ESP32-RTSPServer

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ESP32-RTSPServer

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Esp32 Multiple Client RTSP Server with Video, Audio & Subtitles

ESP32-RTSPServer 최신버젼 다운로드

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# ESP32-RTSPServer

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## Support This Project

If this library has been useful to you, please consider donating or sponsoring to support its development and maintenance. Your contributions help ensure that this project continues to improve and stay up-to-date, and also support future projects.

[![](https://img.shields.io/static/v1?label=Sponsor&message=%E2%9D%A4&logo=GitHub&color=%23fe8e86)](https://github.com/sponsors/rjsachse)

Thank you for your support!

## Overview
ESP32-RTSPServer Library is for the ESP32, designed to stream video, audio, and subtitles. This library allows you to easily create an RTSP server for streaming multimedia content using an ESP32. It supports various transport types and integrates with the ESP32 camera and I2S audio interfaces.

## Features
- **Authentication**: Able to set user and password for RTSP Stream
- **Multiple Clients**: Multiple clients for multicast or for all transports with a define override
- **Video Streaming**: Stream video from the ESP32 camera.
- **Audio Streaming**: Stream audio using I2S.
- **Subtitles**: Stream subtitles alongside video and audio.
- **Transport Types**: Supports multiple transport types, including video-only, audio-only, and combined streams.
- **Protocols**: Stream multicast, unicast UDP, TCP and HTTP Tunnel (TCP and HTTP is Slower).

## Test Results with OV2460 on ESP32S3

| Resolution | Frame Rate |
|------------|------------|
| QQVGA      | 50 Fps     |
| QCIF       | 50 Fps     |
| HQVGA      | 50 Fps     |
| 240X240    | 50 Fps     |
| QVGA       | 50 Fps     |
| CIF        | 50 Fps     |
| HVGA       | 50 Fps     |
| VGA        | 25 Fps     |
| SVGA       | 25 Fps     |
| XGA        | 12.5 Fps   |
| HD         | 12.5 Fps   |
| SXGA       | 12.5 Fps   |
| UXGA       | 5 Fps      |

## Prerequisites
This library requires the ESP32 Arduino core by Espressif. Ensure you have at least version 3.1.1 installed.

## Installation
1. **Manual Installation**:
   - Download the library from [GitHub](https://github.com/rjsachse/ESP32-RTSPServer).
   - Unzip the downloaded file.
   - Move the `ESP32-RTSPServer` folder to your Arduino libraries directory (usually `Documents/Arduino/libraries`).

2. **Library Manager**:
   - Open the Arduino IDE.
   - Search for ESP32-RTSPServer
   - or
   - Go to `Sketch` -> `Include Library` -> `Add .ZIP Library...`.
   - Select the downloaded `ESP32-RTSPServer.zip` file.

## Usage
### Include the Library
Basic Setup
```cpp
#include "RTSPConfig.h" // Include a RTSPConfig.h file if want to change defined options
#include <ESP32-RTSPServer.h>

// Include all other libraries and setups eg Camera, Audio

// RTSPServer instance
RTSPServer rtspServer;

// Can set a username and password for RTSP authentication or leave blank for no authentication
const char *rtspUser = "";
const char *rtspPassword = "";

// Task handles
TaskHandle_t videoTaskHandle = NULL; 
TaskHandle_t audioTaskHandle = NULL; 
TaskHandle_t subtitlesTaskHandle = NULL; // Optional

void getFrameQuality() { 
  sensor_t * s = esp_camera_sensor_get(); 
  quality = s->status.quality; 
  Serial.printf("Camera Quality is: %d\n", quality);
}

void sendVideo(void* pvParameters) { 
  while (true) { 
    // Send frame via RTP
    if(rtspServer.readyToSendFrame()) { // Must use
      camera_fb_t* fb = esp_camera_fb_get();
      rtspServer.sendRTSPFrame(fb->buf, fb->len, quality, fb->width, fb->height);
      esp_camera_fb_return(fb);
    }
    vTaskDelay(pdMS_TO_TICKS(1)); 
  }
}

void sendAudio(void* pvParameters) { 
  while (true) { 
    size_t bytesRead = 0;
    if(rtspServer.readyToSendAudio()) {
      bytesRead = micInput();
      if (bytesRead) rtspServer.sendRTSPAudio(sampleBuffer, bytesRead);
      else Serial.println("No audio Recieved");
    }
    vTaskDelay(pdMS_TO_TICKS(1)); // Delay for 1 second 
  }
}

// Optional
void sendSubtitles(void* pvParameters) {
  char data[100];
  while (true) {
    if(rtspServer.readyToSendAudio()) {
      size_t len = snprintf(data, sizeof(data), "FPS: %lu", rtspServer.rtpFps);
      rtspServer.sendRTSPSubtitles(data, len);
    }
  vTaskDelay(1000 / portTICK_PERIOD_MS); // Delay for 1 second has to be 1 second
  }
}

void setup() {

getFrameQuality(); //Retrieve frame quality

// Create tasks for sending video, and subtitles
  xTaskCreate(sendVideo, "Video", 1024 * 5, NULL, 9, &videoTaskHandle);
  xTaskCreate(sendAudio, "Audio", 1024 * 5, NULL, 8, &audioTaskHandle);

// Optional
  // Can use either a Task
  xTaskCreate(sendSubtitles, "Subtitles", 1024 * 2, NULL, 7, &subtitlesTaskHandle);
  // Or Timer for subtitles
  rtspServer.startSubtitlesTimer(onSubtitles); // 1-second period

rtspServer.maxRTSPClients = 5; // Set the maximum number of RTSP Multicast clients else enable OVERRIDE_RTSP_SINGLE_CLIENT_MODE to allow multiple clients for all transports eg. TCP, UDP, Multicast

rtspServer.setCredentials(rtspUser, rtspPassword); // Set RTSP authentication

// Initialize the RTSP server
   //Example Setup usage:
   // Option 1: Start RTSP server with default values
   if (rtspServer.begin()) { 
   Serial.println("RTSP server started successfully on port 554"); 
   } else { 
   Serial.println("Failed to start RTSP server"); 
   }
   
   // Option 2: Set variables directly and then call begin
   rtspServer.transport = RTSPServer::VIDEO_AUDIO_SUBTITLES; 
   rtspServer.sampleRate = 48000; 
   rtspServer.rtspPort = 8554; 
   rtspServer.rtpIp = IPAddress(239, 255, 0, 1); 
   rtspServer.rtpTTL = 64; 
   rtspServer.rtpVideoPort = 5004; 
   rtspServer.rtpAudioPort = 5006; 
   rtspServer.rtpSubtitlesPort = 5008;
   if (rtspServer.begin()) { 
   Serial.println("RTSP server started successfully"); 
   } else { 
   Serial.println("Failed to start RTSP server"); 
   }
   
   // Option 3: Set variables in the begin call
   if (rtspServer.begin(RTSPServer::VIDEO_AUDIO_SUBTITLES, 554, sampleRate)) { 
   Serial.println("RTSP server started successfully"); 
   } else { 
   Serial.println("Failed to start RTSP server"); 
   }
}

void loop() {

}
   
```

## VLC Settings

For detailed VLC settings, please refer to the [VLC Settings Guide](vlc.md).

## Optional Defines

You can customize the behavior of the RTSPServer library by including a RTSPConfig.h in your sketch:

```cpp
// RTSPConfig.h
#ifndef RTSP_CONFIG_H
#define RTSP_CONFIG_H

// Define ESP32_RTSP_LOGGING_ENABLED to enable logging
//#define RTSP_LOGGING_ENABLED // save 7.7kb of flash

// User defined options in sketch
//#define OVERRIDE_RTSP_SINGLE_CLIENT_MODE // Override the default behavior of allowing only one client for unicast or TCP
//#define RTSP_VIDEO_NONBLOCK // Enable non-blocking video streaming by creating a separate task for video streaming, preventing it from blocking the main sketch.

#endif // RTSP_CONFIG_H
```
  - Enable logging for debugging purposes. This will save 7.7KB of flash memory if disabled.
```cpp
#define RTSP_LOGGING_ENABLED
```
  - Override the default behavior of allowing only one client for unicast or TCP.
```cpp
#define OVERRIDE_RTSP_SINGLE_CLIENT_MODE 
```
  - Enable non-blocking video streaming. Creates a separate task for video streaming so it does not block the main sketch video task.
```cpp
#define RTSP_VIDEO_NONBLOCK
```

## API Reference

### Class: RTSPServer

#### Methods
```cpp
RTSPServer()
```
  - Description: Constructor for the RTSPServer class.

```cpp
~RTSPServer()
```
  - Description: Destructor for the RTSPServer class.
```cpp
bool init(TransportType transport = NONE, uint16_t rtspPort = 0, uint32_t sampleRate = 0, uint16_t port1 = 0, uint16_t port2 = 0, uint16_t port3 = 0, IPAddress rtpIp = IPAddress(), uint8_t rtpTTL = 255)
```
  - Description: Initializes the RTSP server with specified settings.
  - Parameters:
    - `transport` (TransportType): Type of transport (default is VIDEO_AND_SUBTITLES).
    - `rtspPort` (uint16_t): Port number for the RTSP server (default is 554).
    - `sampleRate` (uint32_t): Sample rate for audio streaming (default is 0).
    - `port1` (uint16_t): Port number for video (default is 5430).
    - `port2` (uint16_t): Port number for audio (default is 5432).
    - `port3` (uint16_t): Port number for subtitles (default is 5434).
    - `rtpIp` (IPAddress): IP address for RTP (default is 239.255.0.1).
    - `rtpTTL` (uint8_t): TTL for RTP (default is 1).
  - Returns: `bool` - `true` if the server initialized successfully, `false` otherwise.

```cpp
void deinit()
```
  - Description: Deinitializes the RTSP server.

```cpp
bool reinit()
```
  - Description: Reinitializes the RTSP server.
  - Returns: `bool` - `true` if the server reinitialized successfully, `false` otherwise.

```cpp
void sendRTSPFrame(const uint8_t* data, size_t len, int quality, int width, int height)
```
  - Description: Sends a video frame via RTP.
  - Parameters:
    - `data` (const uint8_t*): Pointer to the frame data.
    - `len` (size_t): Length of the frame data.
    - `quality` (int): Quality of the frame.
    - `width` (int): Width of the frame.
    - `height` (int): Height of the frame.

```cpp
void sendRTSPAudio(int16_t* data, size_t len)
```
  - Description: Sends audio data via RTP.
  - Parameters:
    - `data` (int16_t*): Pointer to the audio data.
    - `len` (size_t): Length of the audio data.

```cpp
void sendRTSPSubtitles(char* data, size_t len)
```
  - Description: Sends subtitle data via RTP.
  - Parameters:
    - `data` (char*): Pointer to the subtitle data.
    - `len` (size_t): Length of the subtitle data.

```cpp
void startSubtitlesTimer(esp_timer_cb_t userCallback)
```
  - Description: Starts a timer for sending subtitles.
  - Parameters:
    - `userCallback` (esp_timer_cb_t): Callback function to be called by the timer.

```cpp
bool readyToSendFrame() const
```
  - Description: Checks if the server is ready to send a video frame.
  - Returns: `bool` - `true` if ready, `false` otherwise.

```cpp
bool readyToSendAudio() const
```
  - Description: Checks if the server is ready to send audio data.
  - Returns: `bool` - `true` if ready, `false` otherwise.

```cpp
bool readyToSendSubtitles() const
```
  - Description: Checks if the server is ready to send subtitle data.
  - Returns: `bool` - `true` if ready, `false` otherwise.

```cpp
void setCredentials(const char* username, const char* password)
```
  - Description: Sets the credentials for basic authentication.
  - Parameters:
    - `username` (const char*): The username for authentication.
    - `password` (const char*): The password for authentication.

#### Variables
```cpp
uint32_t rtpFps
```
  - Description: Read current FPS.

```cpp
TransportType transport
```
  - Description: Type of transport. eg. VIDEO_ONLY
```cpp
uint3232 sampleRate
```
  - Description: Sample rate for audio streaming.
```cpp
int rtspPort
```
  - Description: Port number for the RTSP server.
```cpp
IPAddress rtpIp
```
  - Description: Multicast address.
```cpp
uint8_t rtpTTL
```
  - Description: TTL for RTP.
```cpp
uint16_t rtpVideoPort
```
  - Description: Port number for video.
```cpp
uint16_t rtpAudioPort
```
  - Description: Port number for audio.
```cpp
uint16_t rtpSubtitlesPort
```
  - Description: Port number for subtitles.
```cpp
uint8_t maxRTSPClients
```
  - Description: Maximum number of RTSP clients.

## Support This Project

If this library has been useful to you, please consider donating or sponsoring to support its development and maintenance. Your contributions help ensure that this project continues to improve and stay up-to-date, and also support future projects.

[![](https://img.shields.io/static/v1?label=Sponsor&message=%E2%9D%A4&logo=GitHub&color=%23fe8e86)](https://github.com/sponsors/rjsachse)

Thank you for your support!

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