CANVAS VIDEO

From: AceVest Date: Sun, 17 Jan 2021 12:36:20 +0000 (+0800) Subject: ... X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/doc/roff.3.ps?a=commitdiff_plain;h=6b1e3b7379043a2b54964101229061cfbe082901;p=acecode.git ... --- diff --git a/projects/audio_stream/audioweb/canvas.html b/projects/audio_stream/audioweb/canvas.html new file mode 100644 index 0000000..06d1810 --- /dev/null +++ b/projects/audio_stream/audioweb/canvas.html @@ -0,0 +1,92 @@ + + + + + + CANVAS VIDEO + + + + +

+ + + + + diff --git a/projects/audio_stream/audioweb/go.mod b/projects/audio_stream/audioweb/go.mod new file mode 100644 index 0000000..89d2f2a --- /dev/null +++ b/projects/audio_stream/audioweb/go.mod @@ -0,0 +1,5 @@ +module audioweb + +go 1.13 + +require github.com/gorilla/websocket v1.4.2 diff --git a/projects/audio_stream/audioweb/go.sum b/projects/audio_stream/audioweb/go.sum new file mode 100644 index 0000000..85efffd --- /dev/null +++ b/projects/audio_stream/audioweb/go.sum @@ -0,0 +1,2 @@ +github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc= +github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE= diff --git a/projects/audio_stream/audioweb/main.go b/projects/audio_stream/audioweb/main.go new file mode 100644 index 0000000..e0ece94 --- /dev/null +++ b/projects/audio_stream/audioweb/main.go @@ -0,0 +1,174 @@ +/* + * ------------------------------------------------------------------------ + * File Name: main.go + * Author: Zhao Yanbai + * 2021-01-16 23:01:01 Saturday CST + * Description: none + * ------------------------------------------------------------------------ + */ + +package main + +import ( + "fmt" + "html/template" + "log" + "net/http" + "time" + + "github.com/gorilla/websocket" +) + +var upgrader = websocket.Upgrader{ + ReadBufferSize: 102400, + WriteBufferSize: 102400, + + // è§£å³è·¨åé®é¢ + CheckOrigin: func(r *http.Request) bool { + return true + }, +} + +var frameChan chan []byte + +func init() { + frameChan = make(chan []byte, 8) +} + +const ( + partBOUNDARY = "123456789000000000000987654321" + streamContentType = "multipart/x-mixed-replace;boundary=" + partBOUNDARY + streamBoundary = "\r\n--" + partBOUNDARY + "\r\n" + streamPart = "Content-Type: image/jpeg\r\nContent-Length: %d\r\n\r\n" +) + +func watchHandler(w http.ResponseWriter, r *http.Request) { + var err error + w.Header().Set("Content-Type", streamContentType) + w.Header().Set("Access-Control-Allow-Origin", "*") + + flusher, _ := w.(http.Flusher) + + for i := 0; ; i++ { + var data []byte + select { + case data = <-frameChan: + fmt.Fprintf(w, "%v", streamBoundary) + fmt.Fprintf(w, streamPart, i) + _, err = w.Write(data) + flusher.Flush() + if err != nil { + break + } + default: + continue + } + + } +} + +func audioHandler(w http.ResponseWriter, r *http.Request) { + var err error + var ws *websocket.Conn + + log.Printf("audio\n") + ws, err = upgrader.Upgrade(w, r, nil) + if err != nil { + log.Printf("err: %v", err) + return + } + + defer ws.Close() + + for { + t, p, e := ws.ReadMessage() + log.Printf("type %v data len %v err %v", t, len(p), e) + if e != nil { + break + } + + if len(p) < 100 { + continue + } + + + /* + data := make([]byte, len(p)/2, len(p)/2) + k := 0 + for i :=0; i +#include +#include +#include "freertos/FreeRTOS.h" +#include "freertos/task.h" +#include "driver/i2s.h" +#include "esp_system.h" + +#define SAMPLE_RATE (8000) + +using namespace websockets; + +typedef struct { + const char *name; + const char *pwd; +} WiFiItem_t; + +const char* websockets_server_host = "10.0.0.6"; +const uint16_t websockets_server_port = 80; + +WiFiItem_t WiFiTable[] = { + { "WiFiName1", "" }, + { "WiFiName2", "12345678" }, + { "WiFiName3", "87654321" } +}; + +const unsigned int WiFiCnt = sizeof(WiFiTable) / sizeof(WiFiItem_t); + +WebsocketsClient client; +WiFiMulti wifiMulti; + + +void setup_wifi() { + + for (uint8_t t = 3; t > 0; t--) { + Serial.printf("[SETUP] WAIT %d...\n", t); + Serial.flush(); + delay(1000); + } + + + for (uint8_t i = 0; i < WiFiCnt; i++) { + Serial.printf("Add AP %s %s\n", WiFiTable[i].name, WiFiTable[i].pwd); + wifiMulti.addAP(WiFiTable[i].name, WiFiTable[i].pwd); + } + +} + + + +void setup_max9841() { + i2s_config_t i2s_config = { + .mode = (i2s_mode_t)(I2S_MODE_MASTER | I2S_MODE_RX | I2S_MODE_TX | I2S_MODE_DAC_BUILT_IN | I2S_MODE_ADC_BUILT_IN), + .sample_rate = SAMPLE_RATE, + .bits_per_sample = I2S_BITS_PER_SAMPLE_16BIT, + .channel_format = I2S_CHANNEL_FMT_RIGHT_LEFT, + .communication_format = (i2s_comm_format_t)(I2S_COMM_FORMAT_I2S | I2S_COMM_FORMAT_I2S_MSB), + .intr_alloc_flags = 0, + .dma_buf_count = 16, + .dma_buf_len = 60 + }; + + + Serial.println("using ADC_builtin"); + i2s_driver_install(I2S_NUM_0, &i2s_config, 0, NULL); + + // GPIO36, VP + i2s_set_adc_mode(ADC_UNIT_1, ADC1_CHANNEL_0); +} + +const int audioBufSize = 1024; +char audioBufA[audioBufSize]; +//char audioBufB[audioBufSize]; +char *curtAudioBuf = audioBufA; + + +bool webSocketConnected = false; + +void capture_audio(void *args) { + //while(1) { + i2s_read_bytes(I2S_NUM_0, (char *)curtAudioBuf, audioBufSize, portMAX_DELAY); + + // åªè¦åå£°éæ°æ® + uint16_t *buf = (uint16_t *)curtAudioBuf; + int to = 0; + for (int i = 0; i < audioBufSize / 2; i += 2) { + buf[to] = buf[i]; + to++; + } + if (webSocketConnected && client.available()) { + Serial.println("before send"); + client.sendBinary((const char *)curtAudioBuf, audioBufSize / 2); + Serial.println("read and send audio data"); + } else { + if(!webSocketConnected) { + Serial.println("websocket not connected"); + } + if(client.available()) { + Serial.println("client not available"); + } + } + //} +} + + + +void setup() { + Serial.begin(115200); + + setup_max9841(); + + setup_wifi(); +} + +void loop() { + + uint8_t wifiState = wifiMulti.run(); + if ((wifiState != WL_CONNECTED)) { + Serial.printf("[WiFi] connected to wifi failed. ret %d\n", wifiState); + delay(1000); + return; + } + + if (client.available()) { + capture_audio(0); + client.poll(); + } else { + Serial.println("Connected to Wifi, Connecting to server."); + + webSocketConnected = client.connect(websockets_server_host, websockets_server_port, "/audio"); + if (webSocketConnected) { + Serial.println("Connected!"); + } else { + Serial.println("Not Connected!"); + } + + // run callback when messages are received + client.onMessage([&](WebsocketsMessage message) { + Serial.print("Got Message: "); + Serial.println(message.data()); + }); + } +} diff --git a/projects/esp32_video_stream/esp32cam/esp32cam.ino b/projects/esp32_video_stream/esp32cam/esp32cam.ino index e75acc5..b450b34 100644 --- a/projects/esp32_video_stream/esp32cam/esp32cam.ino +++ b/projects/esp32_video_stream/esp32cam/esp32cam.ino @@ -14,7 +14,6 @@ const char* websockets_server_host = "10.0.0.6"; const uint16_t websockets_server_port = 80; WiFiItem_t WiFiTable[] = { - { "AceNetGear2G", "acewifipwdis123" }, { "WiFiName1", "" }, { "WiFiName2", "12345678" }, { "WiFiName3", "87654321" }