/**
* Returns a description of the stream using SDP. It can then be included in an SDP file.
*/
public System.String getSessionDescription()
{
lock (this)
{
if (mConfig == null)
{
throw new IllegalStateException("You need to call configure() first !");
}
return("m=video " + getDestinationPorts()[0].ToString() + " RTP/AVP 96\r\n" +
"a=rtpmap:96 H264/90000\r\n" +
"a=fmtp:96 packetization-mode=1;profile-level-id=" + mConfig.getProfileLevel() + ";sprop-parameter-sets=" + mConfig.getB64SPS() + "," + mConfig.getB64PPS() + ";\r\n");
}
}
// Should not be called by the UI thread
private MP4Config testMediaRecorderAPI()
{
System.String key = PREF_PREFIX + "h264-mr-" + mRequestedQuality.framerate + "," + mRequestedQuality.resX + "," + mRequestedQuality.resY;
if (mSettings != null && mSettings.Contains(key))
{
System.String[] s = mSettings.GetString(key, "").Split(',');
return(new MP4Config(s[0], s[1], s[2]));
}
if (!Android.OS.Environment.ExternalStorageState.Equals(Android.OS.Environment.MediaMounted))
{
throw new StorageUnavailableException("No external storage or external storage not ready !");
}
System.String TESTFILE = Android.OS.Environment.ExternalStorageDirectory.ToString() + "/spydroid-test.mp4";
Log.Info(TAG, "Testing H264 support... Test file saved at: " + TESTFILE);
try {
File file = new File(TESTFILE);
file.CreateNewFile();
} catch (IOException e) {
throw new StorageUnavailableException(e.Message);
}
// Save flash state & set it to false so that led remains off while testing h264
bool savedFlashState = mFlashEnabled;
mFlashEnabled = false;
bool previewStarted = mPreviewStarted;
bool cameraOpen = mCamera != null;
createCamera();
// Stops the preview if needed
if (mPreviewStarted)
{
lockCamera();
try {
mCamera.stopPreview();
} catch (Exception e) {}
mPreviewStarted = false;
}
try {
Thread.Sleep(100);
} catch (InterruptedException e1) {
// TODO Auto-generated catch block
e1.PrintStackTrace();
}
unlockCamera();
try {
mMediaRecorder = new MediaRecorder();
mMediaRecorder.SetCamera(mCamera);
mMediaRecorder.SetVideoSource(VideoSource.Camera);
mMediaRecorder.SetOutputFormat(OutputFormat.ThreeGpp);
mMediaRecorder.SetVideoEncoder((VideoEncoder)mVideoEncoder);
mMediaRecorder.SetPreviewDisplay(mSurfaceView.Holder.Surface);
mMediaRecorder.SetVideoSize(mRequestedQuality.resX, mRequestedQuality.resY);
mMediaRecorder.SetVideoFrameRate(mRequestedQuality.framerate);
mMediaRecorder.SetVideoEncodingBitRate((int)(mRequestedQuality.bitrate * 0.8));
mMediaRecorder.SetOutputFile(TESTFILE);
mMediaRecorder.SetMaxDuration(3000);
// We wait a little and stop recording
mMediaRecorder.SetOnInfoListener(this);
/*mMediaRecorder.SetOnInfoListener(new MediaRecorder.IOnInfoListener() {
* public void onInfo(MediaRecorder mr, int what, int extra) {
* Log.d(TAG,"MediaRecorder callback called !");
* if (what==MediaRecorder.MEDIA_RECORDER_INFO_MAX_DURATION_REACHED) {
* Log.d(TAG,"MediaRecorder: MAX_DURATION_REACHED");
* } else if (what==MediaRecorder.MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED) {
* Log.d(TAG,"MediaRecorder: MAX_FILESIZE_REACHED");
* } else if (what==MediaRecorder.MEDIA_RECORDER_INFO_UNKNOWN) {
* Log.d(TAG,"MediaRecorder: INFO_UNKNOWN");
* } else {
* Log.d(TAG,"WTF ?");
* }
* mLock.release();
* }
* });*/
// Start recording
mMediaRecorder.Prepare();
mMediaRecorder.Start();
if (mLock.TryAcquire(6, TimeUnit.Seconds))
{
Log.d(TAG, "MediaRecorder callback was called :)");
Thread.Sleep(400);
}
else
{
Log.d(TAG, "MediaRecorder callback was not called after 6 seconds... :(");
}
} catch (IOException e) {
throw new ConfNotSupportedException(e.Message);
} catch (RuntimeException e) {
throw new ConfNotSupportedException(e.Message);
} catch (InterruptedException e) {
e.PrintStackTrace();
} finally {
try {
mMediaRecorder.stop();
} catch (Java.Lang.Exception e) {}
mMediaRecorder.Release();
mMediaRecorder = null;
lockCamera();
if (!cameraOpen)
{
destroyCamera();
}
// Restore flash state
mFlashEnabled = savedFlashState;
if (previewStarted)
{
// If the preview was started before the test, we try to restart it.
try {
startPreview();
} catch (Java.Lang.Exception e) {}
}
}
// Retrieve SPS & PPS & ProfileId with MP4Config
MP4Config config = new MP4Config(TESTFILE);
// Delete dummy video
File file = new File(TESTFILE);
if (!file.Delete())
{
Log.e(TAG, "Temp file could not be erased");
}
Log.i(TAG, "H264 Test succeded...");
// Save test result
if (mSettings != null)
{
ISharedPreferencesEditor editor = mSettings.Edit();
editor.PutString(key, config.getProfileLevel() + "," + config.getB64SPS() + "," + config.getB64PPS());
editor.Commit();
}
return(config);
}