Run this command to install the SDK:

npm install cloudmersive-video-api-client --save


Or add this snippet to your package.json:

  "dependencies": {
    "cloudmersive-video-api-client": "^2.0.5"
  }


var CloudmersiveVideoApiClient = require('cloudmersive-video-api-client');
var defaultClient = CloudmersiveVideoApiClient.ApiClient.instance;

// Configure API key authorization: Apikey
var Apikey = defaultClient.authentications['Apikey'];
Apikey.apiKey = 'YOUR API KEY';



var apiInstance = new CloudmersiveVideoApiClient.VideoApi();

var opts = { 
  'inputFile': Buffer.from(fs.readFileSync("C:\\temp\\inputfile").buffer), // File | Input file to perform the operation on.
  'fileUrl': "fileUrl_example", // String | Optional; URL of a video file being used for conversion. Use this option for files larger than 2GB.
  'maxWidth': 56, // Number | Optional; Maximum width of the output video, up to the original video width. Defaults to original video width.
  'maxHeight': 56, // Number | Optional; Maximum height of the output video, up to the original video width. Defaults to original video height.
  'preserveAspectRatio': true, // Boolean | Optional; If false, the original video's aspect ratio will not be preserved, allowing customization of the aspect ratio using maxWidth and maxHeight, potentially skewing the video. Default is true.
  'frameRate': 56, // Number | Optional; Specify the frame rate of the output video. Defaults to original video frame rate.
  'quality': 56 // Number | Optional; Specify the quality of the output video, where 100 is lossless and 1 is the lowest possible quality with highest compression. Default is 50.
};

var callback = function(error, data, response) {
  if (error) {
    console.error(error);
  } else {
    console.log('API called successfully. Returned data: ' + data);
  }
};
apiInstance.videoConvertToWebm(opts, callback);

Run this command to install the SDK:

pip install cloudmersive-video-api-client


from __future__ import print_function
import time
import cloudmersive_dataintegration_api_client
from cloudmersive_dataintegration_api_client.rest import ApiException
from pprint import pprint

# Configure API key authorization: Apikey
configuration = cloudmersive_dataintegration_api_client.Configuration()
configuration.api_key['Apikey'] = 'YOUR_API_KEY'



# create an instance of the API class
api_instance = cloudmersive_dataintegration_api_client.VideoApi(cloudmersive_dataintegration_api_client.ApiClient(configuration))
input_file = '/path/to/file' # file | Input file to perform the operation on. (optional)
file_url = 'file_url_example' # str | Optional; URL of a video file being used for conversion. Use this option for files larger than 2GB. (optional)
max_width = 56 # int | Optional; Maximum width of the output video, up to the original video width. Defaults to original video width. (optional)
max_height = 56 # int | Optional; Maximum height of the output video, up to the original video width. Defaults to original video height. (optional)
preserve_aspect_ratio = true # bool | Optional; If false, the original video's aspect ratio will not be preserved, allowing customization of the aspect ratio using maxWidth and maxHeight, potentially skewing the video. Default is true. (optional)
frame_rate = 56 # int | Optional; Specify the frame rate of the output video. Defaults to original video frame rate. (optional)
quality = 56 # int | Optional; Specify the quality of the output video, where 100 is lossless and 1 is the lowest possible quality with highest compression. Default is 50. (optional)

try:
    # Convert Video to WEBM format.
    api_response = api_instance.video_convert_to_webm(input_file=input_file, file_url=file_url, max_width=max_width, max_height=max_height, preserve_aspect_ratio=preserve_aspect_ratio, frame_rate=frame_rate, quality=quality)
    pprint(api_response)
except ApiException as e:
    print("Exception when calling VideoApi->video_convert_to_webm: %s\n" % e)

Run this command to install the SDK:

Install-Package Cloudmersive.APIClient.NET.VideoAndMediaServices -Version 3.0.5


using System;
using System.Diagnostics;
using Cloudmersive.APIClient.NET.VideoAndMediaServices.Api;
using Cloudmersive.APIClient.NET.VideoAndMediaServices.Client;
using Cloudmersive.APIClient.NET.VideoAndMediaServices.Model;

namespace Example
{
    public class VideoConvertToWebmExample
    {
        public void main()
        {
            // Configure API key authorization: Apikey
            Configuration.Default.AddApiKey("Apikey", "YOUR_API_KEY");
            
            

            var apiInstance = new VideoApi();
            var inputFile = new System.IO.FileStream("C:\\temp\\inputfile", System.IO.FileMode.Open); // System.IO.Stream | Input file to perform the operation on. (optional) 
            var fileUrl = fileUrl_example;  // string | Optional; URL of a video file being used for conversion. Use this option for files larger than 2GB. (optional) 
            var maxWidth = 56;  // int? | Optional; Maximum width of the output video, up to the original video width. Defaults to original video width. (optional) 
            var maxHeight = 56;  // int? | Optional; Maximum height of the output video, up to the original video width. Defaults to original video height. (optional) 
            var preserveAspectRatio = true;  // bool? | Optional; If false, the original video's aspect ratio will not be preserved, allowing customization of the aspect ratio using maxWidth and maxHeight, potentially skewing the video. Default is true. (optional) 
            var frameRate = 56;  // int? | Optional; Specify the frame rate of the output video. Defaults to original video frame rate. (optional) 
            var quality = 56;  // int? | Optional; Specify the quality of the output video, where 100 is lossless and 1 is the lowest possible quality with highest compression. Default is 50. (optional) 

            try
            {
                // Convert Video to WEBM format.
                byte[] result = apiInstance.VideoConvertToWebm(inputFile, fileUrl, maxWidth, maxHeight, preserveAspectRatio, frameRate, quality);
                Debug.WriteLine(result);
            }
            catch (Exception e)
            {
                Debug.Print("Exception when calling VideoApi.VideoConvertToWebm: " + e.Message );
            }
        }
    }
}

To install with Maven, add a reference to the repository in pom.xml:

<repositories>
    <repository>
        <id>jitpack.io</id>
        <url>https://jitpack.io</url>
    </repository>
</repositories>


And add a reference to the dependency in pom.xml:

<dependencies>
<dependency>
    <groupId>com.github.Cloudmersive</groupId>
    <artifactId>Cloudmersive.APIClient.Java</artifactId>
    <version>v4.25</version>
</dependency>
</dependencies>


To install with Gradle, add it in your root build.gradle at the end of repositories:

allprojects {
	repositories {
		...
		maven { url 'https://jitpack.io' }
	}
}


And add the dependency in build.gradle:

dependencies {
        implementation 'com.github.Cloudmersive:Cloudmersive.APIClient.Java:v4.25'
}


// Import classes:
//import com.cloudmersive.client.invoker.ApiClient;
//import com.cloudmersive.client.invoker.ApiException;
//import com.cloudmersive.client.invoker.Configuration;
//import com.cloudmersive.client.invoker.auth.*;
//import com.cloudmersive.client.VideoApi;

ApiClient defaultClient = Configuration.getDefaultApiClient();

// Configure API key authorization: Apikey
ApiKeyAuth Apikey = (ApiKeyAuth) defaultClient.getAuthentication("Apikey");
Apikey.setApiKey("YOUR API KEY");
// Uncomment the following line to set a prefix for the API key, e.g. "Token" (defaults to null)
//Apikey.setApiKeyPrefix("Token");

VideoApi apiInstance = new VideoApi();
File inputFile = new File("/path/to/file"); // File | Input file to perform the operation on.
String fileUrl = "fileUrl_example"; // String | Optional; URL of a video file being used for conversion. Use this option for files larger than 2GB.
Integer maxWidth = 56; // Integer | Optional; Maximum width of the output video, up to the original video width. Defaults to original video width.
Integer maxHeight = 56; // Integer | Optional; Maximum height of the output video, up to the original video width. Defaults to original video height.
Boolean preserveAspectRatio = true; // Boolean | Optional; If false, the original video's aspect ratio will not be preserved, allowing customization of the aspect ratio using maxWidth and maxHeight, potentially skewing the video. Default is true.
Integer frameRate = 56; // Integer | Optional; Specify the frame rate of the output video. Defaults to original video frame rate.
Integer quality = 56; // Integer | Optional; Specify the quality of the output video, where 100 is lossless and 1 is the lowest possible quality with highest compression. Default is 50.
try {
    byte[] result = apiInstance.videoConvertToWebm(inputFile, fileUrl, maxWidth, maxHeight, preserveAspectRatio, frameRate, quality);
    System.out.println(result);
} catch (ApiException e) {
    System.err.println("Exception when calling VideoApi#videoConvertToWebm");
    e.printStackTrace();
}

Run this command to install the SDK:

composer require cloudmersive/cloudmersive_video_api_client


<?php
require_once(__DIR__ . '/vendor/autoload.php');

// Configure API key authorization: Apikey
$config = Swagger\Client\Configuration::getDefaultConfiguration()->setApiKey('Apikey', 'YOUR_API_KEY');



$apiInstance = new Swagger\Client\Api\VideoApi(
    
    
    new GuzzleHttp\Client(),
    $config
);
$input_file = "/path/to/file"; // \SplFileObject | Input file to perform the operation on.
$file_url = "file_url_example"; // string | Optional; URL of a video file being used for conversion. Use this option for files larger than 2GB.
$max_width = 56; // int | Optional; Maximum width of the output video, up to the original video width. Defaults to original video width.
$max_height = 56; // int | Optional; Maximum height of the output video, up to the original video width. Defaults to original video height.
$preserve_aspect_ratio = true; // bool | Optional; If false, the original video's aspect ratio will not be preserved, allowing customization of the aspect ratio using maxWidth and maxHeight, potentially skewing the video. Default is true.
$frame_rate = 56; // int | Optional; Specify the frame rate of the output video. Defaults to original video frame rate.
$quality = 56; // int | Optional; Specify the quality of the output video, where 100 is lossless and 1 is the lowest possible quality with highest compression. Default is 50.

try {
    $result = $apiInstance->videoConvertToWebm($input_file, $file_url, $max_width, $max_height, $preserve_aspect_ratio, $frame_rate, $quality);
    print_r($result);
} catch (Exception $e) {
    echo 'Exception when calling VideoApi->videoConvertToWebm: ', $e->getMessage(), PHP_EOL;
}
?>

Add the Objective-C client to your Podfile:



Add the Ruby client to your Gemfile:

gem 'cloudmersive-video-api-client', '~> 2.0', '>= 2.0.5'


# load the gem
require 'cloudmersive-video-api-client'
# setup authorization
CloudmersiveVideoApiClient.configure do |config|
  # Configure API key authorization: Apikey
  config.api_key['Apikey'] = 'YOUR API KEY'
  # Uncomment the following line to set a prefix for the API key, e.g. 'Bearer' (defaults to nil)
  #config.api_key_prefix['Apikey'] = 'Bearer'
end

api_instance = CloudmersiveVideoApiClient::VideoApi.new

opts = { 
  input_file: File.new('/path/to/inputfile'), # File | Input file to perform the operation on.
  file_url: 'file_url_example', # String | Optional; URL of a video file being used for conversion. Use this option for files larger than 2GB.
  max_width: 56, # Integer | Optional; Maximum width of the output video, up to the original video width. Defaults to original video width.
  max_height: 56, # Integer | Optional; Maximum height of the output video, up to the original video width. Defaults to original video height.
  preserve_aspect_ratio: true, # BOOLEAN | Optional; If false, the original video's aspect ratio will not be preserved, allowing customization of the aspect ratio using maxWidth and maxHeight, potentially skewing the video. Default is true.
  frame_rate: 56, # Integer | Optional; Specify the frame rate of the output video. Defaults to original video frame rate.
  quality: 56 # Integer | Optional; Specify the quality of the output video, where 100 is lossless and 1 is the lowest possible quality with highest compression. Default is 50.
}

begin
  #Convert Video to WEBM format.
  result = api_instance.video_convert_to_webm(opts)
  p result
rescue CloudmersiveVideoApiClient::ApiError => e
  puts "Exception when calling VideoApi->video_convert_to_webm: #{e}"
end

Download and copy the /client folder into your Apex project:

Download Apex Client

SwagVideoApi api = new SwagVideoApi();
SwagClient client = api.getClient();

// Configure API key authorization: Apikey
ApiKeyAuth Apikey = (ApiKeyAuth) client.getAuthentication('Apikey');
Apikey.setApiKey('YOUR API KEY');

Map<String, Object> params = new Map<String, Object>{
    'inputFile' => Blob.valueOf('Sample text file\nContents'),
    'fileUrl' => 'fileUrl_example',
    'maxWidth' => 56,
    'maxHeight' => 56,
    'preserveAspectRatio' => true,
    'frameRate' => 56,
    'quality' => 56
};

try {
    // cross your fingers
    Blob result = api.videoConvertToWebm(params);
    System.debug(result);
} catch (Swagger.ApiException e) {
    // ...handle your exceptions
}

Install libcurl in your C/C++ project:

libcurl/7.75.0
CURL *curl;
CURLcode res;
curl = curl_easy_init();
if(curl) {
     curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "POST");
     curl_easy_setopt(curl, CURLOPT_URL, "https://api.cloudmersive.com/video/convert/to/webm");
     curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
     curl_easy_setopt(curl, CURLOPT_DEFAULT_PROTOCOL, "https");
     struct curl_slist *headers = NULL;
     headers = curl_slist_append(headers, "fileUrl: <string>");
     headers = curl_slist_append(headers, "maxWidth: <integer>");
     headers = curl_slist_append(headers, "maxHeight: <integer>");
     headers = curl_slist_append(headers, "preserveAspectRatio: <boolean>");
     headers = curl_slist_append(headers, "frameRate: <integer>");
     headers = curl_slist_append(headers, "quality: <integer>");
     headers = curl_slist_append(headers, "Content-Type: multipart/form-data");
     headers = curl_slist_append(headers, "Apikey: YOUR-API-KEY-HERE");
     curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
     curl_mime *mime;
     curl_mimepart *part;
     mime = curl_mime_init(curl);
     part = curl_mime_addpart(mime);
     curl_mime_name(part, "inputFile");
     curl_mime_filedata(part, "/path/to/file");
     curl_easy_setopt(curl, CURLOPT_MIMEPOST, mime);
     res = curl_easy_perform(curl);
     curl_mime_free(mime);
}
curl_easy_cleanup(curl);
curl --location --request POST 'https://api.cloudmersive.com/video/convert/to/webm' \
--header 'fileUrl: <string>' \
--header 'maxWidth: <integer>' \
--header 'maxHeight: <integer>' \
--header 'preserveAspectRatio: <boolean>' \
--header 'frameRate: <integer>' \
--header 'quality: <integer>' \
--header 'Content-Type: multipart/form-data' \
--header 'Apikey: YOUR-API-KEY-HERE' \
--form 'inputFile=@"/path/to/file"'
import Foundation
#if canImport(FoundationNetworking)
import FoundationNetworking
#endif

var semaphore = DispatchSemaphore (value: 0)

let parameters = [
     [
          "key": "inputFile",
          "src": "/path/to/file",
          "type": "file"
     ]] as [[String : Any]]

let boundary = "Boundary-\(UUID().uuidString)"
var body = ""
var error: Error? = nil
for param in parameters {
     if param["disabled"] == nil {
          let paramName = param["key"]!
          body += "--\(boundary)\r\n"
          body += "Content-Disposition:form-data; name=\"\(paramName)\""
          if param["contentType"] != nil {
               body += "\r\nContent-Type: \(param["contentType"] as! String)"
          }
          let paramType = param["type"] as! String
          if paramType == "text" {
               let paramValue = param["value"] as! String
               body += "\r\n\r\n\(paramValue)\r\n"
          } else {
               let paramSrc = param["src"] as! String
               let fileData = try NSData(contentsOfFile:paramSrc, options:[]) as Data
               let fileContent = String(data: fileData, encoding: .utf8)!
               body += "; filename=\"\(paramSrc)\"\r\n"
                 + "Content-Type: \"content-type header\"\r\n\r\n\(fileContent)\r\n"
          }
     }
}
body += "--\(boundary)--\r\n";
let postData = body.data(using: .utf8)

var request = URLRequest(url: URL(string: "https://api.cloudmersive.com/video/convert/to/webm")!,timeoutInterval: Double.infinity)
request.addValue("<string>", forHTTPHeaderField: "fileUrl")
request.addValue("<integer>", forHTTPHeaderField: "maxWidth")
request.addValue("<integer>", forHTTPHeaderField: "maxHeight")
request.addValue("<boolean>", forHTTPHeaderField: "preserveAspectRatio")
request.addValue("<integer>", forHTTPHeaderField: "frameRate")
request.addValue("<integer>", forHTTPHeaderField: "quality")
request.addValue("multipart/form-data", forHTTPHeaderField: "Content-Type")
request.addValue("YOUR-API-KEY-HERE", forHTTPHeaderField: "Apikey")
request.addValue("multipart/form-data; boundary=\(boundary)", forHTTPHeaderField: "Content-Type")

request.httpMethod = "POST"
request.httpBody = postData

let task = URLSession.shared.dataTask(with: request) { data, response, error in 
     guard let data = data else {
          print(String(describing: error))
          semaphore.signal()
          return
     }
     print(String(data: data, encoding: .utf8)!)
     semaphore.signal()
}

task.resume()
semaphore.wait()

This code snippet uses the built-in JavaScript XHR request capability

var data = new FormData();
data.append("inputFile", fileInput.files[0], "file");
 
var xhr = new XMLHttpRequest();
xhr.withCredentials = true;

xhr.addEventListener("readystatechange", function() {
     if(this.readyState === 4) {
          console.log(this.responseText);
     }
});

xhr.open("POST", "https://api.cloudmersive.com/video/convert/to/webm");
xhr.setRequestHeader("fileUrl", "<string>");
xhr.setRequestHeader("maxWidth", "<integer>");
xhr.setRequestHeader("maxHeight", "<integer>");
xhr.setRequestHeader("preserveAspectRatio", "<boolean>");
xhr.setRequestHeader("frameRate", "<integer>");
xhr.setRequestHeader("quality", "<integer>");

xhr.setRequestHeader("Apikey", "YOUR-API-KEY-HERE");

xhr.send(data);
package main

import (
     "fmt"
     "bytes"
     "mime/multipart"
     "os"
     "path/filepath"
     "io"
     "net/http"
     "io/ioutil"
)

func main() {

     url := "https://api.cloudmersive.com/video/convert/to/webm"
     method := "POST"

     payload := &bytes.Buffer{}
     writer := multipart.NewWriter(payload)
     file, errFile1 := os.Open("/path/to/file")
     defer file.Close()
     part1,
         errFile1 := writer.CreateFormFile("inputFile",filepath.Base("/path/to/file"))
     _, errFile1 = io.Copy(part1, file)
     if errFile1 != nil {
          fmt.Println(errFile1)
          return
     }
     err := writer.Close()
     if err != nil {
          fmt.Println(err)
          return
     }


     client := &http.Client {
     }
     req, err := http.NewRequest(method, url, payload)

     if err != nil {
          fmt.Println(err)
          return
     }
     req.Header.Add("fileUrl", "<string>")
     req.Header.Add("maxWidth", "<integer>")
     req.Header.Add("maxHeight", "<integer>")
     req.Header.Add("preserveAspectRatio", "<boolean>")
     req.Header.Add("frameRate", "<integer>")
     req.Header.Add("quality", "<integer>")
     req.Header.Add("Content-Type", "multipart/form-data")
     req.Header.Add("Apikey", "YOUR-API-KEY-HERE")

     req.Header.Set("Content-Type", writer.FormDataContentType())
     res, err := client.Do(req)
     if err != nil {
          fmt.Println(err)
          return
     }
     defer res.Body.Close()

     body, err := ioutil.ReadAll(res.Body)
     if err != nil {
          fmt.Println(err)
          return
     }
     fmt.Println(string(body))
}

Walkthrough Video