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Commit b6680a63 authored by Patrick Chang's avatar Patrick Chang Committed by Gerrit Code Review
Browse files

Merge changes Ia5cc1f03,Iee8b54ad into main 

* changes:
  flags: Add leaudio_set_codec_config_preference
  leaudio: add transition betwen config and capability
parents 0d20fc11 f6dda5b5

flags/leaudio.aconfig

+7 −0
Original line number Diff line number Diff line
@@ -384,3 +384,10 @@ flag { 
        purpose: PURPOSE_BUGFIX

    }

}



flag {

    name: "leaudio_set_codec_config_preference"

    namespace: "bluetooth"

    description: "New apis to set codec config preference"

    bug: "353909820"

}

system/bta/le_audio/le_audio_types.h

+33 −1
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ 
#include <bluetooth/log.h>

#include <stdint.h>



#include <bit>

#include <bitset>

#include <map>

#include <optional>
@@ -100,6 +101,25 @@ static const bluetooth::Uuid kTelephonyMediaAudioProfileRoleCharacteristicUuid = 
}  // namespace uuid



namespace codec_spec_conf {

constexpr uint8_t SingleCapaToConfigHelper(uint16_t single_capability, uint8_t offset = 0) {

  if (!single_capability || std::popcount(single_capability) > 1) {

    return 0;

  }

  return std::countr_zero(single_capability) + offset;

}



constexpr uint8_t SingleSamplingFreqCapability2Config(uint16_t single_capability) {

  return SingleCapaToConfigHelper(single_capability, 1);

}



constexpr uint8_t SingleFrameDurationCapability2Config(uint16_t single_capability) {

  return SingleCapaToConfigHelper(single_capability);

}



constexpr uint8_t SingleChannelCountCapability2Config(uint16_t single_capability) {

  return SingleCapaToConfigHelper(single_capability, 1);

}



/* LTV Types */

constexpr uint8_t kLeAudioLtvTypeSamplingFreq = 0x01;

constexpr uint8_t kLeAudioLtvTypeFrameDuration = 0x02;
@@ -185,10 +205,22 @@ constexpr uint16_t kLeAudioCodecFrameLen120 = 120; 
constexpr uint8_t kInvalidCisId = 0xFF;



namespace codec_spec_caps {

uint16_t constexpr SamplingFreqConfig2Capability(uint8_t conf) { return 1 << (conf - 1); }

uint16_t constexpr SamplingFreqConfig2Capability(uint8_t conf) {

  if (!conf) {

    return 0;

  }

  return 0x01 << (conf - 1);

}



uint8_t constexpr FrameDurationConfig2Capability(uint8_t conf) { return 0x01 << (conf); }



uint16_t constexpr ChannelCountConfig2Capability(uint8_t conf) {

  if (!conf) {

    return 0;

  }

  return 0x01 << (conf - 1);

}



/* LTV Types - same values as in Codec Specific Configurations but 0x03 is

 * named differently.

 */

system/bta/le_audio/le_audio_types_test.cc

+105 −0
Original line number Diff line number Diff line
@@ -717,5 +717,110 @@ TEST(CodecConfigSettingTest, test_vendor_codec_type) { 
  ASSERT_EQ(vendor_16_2, vendor_codec);

}



TEST(CodecSpecTest, test_sampling_frequency_transition) {

  ASSERT_EQ(codec_spec_conf::SingleSamplingFreqCapability2Config(

                    codec_spec_caps::SamplingFreqConfig2Capability(

                            codec_spec_conf::kLeAudioSamplingFreq8000Hz)),

            codec_spec_conf::kLeAudioSamplingFreq8000Hz);

  ASSERT_EQ(codec_spec_conf::SingleSamplingFreqCapability2Config(

                    codec_spec_caps::SamplingFreqConfig2Capability(

                            codec_spec_conf::kLeAudioSamplingFreq11025Hz)),

            codec_spec_conf::kLeAudioSamplingFreq11025Hz);

  ASSERT_EQ(codec_spec_conf::SingleSamplingFreqCapability2Config(

                    codec_spec_caps::SamplingFreqConfig2Capability(

                            codec_spec_conf::kLeAudioSamplingFreq16000Hz)),

            codec_spec_conf::kLeAudioSamplingFreq16000Hz);

  ASSERT_EQ(codec_spec_conf::SingleSamplingFreqCapability2Config(

                    codec_spec_caps::SamplingFreqConfig2Capability(

                            codec_spec_conf::kLeAudioSamplingFreq22050Hz)),

            codec_spec_conf::kLeAudioSamplingFreq22050Hz);

  ASSERT_EQ(codec_spec_conf::SingleSamplingFreqCapability2Config(

                    codec_spec_caps::SamplingFreqConfig2Capability(

                            codec_spec_conf::kLeAudioSamplingFreq24000Hz)),

            codec_spec_conf::kLeAudioSamplingFreq24000Hz);

  ASSERT_EQ(codec_spec_conf::SingleSamplingFreqCapability2Config(

                    codec_spec_caps::SamplingFreqConfig2Capability(

                            codec_spec_conf::kLeAudioSamplingFreq32000Hz)),

            codec_spec_conf::kLeAudioSamplingFreq32000Hz);

  ASSERT_EQ(codec_spec_conf::SingleSamplingFreqCapability2Config(

                    codec_spec_caps::SamplingFreqConfig2Capability(

                            codec_spec_conf::kLeAudioSamplingFreq44100Hz)),

            codec_spec_conf::kLeAudioSamplingFreq44100Hz);

  ASSERT_EQ(codec_spec_conf::SingleSamplingFreqCapability2Config(

                    codec_spec_caps::SamplingFreqConfig2Capability(

                            codec_spec_conf::kLeAudioSamplingFreq48000Hz)),

            codec_spec_conf::kLeAudioSamplingFreq48000Hz);

  ASSERT_EQ(codec_spec_conf::SingleSamplingFreqCapability2Config(

                    codec_spec_caps::SamplingFreqConfig2Capability(

                            codec_spec_conf::kLeAudioSamplingFreq88200Hz)),

            codec_spec_conf::kLeAudioSamplingFreq88200Hz);

  ASSERT_EQ(codec_spec_conf::SingleSamplingFreqCapability2Config(

                    codec_spec_caps::SamplingFreqConfig2Capability(

                            codec_spec_conf::kLeAudioSamplingFreq96000Hz)),

            codec_spec_conf::kLeAudioSamplingFreq96000Hz);

  ASSERT_EQ(codec_spec_conf::SingleSamplingFreqCapability2Config(

                    codec_spec_caps::SamplingFreqConfig2Capability(

                            codec_spec_conf::kLeAudioSamplingFreq176400Hz)),

            codec_spec_conf::kLeAudioSamplingFreq176400Hz);

  ASSERT_EQ(codec_spec_conf::SingleSamplingFreqCapability2Config(

                    codec_spec_caps::SamplingFreqConfig2Capability(

                            codec_spec_conf::kLeAudioSamplingFreq192000Hz)),

            codec_spec_conf::kLeAudioSamplingFreq192000Hz);

  ASSERT_EQ(codec_spec_conf::SingleSamplingFreqCapability2Config(

                    codec_spec_caps::SamplingFreqConfig2Capability(

                            codec_spec_conf::kLeAudioSamplingFreq384000Hz)),

            codec_spec_conf::kLeAudioSamplingFreq384000Hz);

}



TEST(CodecSpecTest, test_frame_duration_transition) {

  ASSERT_EQ(codec_spec_conf::SingleFrameDurationCapability2Config(

                    codec_spec_caps::FrameDurationConfig2Capability(

                            codec_spec_conf::kLeAudioCodecFrameDur7500us)),

            codec_spec_conf::kLeAudioCodecFrameDur7500us);

  ASSERT_EQ(codec_spec_conf::SingleFrameDurationCapability2Config(

                    codec_spec_caps::FrameDurationConfig2Capability(

                            codec_spec_conf::kLeAudioCodecFrameDur10000us)),

            codec_spec_conf::kLeAudioCodecFrameDur10000us);

}



TEST(CodecSpecTest, test_channel_count_transition) {

  ASSERT_EQ(codec_spec_caps::ChannelCountConfig2Capability(

                    codec_spec_conf::SingleChannelCountCapability2Config(

                            codec_spec_caps::kLeAudioCodecChannelCountNone)),

            codec_spec_caps::kLeAudioCodecChannelCountNone);

  ASSERT_EQ(codec_spec_caps::ChannelCountConfig2Capability(

                    codec_spec_conf::SingleChannelCountCapability2Config(

                            codec_spec_caps::kLeAudioCodecChannelCountSingleChannel)),

            codec_spec_caps::kLeAudioCodecChannelCountSingleChannel);

  ASSERT_EQ(codec_spec_caps::ChannelCountConfig2Capability(

                    codec_spec_conf::SingleChannelCountCapability2Config(

                            codec_spec_caps::kLeAudioCodecChannelCountTwoChannel)),

            codec_spec_caps::kLeAudioCodecChannelCountTwoChannel);

  ASSERT_EQ(codec_spec_caps::ChannelCountConfig2Capability(

                    codec_spec_conf::SingleChannelCountCapability2Config(

                            codec_spec_caps::kLeAudioCodecChannelCountThreeChannel)),

            codec_spec_caps::kLeAudioCodecChannelCountThreeChannel);

  ASSERT_EQ(codec_spec_caps::ChannelCountConfig2Capability(

                    codec_spec_conf::SingleChannelCountCapability2Config(

                            codec_spec_caps::kLeAudioCodecChannelCountFourChannel)),

            codec_spec_caps::kLeAudioCodecChannelCountFourChannel);

  ASSERT_EQ(codec_spec_caps::ChannelCountConfig2Capability(

                    codec_spec_conf::SingleChannelCountCapability2Config(

                            codec_spec_caps::kLeAudioCodecChannelCountFiveChannel)),

            codec_spec_caps::kLeAudioCodecChannelCountFiveChannel);

  ASSERT_EQ(codec_spec_caps::ChannelCountConfig2Capability(

                    codec_spec_conf::SingleChannelCountCapability2Config(

                            codec_spec_caps::kLeAudioCodecChannelCountSixChannel)),

            codec_spec_caps::kLeAudioCodecChannelCountSixChannel);

  ASSERT_EQ(codec_spec_caps::ChannelCountConfig2Capability(

                    codec_spec_conf::SingleChannelCountCapability2Config(

                            codec_spec_caps::kLeAudioCodecChannelCountSevenChannel)),

            codec_spec_caps::kLeAudioCodecChannelCountSevenChannel);

  ASSERT_EQ(codec_spec_caps::ChannelCountConfig2Capability(

                    codec_spec_conf::SingleChannelCountCapability2Config(

                            codec_spec_caps::kLeAudioCodecChannelCountEightChannel)),

            codec_spec_caps::kLeAudioCodecChannelCountEightChannel);

}



}  // namespace types

}  // namespace bluetooth::le_audio