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PONot Able to Generate Thumbnail Image from the Recorded Video
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copied!<p>I am Generating the thumbnail from the recorded video which is stored in the documents directory that video can't not be more than to the 1 minute. till the recording time everything works properly.as i try to generate the thumbnail from that recorded video got nothing.i have used the two way for the same </p> <ul> <li><p><strong>By using the MPMoviePlayerController</strong></p> <pre><code>-(void)generateThumbnail:(NSURL*)assetURL{ if(assetURL){ MPMoviePlayerController *player = [[MPMoviePlayerController alloc] initWithContentURL:assetURL]; UIImage *thumbnail = [player thumbnailImageAtTime:1.0 timeOption:MPMovieTimeOptionNearestKeyFrame]; //AT THIS POINT AS I CHECK IT THIS thumbnail contains 0X000000 player = nil; if (thumbnail) { //will use that image to further } else { //here wil doing some intimation } } } </code></pre> <p>As Above method finish with the execution got these logs</p> <p>Autoplay: Enabling autoplay Autoplay: Likely to keep up or full buffer: 0 [MPAVController] Autoplay: Skipping autoplay, not enough buffered to keep up. [MPAVController] Autoplay: Enabling autoplay [MPAVController] Autoplay: Enabling autoplay [MPAVController] Autoplay: Skipping autoplay, disabled (for current item: 0, on player: 1) [MPAVController] Autoplay: Enabling autoplay[MPAVController] Autoplay: Skipping autoplay, disabled (for current item: 0, on player:1)</p></li> <li><p><strong>By using AVAssetImageGenerator</strong></p> <pre><code> -(void)genrateThumbnailImageFromAsset:(AVAsset*)_assetObject size:(CGSize)size forTime:(CMTime)thumbTime { __weak typeof(self) wself = self; __block UIImage * thumbNailImage = nil; AVAssetImageGenerator *generator = [[AVAssetImageGenerator alloc] initWithAsset:_assetObject]; generator.appliesPreferredTrackTransform=TRUE; AVAssetImageGeneratorCompletionHandler handler = ^(CMTime requestedTime, CGImageRef im, CMTime actualTime, AVAssetImageGeneratorResult result, NSError *error) { switch (result) { case AVAssetImageGeneratorSucceeded:{ /*get the generated image*/ thumbNailImage=[UIImage imageWithCGImage:im]; // We finished updating the image. Set the visual UI button to the uploaded image if (thumbNailImage) { //using accordingly } else { //using accordingly } } break; case AVAssetImageGeneratorFailed:{ //using accordingly NSLog(@"%@",[error localizedDescription]); } break; case AVAssetImageGeneratorCancelled:{ //using accordingly NSLog(@"%@",[error localizedDescription]); } break; default: break; } }; generator.maximumSize = size; [generator generateCGImagesAsynchronouslyForTimes:[NSArray arrayWithObject:[NSValue valueWithCMTime:thumbTime]] completionHandler:handler]; } </code></pre></li> </ul> <p>By Above got nothing .... still looking for the same.</p>

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