143 lines
5.3 KiB
C++
143 lines
5.3 KiB
C++
/*
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* Copyright 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "BTAudioProviderSessionCodecsDB_2_1"
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#include "BluetoothAudioSupportedCodecsDB_2_1.h"
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#include <android-base/logging.h>
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namespace android {
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namespace bluetooth {
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namespace audio {
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using ::android::hardware::bluetooth::audio::V2_0::BitsPerSample;
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using ::android::hardware::bluetooth::audio::V2_0::ChannelMode;
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using SampleRate_2_0 = ::android::hardware::bluetooth::audio::V2_0::SampleRate;
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using SampleRate_2_1 = ::android::hardware::bluetooth::audio::V2_1::SampleRate;
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using SessionType_2_1 =
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::android::hardware::bluetooth::audio::V2_1::SessionType;
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using SessionType_2_0 =
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::android::hardware::bluetooth::audio::V2_0::SessionType;
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namespace {
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bool is_2_0_session_type(
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const ::android::hardware::bluetooth::audio::V2_1::SessionType&
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session_type) {
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if (session_type == SessionType_2_1::A2DP_SOFTWARE_ENCODING_DATAPATH ||
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session_type == SessionType_2_1::A2DP_HARDWARE_OFFLOAD_DATAPATH ||
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session_type == SessionType_2_1::HEARING_AID_SOFTWARE_ENCODING_DATAPATH) {
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return true;
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} else {
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return false;
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}
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}
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} // namespace
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static const ::android::hardware::bluetooth::audio::V2_1::PcmParameters
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kDefaultSoftwarePcmCapabilities_2_1 = {
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.sampleRate = static_cast<SampleRate_2_1>(
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SampleRate_2_1::RATE_44100 | SampleRate_2_1::RATE_48000 |
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SampleRate_2_1::RATE_88200 | SampleRate_2_1::RATE_96000 |
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SampleRate_2_1::RATE_16000 | SampleRate_2_1::RATE_24000),
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.channelMode =
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static_cast<ChannelMode>(ChannelMode::MONO | ChannelMode::STEREO),
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.bitsPerSample = static_cast<BitsPerSample>(BitsPerSample::BITS_16 |
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BitsPerSample::BITS_24 |
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BitsPerSample::BITS_32)};
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std::vector<::android::hardware::bluetooth::audio::V2_1::PcmParameters>
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GetSoftwarePcmCapabilities_2_1() {
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return std::vector<
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::android::hardware::bluetooth::audio::V2_1::PcmParameters>(
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1, kDefaultSoftwarePcmCapabilities_2_1);
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}
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std::vector<CodecCapabilities> GetOffloadCodecCapabilities(
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const ::android::hardware::bluetooth::audio::V2_1::SessionType&
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session_type) {
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if (is_2_0_session_type(session_type)) {
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return GetOffloadCodecCapabilities(
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static_cast<SessionType_2_0>(session_type));
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}
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return std::vector<CodecCapabilities>(0);
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}
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bool IsSoftwarePcmConfigurationValid_2_1(
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const ::android::hardware::bluetooth::audio::V2_1::PcmParameters&
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pcm_config) {
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if ((pcm_config.sampleRate != SampleRate_2_1::RATE_44100 &&
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pcm_config.sampleRate != SampleRate_2_1::RATE_48000 &&
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pcm_config.sampleRate != SampleRate_2_1::RATE_88200 &&
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pcm_config.sampleRate != SampleRate_2_1::RATE_96000 &&
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pcm_config.sampleRate != SampleRate_2_1::RATE_16000 &&
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pcm_config.sampleRate != SampleRate_2_1::RATE_24000) ||
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(pcm_config.bitsPerSample != BitsPerSample::BITS_16 &&
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pcm_config.bitsPerSample != BitsPerSample::BITS_24 &&
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pcm_config.bitsPerSample != BitsPerSample::BITS_32) ||
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(pcm_config.channelMode != ChannelMode::MONO &&
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pcm_config.channelMode != ChannelMode::STEREO)) {
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LOG(WARNING) << __func__
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<< ": Invalid PCM Configuration=" << toString(pcm_config);
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return false;
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} else if (pcm_config.sampleRate &
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kDefaultSoftwarePcmCapabilities_2_1.sampleRate &&
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pcm_config.bitsPerSample &
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kDefaultSoftwarePcmCapabilities_2_1.bitsPerSample &&
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pcm_config.channelMode &
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kDefaultSoftwarePcmCapabilities_2_1.channelMode &&
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pcm_config.dataIntervalUs != 0) {
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return true;
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}
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LOG(WARNING) << __func__
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<< ": Unsupported PCM Configuration=" << toString(pcm_config);
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return false;
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}
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bool IsOffloadCodecConfigurationValid(
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const ::android::hardware::bluetooth::audio::V2_1::SessionType&
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session_type,
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const ::android::hardware::bluetooth::audio::V2_0::CodecConfiguration&
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codec_config) {
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if (is_2_0_session_type(session_type)) {
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return IsOffloadCodecConfigurationValid(
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static_cast<SessionType_2_0>(session_type), codec_config);
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}
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return false;
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}
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bool IsOffloadLeAudioConfigurationValid(
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const ::android::hardware::bluetooth::audio::V2_1::SessionType&
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session_type,
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const ::android::hardware::bluetooth::audio::V2_1::Lc3CodecConfiguration&) {
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if (session_type != SessionType_2_1::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH &&
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session_type != SessionType_2_1::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH) {
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return false;
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}
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//TODO: perform checks on le_audio_codec_config once we know supported parameters
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return true;
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}
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} // namespace audio
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} // namespace bluetooth
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} // namespace android
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