Add duration rest method to get the duration of an stream URL

src/main/java/io/antmedia/datastore/db/types/Broadcast.java

@@ -211,6 +211,7 @@ public static class PlayListItem
 	{
 		String streamUrl;
 		String type;
+		String name;
 
 		/**
 		 * Duration of this item in milliseconds. It's calculated by Ant Media Server
@@ -261,6 +262,14 @@ public void setDurationInMs(long durationInMs) {
 			this.durationInMs = durationInMs;
 		}
 
+		public String getName() {
+			return name;
+		}
+
+		public void setName(String name) {
+			this.name = name;
+		}
+
 	}
 
 

src/main/java/io/antmedia/muxer/Muxer.java

@@ -42,6 +42,8 @@
 import java.util.regex.Pattern;
 
 import io.antmedia.FFmpegUtilities;
+import io.antmedia.rest.RestServiceBase;
+
 import org.apache.commons.lang3.exception.ExceptionUtils;
 import org.bytedeco.ffmpeg.avcodec.AVBSFContext;
 import org.bytedeco.ffmpeg.avcodec.AVBitStreamFilter;
@@ -1222,24 +1224,39 @@ public static long getDurationInMs(File f, String streamId) {
 	}
 
 
+	/**
+	 * 
+	 * @param url
+	 * @param streamId
+	 * @return 
+	 * -1 if duration is not available in the stream
+	 * -2 if input is not opened
+	 * -3 if stream info is not found
+	 *  
+	 */
 	public static long getDurationInMs(String url, String streamId) {
 		AVFormatContext inputFormatContext = avformat.avformat_alloc_context();
 		int ret;
 		if (streamId != null) {
-			streamId = streamId.replaceAll("[\n\r\t]", "_");
+			streamId = RestServiceBase.replaceCharsForSecurity(streamId);
 		}
+
+		if (url != null) {
+			url = RestServiceBase.replaceCharsForSecurity(url);
+		}
+
 		if (avformat_open_input(inputFormatContext, url, null, (AVDictionary)null) < 0) 
 		{
 			loggerStatic.info("cannot open input context for duration for stream: {} for file:{}", streamId, url);
 			avformat_close_input(inputFormatContext);
-			return -1L;
+			return -2L;
 		}
 
 		ret = avformat_find_stream_info(inputFormatContext, (AVDictionary)null);
 		if (ret < 0) {
 			loggerStatic.info("Could not find stream information for stream: {} for file:{}", streamId, url);
 			avformat_close_input(inputFormatContext);
-			return -1L;
+			return -3L;
 		}
 		long durationInMS = -1;
 		if (inputFormatContext.duration() != AV_NOPTS_VALUE)

src/main/java/io/antmedia/rest/BroadcastRestService.java

@@ -14,6 +14,7 @@
 import io.antmedia.cluster.IClusterNotifier;
 import io.antmedia.cluster.IStreamInfo;
 import io.antmedia.datastore.db.types.Broadcast;
+import io.antmedia.datastore.db.types.Broadcast.PlayListItem;
 import io.antmedia.datastore.db.types.ConferenceRoom;
 import io.antmedia.datastore.db.types.Endpoint;
 import io.antmedia.datastore.db.types.Subscriber;
@@ -24,6 +25,7 @@
 import io.antmedia.ipcamera.OnvifCamera;
 import io.antmedia.muxer.IAntMediaStreamHandler;
 import io.antmedia.muxer.MuxAdaptor;
+import io.antmedia.muxer.Muxer;
 import io.antmedia.rest.model.BasicStreamInfo;
 import io.antmedia.rest.model.Result;
 import io.antmedia.security.ITokenService;
@@ -362,6 +364,37 @@ public Result updateBroadcast(@Parameter(description="Broadcast id", required =
 		}
 		return result;
 	}
+
+	@Operation(description = "Gets the durations of the stream url in milliseconds",
+			 responses = {
+				        @ApiResponse(responseCode = "200", description = "If operation is successful, duration will be in dataId field and success field is true. "
+				        		+ "If it's failed, errorId has the error code(-1: duration is not available, -2: url is not opened, -3: cannot get stream info) and success field is false",
+				                     content = @Content(
+				                         mediaType = "application/json",
+				                         schema = @Schema(implementation = Result.class)
+				                     ))
+				        }
+	)
+
+	@GET
+	@Consumes(MediaType.APPLICATION_JSON)
+	@Path("/duration")
+	@Produces(MediaType.APPLICATION_JSON)
+	public Result getDuration(@Parameter(description="Url of the stream that its duration will be returned", required=true) @QueryParam("url")  String url) {
+		Result result = new Result(false);
+		if (StringUtils.isNotBlank(url)) {
+			long durationInMs = Muxer.getDurationInMs(url,null);
+			if (durationInMs >= 0) {
+				result.setSuccess(true);
+				result.setDataId(Long.toString(durationInMs));
+			}
+			else {
+				result.setErrorId((int)durationInMs);
+			}
+		}
+
+		return result;
+	}
 
 
 	@Operation(description = "Seeks the playing stream source, vod or playlist on the fly. It accepts seekTimeMs parameter in milliseconds")

src/main/java/io/antmedia/rest/RestServiceBase.java

@@ -75,7 +75,7 @@
 
 public abstract class RestServiceBase {
 
-	private static final String REPLACE_CHARS_FOR_SECURITY = "[\n\r]";
+	public static final String REPLACE_CHARS_FOR_SECURITY = "[\n\r]";
 
 	public class BroadcastStatistics {
 
@@ -2218,5 +2218,9 @@ public Result importVoDs(String directory) {
 	public Result unlinksVoD(String directory) {
 		return getApplication().unlinksVoD(directory);
 	}
+
+	public static String replaceCharsForSecurity(String value) {
+		return value.replaceAll(REPLACE_CHARS_FOR_SECURITY, "_");
+	}
 
 }

src/test/java/io/antmedia/test/rest/BroadcastRestServiceV2UnitTest.java

@@ -226,6 +226,23 @@ public void testUpdatePlayListItemDuration() {
 	}
 
 
+	@Test
+	public void testGetDuration() {
+
+		Result result = restServiceReal.getDuration(StreamSchedularUnitTest.VALID_MP4_URL);
+		assertEquals(15045, Integer.valueOf(result.getDataId()).intValue());
+		assertTrue(result.isSuccess());
+
+
+		result = restServiceReal.getDuration(StreamSchedularUnitTest.INVALID_MP4_URL);		
+		assertEquals(-2, Integer.valueOf(result.getErrorId()).intValue());
+		assertFalse(result.isSuccess());
+
+		result = restServiceReal.getDuration(null);		
+		assertFalse(result.isSuccess());
+
+	}
+
 
 	/**
 	 * These tests should be run with stalker db

src/test/java/io/antmedia/test/rest/PlaylistRestServiceV2UnitTest.java

@@ -130,6 +130,7 @@ public void testCreatePlaylist() {
 		playlist.setType(AntMediaApplicationAdapter.PLAY_LIST);
 		playlist.setPlayListItemList(broadcastList);
 
+
 
 		StatsCollector monitor = mock(StatsCollector.class);
 
@@ -308,6 +309,8 @@ public void testEditPlaylist() {
 
 		//create a broadcast
 		PlayListItem broadcastItem1 = new PlayListItem();
+		broadcastItem1.setName("name");
+		assertEquals("name", broadcastItem1.getName());
 
 		//create a broadcast
 		PlayListItem broadcastItem2 = new PlayListItem();