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Gao Wei
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‎LICENSE‎

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Espressif Modified MIT License
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Copyright (c) 2025 Espressif Systems (Shanghai) CO., LTD
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Permission is hereby granted for use EXCLUSIVELY with Espressif Systems products.
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This includes the right to use, copy, modify, merge, publish, distribute, and sublicense
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the Software, subject to the following conditions:
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1. This Software MUST BE USED IN CONJUNCTION WITH ESPRESSIF SYSTEMS PRODUCTS.
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2. The above copyright notice and this permission notice shall be included in all copies
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or substantial portions of the Software.
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3. Redistribution of the Software in source or binary form FOR USE WITH NON-ESPRESSIF PRODUCTS
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is strictly prohibited.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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FOR ANY CLAIM, DAMAGES, OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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SPDX-License-Identifier: LicenseRef-Espressif-Modified-MIT

‎examples/basic_examples/pipeline_play_embed_music/main/esp_embed_tone.h‎

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/*
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* ESPRESSIF MIT License
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*
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* Copyright (c) 2025 <ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD>
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*
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* Permission is hereby granted for use on all ESPRESSIF SYSTEMS products, in which case,
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* it is free of charge, to any person obtaining a copy of this software and associated
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* documentation files (the "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the Software is furnished
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* to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or
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* substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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* SPDX-FileCopyrightText: 2025 Espressif Systems (Shanghai) CO., LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once

‎examples/basic_examples/pipeline_play_embed_music/main/play_embed_music.c‎

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/* Play MP3 file from SD Card
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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/*
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* SPDX-FileCopyrightText: 2025 Espressif Systems (Shanghai) CO., LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <string.h>
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#include "esp_err.h"
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#include "freertos/FreeRTOS.h"

‎examples/basic_examples/pipeline_play_sdcard_music/main/play_sdcard_music.c‎

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/*
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* ESPRESSIF MIT License
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*
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* Copyright (c) 2025 <ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD>
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*
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* Permission is hereby granted for use on all ESPRESSIF SYSTEMS products, in which case,
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* it is free of charge, to any person obtaining a copy of this software and associated
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* documentation files (the "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the Software is furnished
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* to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or
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* substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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* SPDX-FileCopyrightText: 2025 Espressif Systems (Shanghai) CO., LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <string.h>

‎examples/basic_examples/pipeline_record_sdcard/main/play_record_sdcard.c‎

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/* Record MP3 file from SD Card
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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/*
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* SPDX-FileCopyrightText: 2025 Espressif Systems (Shanghai) CO., LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <string.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/event_groups.h"

‎examples/esp_audio_simple_player/LICENSE‎

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MIT License
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Espressif Modified MIT License
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Copyright (c) 2025 <ESPRESSIF SYSTEMS (SHANGHAI) CO.，LTD>
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Copyright (c) 2025 Espressif Systems (Shanghai) CO., LTD
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5-
Permission is hereby granted for use on all ESPRESSIF SYSTEMS products, in which case,
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it is free of charge, to any person obtaining a copy of this software and associated
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documentation files (the "Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the Software is furnished
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to do so, subject to the following conditions:
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Permission is hereby granted for use EXCLUSIVELY with Espressif Systems products.
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This includes the right to use, copy, modify, merge, publish, distribute, and sublicense
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the Software, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all copies or
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substantial portions of the Software.
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1. This Software MUST BE USED IN CONJUNCTION WITH ESPRESSIF SYSTEMS PRODUCTS.
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2. The above copyright notice and this permission notice shall be included in all copies
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or substantial portions of the Software.
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3. Redistribution of the Software in source or binary form FOR USE WITH NON-ESPRESSIF PRODUCTS
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is strictly prohibited.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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FOR ANY CLAIM, DAMAGES, OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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SPDX-License-Identifier: LicenseRef-Espressif-Modified-MIT

‎examples/esp_audio_simple_player/include/esp_audio_simple_player.h‎

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/*
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* ESPRESSIF MIT License
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*
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* Copyright (c) 2025 <ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD>
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*
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* Permission is hereby granted for use on all ESPRESSIF SYSTEMS products, in which case,
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* it is free of charge, to any person obtaining a copy of this software and associated
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* documentation files (the "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the Software is furnished
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* to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or
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* substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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* SPDX-FileCopyrightText: 2025 Espressif Systems (Shanghai) CO., LTD
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* SPDX-License-Identifier: LicenseRef-Espressif-Modified-MIT
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*
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* See LICENSE file for details.
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*/
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#pragma once

‎examples/esp_audio_simple_player/include/esp_audio_simple_player_advance.h‎

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/*
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* ESPRESSIF MIT License
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*
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* Copyright (c) 2025 <ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD>
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*
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* Permission is hereby granted for use on all ESPRESSIF SYSTEMS products, in which case,
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* it is free of charge, to any person obtaining a copy of this software and associated
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* documentation files (the "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the Software is furnished
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* to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or
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* substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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* SPDX-FileCopyrightText: 2025 Espressif Systems (Shanghai) CO., LTD
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* SPDX-License-Identifier: LicenseRef-Espressif-Modified-MIT
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*
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* See LICENSE file for details.
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*/
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#pragma once

‎examples/esp_audio_simple_player/src/audio_simple_player_pool.c‎

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/*
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* ESPRESSIF MIT License
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*
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* Copyright (c) 2025 <ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD>
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*
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* Permission is hereby granted for use on all ESPRESSIF SYSTEMS products, in which case,
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* it is free of charge, to any person obtaining a copy of this software and associated
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* documentation files (the "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
10-
* and/or sell copies of the Software, and to permit persons to whom the Software is furnished
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* to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or
14-
* substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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* SPDX-FileCopyrightText: 2025 Espressif Systems (Shanghai) CO., LTD
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* SPDX-License-Identifier: LicenseRef-Espressif-Modified-MIT
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*
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* See LICENSE file for details.
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*/
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#include <string.h>

‎examples/esp_audio_simple_player/src/audio_simple_player_pool.h‎

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/*
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* ESPRESSIF MIT License
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*
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* Copyright (c) 2025 <ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD>
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*
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* Permission is hereby granted for use on all ESPRESSIF SYSTEMS products, in which case,
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* it is free of charge, to any person obtaining a copy of this software and associated
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* documentation files (the "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the Software is furnished
11-
* to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or
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* substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
19-
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
20-
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21-
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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* SPDX-FileCopyrightText: 2025 Espressif Systems (Shanghai) CO., LTD
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* SPDX-License-Identifier: LicenseRef-Espressif-Modified-MIT
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*
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* See LICENSE file for details.
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*/
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#pragma once

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