java.lang.IllegalArgumentException: extractor does not contain video and/or audio tracks.

[rahulapatil]

java.lang.IllegalArgumentException: extractor does not contain video and/or audio tracks
at net.ypresto.androidtranscoder.utils.MediaExtractorUtils.getFirstVideoAndAudioTrack(MediaExtractorUtils.java:59)
at net.ypresto.androidtranscoder.engine.MediaTranscoderEngine.setupTrackTranscoders(MediaTranscoderEngine.java:163)
at net.ypresto.androidtranscoder.engine.MediaTranscoderEngine.transcodeVideo(MediaTranscoderEngine.java:98)
at net.ypresto.androidtranscoder.MediaTranscoder$4.call(MediaTranscoder.java:183)
at net.ypresto.androidtranscoder.MediaTranscoder$4.call(MediaTranscoder.java:165)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
at java.lang.Thread.run(Thread.java:923)

I am facing a video transcode function exception for those videos that do not have audio. Please look into it and provide a solution to this.