feat: add encode_format to request of audio speech (#54)

Co-authored-by: yuhongxiao <hongxiao.yu@aminer.cn>

core/src/main/java/ai/z/openapi/service/audio/AudioSpeechRequest.java

@@ -38,6 +38,12 @@ public class AudioSpeechRequest extends CommonRequest implements ClientRequest<A
 	@JsonProperty("response_format")
 	private String responseFormat;
 
+	/**
+	 * Encode format of the generated speech file
+	 */
+	@JsonProperty("encode_format")
+	private String encodeFormat;
+
 	/**
 	 * Sensitive word detection control
 	 */
@@ -50,6 +56,11 @@ public class AudioSpeechRequest extends CommonRequest implements ClientRequest<A
 	@JsonProperty("watermark_enabled")
 	private Boolean watermarkEnabled;
 
+	/**
+	 * Is streaming response
+	 */
+	private Boolean stream;
+
 	/**
 	 * Voice speed for speech generation
 	 */

core/src/test/java/ai/z/openapi/service/audio/AudioServiceTest.java

@@ -65,6 +65,7 @@ public class AudioServiceTest {
 			.model(Constants.ModelTTS)
 			.input("Hello, this is a test for text-to-speech functionality.")
 			.voice("tongtong")
+			.encodeFormat("base64")
 			.requestId(requestId)
 			.build();