mirror of
https://github.com/Evolution-X/hardware_interfaces
synced 2026-02-01 22:04:26 +00:00
Default implementation of getLeAudioAseConfiguration
for LE Audio Offload provider Bug: 306225778 Test: mmm hardware/interfaces/bluetooth/audio/aidl/default Change-Id: Ic09a1cbd8c85aa33375e8e1521ec03964117ac3a
This commit is contained in:
Bao Do
@@ -28,6 +28,60 @@ namespace hardware {
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namespace bluetooth {
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namespace audio {
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constexpr uint8_t kLeAudioDirectionSink = 0x01;
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constexpr uint8_t kLeAudioDirectionSource = 0x02;
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const std::map<CodecSpecificConfigurationLtv::SamplingFrequency, uint32_t>
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freq_to_support_bitmask_map = {
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{CodecSpecificConfigurationLtv::SamplingFrequency::HZ8000,
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CodecSpecificCapabilitiesLtv::SupportedSamplingFrequencies::HZ8000},
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{CodecSpecificConfigurationLtv::SamplingFrequency::HZ11025,
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CodecSpecificCapabilitiesLtv::SupportedSamplingFrequencies::HZ11025},
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{CodecSpecificConfigurationLtv::SamplingFrequency::HZ16000,
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CodecSpecificCapabilitiesLtv::SupportedSamplingFrequencies::HZ16000},
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{CodecSpecificConfigurationLtv::SamplingFrequency::HZ22050,
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CodecSpecificCapabilitiesLtv::SupportedSamplingFrequencies::HZ22050},
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{CodecSpecificConfigurationLtv::SamplingFrequency::HZ24000,
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CodecSpecificCapabilitiesLtv::SupportedSamplingFrequencies::HZ24000},
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{CodecSpecificConfigurationLtv::SamplingFrequency::HZ32000,
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CodecSpecificCapabilitiesLtv::SupportedSamplingFrequencies::HZ32000},
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{CodecSpecificConfigurationLtv::SamplingFrequency::HZ48000,
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CodecSpecificCapabilitiesLtv::SupportedSamplingFrequencies::HZ48000},
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{CodecSpecificConfigurationLtv::SamplingFrequency::HZ88200,
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CodecSpecificCapabilitiesLtv::SupportedSamplingFrequencies::HZ88200},
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{CodecSpecificConfigurationLtv::SamplingFrequency::HZ96000,
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CodecSpecificCapabilitiesLtv::SupportedSamplingFrequencies::HZ96000},
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{CodecSpecificConfigurationLtv::SamplingFrequency::HZ176400,
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CodecSpecificCapabilitiesLtv::SupportedSamplingFrequencies::HZ176400},
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{CodecSpecificConfigurationLtv::SamplingFrequency::HZ192000,
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CodecSpecificCapabilitiesLtv::SupportedSamplingFrequencies::HZ192000},
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{CodecSpecificConfigurationLtv::SamplingFrequency::HZ384000,
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CodecSpecificCapabilitiesLtv::SupportedSamplingFrequencies::HZ384000},
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};
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// Helper map from capability's tag to configuration's tag
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std::map<CodecSpecificCapabilitiesLtv::Tag, CodecSpecificConfigurationLtv::Tag>
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cap_to_cfg_tag_map = {
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{CodecSpecificCapabilitiesLtv::Tag::supportedSamplingFrequencies,
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CodecSpecificConfigurationLtv::Tag::samplingFrequency},
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{CodecSpecificCapabilitiesLtv::Tag::supportedMaxCodecFramesPerSDU,
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CodecSpecificConfigurationLtv::Tag::codecFrameBlocksPerSDU},
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{CodecSpecificCapabilitiesLtv::Tag::supportedFrameDurations,
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CodecSpecificConfigurationLtv::Tag::frameDuration},
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{CodecSpecificCapabilitiesLtv::Tag::supportedAudioChannelCounts,
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CodecSpecificConfigurationLtv::Tag::audioChannelAllocation},
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{CodecSpecificCapabilitiesLtv::Tag::supportedOctetsPerCodecFrame,
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CodecSpecificConfigurationLtv::Tag::octetsPerCodecFrame},
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};
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const std::map<CodecSpecificConfigurationLtv::FrameDuration, uint32_t>
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fduration_to_support_fduration_map = {
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{CodecSpecificConfigurationLtv::FrameDuration::US7500,
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CodecSpecificCapabilitiesLtv::SupportedFrameDurations::US7500},
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{CodecSpecificConfigurationLtv::FrameDuration::US10000,
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CodecSpecificCapabilitiesLtv::SupportedFrameDurations::US10000},
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};
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LeAudioOffloadOutputAudioProvider::LeAudioOffloadOutputAudioProvider()
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: LeAudioOffloadAudioProvider() {
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session_type_ = SessionType::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH;
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@@ -87,6 +141,310 @@ ndk::ScopedAStatus LeAudioOffloadAudioProvider::setCodecPriority(
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return ndk::ScopedAStatus::ok();
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};
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bool LeAudioOffloadAudioProvider::isMatchedValidCodec(CodecId cfg_codec,
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CodecId req_codec) {
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auto priority = codec_priority_map_.find(cfg_codec);
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if (priority != codec_priority_map_.end() && priority->second == -1)
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return false;
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return cfg_codec == req_codec;
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}
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bool LeAudioOffloadAudioProvider::isCapabilitiesMatchedContext(
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AudioContext setting_context,
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const IBluetoothAudioProvider::LeAudioDeviceCapabilities& capabilities) {
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// If has no metadata, assume match
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if (!capabilities.metadata.has_value()) return true;
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for (auto metadata : capabilities.metadata.value()) {
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if (!metadata.has_value()) continue;
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if (metadata.value().getTag() == MetadataLtv::Tag::preferredAudioContexts) {
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// Check all pref audio context to see if anything matched
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auto& context = metadata.value()
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.get<MetadataLtv::Tag::preferredAudioContexts>()
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.values;
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if (setting_context.bitmask & context.bitmask) return true;
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}
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}
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return false;
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}
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bool LeAudioOffloadAudioProvider::isMatchedSamplingFreq(
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CodecSpecificConfigurationLtv::SamplingFrequency& cfg_freq,
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CodecSpecificCapabilitiesLtv::SupportedSamplingFrequencies&
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capability_freq) {
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for (auto [freq, bitmask] : freq_to_support_bitmask_map)
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if (cfg_freq == freq) return (capability_freq.bitmask & bitmask);
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return false;
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}
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bool LeAudioOffloadAudioProvider::isMatchedFrameDuration(
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CodecSpecificConfigurationLtv::FrameDuration& cfg_fduration,
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CodecSpecificCapabilitiesLtv::SupportedFrameDurations&
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capability_fduration) {
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for (auto [fduration, bitmask] : fduration_to_support_fduration_map)
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if (cfg_fduration == fduration)
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return (capability_fduration.bitmask & bitmask);
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return false;
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}
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bool LeAudioOffloadAudioProvider::isMatchedAudioChannel(
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CodecSpecificConfigurationLtv::AudioChannelAllocation&
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/*cfg_channel*/,
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CodecSpecificCapabilitiesLtv::SupportedAudioChannelCounts&
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/*capability_channel*/) {
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bool isMatched = true;
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// TODO: how to match?
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return isMatched;
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}
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bool LeAudioOffloadAudioProvider::isMatchedCodecFramesPerSDU(
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CodecSpecificConfigurationLtv::CodecFrameBlocksPerSDU& cfg_frame_sdu,
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CodecSpecificCapabilitiesLtv::SupportedMaxCodecFramesPerSDU&
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capability_frame_sdu) {
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return cfg_frame_sdu.value <= capability_frame_sdu.value;
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}
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bool LeAudioOffloadAudioProvider::isMatchedOctetsPerCodecFrame(
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CodecSpecificConfigurationLtv::OctetsPerCodecFrame& cfg_octets,
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CodecSpecificCapabilitiesLtv::SupportedOctetsPerCodecFrame&
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capability_octets) {
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return cfg_octets.value >= capability_octets.minimum &&
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cfg_octets.value <= capability_octets.maximum;
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}
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bool LeAudioOffloadAudioProvider::isCapabilitiesMatchedCodecConfiguration(
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std::vector<CodecSpecificConfigurationLtv>& codec_cfg,
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std::vector<CodecSpecificCapabilitiesLtv> codec_capabilities) {
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// Convert all codec_cfg into a map of tags -> correct data
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std::map<CodecSpecificConfigurationLtv::Tag, CodecSpecificConfigurationLtv>
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cfg_tag_map;
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for (auto codec_cfg_data : codec_cfg)
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cfg_tag_map[codec_cfg_data.getTag()] = codec_cfg_data;
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for (auto& codec_capability : codec_capabilities) {
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auto cfg = cfg_tag_map.find(cap_to_cfg_tag_map[codec_capability.getTag()]);
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// Cannot find tag for the capability:
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if (cfg == cfg_tag_map.end()) return false;
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// Matching logic for sampling frequency
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if (codec_capability.getTag() ==
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CodecSpecificCapabilitiesLtv::Tag::supportedSamplingFrequencies) {
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if (!isMatchedSamplingFreq(
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cfg->second
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.get<CodecSpecificConfigurationLtv::Tag::samplingFrequency>(),
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codec_capability.get<CodecSpecificCapabilitiesLtv::Tag::
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supportedSamplingFrequencies>()))
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return false;
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} else if (codec_capability.getTag() ==
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CodecSpecificCapabilitiesLtv::Tag::supportedFrameDurations) {
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if (!isMatchedFrameDuration(
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cfg->second
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.get<CodecSpecificConfigurationLtv::Tag::frameDuration>(),
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codec_capability.get<CodecSpecificCapabilitiesLtv::Tag::
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supportedFrameDurations>()))
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return false;
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} else if (codec_capability.getTag() ==
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CodecSpecificCapabilitiesLtv::Tag::supportedAudioChannelCounts) {
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if (!isMatchedAudioChannel(
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cfg->second.get<
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CodecSpecificConfigurationLtv::Tag::audioChannelAllocation>(),
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codec_capability.get<CodecSpecificCapabilitiesLtv::Tag::
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supportedAudioChannelCounts>()))
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return false;
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} else if (codec_capability.getTag() == CodecSpecificCapabilitiesLtv::Tag::
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supportedMaxCodecFramesPerSDU) {
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if (!isMatchedCodecFramesPerSDU(
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cfg->second.get<
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CodecSpecificConfigurationLtv::Tag::codecFrameBlocksPerSDU>(),
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codec_capability.get<CodecSpecificCapabilitiesLtv::Tag::
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supportedMaxCodecFramesPerSDU>()))
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return false;
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} else if (codec_capability.getTag() == CodecSpecificCapabilitiesLtv::Tag::
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supportedOctetsPerCodecFrame) {
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if (!isMatchedOctetsPerCodecFrame(
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cfg->second.get<
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CodecSpecificConfigurationLtv::Tag::octetsPerCodecFrame>(),
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codec_capability.get<CodecSpecificCapabilitiesLtv::Tag::
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supportedOctetsPerCodecFrame>()))
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return false;
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}
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}
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return true;
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}
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bool LeAudioOffloadAudioProvider::isMatchedAseConfiguration(
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LeAudioAseConfiguration setting_cfg,
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LeAudioAseConfiguration requirement_cfg) {
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// Check matching for codec configuration <=> requirement ASE codec
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// Also match if no CodecId requirement
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if (requirement_cfg.codecId.has_value()) {
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if (!setting_cfg.codecId.has_value()) return false;
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if (!isMatchedValidCodec(setting_cfg.codecId.value(),
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requirement_cfg.codecId.value()))
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return false;
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}
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if (setting_cfg.targetLatency != requirement_cfg.targetLatency) return false;
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// Ignore PHY requirement
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// Check all codec configuration
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std::map<CodecSpecificConfigurationLtv::Tag, CodecSpecificConfigurationLtv>
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cfg_tag_map;
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for (auto cfg : setting_cfg.codecConfiguration)
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cfg_tag_map[cfg.getTag()] = cfg;
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for (auto requirement_cfg : requirement_cfg.codecConfiguration) {
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// Directly compare CodecSpecificConfigurationLtv
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auto cfg = cfg_tag_map.find(requirement_cfg.getTag());
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if (cfg == cfg_tag_map.end()) return false;
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if (cfg->second != requirement_cfg) return false;
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}
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// Ignore vendor configuration and metadata requirement
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return true;
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}
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void LeAudioOffloadAudioProvider::filterCapabilitiesAseDirectionConfiguration(
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std::vector<std::optional<AseDirectionConfiguration>>&
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direction_configurations,
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const IBluetoothAudioProvider::LeAudioDeviceCapabilities& capabilities,
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std::vector<std::optional<AseDirectionConfiguration>>&
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valid_direction_configurations) {
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for (auto direction_configuration : direction_configurations) {
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if (!direction_configuration.has_value()) continue;
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if (!direction_configuration.value().aseConfiguration.codecId.has_value())
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continue;
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if (!isMatchedValidCodec(
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direction_configuration.value().aseConfiguration.codecId.value(),
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capabilities.codecId))
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continue;
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// Check matching for codec configuration <=> codec capabilities
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if (!isCapabilitiesMatchedCodecConfiguration(
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direction_configuration.value().aseConfiguration.codecConfiguration,
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capabilities.codecSpecificCapabilities))
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continue;
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valid_direction_configurations.push_back(direction_configuration);
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}
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}
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void LeAudioOffloadAudioProvider::filterRequirementAseDirectionConfiguration(
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std::vector<std::optional<AseDirectionConfiguration>>&
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direction_configurations,
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const std::optional<std::vector<std::optional<AseDirectionRequirement>>>&
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requirements,
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std::vector<std::optional<AseDirectionConfiguration>>&
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valid_direction_configurations) {
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for (auto direction_configuration : direction_configurations) {
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if (!requirements.has_value()) {
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// If there's no requirement, all are valid
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valid_direction_configurations.push_back(direction_configuration);
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continue;
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}
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if (!direction_configuration.has_value()) continue;
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for (auto& requirement : requirements.value()) {
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if (!requirement.has_value()) continue;
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if (!isMatchedAseConfiguration(
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direction_configuration.value().aseConfiguration,
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requirement.value().aseConfiguration))
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continue;
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// Valid if match any requirement.
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valid_direction_configurations.push_back(direction_configuration);
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break;
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}
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}
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}
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/* Get a new LeAudioAseConfigurationSetting by matching a setting with a
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* capabilities. The new setting will have a filtered list of
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* AseDirectionConfiguration that matched the capabilities */
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std::optional<LeAudioAseConfigurationSetting>
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LeAudioOffloadAudioProvider::getCapabilitiesMatchedAseConfigurationSettings(
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IBluetoothAudioProvider::LeAudioAseConfigurationSetting& setting,
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const IBluetoothAudioProvider::LeAudioDeviceCapabilities& capabilities,
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uint8_t direction) {
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// Try to match context in metadata.
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if (!isCapabilitiesMatchedContext(setting.audioContext, capabilities))
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return std::nullopt;
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// Get a list of all matched AseDirectionConfiguration
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// for the input direction
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std::vector<std::optional<AseDirectionConfiguration>>*
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direction_configuration = nullptr;
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if (direction == kLeAudioDirectionSink) {
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if (!setting.sinkAseConfiguration.has_value()) return std::nullopt;
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direction_configuration = &setting.sinkAseConfiguration.value();
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} else {
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if (!setting.sourceAseConfiguration.has_value()) return std::nullopt;
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direction_configuration = &setting.sourceAseConfiguration.value();
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}
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std::vector<std::optional<AseDirectionConfiguration>>
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valid_direction_configuration;
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filterCapabilitiesAseDirectionConfiguration(
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*direction_configuration, capabilities, valid_direction_configuration);
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if (valid_direction_configuration.empty()) return std::nullopt;
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// Create a new LeAudioAseConfigurationSetting and return
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LeAudioAseConfigurationSetting filtered_setting;
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filtered_setting.audioContext = setting.audioContext;
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filtered_setting.packing = setting.packing;
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if (direction == kLeAudioDirectionSink) {
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filtered_setting.sinkAseConfiguration = valid_direction_configuration;
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} else {
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filtered_setting.sourceAseConfiguration = valid_direction_configuration;
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}
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filtered_setting.flags = setting.flags;
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return filtered_setting;
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}
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/* Get a new LeAudioAseConfigurationSetting by matching a setting with a
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* requirement. The new setting will have a filtered list of
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* AseDirectionConfiguration that matched the requirement */
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std::optional<LeAudioAseConfigurationSetting>
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LeAudioOffloadAudioProvider::getRequirementMatchedAseConfigurationSettings(
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IBluetoothAudioProvider::LeAudioAseConfigurationSetting& setting,
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const IBluetoothAudioProvider::LeAudioConfigurationRequirement&
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requirement) {
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// Try to match context in metadata.
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if (setting.audioContext != requirement.audioContext) return std::nullopt;
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// Check requirement for the correct direction
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const std::optional<std::vector<std::optional<AseDirectionRequirement>>>*
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direction_requirement;
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std::vector<std::optional<AseDirectionConfiguration>>*
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direction_configuration;
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if (setting.sinkAseConfiguration.has_value()) {
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direction_configuration = &setting.sinkAseConfiguration.value();
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direction_requirement = &requirement.sinkAseRequirement;
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} else {
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direction_configuration = &setting.sourceAseConfiguration.value();
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direction_requirement = &requirement.sourceAseRequirement;
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}
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std::vector<std::optional<AseDirectionConfiguration>>
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valid_direction_configuration;
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filterRequirementAseDirectionConfiguration(*direction_configuration,
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*direction_requirement,
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valid_direction_configuration);
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if (valid_direction_configuration.empty()) return std::nullopt;
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// Create a new LeAudioAseConfigurationSetting and return
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LeAudioAseConfigurationSetting filtered_setting;
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filtered_setting.audioContext = setting.audioContext;
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filtered_setting.packing = setting.packing;
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if (setting.sinkAseConfiguration.has_value())
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filtered_setting.sinkAseConfiguration = valid_direction_configuration;
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else
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filtered_setting.sourceAseConfiguration = valid_direction_configuration;
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filtered_setting.flags = setting.flags;
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return filtered_setting;
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}
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ndk::ScopedAStatus LeAudioOffloadAudioProvider::getLeAudioAseConfiguration(
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const std::optional<std::vector<
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std::optional<IBluetoothAudioProvider::LeAudioDeviceCapabilities>>>&
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@@ -98,12 +456,55 @@ ndk::ScopedAStatus LeAudioOffloadAudioProvider::getLeAudioAseConfiguration(
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in_requirements,
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std::vector<IBluetoothAudioProvider::LeAudioAseConfigurationSetting>*
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_aidl_return) {
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/* TODO: Implement */
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(void)in_remoteSinkAudioCapabilities;
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(void)in_remoteSourceAudioCapabilities;
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(void)in_requirements;
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(void)_aidl_return;
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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// Get all configuration settings
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std::vector<IBluetoothAudioProvider::LeAudioAseConfigurationSetting>
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ase_configuration_settings =
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BluetoothAudioCodecs::GetLeAudioAseConfigurationSettings();
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// Currently won't handle case where both sink and source capabilities
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// are passed in. Only handle one of them.
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const std::optional<std::vector<
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std::optional<IBluetoothAudioProvider::LeAudioDeviceCapabilities>>>*
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in_remoteAudioCapabilities;
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uint8_t direction = 0;
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if (in_remoteSinkAudioCapabilities.has_value()) {
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direction = kLeAudioDirectionSink;
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in_remoteAudioCapabilities = &in_remoteSinkAudioCapabilities;
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} else {
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direction = kLeAudioDirectionSource;
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in_remoteAudioCapabilities = &in_remoteSourceAudioCapabilities;
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}
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std::vector<IBluetoothAudioProvider::LeAudioAseConfigurationSetting>
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capability_matched_ase_configuration_settings;
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// Matching with remote capabilities
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for (auto& setting : ase_configuration_settings) {
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for (auto& capability : in_remoteAudioCapabilities->value()) {
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if (!capability.has_value()) continue;
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auto filtered_ase_configuration_setting =
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getCapabilitiesMatchedAseConfigurationSettings(
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setting, capability.value(), direction);
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if (filtered_ase_configuration_setting.has_value()) {
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capability_matched_ase_configuration_settings.push_back(
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filtered_ase_configuration_setting.value());
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}
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}
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}
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// Matching with requirements
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std::vector<IBluetoothAudioProvider::LeAudioAseConfigurationSetting> result;
|
||||
for (auto& setting : capability_matched_ase_configuration_settings) {
|
||||
for (auto& requirement : in_requirements) {
|
||||
auto filtered_ase_configuration_setting =
|
||||
getRequirementMatchedAseConfigurationSettings(setting, requirement);
|
||||
if (filtered_ase_configuration_setting.has_value()) {
|
||||
result.push_back(filtered_ase_configuration_setting.value());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
*_aidl_return = result;
|
||||
return ndk::ScopedAStatus::ok();
|
||||
};
|
||||
|
||||
ndk::ScopedAStatus LeAudioOffloadAudioProvider::getLeAudioAseQosConfiguration(
|
||||
|
||||
@@ -87,7 +87,7 @@ class LeAudioOffloadAudioProvider : public BluetoothAudioProvider {
|
||||
|
||||
// Private matching function definitions
|
||||
bool isMatchedValidCodec(CodecId cfg_codec, CodecId req_codec);
|
||||
bool isMatchedContext(
|
||||
bool isCapabilitiesMatchedContext(
|
||||
AudioContext setting_context,
|
||||
const IBluetoothAudioProvider::LeAudioDeviceCapabilities& capabilities);
|
||||
bool isMatchedSamplingFreq(
|
||||
@@ -113,9 +113,8 @@ class LeAudioOffloadAudioProvider : public BluetoothAudioProvider {
|
||||
bool isCapabilitiesMatchedCodecConfiguration(
|
||||
std::vector<CodecSpecificConfigurationLtv>& codec_cfg,
|
||||
std::vector<CodecSpecificCapabilitiesLtv> codec_capabilities);
|
||||
bool isRequirementAseConfigurationMatched(
|
||||
LeAudioAseConfiguration setting_cfg,
|
||||
LeAudioAseConfiguration requirement_cfg);
|
||||
bool isMatchedAseConfiguration(LeAudioAseConfiguration setting_cfg,
|
||||
LeAudioAseConfiguration requirement_cfg);
|
||||
void filterCapabilitiesAseDirectionConfiguration(
|
||||
std::vector<std::optional<AseDirectionConfiguration>>&
|
||||
direction_configurations,
|
||||
|
||||
Reference in New Issue
Block a user