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
  37 static const char* STREAM_LATENCY_LOW     = "low";
  38 static const char* STREAM_LATENCY_MID     = "mid";
  39 static const char* STREAM_LATENCY_HIGH    = "high";
  40 static const char* STREAM_LATENCY_VOIP    = "voip";
  41 static const char* STREAM_LATENCY_DEFAULT = "default";
  42
  43
  44 CPulseStreamSpec::CPulseStreamSpec() throw(CAudioError) :
  45     __mLatency(EStreamLatency::STREAM_LATENCY_INPUT_DEFAULT),
  46     __mStreamName(NULL) {
  47     __adjustSpec();
  48 }
  49
  50 CPulseStreamSpec::CPulseStreamSpec(EStreamLatency latency, CAudioInfo& audioInfo) throw(CAudioError) :
  51     __mLatency(latency),
  52     __mAudioInfo(audioInfo),
  53     __mStreamName(NULL) {
  54     __adjustSpec();
  55 }
  56
  57 CPulseStreamSpec::CPulseStreamSpec(EStreamLatency latency, CAudioInfo& audioInfo, int customLatency) throw(CAudioError) :
  58     __mLatency(latency),
  59     __mAudioInfo(audioInfo),
  60     __mStreamName(NULL) {
  61     __adjustSpec();
  62 }
  63
  64 CPulseStreamSpec::~CPulseStreamSpec() {
  65 }
  66
  67 void CPulseStreamSpec::__adjustSpec() throw(CAudioError) {
  68     // Sets a sampleRate
  69     __mSampleSpec.rate = __mAudioInfo.getSampleRate();
  70
  71     // Convert channels for PA
  72     switch (__mAudioInfo.getChannel()) {
  73     case CAudioInfo::EChannel::CHANNEL_MONO:
  74         __mSampleSpec.channels = 1;
  75         break;
  76
  77     case CAudioInfo::EChannel::CHANNEL_STEREO:
  78     default:
  79         __mSampleSpec.channels = 2;
  80         break;
  81     }
  82
  83     // Convert format for PA
  84     switch (__mAudioInfo.getSampleType()) {
  85     case CAudioInfo::ESampleType::SAMPLE_TYPE_U8:
  86         __mSampleSpec.format = PA_SAMPLE_U8;
  87         break;
  88
  89     case CAudioInfo::ESampleType::SAMPLE_TYPE_S16_LE:
  90     default:
  91         __mSampleSpec.format = PA_SAMPLE_S16LE;
  92         break;
  93     }
  94
  95     // Sets channelmap
  96     pa_channel_map_init_auto(&__mChannelMap, __mSampleSpec.channels, PA_CHANNEL_MAP_ALSA);
  97
  98     // Sets stream name
  99     switch (__mLatency) {
 100     case EStreamLatency::STREAM_LATENCY_INPUT_LOW:
 101         __mStreamName = STREAM_NAME_INPUT_LOW_LATENCY;
 102         break;
 103
 104     case EStreamLatency::STREAM_LATENCY_INPUT_MID:
 105         __mStreamName = STREAM_NAME_INPUT_MID_LATENCY;
 106         break;
 107
 108     case EStreamLatency::STREAM_LATENCY_INPUT_HIGH:
 109         __mStreamName = STREAM_NAME_INPUT_HIGH_LATENCY;
 110         break;
 111
 112     case EStreamLatency::STREAM_LATENCY_INPUT_VOIP:
 113         __mStreamName = STREAM_NAME_INPUT_VOIP;
 114         break;
 115
 116     case EStreamLatency::STREAM_LATENCY_INPUT_DEFAULT:
 117         __mStreamName = STREAM_NAME_INPUT_DEFAULT;
 118         break;
 119
 120     case EStreamLatency::STREAM_LATENCY_OUTPUT_LOW:
 121         __mStreamName = STREAM_NAME_OUTPUT_LOW_LATENCY;
 122         break;
 123
 124     case EStreamLatency::STREAM_LATENCY_OUTPUT_MID:
 125         __mStreamName = STREAM_NAME_OUTPUT_MID_LATENCY;
 126         break;
 127
 128     case EStreamLatency::STREAM_LATENCY_OUTPUT_HIGH:
 129         __mStreamName = STREAM_NAME_OUTPUT_HIGH_LATENCY;
 130         break;
 131
 132     case EStreamLatency::STREAM_LATENCY_OUTPUT_VOIP:
 133         __mStreamName = STREAM_NAME_OUTPUT_VOIP;
 134         break;
 135
 136     case EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT:
 137         __mStreamName = STREAM_NAME_OUTPUT_DEFAULT;
 138         break;
 139
 140     default:
 141         AUDIO_IO_LOGW("Invalid __mLatency[%d]", static_cast<int>(__mLatency));
 142         break;
 143     }
 144 }
 145
 146 CPulseStreamSpec::EStreamLatency CPulseStreamSpec::getStreamLatency() {
 147     return __mLatency;
 148 }
 149
 150 const char* CPulseStreamSpec::getStreamLatencyToString() {
 151     const char* latency;
 152
 153     switch (__mLatency) {
 154     case EStreamLatency::STREAM_LATENCY_INPUT_LOW:
 155     case EStreamLatency::STREAM_LATENCY_OUTPUT_LOW:
 156         latency = STREAM_LATENCY_LOW;
 157         break;
 158
 159     case EStreamLatency::STREAM_LATENCY_INPUT_MID:
 160     case EStreamLatency::STREAM_LATENCY_OUTPUT_MID:
 161         latency = STREAM_LATENCY_MID;
 162         break;
 163
 164     case EStreamLatency::STREAM_LATENCY_INPUT_HIGH:
 165     case EStreamLatency::STREAM_LATENCY_OUTPUT_HIGH:
 166         latency = STREAM_LATENCY_HIGH;
 167         break;
 168
 169     case EStreamLatency::STREAM_LATENCY_INPUT_VOIP:
 170     case EStreamLatency::STREAM_LATENCY_OUTPUT_VOIP:
 171         latency = STREAM_LATENCY_VOIP;
 172         break;
 173
 174     case EStreamLatency::STREAM_LATENCY_INPUT_DEFAULT:
 175     case EStreamLatency::STREAM_LATENCY_OUTPUT_DEFAULT:
 176         latency = STREAM_LATENCY_DEFAULT;
 177         break;
 178
 179     default:
 180         AUDIO_IO_LOGW("Invalid __mLatency[%d]", static_cast<int>(__mLatency));
 181         latency = STREAM_LATENCY_DEFAULT;
 182         break;
 183     }
 184
 185     return latency;
 186 }
 187
 188 CAudioInfo& CPulseStreamSpec::getAudioInfo() {
 189     return __mAudioInfo;
 190 }
 191
 192 pa_sample_spec CPulseStreamSpec::getSampleSpec() {
 193     return __mSampleSpec;
 194 }
 195
 196 pa_channel_map CPulseStreamSpec::getChannelMap() {
 197     return __mChannelMap;
 198 }
 199
 200 const char* CPulseStreamSpec::getStreamName() {
 201     return __mStreamName;
 202 }