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/*
* Copyright (C) 2014 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 "AudioPolicy"
//#define LOG_NDEBUG 0
#include <utils/Log.h>
#include <media/AudioPolicy.h>
namespace android {
//
// AttributeMatchCriterion implementation
//
AttributeMatchCriterion::AttributeMatchCriterion(audio_usage_t usage,
audio_source_t source,
uint32_t rule)
: mRule(rule)
{
if (mRule == RULE_MATCH_ATTRIBUTE_USAGE ||
mRule == RULE_EXCLUDE_ATTRIBUTE_USAGE) {
mAttr.mUsage = usage;
} else {
mAttr.mSource = source;
}
}
status_t AttributeMatchCriterion::readFromParcel(Parcel *parcel)
{
mRule = parcel->readInt32();
if (mRule == RULE_MATCH_ATTRIBUTE_USAGE ||
mRule == RULE_EXCLUDE_ATTRIBUTE_USAGE) {
mAttr.mUsage = (audio_usage_t)parcel->readInt32();
} else {
mAttr.mSource = (audio_source_t)parcel->readInt32();
}
return NO_ERROR;
}
status_t AttributeMatchCriterion::writeToParcel(Parcel *parcel) const
{
parcel->writeInt32(mRule);
parcel->writeInt32(mAttr.mUsage);
return NO_ERROR;
}
//
// AudioMix implementation
//
status_t AudioMix::readFromParcel(Parcel *parcel)
{
mMixType = parcel->readInt32();
mFormat.sample_rate = (uint32_t)parcel->readInt32();
mFormat.channel_mask = (audio_channel_mask_t)parcel->readInt32();
mFormat.format = (audio_format_t)parcel->readInt32();
mRouteFlags = parcel->readInt32();
mRegistrationId = parcel->readString8();
mCbFlags = (uint32_t)parcel->readInt32();
size_t size = (size_t)parcel->readInt32();
if (size > MAX_CRITERIA_PER_MIX) {
size = MAX_CRITERIA_PER_MIX;
}
for (size_t i = 0; i < size; i++) {
AttributeMatchCriterion criterion;
if (criterion.readFromParcel(parcel) == NO_ERROR) {
mCriteria.add(criterion);
}
}
return NO_ERROR;
}
status_t AudioMix::writeToParcel(Parcel *parcel) const
{
parcel->writeInt32(mMixType);
parcel->writeInt32(mFormat.sample_rate);
parcel->writeInt32(mFormat.channel_mask);
parcel->writeInt32(mFormat.format);
parcel->writeInt32(mRouteFlags);
parcel->writeString8(mRegistrationId);
parcel->writeInt32(mCbFlags);
size_t size = mCriteria.size();
if (size > MAX_CRITERIA_PER_MIX) {
size = MAX_CRITERIA_PER_MIX;
}
size_t sizePosition = parcel->dataPosition();
parcel->writeInt32(size);
size_t finalSize = size;
for (size_t i = 0; i < size; i++) {
size_t position = parcel->dataPosition();
if (mCriteria[i].writeToParcel(parcel) != NO_ERROR) {
parcel->setDataPosition(position);
finalSize--;
}
}
if (size != finalSize) {
size_t position = parcel->dataPosition();
parcel->setDataPosition(sizePosition);
parcel->writeInt32(finalSize);
parcel->setDataPosition(position);
}
return NO_ERROR;
}
} // namespace android
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