| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "StreamHAL" |
| |
| #include "core/default/Stream.h" |
| #include "common/all-versions/default/EffectMap.h" |
| #include "core/default/Conversions.h" |
| #include "core/default/Util.h" |
| |
| #include <inttypes.h> |
| |
| #include <android/log.h> |
| #include <hardware/audio.h> |
| #include <hardware/audio_effect.h> |
| #include <media/AudioContainers.h> |
| #include <media/TypeConverter.h> |
| |
| namespace android { |
| namespace hardware { |
| namespace audio { |
| namespace CPP_VERSION { |
| namespace implementation { |
| |
| Stream::Stream(audio_stream_t* stream) : mStream(stream) {} |
| |
| Stream::~Stream() { |
| mStream = nullptr; |
| } |
| |
| // static |
| Result Stream::analyzeStatus(const char* funcName, int status) { |
| return util::analyzeStatus("stream", funcName, status); |
| } |
| |
| // static |
| Result Stream::analyzeStatus(const char* funcName, int status, |
| const std::vector<int>& ignoreErrors) { |
| return util::analyzeStatus("stream", funcName, status, ignoreErrors); |
| } |
| |
| char* Stream::halGetParameters(const char* keys) { |
| return mStream->get_parameters(mStream, keys); |
| } |
| |
| int Stream::halSetParameters(const char* keysAndValues) { |
| return mStream->set_parameters(mStream, keysAndValues); |
| } |
| |
| // Methods from ::android::hardware::audio::CPP_VERSION::IStream follow. |
| Return<uint64_t> Stream::getFrameSize() { |
| // Needs to be implemented by interface subclasses. But can't be declared as pure virtual, |
| // since interface subclasses implementation do not inherit from this class. |
| LOG_ALWAYS_FATAL("Stream::getFrameSize is pure abstract"); |
| return uint64_t{}; |
| } |
| |
| Return<uint64_t> Stream::getFrameCount() { |
| int halFrameCount; |
| Result retval = getParam(AudioParameter::keyFrameCount, &halFrameCount); |
| return retval == Result::OK ? halFrameCount : 0; |
| } |
| |
| Return<uint64_t> Stream::getBufferSize() { |
| return mStream->get_buffer_size(mStream); |
| } |
| |
| Return<uint32_t> Stream::getSampleRate() { |
| return mStream->get_sample_rate(mStream); |
| } |
| |
| #if MAJOR_VERSION == 2 |
| Return<void> Stream::getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb) { |
| return getSupportedSampleRates(getFormat(), _hidl_cb); |
| } |
| Return<void> Stream::getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) { |
| return getSupportedChannelMasks(getFormat(), _hidl_cb); |
| } |
| #endif |
| |
| Return<void> Stream::getSupportedSampleRates(AudioFormat format, |
| getSupportedSampleRates_cb _hidl_cb) { |
| AudioParameter context; |
| context.addInt(String8(AUDIO_PARAMETER_STREAM_FORMAT), int(format)); |
| String8 halListValue; |
| Result result = |
| getParam(AudioParameter::keyStreamSupportedSamplingRates, &halListValue, context); |
| hidl_vec<uint32_t> sampleRates; |
| SampleRateSet halSampleRates; |
| if (result == Result::OK) { |
| halSampleRates = |
| samplingRatesFromString(halListValue.string(), AudioParameter::valueListSeparator); |
| sampleRates = hidl_vec<uint32_t>(halSampleRates.begin(), halSampleRates.end()); |
| // Legacy get_parameter does not return a status_t, thus can not advertise of failure. |
| // Note that this method must succeed (non empty list) if the format is supported. |
| if (sampleRates.size() == 0) { |
| result = Result::NOT_SUPPORTED; |
| } |
| } |
| #if MAJOR_VERSION == 2 |
| _hidl_cb(sampleRates); |
| #elif MAJOR_VERSION >= 4 |
| _hidl_cb(result, sampleRates); |
| #endif |
| return Void(); |
| } |
| |
| Return<void> Stream::getSupportedChannelMasks(AudioFormat format, |
| getSupportedChannelMasks_cb _hidl_cb) { |
| AudioParameter context; |
| context.addInt(String8(AUDIO_PARAMETER_STREAM_FORMAT), int(format)); |
| String8 halListValue; |
| Result result = getParam(AudioParameter::keyStreamSupportedChannels, &halListValue, context); |
| hidl_vec<AudioChannelBitfield> channelMasks; |
| ChannelMaskSet halChannelMasks; |
| if (result == Result::OK) { |
| halChannelMasks = |
| channelMasksFromString(halListValue.string(), AudioParameter::valueListSeparator); |
| channelMasks.resize(halChannelMasks.size()); |
| size_t i = 0; |
| for (auto channelMask : halChannelMasks) { |
| channelMasks[i++] = AudioChannelBitfield(channelMask); |
| } |
| // Legacy get_parameter does not return a status_t, thus can not advertise of failure. |
| // Note that this method must succeed (non empty list) if the format is supported. |
| if (channelMasks.size() == 0) { |
| result = Result::NOT_SUPPORTED; |
| } |
| } |
| #if MAJOR_VERSION == 2 |
| _hidl_cb(channelMasks); |
| #elif MAJOR_VERSION >= 4 |
| _hidl_cb(result, channelMasks); |
| #endif |
| return Void(); |
| } |
| |
| Return<Result> Stream::setSampleRate(uint32_t sampleRateHz) { |
| return setParam(AudioParameter::keySamplingRate, static_cast<int>(sampleRateHz)); |
| } |
| |
| Return<AudioChannelBitfield> Stream::getChannelMask() { |
| return AudioChannelBitfield(mStream->get_channels(mStream)); |
| } |
| |
| Return<Result> Stream::setChannelMask(AudioChannelBitfield mask) { |
| return setParam(AudioParameter::keyChannels, static_cast<int>(mask)); |
| } |
| |
| Return<AudioFormat> Stream::getFormat() { |
| return AudioFormat(mStream->get_format(mStream)); |
| } |
| |
| Return<void> Stream::getSupportedFormats(getSupportedFormats_cb _hidl_cb) { |
| String8 halListValue; |
| Result result = getParam(AudioParameter::keyStreamSupportedFormats, &halListValue); |
| hidl_vec<AudioFormat> formats; |
| FormatVector halFormats; |
| if (result == Result::OK) { |
| halFormats = formatsFromString(halListValue.string(), AudioParameter::valueListSeparator); |
| formats.resize(halFormats.size()); |
| for (size_t i = 0; i < halFormats.size(); ++i) { |
| formats[i] = AudioFormat(halFormats[i]); |
| } |
| // Legacy get_parameter does not return a status_t, thus can not advertise of failure. |
| // Note that the method must not return an empty list if this capability is supported. |
| if (formats.size() == 0) { |
| result = Result::NOT_SUPPORTED; |
| } |
| } |
| #if MAJOR_VERSION <= 5 |
| _hidl_cb(formats); |
| #elif MAJOR_VERSION >= 6 |
| _hidl_cb(result, formats); |
| #endif |
| return Void(); |
| } |
| |
| Return<Result> Stream::setFormat(AudioFormat format) { |
| return setParam(AudioParameter::keyFormat, static_cast<int>(format)); |
| } |
| |
| Return<void> Stream::getAudioProperties(getAudioProperties_cb _hidl_cb) { |
| uint32_t halSampleRate = mStream->get_sample_rate(mStream); |
| audio_channel_mask_t halMask = mStream->get_channels(mStream); |
| audio_format_t halFormat = mStream->get_format(mStream); |
| _hidl_cb(halSampleRate, AudioChannelBitfield(halMask), AudioFormat(halFormat)); |
| return Void(); |
| } |
| |
| Return<Result> Stream::addEffect(uint64_t effectId) { |
| effect_handle_t halEffect = EffectMap::getInstance().get(effectId); |
| if (halEffect != NULL) { |
| return analyzeStatus("add_audio_effect", mStream->add_audio_effect(mStream, halEffect)); |
| } else { |
| ALOGW("Invalid effect ID passed from client: %" PRIu64, effectId); |
| return Result::INVALID_ARGUMENTS; |
| } |
| } |
| |
| Return<Result> Stream::removeEffect(uint64_t effectId) { |
| effect_handle_t halEffect = EffectMap::getInstance().get(effectId); |
| if (halEffect != NULL) { |
| return analyzeStatus("remove_audio_effect", |
| mStream->remove_audio_effect(mStream, halEffect)); |
| } else { |
| ALOGW("Invalid effect ID passed from client: %" PRIu64, effectId); |
| return Result::INVALID_ARGUMENTS; |
| } |
| } |
| |
| Return<Result> Stream::standby() { |
| return analyzeStatus("standby", mStream->standby(mStream)); |
| } |
| |
| Return<Result> Stream::setHwAvSync(uint32_t hwAvSync) { |
| return setParam(AudioParameter::keyStreamHwAvSync, static_cast<int>(hwAvSync)); |
| } |
| |
| #if MAJOR_VERSION == 2 |
| Return<AudioDevice> Stream::getDevice() { |
| int device = 0; |
| Result retval = getParam(AudioParameter::keyRouting, &device); |
| return retval == Result::OK ? static_cast<AudioDevice>(device) : AudioDevice::NONE; |
| } |
| |
| Return<Result> Stream::setDevice(const DeviceAddress& address) { |
| return setParam(AudioParameter::keyRouting, address); |
| } |
| |
| Return<void> Stream::getParameters(const hidl_vec<hidl_string>& keys, getParameters_cb _hidl_cb) { |
| getParametersImpl({} /* context */, keys, _hidl_cb); |
| return Void(); |
| } |
| |
| Return<Result> Stream::setParameters(const hidl_vec<ParameterValue>& parameters) { |
| return setParametersImpl({} /* context */, parameters); |
| } |
| |
| Return<Result> Stream::setConnectedState(const DeviceAddress& address, bool connected) { |
| return setParam( |
| connected ? AudioParameter::keyDeviceConnect : AudioParameter::keyDeviceDisconnect, |
| address); |
| } |
| #elif MAJOR_VERSION >= 4 |
| Return<void> Stream::getDevices(getDevices_cb _hidl_cb) { |
| int device = 0; |
| Result retval = getParam(AudioParameter::keyRouting, &device); |
| hidl_vec<DeviceAddress> devices; |
| if (retval == Result::OK) { |
| devices.resize(1); |
| devices[0].device = static_cast<AudioDevice>(device); |
| } |
| _hidl_cb(retval, devices); |
| return Void(); |
| } |
| |
| Return<Result> Stream::setDevices(const hidl_vec<DeviceAddress>& devices) { |
| // FIXME: can the legacy API set multiple device with address ? |
| if (devices.size() > 1) { |
| return Result::NOT_SUPPORTED; |
| } |
| DeviceAddress address; |
| if (devices.size() == 1) { |
| address = devices[0]; |
| } else { |
| address.device = AudioDevice::NONE; |
| } |
| return setParam(AudioParameter::keyRouting, address); |
| } |
| Return<void> Stream::getParameters(const hidl_vec<ParameterValue>& context, |
| const hidl_vec<hidl_string>& keys, getParameters_cb _hidl_cb) { |
| getParametersImpl(context, keys, _hidl_cb); |
| return Void(); |
| } |
| |
| Return<Result> Stream::setParameters(const hidl_vec<ParameterValue>& context, |
| const hidl_vec<ParameterValue>& parameters) { |
| return setParametersImpl(context, parameters); |
| } |
| #endif |
| |
| Return<Result> Stream::start() { |
| return Result::NOT_SUPPORTED; |
| } |
| |
| Return<Result> Stream::stop() { |
| return Result::NOT_SUPPORTED; |
| } |
| |
| Return<void> Stream::createMmapBuffer(int32_t minSizeFrames __unused, |
| createMmapBuffer_cb _hidl_cb) { |
| Result retval(Result::NOT_SUPPORTED); |
| MmapBufferInfo info; |
| _hidl_cb(retval, info); |
| return Void(); |
| } |
| |
| Return<void> Stream::getMmapPosition(getMmapPosition_cb _hidl_cb) { |
| Result retval(Result::NOT_SUPPORTED); |
| MmapPosition position; |
| _hidl_cb(retval, position); |
| return Void(); |
| } |
| |
| Return<Result> Stream::close() { |
| return Result::NOT_SUPPORTED; |
| } |
| |
| Return<void> Stream::debug(const hidl_handle& fd, const hidl_vec<hidl_string>& /* options */) { |
| if (fd.getNativeHandle() != nullptr && fd->numFds == 1) { |
| analyzeStatus("dump", mStream->dump(mStream, fd->data[0])); |
| } |
| return Void(); |
| } |
| |
| #if MAJOR_VERSION == 2 |
| Return<void> Stream::debugDump(const hidl_handle& fd) { |
| return debug(fd, {} /* options */); |
| } |
| #endif |
| |
| } // namespace implementation |
| } // namespace CPP_VERSION |
| } // namespace audio |
| } // namespace hardware |
| } // namespace android |