Home | History | Annotate | Download | only in broadcastradio-utils-1x
      1 /*
      2  * Copyright (C) 2017 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 #ifndef ANDROID_HARDWARE_BROADCASTRADIO_COMMON_UTILS_1X_H
     17 #define ANDROID_HARDWARE_BROADCASTRADIO_COMMON_UTILS_1X_H
     18 
     19 #include <android/hardware/broadcastradio/1.1/types.h>
     20 #include <chrono>
     21 #include <queue>
     22 #include <thread>
     23 
     24 namespace android {
     25 namespace hardware {
     26 namespace broadcastradio {
     27 namespace utils {
     28 
     29 enum class HalRevision : uint32_t {
     30     V1_0 = 1,
     31     V1_1,
     32 };
     33 
     34 /**
     35  * Checks, if {@code pointer} tunes to {@channel}.
     36  *
     37  * For example, having a channel {AMFM_FREQUENCY = 103.3}:
     38  * - selector {AMFM_FREQUENCY = 103.3, HD_SUBCHANNEL = 0} can tune to this channel;
     39  * - selector {AMFM_FREQUENCY = 103.3, HD_SUBCHANNEL = 1} can't.
     40  *
     41  * @param pointer selector we're trying to match against channel.
     42  * @param channel existing channel.
     43  */
     44 bool tunesTo(const V1_1::ProgramSelector& pointer, const V1_1::ProgramSelector& channel);
     45 
     46 V1_1::ProgramType getType(const V1_1::ProgramSelector& sel);
     47 bool isAmFm(const V1_1::ProgramType type);
     48 
     49 bool isAm(const V1_0::Band band);
     50 bool isFm(const V1_0::Band band);
     51 
     52 bool hasId(const V1_1::ProgramSelector& sel, const V1_1::IdentifierType type);
     53 
     54 /**
     55  * Returns ID (either primary or secondary) for a given program selector.
     56  *
     57  * If the selector does not contain given type, returns 0 and emits a warning.
     58  */
     59 uint64_t getId(const V1_1::ProgramSelector& sel, const V1_1::IdentifierType type);
     60 
     61 /**
     62  * Returns ID (either primary or secondary) for a given program selector.
     63  *
     64  * If the selector does not contain given type, returns default value.
     65  */
     66 uint64_t getId(const V1_1::ProgramSelector& sel, const V1_1::IdentifierType type, uint64_t defval);
     67 
     68 V1_1::ProgramSelector make_selector(V1_0::Band band, uint32_t channel, uint32_t subChannel = 0);
     69 
     70 bool getLegacyChannel(const V1_1::ProgramSelector& sel, uint32_t* channelOut,
     71                       uint32_t* subChannelOut);
     72 
     73 bool isDigital(const V1_1::ProgramSelector& sel);
     74 
     75 }  // namespace utils
     76 
     77 namespace V1_0 {
     78 
     79 bool operator==(const BandConfig& l, const BandConfig& r);
     80 
     81 }  // namespace V1_0
     82 
     83 }  // namespace broadcastradio
     84 }  // namespace hardware
     85 }  // namespace android
     86 
     87 #endif  // ANDROID_HARDWARE_BROADCASTRADIO_COMMON_UTILS_1X_H
     88