were you able to accomplish what you intended to do . if yes , could you please help me to achieve that ?

Addition:

I saw, that vuforia uses the Unity built in fullscreenplayer on Android. So the fix for video from internal storage could only be done by Unity.

Hey everyone,

I found out, the videos in internal storage world-readable permissions will not play in Fullscreen on Android, because of world-readable permissions. Files in internal storage are only read/writable by the app, which stored them there. The used MediaPlayer in vuforia example for Android Fullscreen Play has no access to the file. If it were on sd-card, the mediaplayer could read it. But when it is not desired and you wish to use the videos only from internal storage, then you must use a FileDescriptor with MediaPlayer.setDataSource().

Implementation for native Android Code found in the net:

FileInputStream fi = new FileInputStream(file);
MediaPlayer pl = new MediaPlayer();
pl.setDataSource(fi.getFD());
pl.prepare();
pl.start();

(solution for Android Code found here: http://stackoverflow.com/questions/9732609/videoview-can-play-mp4-file-in-application-data-directory)

I don´t know, if I could change vuforia Code for Android Fullscreen Play by myself, but I think not. May be in some of the next versions Vuforia could bring this "fix" in the VideoExample. If it is needed. May be the most people don´t need it. For now and a "quickfix" I will use SD-Card on Android.

Greetings,

Martin

You are welcome to search the forums, however this is not really anything to do with Vuforia, so you may not have much luck here.

Hi Alessandro,

Do you know how to download video from my server and save it?

Thank you in advance.

Yes, I did so but no solution yet. I tried the standard persistantDataPath given bei Unity:

/data/data/myproject/files/movie.mp4

This works on devices, which can play video to texture. But not on the other, even they can play Fullscreen.

So I tested the same what you do in the vuforia Video Sample.

I extended the path with file:// at the beginning, but this doesn´t work to. I will try other things. First looking to native JAVA/Android programming and solving the problem there and I will give Feedback, what is needed in Unity/Vuforia to solve this problem.

Thanks for your answer.

Hi,

the fullscreen case relies on the variable mFullScreenFilename in the VideoPlayerHelper.cs script

(in Assets/Vuforia Video Playback/Scripts/).

You may need to adjust the value of that variable for that specific case, as the sample is meant to show the general functionality, but the sample code might need to be slightly adjusted for custom / specific cases.

Hi Alessandro,

sorry for opening this thread again, but my question fits on this one. Everything is the same as in the example of scoopandspoon.

The videos are downloaded and saved in persistanceDataPath. On iOS all is fine. But Android makes problems. Devices which are able to play video as texture work. But devices, which are NOT able to play video as texture, don´t show the video. They are able to show them in Fullscreenmode, I checked that with the vuforia example and in reading the debugflags. But it seems, they show the FullscreenVideo only then, when the video is in the streamingAssetsFolder. If I save them in persistantDataPath, devices witjh texture-ability can play them, devices without video-texture-ability can´t play the fullscreen video. I think it has something to do with the path, the Fullscreenplayer can´t find the video. But I am not sure, if this is realy the problem. It´s just my thought.

Have you tested video in persistantDataPath on Android with Devices, that only support FullscreenMode?

Greetings,

Martin

HI, scoopandspoon.

I want to ask you how to download video from my server and save it on ipad.

Thanks you in advance.

You're welcome.

Thanks,

your help is very much appreciated. The code you posted looks quite interesting. Haven't been able to get it to work yet, but once I have a little more time at my hand, I'll give it another go and definitely report back.

Thanks again.

Hi, I have investigated the issue a bit more, and I managed to play the video from the persistentDataPath;

I will share with you the steps I have followed:

1. Manually copied a video file from my PC to the device SD card (I did that using ADB push, via USB)
2. Setting the file Path in the Unity Editor inspector to /mnt/sdcard/Movies/video1.m4v
3. Added the code below in the public bool Play(bool fullScreen, float seekPosition) function in VideoPlayerHalper.cs

public bool Play(bool fullScreen, float seekPosition)
    {
        // On Android we use Unity's built-in full screen movie player

        // On iOS we overlay a native full screen player as a new subview of the main window
        // (note that the Unity engine is not paused in this case)
		
		Debug.Log("=====");
		Debug.Log("=====");
		Debug.Log("=====");
		
		Debug.Log("mFilename is: " + mFilename);
		
		if (File.Exists (mFilename)) {
			Debug.Log ("File " + mFilename + " exists.");
		}
		else {
			Debug.Log ("Warning !!! - File " + mFilename + " does not exist");
		}
		
		
		string filenameInPersistentDataPath = Application.persistentDataPath + "/" + "copy.m4v";
		Debug.Log("filenameInPersistentDataPath is: " + filenameInPersistentDataPath);
		
		if (File.Exists (filenameInPersistentDataPath)) {
			Debug.Log ("File " + filenameInPersistentDataPath + " exists.");
		}
		else {
			Debug.Log ("Warning !!! - File " + filenameInPersistentDataPath + " does not exist");
			
			// Let's copy the file, since it does not exist yet
			Debug.Log ("Copying file to persisteneDataPath ");
			try 
			{
				File.Copy(mFilename, filenameInPersistentDataPath);
				Debug.Log ("Successfully copied file to persistentDataPath !");
			}
			catch (Exception ex) 
			{
				Debug.Log (" !!! - Failed to copy file to persistentDataPath");
				Debug.Log (ex.Message);
			}
		}
		
		
		Debug.Log ("Verification - Listing files in persistentDataPath: " + Application.persistentDataPath);
		string[] pdpFiles = Directory.GetFiles(Application.persistentDataPath);
		foreach (string fn in pdpFiles) 
			Debug.Log (fn);
		
		
		
		if (File.Exists(filenameInPersistentDataPath))
		{
			mFilename = filenameInPersistentDataPath;
			Debug.Log ("setting the mFilename to the filenameInPersistentDataPath");
		}
		
		
		Debug.Log ("Starting playing file: " + mFilename);
		
		
		if (fullScreen && (Application.platform == RuntimePlatform.Android))
        {
            if (mFilename == null)
            {
                return false;
            }

            Handheld.PlayFullScreenMovie(mFullScreenFilename, Color.black, FullScreenMovieControlMode.Full, FullScreenMovieScalingMode.AspectFit);
            return true;
        }
        else
        {
            return videoPlayerPlay(fullScreen, seekPosition);
        }
    }

Hi,

thanks for the info. That sounds very interesting. I'll do a test and report back.

However, since I don't know if users have a sdcard installed, I can't 100% rely on that. Anyways, still worth a shot.

Hi, it seems that using the Application.persistentDataPath (i.e. "/data/data/com.myorg.myproj/files") can incur in some read/write issues; this may possibly affect the ability of the videoplayer to load such file (although it is not clear why some Unity functions succeed in writing and reading from there, while the videoplayer fails);

however I have managed to use the SD Card of the Android device (instead of the persistentDataPath);

the path to the SD Card is specified by:

"/mnt/sdcard/"

so, if you have for instance a video called "myvideo.m4v" in a directory called "videos" in the sdcard, then the correct path to the video will be:

"/mnt/sdcard/videos/myvideo.m4v"

So, to make a simple test you could just copy your video file to the device SD card and just set the m_path variable to such path (/mnt/sdcard/ .....);

in my case this worked flawlessly for a few devices.

If that works, the next steps would be to consider one of these two options:

1. store the downloaded videos into the sdcard (if your downloading code allows for such a thing)
2. dynamically copy (using some simple C# script functions) the downlaoded videos from the persistentDataPath into the SDCard

Could you do such test ?

Hello,

yes, I'm using the video-on-texture.

Hi, can you confirm that you are using the "video-on-texture" and not the fullscreen one ?

(asking because this can make a difference in the way the file path is handled)