Databases
StackOverflow2013
Postsdbo
PO
 

Note that there are some explanatory texts on larger screens.

plurals
  1. PO
    primarykey
    data
    text
    <p>Use GPUImage framework only that you are using... that is best framework until now for video filters. GO through the documentation of the framework <a href="https://github.com/BradLarson/GPUImage" rel="nofollow">https://github.com/BradLarson/GPUImage</a> scroll down the page you will find the details of the filters available...</p> <p>this filters are applied on the video and to write the video you have to use the GPUImageMovieWriter class...It automatically handles audio ..</p> <p>you don't have to maintain it...Use shouldPassThroughAudio property of GPUImageMovieWriter and it will manage the audio on its own.</p> <p>Use this tutorial for help <a href="http://www.sunsetlakesoftware.com/2012/02/12/introducing-gpuimage-framework" rel="nofollow">http://www.sunsetlakesoftware.com/2012/02/12/introducing-gpuimage-framework</a></p> <p>Here is the code where I am using GPUImage framework to crop the video and audio is stored not removed after editing.</p> <p>NSURL *videoUrl = [selectedAsset defaultRepresentation].url;</p> <pre><code>GPUImageMovie *movieUrl = [[GPUImageMovie alloc] initWithURL:videoUrl]; self.cropFilter = [[GPUImageCropFilter alloc] initWithCropRegion:videoArea]; movieUrl.runBenchmark = YES; movieUrl.playAtActualSpeed = YES; [movieUrl addTarget:self.cropFilter]; //Setting path for temporary storing the video in document directory NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory = [paths objectAtIndex:0]; NSString *myPathDocs = [documentsDirectory stringByAppendingPathComponent: [NSString stringWithFormat:@"CroppedVideo-%d.mov",arc4random() % 1000]]; NSURL *movieURL = [NSURL fileURLWithPath:myPathDocs]; AVURLAsset *asset = [AVURLAsset URLAssetWithURL:videoUrl options:nil]; AVAssetTrack *videoAssetTrack = [[asset tracksWithMediaType:AVMediaTypeVideo] objectAtIndex:0]; CGAffineTransform videoTransform = videoAssetTrack.preferredTransform; movieWriter = [[GPUImageMovieWriter alloc] initWithMovieURL:movieURL size:CGSizeMake(videoAssetTrack.naturalSize.width, videoAssetTrack.naturalSize.height)]; [_cropFilter addTarget:movieWriter]; movieWriter.shouldPassthroughAudio = YES; movieUrl.audioEncodingTarget = movieWriter; [movieUrl enableSynchronizedEncodingUsingMovieWriter:movieWriter]; [self.movieWriter startRecordingInOrientation:videoTransform]; [self.movieWriter startRecording]; [movieUrl startProcessing]; __block BOOL completeRec = NO; __unsafe_unretained typeof(self) weakSelf = self; [self.movieWriter setCompletionBlock:^{ [weakSelf.cropFilter removeTarget:weakSelf.movieWriter]; [weakSelf.movieWriter finishRecording]; [movieUrl removeTarget:weakSelf.cropFilter]; if (!completeRec) { [weakSelf videoCropDoneUrl:movieURL]; completeRec = YES; } }]; </code></pre>
    singulars
    1. This table or related slice is empty.
    1. POApplying filters on a video file
      singulars
      1. PTQuestion
    1. PTAnswer
    1. USParvez Belim
    1. USParvez Belim
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. CONone of that will help them play audio from a movie using the framework, since that capability doesn't currently exist within the framework.
      singulars
      1. PO
      1. USBrad Larson
    2. CO@BradLarson Ohh! thats the reason.I have downloaded your class long time ago.
      singulars
      1. PO
      1. USParvez Belim
    3. CO@ParvezBelim GPUImage is technically a framework, not a 'class'.
      singulars
      1. PO
      1. USDavid Schwartz
 

Querying!

 
Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload