Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2019 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Hansong Zhang | b3ffbed | 2019-02-15 16:19:44 -0800 | [diff] [blame] | 17 | #include "a2dp_encoding.h" |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 18 | #include "client_interface.h" |
| 19 | |
Satish kumar sugasi | cf284d2 | 2019-04-25 19:55:31 -0700 | [diff] [blame] | 20 | #include "a2dp_aac_constants.h" |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 21 | #include "a2dp_sbc_constants.h" |
| 22 | #include "a2dp_vendor_ldac_constants.h" |
| 23 | #include "bta/av/bta_av_int.h" |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 24 | #include "btif_a2dp_source.h" |
| 25 | #include "btif_av.h" |
| 26 | #include "btif_av_co.h" |
| 27 | #include "btif_hf.h" |
| 28 | #include "osi/include/properties.h" |
| 29 | |
| 30 | namespace { |
| 31 | |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 32 | using ::android::hardware::bluetooth::audio::V2_0::AacObjectType; |
| 33 | using ::android::hardware::bluetooth::audio::V2_0::AacVariableBitRate; |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 34 | using ::android::hardware::bluetooth::audio::V2_0::CodecType; |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 35 | using ::android::hardware::bluetooth::audio::V2_0::LdacChannelMode; |
| 36 | using ::android::hardware::bluetooth::audio::V2_0::LdacQualityIndex; |
| 37 | using ::android::hardware::bluetooth::audio::V2_0::SbcAllocMethod; |
| 38 | using ::android::hardware::bluetooth::audio::V2_0::SbcBlockLength; |
| 39 | using ::android::hardware::bluetooth::audio::V2_0::SbcChannelMode; |
| 40 | using ::android::hardware::bluetooth::audio::V2_0::SbcNumSubbands; |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 41 | using ::bluetooth::audio::AudioConfiguration; |
| 42 | using ::bluetooth::audio::BitsPerSample; |
| 43 | using ::bluetooth::audio::BluetoothAudioCtrlAck; |
| 44 | using ::bluetooth::audio::ChannelMode; |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 45 | using ::bluetooth::audio::CodecConfiguration; |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 46 | using ::bluetooth::audio::PcmParameters; |
| 47 | using ::bluetooth::audio::SampleRate; |
| 48 | using ::bluetooth::audio::SessionType; |
| 49 | |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 50 | const CodecConfiguration kInvalidCodecConfiguration = { |
| 51 | .codecType = CodecType::UNKNOWN, |
| 52 | .encodedAudioBitrate = 0x00000000, |
| 53 | .peerMtu = 0xffff, |
| 54 | .isScmstEnabled = false, |
| 55 | .config = {}}; |
| 56 | |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 57 | BluetoothAudioCtrlAck a2dp_ack_to_bt_audio_ctrl_ack(tA2DP_CTRL_ACK ack); |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 58 | |
| 59 | // Provide call-in APIs for the Bluetooth Audio HAL |
| 60 | class A2dpTransport : public ::bluetooth::audio::IBluetoothTransportInstance { |
| 61 | public: |
Cheney Ni | 8552e95 | 2019-02-21 19:54:10 +0800 | [diff] [blame] | 62 | A2dpTransport(SessionType sessionType) |
| 63 | : IBluetoothTransportInstance(sessionType, {}), |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 64 | a2dp_pending_cmd_(A2DP_CTRL_CMD_NONE), |
| 65 | remote_delay_report_(0), |
| 66 | total_bytes_read_(0), |
| 67 | data_position_({}){}; |
| 68 | |
| 69 | BluetoothAudioCtrlAck StartRequest() override { |
| 70 | // Check if a previous request is not finished |
| 71 | if (a2dp_pending_cmd_ == A2DP_CTRL_CMD_START) { |
| 72 | LOG(INFO) << __func__ << ": A2DP_CTRL_CMD_START in progress"; |
| 73 | return a2dp_ack_to_bt_audio_ctrl_ack(A2DP_CTRL_ACK_PENDING); |
| 74 | } else if (a2dp_pending_cmd_ != A2DP_CTRL_CMD_NONE) { |
| 75 | LOG(WARNING) << __func__ << ": busy in pending_cmd=" << a2dp_pending_cmd_; |
| 76 | return a2dp_ack_to_bt_audio_ctrl_ack(A2DP_CTRL_ACK_FAILURE); |
| 77 | } |
| 78 | |
| 79 | // Don't send START request to stack while we are in a call |
| 80 | if (!bluetooth::headset::IsCallIdle()) { |
| 81 | LOG(ERROR) << __func__ << ": call state is busy"; |
| 82 | return a2dp_ack_to_bt_audio_ctrl_ack(A2DP_CTRL_ACK_INCALL_FAILURE); |
| 83 | } |
| 84 | |
Cheney Ni | 8e9ecc7 | 2019-11-21 02:49:12 +0800 | [diff] [blame] | 85 | if (btif_av_stream_started_ready()) { |
| 86 | // Already started, ACK back immediately. |
| 87 | return a2dp_ack_to_bt_audio_ctrl_ack(A2DP_CTRL_ACK_SUCCESS); |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 88 | } |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 89 | if (btif_av_stream_ready()) { |
| 90 | /* |
| 91 | * Post start event and wait for audio path to open. |
| 92 | * If we are the source, the ACK will be sent after the start |
| 93 | * procedure is completed, othewise send it now. |
| 94 | */ |
| 95 | a2dp_pending_cmd_ = A2DP_CTRL_CMD_START; |
| 96 | btif_av_stream_start(); |
| 97 | if (btif_av_get_peer_sep() != AVDT_TSEP_SRC) { |
| 98 | LOG(INFO) << __func__ << ": accepted"; |
| 99 | return a2dp_ack_to_bt_audio_ctrl_ack(A2DP_CTRL_ACK_PENDING); |
| 100 | } |
| 101 | a2dp_pending_cmd_ = A2DP_CTRL_CMD_NONE; |
| 102 | return a2dp_ack_to_bt_audio_ctrl_ack(A2DP_CTRL_ACK_SUCCESS); |
| 103 | } |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 104 | LOG(ERROR) << __func__ << ": AV stream is not ready to start"; |
| 105 | return a2dp_ack_to_bt_audio_ctrl_ack(A2DP_CTRL_ACK_FAILURE); |
| 106 | } |
| 107 | |
| 108 | BluetoothAudioCtrlAck SuspendRequest() override { |
| 109 | // Previous request is not finished |
| 110 | if (a2dp_pending_cmd_ == A2DP_CTRL_CMD_SUSPEND) { |
| 111 | LOG(INFO) << __func__ << ": A2DP_CTRL_CMD_SUSPEND in progress"; |
| 112 | return a2dp_ack_to_bt_audio_ctrl_ack(A2DP_CTRL_ACK_PENDING); |
| 113 | } else if (a2dp_pending_cmd_ != A2DP_CTRL_CMD_NONE) { |
| 114 | LOG(WARNING) << __func__ << ": busy in pending_cmd=" << a2dp_pending_cmd_; |
| 115 | return a2dp_ack_to_bt_audio_ctrl_ack(A2DP_CTRL_ACK_FAILURE); |
| 116 | } |
| 117 | // Local suspend |
| 118 | if (btif_av_stream_started_ready()) { |
| 119 | LOG(INFO) << __func__ << ": accepted"; |
| 120 | a2dp_pending_cmd_ = A2DP_CTRL_CMD_SUSPEND; |
| 121 | btif_av_stream_suspend(); |
| 122 | return BluetoothAudioCtrlAck::PENDING; |
| 123 | } |
| 124 | /* If we are not in started state, just ack back ok and let |
| 125 | * audioflinger close the channel. This can happen if we are |
| 126 | * remotely suspended, clear REMOTE SUSPEND flag. |
| 127 | */ |
| 128 | btif_av_clear_remote_suspend_flag(); |
| 129 | return a2dp_ack_to_bt_audio_ctrl_ack(A2DP_CTRL_ACK_SUCCESS); |
| 130 | } |
| 131 | |
| 132 | void StopRequest() override { |
| 133 | if (btif_av_get_peer_sep() == AVDT_TSEP_SNK && |
Cheney Ni | 8e9ecc7 | 2019-11-21 02:49:12 +0800 | [diff] [blame] | 134 | !btif_av_stream_started_ready()) { |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 135 | return; |
| 136 | } |
| 137 | LOG(INFO) << __func__ << ": handling"; |
| 138 | a2dp_pending_cmd_ = A2DP_CTRL_CMD_STOP; |
| 139 | btif_av_stream_stop(RawAddress::kEmpty); |
| 140 | } |
| 141 | |
| 142 | bool GetPresentationPosition(uint64_t* remote_delay_report_ns, |
| 143 | uint64_t* total_bytes_read, |
| 144 | timespec* data_position) override { |
| 145 | *remote_delay_report_ns = remote_delay_report_ * 100000u; |
| 146 | *total_bytes_read = total_bytes_read_; |
| 147 | *data_position = data_position_; |
| 148 | VLOG(2) << __func__ << ": delay=" << remote_delay_report_ |
| 149 | << "/10ms, data=" << total_bytes_read_ |
| 150 | << " byte(s), timestamp=" << data_position_.tv_sec << "." |
| 151 | << data_position_.tv_nsec << "s"; |
| 152 | return true; |
| 153 | } |
| 154 | |
| 155 | void MetadataChanged(const source_metadata_t& source_metadata) override { |
| 156 | auto track_count = source_metadata.track_count; |
| 157 | auto tracks = source_metadata.tracks; |
| 158 | VLOG(1) << __func__ << ": " << track_count << " track(s) received"; |
| 159 | while (track_count) { |
| 160 | VLOG(2) << __func__ << ": usage=" << tracks->usage |
| 161 | << ", content_type=" << tracks->content_type |
| 162 | << ", gain=" << tracks->gain; |
| 163 | --track_count; |
| 164 | ++tracks; |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | tA2DP_CTRL_CMD GetPendingCmd() const { return a2dp_pending_cmd_; } |
| 169 | |
| 170 | void ResetPendingCmd() { a2dp_pending_cmd_ = A2DP_CTRL_CMD_NONE; } |
| 171 | |
| 172 | void ResetPresentationPosition() override { |
| 173 | remote_delay_report_ = 0; |
| 174 | total_bytes_read_ = 0; |
| 175 | data_position_ = {}; |
| 176 | } |
| 177 | |
| 178 | void LogBytesRead(size_t bytes_read) override { |
| 179 | if (bytes_read != 0) { |
| 180 | total_bytes_read_ += bytes_read; |
| 181 | clock_gettime(CLOCK_MONOTONIC, &data_position_); |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | // delay reports from AVDTP is based on 1/10 ms (100us) |
| 186 | void SetRemoteDelay(uint16_t delay_report) { |
| 187 | remote_delay_report_ = delay_report; |
| 188 | } |
| 189 | |
| 190 | private: |
| 191 | tA2DP_CTRL_CMD a2dp_pending_cmd_; |
| 192 | uint16_t remote_delay_report_; |
| 193 | uint64_t total_bytes_read_; |
| 194 | timespec data_position_; |
| 195 | }; |
| 196 | |
| 197 | A2dpTransport* a2dp_sink = nullptr; |
| 198 | |
| 199 | // Common interface to call-out into Bluetooth Audio HAL |
| 200 | bluetooth::audio::BluetoothAudioClientInterface* a2dp_hal_clientif = nullptr; |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 201 | auto session_type = SessionType::UNKNOWN; |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 202 | |
| 203 | // Save the value if the remote reports its delay before a2dp_sink is |
| 204 | // initialized |
| 205 | uint16_t remote_delay = 0; |
| 206 | |
Cheney Ni | 3abcc01 | 2019-03-14 20:58:59 +0800 | [diff] [blame] | 207 | bool btaudio_a2dp_disabled = false; |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 208 | bool is_configured = false; |
| 209 | |
| 210 | BluetoothAudioCtrlAck a2dp_ack_to_bt_audio_ctrl_ack(tA2DP_CTRL_ACK ack) { |
| 211 | switch (ack) { |
| 212 | case A2DP_CTRL_ACK_SUCCESS: |
| 213 | return BluetoothAudioCtrlAck::SUCCESS_FINISHED; |
| 214 | case A2DP_CTRL_ACK_PENDING: |
| 215 | return BluetoothAudioCtrlAck::PENDING; |
| 216 | case A2DP_CTRL_ACK_INCALL_FAILURE: |
| 217 | return BluetoothAudioCtrlAck::FAILURE_BUSY; |
| 218 | case A2DP_CTRL_ACK_DISCONNECT_IN_PROGRESS: |
| 219 | return BluetoothAudioCtrlAck::FAILURE_DISCONNECTING; |
| 220 | case A2DP_CTRL_ACK_UNSUPPORTED: /* Offloading but resource failure */ |
| 221 | return BluetoothAudioCtrlAck::FAILURE_UNSUPPORTED; |
| 222 | case A2DP_CTRL_ACK_FAILURE: |
| 223 | return BluetoothAudioCtrlAck::FAILURE; |
| 224 | default: |
| 225 | return BluetoothAudioCtrlAck::FAILURE; |
| 226 | } |
| 227 | } |
| 228 | |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 229 | SampleRate a2dp_codec_to_hal_sample_rate( |
| 230 | const btav_a2dp_codec_config_t& a2dp_codec_config) { |
| 231 | switch (a2dp_codec_config.sample_rate) { |
| 232 | case BTAV_A2DP_CODEC_SAMPLE_RATE_44100: |
| 233 | return SampleRate::RATE_44100; |
| 234 | case BTAV_A2DP_CODEC_SAMPLE_RATE_48000: |
| 235 | return SampleRate::RATE_48000; |
| 236 | case BTAV_A2DP_CODEC_SAMPLE_RATE_88200: |
| 237 | return SampleRate::RATE_88200; |
| 238 | case BTAV_A2DP_CODEC_SAMPLE_RATE_96000: |
| 239 | return SampleRate::RATE_96000; |
| 240 | case BTAV_A2DP_CODEC_SAMPLE_RATE_176400: |
| 241 | return SampleRate::RATE_176400; |
| 242 | case BTAV_A2DP_CODEC_SAMPLE_RATE_192000: |
| 243 | return SampleRate::RATE_192000; |
| 244 | case BTAV_A2DP_CODEC_SAMPLE_RATE_16000: |
| 245 | return SampleRate::RATE_16000; |
| 246 | case BTAV_A2DP_CODEC_SAMPLE_RATE_24000: |
| 247 | return SampleRate::RATE_24000; |
| 248 | default: |
| 249 | return SampleRate::RATE_UNKNOWN; |
| 250 | } |
| 251 | } |
| 252 | |
| 253 | BitsPerSample a2dp_codec_to_hal_bits_per_sample( |
| 254 | const btav_a2dp_codec_config_t& a2dp_codec_config) { |
| 255 | switch (a2dp_codec_config.bits_per_sample) { |
| 256 | case BTAV_A2DP_CODEC_BITS_PER_SAMPLE_16: |
| 257 | return BitsPerSample::BITS_16; |
| 258 | case BTAV_A2DP_CODEC_BITS_PER_SAMPLE_24: |
| 259 | return BitsPerSample::BITS_24; |
| 260 | case BTAV_A2DP_CODEC_BITS_PER_SAMPLE_32: |
| 261 | return BitsPerSample::BITS_32; |
| 262 | default: |
| 263 | return BitsPerSample::BITS_UNKNOWN; |
| 264 | } |
| 265 | } |
| 266 | |
| 267 | ChannelMode a2dp_codec_to_hal_channel_mode( |
| 268 | const btav_a2dp_codec_config_t& a2dp_codec_config) { |
| 269 | switch (a2dp_codec_config.channel_mode) { |
| 270 | case BTAV_A2DP_CODEC_CHANNEL_MODE_MONO: |
| 271 | return ChannelMode::MONO; |
| 272 | case BTAV_A2DP_CODEC_CHANNEL_MODE_STEREO: |
| 273 | return ChannelMode::STEREO; |
| 274 | default: |
| 275 | return ChannelMode::UNKNOWN; |
| 276 | } |
| 277 | } |
| 278 | |
| 279 | bool a2dp_get_selected_hal_codec_config(CodecConfiguration* codec_config) { |
| 280 | A2dpCodecConfig* a2dp_codec_configs = bta_av_get_a2dp_current_codec(); |
| 281 | if (a2dp_codec_configs == nullptr) { |
| 282 | LOG(WARNING) << __func__ << ": failure to get A2DP codec config"; |
| 283 | *codec_config = kInvalidCodecConfiguration; |
| 284 | return false; |
| 285 | } |
| 286 | btav_a2dp_codec_config_t current_codec = a2dp_codec_configs->getCodecConfig(); |
| 287 | tBT_A2DP_OFFLOAD a2dp_offload; |
| 288 | a2dp_codec_configs->getCodecSpecificConfig(&a2dp_offload); |
| 289 | switch (current_codec.codec_type) { |
| 290 | case BTAV_A2DP_CODEC_INDEX_SOURCE_SBC: |
| 291 | [[fallthrough]]; |
| 292 | case BTAV_A2DP_CODEC_INDEX_SINK_SBC: { |
| 293 | codec_config->codecType = CodecType::SBC; |
| 294 | codec_config->config.sbcConfig({}); |
| 295 | auto sbc_config = codec_config->config.sbcConfig(); |
| 296 | sbc_config.sampleRate = a2dp_codec_to_hal_sample_rate(current_codec); |
| 297 | if (sbc_config.sampleRate == SampleRate::RATE_UNKNOWN) { |
| 298 | LOG(ERROR) << __func__ |
| 299 | << ": Unknown SBC sample_rate=" << current_codec.sample_rate; |
| 300 | return false; |
| 301 | } |
Satish kumar sugasi | cf284d2 | 2019-04-25 19:55:31 -0700 | [diff] [blame] | 302 | uint8_t channel_mode = a2dp_offload.codec_info[3] & A2DP_SBC_IE_CH_MD_MSK; |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 303 | switch (channel_mode) { |
| 304 | case A2DP_SBC_IE_CH_MD_JOINT: |
| 305 | sbc_config.channelMode = SbcChannelMode::JOINT_STEREO; |
| 306 | break; |
| 307 | case A2DP_SBC_IE_CH_MD_STEREO: |
| 308 | sbc_config.channelMode = SbcChannelMode::STEREO; |
| 309 | break; |
| 310 | case A2DP_SBC_IE_CH_MD_DUAL: |
| 311 | sbc_config.channelMode = SbcChannelMode::DUAL; |
| 312 | break; |
| 313 | case A2DP_SBC_IE_CH_MD_MONO: |
| 314 | sbc_config.channelMode = SbcChannelMode::MONO; |
| 315 | break; |
| 316 | default: |
| 317 | LOG(ERROR) << __func__ |
| 318 | << ": Unknown SBC channel_mode=" << channel_mode; |
| 319 | sbc_config.channelMode = SbcChannelMode::UNKNOWN; |
| 320 | return false; |
| 321 | } |
| 322 | uint8_t block_length = |
Satish kumar sugasi | cf284d2 | 2019-04-25 19:55:31 -0700 | [diff] [blame] | 323 | a2dp_offload.codec_info[0] & A2DP_SBC_IE_BLOCKS_MSK; |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 324 | switch (block_length) { |
| 325 | case A2DP_SBC_IE_BLOCKS_4: |
| 326 | sbc_config.blockLength = SbcBlockLength::BLOCKS_4; |
| 327 | break; |
| 328 | case A2DP_SBC_IE_BLOCKS_8: |
| 329 | sbc_config.blockLength = SbcBlockLength::BLOCKS_8; |
| 330 | break; |
| 331 | case A2DP_SBC_IE_BLOCKS_12: |
| 332 | sbc_config.blockLength = SbcBlockLength::BLOCKS_12; |
| 333 | break; |
| 334 | case A2DP_SBC_IE_BLOCKS_16: |
| 335 | sbc_config.blockLength = SbcBlockLength::BLOCKS_16; |
| 336 | break; |
| 337 | default: |
| 338 | LOG(ERROR) << __func__ |
| 339 | << ": Unknown SBC block_length=" << block_length; |
| 340 | return false; |
| 341 | } |
Satish kumar sugasi | cf284d2 | 2019-04-25 19:55:31 -0700 | [diff] [blame] | 342 | uint8_t sub_bands = a2dp_offload.codec_info[0] & A2DP_SBC_IE_SUBBAND_MSK; |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 343 | switch (sub_bands) { |
| 344 | case A2DP_SBC_IE_SUBBAND_4: |
| 345 | sbc_config.numSubbands = SbcNumSubbands::SUBBAND_4; |
| 346 | break; |
| 347 | case A2DP_SBC_IE_SUBBAND_8: |
| 348 | sbc_config.numSubbands = SbcNumSubbands::SUBBAND_8; |
| 349 | break; |
| 350 | default: |
| 351 | LOG(ERROR) << __func__ << ": Unknown SBC Subbands=" << sub_bands; |
| 352 | return false; |
| 353 | } |
| 354 | uint8_t alloc_method = |
Satish kumar sugasi | cf284d2 | 2019-04-25 19:55:31 -0700 | [diff] [blame] | 355 | a2dp_offload.codec_info[0] & A2DP_SBC_IE_ALLOC_MD_MSK; |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 356 | switch (alloc_method) { |
| 357 | case A2DP_SBC_IE_ALLOC_MD_S: |
| 358 | sbc_config.allocMethod = SbcAllocMethod::ALLOC_MD_S; |
| 359 | break; |
| 360 | case A2DP_SBC_IE_ALLOC_MD_L: |
| 361 | sbc_config.allocMethod = SbcAllocMethod::ALLOC_MD_L; |
| 362 | break; |
| 363 | default: |
| 364 | LOG(ERROR) << __func__ |
| 365 | << ": Unknown SBC alloc_method=" << alloc_method; |
| 366 | return false; |
| 367 | } |
Satish kumar sugasi | cf284d2 | 2019-04-25 19:55:31 -0700 | [diff] [blame] | 368 | sbc_config.minBitpool = a2dp_offload.codec_info[1]; |
| 369 | sbc_config.maxBitpool = a2dp_offload.codec_info[2]; |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 370 | sbc_config.bitsPerSample = |
| 371 | a2dp_codec_to_hal_bits_per_sample(current_codec); |
| 372 | if (sbc_config.bitsPerSample == BitsPerSample::BITS_UNKNOWN) { |
| 373 | LOG(ERROR) << __func__ << ": Unknown SBC bits_per_sample=" |
| 374 | << current_codec.bits_per_sample; |
| 375 | return false; |
| 376 | } |
| 377 | codec_config->config.sbcConfig(sbc_config); |
| 378 | break; |
| 379 | } |
| 380 | case BTAV_A2DP_CODEC_INDEX_SOURCE_AAC: |
| 381 | [[fallthrough]]; |
| 382 | case BTAV_A2DP_CODEC_INDEX_SINK_AAC: { |
| 383 | codec_config->codecType = CodecType::AAC; |
| 384 | codec_config->config.aacConfig({}); |
| 385 | auto aac_config = codec_config->config.aacConfig(); |
Satish kumar sugasi | cf284d2 | 2019-04-25 19:55:31 -0700 | [diff] [blame] | 386 | uint8_t object_type = a2dp_offload.codec_info[0]; |
| 387 | switch (object_type) { |
| 388 | case A2DP_AAC_OBJECT_TYPE_MPEG2_LC: |
| 389 | aac_config.objectType = AacObjectType::MPEG2_LC; |
| 390 | break; |
| 391 | case A2DP_AAC_OBJECT_TYPE_MPEG4_LC: |
| 392 | aac_config.objectType = AacObjectType::MPEG4_LC; |
| 393 | break; |
| 394 | case A2DP_AAC_OBJECT_TYPE_MPEG4_LTP: |
| 395 | aac_config.objectType = AacObjectType::MPEG4_LTP; |
| 396 | break; |
| 397 | case A2DP_AAC_OBJECT_TYPE_MPEG4_SCALABLE: |
| 398 | aac_config.objectType = AacObjectType::MPEG4_SCALABLE; |
| 399 | break; |
| 400 | default: |
| 401 | LOG(ERROR) << __func__ |
| 402 | << ": Unknown AAC object_type=" << +object_type; |
| 403 | return false; |
| 404 | } |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 405 | aac_config.sampleRate = a2dp_codec_to_hal_sample_rate(current_codec); |
| 406 | if (aac_config.sampleRate == SampleRate::RATE_UNKNOWN) { |
| 407 | LOG(ERROR) << __func__ |
| 408 | << ": Unknown AAC sample_rate=" << current_codec.sample_rate; |
| 409 | return false; |
| 410 | } |
| 411 | aac_config.channelMode = a2dp_codec_to_hal_channel_mode(current_codec); |
| 412 | if (aac_config.channelMode == ChannelMode::UNKNOWN) { |
| 413 | LOG(ERROR) << __func__ << ": Unknown AAC channel_mode=" |
| 414 | << current_codec.channel_mode; |
| 415 | return false; |
| 416 | } |
Satish kumar sugasi | cf284d2 | 2019-04-25 19:55:31 -0700 | [diff] [blame] | 417 | uint8_t vbr_enabled = |
| 418 | a2dp_offload.codec_info[1] & A2DP_AAC_VARIABLE_BIT_RATE_MASK; |
| 419 | switch (vbr_enabled) { |
| 420 | case A2DP_AAC_VARIABLE_BIT_RATE_ENABLED: |
| 421 | aac_config.variableBitRateEnabled = AacVariableBitRate::ENABLED; |
| 422 | break; |
| 423 | case A2DP_AAC_VARIABLE_BIT_RATE_DISABLED: |
| 424 | aac_config.variableBitRateEnabled = AacVariableBitRate::DISABLED; |
| 425 | break; |
| 426 | default: |
| 427 | LOG(ERROR) << __func__ << ": Unknown AAC VBR=" << +vbr_enabled; |
| 428 | return false; |
| 429 | } |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 430 | aac_config.bitsPerSample = |
| 431 | a2dp_codec_to_hal_bits_per_sample(current_codec); |
| 432 | if (aac_config.bitsPerSample == BitsPerSample::BITS_UNKNOWN) { |
| 433 | LOG(ERROR) << __func__ << ": Unknown AAC bits_per_sample=" |
| 434 | << current_codec.bits_per_sample; |
| 435 | return false; |
| 436 | } |
| 437 | codec_config->config.aacConfig(aac_config); |
| 438 | break; |
| 439 | } |
| 440 | case BTAV_A2DP_CODEC_INDEX_SOURCE_APTX: |
| 441 | [[fallthrough]]; |
| 442 | case BTAV_A2DP_CODEC_INDEX_SOURCE_APTX_HD: { |
| 443 | if (current_codec.codec_type == BTAV_A2DP_CODEC_INDEX_SOURCE_APTX) { |
| 444 | codec_config->codecType = CodecType::APTX; |
| 445 | } else { |
| 446 | codec_config->codecType = CodecType::APTX_HD; |
| 447 | } |
| 448 | codec_config->config.aptxConfig({}); |
| 449 | auto aptx_config = codec_config->config.aptxConfig(); |
| 450 | aptx_config.sampleRate = a2dp_codec_to_hal_sample_rate(current_codec); |
| 451 | if (aptx_config.sampleRate == SampleRate::RATE_UNKNOWN) { |
| 452 | LOG(ERROR) << __func__ << ": Unknown aptX sample_rate=" |
| 453 | << current_codec.sample_rate; |
| 454 | return false; |
| 455 | } |
| 456 | aptx_config.channelMode = a2dp_codec_to_hal_channel_mode(current_codec); |
| 457 | if (aptx_config.channelMode == ChannelMode::UNKNOWN) { |
| 458 | LOG(ERROR) << __func__ << ": Unknown aptX channel_mode=" |
| 459 | << current_codec.channel_mode; |
| 460 | return false; |
| 461 | } |
| 462 | aptx_config.bitsPerSample = |
| 463 | a2dp_codec_to_hal_bits_per_sample(current_codec); |
| 464 | if (aptx_config.bitsPerSample == BitsPerSample::BITS_UNKNOWN) { |
| 465 | LOG(ERROR) << __func__ << ": Unknown aptX bits_per_sample=" |
| 466 | << current_codec.bits_per_sample; |
| 467 | return false; |
| 468 | } |
| 469 | codec_config->config.aptxConfig(aptx_config); |
| 470 | break; |
| 471 | } |
| 472 | case BTAV_A2DP_CODEC_INDEX_SOURCE_LDAC: { |
| 473 | codec_config->codecType = CodecType::LDAC; |
| 474 | codec_config->config.ldacConfig({}); |
| 475 | auto ldac_config = codec_config->config.ldacConfig(); |
| 476 | ldac_config.sampleRate = a2dp_codec_to_hal_sample_rate(current_codec); |
| 477 | if (ldac_config.sampleRate == SampleRate::RATE_UNKNOWN) { |
| 478 | LOG(ERROR) << __func__ << ": Unknown LDAC sample_rate=" |
| 479 | << current_codec.sample_rate; |
| 480 | return false; |
| 481 | } |
| 482 | switch (a2dp_offload.codec_info[7]) { |
| 483 | case A2DP_LDAC_CHANNEL_MODE_STEREO: |
| 484 | ldac_config.channelMode = LdacChannelMode::STEREO; |
| 485 | break; |
| 486 | case A2DP_LDAC_CHANNEL_MODE_DUAL: |
| 487 | ldac_config.channelMode = LdacChannelMode::DUAL; |
| 488 | break; |
| 489 | case A2DP_LDAC_CHANNEL_MODE_MONO: |
| 490 | ldac_config.channelMode = LdacChannelMode::MONO; |
| 491 | break; |
| 492 | default: |
| 493 | LOG(ERROR) << __func__ << ": Unknown LDAC channel_mode=" |
| 494 | << a2dp_offload.codec_info[7]; |
| 495 | ldac_config.channelMode = LdacChannelMode::UNKNOWN; |
| 496 | return false; |
| 497 | } |
| 498 | switch (a2dp_offload.codec_info[6]) { |
| 499 | case A2DP_LDAC_QUALITY_HIGH: |
| 500 | ldac_config.qualityIndex = LdacQualityIndex::QUALITY_HIGH; |
| 501 | break; |
| 502 | case A2DP_LDAC_QUALITY_MID: |
| 503 | ldac_config.qualityIndex = LdacQualityIndex::QUALITY_MID; |
| 504 | break; |
| 505 | case A2DP_LDAC_QUALITY_LOW: |
| 506 | ldac_config.qualityIndex = LdacQualityIndex::QUALITY_LOW; |
| 507 | break; |
| 508 | case A2DP_LDAC_QUALITY_ABR_OFFLOAD: |
| 509 | ldac_config.qualityIndex = LdacQualityIndex::QUALITY_ABR; |
| 510 | break; |
| 511 | default: |
| 512 | LOG(ERROR) << __func__ << ": Unknown LDAC QualityIndex=" |
| 513 | << a2dp_offload.codec_info[6]; |
| 514 | return false; |
| 515 | } |
| 516 | ldac_config.bitsPerSample = |
| 517 | a2dp_codec_to_hal_bits_per_sample(current_codec); |
| 518 | if (ldac_config.bitsPerSample == BitsPerSample::BITS_UNKNOWN) { |
| 519 | LOG(ERROR) << __func__ << ": Unknown LDAC bits_per_sample=" |
| 520 | << current_codec.bits_per_sample; |
| 521 | return false; |
| 522 | } |
| 523 | codec_config->config.ldacConfig(ldac_config); |
| 524 | break; |
| 525 | } |
| 526 | case BTAV_A2DP_CODEC_INDEX_MAX: |
| 527 | [[fallthrough]]; |
| 528 | default: |
| 529 | LOG(ERROR) << __func__ |
| 530 | << ": Unknown codec_type=" << current_codec.codec_type; |
| 531 | codec_config->codecType = CodecType::UNKNOWN; |
| 532 | codec_config->config = {}; |
| 533 | return false; |
| 534 | } |
| 535 | codec_config->encodedAudioBitrate = a2dp_codec_configs->getTrackBitRate(); |
| 536 | // Obtain the MTU |
| 537 | RawAddress peer_addr = btif_av_source_active_peer(); |
| 538 | tA2DP_ENCODER_INIT_PEER_PARAMS peer_param; |
| 539 | bta_av_co_get_peer_params(peer_addr, &peer_param); |
| 540 | int effectiveMtu = a2dp_codec_configs->getEffectiveMtu(); |
| 541 | if (effectiveMtu > 0 && effectiveMtu < peer_param.peer_mtu) { |
| 542 | codec_config->peerMtu = effectiveMtu; |
| 543 | } else { |
| 544 | codec_config->peerMtu = peer_param.peer_mtu; |
| 545 | } |
| 546 | LOG(INFO) << __func__ << ": CodecConfiguration=" << toString(*codec_config); |
| 547 | return true; |
| 548 | } |
| 549 | |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 550 | bool a2dp_get_selected_hal_pcm_config(PcmParameters* pcm_config) { |
| 551 | if (pcm_config == nullptr) return false; |
| 552 | A2dpCodecConfig* a2dp_codec_configs = bta_av_get_a2dp_current_codec(); |
| 553 | if (a2dp_codec_configs == nullptr) { |
| 554 | LOG(WARNING) << __func__ << ": failure to get A2DP codec config"; |
| 555 | *pcm_config = ::bluetooth::audio::BluetoothAudioClientInterface:: |
| 556 | kInvalidPcmConfiguration; |
| 557 | return false; |
| 558 | } |
| 559 | |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 560 | btav_a2dp_codec_config_t current_codec = a2dp_codec_configs->getCodecConfig(); |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 561 | pcm_config->sampleRate = a2dp_codec_to_hal_sample_rate(current_codec); |
| 562 | pcm_config->bitsPerSample = a2dp_codec_to_hal_bits_per_sample(current_codec); |
| 563 | pcm_config->channelMode = a2dp_codec_to_hal_channel_mode(current_codec); |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 564 | return (pcm_config->sampleRate != SampleRate::RATE_UNKNOWN && |
| 565 | pcm_config->bitsPerSample != BitsPerSample::BITS_UNKNOWN && |
| 566 | pcm_config->channelMode != ChannelMode::UNKNOWN); |
| 567 | } |
| 568 | |
Cheney Ni | 3abcc01 | 2019-03-14 20:58:59 +0800 | [diff] [blame] | 569 | // Checking if new bluetooth_audio is supported |
| 570 | bool is_hal_2_0_force_disabled() { |
| 571 | if (!is_configured) { |
| 572 | btaudio_a2dp_disabled = osi_property_get_bool(BLUETOOTH_AUDIO_HAL_PROP_DISABLED, false); |
| 573 | is_configured = true; |
| 574 | } |
| 575 | return btaudio_a2dp_disabled; |
| 576 | } |
| 577 | |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 578 | } // namespace |
| 579 | |
| 580 | namespace bluetooth { |
| 581 | namespace audio { |
| 582 | namespace a2dp { |
| 583 | |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 584 | // Checking if new bluetooth_audio is enabled |
| 585 | bool is_hal_2_0_enabled() { return a2dp_hal_clientif != nullptr; } |
| 586 | |
| 587 | // Initialize BluetoothAudio HAL: openProvider |
| 588 | bool init(bluetooth::common::MessageLoopThread* message_loop) { |
| 589 | LOG(INFO) << __func__; |
| 590 | |
Cheney Ni | 3abcc01 | 2019-03-14 20:58:59 +0800 | [diff] [blame] | 591 | if (is_hal_2_0_force_disabled()) { |
| 592 | LOG(ERROR) << __func__ << ": BluetoothAudio HAL is disabled"; |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 593 | return false; |
| 594 | } |
| 595 | |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 596 | if (btif_av_is_a2dp_offload_enabled()) { |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 597 | session_type = SessionType::A2DP_HARDWARE_OFFLOAD_DATAPATH; |
| 598 | } else { |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 599 | session_type = SessionType::A2DP_SOFTWARE_ENCODING_DATAPATH; |
| 600 | } |
Cheney Ni | 8552e95 | 2019-02-21 19:54:10 +0800 | [diff] [blame] | 601 | a2dp_sink = new A2dpTransport(session_type); |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 602 | a2dp_hal_clientif = new bluetooth::audio::BluetoothAudioClientInterface( |
| 603 | a2dp_sink, message_loop); |
Cheney Ni | 3abcc01 | 2019-03-14 20:58:59 +0800 | [diff] [blame] | 604 | if (!a2dp_hal_clientif->IsValid()) { |
| 605 | LOG(WARNING) << __func__ << ": BluetoothAudio HAL for A2DP session=" << toString(session_type) << " is invalid?!"; |
| 606 | delete a2dp_hal_clientif; |
| 607 | a2dp_hal_clientif = nullptr; |
| 608 | delete a2dp_sink; |
| 609 | a2dp_sink = nullptr; |
| 610 | return false; |
| 611 | } |
| 612 | |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 613 | if (remote_delay != 0) { |
| 614 | LOG(INFO) << __func__ << ": restore DELAY " |
| 615 | << static_cast<float>(remote_delay / 10.0) << " ms"; |
| 616 | a2dp_sink->SetRemoteDelay(remote_delay); |
| 617 | remote_delay = 0; |
| 618 | } |
| 619 | return true; |
| 620 | } |
| 621 | |
| 622 | // Clean up BluetoothAudio HAL |
| 623 | void cleanup() { |
| 624 | if (!is_hal_2_0_enabled()) return; |
| 625 | end_session(); |
| 626 | delete a2dp_hal_clientif; |
| 627 | a2dp_hal_clientif = nullptr; |
| 628 | delete a2dp_sink; |
| 629 | a2dp_sink = nullptr; |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 630 | session_type = SessionType::UNKNOWN; |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 631 | remote_delay = 0; |
| 632 | } |
| 633 | |
| 634 | // Set up the codec into BluetoothAudio HAL |
| 635 | bool setup_codec() { |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 636 | if (!is_hal_2_0_enabled()) { |
| 637 | LOG(ERROR) << __func__ << ": BluetoothAudio HAL is not enabled"; |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 638 | return false; |
| 639 | } |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 640 | AudioConfiguration audio_config{}; |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 641 | if (session_type == SessionType::A2DP_HARDWARE_OFFLOAD_DATAPATH) { |
| 642 | CodecConfiguration codec_config{}; |
| 643 | if (!a2dp_get_selected_hal_codec_config(&codec_config)) { |
| 644 | LOG(ERROR) << __func__ << ": Failed to get CodecConfiguration"; |
| 645 | return false; |
| 646 | } |
| 647 | audio_config.codecConfig(codec_config); |
| 648 | } else if (session_type == SessionType::A2DP_SOFTWARE_ENCODING_DATAPATH) { |
| 649 | PcmParameters pcm_config{}; |
| 650 | if (!a2dp_get_selected_hal_pcm_config(&pcm_config)) { |
| 651 | LOG(ERROR) << __func__ << ": Failed to get PcmConfiguration"; |
| 652 | return false; |
| 653 | } |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 654 | audio_config.pcmConfig(pcm_config); |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 655 | } |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 656 | return a2dp_hal_clientif->UpdateAudioConfig(audio_config); |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 657 | } |
| 658 | |
| 659 | void start_session() { |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 660 | if (!is_hal_2_0_enabled()) { |
| 661 | LOG(ERROR) << __func__ << ": BluetoothAudio HAL is not enabled"; |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 662 | return; |
| 663 | } |
| 664 | a2dp_hal_clientif->StartSession(); |
| 665 | } |
| 666 | |
| 667 | void end_session() { |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 668 | if (!is_hal_2_0_enabled()) { |
| 669 | LOG(ERROR) << __func__ << ": BluetoothAudio HAL is not enabled"; |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 670 | return; |
| 671 | } |
| 672 | a2dp_hal_clientif->EndSession(); |
| 673 | } |
| 674 | |
| 675 | void ack_stream_started(const tA2DP_CTRL_ACK& ack) { |
| 676 | auto ctrl_ack = a2dp_ack_to_bt_audio_ctrl_ack(ack); |
| 677 | LOG(INFO) << __func__ << ": result=" << ctrl_ack; |
| 678 | auto pending_cmd = a2dp_sink->GetPendingCmd(); |
| 679 | if (pending_cmd == A2DP_CTRL_CMD_START) { |
| 680 | a2dp_hal_clientif->StreamStarted(ctrl_ack); |
| 681 | } else { |
| 682 | LOG(WARNING) << __func__ << ": pending=" << pending_cmd |
| 683 | << " ignore result=" << ctrl_ack; |
| 684 | return; |
| 685 | } |
| 686 | if (ctrl_ack != bluetooth::audio::BluetoothAudioCtrlAck::PENDING) { |
| 687 | a2dp_sink->ResetPendingCmd(); |
| 688 | } |
| 689 | } |
| 690 | |
| 691 | void ack_stream_suspended(const tA2DP_CTRL_ACK& ack) { |
| 692 | auto ctrl_ack = a2dp_ack_to_bt_audio_ctrl_ack(ack); |
| 693 | LOG(INFO) << __func__ << ": result=" << ctrl_ack; |
| 694 | auto pending_cmd = a2dp_sink->GetPendingCmd(); |
| 695 | if (pending_cmd == A2DP_CTRL_CMD_SUSPEND) { |
| 696 | a2dp_hal_clientif->StreamSuspended(ctrl_ack); |
| 697 | } else if (pending_cmd == A2DP_CTRL_CMD_STOP) { |
| 698 | LOG(INFO) << __func__ << ": A2DP_CTRL_CMD_STOP result=" << ctrl_ack; |
| 699 | } else { |
| 700 | LOG(WARNING) << __func__ << ": pending=" << pending_cmd |
| 701 | << " ignore result=" << ctrl_ack; |
| 702 | return; |
| 703 | } |
| 704 | if (ctrl_ack != bluetooth::audio::BluetoothAudioCtrlAck::PENDING) { |
| 705 | a2dp_sink->ResetPendingCmd(); |
| 706 | } |
| 707 | } |
| 708 | |
| 709 | // Read from the FMQ of BluetoothAudio HAL |
| 710 | size_t read(uint8_t* p_buf, uint32_t len) { |
Satish kumar sugasi | 6c1dec9 | 2019-02-07 14:40:35 -0800 | [diff] [blame] | 711 | if (!is_hal_2_0_enabled()) { |
| 712 | LOG(ERROR) << __func__ << ": BluetoothAudio HAL is not enabled"; |
| 713 | return 0; |
| 714 | } else if (session_type != SessionType::A2DP_SOFTWARE_ENCODING_DATAPATH) { |
| 715 | LOG(ERROR) << __func__ << ": session_type=" << toString(session_type) |
| 716 | << " is not A2DP_SOFTWARE_ENCODING_DATAPATH"; |
Cheney Ni | ad05f3e | 2018-11-08 16:41:02 +0800 | [diff] [blame] | 717 | return 0; |
| 718 | } |
| 719 | return a2dp_hal_clientif->ReadAudioData(p_buf, len); |
| 720 | } |
| 721 | |
| 722 | // Update A2DP delay report to BluetoothAudio HAL |
| 723 | void set_remote_delay(uint16_t delay_report) { |
| 724 | if (!is_hal_2_0_enabled()) { |
| 725 | LOG(INFO) << __func__ << ": not ready for DelayReport " |
| 726 | << static_cast<float>(delay_report / 10.0) << " ms"; |
| 727 | remote_delay = delay_report; |
| 728 | return; |
| 729 | } |
| 730 | LOG(INFO) << __func__ << ": DELAY " << static_cast<float>(delay_report / 10.0) |
| 731 | << " ms"; |
| 732 | a2dp_sink->SetRemoteDelay(delay_report); |
| 733 | } |
| 734 | |
| 735 | } // namespace a2dp |
| 736 | } // namespace audio |
| 737 | } // namespace bluetooth |