media/libaudiofoundation/AudioPort.cpp - third_party/android/platform/frameworks/av - Git at Google

 /*
  * Copyright (C) 2019 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 "AudioPort"

 #include <algorithm>

 #include <android-base/stringprintf.h>
 #include <media/AudioPort.h>
 #include <utils/Log.h>

 namespace android {

 void AudioPort::importAudioPort(const sp<AudioPort>& port, bool force __unused)
 {
     for (const auto& profileToImport : port->mProfiles) {
         // Import only valid port, i.e. valid format, non empty rates and channels masks
         if (!profileToImport->isValid()) {
             continue;
         }
         if (std::find_if(mProfiles.begin(), mProfiles.end(),
                 [profileToImport](const auto &profile) {
                         return *profile == *profileToImport; }) == mProfiles.end()) {
             addAudioProfile(profileToImport);
         }
     }
 }

 void AudioPort::toAudioPort(struct audio_port *port) const {
     // TODO: update this function once audio_port structure reflects the new profile definition.
     // For compatibility reason: flatening the AudioProfile into audio_port structure.
     FormatSet flatenedFormats;
     SampleRateSet flatenedRates;
     ChannelMaskSet flatenedChannels;
     for (const auto& profile : mProfiles) {
         if (profile->isValid()) {
             audio_format_t formatToExport = profile->getFormat();
             const SampleRateSet &ratesToExport = profile->getSampleRates();
             const ChannelMaskSet &channelsToExport = profile->getChannels();

             flatenedFormats.insert(formatToExport);
             flatenedRates.insert(ratesToExport.begin(), ratesToExport.end());
             flatenedChannels.insert(channelsToExport.begin(), channelsToExport.end());

             if (flatenedRates.size() > AUDIO_PORT_MAX_SAMPLING_RATES ||
                     flatenedChannels.size() > AUDIO_PORT_MAX_CHANNEL_MASKS ||
                     flatenedFormats.size() > AUDIO_PORT_MAX_FORMATS) {
                 ALOGE("%s: bailing out: cannot export profiles to port config", __func__);
                 return;
             }
         }
     }
     port->role = mRole;
     port->type = mType;
     strlcpy(port->name, mName.c_str(), AUDIO_PORT_MAX_NAME_LEN);
     port->num_sample_rates = flatenedRates.size();
     port->num_channel_masks = flatenedChannels.size();
     port->num_formats = flatenedFormats.size();
     std::copy(flatenedRates.begin(), flatenedRates.end(), port->sample_rates);
     std::copy(flatenedChannels.begin(), flatenedChannels.end(), port->channel_masks);
     std::copy(flatenedFormats.begin(), flatenedFormats.end(), port->formats);

     ALOGV("AudioPort::toAudioPort() num gains %zu", mGains.size());

     port->num_gains = std::min(mGains.size(), (size_t) AUDIO_PORT_MAX_GAINS);
     for (size_t i = 0; i < port->num_gains; i++) {
         port->gains[i] = mGains[i]->getGain();
     }
 }

 void AudioPort::dump(std::string *dst, int spaces, bool verbose) const {
     if (!mName.empty()) {
         dst->append(base::StringPrintf("%*s- name: %s\n", spaces, "", mName.c_str()));
     }
     if (verbose) {
         std::string profilesStr;
         mProfiles.dump(&profilesStr, spaces);
         dst->append(profilesStr);

         if (mGains.size() != 0) {
             dst->append(base::StringPrintf("%*s- gains:\n", spaces, ""));
             for (size_t i = 0; i < mGains.size(); i++) {
                 std::string gainStr;
                 mGains[i]->dump(&gainStr, spaces + 2, i);
                 dst->append(gainStr);
             }
         }
     }
 }

 void AudioPort::log(const char* indent) const
 {
     ALOGI("%s Port[nm:%s, type:%d, role:%d]", indent, mName.c_str(), mType, mRole);
 }

 bool AudioPort::equals(const sp<AudioPort> &other) const
 {
     return other != nullptr &&
            mGains.equals(other->getGains()) &&
            mName.compare(other->getName()) == 0 &&
            mType == other->getType() &&
            mRole == other->getRole() &&
            mProfiles.equals(other->getAudioProfiles());
 }

 status_t AudioPort::writeToParcel(Parcel *parcel) const
 {
     status_t status = NO_ERROR;
     if ((status = parcel->writeUtf8AsUtf16(mName)) != NO_ERROR) return status;
     if ((status = parcel->writeUint32(mType)) != NO_ERROR) return status;
     if ((status = parcel->writeUint32(mRole)) != NO_ERROR) return status;
     if ((status = parcel->writeParcelable(mProfiles)) != NO_ERROR) return status;
     if ((status = parcel->writeParcelable(mGains)) != NO_ERROR) return status;
     return status;
 }

 status_t AudioPort::readFromParcel(const Parcel *parcel)
 {
     status_t status = NO_ERROR;
     if ((status = parcel->readUtf8FromUtf16(&mName)) != NO_ERROR) return status;
     static_assert(sizeof(mType) == sizeof(uint32_t));
     if ((status = parcel->readUint32(reinterpret_cast<uint32_t*>(&mType))) != NO_ERROR) {
         return status;
     }
     static_assert(sizeof(mRole) == sizeof(uint32_t));
     if ((status = parcel->readUint32(reinterpret_cast<uint32_t*>(&mRole))) != NO_ERROR) {
         return status;
     }
     mProfiles.clear();
     if ((status = parcel->readParcelable(&mProfiles)) != NO_ERROR) return status;
     mGains.clear();
     if ((status = parcel->readParcelable(&mGains)) != NO_ERROR) return status;
     return status;
 }

 // --- AudioPortConfig class implementation

 status_t AudioPortConfig::applyAudioPortConfig(
         const struct audio_port_config *config,
         struct audio_port_config *backupConfig __unused)
 {
     if (config->config_mask & AUDIO_PORT_CONFIG_SAMPLE_RATE) {
         mSamplingRate = config->sample_rate;
     }
     if (config->config_mask & AUDIO_PORT_CONFIG_CHANNEL_MASK) {
         mChannelMask = config->channel_mask;
     }
     if (config->config_mask & AUDIO_PORT_CONFIG_FORMAT) {
         mFormat = config->format;
     }
     if (config->config_mask & AUDIO_PORT_CONFIG_GAIN) {
         mGain = config->gain;
     }

     return NO_ERROR;
 }

 namespace {

 template<typename T>
 void updateField(
         const T& portConfigField, T audio_port_config::*port_config_field,
         struct audio_port_config *dstConfig, const struct audio_port_config *srcConfig,
         unsigned int configMask, T defaultValue)
 {
     if (dstConfig->config_mask & configMask) {
         if ((srcConfig != nullptr) && (srcConfig->config_mask & configMask)) {
             dstConfig->*port_config_field = srcConfig->*port_config_field;
         } else {
             dstConfig->*port_config_field = portConfigField;
         }
     } else {
         dstConfig->*port_config_field = defaultValue;
     }
 }

 } // namespace

 void AudioPortConfig::toAudioPortConfig(
         struct audio_port_config *dstConfig,
         const struct audio_port_config *srcConfig) const
 {
     updateField(mSamplingRate, &audio_port_config::sample_rate,
             dstConfig, srcConfig, AUDIO_PORT_CONFIG_SAMPLE_RATE, 0u);
     updateField(mChannelMask, &audio_port_config::channel_mask,
             dstConfig, srcConfig, AUDIO_PORT_CONFIG_CHANNEL_MASK,
             (audio_channel_mask_t)AUDIO_CHANNEL_NONE);
     updateField(mFormat, &audio_port_config::format,
             dstConfig, srcConfig, AUDIO_PORT_CONFIG_FORMAT, AUDIO_FORMAT_INVALID);
     dstConfig->id = mId;

     sp<AudioPort> audioport = getAudioPort();
     if ((dstConfig->config_mask & AUDIO_PORT_CONFIG_GAIN) && audioport != NULL) {
         dstConfig->gain = mGain;
         if ((srcConfig != NULL) && (srcConfig->config_mask & AUDIO_PORT_CONFIG_GAIN)
                 && audioport->checkGain(&srcConfig->gain, srcConfig->gain.index) == OK) {
             dstConfig->gain = srcConfig->gain;
         }
     } else {
         dstConfig->gain.index = -1;
     }
     if (dstConfig->gain.index != -1) {
         dstConfig->config_mask |= AUDIO_PORT_CONFIG_GAIN;
     } else {
         dstConfig->config_mask &= ~AUDIO_PORT_CONFIG_GAIN;
     }
 }

 bool AudioPortConfig::hasGainController(bool canUseForVolume) const
 {
     sp<AudioPort> audioport = getAudioPort();
     if (!audioport) {
         return false;
     }
     return canUseForVolume ? audioport->getGains().canUseForVolume()
                            : audioport->getGains().size() > 0;
 }

 bool AudioPortConfig::equals(const sp<AudioPortConfig> &other) const
 {
     return other != nullptr &&
            mSamplingRate == other->getSamplingRate() &&
            mFormat == other->getFormat() &&
            mChannelMask == other->getChannelMask() &&
            // Compare audio gain config
            mGain.index == other->mGain.index &&
            mGain.mode == other->mGain.mode &&
            mGain.channel_mask == other->mGain.channel_mask &&
            std::equal(std::begin(mGain.values), std::end(mGain.values),
                       std::begin(other->mGain.values)) &&
            mGain.ramp_duration_ms == other->mGain.ramp_duration_ms;
 }

 status_t AudioPortConfig::writeToParcel(Parcel *parcel) const
 {
     status_t status = NO_ERROR;
     if ((status = parcel->writeUint32(mSamplingRate)) != NO_ERROR) return status;
     if ((status = parcel->writeUint32(mFormat)) != NO_ERROR) return status;
     if ((status = parcel->writeUint32(mChannelMask)) != NO_ERROR) return status;
     if ((status = parcel->writeInt32(mId)) != NO_ERROR) return status;
     // Write mGain to parcel.
     if ((status = parcel->writeInt32(mGain.index)) != NO_ERROR) return status;
     if ((status = parcel->writeUint32(mGain.mode)) != NO_ERROR) return status;
     if ((status = parcel->writeUint32(mGain.channel_mask)) != NO_ERROR) return status;
     if ((status = parcel->writeUint32(mGain.ramp_duration_ms)) != NO_ERROR) return status;
     std::vector<int> values(std::begin(mGain.values), std::end(mGain.values));
     if ((status = parcel->writeInt32Vector(values)) != NO_ERROR) return status;
     return status;
 }

 status_t AudioPortConfig::readFromParcel(const Parcel *parcel)
 {
     status_t status = NO_ERROR;
     if ((status = parcel->readUint32(&mSamplingRate)) != NO_ERROR) return status;
     static_assert(sizeof(mFormat) == sizeof(uint32_t));
     if ((status = parcel->readUint32(reinterpret_cast<uint32_t*>(&mFormat))) != NO_ERROR) {
         return status;
     }
     if ((status = parcel->readUint32(&mChannelMask)) != NO_ERROR) return status;
     if ((status = parcel->readInt32(&mId)) != NO_ERROR) return status;
     // Read mGain from parcel.
     if ((status = parcel->readInt32(&mGain.index)) != NO_ERROR) return status;
     if ((status = parcel->readUint32(&mGain.mode)) != NO_ERROR) return status;
     if ((status = parcel->readUint32(&mGain.channel_mask)) != NO_ERROR) return status;
     if ((status = parcel->readUint32(&mGain.ramp_duration_ms)) != NO_ERROR) return status;
     std::vector<int> values;
     if ((status = parcel->readInt32Vector(&values)) != NO_ERROR) return status;
     if (values.size() != std::size(mGain.values)) {
         return BAD_VALUE;
     }
     std::copy(values.begin(), values.end(), mGain.values);
     return status;
 }

 } // namespace android
	/*
	* Copyright (C) 2019 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 "AudioPort"

	#include <algorithm>

	#include <android-base/stringprintf.h>
	#include <media/AudioPort.h>
	#include <utils/Log.h>

	namespace android {

	void AudioPort::importAudioPort(const sp<AudioPort>& port, bool force __unused)
	{
	for (const auto& profileToImport : port->mProfiles) {
	// Import only valid port, i.e. valid format, non empty rates and channels masks
	if (!profileToImport->isValid()) {
	continue;
	}
	if (std::find_if(mProfiles.begin(), mProfiles.end(),
	[profileToImport](const auto &profile) {
	return profile == profileToImport; }) == mProfiles.end()) {
	addAudioProfile(profileToImport);
	}
	}
	}

	void AudioPort::toAudioPort(struct audio_port *port) const {
	// TODO: update this function once audio_port structure reflects the new profile definition.
	// For compatibility reason: flatening the AudioProfile into audio_port structure.
	FormatSet flatenedFormats;
	SampleRateSet flatenedRates;
	ChannelMaskSet flatenedChannels;
	for (const auto& profile : mProfiles) {
	if (profile->isValid()) {
	audio_format_t formatToExport = profile->getFormat();
	const SampleRateSet &ratesToExport = profile->getSampleRates();
	const ChannelMaskSet &channelsToExport = profile->getChannels();

	flatenedFormats.insert(formatToExport);
	flatenedRates.insert(ratesToExport.begin(), ratesToExport.end());
	flatenedChannels.insert(channelsToExport.begin(), channelsToExport.end());

	if (flatenedRates.size() > AUDIO_PORT_MAX_SAMPLING_RATES \|\|
	flatenedChannels.size() > AUDIO_PORT_MAX_CHANNEL_MASKS \|\|
	flatenedFormats.size() > AUDIO_PORT_MAX_FORMATS) {
	ALOGE("%s: bailing out: cannot export profiles to port config", __func__);
	return;
	}
	}
	}
	port->role = mRole;
	port->type = mType;
	strlcpy(port->name, mName.c_str(), AUDIO_PORT_MAX_NAME_LEN);
	port->num_sample_rates = flatenedRates.size();
	port->num_channel_masks = flatenedChannels.size();
	port->num_formats = flatenedFormats.size();
	std::copy(flatenedRates.begin(), flatenedRates.end(), port->sample_rates);
	std::copy(flatenedChannels.begin(), flatenedChannels.end(), port->channel_masks);
	std::copy(flatenedFormats.begin(), flatenedFormats.end(), port->formats);

	ALOGV("AudioPort::toAudioPort() num gains %zu", mGains.size());

	port->num_gains = std::min(mGains.size(), (size_t) AUDIO_PORT_MAX_GAINS);
	for (size_t i = 0; i < port->num_gains; i++) {
	port->gains[i] = mGains[i]->getGain();
	}
	}

	void AudioPort::dump(std::string *dst, int spaces, bool verbose) const {
	if (!mName.empty()) {
	dst->append(base::StringPrintf("%*s- name: %s\n", spaces, "", mName.c_str()));
	}
	if (verbose) {
	std::string profilesStr;
	mProfiles.dump(&profilesStr, spaces);
	dst->append(profilesStr);

	if (mGains.size() != 0) {
	dst->append(base::StringPrintf("%*s- gains:\n", spaces, ""));
	for (size_t i = 0; i < mGains.size(); i++) {
	std::string gainStr;
	mGains[i]->dump(&gainStr, spaces + 2, i);
	dst->append(gainStr);
	}
	}
	}
	}

	void AudioPort::log(const char* indent) const
	{
	ALOGI("%s Port[nm:%s, type:%d, role:%d]", indent, mName.c_str(), mType, mRole);
	}

	bool AudioPort::equals(const sp<AudioPort> &other) const
	{
	return other != nullptr &&
	mGains.equals(other->getGains()) &&
	mName.compare(other->getName()) == 0 &&
	mType == other->getType() &&
	mRole == other->getRole() &&
	mProfiles.equals(other->getAudioProfiles());
	}

	status_t AudioPort::writeToParcel(Parcel *parcel) const
	{
	status_t status = NO_ERROR;
	if ((status = parcel->writeUtf8AsUtf16(mName)) != NO_ERROR) return status;
	if ((status = parcel->writeUint32(mType)) != NO_ERROR) return status;
	if ((status = parcel->writeUint32(mRole)) != NO_ERROR) return status;
	if ((status = parcel->writeParcelable(mProfiles)) != NO_ERROR) return status;
	if ((status = parcel->writeParcelable(mGains)) != NO_ERROR) return status;
	return status;
	}

	status_t AudioPort::readFromParcel(const Parcel *parcel)
	{
	status_t status = NO_ERROR;
	if ((status = parcel->readUtf8FromUtf16(&mName)) != NO_ERROR) return status;
	static_assert(sizeof(mType) == sizeof(uint32_t));
	if ((status = parcel->readUint32(reinterpret_cast<uint32_t*>(&mType))) != NO_ERROR) {
	return status;
	}
	static_assert(sizeof(mRole) == sizeof(uint32_t));
	if ((status = parcel->readUint32(reinterpret_cast<uint32_t*>(&mRole))) != NO_ERROR) {
	return status;
	}
	mProfiles.clear();
	if ((status = parcel->readParcelable(&mProfiles)) != NO_ERROR) return status;
	mGains.clear();
	if ((status = parcel->readParcelable(&mGains)) != NO_ERROR) return status;
	return status;
	}

	// --- AudioPortConfig class implementation

	status_t AudioPortConfig::applyAudioPortConfig(
	const struct audio_port_config *config,
	struct audio_port_config *backupConfig __unused)
	{
	if (config->config_mask & AUDIO_PORT_CONFIG_SAMPLE_RATE) {
	mSamplingRate = config->sample_rate;
	}
	if (config->config_mask & AUDIO_PORT_CONFIG_CHANNEL_MASK) {
	mChannelMask = config->channel_mask;
	}
	if (config->config_mask & AUDIO_PORT_CONFIG_FORMAT) {
	mFormat = config->format;
	}
	if (config->config_mask & AUDIO_PORT_CONFIG_GAIN) {
	mGain = config->gain;
	}

	return NO_ERROR;
	}

	namespace {

	template<typename T>
	void updateField(
	const T& portConfigField, T audio_port_config::*port_config_field,
	struct audio_port_config dstConfig, const struct audio_port_config srcConfig,
	unsigned int configMask, T defaultValue)
	{
	if (dstConfig->config_mask & configMask) {
	if ((srcConfig != nullptr) && (srcConfig->config_mask & configMask)) {
	dstConfig->port_config_field = srcConfig->port_config_field;
	} else {
	dstConfig->*port_config_field = portConfigField;
	}
	} else {
	dstConfig->*port_config_field = defaultValue;
	}
	}

	} // namespace

	void AudioPortConfig::toAudioPortConfig(
	struct audio_port_config *dstConfig,
	const struct audio_port_config *srcConfig) const
	{
	updateField(mSamplingRate, &audio_port_config::sample_rate,
	dstConfig, srcConfig, AUDIO_PORT_CONFIG_SAMPLE_RATE, 0u);
	updateField(mChannelMask, &audio_port_config::channel_mask,
	dstConfig, srcConfig, AUDIO_PORT_CONFIG_CHANNEL_MASK,
	(audio_channel_mask_t)AUDIO_CHANNEL_NONE);
	updateField(mFormat, &audio_port_config::format,
	dstConfig, srcConfig, AUDIO_PORT_CONFIG_FORMAT, AUDIO_FORMAT_INVALID);
	dstConfig->id = mId;

	sp<AudioPort> audioport = getAudioPort();
	if ((dstConfig->config_mask & AUDIO_PORT_CONFIG_GAIN) && audioport != NULL) {
	dstConfig->gain = mGain;
	if ((srcConfig != NULL) && (srcConfig->config_mask & AUDIO_PORT_CONFIG_GAIN)
	&& audioport->checkGain(&srcConfig->gain, srcConfig->gain.index) == OK) {
	dstConfig->gain = srcConfig->gain;
	}
	} else {
	dstConfig->gain.index = -1;
	}
	if (dstConfig->gain.index != -1) {
	dstConfig->config_mask \|= AUDIO_PORT_CONFIG_GAIN;
	} else {
	dstConfig->config_mask &= ~AUDIO_PORT_CONFIG_GAIN;
	}
	}

	bool AudioPortConfig::hasGainController(bool canUseForVolume) const
	{
	sp<AudioPort> audioport = getAudioPort();
	if (!audioport) {
	return false;
	}
	return canUseForVolume ? audioport->getGains().canUseForVolume()
	: audioport->getGains().size() > 0;
	}

	bool AudioPortConfig::equals(const sp<AudioPortConfig> &other) const
	{
	return other != nullptr &&
	mSamplingRate == other->getSamplingRate() &&
	mFormat == other->getFormat() &&
	mChannelMask == other->getChannelMask() &&
	// Compare audio gain config
	mGain.index == other->mGain.index &&
	mGain.mode == other->mGain.mode &&
	mGain.channel_mask == other->mGain.channel_mask &&
	std::equal(std::begin(mGain.values), std::end(mGain.values),
	std::begin(other->mGain.values)) &&
	mGain.ramp_duration_ms == other->mGain.ramp_duration_ms;
	}

	status_t AudioPortConfig::writeToParcel(Parcel *parcel) const
	{
	status_t status = NO_ERROR;
	if ((status = parcel->writeUint32(mSamplingRate)) != NO_ERROR) return status;
	if ((status = parcel->writeUint32(mFormat)) != NO_ERROR) return status;
	if ((status = parcel->writeUint32(mChannelMask)) != NO_ERROR) return status;
	if ((status = parcel->writeInt32(mId)) != NO_ERROR) return status;
	// Write mGain to parcel.
	if ((status = parcel->writeInt32(mGain.index)) != NO_ERROR) return status;
	if ((status = parcel->writeUint32(mGain.mode)) != NO_ERROR) return status;
	if ((status = parcel->writeUint32(mGain.channel_mask)) != NO_ERROR) return status;
	if ((status = parcel->writeUint32(mGain.ramp_duration_ms)) != NO_ERROR) return status;
	std::vector<int> values(std::begin(mGain.values), std::end(mGain.values));
	if ((status = parcel->writeInt32Vector(values)) != NO_ERROR) return status;
	return status;
	}

	status_t AudioPortConfig::readFromParcel(const Parcel *parcel)
	{
	status_t status = NO_ERROR;
	if ((status = parcel->readUint32(&mSamplingRate)) != NO_ERROR) return status;
	static_assert(sizeof(mFormat) == sizeof(uint32_t));
	if ((status = parcel->readUint32(reinterpret_cast<uint32_t*>(&mFormat))) != NO_ERROR) {
	return status;
	}
	if ((status = parcel->readUint32(&mChannelMask)) != NO_ERROR) return status;
	if ((status = parcel->readInt32(&mId)) != NO_ERROR) return status;
	// Read mGain from parcel.
	if ((status = parcel->readInt32(&mGain.index)) != NO_ERROR) return status;
	if ((status = parcel->readUint32(&mGain.mode)) != NO_ERROR) return status;
	if ((status = parcel->readUint32(&mGain.channel_mask)) != NO_ERROR) return status;
	if ((status = parcel->readUint32(&mGain.ramp_duration_ms)) != NO_ERROR) return status;
	std::vector<int> values;
	if ((status = parcel->readInt32Vector(&values)) != NO_ERROR) return status;
	if (values.size() != std::size(mGain.values)) {
	return BAD_VALUE;
	}
	std::copy(values.begin(), values.end(), mGain.values);
	return status;
	}

	} // namespace android