diff options
Diffstat (limited to 'bluetooth/audio/utils/session/BluetoothAudioSupportedCodecsDB_2_2.cpp')
| -rw-r--r-- | bluetooth/audio/utils/session/BluetoothAudioSupportedCodecsDB_2_2.cpp | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/bluetooth/audio/utils/session/BluetoothAudioSupportedCodecsDB_2_2.cpp b/bluetooth/audio/utils/session/BluetoothAudioSupportedCodecsDB_2_2.cpp deleted file mode 100644 index decff7046f..0000000000 --- a/bluetooth/audio/utils/session/BluetoothAudioSupportedCodecsDB_2_2.cpp +++ /dev/null @@ -1,161 +0,0 @@ -/* - * Copyright 2021 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 "BTAudioProviderSessionCodecsDB_2_2" - -#include "BluetoothAudioSupportedCodecsDB_2_2.h" - -#include <android-base/logging.h> - -namespace android { -namespace bluetooth { -namespace audio { - -using ::android::hardware::bluetooth::audio::V2_0::BitsPerSample; -using ::android::hardware::bluetooth::audio::V2_1::CodecType; -using ::android::hardware::bluetooth::audio::V2_1::Lc3FrameDuration; -using ::android::hardware::bluetooth::audio::V2_1::Lc3Parameters; -using ::android::hardware::bluetooth::audio::V2_1::SampleRate; -using ::android::hardware::bluetooth::audio::V2_2::AudioLocation; -using ::android::hardware::bluetooth::audio::V2_2::BroadcastCapability; -using ::android::hardware::bluetooth::audio::V2_2:: - LeAudioCodecCapabilitiesSetting; -using ::android::hardware::bluetooth::audio::V2_2::UnicastCapability; -using SessionType_2_1 = - ::android::hardware::bluetooth::audio::V2_1::SessionType; - -// Stores the list of offload supported capability -std::vector<LeAudioCodecCapabilitiesSetting> kDefaultOffloadLeAudioCapabilities; - -static const UnicastCapability kInvalidUnicastCapability = { - .codecType = CodecType::UNKNOWN}; - -static const BroadcastCapability kInvalidBroadcastCapability = { - .codecType = CodecType::UNKNOWN}; - -// Default Supported Codecs -// LC3 16_1: sample rate: 16 kHz, frame duration: 7.5 ms, octets per frame: 30 -static const Lc3Parameters kLc3Capability_16_1 = { - .samplingFrequency = SampleRate::RATE_16000, - .frameDuration = Lc3FrameDuration::DURATION_7500US, - .octetsPerFrame = 30}; - -// Default Supported Codecs -// LC3 16_2: sample rate: 16 kHz, frame duration: 10 ms, octets per frame: 40 -static const Lc3Parameters kLc3Capability_16_2 = { - .samplingFrequency = SampleRate::RATE_16000, - .frameDuration = Lc3FrameDuration::DURATION_10000US, - .octetsPerFrame = 40}; - -// Default Supported Codecs -// LC3 48_4: sample rate: 48 kHz, frame duration: 10 ms, octets per frame: 120 -static const Lc3Parameters kLc3Capability_48_4 = { - .samplingFrequency = SampleRate::RATE_48000, - .frameDuration = Lc3FrameDuration::DURATION_10000US, - .octetsPerFrame = 120}; - -static const std::vector<Lc3Parameters> supportedLc3CapabilityList = { - kLc3Capability_48_4, kLc3Capability_16_2, kLc3Capability_16_1}; - -static AudioLocation stereoAudio = static_cast<AudioLocation>( - AudioLocation::FRONT_LEFT | AudioLocation::FRONT_RIGHT); -static AudioLocation monoAudio = AudioLocation::UNKNOWN; - -// Stores the supported setting of audio location, connected device, and the -// channel count for each device -std::vector<std::tuple<AudioLocation, uint8_t, uint8_t>> - supportedDeviceSetting = { - // Stereo, two connected device, one for L one for R - std::make_tuple(stereoAudio, 2, 1), - // Stereo, one connected device for both L and R - std::make_tuple(stereoAudio, 1, 2), - // Mono - std::make_tuple(monoAudio, 1, 1)}; - -bool IsOffloadLeAudioConfigurationValid( - const ::android::hardware::bluetooth::audio::V2_1::SessionType& - session_type, - const ::android::hardware::bluetooth::audio::V2_2::LeAudioConfiguration&) { - if (session_type != - SessionType_2_1::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH && - session_type != - SessionType_2_1::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH) { - return false; - } - - // TODO: perform checks on le_audio_codec_config once we know supported - // parameters - - return true; -} - -UnicastCapability composeUnicastLc3Capability(AudioLocation audioLocation, - uint8_t deviceCnt, - uint8_t channelCount, - Lc3Parameters capability) { - return UnicastCapability{.codecType = CodecType::LC3, - .supportedChannel = audioLocation, - .deviceCount = deviceCnt, - .channelCountPerDevice = channelCount, - .capabilities = capability}; -} - -std::vector<LeAudioCodecCapabilitiesSetting> GetLeAudioOffloadCodecCapabilities( - const SessionType_2_1& session_type) { - if (session_type != - SessionType_2_1::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH && - session_type != - SessionType_2_1::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH) { - return std::vector<LeAudioCodecCapabilitiesSetting>(0); - } - - if (kDefaultOffloadLeAudioCapabilities.empty()) { - for (auto [audioLocation, deviceCnt, channelCount] : - supportedDeviceSetting) { - for (auto capability : supportedLc3CapabilityList) { - UnicastCapability lc3Capability = composeUnicastLc3Capability( - audioLocation, deviceCnt, channelCount, capability); - UnicastCapability lc3MonoDecodeCapability = - composeUnicastLc3Capability(monoAudio, 1, 1, capability); - - // Adds the capability for encode only - kDefaultOffloadLeAudioCapabilities.push_back( - {.unicastEncodeCapability = lc3Capability, - .unicastDecodeCapability = kInvalidUnicastCapability, - .broadcastCapability = kInvalidBroadcastCapability}); - - // Adds the capability for decode only - kDefaultOffloadLeAudioCapabilities.push_back( - {.unicastEncodeCapability = kInvalidUnicastCapability, - .unicastDecodeCapability = lc3Capability, - .broadcastCapability = kInvalidBroadcastCapability}); - - // Adds the capability for the case that encode and decode exist at the - // same time - kDefaultOffloadLeAudioCapabilities.push_back( - {.unicastEncodeCapability = lc3Capability, - .unicastDecodeCapability = lc3MonoDecodeCapability, - .broadcastCapability = kInvalidBroadcastCapability}); - } - } - } - - return kDefaultOffloadLeAudioCapabilities; -} - -} // namespace audio -} // namespace bluetooth -} // namespace android |