public override void FinishedRecording (AVCaptureFileOutput captureOutput, NSUrl outputFileUrl, NSObject[] connections, NSError error)
{
try {
FinishedRecordingInternal (captureOutput, outputFileUrl, connections, error);
} catch (Exception ex) {
string errorMessage = string.Format ("Exception during movie recording finish handler: {0}", ErrorHandling.GetExceptionDetailedText (ex) );
OnCaptureError (errorMessage);
}
}
void FinishedRecordingInternal (AVCaptureFileOutput captureOutput, NSUrl outputFileUrl, NSObject[] connections, NSError nsError)
{
if ( nsError != null ) {
// we are hoping for an 'error' object that contains three items
// this error is expected because we have specified a file size limit and the streaming
// session has filled it up so we need to let the world know by raising an event.
// note that a correctly recorded file calls the delegate with an error code even
// though this is not (always) an actual error. We have to check the code to know for sure.
var userInfo = nsError.UserInfo;
// handle recording stoppage due to file size limit
if ((userInfo.Keys.Length == 3) && (nsError.Code == -11811)) {
var k0 = userInfo.Keys[0];
var v0 = userInfo.Values[0];
int segmentLength;
if (k0.ToString () != "AVErrorFileSizeKey" ||
(int.TryParse (v0.ToString (), out segmentLength) == false ) ||
segmentLength == 0) {
OnMovieSegmentRecordingComplete (null, 0, true);
} else {
string path = outputFileUrl.Path;
OnMovieSegmentRecordingComplete (path, segmentLength, false);
}
} else if (userInfo.Keys.Length == 3 && nsError.Code == -11810) {
var k0 = userInfo.Keys[0];
if (k0.ToString () != "AVErrorTimeKey") {
OnMovieSegmentRecordingComplete (null, 0, true);
} else {
string path = outputFileUrl.Path;
OnMovieSegmentRecordingComplete (path, 0, false);
}
} else {
// unexpected error code indicates a real error
OnCaptureError ($"\"Error during movie recording finish handler: {ErrorHandling.GetNSErrorString (nsError)}");
}
} else {
string path = outputFileUrl.Path;
if ( File.Exists(path) == true ) {
OnMovieSegmentRecordingComplete( path, 0, false );
} else {
OnCaptureError ($"file not written: {path}");
}
}
}
public override void DidStartRecording
(
AVCaptureFileOutput captureOutput,
NSUrl outputFileUrl,
NSObject[] connections
)
{
string path = outputFileUrl.Path;
onMovieSegmentRecordingStarted( path );
}
public void FinishedRecording (AVCaptureFileOutput captureOutput, NSUrl outputFileUrl, NSObject [] connections, NSError error)
{
// Note that currentBackgroundRecordingID is used to end the background task associated with this recording.
// This allows a new recording to be started, associated with a new UIBackgroundTaskIdentifier, once the movie file output's isRecording property
// is back to false — which happens sometime after this method returns.
// Note: Since we use a unique file path for each recording, a new recording will not overwrite a recording currently being saved.
Action cleanup = () => {
var path = outputFileUrl.Path;
if (NSFileManager.DefaultManager.FileExists (path)) {
NSError err;
if (!NSFileManager.DefaultManager.Remove (path, out err))
Console.WriteLine ($"Could not remove file at url: {outputFileUrl}");
}
var currentBackgroundRecordingID = backgroundRecordingID;
if (currentBackgroundRecordingID != -1) {
backgroundRecordingID = -1;
UIApplication.SharedApplication.EndBackgroundTask (currentBackgroundRecordingID);
}
};
bool success = true;
if (error != null) {
Console.WriteLine ($"Movie file finishing error: {error.LocalizedDescription}");
success = ((NSNumber)error.UserInfo [AVErrorKeys.RecordingSuccessfullyFinished]).BoolValue;
}
if (success) {
// Check authorization status.
PHPhotoLibrary.RequestAuthorization (status => {
if (status == PHAuthorizationStatus.Authorized) {
// Save the movie file to the photo library and cleanup.
PHPhotoLibrary.SharedPhotoLibrary.PerformChanges (() => {
var options = new PHAssetResourceCreationOptions {
ShouldMoveFile = true
};
var creationRequest = PHAssetCreationRequest.CreationRequestForAsset ();
creationRequest.AddResource (PHAssetResourceType.Video, outputFileUrl, options);
}, (success2, error2) => {
if (!success2)
Console.WriteLine ($"Could not save movie to photo library: {error2}");
cleanup ();
});
} else {
cleanup ();
}
});
} else {
cleanup ();
}
// Enable the Camera and Record buttons to let the user switch camera and start another recording.
DispatchQueue.MainQueue.DispatchAsync (() => {
// Only enable the ability to change camera if the device has more than one camera.
CameraButton.Enabled = UniqueDevicePositionsCount (videoDeviceDiscoverySession) > 1;
RecordButton.Enabled = true;
CaptureModeControl.Enabled = true;
RecordButton.SetTitle ("Record", UIControlState.Normal);
});
}
public void DidStartRecording (AVCaptureFileOutput captureOutput, NSUrl outputFileUrl, NSObject [] connections)
{
// Enable the Record button to let the user stop the recording.
DispatchQueue.MainQueue.DispatchAsync (() => {
RecordButton.Enabled = true;
RecordButton.SetTitle ("Stop", UIControlState.Normal);
});
}
void FinishedRecordingInternal(AVCaptureFileOutput captureOutput, NSUrl outputFileUrl, NSObject[] connections, NSError nsError)
{
if (nsError != null)
{
// we are hoping for an 'error' object that contains three items
// this error is expected because we have specified a file size limit and the streaming
// session has filled it up so we need to let the world know by raising an event.
// note that a correctly recorded file calls the delegate with an error code even
// though this is not (always) an actual error. We have to check the code to know for sure.
var userInfo = nsError.UserInfo;
// handle recording stoppage due to file size limit
if ((userInfo.Keys.Length == 3) && (nsError.Code == -11811))
{
var k0 = userInfo.Keys[0];
var v0 = userInfo.Values[0];
int segmentLength;
if (k0.ToString() != "AVErrorFileSizeKey" ||
(int.TryParse(v0.ToString(), out segmentLength) == false) ||
segmentLength == 0)
{
OnMovieSegmentRecordingComplete(null, 0, true);
}
else
{
string path = outputFileUrl.Path;
OnMovieSegmentRecordingComplete(path, segmentLength, false);
}
}
else if (userInfo.Keys.Length == 3 && nsError.Code == -11810)
{
var k0 = userInfo.Keys[0];
if (k0.ToString() != "AVErrorTimeKey")
{
OnMovieSegmentRecordingComplete(null, 0, true);
}
else
{
string path = outputFileUrl.Path;
OnMovieSegmentRecordingComplete(path, 0, false);
}
}
else
{
// unexpected error code indicates a real error
OnCaptureError($"\"Error during movie recording finish handler: {ErrorHandling.GetNSErrorString (nsError)}");
}
}
else
{
string path = outputFileUrl.Path;
if (File.Exists(path) == true)
{
OnMovieSegmentRecordingComplete(path, 0, false);
}
else
{
OnCaptureError($"file not written: {path}");
}
}
}
public override void DidStartRecording(AVCaptureFileOutput captureOutput, NSUrl outputFileUrl, NSObject[] connections)
{
string path = outputFileUrl.Path;
OnMovieSegmentRecordingStarted(path);
}
public void FinishedRecording(AVCaptureFileOutput captureOutput, NSUrl outputFileUrl, NSObject [] connections, NSError error)
{
// Note that currentBackgroundRecordingID is used to end the background task associated with this recording.
// This allows a new recording to be started, associated with a new UIBackgroundTaskIdentifier, once the movie file output's isRecording property
// is back to false — which happens sometime after this method returns.
// Note: Since we use a unique file path for each recording, a new recording will not overwrite a recording currently being saved.
Action cleanup = () => {
var path = outputFileUrl.Path;
if (NSFileManager.DefaultManager.FileExists(path))
{
NSError err;
if (!NSFileManager.DefaultManager.Remove(path, out err))
{
Console.WriteLine($"Could not remove file at url: {outputFileUrl}");
}
}
var currentBackgroundRecordingID = backgroundRecordingID;
if (currentBackgroundRecordingID != -1)
{
backgroundRecordingID = -1;
UIApplication.SharedApplication.EndBackgroundTask(currentBackgroundRecordingID);
}
};
bool success = true;
if (error != null)
{
Console.WriteLine($"Movie file finishing error: {error.LocalizedDescription}");
success = ((NSNumber)error.UserInfo [AVErrorKeys.RecordingSuccessfullyFinished]).BoolValue;
}
if (success)
{
// Check authorization status.
PHPhotoLibrary.RequestAuthorization(status => {
if (status == PHAuthorizationStatus.Authorized)
{
// Save the movie file to the photo library and cleanup.
PHPhotoLibrary.SharedPhotoLibrary.PerformChanges(() => {
var options = new PHAssetResourceCreationOptions {
ShouldMoveFile = true
};
var creationRequest = PHAssetCreationRequest.CreationRequestForAsset();
creationRequest.AddResource(PHAssetResourceType.Video, outputFileUrl, options);
}, (success2, error2) => {
if (!success2)
{
Console.WriteLine($"Could not save movie to photo library: {error2}");
}
cleanup();
});
}
else
{
cleanup();
}
});
}
else
{
cleanup();
}
// Enable the Camera and Record buttons to let the user switch camera and start another recording.
DispatchQueue.MainQueue.DispatchAsync(() => {
// Only enable the ability to change camera if the device has more than one camera.
CameraButton.Enabled = UniqueDevicePositionsCount(videoDeviceDiscoverySession) > 1;
RecordButton.Enabled = true;
CaptureModeControl.Enabled = true;
RecordButton.SetTitle("Record", UIControlState.Normal);
});
}
public void FinishedRecording (AVCaptureFileOutput captureOutput, NSUrl outputFileUrl, NSObject [] connections, NSError error)
{
// Note that currentBackgroundRecordingID is used to end the background task associated with this recording.
// This allows a new recording to be started, associated with a new UIBackgroundTaskIdentifier, once the movie file output's Recording property
// is back to false — which happens sometime after this method returns.
// Note: Since we use a unique file path for each recording, a new recording will not overwrite a recording currently being saved.
var currentBackgroundRecordingID = backgroundRecordingID;
backgroundRecordingID = -1;
Action cleanup = () => {
NSError err;
if (NSFileManager.DefaultManager.FileExists (outputFileUrl.Path))
NSFileManager.DefaultManager.Remove (outputFileUrl, out err);
if (currentBackgroundRecordingID != -1)
UIApplication.SharedApplication.EndBackgroundTask (currentBackgroundRecordingID);
};
var success = true;
if (error != null) {
Console.WriteLine ($"Error occurred while capturing movie: {error}");
success = error.UserInfo [AVErrorKeys.RecordingSuccessfullyFinished].AsBool ();
}
if (success) {
PHPhotoLibrary.RequestAuthorization (status => {
if (status == PHAuthorizationStatus.Authorized) {
// Save the movie file to the photo library and cleanup
PHPhotoLibrary.SharedPhotoLibrary.PerformChanges (() => {
// In iOS 9 and later, it's possible to move the file into the photo library without duplicating the file data.
// This avoids using double the disk space during save, which can make a difference on devices with limited free disk space.
var options = new PHAssetResourceCreationOptions { ShouldMoveFile = true };
PHAssetCreationRequest changeRequest = PHAssetCreationRequest.CreationRequestForAsset ();
changeRequest.AddResource (PHAssetResourceType.Video, outputFileUrl, options);
}, (result, err) => {
if (!result)
Console.WriteLine ($"Could not save movie to photo library: {err}");
cleanup ();
});
} else {
cleanup ();
}
});
} else {
cleanup ();
}
// Enable the Camera and Record buttons to let the user switch camera and start another recording
DispatchQueue.MainQueue.DispatchAsync (() => {
// Only enable the ability to change camera if the device has more than one camera
CameraButton.Enabled = (AVCaptureDevice.DevicesWithMediaType (AVMediaType.Video).Length > 1);
RecordButton.Enabled = CaptureModeControl.SelectedSegment == (int)CaptureMode.Movie;
RecordButton.SetTitle ("Record", UIControlState.Normal);
CaptureModeControl.Enabled = true;
});
}
public override void DidStartRecording(AVCaptureFileOutput captureOutput, NSUrl outputFileUrl,
NSObject[] connections)
{
_didStart?.Invoke();
}
public void FinishedRecording(AVCaptureFileOutput captureOutput, NSUrl outputFileUrl, NSObject[] connections, NSError error)
{
}
public void FinishedRecording (AVCaptureFileOutput captureOutput, NSUrl outputFileUrl, NSObject[] connections, NSError error)
{
// Note that currentBackgroundRecordingID is used to end the background task associated with this recording.
// This allows a new recording to be started, associated with a new UIBackgroundTaskIdentifier, once the movie file output's isRecording property
// is back to NO — which happens sometime after this method returns.
// Note: Since we use a unique file path for each recording, a new recording will not overwrite a recording currently being saved.
var currentBackgroundRecordingID = backgroundRecordingID;
backgroundRecordingID = -1;
Action cleanup = () => {
NSError err;
NSFileManager.DefaultManager.Remove (outputFileUrl, out err);
if (currentBackgroundRecordingID != -1)
UIApplication.SharedApplication.EndBackgroundTask (currentBackgroundRecordingID);
};
bool success = true;
if (error != null) {
Console.WriteLine ("Movie file finishing error: {0}", error);
success = ((NSNumber)error.UserInfo [AVErrorKeys.RecordingSuccessfullyFinished]).BoolValue;
}
if (!success) {
cleanup ();
return;
}
// Check authorization status.
PHPhotoLibrary.RequestAuthorization (status => {
if (status == PHAuthorizationStatus.Authorized) {
// Save the movie file to the photo library and cleanup.
PHPhotoLibrary.SharedPhotoLibrary.PerformChanges (() => {
// In iOS 9 and later, it's possible to move the file into the photo library without duplicating the file data.
// This avoids using double the disk space during save, which can make a difference on devices with limited free disk space.
if (UIDevice.CurrentDevice.CheckSystemVersion (9, 0)) {
var options = new PHAssetResourceCreationOptions {
ShouldMoveFile = true
};
var changeRequest = PHAssetCreationRequest.CreationRequestForAsset ();
changeRequest.AddResource (PHAssetResourceType.Video, outputFileUrl, options);
} else {
PHAssetChangeRequest.FromVideo (outputFileUrl);
}
}, (success2, error2) => {
if (!success2)
Console.WriteLine ("Could not save movie to photo library: {0}", error2);
cleanup ();
});
} else {
cleanup ();
}
});
}
public void FinishedRecording(AVCaptureFileOutput captureOutput, NSUrl outputFileUrl, NSObject[] connections, NSError error)
{
// Note that currentBackgroundRecordingID is used to end the background task associated with this recording.
// This allows a new recording to be started, associated with a new UIBackgroundTaskIdentifier, once the movie file output's isRecording property
// is back to NO — which happens sometime after this method returns.
// Note: Since we use a unique file path for each recording, a new recording will not overwrite a recording currently being saved.
var currentBackgroundRecordingID = backgroundRecordingID;
backgroundRecordingID = -1;
Action cleanup = () => {
NSError err;
NSFileManager.DefaultManager.Remove(outputFileUrl, out err);
if (currentBackgroundRecordingID != -1)
{
UIApplication.SharedApplication.EndBackgroundTask(currentBackgroundRecordingID);
}
};
bool success = true;
if (error != null)
{
Console.WriteLine("Movie file finishing error: {0}", error);
success = ((NSNumber)error.UserInfo [AVErrorKeys.RecordingSuccessfullyFinished]).BoolValue;
}
if (!success)
{
cleanup();
return;
}
// Check authorization status.
PHPhotoLibrary.RequestAuthorization(status => {
if (status == PHAuthorizationStatus.Authorized)
{
// Save the movie file to the photo library and cleanup.
PHPhotoLibrary.SharedPhotoLibrary.PerformChanges(() => {
// In iOS 9 and later, it's possible to move the file into the photo library without duplicating the file data.
// This avoids using double the disk space during save, which can make a difference on devices with limited free disk space.
if (UIDevice.CurrentDevice.CheckSystemVersion(9, 0))
{
var options = new PHAssetResourceCreationOptions {
ShouldMoveFile = true
};
var changeRequest = PHAssetCreationRequest.CreationRequestForAsset();
changeRequest.AddResource(PHAssetResourceType.Video, outputFileUrl, options);
}
else
{
PHAssetChangeRequest.FromVideo(outputFileUrl);
}
}, (success2, error2) => {
if (!success2)
{
Console.WriteLine("Could not save movie to photo library: {0}", error2);
}
cleanup();
});
}
else
{
cleanup();
}
});
}
