//

//  MyRecorderController.m

//  MyRecorder

/*

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 */

#import "MyRecorderController.h"

@implementation MyRecorderController

- (void)awakeFromNib

{

// Create the capture session

    mCaptureSession = [[QTCaptureSession alloc] init];

// Connect inputs and outputs to the session    

    BOOL success = NO;

    NSError *error;

// Find a video device  

    QTCaptureDevice *videoDevice = [QTCaptureDevice defaultInputDeviceWithMediaType:QTMediaTypeVideo];

    success = [videoDevice open:&error];

// If a video input device can't be found or opened, try to find and open a muxed input device

    if (!success) {

        videoDevice = [QTCaptureDevice defaultInputDeviceWithMediaType:QTMediaTypeMuxed];

        success = [videoDevice open:&error];

    }

    if (!success) {

        videoDevice = nil;

        // Handle error

    }

    if (videoDevice) {

//Add the video device to the session as a device input

        mCaptureVideoDeviceInput = [[QTCaptureDeviceInput alloc] initWithDevice:videoDevice];

        success = [mCaptureSession addInput:mCaptureVideoDeviceInput error:&error];

        if (!success) {

            // Handle error

        }

// If the video device doesn't also supply audio, add an audio device input to the session

        if (![videoDevice hasMediaType:QTMediaTypeSound] && ![videoDevice hasMediaType:QTMediaTypeMuxed]) {

            QTCaptureDevice *audioDevice = [QTCaptureDevice defaultInputDeviceWithMediaType:QTMediaTypeSound];

            success = [audioDevice open:&error];

            if (!success) {

                audioDevice = nil;

                // Handle error

            }

            if (audioDevice) {

                mCaptureAudioDeviceInput = [[QTCaptureDeviceInput alloc] initWithDevice:audioDevice];

                success = [mCaptureSession addInput:mCaptureAudioDeviceInput error:&error];

                if (!success) {

                    // Handle error

                }

            }

        }

// Create the movie file output and add it to the session

        mCaptureMovieFileOutput = [[QTCaptureMovieFileOutput alloc] init];

        success = [mCaptureSession addOutput:mCaptureMovieFileOutput error:&error];

        if (!success) {

            // Handle error

        }

        [mCaptureMovieFileOutput setDelegate:self];

// Set the compression for the audio/video that is recorded to the hard disk.

    NSEnumerator *connectionEnumerator = [[mCaptureMovieFileOutput connections] objectEnumerator];

    QTCaptureConnection *connection;

    // iterate over each output connection for the capture session and specify the desired compression

    while ((connection = [connectionEnumerator nextObject])) {

        NSString *mediaType = [connection mediaType];

        QTCompressionOptions *compressionOptions = nil;

        // specify the video compression options

        // (note: a list of other valid compression types can be found in the QTCompressionOptions.h interface file)

        if ([mediaType isEqualToString:QTMediaTypeVideo]) {

            // use H.264

            compressionOptions = [QTCompressionOptions compressionOptionsWithIdentifier:@"QTCompressionOptions240SizeH264Video"];

        // specify the audio compression options

        } else if ([mediaType isEqualToString:QTMediaTypeSound]) {

            // use AAC Audio

            compressionOptions = [QTCompressionOptions compressionOptionsWithIdentifier:@"QTCompressionOptionsHighQualityAACAudio"];

        }

        // set the compression options for the movie file output

        [mCaptureMovieFileOutput setCompressionOptions:compressionOptions forConnection:connection];

    } 

// Associate the capture view in the UI with the session

        [mCaptureView setCaptureSession:mCaptureSession];

        [mCaptureSession startRunning];

    }

}

// Handle window closing notifications for your device input

- (void)windowWillClose:(NSNotification *)notification

{

    [mCaptureSession stopRunning];

    if ([[mCaptureVideoDeviceInput device] isOpen])

        [[mCaptureVideoDeviceInput device] close];

    if ([[mCaptureAudioDeviceInput device] isOpen])

        [[mCaptureAudioDeviceInput device] close];

}

// Handle deallocation of memory for your capture objects

- (void)dealloc

{

    [mCaptureSession release];

    [mCaptureVideoDeviceInput release];

    [mCaptureAudioDeviceInput release];

    [mCaptureMovieFileOutput release];

    [super dealloc];

}

#pragma mark-

// Add these start and stop recording actions, and specify the output destination for your recorded media. The output is a QuickTime movie.

- (IBAction)startRecording:(id)sender

{

    [mCaptureMovieFileOutput recordToOutputFileURL:[NSURL fileURLWithPath:@"/Users/Shared/My Recorded Movie.mov"]];

}

- (IBAction)stopRecording:(id)sender

{

    [mCaptureMovieFileOutput recordToOutputFileURL:nil];

}

// Do something with your QuickTime movie at the path you've specified at /Users/Shared/My Recorded Movie.mov"

- (void)captureOutput:(QTCaptureFileOutput *)captureOutput didFinishRecordingToOutputFileAtURL:(NSURL *)outputFileURL forConnections:(NSArray *)connections dueToError:(NSError *)error

{

    [[NSWorkspace sharedWorkspace] openURL:outputFileURL];

}

@end