I've got the code below. The one problem that I am running into is that a file
is created called myoutputfile.mp4. Unfortunately, the file has 0 bytes in it.
Is there something that I am doing that is not writing the file to the sd
card? Any other suggestions are welcome as well.
Wally
[Activity (Label = "Record Video")]
public class RecordVideo : Activity, ISurfaceHolderCallback
{
MediaRecorder mediaRecorder;
SurfaceView sv;
protected override void OnCreate (Bundle bundle)
{
base.OnCreate (bundle);
SetContentView(Resource.Layout.RecordVideo);
var btnStart = FindViewById<Button>(Resource.Id.StartVid);
btnStart.Click += HandleBtnStartClick;
var btnStop = FindViewById<Button>(Resource.Id.StopVid);
btnStop.Click += HandleBtnStopClick;
sv = FindViewById<SurfaceView>(Resource.Id.displayVid);
var holder = sv.Holder;
holder.AddCallback(this);
holder.SetType(Android.Views.SurfaceType.PushBuffers);
holder.SetFixedSize(400, 300);
}
void HandleBtnStopClick (object sender, EventArgs e)
{
mediaRecorder.Stop();
}
void HandleBtnStartClick(object sender, EventArgs e)
{
try
{
mediaRecorder.Start();
}
catch (System.Exception sysExc)
{
Android.Util.Log.Error("Record Video", sysExc.Message);
}
}
#region ISurfaceHolderCallback implementation
void ISurfaceHolderCallback.SurfaceChanged (ISurfaceHolder holder, int
format, int width, int height)
{
}
void ISurfaceHolderCallback.SurfaceCreated(ISurfaceHolder holder)
{
try
{
mediaRecorder = new MediaRecorder();
// Configure the input sources
mediaRecorder.SetAudioSource(Android.Media.AudioSource.Mic);
mediaRecorder.SetVideoSource(Android.Media.VideoSource.Camera);
// Set the output format
mediaRecorder.SetOutputFormat(Android.Media.OutputFormat.Default);
// Specify the audio and video encoding
mediaRecorder.SetAudioEncoder(Android.Media.AudioEncoder.Default);
mediaRecorder.SetVideoEncoder(Android.Media.VideoEncoder.Default);
// Specify the output file
mediaRecorder.SetOutputFile("/sdcard/myoutputfile.mp4");
mediaRecorder.SetPreviewDisplay(holder.Surface);
// Prepare to record
mediaRecorder.Prepare();
}
catch (System.Exception sysExc)
{
Android.Util.Log.Error("Record Video", sysExc.Message);
}
}
void ISurfaceHolderCallback.SurfaceDestroyed (ISurfaceHolder holder)
{
mediaRecorder.Release();
}
#endregion
}
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