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     default:
  93         __mSampleSpec.format = PA_SAMPLE_S16LE;
  94         break;
  95     }
  96
  97     // Sets channelmap
  98     pa_channel_map_init_auto(&__mChannelMap, __mSampleSpec.channels, PA_CHANNEL_MAP_ALSA);
  99
 100     // Sets stream name
 101     switch (__mLatency) {
 102     case EStreamLatency::STREAM_LATENCY_INPUT_LOW:
 103         __mStreamName = STREAM_NAME_INPUT_LOW_LATENCY;
 104         break;
 105
 106     case EStreamLatency::STREAM_LATENCY_INPUT_MID:
 107         __mStreamName = STREAM_NAME_INPUT_MID_LATENCY;
 108         break;
 109
 110     case EStreamLatency::STREAM_LATENCY_INPUT_HIGH:
 111         __mStreamName = STREAM_NAME_INPUT_HIGH_LATENCY;
 112         break;
 113
 114     case EStreamLatency::STREAM_LATENCY_INPUT_VOIP:
 115         __mStreamName = STREAM_NAME_INPUT_VOIP;
 116         break;
 117
 118     case EStreamLatency::STREAM_LATENCY_INPUT_DEFAULT:
 119         __mStreamName = STREAM_NAME_INPUT_DEFAULT;
 120         break;
 121
 122     case EStreamLatency::STREAM_LATENCY_OUTPUT_LOW:
 123         __mStreamName = STREAM_NAME_OUTPUT_LOW_LATENCY;
 124         break;
 125
 126     case EStreamLatency::STREAM_LATENCY_OUTPUT_MID:
 127         __mStreamName = STREAM_NAME_OUTPUT_MID_LATENCY;
 128         break;
 129
 130     case EStreamLatency::STREAM_LATENCY_OUTPUT_HIGH:
 131         __mStreamName = STREAM_NAME_OUTPUT_HIGH_LATENCY;
 132         break;
 133
 134     case EStreamLatency::STREAM_LATENCY_OUTPUT_VOIP:
 135         __mStreamName = STREAM_NAME_OUTPUT_VOIP;
 136         break;
 137
 138     case EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT:
 139         __mStreamName = STREAM_NAME_OUTPUT_DEFAULT;
 140         break;
 141
 142     case EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT_ASYNC:
 143         __mStreamName = STREAM_NAME_OUTPUT_DEFAULT_ASYNC;
 144         break;
 145
 146     default:
 147         AUDIO_IO_LOGW("Invalid __mLatency[%d]", static_cast<int>(__mLatency));
 148         break;
 149     }
 150 }
 151
 152 CPulseStreamSpec::EStreamLatency CPulseStreamSpec::getStreamLatency() {
 153     return __mLatency;
 154 }
 155
 156 const char* CPulseStreamSpec::getStreamLatencyToString() {
 157     const char* latency;
 158
 159     switch (__mLatency) {
 160     case EStreamLatency::STREAM_LATENCY_INPUT_LOW:
 161     case EStreamLatency::STREAM_LATENCY_OUTPUT_LOW:
 162         latency = STREAM_LATENCY_LOW;
 163         break;
 164
 165     case EStreamLatency::STREAM_LATENCY_INPUT_MID:
 166     case EStreamLatency::STREAM_LATENCY_OUTPUT_MID:
 167         latency = STREAM_LATENCY_MID;
 168         break;
 169
 170     case EStreamLatency::STREAM_LATENCY_INPUT_HIGH:
 171     case EStreamLatency::STREAM_LATENCY_OUTPUT_HIGH:
 172         latency = STREAM_LATENCY_HIGH;
 173         break;
 174
 175     case EStreamLatency::STREAM_LATENCY_INPUT_VOIP:
 176     case EStreamLatency::STREAM_LATENCY_OUTPUT_VOIP:
 177         latency = STREAM_LATENCY_VOIP;
 178         break;
 179
 180     case EStreamLatency::STREAM_LATENCY_INPUT_DEFAULT:
 181     case EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT:
 182         latency = STREAM_LATENCY_DEFAULT;
 183         break;
 184
 185     case EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT_ASYNC:
 186         latency = STREAM_LATENCY_DEFAULT_ASYNC;
 187         break;
 188
 189     default:
 190         AUDIO_IO_LOGW("Invalid __mLatency[%d]", static_cast<int>(__mLatency));
 191         latency = STREAM_LATENCY_DEFAULT;
 192         break;
 193     }
 194
 195     return latency;
 196 }
 197
 198 CAudioInfo& CPulseStreamSpec::getAudioInfo() {
 199     return __mAudioInfo;
 200 }
 201
 202 pa_sample_spec CPulseStreamSpec::getSampleSpec() {
 203     return __mSampleSpec;
 204 }
 205
 206 pa_channel_map CPulseStreamSpec::getChannelMap() {
 207     return __mChannelMap;
 208 }
 209
 210 const char* CPulseStreamSpec::getStreamName() {
 211     return __mStreamName;
 212 }