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This commit adds Published Audio Capabilities Service/Prifile. In pair ble_audio_codec module is added, that supports registering supported codecs with their corresponding configurations.
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
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| #ifndef H_BLE_AUDIO_CODEC_ | ||
| #define H_BLE_AUDIO_CODEC_ | ||
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| #include "stdint.h" | ||
| #include "ble_audio_common.h" | ||
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| #define BLE_AUDIO_CODEC_FLAG_SOURCE 0x01 | ||
| #define BLE_AUDIO_CODEC_FLAG_SINK 0x02 | ||
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| /** Codec list entry */ | ||
| struct ble_audio_codec_record { | ||
| /* Pointer to next codec list entry */ | ||
| STAILQ_ENTRY(ble_audio_codec_record) next; | ||
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| /* Codec ID */ | ||
| struct ble_audio_codec_id codec_id; | ||
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| /* Length of Codec Specific Capabilities */ | ||
| uint8_t codec_spec_caps_len; | ||
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| /* Codec Specific Capabilities data */ | ||
| const uint8_t *codec_spec_caps; | ||
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| /* Metadata length */ | ||
| uint8_t metadata_len; | ||
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| /* Metadata */ | ||
| const uint8_t *metadata; | ||
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| /* Codec entry flags. It is any combination of following flags: | ||
| * - BLE_AUDIO_CODEC_FLAG_SOURCE | ||
| * - BLE_AUDIO_CODEC_FLAG_SINK | ||
| */ | ||
| uint8_t flags; | ||
| }; | ||
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| /** Type definition codec iteration callback function. */ | ||
| typedef int ble_audio_codec_foreach_fn(const struct ble_audio_codec_record *record, void *arg); | ||
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| struct ble_audio_codec_register_params { | ||
| /* Codec ID structure */ | ||
| struct ble_audio_codec_id codec_id; | ||
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| /* Codec Specific Capabilities length */ | ||
| uint8_t codec_spec_caps_len; | ||
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| /* Codec Specific Capabilities data */ | ||
| uint8_t *codec_spec_caps; | ||
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| /* Metadata length */ | ||
| uint8_t metadata_len; | ||
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| /* Metadata */ | ||
| uint8_t *metadata; | ||
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| /* Codec entry flags. It is any combination of following flags: | ||
| * - BLE_AUDIO_CODEC_FLAG_SOURCE | ||
| * - BLE_AUDIO_CODEC_FLAG_SINK | ||
| */ | ||
| uint8_t flags; | ||
| }; | ||
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| /** | ||
| * @brief Register codec entry | ||
| * | ||
| * @param[in] params Pointer to a `ble_audio_codec_register_params` | ||
| * structure that defines Codec Specific Capabilities | ||
| * @param[in] cb Function used to parse Codec | ||
| * Specific Capabilities | ||
| * @param[in] cb_arg Optional callback argument. | ||
| * @param[out] out_record Pointer to registered codec entry. | ||
| * | ||
| * @return 0 on success; | ||
| * A non-zero value on failure. | ||
| */ | ||
| int ble_audio_codec_register(const struct ble_audio_codec_register_params | ||
| *params, | ||
| struct ble_audio_codec_record *out_record); | ||
| /** | ||
| * @brief Remove codec entry from register | ||
| * | ||
| * @param[in] codec_record Pointer to registered codec entry. | ||
| * | ||
| * @return 0 on success; | ||
| * A non-zero value on failure. | ||
| */ | ||
| int ble_audio_codec_unregister(struct ble_audio_codec_record *codec_record); | ||
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| /** | ||
| * @brief Iterate through all registered codecs and call function on every | ||
| * one of them. | ||
| * | ||
| * @param[in] cb Callback to be called on codec entries. | ||
| * @param[in] arg Optional callback argument. | ||
| * @param[in] flags Codec entry flags. It is any | ||
| * combination of following flags: | ||
| * - BLE_AUDIO_CODEC_FLAG_SOURCE | ||
| * - BLE_AUDIO_CODEC_FLAG_SINK | ||
| * This filters entries so the callback is called | ||
| * only on these that match the flag. | ||
| * | ||
| * @return 0 on success; | ||
| * A non-zero value on failure. | ||
| */ | ||
| int ble_audio_codec_foreach(uint8_t flags, ble_audio_codec_foreach_fn *cb, void *arg); | ||
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| #endif /* H_BLE_AUDIO_CODEC_ */ |
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42 changes: 42 additions & 0 deletions
42
nimble/host/services/audio/pacs/include/services/pacs/ble_audio_svc_pacs.h
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
|
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| #ifndef H_BLE_AUDIO_SVC_PACS_ | ||
| #define H_BLE_AUDIO_SVC_PACS_ | ||
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| #define BLE_SVC_AUDIO_PACS_UUID16 0x1850 | ||
| #define BLE_SVC_AUDIO_PACS_CHR_UUID16_SINK_PAC 0x2BC9 | ||
| #define BLE_SVC_AUDIO_PACS_CHR_UUID16_SINK_AUDIO_LOCATIONS 0x2BCA | ||
| #define BLE_SVC_AUDIO_PACS_CHR_UUID16_SOURCE_PAC 0x2BCB | ||
| #define BLE_SVC_AUDIO_PACS_CHR_UUID16_SOURCE_AUDIO_LOCATIONS 0x2BCC | ||
| #define BLE_SVC_AUDIO_PACS_CHR_UUID16_AVAILABLE_AUDIO_CONTEXTS 0x2BCD | ||
| #define BLE_SVC_AUDIO_PACS_CHR_UUID16_SUPPORTED_AUDIO_CONTEXTS 0x2BCE | ||
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| struct ble_svc_audio_pacs_set_param { | ||
| uint32_t audio_locations; | ||
| uint16_t supported_contexts; | ||
| }; | ||
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| int ble_svc_audio_pacs_set(uint8_t flags, struct ble_svc_audio_pacs_set_param *param); | ||
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| int ble_svc_audio_pacs_set_avail_contexts(uint16_t conn_handle, | ||
| uint16_t sink_contexts, | ||
| uint16_t source_contexts); | ||
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| #endif /* H_BLE_AUDIO_SVC_PACS_ */ |
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nimble/host/services/audio/pacs/lc3/include/services/pacs/ble_audio_svc_pacs_lc3.h
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
|
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| #ifndef H_BLE_AUDIO_SVC_PACS_LC3_ | ||
| #define H_BLE_AUDIO_SVC_PACS_LC3_ | ||
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| int ble_svc_audio_pacs_lc3_set_avail_contexts(uint16_t conn_handle, | ||
| uint16_t sink_contexts, | ||
| uint16_t source_contexts); | ||
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| #endif /* H_BLE_AUDIO_SVC_PACS_LC3_ */ |
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| # Licensed to the Apache Software Foundation (ASF) under one | ||
| # or more contributor license agreements. See the NOTICE file | ||
| # distributed with this work for additional information | ||
| # regarding copyright ownership. The ASF licenses this file | ||
| # to you under the Apache License, Version 2.0 (the | ||
| # "License"); you may not use this file except in compliance | ||
| # with the License. You may obtain a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, | ||
| # software distributed under the License is distributed on an | ||
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| # KIND, either express or implied. See the License for the | ||
| # specific language governing permissions and limitations | ||
| # under the License. | ||
|
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| pkg.name: nimble/host/services/audio/pacs/lc3 | ||
| pkg.description: LC3 codec entry for Published Audio Capabilities Service | ||
| pkg.author: "Apache Mynewt <[email protected]>" | ||
| pkg.homepage: "http://mynewt.apache.org/" | ||
| pkg.keywords: | ||
| - ble | ||
| - bluetooth | ||
| - pacs | ||
| - nimble | ||
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| pkg.deps: | ||
| - nimble/host/services/audio/pacs | ||
| - nimble/host | ||
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| pkg.init: | ||
| ble_svc_audio_pacs_lc3_init: 'MYNEWT_VAL(BLE_SVC_AUDIO_PACS_LC3_SYSINIT_STAGE)' |
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