Audio 2018.3 Cannot set the time samples for the partially downloaded audio clip

Before the 2018.3 released we lived happily with the following code:

Code (CSharp):

1. public IEnumerator Stream(string soundId)
2.     {
3.         ..
4.         var www = new WWW(path);
5.    
6.         float downloadLimit = 0.05f;  
7.         while (www.progress < downloadLimit)
8.         {
9.             ...
10.             yield return new WaitForSeconds(0.1f);
11.         }    
12.         AudioClip myAudioClip = www.GetAudioClip(false, true, AudioType.MPEG);
13.         DownloadContainer.audioClip = myAudioClip;  //setting audioclip and we can start Play or Rewind using clip.timeSamples
14.         DownloadContainer.isDone = true;
15.         yield return null;
16.         while (www.progress < 1)
17.         {
18.             DownloadContainer.progress = www.progress;
19.             yield return null;
20.         }
21.     }

now we get the error if we try to change clip.timeSamples before the track is downloaded

C:\buildslave\unity\build\Modules/Audio/Public/sound/SoundChannel.cpp(356) : Error executing result (Couldn't perform seek operation.  This is a limitation of the medium (ie netstreams) or the file format. )

UnityEngine.AudioSource.Play()

and now we have to block the Rewind possibility and get the AudioClip again after the download complete

myAudioClip = www.GetAudioClip(false, true, AudioType.MPEG);

        DownloadTrackContainer.Result = myAudioClip;

and now we are able to scroll through it.

Any ideas?

 

Yes, exactly, we used seeking in both directions. Now we aren't able to set audioClip.timeSamples while it is marked as streamed: using true inside

AudioClip myAudioClip = www.GetAudioClip(false, true, AudioType.MPEG);

or setting DownloadHandlerAudioClip.stream = true; using WebRequest

 

the same here it could be unity bug

 

Here are link to bug https://issuetracker.unity3d.com/is...e-partially-downloaded-audio-clip-doesnt-work

 

Is this fixed? I believe I am experiencing the same issue.

Even after the audio file .mp3 has finished downloading, I cannot seek through the track and get this error message:
"Error executing result (Couldn't perform seek operation. This is a limitation of the medium (ie netstreams) or the file format. )"

To seek I am using AudioSource.time = float

Using Unity 2019.3.0f3 Personal <DX11>

Am I not using it properly?

Code (CSharp):

1. using System.Collections;
2. using System.Collections.Generic;
3. using UnityEngine;
4. using UnityEngine.Networking;
5.  
6. public class audio : MonoBehaviour
7. {
8.     private AudioSource audioSource;
9.     // Start is called before the first frame update
10.     void Start()
11.     {
12.         audioSource = gameObject.GetComponent<AudioSource>();
13.         StartCoroutine(StreamAudio());
14.     }
15.  
16.     public IEnumerator StreamAudio() {
17.         using (UnityWebRequest www = UnityWebRequestMultimedia.GetAudioClip("https://www.4sync.com/web/directDownload/V-6bvf3y/lLTlC1js.9a0fcc060df0faa4206af8af3501eaae", AudioType.MPEG)) {
18.             ((DownloadHandlerAudioClip)www.downloadHandler).streamAudio = true;
19.             www.SendWebRequest();
20.             while (www.downloadProgress < 0.01) {
21.                 Debug.Log(www.downloadProgress);
22.                 yield return new WaitForSeconds(.1f);
23.             }
24.             if (www.isNetworkError) {
25.                 Debug.Log(www.error);
26.             }else {
27.                 AudioClip audioClip = ((DownloadHandlerAudioClip)www.downloadHandler).audioClip;
28.                 audioSource.clip = audioClip;
29.                 audioSource.Play();
30.             }
31.             while (www.downloadProgress < 1) {
32.                 audioSource.clip = ((DownloadHandlerAudioClip)www.downloadHandler).audioClip;
33.                 yield return new WaitForSeconds(0.1f);
34.             }
35.             audioSource.clip = ((DownloadHandlerAudioClip)www.downloadHandler).audioClip;
36.         }
37.     }
38.     public void SeekAudio() {
39.         audioSource.time = audioSource.time + 15;
40.     }
41. }

 

Thank you for the post!
I'm confused. This whole post is about seeking a streamed audio clip using UnityWebRequest. You told WereVarg to submit a bug report because this was not working.
The bug report at https://issuetracker.unity3d.com/is...e-partially-downloaded-audio-clip-doesnt-work states that the bug has been fixed as of Unity 2019.3

But you're saying that seeking a audio clip that has been streamed is not a feature that Unity supports?

Is there more to the bug report than the page that the link above takes me to?

 

After the track was downloaded we kinda recreated audioclip again to make it work. Am not sure right now what we did but try to get it with the stream set to false after the download is done. https://docs.unity3d.com/ScriptReference/WWW.GetAudioClip.html using this or setting downloadHandler.streamAudio to false.

 

They've resolved it as "by design", we used some backdoor accidentally left open ).

 

@WereVarg
Thanks for the reply!
I appreciate the clarification.
Ill try your suggestions.