2014/10/15 下午 10:04:29

iphone Programming Glossary: avplayeritem

Adjusting the volume of a playing AVPlayer

http://stackoverflow.com/questions/3268949/adjusting-the-volume-of-a-playing-avplayer

getting a volume change on currently playing AVPlayer items is to follow this process Offload the currently playing AVPlayerItem's asset Grab the current playback time for that AVPlayerItem Load the asset into a new AVPlayerItem Replace the current.. is to follow this process Offload the currently playing AVPlayerItem's asset Grab the current playback time for that AVPlayerItem Load the asset into a new AVPlayerItem Replace the current AVPlayerItem with the new one Wait for the currentItem to change.. currently playing AVPlayerItem's asset Grab the current playback time for that AVPlayerItem Load the asset into a new AVPlayerItem Replace the current AVPlayerItem with the new one Wait for the currentItem to change on the AVPlayer Prepare your AudioMix..

Pre-buffering for AVQueuePlayer

http://stackoverflow.com/questions/4218090/pre-buffering-for-avqueueplayer

buffering for AVQueuePlayer Does anyone know if AVQueuePlayer starts buffering the next AVPlayerItem when the current item is about to finish playing I know there's nothing in the docs to suggest this I'm asking mostly if.. AVQueuePlayer . jollyCocoa's answer pointed me in the right direction by suggesting to observe the status property on AVPlayerItem . However the documentation doesn't seem to point out that this property and it's AVPlayerItemStatusReadyToPlay value in.. the status property on AVPlayerItem . However the documentation doesn't seem to point out that this property and it's AVPlayerItemStatusReadyToPlay value in particular might be related to buffering. However the AVPlayerItem's loadedTimeRanges property..

MPMoviePlayerController switching movies causes white flash

http://stackoverflow.com/questions/4560065/mpmovieplayercontroller-switching-movies-causes-white-flash

DisplayMovies.h #import #import @class PlayerView @interface DisplayMovies UIViewController IBOutlet AVPlayer player AVPlayerItem movieOneItem AVPlayerItem movieTwoItem @property nonatomic retain AVPlayer player @property retain AVPlayerItem movieOneItem.. #import @class PlayerView @interface DisplayMovies UIViewController IBOutlet AVPlayer player AVPlayerItem movieOneItem AVPlayerItem movieTwoItem @property nonatomic retain AVPlayer player @property retain AVPlayerItem movieOneItem @property retain AVPlayerItem.. player AVPlayerItem movieOneItem AVPlayerItem movieTwoItem @property nonatomic retain AVPlayer player @property retain AVPlayerItem movieOneItem @property retain AVPlayerItem movieTwoItem DisplayMovies.m @implementation DisplayMovies @synthesize player..

Using MPMediaItems with AVAudioPlayer

http://stackoverflow.com/questions/5222464/using-mpmediaitems-with-avaudioplayer

appMusicPlayer setQueueWithItemCollection collection appMusicPlayer play Play the item using AVPlayer AVPlayerItem playerItem AVPlayerItem alloc initWithURL url AVPlayer player AVPlayer alloc initWithPlayerItem playerItem player play If.. setQueueWithItemCollection collection appMusicPlayer play Play the item using AVPlayer AVPlayerItem playerItem AVPlayerItem alloc initWithURL url AVPlayer player AVPlayer alloc initWithPlayerItem playerItem player play If you need to use AVAudioPlayer..

Playing many different videos on iphone using AVPlayer

http://stackoverflow.com/questions/6258573/playing-many-different-videos-on-iphone-using-avplayer

NSURL alloc initFileURLWithPath systemPath asset AVURLAsset URLAssetWithURL contentURL options nil playerItem AVPlayerItem playerItemWithAsset asset isPaused false controlsHidden false self.player AVPlayer playerWithPlayerItem playerItem retain.. NSNotificationCenter defaultCenter addObserver self selector @selector playerItemDidReachEnd name AVPlayerItemDidPlayToEndTimeNotification object player currentItem The code to select the clip to be played void viewSelect double.. contentURL NSURL alloc initFileURLWithPath newPath AVAsset newAsset AVURLAsset URLAssetWithURL contentURL options nil AVPlayerItem newPlayerItem AVPlayerItem playerItemWithAsset newAsset player replaceCurrentItemWithPlayerItem newPlayerItem contentURL..

AVPlayerItem fails with AVStatusFailed and error code “Cannot Decode”

http://stackoverflow.com/questions/8608570/avplayeritem-fails-with-avstatusfailed-and-error-code-cannot-decode

fails with AVStatusFailed and error code &ldquo Cannot Decode&rdquo I'm running into a strange issue I hope someone can.. by combining a video from the user's photo library and an audio file from the app bundle. I then use an AVPlayer and AVPlayerItem to play the video back to the user using a custom video player I made. Each time a new composition is created the assets.. create a 5th player you will get the cannot decode error. It is not a limit on the number of instances of AVPlayer or AVPlayerItem. Rather it is the association of AVPlayerItem with an AVPlayer which creates a render pipeline and you are limited to 4..