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288 lines
11 KiB
288 lines
11 KiB
/*
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* Copyright (C) 2019 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 "AudioPort"
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#include <algorithm>
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#include <android-base/stringprintf.h>
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#include <media/AudioPort.h>
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#include <utils/Log.h>
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namespace android {
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void AudioPort::importAudioPort(const sp<AudioPort>& port, bool force __unused)
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{
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for (const auto& profileToImport : port->mProfiles) {
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// Import only valid port, i.e. valid format, non empty rates and channels masks
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if (!profileToImport->isValid()) {
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continue;
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}
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if (std::find_if(mProfiles.begin(), mProfiles.end(),
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[profileToImport](const auto &profile) {
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return *profile == *profileToImport; }) == mProfiles.end()) {
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addAudioProfile(profileToImport);
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}
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}
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}
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void AudioPort::toAudioPort(struct audio_port *port) const {
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// TODO: update this function once audio_port structure reflects the new profile definition.
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// For compatibility reason: flatening the AudioProfile into audio_port structure.
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FormatSet flatenedFormats;
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SampleRateSet flatenedRates;
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ChannelMaskSet flatenedChannels;
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for (const auto& profile : mProfiles) {
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if (profile->isValid()) {
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audio_format_t formatToExport = profile->getFormat();
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const SampleRateSet &ratesToExport = profile->getSampleRates();
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const ChannelMaskSet &channelsToExport = profile->getChannels();
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flatenedFormats.insert(formatToExport);
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flatenedRates.insert(ratesToExport.begin(), ratesToExport.end());
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flatenedChannels.insert(channelsToExport.begin(), channelsToExport.end());
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if (flatenedRates.size() > AUDIO_PORT_MAX_SAMPLING_RATES ||
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flatenedChannels.size() > AUDIO_PORT_MAX_CHANNEL_MASKS ||
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flatenedFormats.size() > AUDIO_PORT_MAX_FORMATS) {
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ALOGE("%s: bailing out: cannot export profiles to port config", __func__);
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return;
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}
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}
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}
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port->role = mRole;
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port->type = mType;
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strlcpy(port->name, mName.c_str(), AUDIO_PORT_MAX_NAME_LEN);
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port->num_sample_rates = flatenedRates.size();
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port->num_channel_masks = flatenedChannels.size();
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port->num_formats = flatenedFormats.size();
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std::copy(flatenedRates.begin(), flatenedRates.end(), port->sample_rates);
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std::copy(flatenedChannels.begin(), flatenedChannels.end(), port->channel_masks);
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std::copy(flatenedFormats.begin(), flatenedFormats.end(), port->formats);
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ALOGV("AudioPort::toAudioPort() num gains %zu", mGains.size());
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port->num_gains = std::min(mGains.size(), (size_t) AUDIO_PORT_MAX_GAINS);
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for (size_t i = 0; i < port->num_gains; i++) {
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port->gains[i] = mGains[i]->getGain();
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}
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}
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void AudioPort::dump(std::string *dst, int spaces, bool verbose) const {
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if (!mName.empty()) {
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dst->append(base::StringPrintf("%*s- name: %s\n", spaces, "", mName.c_str()));
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}
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if (verbose) {
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std::string profilesStr;
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mProfiles.dump(&profilesStr, spaces);
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dst->append(profilesStr);
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if (mGains.size() != 0) {
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dst->append(base::StringPrintf("%*s- gains:\n", spaces, ""));
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for (size_t i = 0; i < mGains.size(); i++) {
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std::string gainStr;
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mGains[i]->dump(&gainStr, spaces + 2, i);
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dst->append(gainStr);
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}
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}
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}
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}
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void AudioPort::log(const char* indent) const
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{
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ALOGI("%s Port[nm:%s, type:%d, role:%d]", indent, mName.c_str(), mType, mRole);
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}
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bool AudioPort::equals(const sp<AudioPort> &other) const
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{
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return other != nullptr &&
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mGains.equals(other->getGains()) &&
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mName.compare(other->getName()) == 0 &&
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mType == other->getType() &&
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mRole == other->getRole() &&
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mProfiles.equals(other->getAudioProfiles());
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}
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status_t AudioPort::writeToParcel(Parcel *parcel) const
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{
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status_t status = NO_ERROR;
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if ((status = parcel->writeUtf8AsUtf16(mName)) != NO_ERROR) return status;
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if ((status = parcel->writeUint32(mType)) != NO_ERROR) return status;
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if ((status = parcel->writeUint32(mRole)) != NO_ERROR) return status;
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if ((status = parcel->writeParcelable(mProfiles)) != NO_ERROR) return status;
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if ((status = parcel->writeParcelable(mGains)) != NO_ERROR) return status;
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return status;
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}
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status_t AudioPort::readFromParcel(const Parcel *parcel)
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{
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status_t status = NO_ERROR;
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if ((status = parcel->readUtf8FromUtf16(&mName)) != NO_ERROR) return status;
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static_assert(sizeof(mType) == sizeof(uint32_t));
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if ((status = parcel->readUint32(reinterpret_cast<uint32_t*>(&mType))) != NO_ERROR) {
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return status;
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}
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static_assert(sizeof(mRole) == sizeof(uint32_t));
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if ((status = parcel->readUint32(reinterpret_cast<uint32_t*>(&mRole))) != NO_ERROR) {
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return status;
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}
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mProfiles.clear();
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if ((status = parcel->readParcelable(&mProfiles)) != NO_ERROR) return status;
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mGains.clear();
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if ((status = parcel->readParcelable(&mGains)) != NO_ERROR) return status;
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return status;
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}
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// --- AudioPortConfig class implementation
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status_t AudioPortConfig::applyAudioPortConfig(
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const struct audio_port_config *config,
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struct audio_port_config *backupConfig __unused)
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{
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if (config->config_mask & AUDIO_PORT_CONFIG_SAMPLE_RATE) {
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mSamplingRate = config->sample_rate;
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}
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if (config->config_mask & AUDIO_PORT_CONFIG_CHANNEL_MASK) {
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mChannelMask = config->channel_mask;
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}
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if (config->config_mask & AUDIO_PORT_CONFIG_FORMAT) {
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mFormat = config->format;
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}
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if (config->config_mask & AUDIO_PORT_CONFIG_GAIN) {
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mGain = config->gain;
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}
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return NO_ERROR;
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}
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namespace {
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template<typename T>
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void updateField(
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const T& portConfigField, T audio_port_config::*port_config_field,
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struct audio_port_config *dstConfig, const struct audio_port_config *srcConfig,
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unsigned int configMask, T defaultValue)
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{
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if (dstConfig->config_mask & configMask) {
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if ((srcConfig != nullptr) && (srcConfig->config_mask & configMask)) {
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dstConfig->*port_config_field = srcConfig->*port_config_field;
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} else {
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dstConfig->*port_config_field = portConfigField;
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}
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} else {
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dstConfig->*port_config_field = defaultValue;
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}
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}
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} // namespace
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void AudioPortConfig::toAudioPortConfig(
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struct audio_port_config *dstConfig,
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const struct audio_port_config *srcConfig) const
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{
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updateField(mSamplingRate, &audio_port_config::sample_rate,
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dstConfig, srcConfig, AUDIO_PORT_CONFIG_SAMPLE_RATE, 0u);
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updateField(mChannelMask, &audio_port_config::channel_mask,
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dstConfig, srcConfig, AUDIO_PORT_CONFIG_CHANNEL_MASK,
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(audio_channel_mask_t)AUDIO_CHANNEL_NONE);
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updateField(mFormat, &audio_port_config::format,
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dstConfig, srcConfig, AUDIO_PORT_CONFIG_FORMAT, AUDIO_FORMAT_INVALID);
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dstConfig->id = mId;
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sp<AudioPort> audioport = getAudioPort();
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if ((dstConfig->config_mask & AUDIO_PORT_CONFIG_GAIN) && audioport != NULL) {
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dstConfig->gain = mGain;
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if ((srcConfig != NULL) && (srcConfig->config_mask & AUDIO_PORT_CONFIG_GAIN)
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&& audioport->checkGain(&srcConfig->gain, srcConfig->gain.index) == OK) {
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dstConfig->gain = srcConfig->gain;
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}
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} else {
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dstConfig->gain.index = -1;
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}
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if (dstConfig->gain.index != -1) {
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dstConfig->config_mask |= AUDIO_PORT_CONFIG_GAIN;
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} else {
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dstConfig->config_mask &= ~AUDIO_PORT_CONFIG_GAIN;
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}
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}
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bool AudioPortConfig::hasGainController(bool canUseForVolume) const
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{
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sp<AudioPort> audioport = getAudioPort();
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if (!audioport) {
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return false;
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}
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return canUseForVolume ? audioport->getGains().canUseForVolume()
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: audioport->getGains().size() > 0;
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}
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bool AudioPortConfig::equals(const sp<AudioPortConfig> &other) const
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{
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return other != nullptr &&
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mSamplingRate == other->getSamplingRate() &&
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mFormat == other->getFormat() &&
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mChannelMask == other->getChannelMask() &&
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// Compare audio gain config
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mGain.index == other->mGain.index &&
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mGain.mode == other->mGain.mode &&
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mGain.channel_mask == other->mGain.channel_mask &&
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std::equal(std::begin(mGain.values), std::end(mGain.values),
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std::begin(other->mGain.values)) &&
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mGain.ramp_duration_ms == other->mGain.ramp_duration_ms;
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}
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status_t AudioPortConfig::writeToParcel(Parcel *parcel) const
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{
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status_t status = NO_ERROR;
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if ((status = parcel->writeUint32(mSamplingRate)) != NO_ERROR) return status;
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if ((status = parcel->writeUint32(mFormat)) != NO_ERROR) return status;
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if ((status = parcel->writeUint32(mChannelMask)) != NO_ERROR) return status;
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if ((status = parcel->writeInt32(mId)) != NO_ERROR) return status;
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// Write mGain to parcel.
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if ((status = parcel->writeInt32(mGain.index)) != NO_ERROR) return status;
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if ((status = parcel->writeUint32(mGain.mode)) != NO_ERROR) return status;
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if ((status = parcel->writeUint32(mGain.channel_mask)) != NO_ERROR) return status;
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if ((status = parcel->writeUint32(mGain.ramp_duration_ms)) != NO_ERROR) return status;
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std::vector<int> values(std::begin(mGain.values), std::end(mGain.values));
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if ((status = parcel->writeInt32Vector(values)) != NO_ERROR) return status;
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return status;
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}
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status_t AudioPortConfig::readFromParcel(const Parcel *parcel)
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{
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status_t status = NO_ERROR;
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if ((status = parcel->readUint32(&mSamplingRate)) != NO_ERROR) return status;
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static_assert(sizeof(mFormat) == sizeof(uint32_t));
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if ((status = parcel->readUint32(reinterpret_cast<uint32_t*>(&mFormat))) != NO_ERROR) {
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return status;
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}
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if ((status = parcel->readUint32(&mChannelMask)) != NO_ERROR) return status;
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if ((status = parcel->readInt32(&mId)) != NO_ERROR) return status;
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// Read mGain from parcel.
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if ((status = parcel->readInt32(&mGain.index)) != NO_ERROR) return status;
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if ((status = parcel->readUint32(&mGain.mode)) != NO_ERROR) return status;
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if ((status = parcel->readUint32(&mGain.channel_mask)) != NO_ERROR) return status;
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if ((status = parcel->readUint32(&mGain.ramp_duration_ms)) != NO_ERROR) return status;
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std::vector<int> values;
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if ((status = parcel->readInt32Vector(&values)) != NO_ERROR) return status;
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if (values.size() != std::size(mGain.values)) {
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return BAD_VALUE;
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}
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std::copy(values.begin(), values.end(), mGain.values);
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return status;
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}
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} // namespace android
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