332 lines
11 KiB
C++
332 lines
11 KiB
C++
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/*
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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 "core/default/Stream.h"
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#include "common/all-versions/default/EffectMap.h"
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#include "core/default/Conversions.h"
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#include "core/default/Util.h"
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#include <inttypes.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/TypeConverter.h>
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#include <utils/SortedVector.h>
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#include <utils/Vector.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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Stream::Stream(audio_stream_t* stream) : mStream(stream) {}
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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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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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SortedVector<uint32_t> 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.setToExternal(halSampleRates.editArray(), halSampleRates.size());
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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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SortedVector<audio_channel_mask_t> 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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for (size_t i = 0; i < halChannelMasks.size(); ++i) {
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channelMasks[i] = AudioChannelBitfield(halChannelMasks[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 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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Vector<audio_format_t> 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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}
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_hidl_cb(formats);
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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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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::keyStreamConnect : AudioParameter::keyStreamDisconnect,
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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 device = 0;
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Result retval = getParam(AudioParameter::keyRouting, &device);
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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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devices[0].device = static_cast<AudioDevice>(device);
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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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} else {
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address.device = AudioDevice::NONE;
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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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