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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #define LOG_TAG "BufferingSettings"
     18 //#define LOG_NDEBUG 0
     19 
     20 #include <binder/Parcel.h>
     21 
     22 #include <media/BufferingSettings.h>
     23 
     24 namespace android {
     25 
     26 // static
     27 bool BufferingSettings::IsValidBufferingMode(int mode) {
     28     return (mode >= BUFFERING_MODE_NONE && mode < BUFFERING_MODE_COUNT);
     29 }
     30 
     31 // static
     32 bool BufferingSettings::IsTimeBasedBufferingMode(int mode) {
     33     return (mode == BUFFERING_MODE_TIME_ONLY || mode == BUFFERING_MODE_TIME_THEN_SIZE);
     34 }
     35 
     36 // static
     37 bool BufferingSettings::IsSizeBasedBufferingMode(int mode) {
     38     return (mode == BUFFERING_MODE_SIZE_ONLY || mode == BUFFERING_MODE_TIME_THEN_SIZE);
     39 }
     40 
     41 BufferingSettings::BufferingSettings()
     42         : mInitialBufferingMode(BUFFERING_MODE_NONE),
     43           mRebufferingMode(BUFFERING_MODE_NONE),
     44           mInitialWatermarkMs(kNoWatermark),
     45           mInitialWatermarkKB(kNoWatermark),
     46           mRebufferingWatermarkLowMs(kNoWatermark),
     47           mRebufferingWatermarkHighMs(kNoWatermark),
     48           mRebufferingWatermarkLowKB(kNoWatermark),
     49           mRebufferingWatermarkHighKB(kNoWatermark) { }
     50 
     51 status_t BufferingSettings::readFromParcel(const Parcel* parcel) {
     52     if (parcel == nullptr) {
     53         return BAD_VALUE;
     54     }
     55     mInitialBufferingMode = (BufferingMode)parcel->readInt32();
     56     mRebufferingMode = (BufferingMode)parcel->readInt32();
     57     mInitialWatermarkMs = parcel->readInt32();
     58     mInitialWatermarkKB = parcel->readInt32();
     59     mRebufferingWatermarkLowMs = parcel->readInt32();
     60     mRebufferingWatermarkHighMs = parcel->readInt32();
     61     mRebufferingWatermarkLowKB = parcel->readInt32();
     62     mRebufferingWatermarkHighKB = parcel->readInt32();
     63 
     64     return OK;
     65 }
     66 
     67 status_t BufferingSettings::writeToParcel(Parcel* parcel) const {
     68     if (parcel == nullptr) {
     69         return BAD_VALUE;
     70     }
     71     parcel->writeInt32(mInitialBufferingMode);
     72     parcel->writeInt32(mRebufferingMode);
     73     parcel->writeInt32(mInitialWatermarkMs);
     74     parcel->writeInt32(mInitialWatermarkKB);
     75     parcel->writeInt32(mRebufferingWatermarkLowMs);
     76     parcel->writeInt32(mRebufferingWatermarkHighMs);
     77     parcel->writeInt32(mRebufferingWatermarkLowKB);
     78     parcel->writeInt32(mRebufferingWatermarkHighKB);
     79 
     80     return OK;
     81 }
     82 
     83 String8 BufferingSettings::toString() const {
     84     String8 s;
     85     s.appendFormat("initialMode(%d), rebufferingMode(%d), "
     86             "initialMarks(%d ms, %d KB), rebufferingMarks(%d, %d)ms, (%d, %d)KB",
     87             mInitialBufferingMode, mRebufferingMode,
     88             mInitialWatermarkMs, mInitialWatermarkKB,
     89             mRebufferingWatermarkLowMs, mRebufferingWatermarkHighMs,
     90             mRebufferingWatermarkLowKB, mRebufferingWatermarkHighKB);
     91     return s;
     92 }
     93 
     94 } // namespace android
     95