416 lines
17 KiB
C++
416 lines
17 KiB
C++
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/*
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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"
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#include "BluetoothAudioSupportedCodecsDB.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::AacObjectType;
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using ::android::hardware::bluetooth::audio::V2_0::AacParameters;
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using ::android::hardware::bluetooth::audio::V2_0::AacVariableBitRate;
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using ::android::hardware::bluetooth::audio::V2_0::AptxParameters;
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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 ::android::hardware::bluetooth::audio::V2_0::CodecType;
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using ::android::hardware::bluetooth::audio::V2_0::LdacChannelMode;
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using ::android::hardware::bluetooth::audio::V2_0::LdacParameters;
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using ::android::hardware::bluetooth::audio::V2_0::LdacQualityIndex;
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using ::android::hardware::bluetooth::audio::V2_0::SampleRate;
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using ::android::hardware::bluetooth::audio::V2_0::SbcAllocMethod;
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using ::android::hardware::bluetooth::audio::V2_0::SbcBlockLength;
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using ::android::hardware::bluetooth::audio::V2_0::SbcChannelMode;
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using ::android::hardware::bluetooth::audio::V2_0::SbcNumSubbands;
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using ::android::hardware::bluetooth::audio::V2_0::SbcParameters;
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// Default Supported PCM Parameters
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static const PcmParameters kDefaultSoftwarePcmCapabilities = {
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.sampleRate = static_cast<SampleRate>(
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SampleRate::RATE_44100 | SampleRate::RATE_48000 |
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SampleRate::RATE_88200 | SampleRate::RATE_96000 |
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SampleRate::RATE_16000 | SampleRate::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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// Default Supported Codecs
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// SBC: mSampleRate:(44100), mBitsPerSample:(16), mChannelMode:(MONO|STEREO)
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// all blocks | subbands 8 | Loudness
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static const SbcParameters kDefaultOffloadSbcCapability = {
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.sampleRate = SampleRate::RATE_44100,
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.channelMode = static_cast<SbcChannelMode>(SbcChannelMode::MONO |
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SbcChannelMode::JOINT_STEREO),
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.blockLength = static_cast<SbcBlockLength>(
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SbcBlockLength::BLOCKS_4 | SbcBlockLength::BLOCKS_8 |
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SbcBlockLength::BLOCKS_12 | SbcBlockLength::BLOCKS_16),
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.numSubbands = SbcNumSubbands::SUBBAND_8,
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.allocMethod = SbcAllocMethod::ALLOC_MD_L,
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.bitsPerSample = BitsPerSample::BITS_16,
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.minBitpool = 2,
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.maxBitpool = 53};
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// AAC: mSampleRate:(44100), mBitsPerSample:(16), mChannelMode:(STEREO)
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static const AacParameters kDefaultOffloadAacCapability = {
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.objectType = AacObjectType::MPEG2_LC,
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.sampleRate = SampleRate::RATE_44100,
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.channelMode = ChannelMode::STEREO,
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.variableBitRateEnabled = AacVariableBitRate::ENABLED,
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.bitsPerSample = BitsPerSample::BITS_16};
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// LDAC: mSampleRate:(44100|48000|88200|96000), mBitsPerSample:(16|24|32),
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// mChannelMode:(DUAL|STEREO)
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static const LdacParameters kDefaultOffloadLdacCapability = {
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.sampleRate = static_cast<SampleRate>(
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SampleRate::RATE_44100 | SampleRate::RATE_48000 |
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SampleRate::RATE_88200 | SampleRate::RATE_96000),
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.channelMode = static_cast<LdacChannelMode>(LdacChannelMode::DUAL |
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LdacChannelMode::STEREO),
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.qualityIndex = LdacQualityIndex::QUALITY_HIGH,
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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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// aptX: mSampleRate:(44100|48000), mBitsPerSample:(16), mChannelMode:(STEREO)
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static const AptxParameters kDefaultOffloadAptxCapability = {
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.sampleRate = static_cast<SampleRate>(SampleRate::RATE_44100 |
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SampleRate::RATE_48000),
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.channelMode = ChannelMode::STEREO,
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.bitsPerSample = BitsPerSample::BITS_16,
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};
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// aptX HD: mSampleRate:(44100|48000), mBitsPerSample:(24),
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// mChannelMode:(STEREO)
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static const AptxParameters kDefaultOffloadAptxHdCapability = {
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.sampleRate = static_cast<SampleRate>(SampleRate::RATE_44100 |
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SampleRate::RATE_48000),
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.channelMode = ChannelMode::STEREO,
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.bitsPerSample = BitsPerSample::BITS_24,
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};
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const std::vector<CodecCapabilities> kDefaultOffloadA2dpCodecCapabilities = {
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{.codecType = CodecType::SBC, .capabilities = {}},
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{.codecType = CodecType::AAC, .capabilities = {}},
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{.codecType = CodecType::LDAC, .capabilities = {}},
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{.codecType = CodecType::APTX, .capabilities = {}},
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{.codecType = CodecType::APTX_HD, .capabilities = {}}};
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static bool IsSingleBit(uint32_t bitmasks, uint32_t bitfield) {
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bool single = false;
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uint32_t test_bit = 0x00000001;
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while (test_bit <= bitmasks && test_bit <= bitfield) {
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if (bitfield & test_bit && bitmasks & test_bit) {
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if (single) return false;
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single = true;
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}
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if (test_bit == 0x80000000) break;
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test_bit <<= 1;
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}
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return single;
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}
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static bool IsOffloadSbcConfigurationValid(
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const CodecConfiguration::CodecSpecific& codec_specific);
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static bool IsOffloadAacConfigurationValid(
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const CodecConfiguration::CodecSpecific& codec_specific);
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static bool IsOffloadLdacConfigurationValid(
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const CodecConfiguration::CodecSpecific& codec_specific);
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static bool IsOffloadAptxConfigurationValid(
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const CodecConfiguration::CodecSpecific& codec_specific);
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static bool IsOffloadAptxHdConfigurationValid(
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const CodecConfiguration::CodecSpecific& codec_specific);
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static bool IsOffloadSbcConfigurationValid(
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const CodecConfiguration::CodecSpecific& codec_specific) {
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if (codec_specific.getDiscriminator() !=
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CodecConfiguration::CodecSpecific::hidl_discriminator::sbcConfig) {
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LOG(WARNING) << __func__
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<< ": Invalid CodecSpecific=" << toString(codec_specific);
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return false;
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}
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const SbcParameters sbc_data = codec_specific.sbcConfig();
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if (!IsSingleBit(static_cast<uint32_t>(sbc_data.sampleRate), 0xff) ||
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!IsSingleBit(static_cast<uint32_t>(sbc_data.channelMode), 0x0f) ||
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!IsSingleBit(static_cast<uint32_t>(sbc_data.blockLength), 0xf0) ||
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!IsSingleBit(static_cast<uint32_t>(sbc_data.numSubbands), 0x0c) ||
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!IsSingleBit(static_cast<uint32_t>(sbc_data.allocMethod), 0x03) ||
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!IsSingleBit(static_cast<uint32_t>(sbc_data.bitsPerSample), 0x07) ||
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sbc_data.minBitpool > sbc_data.maxBitpool) {
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LOG(WARNING) << __func__
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<< ": Invalid CodecSpecific=" << toString(codec_specific);
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return false;
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} else if ((sbc_data.sampleRate & kDefaultOffloadSbcCapability.sampleRate) &&
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(sbc_data.channelMode &
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kDefaultOffloadSbcCapability.channelMode) &&
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(sbc_data.blockLength &
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kDefaultOffloadSbcCapability.blockLength) &&
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(sbc_data.numSubbands &
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kDefaultOffloadSbcCapability.numSubbands) &&
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(sbc_data.allocMethod &
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kDefaultOffloadSbcCapability.allocMethod) &&
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(sbc_data.bitsPerSample &
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kDefaultOffloadSbcCapability.bitsPerSample) &&
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(kDefaultOffloadSbcCapability.minBitpool <= sbc_data.minBitpool &&
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sbc_data.maxBitpool <= kDefaultOffloadSbcCapability.maxBitpool)) {
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return true;
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}
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LOG(WARNING) << __func__
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<< ": Unsupported CodecSpecific=" << toString(codec_specific);
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return false;
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}
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static bool IsOffloadAacConfigurationValid(
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const CodecConfiguration::CodecSpecific& codec_specific) {
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if (codec_specific.getDiscriminator() !=
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CodecConfiguration::CodecSpecific::hidl_discriminator::aacConfig) {
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LOG(WARNING) << __func__
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<< ": Invalid CodecSpecific=" << toString(codec_specific);
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return false;
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}
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const AacParameters aac_data = codec_specific.aacConfig();
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if (!IsSingleBit(static_cast<uint32_t>(aac_data.objectType), 0xf0) ||
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!IsSingleBit(static_cast<uint32_t>(aac_data.sampleRate), 0xff) ||
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!IsSingleBit(static_cast<uint32_t>(aac_data.channelMode), 0x03) ||
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!IsSingleBit(static_cast<uint32_t>(aac_data.bitsPerSample), 0x07)) {
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LOG(WARNING) << __func__
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<< ": Invalid CodecSpecific=" << toString(codec_specific);
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return false;
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} else if ((aac_data.objectType & kDefaultOffloadAacCapability.objectType) &&
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(aac_data.sampleRate & kDefaultOffloadAacCapability.sampleRate) &&
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(aac_data.channelMode &
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kDefaultOffloadAacCapability.channelMode) &&
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(aac_data.variableBitRateEnabled == AacVariableBitRate::DISABLED ||
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kDefaultOffloadAacCapability.variableBitRateEnabled ==
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AacVariableBitRate::ENABLED) &&
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(aac_data.bitsPerSample &
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kDefaultOffloadAacCapability.bitsPerSample)) {
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return true;
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}
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LOG(WARNING) << __func__
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<< ": Unsupported CodecSpecific=" << toString(codec_specific);
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return false;
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}
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static bool IsOffloadLdacConfigurationValid(
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const CodecConfiguration::CodecSpecific& codec_specific) {
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if (codec_specific.getDiscriminator() !=
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CodecConfiguration::CodecSpecific::hidl_discriminator::ldacConfig) {
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LOG(WARNING) << __func__
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<< ": Invalid CodecSpecific=" << toString(codec_specific);
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return false;
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}
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const LdacParameters ldac_data = codec_specific.ldacConfig();
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if (!IsSingleBit(static_cast<uint32_t>(ldac_data.sampleRate), 0xff) ||
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!IsSingleBit(static_cast<uint32_t>(ldac_data.channelMode), 0x07) ||
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(ldac_data.qualityIndex > LdacQualityIndex::QUALITY_LOW &&
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ldac_data.qualityIndex != LdacQualityIndex::QUALITY_ABR) ||
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!IsSingleBit(static_cast<uint32_t>(ldac_data.bitsPerSample), 0x07)) {
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LOG(WARNING) << __func__
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<< ": Invalid CodecSpecific=" << toString(codec_specific);
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return false;
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} else if ((ldac_data.sampleRate &
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kDefaultOffloadLdacCapability.sampleRate) &&
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(ldac_data.channelMode &
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kDefaultOffloadLdacCapability.channelMode) &&
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(ldac_data.bitsPerSample &
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kDefaultOffloadLdacCapability.bitsPerSample)) {
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return true;
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}
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LOG(WARNING) << __func__
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<< ": Unsupported CodecSpecific=" << toString(codec_specific);
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return false;
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}
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static bool IsOffloadAptxConfigurationValid(
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const CodecConfiguration::CodecSpecific& codec_specific) {
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if (codec_specific.getDiscriminator() !=
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CodecConfiguration::CodecSpecific::hidl_discriminator::aptxConfig) {
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LOG(WARNING) << __func__
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<< ": Invalid CodecSpecific=" << toString(codec_specific);
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return false;
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}
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const AptxParameters aptx_data = codec_specific.aptxConfig();
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if (!IsSingleBit(static_cast<uint32_t>(aptx_data.sampleRate), 0xff) ||
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!IsSingleBit(static_cast<uint32_t>(aptx_data.channelMode), 0x03) ||
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!IsSingleBit(static_cast<uint32_t>(aptx_data.bitsPerSample), 0x07)) {
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LOG(WARNING) << __func__
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<< ": Invalid CodecSpecific=" << toString(codec_specific);
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return false;
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} else if ((aptx_data.sampleRate &
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kDefaultOffloadAptxCapability.sampleRate) &&
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(aptx_data.channelMode &
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kDefaultOffloadAptxCapability.channelMode) &&
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(aptx_data.bitsPerSample &
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kDefaultOffloadAptxCapability.bitsPerSample)) {
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return true;
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}
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LOG(WARNING) << __func__
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<< ": Unsupported CodecSpecific=" << toString(codec_specific);
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return false;
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}
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static bool IsOffloadAptxHdConfigurationValid(
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const CodecConfiguration::CodecSpecific& codec_specific) {
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if (codec_specific.getDiscriminator() !=
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CodecConfiguration::CodecSpecific::hidl_discriminator::aptxConfig) {
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LOG(WARNING) << __func__
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<< ": Invalid CodecSpecific=" << toString(codec_specific);
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return false;
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}
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const AptxParameters aptx_data = codec_specific.aptxConfig();
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if (!IsSingleBit(static_cast<uint32_t>(aptx_data.sampleRate), 0xff) ||
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!IsSingleBit(static_cast<uint32_t>(aptx_data.channelMode), 0x03) ||
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!IsSingleBit(static_cast<uint32_t>(aptx_data.bitsPerSample), 0x07)) {
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LOG(WARNING) << __func__
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<< ": Invalid CodecSpecific=" << toString(codec_specific);
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return false;
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} else if ((aptx_data.sampleRate &
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kDefaultOffloadAptxHdCapability.sampleRate) &&
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(aptx_data.channelMode &
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kDefaultOffloadAptxHdCapability.channelMode) &&
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(aptx_data.bitsPerSample &
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kDefaultOffloadAptxHdCapability.bitsPerSample)) {
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return true;
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}
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LOG(WARNING) << __func__
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<< ": Unsupported CodecSpecific=" << toString(codec_specific);
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return false;
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}
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std::vector<PcmParameters> GetSoftwarePcmCapabilities() {
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return std::vector<PcmParameters>(1, kDefaultSoftwarePcmCapabilities);
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}
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std::vector<CodecCapabilities> GetOffloadCodecCapabilities(
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const SessionType& session_type) {
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if (session_type != SessionType::A2DP_HARDWARE_OFFLOAD_DATAPATH) {
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return std::vector<CodecCapabilities>(0);
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}
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std::vector<CodecCapabilities> offload_a2dp_codec_capabilities =
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kDefaultOffloadA2dpCodecCapabilities;
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for (auto& codec_capability : offload_a2dp_codec_capabilities) {
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switch (codec_capability.codecType) {
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case CodecType::SBC:
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|
|
codec_capability.capabilities.sbcCapabilities(
|
||
|
|
kDefaultOffloadSbcCapability);
|
||
|
|
break;
|
||
|
|
case CodecType::AAC:
|
||
|
|
codec_capability.capabilities.aacCapabilities(
|
||
|
|
kDefaultOffloadAacCapability);
|
||
|
|
break;
|
||
|
|
case CodecType::LDAC:
|
||
|
|
codec_capability.capabilities.ldacCapabilities(
|
||
|
|
kDefaultOffloadLdacCapability);
|
||
|
|
break;
|
||
|
|
case CodecType::APTX:
|
||
|
|
codec_capability.capabilities.aptxCapabilities(
|
||
|
|
kDefaultOffloadAptxCapability);
|
||
|
|
break;
|
||
|
|
case CodecType::APTX_HD:
|
||
|
|
codec_capability.capabilities.aptxCapabilities(
|
||
|
|
kDefaultOffloadAptxHdCapability);
|
||
|
|
break;
|
||
|
|
case CodecType::UNKNOWN:
|
||
|
|
codec_capability = {};
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return offload_a2dp_codec_capabilities;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool IsSoftwarePcmConfigurationValid(const PcmParameters& pcm_config) {
|
||
|
|
if ((pcm_config.sampleRate != SampleRate::RATE_44100 &&
|
||
|
|
pcm_config.sampleRate != SampleRate::RATE_48000 &&
|
||
|
|
pcm_config.sampleRate != SampleRate::RATE_88200 &&
|
||
|
|
pcm_config.sampleRate != SampleRate::RATE_96000 &&
|
||
|
|
pcm_config.sampleRate != SampleRate::RATE_16000 &&
|
||
|
|
pcm_config.sampleRate != SampleRate::RATE_24000) ||
|
||
|
|
(pcm_config.bitsPerSample != BitsPerSample::BITS_16 &&
|
||
|
|
pcm_config.bitsPerSample != BitsPerSample::BITS_24 &&
|
||
|
|
pcm_config.bitsPerSample != BitsPerSample::BITS_32) ||
|
||
|
|
(pcm_config.channelMode != ChannelMode::MONO &&
|
||
|
|
pcm_config.channelMode != ChannelMode::STEREO)) {
|
||
|
|
LOG(WARNING) << __func__
|
||
|
|
<< ": Invalid PCM Configuration=" << toString(pcm_config);
|
||
|
|
return false;
|
||
|
|
} else if (pcm_config.sampleRate &
|
||
|
|
kDefaultSoftwarePcmCapabilities.sampleRate &&
|
||
|
|
pcm_config.bitsPerSample &
|
||
|
|
kDefaultSoftwarePcmCapabilities.bitsPerSample &&
|
||
|
|
pcm_config.channelMode &
|
||
|
|
kDefaultSoftwarePcmCapabilities.channelMode) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
LOG(WARNING) << __func__
|
||
|
|
<< ": Unsupported PCM Configuration=" << toString(pcm_config);
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool IsOffloadCodecConfigurationValid(const SessionType& session_type,
|
||
|
|
const CodecConfiguration& codec_config) {
|
||
|
|
if (session_type != SessionType::A2DP_HARDWARE_OFFLOAD_DATAPATH) {
|
||
|
|
LOG(ERROR) << __func__
|
||
|
|
<< ": Invalid SessionType=" << toString(session_type);
|
||
|
|
return false;
|
||
|
|
} else if (codec_config.encodedAudioBitrate < 0x00000001 ||
|
||
|
|
0x00ffffff < codec_config.encodedAudioBitrate) {
|
||
|
|
LOG(ERROR) << __func__ << ": Unsupported Codec Configuration="
|
||
|
|
<< toString(codec_config);
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
const CodecConfiguration::CodecSpecific& codec_specific = codec_config.config;
|
||
|
|
switch (codec_config.codecType) {
|
||
|
|
case CodecType::SBC:
|
||
|
|
if (IsOffloadSbcConfigurationValid(codec_specific)) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
case CodecType::AAC:
|
||
|
|
if (IsOffloadAacConfigurationValid(codec_specific)) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
case CodecType::LDAC:
|
||
|
|
if (IsOffloadLdacConfigurationValid(codec_specific)) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
case CodecType::APTX:
|
||
|
|
if (IsOffloadAptxConfigurationValid(codec_specific)) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
case CodecType::APTX_HD:
|
||
|
|
if (IsOffloadAptxHdConfigurationValid(codec_specific)) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
case CodecType::UNKNOWN:
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace audio
|
||
|
|
} // namespace bluetooth
|
||
|
|
} // namespace android
|