Object Storage Service:Fusion audio

import com.aliyun.oss.ClientBuilderConfiguration;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.common.auth.CredentialsProviderFactory;
import com.aliyun.oss.common.auth.EnvironmentVariableCredentialsProvider;
import com.aliyun.oss.common.comm.SignVersion;
import com.aliyun.oss.model.AsyncProcessObjectRequest;
import com.aliyun.oss.model.AsyncProcessObjectResult;
import com.aliyuncs.exceptions.ClientException;

import java.nio.charset.StandardCharsets;
import java.util.Base64;

public class Demo {

    public static void main(String[] args) throws ClientException {
        // Set endpoint to the endpoint of the region where the bucket is located.
        String endpoint = "https://oss-cn-hangzhou.aliyuncs.com";
        // Specify the Alibaba Cloud region ID, for example, cn-hangzhou.
        String region = "cn-hangzhou";
        // Obtain access credentials from environment variables. Before running this sample code, make sure the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are set.
        EnvironmentVariableCredentialsProvider credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
        // Specify the bucket name.
        String bucketName = "examplebucket";
        // Specify the name of the output audio file.
        String targetAudio = "dest.aac";
        // Specify the names of the audio files to be merged.
        String audio1 = "src1.mp3";
        String audio2 = "src2.mp3";

        // Create an OSSClient instance.
        // When you are finished, shut down the OSSClient to release resources.
        ClientBuilderConfiguration clientBuilderConfiguration = new ClientBuilderConfiguration();
        clientBuilderConfiguration.setSignatureVersion(SignVersion.V4);
        OSS ossClient = OSSClientBuilder.create()
                .endpoint(endpoint)
                .credentialsProvider(credentialsProvider)
                .clientConfiguration(clientBuilderConfiguration)
                .region(region)
                .build();

        try {
            // Build the style string for audio processing and the audio merging parameters.
            String audio1Encoded = Base64.getUrlEncoder().encodeToString(audio1.getBytes(StandardCharsets.UTF_8)).replace("=", "");
            String audio2Encoded = Base64.getUrlEncoder().encodeToString(audio2.getBytes(StandardCharsets.UTF_8)).replace("=", "");
            String style = String.format("audio/concat,f_aac,ac_1,ar_44100,ab_96000,align_2/pre,o_%s/pre,o_%s,t_0", audio1Encoded, audio2Encoded);

            // Build the asynchronous processing instruction.
            String bucketEncoded = Base64.getUrlEncoder().encodeToString(bucketName.getBytes(StandardCharsets.UTF_8)).replace("=", "");
            String targetEncoded = Base64.getUrlEncoder().encodeToString(targetAudio.getBytes(StandardCharsets.UTF_8)).replace("=", "");
            String process = String.format("%s|sys/saveas,b_%s,o_%s/notify,topic_QXVkaW9Db252ZXJ0", style, bucketEncoded, targetEncoded);

            // Create an AsyncProcessObjectRequest object.
            AsyncProcessObjectRequest request = new AsyncProcessObjectRequest(bucketName, audio1, process);
            // Execute the asynchronous processing task.
            AsyncProcessObjectResult response = ossClient.asyncProcessObject(request);
            System.out.println("EventId: " + response.getEventId());
            System.out.println("RequestId: " + response.getRequestId());
            System.out.println("TaskId: " + response.getTaskId());

        } finally {
            // Shut down the OSSClient.
            ossClient.shutdown();
        }
    }
}

# -*- coding: utf-8 -*-
import base64
import oss2
from oss2.credentials import EnvironmentVariableCredentialsProvider

def main():
    # Obtain access credentials from environment variables. Before running this sample code, make sure the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are set.
    auth = oss2.ProviderAuthV4(EnvironmentVariableCredentialsProvider())

    # Set endpoint to the endpoint of the region where the bucket is located. For example, for China (Hangzhou), set the endpoint to https://oss-cn-hangzhou.aliyuncs.com.
    endpoint = 'https://oss-cn-hangzhou.aliyuncs.com'

    # Specify the Alibaba Cloud region ID, for example, cn-hangzhou.
    region = 'cn-hangzhou'

    # Specify the bucket name, for example, examplebucket.
    bucket = oss2.Bucket(auth, endpoint, 'examplebucket', region=region)

    # Specify the name of the output audio file.
    target_audio = 'dest.aac'

    # Specify the names of the audio files to merge.
    audio1 = 'src1.mp3'
    audio2 = 'src2.mp3'

    # Build the style string for audio processing and the audio merging parameters.
    audio1_encoded = base64.urlsafe_b64encode(audio1.encode()).decode().rstrip('=')
    audio2_encoded = base64.urlsafe_b64encode(audio2.encode()).decode().rstrip('=')
    style = f"audio/concat,f_aac,ac_1,ar_44100,ab_96000,align_2/pre,o_{audio1_encoded}/pre,o_{audio2_encoded},t_0"

    # Build the asynchronous processing instruction.
    bucket_encoded = base64.urlsafe_b64encode(bucket.bucket_name.encode()).decode().rstrip('=')
    target_encoded = base64.urlsafe_b64encode(target_audio.encode()).decode().rstrip('=')
    process = f"{style}|sys/saveas,b_{bucket_encoded},o_{target_encoded}/notify,topic_QXVkaW9Db252ZXJ0"

    print(process)

    # Execute the asynchronous processing task.
    try:
        result = bucket.async_process_object(audio1, process)
        print(f"EventId: {result.event_id}")
        print(f"RequestId: {result.request_id}")
        print(f"TaskId: {result.task_id}")
    except Exception as e:
        print(f"Error: {e}")

if __name__ == "__main__":
    main()

package main

import (
	"encoding/base64"
	"fmt"
	"log"
	"os"

	"github.com/aliyun/aliyun-oss-go-sdk/oss"
)
func main() {
	// Obtain access credentials from environment variables. Before running this sample code, make sure the OSS_ACCESS_KEY_ID, OSS_ACCESS_KEY_SECRET, and OSS_SESSION_TOKEN environment variables are set.
	provider, err := oss.NewEnvironmentVariableCredentialsProvider()
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}
	// Create an OSSClient instance.
	// Set endpoint to the endpoint of the region where your bucket is located. For example, for China (Hangzhou), set it to https://oss-cn-hangzhou.aliyuncs.com.
	// Set region to the Alibaba Cloud region ID, for example, cn-hangzhou.
	client, err := oss.New("https://oss-cn-hangzhou.aliyuncs.com", "", "", oss.SetCredentialsProvider(&provider), oss.AuthVersion(oss.AuthV4), oss.Region("cn-hangzhou"))
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}
	// Specify the bucket name, for example, examplebucket.
	bucketName := "examplebucket"

	bucket, err := client.Bucket(bucketName)
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}

	// Specify the names of the audio files to be merged.
	audio1 := "src1.mp3"
	audio2 := "src2.mp3"
	// Specify the name of the output audio file.
	targetAudio := "dest.aac"

	// Build the style string for audio processing and the audio merging parameters.
	audio1Encoded := base64.URLEncoding.EncodeToString([]byte(audio1))
	audio2Encoded := base64.URLEncoding.EncodeToString([]byte(audio2))
	style := fmt.Sprintf("audio/concat,f_aac,ac_1,ar_44100,ab_96000,align_2/pre,o_%s/pre,o_%s,t_0", audio1Encoded, audio2Encoded)

	// Build the asynchronous processing instruction.
	bucketEncoded := base64.URLEncoding.EncodeToString([]byte(bucketName))
	targetEncoded := base64.URLEncoding.EncodeToString([]byte(targetAudio))
	process := fmt.Sprintf("%s|sys/saveas,b_%s,o_%s/notify,topic_QXVkaW9Db252ZXJ0", style, bucketEncoded, targetEncoded)

	// Execute the asynchronous processing task.
	result, err := bucket.AsyncProcessObject(audio1, process)
	if err != nil {
		log.Fatalf("Failed to async process object: %s", err)
	}

	fmt.Printf("EventId: %s\n", result.EventId)
	fmt.Printf("RequestId: %s\n", result.RequestId)
	fmt.Printf("TaskId: %s\n", result.TaskId)
}