Peter Cai
94f2037c77
This will allow us to dynamically load multiple different versions of audio interface implementation into the same sysbta hal process. Note that since we are using a weird suffix here, the default `registerPassthroughServiceImplementation` will not work, and we will have to define our own dynamic symbol for it.
458 lines
16 KiB
C++
458 lines
16 KiB
C++
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "StreamHAL"
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#include "Stream.h"
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#include "common/all-versions/HidlSupport.h"
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#include "common/all-versions/default/EffectMap.h"
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#include "Util.h"
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#include <inttypes.h>
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#include <HidlUtils.h>
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#include <android/log.h>
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#include <hardware/audio.h>
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#include <hardware/audio_effect.h>
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#include <media/AudioContainers.h>
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#include <media/TypeConverter.h>
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#include <util/CoreUtils.h>
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namespace android {
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namespace hardware {
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namespace audio {
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namespace CPP_VERSION {
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namespace implementation {
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using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::implementation::HidlUtils;
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using ::android::hardware::audio::common::utils::splitString;
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using ::android::hardware::audio::CORE_TYPES_CPP_VERSION::implementation::CoreUtils;
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namespace util {
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using namespace ::android::hardware::audio::CORE_TYPES_CPP_VERSION::implementation::util;
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}
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Stream::Stream(bool isInput, audio_stream_t* stream) : mIsInput(isInput), mStream(stream) {
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(void)mIsInput; // prevent 'unused field' warnings in pre-V7 versions.
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}
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Stream::~Stream() {
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mStream = nullptr;
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}
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// static
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Result Stream::analyzeStatus(const char* funcName, int status) {
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return util::analyzeStatus("stream", funcName, status);
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}
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// static
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Result Stream::analyzeStatus(const char* funcName, int status,
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const std::vector<int>& ignoreErrors) {
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return util::analyzeStatus("stream", funcName, status, ignoreErrors);
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}
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char* Stream::halGetParameters(const char* keys) {
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return mStream->get_parameters(mStream, keys);
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}
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int Stream::halSetParameters(const char* keysAndValues) {
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return mStream->set_parameters(mStream, keysAndValues);
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}
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// Methods from ::android::hardware::audio::CPP_VERSION::IStream follow.
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Return<uint64_t> Stream::getFrameSize() {
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// Needs to be implemented by interface subclasses. But can't be declared as pure virtual,
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// since interface subclasses implementation do not inherit from this class.
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LOG_ALWAYS_FATAL("Stream::getFrameSize is pure abstract");
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return uint64_t{};
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}
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Return<uint64_t> Stream::getFrameCount() {
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int halFrameCount;
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Result retval = getParam(AudioParameter::keyFrameCount, &halFrameCount);
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return retval == Result::OK ? halFrameCount : 0;
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}
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Return<uint64_t> Stream::getBufferSize() {
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return mStream->get_buffer_size(mStream);
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}
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#if MAJOR_VERSION <= 6
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Return<uint32_t> Stream::getSampleRate() {
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return mStream->get_sample_rate(mStream);
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}
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#if MAJOR_VERSION == 2
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Return<void> Stream::getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb) {
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return getSupportedSampleRates(getFormat(), _hidl_cb);
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}
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Return<void> Stream::getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) {
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return getSupportedChannelMasks(getFormat(), _hidl_cb);
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}
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#endif
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Return<void> Stream::getSupportedSampleRates(AudioFormat format,
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getSupportedSampleRates_cb _hidl_cb) {
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AudioParameter context;
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context.addInt(String8(AUDIO_PARAMETER_STREAM_FORMAT), int(format));
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String8 halListValue;
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Result result =
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getParam(AudioParameter::keyStreamSupportedSamplingRates, &halListValue, context);
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hidl_vec<uint32_t> sampleRates;
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SampleRateSet halSampleRates;
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if (result == Result::OK) {
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halSampleRates =
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samplingRatesFromString(halListValue.string(), AudioParameter::valueListSeparator);
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sampleRates = hidl_vec<uint32_t>(halSampleRates.begin(), halSampleRates.end());
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// Legacy get_parameter does not return a status_t, thus can not advertise of failure.
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// Note that this method must succeed (non empty list) if the format is supported.
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if (sampleRates.size() == 0) {
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result = Result::NOT_SUPPORTED;
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}
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}
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#if MAJOR_VERSION == 2
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_hidl_cb(sampleRates);
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#elif MAJOR_VERSION >= 4
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_hidl_cb(result, sampleRates);
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#endif
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return Void();
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}
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Return<void> Stream::getSupportedChannelMasks(AudioFormat format,
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getSupportedChannelMasks_cb _hidl_cb) {
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AudioParameter context;
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context.addInt(String8(AUDIO_PARAMETER_STREAM_FORMAT), int(format));
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String8 halListValue;
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Result result = getParam(AudioParameter::keyStreamSupportedChannels, &halListValue, context);
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hidl_vec<AudioChannelBitfield> channelMasks;
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ChannelMaskSet halChannelMasks;
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if (result == Result::OK) {
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halChannelMasks =
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channelMasksFromString(halListValue.string(), AudioParameter::valueListSeparator);
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channelMasks.resize(halChannelMasks.size());
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size_t i = 0;
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for (auto channelMask : halChannelMasks) {
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channelMasks[i++] = AudioChannelBitfield(channelMask);
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}
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// Legacy get_parameter does not return a status_t, thus can not advertise of failure.
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// Note that this method must succeed (non empty list) if the format is supported.
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if (channelMasks.size() == 0) {
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result = Result::NOT_SUPPORTED;
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}
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}
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#if MAJOR_VERSION == 2
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_hidl_cb(channelMasks);
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#elif MAJOR_VERSION >= 4
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_hidl_cb(result, channelMasks);
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#endif
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return Void();
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}
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Return<Result> Stream::setSampleRate(uint32_t sampleRateHz) {
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return setParam(AudioParameter::keySamplingRate, static_cast<int>(sampleRateHz));
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}
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Return<AudioChannelBitfield> Stream::getChannelMask() {
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return AudioChannelBitfield(mStream->get_channels(mStream));
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}
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Return<Result> Stream::setChannelMask(AudioChannelBitfield mask) {
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return setParam(AudioParameter::keyChannels, static_cast<int>(mask));
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}
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Return<AudioFormat> Stream::getFormat() {
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return AudioFormat(mStream->get_format(mStream));
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}
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Return<void> Stream::getSupportedFormats(getSupportedFormats_cb _hidl_cb) {
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String8 halListValue;
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Result result = getParam(AudioParameter::keyStreamSupportedFormats, &halListValue);
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hidl_vec<AudioFormat> formats;
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FormatVector halFormats;
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if (result == Result::OK) {
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halFormats = formatsFromString(halListValue.string(), AudioParameter::valueListSeparator);
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formats.resize(halFormats.size());
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for (size_t i = 0; i < halFormats.size(); ++i) {
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formats[i] = AudioFormat(halFormats[i]);
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}
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// Legacy get_parameter does not return a status_t, thus can not advertise of failure.
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// Note that the method must not return an empty list if this capability is supported.
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if (formats.size() == 0) {
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result = Result::NOT_SUPPORTED;
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}
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}
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#if MAJOR_VERSION <= 5
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_hidl_cb(formats);
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#elif MAJOR_VERSION >= 6
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_hidl_cb(result, formats);
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#endif
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return Void();
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}
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Return<Result> Stream::setFormat(AudioFormat format) {
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return setParam(AudioParameter::keyFormat, static_cast<int>(format));
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}
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Return<void> Stream::getAudioProperties(getAudioProperties_cb _hidl_cb) {
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uint32_t halSampleRate = mStream->get_sample_rate(mStream);
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audio_channel_mask_t halMask = mStream->get_channels(mStream);
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audio_format_t halFormat = mStream->get_format(mStream);
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_hidl_cb(halSampleRate, AudioChannelBitfield(halMask), AudioFormat(halFormat));
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return Void();
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}
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#else // MAJOR_VERSION <= 6
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Return<void> Stream::getSupportedProfiles(getSupportedProfiles_cb _hidl_cb) {
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String8 halListValue;
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Result result = getParam(AudioParameter::keyStreamSupportedFormats, &halListValue);
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hidl_vec<AudioProfile> profiles;
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if (result != Result::OK) {
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_hidl_cb(result, profiles);
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return Void();
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}
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// Ensure that the separator is one character, despite that it's defined as a C string.
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static_assert(sizeof(AUDIO_PARAMETER_VALUE_LIST_SEPARATOR) == 2);
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std::vector<std::string> halFormats =
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splitString(halListValue.string(), AUDIO_PARAMETER_VALUE_LIST_SEPARATOR[0]);
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hidl_vec<AudioFormat> formats;
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(void)HidlUtils::audioFormatsFromHal(halFormats, &formats);
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std::vector<AudioProfile> tempProfiles;
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for (const auto& format : formats) {
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audio_format_t halFormat;
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if (status_t status = HidlUtils::audioFormatToHal(format, &halFormat); status != NO_ERROR) {
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continue;
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}
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AudioParameter context;
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context.addInt(String8(AUDIO_PARAMETER_STREAM_FORMAT), int(halFormat));
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// Query supported sample rates for the format.
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result = getParam(AudioParameter::keyStreamSupportedSamplingRates, &halListValue, context);
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if (result != Result::OK) break;
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std::vector<std::string> halSampleRates =
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splitString(halListValue.string(), AUDIO_PARAMETER_VALUE_LIST_SEPARATOR[0]);
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hidl_vec<uint32_t> sampleRates;
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sampleRates.resize(halSampleRates.size());
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for (size_t i = 0; i < sampleRates.size(); ++i) {
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sampleRates[i] = std::stoi(halSampleRates[i]);
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}
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// Query supported channel masks for the format.
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result = getParam(AudioParameter::keyStreamSupportedChannels, &halListValue, context);
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if (result != Result::OK) break;
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std::vector<std::string> halChannelMasks =
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splitString(halListValue.string(), AUDIO_PARAMETER_VALUE_LIST_SEPARATOR[0]);
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hidl_vec<AudioChannelMask> channelMasks;
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(void)HidlUtils::audioChannelMasksFromHal(halChannelMasks, &channelMasks);
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// Create a profile.
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if (channelMasks.size() != 0 && sampleRates.size() != 0) {
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tempProfiles.push_back({.format = format,
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.sampleRates = std::move(sampleRates),
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.channelMasks = std::move(channelMasks)});
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}
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}
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// Legacy get_parameter does not return a status_t, thus can not advertise of failure.
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// Note that the method must not return an empty list if this capability is supported.
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if (!tempProfiles.empty()) {
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profiles = tempProfiles;
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} else {
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result = Result::NOT_SUPPORTED;
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}
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_hidl_cb(result, profiles);
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return Void();
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}
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Return<void> Stream::getAudioProperties(getAudioProperties_cb _hidl_cb) {
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audio_config_base_t halConfigBase = {mStream->get_sample_rate(mStream),
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mStream->get_channels(mStream),
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mStream->get_format(mStream)};
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AudioConfigBase configBase = {};
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status_t status = HidlUtils::audioConfigBaseFromHal(halConfigBase, mIsInput, &configBase);
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_hidl_cb(Stream::analyzeStatus("get_audio_properties", status), configBase);
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return Void();
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}
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Return<Result> Stream::setAudioProperties(const AudioConfigBaseOptional& config) {
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audio_config_base_t halConfigBase = AUDIO_CONFIG_BASE_INITIALIZER;
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bool formatSpecified, sRateSpecified, channelMaskSpecified;
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status_t status = HidlUtils::audioConfigBaseOptionalToHal(
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config, &halConfigBase, &formatSpecified, &sRateSpecified, &channelMaskSpecified);
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if (status != NO_ERROR) {
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return Stream::analyzeStatus("set_audio_properties", status);
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}
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if (sRateSpecified) {
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if (Result result = setParam(AudioParameter::keySamplingRate,
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static_cast<int>(halConfigBase.sample_rate));
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result != Result::OK) {
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return result;
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}
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}
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if (channelMaskSpecified) {
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if (Result result = setParam(AudioParameter::keyChannels,
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static_cast<int>(halConfigBase.channel_mask));
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result != Result::OK) {
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return result;
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}
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}
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if (formatSpecified) {
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if (Result result =
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setParam(AudioParameter::keyFormat, static_cast<int>(halConfigBase.format));
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result != Result::OK) {
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return result;
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}
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}
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return Result::OK;
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}
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#endif // MAJOR_VERSION <= 6
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Return<Result> Stream::addEffect(uint64_t effectId) {
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effect_handle_t halEffect = EffectMap::getInstance().get(effectId);
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if (halEffect != NULL) {
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return analyzeStatus("add_audio_effect", mStream->add_audio_effect(mStream, halEffect));
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} else {
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ALOGW("Invalid effect ID passed from client: %" PRIu64, effectId);
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return Result::INVALID_ARGUMENTS;
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}
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}
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Return<Result> Stream::removeEffect(uint64_t effectId) {
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effect_handle_t halEffect = EffectMap::getInstance().get(effectId);
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if (halEffect != NULL) {
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return analyzeStatus("remove_audio_effect",
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mStream->remove_audio_effect(mStream, halEffect));
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} else {
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ALOGW("Invalid effect ID passed from client: %" PRIu64, effectId);
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return Result::INVALID_ARGUMENTS;
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}
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}
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Return<Result> Stream::standby() {
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return analyzeStatus("standby", mStream->standby(mStream));
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}
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Return<Result> Stream::setHwAvSync(uint32_t hwAvSync) {
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return setParam(AudioParameter::keyStreamHwAvSync, static_cast<int>(hwAvSync));
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}
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#if MAJOR_VERSION == 2
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Return<AudioDevice> Stream::getDevice() {
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int device = 0;
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Result retval = getParam(AudioParameter::keyRouting, &device);
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return retval == Result::OK ? static_cast<AudioDevice>(device) : AudioDevice::NONE;
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}
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Return<Result> Stream::setDevice(const DeviceAddress& address) {
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return setParam(AudioParameter::keyRouting, address);
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}
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Return<void> Stream::getParameters(const hidl_vec<hidl_string>& keys, getParameters_cb _hidl_cb) {
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getParametersImpl({} /* context */, keys, _hidl_cb);
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return Void();
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}
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Return<Result> Stream::setParameters(const hidl_vec<ParameterValue>& parameters) {
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return setParametersImpl({} /* context */, parameters);
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}
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Return<Result> Stream::setConnectedState(const DeviceAddress& address, bool connected) {
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return setParam(
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connected ? AudioParameter::keyDeviceConnect : AudioParameter::keyDeviceDisconnect,
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address);
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}
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#elif MAJOR_VERSION >= 4
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Return<void> Stream::getDevices(getDevices_cb _hidl_cb) {
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int halDevice = 0;
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Result retval = getParam(AudioParameter::keyRouting, &halDevice);
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hidl_vec<DeviceAddress> devices;
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if (retval == Result::OK) {
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devices.resize(1);
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retval = Stream::analyzeStatus(
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"get_devices",
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CoreUtils::deviceAddressFromHal(static_cast<audio_devices_t>(halDevice), nullptr,
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&devices[0]));
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}
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_hidl_cb(retval, devices);
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return Void();
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}
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Return<Result> Stream::setDevices(const hidl_vec<DeviceAddress>& devices) {
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// FIXME: can the legacy API set multiple device with address ?
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if (devices.size() > 1) {
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return Result::NOT_SUPPORTED;
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}
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DeviceAddress address{};
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if (devices.size() == 1) {
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address = devices[0];
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}
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return setParam(AudioParameter::keyRouting, address);
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}
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Return<void> Stream::getParameters(const hidl_vec<ParameterValue>& context,
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const hidl_vec<hidl_string>& keys, getParameters_cb _hidl_cb) {
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getParametersImpl(context, keys, _hidl_cb);
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return Void();
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}
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Return<Result> Stream::setParameters(const hidl_vec<ParameterValue>& context,
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const hidl_vec<ParameterValue>& parameters) {
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return setParametersImpl(context, parameters);
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}
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#endif
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Return<Result> Stream::start() {
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return Result::NOT_SUPPORTED;
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}
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Return<Result> Stream::stop() {
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return Result::NOT_SUPPORTED;
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}
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Return<void> Stream::createMmapBuffer(int32_t minSizeFrames __unused,
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createMmapBuffer_cb _hidl_cb) {
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Result retval(Result::NOT_SUPPORTED);
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MmapBufferInfo info;
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_hidl_cb(retval, info);
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return Void();
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}
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Return<void> Stream::getMmapPosition(getMmapPosition_cb _hidl_cb) {
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Result retval(Result::NOT_SUPPORTED);
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MmapPosition position;
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_hidl_cb(retval, position);
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return Void();
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}
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Return<Result> Stream::close() {
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return Result::NOT_SUPPORTED;
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}
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Return<void> Stream::debug(const hidl_handle& fd, const hidl_vec<hidl_string>& /* options */) {
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if (fd.getNativeHandle() != nullptr && fd->numFds == 1) {
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analyzeStatus("dump", mStream->dump(mStream, fd->data[0]));
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}
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return Void();
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}
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#if MAJOR_VERSION == 2
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Return<void> Stream::debugDump(const hidl_handle& fd) {
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return debug(fd, {} /* options */);
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}
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#endif
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} // namespace implementation
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} // namespace CPP_VERSION
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} // namespace audio
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} // namespace hardware
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} // namespace android
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