Rename AudioPort and PolicyAudioPort accordingly.

Make the file name consistent as the class name.

Test: make
Bug: 135621476
Change-Id: Icbde26fe1798e344c3746f4678db098688456654
Merged-In: Icbde26fe1798e344c3746f4678db098688456654
diff --git a/media/libaudiofoundation/AudioPort.cpp b/media/libaudiofoundation/AudioPort.cpp
new file mode 100644
index 0000000..cde31e4
--- /dev/null
+++ b/media/libaudiofoundation/AudioPort.cpp
@@ -0,0 +1,191 @@
+/*
+ * 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);
+}
+
+// --- 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;
+}
+
+}