2 * Copyright (C) 2017 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
16 #ifndef ANDROID_HARDWARE_BROADCASTRADIO_V1_1_UTILS_H
17 #define ANDROID_HARDWARE_BROADCASTRADIO_V1_1_UTILS_H
19 #include <android/hardware/broadcastradio/1.1/types.h>
26 namespace broadcastradio {
31 * Checks, if {@code pointer} tunes to {@channel}.
33 * For example, having a channel {AMFM_FREQUENCY = 103.3}:
34 * - selector {AMFM_FREQUENCY = 103.3, HD_SUBCHANNEL = 0} can tune to this channel;
35 * - selector {AMFM_FREQUENCY = 103.3, HD_SUBCHANNEL = 1} can't.
37 * @param pointer selector we're trying to match against channel.
38 * @param channel existing channel.
40 bool tunesTo(const ProgramSelector& pointer, const ProgramSelector& channel);
42 ProgramType getType(const ProgramSelector& sel);
43 bool isAmFm(const ProgramType type);
45 bool hasId(const ProgramSelector& sel, const IdentifierType type);
48 * Returns ID (either primary or secondary) for a given program selector.
50 * If the selector does not contain given type, returns 0 and emits a warning.
52 uint64_t getId(const ProgramSelector& sel, const IdentifierType type);
55 * Returns ID (either primary or secondary) for a given program selector.
57 * If the selector does not contain given type, returns default value.
59 uint64_t getId(const ProgramSelector& sel, const IdentifierType type, uint64_t defval);
61 ProgramSelector make_selector(V1_0::Band band, uint32_t channel, uint32_t subChannel = 0);
63 bool getLegacyChannel(const ProgramSelector& sel, uint32_t* channelOut, uint32_t* subChannelOut);
65 bool isDigital(const ProgramSelector& sel);
69 } // namespace broadcastradio
70 } // namespace hardware
71 } // namespace android
73 #endif // ANDROID_HARDWARE_BROADCASTRADIO_V1_1_UTILS_H