_LATENCY;
 119         break;
 120
 121     case EStreamLatency::STREAM_LATENCY_INPUT_HIGH:
 122         __mStreamName = STREAM_NAME_INPUT_HIGH_LATENCY;
 123         break;
 124
 125     case EStreamLatency::STREAM_LATENCY_INPUT_VOIP:
 126         __mStreamName = STREAM_NAME_INPUT_VOIP;
 127         break;
 128
 129     case EStreamLatency::STREAM_LATENCY_INPUT_DEFAULT:
 130         __mStreamName = STREAM_NAME_INPUT_DEFAULT;
 131         break;
 132
 133     case EStreamLatency::STREAM_LATENCY_OUTPUT_LOW:
 134         __mStreamName = STREAM_NAME_OUTPUT_LOW_LATENCY;
 135         break;
 136
 137     case EStreamLatency::STREAM_LATENCY_OUTPUT_MID:
 138         __mStreamName = STREAM_NAME_OUTPUT_MID_LATENCY;
 139         break;
 140
 141     case EStreamLatency::STREAM_LATENCY_OUTPUT_HIGH:
 142         __mStreamName = STREAM_NAME_OUTPUT_HIGH_LATENCY;
 143         break;
 144
 145     case EStreamLatency::STREAM_LATENCY_OUTPUT_VOIP:
 146         __mStreamName = STREAM_NAME_OUTPUT_VOIP;
 147         break;
 148
 149     case EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT:
 150         __mStreamName = STREAM_NAME_OUTPUT_DEFAULT;
 151         break;
 152
 153     case EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT_ASYNC:
 154         __mStreamName = STREAM_NAME_OUTPUT_DEFAULT_ASYNC;
 155         break;
 156
 157     default:
 158         AUDIO_IO_LOGW("Invalid __mLatency[%d]", static_cast<int>(__mLatency));
 159         break;
 160     }
 161 }
 162
 163 CPulseStreamSpec::EStreamLatency CPulseStreamSpec::getStreamLatency() {
 164     return __mLatency;
 165 }
 166
 167 const char* CPulseStreamSpec::getStreamLatencyToString() {
 168     const char* latency;
 169
 170     switch (__mLatency) {
 171     case EStreamLatency::STREAM_LATENCY_INPUT_LOW:
 172     case EStreamLatency::STREAM_LATENCY_OUTPUT_LOW:
 173         latency = STREAM_LATENCY_LOW;
 174         break;
 175
 176     case EStreamLatency::STREAM_LATENCY_INPUT_MID:
 177     case EStreamLatency::STREAM_LATENCY_OUTPUT_MID:
 178         latency = STREAM_LATENCY_MID;
 179         break;
 180
 181     case EStreamLatency::STREAM_LATENCY_INPUT_HIGH:
 182     case EStreamLatency::STREAM_LATENCY_OUTPUT_HIGH:
 183         latency = STREAM_LATENCY_HIGH;
 184         break;
 185
 186     case EStreamLatency::STREAM_LATENCY_INPUT_VOIP:
 187     case EStreamLatency::STREAM_LATENCY_OUTPUT_VOIP:
 188         latency = STREAM_LATENCY_VOIP;
 189         break;
 190
 191     case EStreamLatency::STREAM_LATENCY_INPUT_DEFAULT:
 192     case EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT:
 193         latency = STREAM_LATENCY_DEFAULT;
 194         break;
 195
 196     case EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT_ASYNC:
 197         latency = STREAM_LATENCY_DEFAULT_ASYNC;
 198         break;
 199
 200     default:
 201         AUDIO_IO_LOGW("Invalid __mLatency[%d]", static_cast<int>(__mLatency));
 202         latency = STREAM_LATENCY_DEFAULT;
 203         break;
 204     }
 205
 206     return latency;
 207 }
 208
 209 CAudioInfo& CPulseStreamSpec::getAudioInfo() {
 210     return __mAudioInfo;
 211 }
 212
 213 pa_sample_spec CPulseStreamSpec::getSampleSpec() {
 214     return __mSampleSpec;
 215 }
 216
 217 pa_channel_map CPulseStreamSpec::getChannelMap() {
 218     return __mChannelMap;
 219 }
 220
 221 const char* CPulseStreamSpec::getStreamName() {
 222     return __mStreamName;
 223 }