├── docs └── html │ ├── bc_s.png │ ├── bdwn.png │ ├── doc.png │ ├── open.png │ ├── closed.png │ ├── nav_f.png │ ├── nav_g.png │ ├── nav_h.png │ ├── sync_on.png │ ├── tab_a.png │ ├── tab_b.png │ ├── tab_h.png │ ├── tab_s.png │ ├── splitbar.png │ ├── sync_off.png │ ├── folderclosed.png │ ├── folderopen.png │ ├── search │ ├── classes_2.js │ ├── search_l.png │ ├── search_m.png │ ├── search_r.png │ ├── classes_3.js │ ├── classes_1.js │ ├── classes_4.js │ ├── classes_6.js │ ├── namespaces_0.js │ ├── pages_0.js │ ├── classes_8.js │ ├── all_0.js │ ├── all_d.js │ ├── functions_0.js │ ├── functions_d.js │ ├── classes_5.js │ ├── classes_9.js │ ├── classes_a.js │ ├── all_4.js │ ├── functions_4.js │ ├── all_2.js │ ├── functions_2.js │ ├── all_b.js │ ├── functions_b.js │ ├── searchdata.js │ ├── all_7.js │ ├── functions_7.js │ ├── functions_9.js │ ├── nomatches.html │ ├── all_9.js │ ├── all_3.js │ ├── functions_3.js │ ├── classes_7.js │ ├── all_c.js │ ├── functions_c.js │ ├── all_a.js │ ├── functions_a.js │ ├── all_5.js │ ├── all_6.js │ ├── functions_5.js │ ├── functions_6.js │ ├── close.svg │ ├── all_1.js │ ├── functions_1.js │ ├── all_0.html │ ├── all_1.html │ ├── all_2.html │ ├── all_3.html │ ├── all_4.html │ ├── all_5.html │ ├── all_6.html │ ├── all_7.html │ ├── all_8.html │ ├── all_9.html │ ├── all_a.html │ ├── all_b.html │ ├── all_c.html │ ├── all_d.html │ ├── pages_0.html │ ├── classes_0.html │ ├── classes_1.html │ ├── classes_2.html │ ├── classes_3.html │ ├── classes_4.html │ ├── classes_5.html │ ├── classes_6.html │ ├── classes_7.html │ ├── classes_8.html │ ├── classes_9.html │ ├── classes_a.html │ ├── functions_0.html │ ├── functions_1.html │ ├── functions_2.html │ ├── functions_3.html │ ├── functions_4.html │ ├── functions_5.html │ ├── functions_6.html │ ├── functions_7.html │ ├── functions_8.html │ ├── functions_9.html │ ├── functions_a.html │ ├── functions_b.html │ ├── functions_c.html │ ├── functions_d.html │ ├── namespaces_0.html │ ├── classes_0.js │ └── mag_sel.svg │ ├── class_snap_output.png │ ├── class_snap_processor.png │ ├── class_snap_time_sync.png │ ├── class_snap_output_simple.png │ ├── class_snap_output_tasks.png │ ├── class_snap_processor_tasks.png │ ├── class_snap_time_sync_fixed.png │ ├── class_snap_processor_r_t_o_s.png │ ├── class_snap_time_sync_dynamic.png │ ├── classsnap__arduino_1_1_snap_output.png │ ├── classsnap__arduino_1_1_snap_processor.png │ ├── classsnap__arduino_1_1_snap_time_sync.png │ ├── class_snap_time_sync_dynamic_since_start.png │ ├── classsnap__arduino_1_1_snap_time_sync_fixed.png │ ├── classsnap__arduino_1_1_snap_processor_buffered.png │ ├── classsnap__arduino_1_1_snap_processor_r_p2040.png │ ├── classsnap__arduino_1_1_snap_processor_r_t_o_s.png │ ├── classsnap__arduino_1_1_snap_time_sync_dynamic.png │ ├── classsnap__arduino_1_1_snap_time_sync_dynamic_since_start.png │ ├── menudata.js │ ├── menu.js │ ├── dir_da61e3e9a357748887e3ca8d7c5a0c16.html │ ├── dir_2666c81470adc64840ad535dbb7c3c8b.html │ ├── dir_a85da072069d9bd71d4ecf2c917a6bdd.html │ ├── dir_68267d1309a1af8e8297ef4c3efbcdba.html │ ├── structtime__message-members.html │ ├── structtv-members.html │ ├── structtv__t-members.html │ ├── structerror-members.html │ ├── structc_j_s_o_n___hooks-members.html │ ├── structtime__message.html │ ├── structsnap__arduino_1_1tv__t-members.html │ ├── structread__buffer__t-members.html │ ├── structwrite__buffer__t-members.html │ ├── structinternal__hooks-members.html │ ├── structwire__chunk__message-members.html │ ├── structcodec__header__message-members.html │ ├── struct_snap_message_time-members.html │ └── structerror.html ├── .gitignore ├── library.properties ├── examples ├── Tests │ ├── TestTime │ │ └── TestTime.ino │ ├── TestGetHttp │ │ └── TestGetHttp.ino │ └── TestOutput │ │ └── TestOutput.ino ├── SnapClientInternalDAC │ └── SnapClientInternalDAC.ino ├── SnapClientVS1053 │ └── SnapClientVS1053.ino ├── SnapClientI2S │ └── SnapClientI2S.ino ├── SnapClientAudioKit │ └── SnapClientAudioKit.ino ├── SnapClientFreeRTOS │ └── SnapClientFreeRTOS.ino ├── SnapClientRP2040 │ └── SnapClientRP2040.ino └── SnapClientEthernet │ └── SnapClientEthernet.ino ├── src ├── api │ ├── SnapLogger.h │ ├── SnapCommon.h │ ├── SnapProcessorBuffered.h │ ├── SnapTime.h │ └── SnapProcessorRP2040.h └── SnapConfig.h ├── CMakeLists.txt └── README.md /docs/html/bc_s.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/pschatzmann/arduino-snapclient/HEAD/docs/html/bc_s.png -------------------------------------------------------------------------------- /docs/html/bdwn.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/pschatzmann/arduino-snapclient/HEAD/docs/html/bdwn.png -------------------------------------------------------------------------------- /docs/html/doc.png: -------------------------------------------------------------------------------- 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"Pages" 26 | }; 27 | 28 | -------------------------------------------------------------------------------- /docs/html/search/all_7.js: -------------------------------------------------------------------------------- 1 | var searchData= 2 | [ 3 | ['playbackfactor_17',['playbackFactor',['../classsnap__arduino_1_1_snap_output.html#a6f02241f9435b0062580626d1894a573',1,'snap_arduino::SnapOutput']]], 4 | ['processext_18',['processExt',['../classsnap__arduino_1_1_snap_processor.html#a9ace7c86de0ecc5afd903ec1bddbcc70',1,'snap_arduino::SnapProcessor::processExt()'],['../classsnap__arduino_1_1_snap_processor_buffered.html#a9ace7c86de0ecc5afd903ec1bddbcc70',1,'snap_arduino::SnapProcessorBuffered::processExt()']]] 5 | ]; 6 | -------------------------------------------------------------------------------- /docs/html/search/functions_7.js: -------------------------------------------------------------------------------- 1 | var searchData= 2 | [ 3 | 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10 |
No Matches
11 |
12 | 13 | 14 | -------------------------------------------------------------------------------- /examples/Tests/TestTime/TestTime.ino: -------------------------------------------------------------------------------- 1 | #include "AudioTools.h" 2 | #include "SnapClient.h" 3 | #include "AudioTools/AudioCodecs/CodecOpus.h" 4 | 5 | OpusAudioDecoder opus; 6 | NullStream out; 7 | SnapClient client(out, opus); 8 | 9 | void setup() { 10 | Serial.begin(115200); 11 | // login to wifi 12 | WiFi.begin(CONFIG_WIFI_SSID, CONFIG_WIFI_PASSWORD); 13 | Serial.print("Connecting to WiFi .."); 14 | while (WiFi.status() != WL_CONNECTED) { 15 | Serial.print('.'); 16 | delay(1000); 17 | } 18 | 19 | client.setStartTask(false); 20 | client.begin(); 21 | } 22 | 23 | void loop() {} -------------------------------------------------------------------------------- /docs/html/search/all_9.js: -------------------------------------------------------------------------------- 1 | var searchData= 2 | [ 3 | ['task_5fcopy_66',['task_copy',['../classsnap__arduino_1_1_snap_processor_r_t_o_s.html#a2725cad0984c9c469b19fd065371fe69',1,'snap_arduino::SnapProcessorRTOS']]], 4 | ['time_67',['time',['../classsnap__arduino_1_1_snap_time.html#a0371cbc995b3b2f546215d4ebfc11ade',1,'snap_arduino::SnapTime']]], 5 | ['timedifferenceclientserverms_68',['timeDifferenceClientServerMs',['../classsnap__arduino_1_1_snap_time.html#a058d57baeeb43619ca44ee9342b6c70c',1,'snap_arduino::SnapTime']]], 6 | ['tv_5ft_69',['tv_t',['../structsnap__arduino_1_1tv__t.html',1,'snap_arduino']]] 7 | ]; 8 | -------------------------------------------------------------------------------- /examples/Tests/TestGetHttp/TestGetHttp.ino: -------------------------------------------------------------------------------- 1 | 2 | #include "AudioTools.h" 3 | #include "SnapClient.h" 4 | #include "AudioTools/AudioCodecs/CodecOpus.h" 5 | 6 | OpusAudioDecoder opus; 7 | NullStream out; 8 | SnapClient client(out,opus); 9 | 10 | void setup() { 11 | Serial.begin(115200); 12 | // login to wifi 13 | WiFi.begin(CONFIG_WIFI_SSID, CONFIG_WIFI_PASSWORD); 14 | Serial.print("Connecting to WiFi .."); 15 | while (WiFi.status() != WL_CONNECTED) { 16 | Serial.print('.'); 17 | delay(1000); 18 | } 19 | 20 | client.setStartOutput(false); 21 | client.begin(); 22 | } 23 | 24 | void loop() {} -------------------------------------------------------------------------------- /docs/html/search/all_3.js: -------------------------------------------------------------------------------- 1 | var searchData= 2 | [ 3 | ['doloop_5',['doLoop',['../classsnap__arduino_1_1_snap_processor.html#abdd99e468f667b748b0c9bfd395163d7',1,'snap_arduino::SnapProcessor::doLoop()'],['../classsnap__arduino_1_1_snap_client.html#abdd99e468f667b748b0c9bfd395163d7',1,'snap_arduino::SnapClient::doLoop()']]], 4 | ['doloop1_6',['doLoop1',['../classsnap__arduino_1_1_snap_processor.html#acd628840f7e43d32563552bda5f90689',1,'snap_arduino::SnapProcessor::doLoop1()'],['../classsnap__arduino_1_1_snap_processor_r_p2040.html#ac5e4b26fa498b1963ace4509ebf4b86e',1,'snap_arduino::SnapProcessorRP2040::doLoop1()']]] 5 | ]; 6 | -------------------------------------------------------------------------------- /src/api/SnapLogger.h: -------------------------------------------------------------------------------- 1 | /** 2 | * Logging: on the ESP32 we use the provided logger. On other platforms we write to stderr 3 | */ 4 | 5 | #pragma once 6 | 7 | #ifdef ESP32 8 | # include "esp_log.h" 9 | #else 10 | static char msg[100] = ": "; 11 | # define DEFAULT_LOG(...) { Serial.print(__PRETTY_FUNCTION__); snprintf((char*)msg+2, 100, __VA_ARGS__); Serial.println(msg); } 12 | # define ESP_LOGE(tag, ...) DEFAULT_LOG(__VA_ARGS__) 13 | # define ESP_LOGW(tag, ...) DEFAULT_LOG(__VA_ARGS__) 14 | # define ESP_LOGI(tag, ...) //DEFAULT_LOG(__VA_ARGS__) 15 | # define ESP_LOGD(tag, ...) //DEFAULT_LOG(__VA_ARGS__) 16 | #endif -------------------------------------------------------------------------------- /docs/html/search/functions_3.js: -------------------------------------------------------------------------------- 1 | var searchData= 2 | [ 3 | ['doloop_105',['doLoop',['../classsnap__arduino_1_1_snap_processor.html#abdd99e468f667b748b0c9bfd395163d7',1,'snap_arduino::SnapProcessor::doLoop()'],['../classsnap__arduino_1_1_snap_client.html#abdd99e468f667b748b0c9bfd395163d7',1,'snap_arduino::SnapClient::doLoop()']]], 4 | ['doloop1_106',['doLoop1',['../classsnap__arduino_1_1_snap_processor.html#acd628840f7e43d32563552bda5f90689',1,'snap_arduino::SnapProcessor::doLoop1()'],['../classsnap__arduino_1_1_snap_processor_r_p2040.html#ac5e4b26fa498b1963ace4509ebf4b86e',1,'snap_arduino::SnapProcessorRP2040::doLoop1()']]] 5 | ]; 6 | -------------------------------------------------------------------------------- /examples/Tests/TestOutput/TestOutput.ino: -------------------------------------------------------------------------------- 1 | #include "AudioTools.h" 2 | #include "SnapClient.h" 3 | #include "AudioTools/AudioCodecs/CodecOpus.h" 4 | 5 | OpusAudioDecoder opus; 6 | NullStream out; 7 | SnapClient client(out, opus); 8 | 9 | void setup() { 10 | Serial.begin(115200); 11 | 12 | // login to wifi 13 | WiFi.begin(CONFIG_WIFI_SSID, CONFIG_WIFI_PASSWORD); 14 | Serial.print("Connecting to WiFi .."); 15 | while (WiFi.status() != WL_CONNECTED) { 16 | Serial.print('.'); 17 | delay(1000); 18 | } 19 | 20 | // do not start http task 21 | client.setStartTask(false); 22 | client.begin(); 23 | } 24 | 25 | void loop() {} -------------------------------------------------------------------------------- /docs/html/search/classes_7.js: -------------------------------------------------------------------------------- 1 | var searchData= 2 | [ 3 | ['server_5fsettings_5fmessage_43',['server_settings_message',['../structserver__settings__message.html',1,'']]], 4 | ['snapaudioheader_44',['SnapAudioHeader',['../struct_snap_audio_header.html',1,'']]], 5 | ['snapclient_45',['SnapClient',['../class_snap_client.html',1,'']]], 6 | ['snapoutputsimple_46',['SnapOutputSimple',['../class_snap_output_simple.html',1,'']]], 7 | ['snapoutputtasks_47',['SnapOutputTasks',['../class_snap_output_tasks.html',1,'']]], 8 | ['snapprocessor_48',['SnapProcessor',['../class_snap_processor.html',1,'']]], 9 | ['snapprocessortasks_49',['SnapProcessorTasks',['../class_snap_processor_tasks.html',1,'']]] 10 | ]; 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10 | -------------------------------------------------------------------------------- /src/api/SnapCommon.h: -------------------------------------------------------------------------------- 1 | /** 2 | * Global Shared Objects 3 | */ 4 | 5 | #pragma once 6 | #include 7 | #include 8 | #include 9 | 10 | namespace snap_arduino { 11 | 12 | enum codec_type { NO_CODEC, PCM, FLAC, OGG, OPUS }; 13 | static const char *TAG="COMMON"; 14 | /** 15 | * @brief Information about the next bucket 16 | * @author Phil Schatzmann 17 | * @version 0.1 18 | * @date 2023-10-28 19 | * @copyright Copyright (c) 2023 20 | */ 21 | struct SnapAudioHeader { 22 | int32_t sec = 0; 23 | int32_t usec = 0; 24 | size_t size = 0; 25 | codec_type codec = NO_CODEC; 26 | 27 | uint64_t operator-(SnapAudioHeader &h1) { 28 | return (sec - h1.sec) * 1000000 + usec - h1.usec; 29 | } 30 | }; 31 | 32 | /// Recording of local_ms and server_ms 33 | struct SnapTimePoints { 34 | uint32_t local_ms = millis(); 35 | uint32_t server_ms; 36 | SnapTimePoints() = default; 37 | SnapTimePoints(uint32_t serverMs){ 38 | server_ms = serverMs; 39 | } 40 | }; 41 | 42 | 43 | inline void checkHeap() { 44 | #if CONFIG_CHECK_HEAP && defined(ESP32) 45 | heap_caps_check_integrity_all(true); 46 | #endif 47 | } 48 | 49 | inline void logHeap() { 50 | #ifdef ESP32 51 | ESP_LOGD(TAG, "Free Heap: %d / Free Heap PSRAM %d", ESP.getFreeHeap(), 52 | ESP.getFreePsram()); 53 | #endif 54 | } 55 | 56 | } 57 | -------------------------------------------------------------------------------- /examples/SnapClientInternalDAC/SnapClientInternalDAC.ino: -------------------------------------------------------------------------------- 1 | /** 2 | * @brief SnapClient with Opus decoder: OUtput to internal DAC on an ESP32 3 | * @author Phil Schatzmann 4 | * @copyright GPLv3 5 | */ 6 | 7 | #include "AudioTools.h" 8 | #include "SnapClient.h" 9 | #include "AudioTools/AudioCodecs/CodecOpus.h" 10 | 11 | #define ARDUINO_LOOP_STACK_SIZE (10 * 1024) 12 | 13 | OpusAudioDecoder opus; 14 | AnalogAudioStream out; 15 | WiFiClient wifi; 16 | SnapTimeSyncDynamic synch(172, 10); // optional configuratioin 17 | SnapClient client(wifi, out, opus); 18 | 19 | void setup() { 20 | Serial.begin(115200); 21 | 22 | // login to wifi -> Define values in SnapConfig.h or replace them here 23 | WiFi.begin(CONFIG_WIFI_SSID, CONFIG_WIFI_PASSWORD); 24 | Serial.print("Connecting to WiFi .."); 25 | while (WiFi.status() != WL_CONNECTED) { 26 | Serial.print('.'); 27 | delay(1000); 28 | } 29 | 30 | // print ip address 31 | Serial.println(); 32 | Serial.println(WiFi.localIP()); 33 | 34 | // initialize output 35 | auto cfg = out.defaultConfig(); 36 | //cfg.buffer_size = 512; 37 | //cfg.buffer_count = 6; 38 | out.begin(cfg); 39 | 40 | // Define CONFIG_SNAPCAST_SERVER_HOST in SnapConfig.h or here 41 | // client.setServerIP(IPAddress(192,168,1,38)); 42 | 43 | // start snap client 44 | client.begin(synch); 45 | } 46 | 47 | void loop() { 48 | client.doLoop(); 49 | } -------------------------------------------------------------------------------- /examples/SnapClientVS1053/SnapClientVS1053.ino: -------------------------------------------------------------------------------- 1 | /** 2 | * @brief SnapClient where the decoding is done by a VS1053 module. 3 | * This module supports: Ogg Vorbis / MP3 / AAC / WMA / FLAC / MIDI / WAV so 4 | * we can copy the received stream as is to the module. 5 | * DRAFT: not tested! 6 | * @author Phil Schatzmann 7 | * @copyright GPLv3 8 | */ 9 | #include "AudioTools.h" 10 | #include "SnapClient.h" 11 | #include "AudioTools/AudioLibs/VS1053Stream.h" 12 | 13 | 14 | VS1053Stream out; // final output 15 | WiFiClient wifi; 16 | SnapTimeSyncDynamic synch(172, 10); // optional configuratioin 17 | CopyDecoder codec; 18 | SnapClient client(wifi, out, codec); 19 | 20 | void setup() { 21 | Serial.begin(115200); 22 | 23 | // login to wifi -> Define values in SnapConfig.h or replace them here 24 | WiFi.begin(CONFIG_WIFI_SSID, CONFIG_WIFI_PASSWORD); 25 | Serial.print("Connecting to WiFi .."); 26 | while (WiFi.status() != WL_CONNECTED) { 27 | Serial.print('.'); 28 | delay(1000); 29 | } 30 | 31 | // print ip address 32 | Serial.println(); 33 | Serial.println(WiFi.localIP()); 34 | 35 | // use full volume of VS1053 36 | out.setVolume(1.0); 37 | 38 | // Define CONFIG_SNAPCAST_SERVER_HOST in SnapConfig.h or here 39 | // client.setServerIP(IPAddress(192,168,1,38)); 40 | 41 | // start snap client 42 | client.begin(synch); 43 | } 44 | 45 | void loop() { 46 | client.doLoop(); 47 | } -------------------------------------------------------------------------------- /docs/html/search/close.svg: -------------------------------------------------------------------------------- 1 | 2 | 13 | 15 | 16 | 18 | image/svg+xml 19 | 21 | 22 | 23 | 24 | 25 | 27 | 31 | 32 | -------------------------------------------------------------------------------- /examples/SnapClientI2S/SnapClientI2S.ino: -------------------------------------------------------------------------------- 1 | /** 2 | * @brief SnapClient with Opus decoder: I2S OUtput on an ESP32 3 | * @author Phil Schatzmann 4 | * @copyright GPLv3 5 | */ 6 | 7 | #include "AudioTools.h" 8 | #include "SnapClient.h" 9 | #include "AudioTools/AudioCodecs/CodecOpus.h" 10 | 11 | #define ARDUINO_LOOP_STACK_SIZE (10 * 1024) 12 | 13 | OpusAudioDecoder opus; 14 | I2SStream out; 15 | WiFiClient wifi; 16 | SnapTimeSyncDynamic synch(172, 10); // optional configuratioin 17 | SnapClient client(wifi, out, opus); 18 | 19 | void setup() { 20 | Serial.begin(115200); 21 | 22 | // login to wifi -> Define values in SnapConfig.h or replace them here 23 | WiFi.begin(CONFIG_WIFI_SSID, CONFIG_WIFI_PASSWORD); 24 | Serial.print("Connecting to WiFi .."); 25 | while (WiFi.status() != WL_CONNECTED) { 26 | Serial.print('.'); 27 | delay(1000); 28 | } 29 | 30 | // print ip address 31 | Serial.println(); 32 | Serial.println(WiFi.localIP()); 33 | 34 | // setup I2S to define custom pins 35 | auto cfg = out.defaultConfig(); 36 | cfg.pin_bck = 14; 37 | cfg.pin_ws = 15; 38 | cfg.pin_data = 22; 39 | //cfg.buffer_size = 512; 40 | //cfg.buffer_count = 6; 41 | out.begin(cfg); 42 | 43 | // Define CONFIG_SNAPCAST_SERVER_HOST in SnapConfig.h or here 44 | // client.setServerIP(IPAddress(192,168,1,38)); 45 | 46 | // start snap client 47 | client.begin(synch); 48 | } 49 | 50 | void loop() { 51 | client.doLoop(); 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6 | -------------------------------------------------------------------------------- /examples/SnapClientAudioKit/SnapClientAudioKit.ino: -------------------------------------------------------------------------------- 1 | /** 2 | * @brief SnapClient with Opus decoder: I2S Output to an ESP32 AudioKit 3 | * @author Phil Schatzmann 4 | * @copyright GPLv3 5 | */ 6 | #include "AudioTools.h" 7 | #include "SnapClient.h" 8 | #include "AudioTools/AudioLibs/AudioBoardStream.h" // install https://github.com/pschatzmann/arduino-audio-driver 9 | #include "AudioTools/AudioCodecs/CodecOpus.h" // https://github.com/pschatzmann/arduino-libopus 10 | 11 | #define ARDUINO_LOOP_STACK_SIZE (10 * 1024) 12 | 13 | AudioBoardStream out(AudioKitEs8388V1); 14 | //WAVDecoder pcm; 15 | OpusAudioDecoder opus; 16 | WiFiClient wifi; 17 | SnapTimeSyncDynamic synch(172, 10); // optional configuratioin 18 | SnapClient client(wifi, out, opus); 19 | 20 | void setup() { 21 | Serial.begin(115200); 22 | 23 | // login to wifi -> Define values in SnapConfig.h or replace them here 24 | WiFi.begin(CONFIG_WIFI_SSID, CONFIG_WIFI_PASSWORD); 25 | Serial.print("Connecting to WiFi .."); 26 | while (WiFi.status() != WL_CONNECTED) { 27 | Serial.print('.'); 28 | delay(1000); 29 | } 30 | 31 | // print ip address 32 | Serial.println(); 33 | Serial.println(WiFi.localIP()); 34 | 35 | // use full volume of kit - volume control done by client 36 | out.setVolume(1.0); 37 | 38 | // Define CONFIG_SNAPCAST_SERVER_HOST in SnapConfig.h or here 39 | // client.setServerIP(IPAddress(192,168,1,38)); 40 | 41 | // start snap client 42 | client.begin(synch); 43 | } 44 | 45 | void loop() { 46 | client.doLoop(); 47 | } -------------------------------------------------------------------------------- /docs/html/search/all_0.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
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36 | 37 | 38 | -------------------------------------------------------------------------------- /examples/SnapClientFreeRTOS/SnapClientFreeRTOS.ino: -------------------------------------------------------------------------------- 1 | #include "AudioTools.h" 2 | #include "SnapClient.h" 3 | #include "api/SnapProcessorRTOS.h" // install https://github.com/pschatzmann/arduino-freertos-addons 4 | #include "AudioTools/AudioLibs/AudioBoardStream.h" // install https://github.com/pschatzmann/arduino-audio-driver 5 | #include "AudioTools/AudioCodecs/CodecOpus.h" // https://github.com/pschatzmann/arduino-libopus 6 | 7 | 8 | AudioBoardStream out(AudioKitEs8388V1); // or replace with e.g. I2SStream out; 9 | //WAVDecoder pcm; 10 | OpusAudioDecoder opus; 11 | WiFiClient wifi; 12 | SnapProcessorRTOS rtos(1024*8); // define queue with 8 kbytes 13 | SnapTimeSyncDynamic synch(172, 10); // optional configuratioin 14 | SnapClient client(wifi, out, opus); 15 | 16 | void setup() { 17 | Serial.begin(115200); 18 | 19 | // login to wifi -> Define values in SnapConfig.h or replace them here 20 | WiFi.begin(CONFIG_WIFI_SSID, CONFIG_WIFI_PASSWORD); 21 | Serial.print("Connecting to WiFi .."); 22 | while (WiFi.status() != WL_CONNECTED) { 23 | Serial.print('.'); 24 | delay(1000); 25 | } 26 | 27 | // initialize output 28 | auto cfg = out.defaultConfig(); 29 | //cfg.buffer_size = 512; 30 | //cfg.buffer_count = 6; 31 | out.begin(cfg); 32 | 33 | // print ip address 34 | Serial.println(); 35 | Serial.println(WiFi.localIP()); 36 | 37 | // use full volume of kit - volume control done by client 38 | out.setVolume(1.0); 39 | 40 | // Use FreeRTOS 41 | client.setSnapProcessor(rtos); 42 | 43 | // Define CONFIG_SNAPCAST_SERVER_HOST in SnapConfig.h or here 44 | //client.setServerIP(IPAddress(192,168,1,33)); 45 | 46 | // start snap client 47 | client.begin(synch); 48 | } 49 | 50 | 51 | void loop() { 52 | client.doLoop(); 53 | } -------------------------------------------------------------------------------- /src/SnapConfig.h: -------------------------------------------------------------------------------- 1 | #pragma once 2 | 3 | // activate extended functionality 4 | 5 | #ifndef CONFIG_SNAPCLIENT_SNTP_ENABLE 6 | # define CONFIG_SNAPCLIENT_SNTP_ENABLE false 7 | #endif 8 | #ifndef CONFIG_SNAPCLIENT_USE_MDNS 9 | # define CONFIG_SNAPCLIENT_USE_MDNS true 10 | #endif 11 | #ifndef CONFIG_NVS_FLASH 12 | # define CONFIG_NVS_FLASH false 13 | #endif 14 | #ifndef CONFIG_CHECK_HEAP 15 | # define CONFIG_CHECK_HEAP false 16 | #endif 17 | 18 | // snapcast parameters; 19 | #ifndef CONFIG_SNAPCAST_SERVER_HOST 20 | # define CONFIG_SNAPCAST_SERVER_HOST "192.168.1.33" 21 | #endif 22 | #ifndef CONFIG_SNAPCAST_SERVER_PORT 23 | # define CONFIG_SNAPCAST_SERVER_PORT 1704 24 | #endif 25 | #ifndef CONFIG_SNAPCAST_BUFF_LEN 26 | # define CONFIG_SNAPCAST_BUFF_LEN 1024 27 | #endif 28 | #ifndef CONFIG_SNAPCAST_CLIENT_NAME 29 | # define CONFIG_SNAPCAST_CLIENT_NAME "arduino-snapclient" 30 | #endif 31 | #ifndef CONFIG_SNTP_SERVER 32 | # define CONFIG_SNTP_SERVER "pool.ntp.org" 33 | #endif 34 | #ifndef CONFIG_CLIENT_TIMEOUT_SEC 35 | # define CONFIG_CLIENT_TIMEOUT_SEC 5 36 | #endif 37 | #ifndef CONFIG_PROCESSING_TIME_MS 38 | # define CONFIG_PROCESSING_TIME_MS -172 39 | #endif 40 | #ifndef CONFIG_STREAMIN_DECODER_BUFFER 41 | # define CONFIG_STREAMIN_DECODER_BUFFER (12 * 1024) 42 | #endif 43 | 44 | // wifi 45 | #ifndef CONFIG_WIFI_SSID 46 | # define CONFIG_WIFI_SSID "piratnet" 47 | #endif 48 | #ifndef CONFIG_WIFI_PASSWORD 49 | # define CONFIG_WIFI_PASSWORD "12341234" 50 | #endif 51 | 52 | // FreeRTOS - max number of entries in the queue 53 | #ifndef RTOS_MAX_QUEUE_ENTRY_COUNT 54 | # define RTOS_MAX_QUEUE_ENTRY_COUNT 200 55 | #endif 56 | 57 | #ifndef RTOS_STACK_SIZE 58 | # define RTOS_STACK_SIZE 10 * 1024 59 | #endif 60 | 61 | #ifndef RTOS_TASK_PRIORITY 62 | # define RTOS_TASK_PRIORITY 2 63 | #endif 64 | 65 | #ifndef SNAP_NO_NAMESPACE 66 | namespace snap_arduino {} 67 | using namespace snap_arduino; 68 | #endif -------------------------------------------------------------------------------- /examples/SnapClientRP2040/SnapClientRP2040.ino: -------------------------------------------------------------------------------- 1 | /** 2 | * @brief SnapClient with Opus decoder: Wifi processing is on core 0, decoding and 3 | * i2s output is on core 1. 4 | * @author Phil Schatzmann 5 | * @copyright GPLv3 6 | */ 7 | 8 | #include "AudioTools.h" 9 | #include "AudioTools/AudioCodecs/CodecOpus.h" 10 | #include "SnapClient.h" 11 | #include "api/SnapProcessorRP2040.h" 12 | 13 | I2SStream out; 14 | OpusAudioDecoder opus; 15 | WiFiClient wifi; 16 | //SnapTimeSyncDynamic synch(172, 10); // optional configuratioin 17 | SnapClient client(wifi, out, opus); 18 | SnapProcessorRP2040 processor_rp2040(1024*8); // define OPUS queue with 8 kbytes 19 | 20 | void setup() { 21 | Serial.begin(115200); 22 | AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info); 23 | while(!Serial); 24 | Serial.println("starting..."); 25 | 26 | // login to wifi -> Define values in SnapConfig.h or replace them here 27 | WiFi.begin("ssid", "password"); 28 | Serial.print("Connecting to WiFi .."); 29 | while (WiFi.status() != WL_CONNECTED) { 30 | Serial.print('.'); 31 | delay(1000); 32 | } 33 | 34 | // print ip address 35 | Serial.println(); 36 | Serial.println(WiFi.localIP()); 37 | 38 | // Define CONFIG_SNAPCAST_SERVER_HOST in SnapConfig.h or here 39 | client.setServerIP(IPAddress(192,168,1,44)); 40 | client.setSnapProcessor(processor_rp2040); 41 | 42 | // start snap client 43 | client.begin(); 44 | Serial.println("started"); 45 | } 46 | 47 | void loop() { 48 | // fill queue 49 | client.doLoop(); 50 | } 51 | 52 | void setup1(){ 53 | // setup I2S to define custom pins 54 | auto cfg = out.defaultConfig(); 55 | //cfg.pin_bck = 14; 56 | //cfg.pin_ws = 15; 57 | //cfg.pin_data = 22; 58 | cfg.sample_rate = 48000; 59 | cfg.buffer_size = 1024; 60 | cfg.buffer_count = 4; 61 | out.begin(cfg); 62 | } 63 | 64 | void loop1(){ 65 | // trigger output from queue 66 | processor_rp2040.doLoop1(); 67 | } -------------------------------------------------------------------------------- /examples/SnapClientEthernet/SnapClientEthernet.ino: -------------------------------------------------------------------------------- 1 | // Example for EthernetClient: We just test the output by reporting the received data bytes 2 | 3 | #include 4 | #include 5 | #include "AudioTools.h" 6 | #include "SnapClient.h" 7 | 8 | EthernetClient eth; 9 | MeasuringStream out{10, &Serial}; // log ever 10 writes 10 | CopyDecoder codec; 11 | SnapClient client(eth, out, codec); 12 | byte mac[] = {0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED}; 13 | //IPAddress ip(192, 168, 1, 177); 14 | //IPAddress gateway(192, 168, 1, 1); 15 | //IPAddress dns(8, 8, 8, 8); 16 | 17 | 18 | void setup() { 19 | Serial.begin(115200); 20 | while(!Serial); 21 | Serial.println("setup"); 22 | 23 | // example for rp2040 24 | SPI.setMISO(16); 25 | SPI.setMOSI(19); 26 | SPI.setSCK(18); 27 | SPI.setCS(17); 28 | SPI.begin(17); // use default pins$ 29 | 30 | // start the Ethernet connection: 31 | Ethernet.init(17); 32 | Ethernet.begin(mac); 33 | //Ethernet.begin(mac, ip, dns, gateway); 34 | 35 | // Check for Ethernet hardware present 36 | if (Ethernet.hardwareStatus() == EthernetNoHardware) { 37 | Serial.println("Ethernet shield was not found. Sorry, can't run without hardware. :("); 38 | while (true); 39 | } 40 | 41 | // Check link status 42 | if (Ethernet.linkStatus() == LinkOFF) { 43 | Serial.println("Ethernet cable is not connected."); 44 | } 45 | Serial.print("local IP: "); 46 | Serial.println(Ethernet.localIP()); 47 | 48 | // wait for link 49 | Serial.println("waiting for link..."); 50 | while(Ethernet.linkStatus()!=LinkON){ 51 | delay(10); 52 | } 53 | 54 | // Define CONFIG_SNAPCAST_SERVER_HOST in SnapConfig.h or here 55 | client.setServerIP(IPAddress(192, 168, 1, 44)); 56 | 57 | // start snap client 58 | if (!client.begin()) { 59 | Serial.print("Could not connect to snap server"); 60 | while (true); 61 | } 62 | 63 | out.setReportBytes(true); 64 | Serial.println("setup success"); 65 | } 66 | 67 | void loop() { client.doLoop(); } -------------------------------------------------------------------------------- /docs/html/search/classes_0.js: -------------------------------------------------------------------------------- 1 | var searchData= 2 | [ 3 | ['snapaudioheader_77',['SnapAudioHeader',['../structsnap__arduino_1_1_snap_audio_header.html',1,'snap_arduino']]], 4 | ['snapclient_78',['SnapClient',['../classsnap__arduino_1_1_snap_client.html',1,'snap_arduino']]], 5 | ['snapmessagebase_79',['SnapMessageBase',['../structsnap__arduino_1_1_snap_message_base.html',1,'snap_arduino']]], 6 | ['snapmessagecodecheader_80',['SnapMessageCodecHeader',['../structsnap__arduino_1_1_snap_message_codec_header.html',1,'snap_arduino']]], 7 | ['snapmessagehallo_81',['SnapMessageHallo',['../structsnap__arduino_1_1_snap_message_hallo.html',1,'snap_arduino']]], 8 | ['snapmessageserversettings_82',['SnapMessageServerSettings',['../structsnap__arduino_1_1_snap_message_server_settings.html',1,'snap_arduino']]], 9 | ['snapmessagetime_83',['SnapMessageTime',['../structsnap__arduino_1_1_snap_message_time.html',1,'snap_arduino']]], 10 | ['snapmessagewirechunk_84',['SnapMessageWireChunk',['../structsnap__arduino_1_1_snap_message_wire_chunk.html',1,'snap_arduino']]], 11 | ['snapoutput_85',['SnapOutput',['../classsnap__arduino_1_1_snap_output.html',1,'snap_arduino']]], 12 | ['snapprocessor_86',['SnapProcessor',['../classsnap__arduino_1_1_snap_processor.html',1,'snap_arduino']]], 13 | ['snapprocessorbuffered_87',['SnapProcessorBuffered',['../classsnap__arduino_1_1_snap_processor_buffered.html',1,'snap_arduino']]], 14 | ['snapprocessorrp2040_88',['SnapProcessorRP2040',['../classsnap__arduino_1_1_snap_processor_r_p2040.html',1,'snap_arduino']]], 15 | ['snapprocessorrtos_89',['SnapProcessorRTOS',['../classsnap__arduino_1_1_snap_processor_r_t_o_s.html',1,'snap_arduino']]], 16 | ['snapreadbuffer_90',['SnapReadBuffer',['../structsnap__arduino_1_1_snap_read_buffer.html',1,'snap_arduino']]], 17 | ['snaptime_91',['SnapTime',['../classsnap__arduino_1_1_snap_time.html',1,'snap_arduino']]], 18 | ['snaptimepoints_92',['SnapTimePoints',['../structsnap__arduino_1_1_snap_time_points.html',1,'snap_arduino']]], 19 | ['snaptimesync_93',['SnapTimeSync',['../classsnap__arduino_1_1_snap_time_sync.html',1,'snap_arduino']]], 20 | ['snaptimesyncdynamic_94',['SnapTimeSyncDynamic',['../classsnap__arduino_1_1_snap_time_sync_dynamic.html',1,'snap_arduino']]], 21 | ['snaptimesyncdynamicsincestart_95',['SnapTimeSyncDynamicSinceStart',['../classsnap__arduino_1_1_snap_time_sync_dynamic_since_start.html',1,'snap_arduino']]], 22 | ['snaptimesyncfixed_96',['SnapTimeSyncFixed',['../classsnap__arduino_1_1_snap_time_sync_fixed.html',1,'snap_arduino']]], 23 | ['snapwritebuffer_97',['SnapWriteBuffer',['../structsnap__arduino_1_1_snap_write_buffer.html',1,'snap_arduino']]] 24 | ]; 25 | -------------------------------------------------------------------------------- /docs/html/search/mag_sel.svg: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 19 | 21 | 22 | 24 | image/svg+xml 25 | 27 | 28 | 29 | 30 | 31 | 33 | 57 | 63 | 69 | 74 | 75 | -------------------------------------------------------------------------------- /src/api/SnapProcessorBuffered.h: -------------------------------------------------------------------------------- 1 | #pragma once 2 | #include "SnapOutput.h" 3 | 4 | namespace snap_arduino { 5 | 6 | /** 7 | * @brief Processor for which the encoded output is buffered in a ringbuffer in 8 | * order to prevent any buffer underruns. 9 | * @author Phil Schatzmann 10 | * @version 0.1 11 | * @date 2024-03-04 12 | * @copyright Copyright (c) 2024 13 | */ 14 | class SnapProcessorBuffered : public SnapProcessor { 15 | public: 16 | /// Default constructor 17 | SnapProcessorBuffered(int buffer_size, int activationAtPercent = 75) 18 | : SnapProcessor() { 19 | buffer.resize(buffer_size); 20 | active_percent = activationAtPercent; 21 | } 22 | 23 | bool begin() override { 24 | // regular begin logic 25 | bool result = SnapProcessor::begin(); 26 | // empty buffer 27 | buffer.reset(); 28 | sizes.reset(); 29 | is_active = false; 30 | return result; 31 | } 32 | 33 | /// fill buffer 34 | size_t writeAudio(const uint8_t *data, size_t size) override { 35 | if (size > buffer.size()) { 36 | ESP_LOGE(TAG, "The buffer is too small. Use a multiple of %d", size); 37 | stop(); 38 | } 39 | sizes.write(size); 40 | size_t result = buffer.writeArray(data, size); 41 | ESP_LOGI(TAG, "size: %zu / buffer %d", size, buffer.available()); 42 | 43 | if (result != size) 44 | ESP_LOGE(TAG, "Could not buffer all data %d->%d", size, result); 45 | 46 | return result; 47 | } 48 | 49 | /// Decode from buffer 50 | virtual void processExt() { 51 | if (isBufferActive()) { 52 | int16_t step_size = sizes.read(); 53 | if (step_size > 0) { 54 | uint8_t tmp[step_size]; 55 | int size_eff = buffer.readArray(tmp, step_size); 56 | int size_written = SnapProcessor::writeAudio(tmp, size_eff); 57 | if (size_written != size_eff) { 58 | ESP_LOGE(TAG, "Could not write all data %d->%d", size_eff, 59 | size_written); 60 | } 61 | } 62 | } 63 | delay(1); 64 | } 65 | 66 | protected: 67 | const char *TAG = "SnapProcessorBuffered"; 68 | RingBuffer buffer{0}; 69 | RingBuffer sizes{RTOS_MAX_QUEUE_ENTRY_COUNT}; 70 | bool is_active = false; 71 | int active_percent; 72 | 73 | bool isBufferActive() { 74 | if (!is_active) { 75 | if (buffer.available() >= bufferTaskActivationLimit()) { 76 | is_active = true; 77 | } 78 | } 79 | return is_active; 80 | } 81 | 82 | /// Determines the buffer fill limit at which we start to process the data 83 | int bufferTaskActivationLimit() { 84 | return static_cast(active_percent) / 100.0 * buffer.size(); 85 | } 86 | }; 87 | 88 | } // namespace snap_arduino 89 | -------------------------------------------------------------------------------- /CMakeLists.txt: -------------------------------------------------------------------------------- 1 | cmake_minimum_required(VERSION 3.16) 2 | 3 | # set the project name 4 | project(snapclient) 5 | 6 | # we use FetchContent to install 7 | include(FetchContent) 8 | 9 | set(CMAKE_CXX_STANDARD 17) 10 | 11 | # Disable Portaudio 12 | option(ADD_PORTAUDIO "Do not use Portaudio" OFF) 13 | option(BUILD_SHARED_LIBS "Build using shared libraries" OFF) 14 | 15 | set(CODEC "opus" CACHE STRING "codec selected by the user") 16 | set_property(CACHE CODEC PROPERTY STRINGS flac ogg opus pcm) 17 | 18 | 19 | # lots of warnings and all warnings as errors ? 20 | ## add_compile_options(-Wall -Wextra ) 21 | 22 | # audio tools 23 | FetchContent_Declare(arduino-audio-tools GIT_REPOSITORY https://github.com/pschatzmann/arduino-audio-tools.git GIT_TAG main ) 24 | FetchContent_GetProperties(arduino-audio-tools) 25 | if(NOT arduino-audio-tools_POPULATED) 26 | FetchContent_Populate(arduino-audio-tools) 27 | add_subdirectory(${arduino-audio-tools_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR}/arduino-audio-tools) 28 | endif() 29 | 30 | # opus 31 | FetchContent_Declare(arduino_libopus GIT_REPOSITORY https://github.com/pschatzmann/arduino-libopus.git GIT_TAG main ) 32 | FetchContent_GetProperties(arduino_libopus) 33 | if(NOT arduino_libopus_POPULATED) 34 | FetchContent_Populate(arduino_libopus) 35 | add_subdirectory(${arduino_libopus_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR}/arduino_libopus) 36 | endif() 37 | 38 | # flac 39 | if(CODEC==flac) 40 | FetchContent_Declare(arduino_libflac GIT_REPOSITORY https://github.com/pschatzmann/arduino-libflac.git GIT_TAG main ) 41 | FetchContent_GetProperties(arduino_libflac) 42 | if(NOT arduino_libflac_POPULATED) 43 | FetchContent_Populate(arduino_libflac) 44 | add_subdirectory(${arduino_libflac_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR}/arduino_libflac) 45 | endif() 46 | endif() 47 | 48 | # ogg 49 | if(CODEC==ogg) 50 | FetchContent_Declare(arduino_libvorbis GIT_REPOSITORY https://github.com/pschatzmann/arduino-libvorbis-idec GIT_TAG main ) 51 | FetchContent_GetProperties(arduino_libvorbis) 52 | if(NOT arduino_libvorbis_POPULATED) 53 | FetchContent_Populate(arduino_libvorbis) 54 | add_subdirectory(${arduino_libvorbis_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR}/arduino_libvorbis) 55 | endif() 56 | endif() 57 | 58 | 59 | add_library(snapclient INTERFACE) 60 | 61 | # define location for header files 62 | target_include_directories(snapclient INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/src ) 63 | 64 | # specify libraries 65 | if(CODEC==opus) 66 | target_link_libraries(snapclient INTERFACE arduino-audio-tools arduino_emulator arduino_libopus) 67 | endif() 68 | if(CODEC==flac) 69 | target_link_libraries(snapclient INTERFACE arduino-audio-tools arduino_emulator arduino_libopus arduino_libflac) 70 | endif() 71 | if(CODEC==ogg) 72 | target_link_libraries(snapclient INTERFACE arduino-audio-tools arduino_emulator arduino_libopus arduino_libvorbis) 73 | endif() 74 | 75 | target_compile_definitions(snapclient INTERFACE -DARDUINO -DEXIT_ON_STOP -DIS_DESKTOP -DCONFIG_USE_RTOS=0 -DCONFIG_USE_PSRAM=0 -DCONFIG_SNAPCLIENT_SNTP_ENABLE=0 -DCONFIG_SNAPCLIENT_USE_MDNS=0) 76 | 77 | 78 | -------------------------------------------------------------------------------- /docs/html/menudata.js: -------------------------------------------------------------------------------- 1 | /* 2 | @licstart The following is the entire license notice for the JavaScript code in this file. 3 | 4 | The MIT License (MIT) 5 | 6 | Copyright (C) 1997-2020 by Dimitri van Heesch 7 | 8 | Permission is hereby granted, free of charge, to any person obtaining a copy of this software 9 | and associated documentation files (the "Software"), to deal in the Software without restriction, 10 | including without limitation the rights to use, copy, modify, merge, publish, distribute, 11 | sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is 12 | furnished to do so, subject to the following conditions: 13 | 14 | The above copyright notice and this permission notice shall be included in all copies or 15 | substantial portions of the Software. 16 | 17 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 18 | BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 19 | NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 20 | DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 22 | 23 | @licend The above is the entire license notice for the JavaScript code in this file 24 | */ 25 | var menudata={children:[ 26 | {text:"Main Page",url:"index.html"}, 27 | {text:"Namespaces",url:"namespaces.html",children:[ 28 | {text:"Namespace List",url:"namespaces.html"}]}, 29 | {text:"Classes",url:"annotated.html",children:[ 30 | {text:"Class List",url:"annotated.html"}, 31 | {text:"Class Index",url:"classes.html"}, 32 | {text:"Class Hierarchy",url:"hierarchy.html"}, 33 | {text:"Class Members",url:"functions.html",children:[ 34 | {text:"All",url:"functions.html",children:[ 35 | {text:"a",url:"functions.html#index_a"}, 36 | {text:"b",url:"functions.html#index_b"}, 37 | {text:"c",url:"functions.html#index_c"}, 38 | {text:"d",url:"functions.html#index_d"}, 39 | {text:"e",url:"functions.html#index_e"}, 40 | {text:"g",url:"functions.html#index_g"}, 41 | {text:"i",url:"functions.html#index_i"}, 42 | {text:"p",url:"functions.html#index_p"}, 43 | {text:"s",url:"functions.html#index_s"}, 44 | {text:"t",url:"functions.html#index_t"}, 45 | {text:"u",url:"functions.html#index_u"}, 46 | {text:"v",url:"functions.html#index_v"}, 47 | {text:"w",url:"functions.html#index_w"}, 48 | {text:"~",url:"functions.html#index__7E"}]}, 49 | {text:"Functions",url:"functions_func.html",children:[ 50 | {text:"a",url:"functions_func.html#index_a"}, 51 | {text:"b",url:"functions_func.html#index_b"}, 52 | {text:"c",url:"functions_func.html#index_c"}, 53 | {text:"d",url:"functions_func.html#index_d"}, 54 | {text:"e",url:"functions_func.html#index_e"}, 55 | {text:"g",url:"functions_func.html#index_g"}, 56 | {text:"i",url:"functions_func.html#index_i"}, 57 | {text:"p",url:"functions_func.html#index_p"}, 58 | {text:"s",url:"functions_func.html#index_s"}, 59 | {text:"t",url:"functions_func.html#index_t"}, 60 | {text:"u",url:"functions_func.html#index_u"}, 61 | {text:"v",url:"functions_func.html#index_v"}, 62 | {text:"w",url:"functions_func.html#index_w"}, 63 | {text:"~",url:"functions_func.html#index__7E"}]}]}]}, 64 | {text:"Files",url:"files.html",children:[ 65 | {text:"File List",url:"files.html"}]}]} 66 | -------------------------------------------------------------------------------- /docs/html/menu.js: -------------------------------------------------------------------------------- 1 | /* 2 | @licstart The following is the entire license notice for the JavaScript code in this file. 3 | 4 | The MIT License (MIT) 5 | 6 | Copyright (C) 1997-2020 by Dimitri van Heesch 7 | 8 | Permission is hereby granted, free of charge, to any person obtaining a copy of this software 9 | and associated documentation files (the "Software"), to deal in the Software without restriction, 10 | including without limitation the rights to use, copy, modify, merge, publish, distribute, 11 | sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is 12 | furnished to do so, subject to the following conditions: 13 | 14 | The above copyright notice and this permission notice shall be included in all copies or 15 | substantial portions of the Software. 16 | 17 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 18 | BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 19 | NONINFRINGEMENT. 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    78 | 79 | 80 | -------------------------------------------------------------------------------- /src/api/SnapTime.h: -------------------------------------------------------------------------------- 1 | #pragma once 2 | #include "AudioTools/CoreAudio/AudioBasic/Collections/Vector.h" 3 | #include 4 | #include 5 | 6 | namespace snap_arduino { 7 | 8 | /** 9 | * @brief The the sys/time functions are used to represent the server time. 10 | * The local time will be measured with the help of the Arduino millis() method. 11 | * This class provides the basic functionality to translate between local and server time. 12 | * @author Phil Schatzmann 13 | * @version 0.1 14 | * @date 2023-10-28 15 | * @copyright Copyright (c) 2023 16 | */ 17 | class SnapTime { 18 | public: 19 | static SnapTime &instance() { 20 | static SnapTime self; 21 | return self; 22 | } 23 | 24 | /// Provides the actual time as timeval 25 | timeval time() { 26 | timeval result; 27 | int rc = gettimeofday(&result, NULL); 28 | if (rc) { 29 | uint32_t ms = millis(); 30 | result.tv_sec = ms / 1000; 31 | result.tv_usec = (ms - (result.tv_sec * 1000)) * 1000; 32 | } 33 | return result; 34 | } 35 | 36 | /// Provides the current server time in ms 37 | uint32_t serverMillis() { 38 | return toMillis(server_time) - server_ms + millis() - 39 | timeDifferenceClientServerMs(); 40 | } 41 | 42 | uint32_t localMillis() { return toMillis(time()); } 43 | 44 | /// Provides the avg latecy in milliseconds 45 | int timeDifferenceClientServerMs() { 46 | int result = time_diff; 47 | assert(result == time_diff); 48 | return result; 49 | } 50 | 51 | uint32_t toMillis(timeval tv) { return toMillis(tv.tv_sec, tv.tv_usec); } 52 | 53 | inline uint32_t toMillis(uint32_t sec, uint32_t usec) { 54 | return sec * 1000 + (usec / 1000); 55 | } 56 | 57 | bool printLocalTime(const char *msg) { 58 | const timeval val = time(); 59 | auto *tm_result = gmtime(&val.tv_sec); 60 | 61 | char str[80]; 62 | strftime(str, 80, "%d-%m-%Y %H-%M-%S", tm_result); 63 | ESP_LOGI(TAG, "%s: Time is %s", msg, str); 64 | return true; 65 | } 66 | 67 | /// Record the last time difference between client and server 68 | void setTimeDifferenceClientServerMs(uint32_t diff) { 69 | time_diff = diff; 70 | time_update_count++; 71 | } 72 | 73 | // updates the time difference between the local and server time 74 | void updateServerTime(timeval &server) { 75 | server_ms = millis(); 76 | server_time = server; 77 | } 78 | 79 | // Calculat the difference between 2 timeval 80 | timeval timeDifference(timeval t1, timeval t2) { 81 | timeval result; 82 | timersub(&t1, &t2, &result); 83 | return result; 84 | } 85 | 86 | // Calculat the difference between 2 timeval -> result in ms 87 | uint32_t timeDifferenceMs(timeval t1, timeval t2) { 88 | timeval result; 89 | timersub(&t1, &t2, &result); 90 | return toMillis(result); 91 | } 92 | 93 | #ifdef ESP32 94 | void setupSNTPTime() { 95 | ESP_LOGD(TAG, "start"); 96 | const char *ntpServer = CONFIG_SNTP_SERVER; 97 | const long gmtOffset_sec = 1 * 60 * 60; 98 | const int daylightOffset_sec = 1 * 60 * 60; 99 | for (int retry = 0; retry < 5; retry++) { 100 | configTime(gmtOffset_sec, daylightOffset_sec, ntpServer); 101 | tm time; 102 | if (!getLocalTime(&time)) { 103 | continue; 104 | } 105 | SnapTime::instance().printLocalTime("SNTP"); 106 | has_sntp_time = true; 107 | break; 108 | } 109 | } 110 | #endif 111 | 112 | protected: 113 | const char *TAG = "SnapTime"; 114 | uint32_t time_diff = 0; 115 | uint32_t server_ms = 0; 116 | uint32_t local_ms; 117 | uint32_t time_update_count = 0; 118 | timeval server_time; 119 | bool has_sntp_time = false; 120 | 121 | }; 122 | 123 | } 124 | -------------------------------------------------------------------------------- /docs/html/structc_j_s_o_n___hooks-members.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | arduino-snapclient: Member List 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
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    78 | 79 | 80 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Snapcast Client for Arduino 2 | 3 | ### Snapcast Audio Streaming Client for Arduino 4 | 5 | [Snapcast](https://github.com/badaix/snapcast) is a multiroom client-server audio player, where all clients are time synchronized with the server to play perfectly synced audio 6 | 7 | ### Feature list 8 | 9 | - Header only C++ implementation 10 | - PCM, Opus decoding is supported 11 | - Auto connect to snapcast server on network 12 | - The functionality has been tested on an ESP32 13 | - Memory efficient implementation, so that PSRAM is not needed 14 | - Use any output device or DSP chain suppored by the [Audio Tools](https://github.com/pschatzmann/arduino-audio-tools) 15 | - Flexible design so that you can choose from different processor implementations and synchronizers. 16 | 17 | The disadvantage of these goals is, that you need to fine tune the solution to have it working as you want. 18 | 19 | ### Description 20 | 21 | I have rewritten the [snapclient](https://github.com/jorgenkraghjakobsen/snapclient) from Jørgen Kragh Jakobsen to an Arduino Library and integrated my AudioTools project to be used to define the output devices. 22 | 23 | ### Example Arduino Sketch 24 | 25 | Here is an example Arduino sketch that uses the Wifi as communication API, the WAVs codec and outputs the audio with I2S: 26 | 27 | ```C++ 28 | #include "AudioTools.h" 29 | #include "SnapClient.h" 30 | #include "AudioTools/AudioCodecs/CodecOpus.h" // https://github.com/pschatzmann/arduino-libopus 31 | //#include "api/SnapProcessorRTOS.h" // install https://github.com/pschatzmann/arduino-freertos-addons 32 | 33 | OpusAudioDecoder codec; 34 | WiFiClient wifi; 35 | I2SStream out; 36 | SnapClient client(wifi, out, codec); 37 | 38 | void setup() { 39 | Serial.begin(115200); 40 | 41 | // login to wifi -> Define values in SnapConfig.h or replace them here 42 | WiFi.begin(CONFIG_WIFI_SSID, CONFIG_WIFI_PASSWORD); 43 | Serial.print("Connecting to WiFi .."); 44 | while (WiFi.status() != WL_CONNECTED) { 45 | Serial.print('.'); 46 | delay(1000); 47 | } 48 | 49 | // print ip address 50 | Serial.println(); 51 | Serial.println(WiFi.localIP()); 52 | 53 | // setup I2S to define custom pins 54 | auto cfg = out.defaultConfig(); 55 | config.pin_bck = 14; 56 | config.pin_ws = 15; 57 | config.pin_data = 22; 58 | // cfg.buffer_size = 512; 59 | // cfg.buffer_count = 40; 60 | out.begin(cfg); 61 | 62 | // Use FreeRTOS 63 | //client.setSnapProcessor(rtos); 64 | 65 | // Define CONFIG_SNAPCAST_SERVER_HOST in SnapConfig.h or here 66 | // client.setServerIP(IPAddress(192,168,1,33)); 67 | 68 | // start snap client 69 | client.begin(); 70 | } 71 | 72 | void loop() { 73 | client.doLoop(); 74 | } 75 | 76 | ``` 77 | Change the snapserver.conf to define ```codec = opus``` and restart the snapserver with ```sudo service snapserver restart```. 78 | You can test now your sketch e.g. with ```ffmpeg -i http://stream.srg-ssr.ch/m/rsj/mp3_128 -f s16le -ar 48000 /tmp/snapfifo``` 79 | 80 | For further information on codecs please check the information in the Wiki! 81 | 82 | 83 | ### Documentation 84 | 85 | For further information 86 | - consult the [class documentation](https://pschatzmann.github.io/arduino-snapclient/html/annotated.html) or 87 | - the [examples](examples/) 88 | - the Wiki 89 | 90 | 91 | ### Dependencies 92 | 93 | - [Audio Tools](https://github.com/pschatzmann/arduino-audio-tools) (mandatory) 94 | - [LibOpus](https://github.com/pschatzmann/arduino-libopus) (optional) 95 | - [LibFLAC.h](https://github.com/pschatzmann/arduino-libflac) (optinal) 96 | - [CodecVorbis](https://github.com/pschatzmann/arduino-libvorbis-idec) (optional) 97 | 98 | 99 | ### Configuration 100 | 101 | Configuration settings can be found in [SnapConfig.h](https://github.com/pschatzmann/arduino-snapcast/blob/main/src/SnapConfig.h) 102 | 103 | 104 | -------------------------------------------------------------------------------- /docs/html/structtime__message.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | arduino-snapclient: time_message Struct Reference 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
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    79 | 80 | 81 | -------------------------------------------------------------------------------- /src/api/SnapProcessorRP2040.h: -------------------------------------------------------------------------------- 1 | #pragma once 2 | #include "AudioTools/Concurrency/RP2040.h" 3 | #include "SnapOutput.h" 4 | 5 | namespace snap_arduino { 6 | 7 | /** 8 | * @brief Processor for which the encoded output is buffered in a queue. The decoding and 9 | * audio output can be done on the second core by calling loop1(); 10 | * 11 | * @author Phil Schatzmann 12 | * @version 0.1 13 | * @date 2024-02-26 14 | * @copyright Copyright (c) 2023 15 | */ 16 | class SnapProcessorRP2040 : public SnapProcessor { 17 | public: 18 | /// Default constructor 19 | SnapProcessorRP2040(SnapOutput &output, int bufferSizeBytes, int activationAtPercent = 75) 20 | : SnapProcessor(output) { 21 | active_percent = activationAtPercent; 22 | initQueues(bufferSizeBytes); 23 | } 24 | /// Default constructor 25 | SnapProcessorRP2040(int bufferSizeBytes, int activationAtPercent = 75) 26 | : SnapProcessor() { 27 | active_percent = activationAtPercent; 28 | initQueues(bufferSizeBytes); 29 | } 30 | 31 | bool begin() override { 32 | ESP_LOGW(TAG, "begin: %d", buffer_count * 1024); 33 | // regular begin logic 34 | bool result = SnapProcessor::begin(); 35 | 36 | // allocate buffer 37 | buffer.setBlockingRead(true); 38 | buffer.setBlockingWrite(true); 39 | buffer.resize(buffer_count * 1024); 40 | 41 | // we need to read back the buffer with the written sizes 42 | size_queue.resize(RTOS_MAX_QUEUE_ENTRY_COUNT); 43 | 44 | is_active = false; 45 | return result; 46 | } 47 | 48 | void end(void) override { 49 | size_queue.clear(); 50 | buffer.reset(); 51 | SnapProcessor::end(); 52 | } 53 | 54 | bool doLoop1() override { 55 | ESP_LOGD(TAG, "doLoop1 %d / %d", size_queue.available(), buffer.available()); 56 | if (!isBufferActive()) return true; 57 | 58 | size_t size = 0; 59 | if (size_queue.readArray(&size, 1)) { 60 | uint8_t data[size]; 61 | int read = buffer.readArray(data, size); 62 | if (read != size){ 63 | ESP_LOGE(TAG, "readArray failed %d -> %d", size, read); 64 | } 65 | int written = p_snap_output->audioWrite(data, size); 66 | if (written != size) { 67 | ESP_LOGE(TAG, "write error: %d of %d", written, size); 68 | } 69 | } 70 | return true; 71 | } 72 | 73 | protected: 74 | const char *TAG = "SnapProcessorRP2040"; 75 | audio_tools::BufferRP2040T size_queue{1, 0}; 76 | audio_tools::BufferRP2040T buffer{1024, 0}; // size defined in begin 77 | int buffer_count = 0; 78 | bool is_active = false; 79 | int active_percent = 0; 80 | 81 | bool isBufferActive() { 82 | if (!is_active && buffer.available()>0) { 83 | 84 | int limit = buffer.size() * active_percent / 100; 85 | if (buffer.available() >= limit) { 86 | LOGI("Setting buffer active"); 87 | is_active = true; 88 | } 89 | delay(10); 90 | } 91 | return is_active; 92 | } 93 | 94 | /// store parameters provided by constructor 95 | void initQueues(int bufferSizeBytes) { 96 | buffer_count = bufferSizeBytes / 1024; 97 | if (buffer_count <= 2){ 98 | buffer_count = 2; 99 | } 100 | } 101 | 102 | /// Writes the encoded audio data to a queue 103 | size_t writeAudio(const uint8_t *data, size_t size) override { 104 | 105 | if (size > buffer.size()) { 106 | ESP_LOGE(TAG, "The buffer is too small with %d. Use a multiple of %d", buffer.size(), size); 107 | stop(); 108 | } 109 | 110 | ESP_LOGI(TAG, "size: %zu / buffer %d", size, buffer.available()); 111 | if (!p_snap_output->isStarted() || size == 0) { 112 | ESP_LOGW(TAG, "not started"); 113 | return 0; 114 | } 115 | 116 | if (!p_snap_output->synchronizePlayback()) { 117 | return size; 118 | } 119 | 120 | if (!size_queue.writeArray(&size, 1)) { 121 | ESP_LOGW(TAG, "size_queue full"); 122 | return 0; 123 | } 124 | 125 | size_t size_written = buffer.writeArray(data, size); 126 | if (size_written != size) { 127 | ESP_LOGE(TAG, "buffer-overflow"); 128 | } 129 | 130 | return size; 131 | } 132 | }; 133 | 134 | } // namespace snap_arduino 135 | -------------------------------------------------------------------------------- /docs/html/structcodec__header__message-members.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | arduino-snapclient: Member List 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
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