Problem with android MediaRecorder setVideoSize()

user483135 picture user483135 · Oct 21, 2010 · Viewed 9.9k times · Source

Can android MediaRecorder capture video with resolution higher than 320*240?

When I used MediaRecorder::setVideoSize() to set the video size, the captured video were all at the resolution of 320*240. Whats even worse, the higher ones can not get a clear video, they were somehow greenish. (encoder used is h263, format is mpeg4)

Android version used here is 1.6

Could you please anyone help me out?

Answer

Lasse Samson picture Lasse Samson · Nov 4, 2011

I had an issue similar to what is described here. I turned out that I had to restructure my code slightly before I could adjust the video size.

The important thing is that setVideoSize() is called before setVideoEncoder(). I can't find this in the documentation, however it solved my problems with setting a specific video resolution. Also keep in mind that setOutputFormat() should be called before setVideoSize().

As as side note the same is true for setVideoFrameRate(). If it is not called before setVideoEncoder() it will not have any affect.

This was tested with Android 2.3.3

Here is a code example:

recorder.setAudioSource(MediaRecorder.AudioSource.DEFAULT);
recorder.setVideoSource(MediaRecorder.VideoSource.DEFAULT);
recorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
recorder.setVideoSize(640,480);
recorder.setVideoFrameRate(30);
recorder.setVideoEncoder(MediaRecorder.VideoEncoder.DEFAULT);
recorder.setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT);