1 /*
2  * Copyright (C) 2016 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 #include <common/all-versions/IncludeGuard.h>
18 
19 //#define LOG_NDEBUG 0
20 
21 #include <memory.h>
22 #include <string.h>
23 #include <algorithm>
24 
25 #include <android/log.h>
26 
27 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::HidlUtils;
28 
29 namespace android {
30 namespace hardware {
31 namespace audio {
32 namespace AUDIO_HAL_VERSION {
33 namespace implementation {
34 
Device(audio_hw_device_t * device)35 Device::Device(audio_hw_device_t* device) : mDevice(device) {}
36 
~Device()37 Device::~Device() {
38     int status = audio_hw_device_close(mDevice);
39     ALOGW_IF(status, "Error closing audio hw device %p: %s", mDevice, strerror(-status));
40     mDevice = nullptr;
41 }
42 
analyzeStatus(const char * funcName,int status)43 Result Device::analyzeStatus(const char* funcName, int status) {
44     return util::analyzeStatus("Device", funcName, status);
45 }
46 
closeInputStream(audio_stream_in_t * stream)47 void Device::closeInputStream(audio_stream_in_t* stream) {
48     mDevice->close_input_stream(mDevice, stream);
49 }
50 
closeOutputStream(audio_stream_out_t * stream)51 void Device::closeOutputStream(audio_stream_out_t* stream) {
52     mDevice->close_output_stream(mDevice, stream);
53 }
54 
halGetParameters(const char * keys)55 char* Device::halGetParameters(const char* keys) {
56     return mDevice->get_parameters(mDevice, keys);
57 }
58 
halSetParameters(const char * keysAndValues)59 int Device::halSetParameters(const char* keysAndValues) {
60     return mDevice->set_parameters(mDevice, keysAndValues);
61 }
62 
63 // Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IDevice follow.
initCheck()64 Return<Result> Device::initCheck() {
65     return analyzeStatus("init_check", mDevice->init_check(mDevice));
66 }
67 
setMasterVolume(float volume)68 Return<Result> Device::setMasterVolume(float volume) {
69     if (mDevice->set_master_volume == NULL) {
70         return Result::NOT_SUPPORTED;
71     }
72     if (!isGainNormalized(volume)) {
73         ALOGW("Can not set a master volume (%f) outside [0,1]", volume);
74         return Result::INVALID_ARGUMENTS;
75     }
76     return analyzeStatus("set_master_volume", mDevice->set_master_volume(mDevice, volume));
77 }
78 
getMasterVolume(getMasterVolume_cb _hidl_cb)79 Return<void> Device::getMasterVolume(getMasterVolume_cb _hidl_cb) {
80     Result retval(Result::NOT_SUPPORTED);
81     float volume = 0;
82     if (mDevice->get_master_volume != NULL) {
83         retval = analyzeStatus("get_master_volume", mDevice->get_master_volume(mDevice, &volume));
84     }
85     _hidl_cb(retval, volume);
86     return Void();
87 }
88 
setMicMute(bool mute)89 Return<Result> Device::setMicMute(bool mute) {
90     return analyzeStatus("set_mic_mute", mDevice->set_mic_mute(mDevice, mute));
91 }
92 
getMicMute(getMicMute_cb _hidl_cb)93 Return<void> Device::getMicMute(getMicMute_cb _hidl_cb) {
94     bool mute = false;
95     Result retval = analyzeStatus("get_mic_mute", mDevice->get_mic_mute(mDevice, &mute));
96     _hidl_cb(retval, mute);
97     return Void();
98 }
99 
setMasterMute(bool mute)100 Return<Result> Device::setMasterMute(bool mute) {
101     Result retval(Result::NOT_SUPPORTED);
102     if (mDevice->set_master_mute != NULL) {
103         retval = analyzeStatus("set_master_mute", mDevice->set_master_mute(mDevice, mute));
104     }
105     return retval;
106 }
107 
getMasterMute(getMasterMute_cb _hidl_cb)108 Return<void> Device::getMasterMute(getMasterMute_cb _hidl_cb) {
109     Result retval(Result::NOT_SUPPORTED);
110     bool mute = false;
111     if (mDevice->get_master_mute != NULL) {
112         retval = analyzeStatus("get_master_mute", mDevice->get_master_mute(mDevice, &mute));
113     }
114     _hidl_cb(retval, mute);
115     return Void();
116 }
117 
getInputBufferSize(const AudioConfig & config,getInputBufferSize_cb _hidl_cb)118 Return<void> Device::getInputBufferSize(const AudioConfig& config, getInputBufferSize_cb _hidl_cb) {
119     audio_config_t halConfig;
120     HidlUtils::audioConfigToHal(config, &halConfig);
121     size_t halBufferSize = mDevice->get_input_buffer_size(mDevice, &halConfig);
122     Result retval(Result::INVALID_ARGUMENTS);
123     uint64_t bufferSize = 0;
124     if (halBufferSize != 0) {
125         retval = Result::OK;
126         bufferSize = halBufferSize;
127     }
128     _hidl_cb(retval, bufferSize);
129     return Void();
130 }
131 
openOutputStream(int32_t ioHandle,const DeviceAddress & device,const AudioConfig & config,AudioOutputFlagBitfield flags,const SourceMetadata &,openOutputStream_cb _hidl_cb)132 Return<void> Device::openOutputStream(int32_t ioHandle, const DeviceAddress& device,
133                                       const AudioConfig& config, AudioOutputFlagBitfield flags,
134 #ifdef AUDIO_HAL_VERSION_4_0
135                                       const SourceMetadata& /* sourceMetadata */,
136 #endif
137                                       openOutputStream_cb _hidl_cb) {
138     audio_config_t halConfig;
139     HidlUtils::audioConfigToHal(config, &halConfig);
140     audio_stream_out_t* halStream;
141     ALOGV(
142         "open_output_stream handle: %d devices: %x flags: %#x "
143         "srate: %d format %#x channels %x address %s",
144         ioHandle, static_cast<audio_devices_t>(device.device),
145         static_cast<audio_output_flags_t>(flags), halConfig.sample_rate, halConfig.format,
146         halConfig.channel_mask, deviceAddressToHal(device).c_str());
147     int status =
148         mDevice->open_output_stream(mDevice, ioHandle, static_cast<audio_devices_t>(device.device),
149                                     static_cast<audio_output_flags_t>(flags), &halConfig,
150                                     &halStream, deviceAddressToHal(device).c_str());
151     ALOGV("open_output_stream status %d stream %p", status, halStream);
152     sp<IStreamOut> streamOut;
153     if (status == OK) {
154         streamOut = new StreamOut(this, halStream);
155     }
156     AudioConfig suggestedConfig;
157     HidlUtils::audioConfigFromHal(halConfig, &suggestedConfig);
158     _hidl_cb(analyzeStatus("open_output_stream", status), streamOut, suggestedConfig);
159     return Void();
160 }
161 
openInputStream(int32_t ioHandle,const DeviceAddress & device,const AudioConfig & config,AudioInputFlagBitfield flags,AudioSource source,openInputStream_cb _hidl_cb)162 Return<void> Device::openInputStream(int32_t ioHandle, const DeviceAddress& device,
163                                      const AudioConfig& config, AudioInputFlagBitfield flags,
164                                      AudioSource source, openInputStream_cb _hidl_cb) {
165     audio_config_t halConfig;
166     HidlUtils::audioConfigToHal(config, &halConfig);
167     audio_stream_in_t* halStream;
168     ALOGV(
169         "open_input_stream handle: %d devices: %x flags: %#x "
170         "srate: %d format %#x channels %x address %s source %d",
171         ioHandle, static_cast<audio_devices_t>(device.device),
172         static_cast<audio_input_flags_t>(flags), halConfig.sample_rate, halConfig.format,
173         halConfig.channel_mask, deviceAddressToHal(device).c_str(),
174         static_cast<audio_source_t>(source));
175     int status = mDevice->open_input_stream(
176         mDevice, ioHandle, static_cast<audio_devices_t>(device.device), &halConfig, &halStream,
177         static_cast<audio_input_flags_t>(flags), deviceAddressToHal(device).c_str(),
178         static_cast<audio_source_t>(source));
179     ALOGV("open_input_stream status %d stream %p", status, halStream);
180     sp<IStreamIn> streamIn;
181     if (status == OK) {
182         streamIn = new StreamIn(this, halStream);
183     }
184     AudioConfig suggestedConfig;
185     HidlUtils::audioConfigFromHal(halConfig, &suggestedConfig);
186     _hidl_cb(analyzeStatus("open_input_stream", status), streamIn, suggestedConfig);
187     return Void();
188 }
189 
190 #ifdef AUDIO_HAL_VERSION_4_0
openInputStream(int32_t ioHandle,const DeviceAddress & device,const AudioConfig & config,AudioInputFlagBitfield flags,const SinkMetadata & sinkMetadata,openInputStream_cb _hidl_cb)191 Return<void> Device::openInputStream(int32_t ioHandle, const DeviceAddress& device,
192                                      const AudioConfig& config, AudioInputFlagBitfield flags,
193                                      const SinkMetadata& sinkMetadata,
194                                      openInputStream_cb _hidl_cb) {
195     if (sinkMetadata.tracks.size() == 0) {
196         // This should never happen, the framework must not create as stream
197         // if there is no client
198         ALOGE("openInputStream called without tracks connected");
199         _hidl_cb(Result::INVALID_ARGUMENTS, nullptr, AudioConfig());
200         return Void();
201     }
202     // Pick the first one as the main until the legacy API is update
203     AudioSource source = sinkMetadata.tracks[0].source;
204     return openInputStream(ioHandle, device, config, flags, source, _hidl_cb);
205 }
206 #endif
207 
supportsAudioPatches()208 Return<bool> Device::supportsAudioPatches() {
209     return version() >= AUDIO_DEVICE_API_VERSION_3_0;
210 }
211 
createAudioPatch(const hidl_vec<AudioPortConfig> & sources,const hidl_vec<AudioPortConfig> & sinks,createAudioPatch_cb _hidl_cb)212 Return<void> Device::createAudioPatch(const hidl_vec<AudioPortConfig>& sources,
213                                       const hidl_vec<AudioPortConfig>& sinks,
214                                       createAudioPatch_cb _hidl_cb) {
215     Result retval(Result::NOT_SUPPORTED);
216     AudioPatchHandle patch = 0;
217     if (version() >= AUDIO_DEVICE_API_VERSION_3_0) {
218         std::unique_ptr<audio_port_config[]> halSources(HidlUtils::audioPortConfigsToHal(sources));
219         std::unique_ptr<audio_port_config[]> halSinks(HidlUtils::audioPortConfigsToHal(sinks));
220         audio_patch_handle_t halPatch = AUDIO_PATCH_HANDLE_NONE;
221         retval = analyzeStatus("create_audio_patch",
222                                mDevice->create_audio_patch(mDevice, sources.size(), &halSources[0],
223                                                            sinks.size(), &halSinks[0], &halPatch));
224         if (retval == Result::OK) {
225             patch = static_cast<AudioPatchHandle>(halPatch);
226         }
227     }
228     _hidl_cb(retval, patch);
229     return Void();
230 }
231 
releaseAudioPatch(int32_t patch)232 Return<Result> Device::releaseAudioPatch(int32_t patch) {
233     if (version() >= AUDIO_DEVICE_API_VERSION_3_0) {
234         return analyzeStatus(
235             "release_audio_patch",
236             mDevice->release_audio_patch(mDevice, static_cast<audio_patch_handle_t>(patch)));
237     }
238     return Result::NOT_SUPPORTED;
239 }
240 
getAudioPort(const AudioPort & port,getAudioPort_cb _hidl_cb)241 Return<void> Device::getAudioPort(const AudioPort& port, getAudioPort_cb _hidl_cb) {
242     audio_port halPort;
243     HidlUtils::audioPortToHal(port, &halPort);
244     Result retval = analyzeStatus("get_audio_port", mDevice->get_audio_port(mDevice, &halPort));
245     AudioPort resultPort = port;
246     if (retval == Result::OK) {
247         HidlUtils::audioPortFromHal(halPort, &resultPort);
248     }
249     _hidl_cb(retval, resultPort);
250     return Void();
251 }
252 
setAudioPortConfig(const AudioPortConfig & config)253 Return<Result> Device::setAudioPortConfig(const AudioPortConfig& config) {
254     if (version() >= AUDIO_DEVICE_API_VERSION_3_0) {
255         struct audio_port_config halPortConfig;
256         HidlUtils::audioPortConfigToHal(config, &halPortConfig);
257         return analyzeStatus("set_audio_port_config",
258                              mDevice->set_audio_port_config(mDevice, &halPortConfig));
259     }
260     return Result::NOT_SUPPORTED;
261 }
262 
263 #ifdef AUDIO_HAL_VERSION_2_0
getHwAvSync()264 Return<AudioHwSync> Device::getHwAvSync() {
265     int halHwAvSync;
266     Result retval = getParam(AudioParameter::keyHwAvSync, &halHwAvSync);
267     return retval == Result::OK ? halHwAvSync : AUDIO_HW_SYNC_INVALID;
268 }
269 #elif defined(AUDIO_HAL_VERSION_4_0)
getHwAvSync(getHwAvSync_cb _hidl_cb)270 Return<void> Device::getHwAvSync(getHwAvSync_cb _hidl_cb) {
271     int halHwAvSync;
272     Result retval = getParam(AudioParameter::keyHwAvSync, &halHwAvSync);
273     _hidl_cb(retval, halHwAvSync);
274     return Void();
275 }
276 #endif
277 
setScreenState(bool turnedOn)278 Return<Result> Device::setScreenState(bool turnedOn) {
279     return setParam(AudioParameter::keyScreenState, turnedOn);
280 }
281 
282 #ifdef AUDIO_HAL_VERSION_2_0
getParameters(const hidl_vec<hidl_string> & keys,getParameters_cb _hidl_cb)283 Return<void> Device::getParameters(const hidl_vec<hidl_string>& keys, getParameters_cb _hidl_cb) {
284     getParametersImpl({}, keys, _hidl_cb);
285     return Void();
286 }
287 
setParameters(const hidl_vec<ParameterValue> & parameters)288 Return<Result> Device::setParameters(const hidl_vec<ParameterValue>& parameters) {
289     return setParametersImpl({} /* context */, parameters);
290 }
291 #elif defined(AUDIO_HAL_VERSION_4_0)
getParameters(const hidl_vec<ParameterValue> & context,const hidl_vec<hidl_string> & keys,getParameters_cb _hidl_cb)292 Return<void> Device::getParameters(const hidl_vec<ParameterValue>& context,
293                                    const hidl_vec<hidl_string>& keys, getParameters_cb _hidl_cb) {
294     getParametersImpl(context, keys, _hidl_cb);
295     return Void();
296 }
setParameters(const hidl_vec<ParameterValue> & context,const hidl_vec<ParameterValue> & parameters)297 Return<Result> Device::setParameters(const hidl_vec<ParameterValue>& context,
298                                      const hidl_vec<ParameterValue>& parameters) {
299     return setParametersImpl(context, parameters);
300 }
301 #endif
302 
303 #ifdef AUDIO_HAL_VERSION_2_0
debugDump(const hidl_handle & fd)304 Return<void> Device::debugDump(const hidl_handle& fd) {
305     return debug(fd, {});
306 }
307 #endif
308 
debug(const hidl_handle & fd,const hidl_vec<hidl_string> &)309 Return<void> Device::debug(const hidl_handle& fd, const hidl_vec<hidl_string>& /* options */) {
310     if (fd.getNativeHandle() != nullptr && fd->numFds == 1) {
311         analyzeStatus("dump", mDevice->dump(mDevice, fd->data[0]));
312     }
313     return Void();
314 }
315 
316 #ifdef AUDIO_HAL_VERSION_4_0
getMicrophones(getMicrophones_cb _hidl_cb)317 Return<void> Device::getMicrophones(getMicrophones_cb _hidl_cb) {
318     Result retval = Result::NOT_SUPPORTED;
319     size_t actual_mics = AUDIO_MICROPHONE_MAX_COUNT;
320     audio_microphone_characteristic_t mic_array[AUDIO_MICROPHONE_MAX_COUNT];
321 
322     hidl_vec<MicrophoneInfo> microphones;
323     if (mDevice->get_microphones != NULL &&
324         mDevice->get_microphones(mDevice, &mic_array[0], &actual_mics) == 0) {
325         microphones.resize(actual_mics);
326         for (size_t i = 0; i < actual_mics; ++i) {
327             halToMicrophoneCharacteristics(&microphones[i], mic_array[i]);
328         }
329         retval = Result::OK;
330     }
331     _hidl_cb(retval, microphones);
332     return Void();
333 }
334 
setConnectedState(const DeviceAddress & address,bool connected)335 Return<Result> Device::setConnectedState(const DeviceAddress& address, bool connected) {
336     auto key = connected ? AudioParameter::keyStreamConnect : AudioParameter::keyStreamDisconnect;
337     return setParam(key, address);
338 }
339 #endif
340 
341 }  // namespace implementation
342 }  // namespace AUDIO_HAL_VERSION
343 }  // namespace audio
344 }  // namespace hardware
345 }  // namespace android
346