// Create audio transcoding task using configuration​
import com.volcengine.tos.TOSV2;​
import com.volcengine.tos.TOSV2ClientBuilder;​
import com.volcengine.tos.TosClientException;​
import com.volcengine.tos.TosServerException;​
import com.volcengine.tos.comm.common.*;​
import com.volcengine.tos.model.bucket.*;​
import com.volcengine.tos.model.object.*;​
​
public class CreateAudioConvertJobExample {​
    public static void main(String[] args) {​
        String endpoint = System.getenv("TOS_ENDPOINT");​
        String region = System.getenv("TOS_REGION");​
        String accessKey = System.getenv("TOS_ACCESS_KEY");​
        String secretKey = System.getenv("TOS_SECRET_KEY");​
        ​
        // Specify BucketName​
        String bucketName = System.getenv("TOS_BUCKET");​
        ​
        // Initialize client​
        TOSV2 tos = new TOSV2ClientBuilder().build(region, endpoint, accessKey, secretKey);​
        ​
        try {​
            // 1. Prepare the source and target object keys (placeholder example, replace with actual object names)>​
            String srcObject = "input-audio.mp3";    // Source audio object key​
            String targetObject = "output-audio.mp3"; // Transcoded audio object key​
            ​
            // 2. Configure time interval: start at 1000 ms, last for 10000 ms​
            TimeInterval timeInterval = TimeInterval.builder()​
                    .start(1000)       // Start time of the segment, in milliseconds​
                    .duration(10000)   // Duration of the segment, in milliseconds​
                    .build();​
​
            // 3. Build audio transcoding configuration​
            AudioConvertConfig audioConvertConfig = AudioConvertConfig.builder()​
                    .timeInterval(timeInterval)                     // Audio processing time interval​
                    .containerFormat(AudioContainerFormatType.MP3)  // Output audio container format: MP3​
                    .bitRate(8000)                                 // Audio bitrate in bps​
                    .bitRateOpt(1)                                 // Bitrate control parameter, example value 1​
                    .sampleFormat("fltp")                         // Sample format, e.g., fltp​
                    .sampleRate(11025)                             // Sample rate in Hz​
                    .channels(2)                                   // Number of channels, 2 means stereo​
                    .build();​
​
            // 4. Construct task input: specify source object​
            ConvertJobInput jobInput = ConvertJobInput.builder()​
                    .object(srcObject)​
                    .build();​
​
            // 5. Build task output: specify output region, bucket name, and target object​
            ConvertJobOutput jobOutput = ConvertJobOutput.builder()​
                    .region(region)         // Output region​
                    .bucket(bucketName)     // Output bucket​
                    .object(targetObject)   // Transcoded audio object key​
                    .build();​
​
            // 6. Assemble create audio transcoding task request​
            CreateAudioConvertJobInput input = CreateAudioConvertJobInput.builder()​
                    .bucket(bucketName)                 // Bucket the task belongs to​
                    .input(jobInput)                    // Source object configuration​
                    .audioConvertConfig(audioConvertConfig) // Audio transcoding configuration​
                    .output(jobOutput)                  // Output result configuration​
                    .build();​
​
            // 7. Call the create audio transcoding task interface​
            CreateAudioConvertJobOutput output = tos.createAudioConvertJob(input);​
​
            // 8. Print key return information​
            System.out.println("Audio transcoding task created successfully");​
            System.out.println("JobId: " + output.getJobId());​
            System.out.println("RequestID: " + output.getRequestInfo().getRequestId());​
            System.out.println("StatusCode: " + output.getRequestInfo().getStatusCode());​
            ​
        } catch (TosClientException e) {​
            // Operation failed, client exception caught; usually caused by invalid request parameters or network issues​
            System.out.println("Operation failed");​
            System.out.println("Message: " + e.getMessage());​
            if (e.getCause() != null) {​
                e.getCause().printStackTrace();​
            }​
        } catch (TosServerException e) {​
            // Operation failed, server exception caught; detailed error information can be obtained from the server response​
            System.out.println("Operation failed");​
            System.out.println("StatusCode: " + e.getStatusCode());​
            System.out.println("Code: " + e.getCode());​
            System.out.println("Message: " + e.getMessage());​
            System.out.println("RequestID: " + e.getRequestID());​
        } catch (Throwable t) {​
            // Fallback to catch other exceptions; this typically does not execute​
            System.out.println("Operation failed");​
            System.out.println("unexpected exception, message: " + t.getMessage());​
        }​
    }​
}​