Avplayeritem Failed To Load

Original post by Brandon Trebitowski. AVPlayerItem (IntPtr) A constructor used when creating managed representations of unmanaged objects; Called by the runtime. m4vと呼ぶことができます)。. To receive the latest developer news, visit and subscribe to our News and Updates. Well be using a similar approach in the second half of this book, but in Chapters 2 through 8, well focus on a single, evolving Core Data application. 我花了一整天时间,经历了很多SO答案,Apple参考文献,文档等,但都没有成功. If you load NSImages from random files and draw them larger than they say they are, sometimes you get a really chunky, pixellated display for images that have a high DPI rather than a smooth interpolation (or even using all those extra pixels due to the high DPI). 내 앱에서 동영상을 재생하고 싶습니다. OK, I figured out a solution, I hope this is helpful to anyone who may stumble on something similar to this problem. add trailing '/' to an address. This is not trying to combine many images into a single video such as. iOS project, which uses Grid to arrange several views. AVPlayer , AVPlayerItem和AVPlayerLayer似乎在主线程上做了很多工作。 他们不断地取出锁,等待信号等,这是阻塞主线,造成严重的帧丢失。 他们不断地取出锁,等待信号等,这是阻塞主线,造成严重的帧丢失。. Baby & children Computers & electronics Entertainment & hobby. バックグラウンドキューで AVPlayerItem を可能な限り構築します(メインスレッドで実行する必要がある操作もありますが、セットアップ操作を実行し、ビデオプロパティがバックグラウンドキューにロードされるのを待つことができます-ドキュメントをよく読んでください)。. Create and attach an AVPlayerItemVideoOutput after creating the AVPlayerItem, but before attaching the player item to the AVPlayer. 我有一个短的mp4视频文件,我添加到我现在的Xcode6 Beta项目。 I want to play the video in my app. UPDATE: As of 9:30am EST, 13 Sep 2018, AT&T is aware of the problem. Thank you for your interest in this question. I've seen examples of people passing in the duration property as one of these keys. I want the user to click play first and then let the player start playing. cgi?id=115018 AVAssetImageGenerator. Super Videos 303,292 views. To work around this I added an extra check to make sure that we had indeed finished loading the page before flashing the scrollbars. AVFoundationのAVAssetReaderクラスを使用して、ビデオフレームをOpenGL ESテクスチャにアップロードできました。 しかし、リモートメディアを指すAVURLAssetと共に使用すると失敗するcaveatがあります。. If you are writing your own client software, however, using either MPMoviePlayerController or AVPlayerItem, you can access streamed metadata using the timedMetaData property. AVPlayerItem (IntPtr) A constructor used when creating managed representations of unmanaged objects; Called by the runtime. When AVPlayback rate is set to 0. あなたのXcodeプロジェクトにビデオを追加します( video. U puede configurar AVPlayer de otra manera, que se abre para una personalización completa de su pantalla de reproductor de video. 我想要一个简单的事情:我正在使用AVPlayer播放视频,我想暂停它并将当前帧作为UIImage. 问题:I have a short mp4 video file that I've added to my current Xcode6 Beta project. I was thinking to try it but decided not to lose time after finding a related question here. Real Life Story : Let me give you an example on how we reduced size of mobile app. 0,就将其设置为'正在播放'。. com :: why the network connection was lost error occur in ios. HTY360Player是一個播放360度影片的iOS App,播放影片時可以藉由移動手機而轉換視角,允許的來源有三個:. GL_OES_depth_texture GL_OES_depth24 GL_OES_element_index_uint GL_OES_fbo_render_mipmap GL_OES_mapbuffer GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_texture_float GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_vertex_array_object GL_EXT_blend_minmax GL_EXT_color_buffer_half_float GL_EXT_debug_label GL_EXT_debug_marker GL_EXT_discard. This behavior is checked by. 本文目錄 - 簡介 資料夾結構 Root ViewControl : HTYMenuVC HTY360PlayerVC 心得 Reference. Back when i had a jailbroken iPhone I had the same issue with the verse app where it wouldn't load anything and my spectrum app straight up showed a message about how it was blocked from jailbroken devices. AVPlayerItem AVAsset模型只包含媒体资源的静态属性,这些不变的静态属性用来描述对象的静态状态. When I login to my main user account it tries to load something but then after a time just comes back to the login screen. Erstellen Sie Ihr AVPlayerItem so oft wie möglich in einer Hintergrundwarteschlange (einige Vorgänge müssen im Hauptthread ausgeführt werden, Sie können jedoch Setup-Vorgänge ausführen und darauf warten, dass die AVPlayerItem in die Hintergrundwarteschlangen geladen werden - lesen Sie die Dokumente sorgfältig durch). +load +initialize的区别 对于OC中的类来说,在runtime中会有两个方法被调用:+load+initialize这两个方法看起来都是在类初始的时候调用的,但其实还是有一些异同,从而可以用来做一些行为。+load首先,load方法是一定会在runtime中被调用的,只要类被添加到runtime中了. Send Only One Message from your Phone and Listen all Calls of your girlfriend , Full Tutorial. If you need to access information about the asset before you enqueue it for playback, you can use the methods of the AVAsynchronous Key Value Loading protocol to load the values you need. I want to play the video in my app. iOS project, which uses Grid to arrange several views. 내 앱에서 동영상을 재생하고 싶습니다. I added optional request headers to VideoPlayerController. When a WebKit client defers loading of a page (e. Alternatively, AVPlayer Item can automatically load the needed asset data for you by passing the desired set of keys to its init With Asset: automatically Loaded Asset Keys: initializer. 私が望むのは、ビデオ(ローカルファイルとリモートURLから)とそのオーディオトラックを再生し、ビデオの各フレームのピクセルバッファを取得してOpenGLテクスチャに描画することです。. バックグラウンドキューで AVPlayerItem を可能な限り構築します(メインスレッドで実行する必要がある操作もありますが、セットアップ操作を実行し、ビデオプロパティがバックグラウンドキューにロードされるのを待つことができます-ドキュメントをよく読んでください)。. 1 second after the load operation had started. Questions: I've been able to use AVFoundation's AVAssetReader class to upload video frames into an OpenGL ES texture. To work around this I added an extra check to make sure that we had indeed finished loading the page before flashing the scrollbars. This eliminates the reconfigure step which occurs after attaching a video output to an already attached AVPlayerItem. 0 release (rather than beta), shown below. 这意味着使用AVAsset对象是无法实现播放功能的. I have added a video output for my AVPlayerItem, however whenever I call hasNewPixelBufferForItemTime: it returns NO. Once done, use the data property of your asset to access the data Discussion Place a label on your UI and hook it up to your code under the name lbl (see Figure 1-11). Desafortunadamente, el rendimiento de desplazamiento es terrible. Added notification for asset failed to load manifest Version 1. When the player item is ready to play, those asset properties will have been loaded and are ready for use. Crea subclass UIView para reproducir video (básicamente puedes usar cualquier object UIView y solo es necesario AVPlayerLayer. AVPlayerItem会建立媒体资源动态视角的数据模型。这个类中通常可以见到seekToTime等方法实现基于时间的操作。AVPlayerItemTrack和基层的AVAssetTrack一一对应。 在初始化完成AVPlayer后并不能直接播放媒体资源,需要等到AVPlayerItem对象准备好后才能播放。. If you want to stream FOX News load their app for the Iphone and click on the live button and it works just fine anywhere anytime. ビデオファイルを追加する. I guess the problem is again streaming video and I am not alone with this problem. 9 and iOS 7. The problem was that we were flashing the scrollbar 0. You're using the context wrong. ETA for app-wide fix is 30 minutes to 2 hours. ios avplayer无法在线播放视频:公司在服务器上传了一个视频,把视频地址给我,发现使用avplayer无法播放。1. 本类只提供 AVFoundation中的关于视频的一些播放暂停等等的控制功能, 界面需要另外一个view来展示, 控制单元也就是界面 跟 播放控制器 之间的通信同过一个协议来实现. , lo cual está bloqueando el hilo principal y causando graves caídas de cuadros. It has a caveat, however, in that it fails when used with an AVURLAsset that points to remote media. When a WebKit client defers loading of a page (e. CachingPlayerItem Stream and cache media content on your iOS device. 我用这个链接把视频下载到本地,播放正常,所以应该不是视频格式的问题2. a library to build package. Play music MP3 file example in Swift In this tutorial we are going to learn how to play a music MP3 file stored on a remote server or in the cloud like Amazon Web Services. 5 edits in trunk/Source; 2011-04-08 Alexey Proskuryakov < [email protected] MOBILE DEVELOPMENT/IOS iOS 8 Programming Fundamentals with Swift ISBN: 978-1-491-90890-7 US $49. Update April 13, 2015 Updated for Xcode 6. U puede configurar AVPlayer de otra manera, que se abre para una personalización completa de su pantalla de reproductor de video. AVPlayer 支持缓存播放. 这就意味着仅使用AVAsset对象是不能实现播放功能的. -[WebView setDefersCallbacks:YES]), WebCore may still load the main resource, say if substitute data is available for it, and defer executing tasks, such as a SQLTransactionCallback function, by appending such tasks to the end of the list of pending tasks for the associated Document. I also have a test harness that I can load the plugin and do effective debugging. Están sacando bloqueos constantemente, esperando semáforos, etc. When I login to my main user account it tries to load something but then after a time just comes back to the login screen. 本文目錄 - 簡介 資料夾結構 Root ViewControl : HTYMenuVC HTY360PlayerVC 心得 Reference. AVPlayerItem 和 AVPlayerLayer 在主线程上做了很多工作。 他们不断地拿出锁,等待信号量,等等 阻塞主线程,导致严重的帧丢失。 可以告诉 AVPlayer 在主线程上停止这么多事情? 到目前为止我没有尝试过解决这个问题。. // AVPlayerItem *itemRemoved = changeDictionary[NSKeyValueChangeOldKey]; /* An initial change from a nil currentItem yields NSNull here. Apple disclaims any and all liability for the acts, omissions and conduct of any third parties in connection with or related to your use of the site. There is a lesson and user can play audio of that lesson and can hear it. When the project is run and the button is touched, your storyboard will load and all the subsequent views will load, resulting in a view resembling those shown in Figure 2-76. If the page was slow to load then we might not have scrollbars to flash. Back when i had a jailbroken iPhone I had the same issue with the verse app where it wouldn't load anything and my spectrum app straight up showed a message about how it was blocked from jailbroken devices. How does AVPlayer / AVPlayerItem inform my application about unreachable network failure? idea when to show a message to the user that loading the video failed. Update note: This tutorial was updated for Swift and iOS 8 by Richard Turton. I did not see an obvious place to create a test for these changes, but happy to do so if you would like. I'm admittedly quite new to Android development and Java in general, having some problems with something I've seen a ton of other people search for as well, but the other solutions don't seem to be doing it for me. If I click install get the following when compiling apps: Your mono runtime and class libraries are out of sync. There are some tricks you can try to make an educated guess as to whether or not the file exists on device, like attempting to load the asset and checking out what the progress/completion callbacks do. The amount of time this stalls the main thread increases quite dramatically as the number of videos in the scrollview increases. We use cookies to ensure that we give you the best experience on our website. Creating an AVPlayer and associating in with an AVPlayerItem instance kicks off a bunch of work which trampolines onto the main thread where it then waits on semaphores and tries to acquire a bunch of locks. AVFoundationのAVAssetReaderクラスを使用して、ビデオフレームをOpenGL ESテクスチャにアップロードできました。 しかし、リモートメディアを指すAVURLAssetと共に使用すると失敗するcaveatがあります。. 3, you would obtain the duration of a player item by fetching the value of the duration property of its associated AVAsset object. AVPlayer , AVPlayerItem和AVPlayerLayer似乎在主线程上做了很多工作。 他们不断地取出锁,等待信号等,这是阻塞主线,造成严重的帧丢失。 他们不断地取出锁,等待信号等,这是阻塞主线,造成严重的帧丢失。. AVPlayer是一个不可见组件,要将视频资源导出到用户界面目标位置,需要用到AVPlayerLayer类. I'm developing an Xamarin. 我们可以在根据 [ @"playable", @"hasProtectedContent" ] 的属性值来判断 assert 的资源情况。若是 assert 加载成功,且 assert 的 playable 和 hasProtectedContent 属性值都是成功的。那么我们可以利用 AVURLAsset 来生成一个 AVPlayerItem。. 这就意味着仅使用AVAsset对象是不能实现播放功能的. In your code, load the asset with the NSDataAsset class' initializer 6. This eliminates the reconfigure step which occurs after attaching a video output to an already attached AVPlayerItem. 我们可以在根据 [ @"playable", @"hasProtectedContent" ] 的属性值来判断 assert 的资源情况。若是 assert 加载成功,且 assert 的 playable 和 hasProtectedContent 属性值都是成功的。那么我们可以利用 AVURLAsset 来生成一个 AVPlayerItem。. -[WebView setDefersCallbacks:YES]), WebCore may still load the main resource, say if substitute data is available for it, and defer executing tasks, such as a SQLTransactionCallback function, by appending such tasks to the end of the list of pending tasks for the associated Document. AVPlayer , AVPlayerItem和AVPlayerLayer似乎在主线程上做了很多工作。 他们不断地取出锁,等待信号等,这是阻塞主线,造成严重的帧丢失。 他们不断地取出锁,等待信号等,这是阻塞主线,造成严重的帧丢失。. There is a lesson and user can play audio of that lesson and can hear it. 由于有朋友推荐,看了下ZFPlayer,觉得功能和封装都写的很好,就把源码看了一遍,现在看源码已经养成了一个习惯,就是把自己在源码中不太熟悉的地方记录下来,还有就是尽量捕捉作者的思路。. If you load NSImages from random files and draw them larger than they say they are, sometimes you get a really chunky, pixellated display for images that have a high DPI rather than a smooth interpolation (or even using all those extra pixels due to the high DPI). CachingPlayerItem is a subclass of AVPlayerItem. 错误: Google ReCAPTCHA failed to load 如何判断文件夹下某个文件是否存在,用fileExistsAtPath:总是NO,文件是存在的 vue 做的网页,在chrome和安卓手机都正常,在苹果手机显示不全,而且不能下拉。. HTY360Player是一個播放360度影片的iOS App,播放影片時可以藉由移動手機而轉換視角,允許的來源有三個:. Cannot load underlying module for XCTest. If you want to stream FOX News load their app for the Iphone and click on the live button and it works just fine anywhere anytime. « first day (539 days earlier) ← previous day next day → last day (502 days later) ». I'm developing an Xamarin. When the player item is ready to play, those asset properties will have been loaded and are ready for use. Parece que AVPlayer, AVPlayerItem y AVPlayerLayer hacen mucho de su trabajo en el hilo principal. 我有一个短的mp4视频文件,我添加到我现在的Xcode6 Beta项目。 I want to play the video in my app. See -[AVPlayerItem initWithAsset:]. 私が望むのは、ビデオ(ローカルファイルとリモートURLから)とそのオーディオトラックを再生し、ビデオの各フレームのピクセルバッファを取得してOpenGLテクスチャに描画することです。. Thank you for your interest in this question. There are some tricks you can try to make an educated guess as to whether or not the file exists on device, like attempting to load the asset and checking out what the progress/completion callbacks do. AVPlayer 支持缓存播放. AVPlayerItem(AVAsset, NSString[]) Creates a new T:AVFoundation. The AVPlayerItem class supports the following changes: Asset properties can be loaded automatically when AVPlayerItem objects are prepared for playback. I have added a video output for my AVPlayerItem, however whenever I call hasNewPixelBufferForItemTime: it returns NO. If you are writing your own segmenter, you can read about the stream format for timed metadata information in Timed Metadata for HTTP Live Streaming. Parece que AVPlayer, AVPlayerItem y AVPlayerLayer hacen mucho de su trabajo en el hilo principal. If you need to access information about the asset before you enqueue it for playback, you can use the methods of the AVAsynchronous Key Value Loading protocol to load the values you need. I was thinking to try it but decided not to lose time after finding a related question here. Once I had completed these steps, macOS Server showed the VPN as running, and my attempts to disable it via the switch would result in it turning right back on. 0, indicates whether the item can be played at rates greater than 1. It has a caveat, however, in that it fails when used with an AVURLAsset that points to remote media. U可以用另一种方式设置AVPlayer ,这个function可以让你完全自定义你的video播放器屏幕. 我试过了什么:> AVAssetImageGenerator. 这是因为AVAsset模型只包含媒体资源的静态信息. AVAssetReader. I guess the problem is again streaming video and I am not alone with this problem. This debugging file has some static variables that it uses to control things, like whether to emit log messages, or do other diagnoses. Play music MP3 file example in Swift In this tutorial we are going to learn how to play a music MP3 file stored on a remote server or in the cloud like Amazon Web Services. 現在のXcode6 Betaプロジェクトに追加した短いmp4ビデオファイルがあります。 私は自分のアプリでビデオを再生したい。 数時間の検索の後、私は遠隔から役立つものは何も見つかりません。. AVPlayerItem可以理解成是一个动态的AVAsset模型,. 我们可以在根据 [ @"playable", @"hasProtectedContent" ] 的属性值来判断 assert 的资源情况。若是 assert 加载成功,且 assert 的 playable 和 hasProtectedContent 属性值都是成功的。那么我们可以利用 AVURLAsset 来生成一个 AVPlayerItem。. com> Reviewed by Darin Adler. Unlike watching the Status field on the AVPlayerItem, which never changes until the player starts playing, the observer callback does get updated the moment the status is changed. AVPlayer , AVPlayerItem和AVPlayerLayer似乎在主线程上做了很多工作。 他们不断地取出锁,等待信号等,这是阻塞主线,造成严重的帧丢失。 他们不断地取出锁,等待信号等,这是阻塞主线,造成严重的帧丢失。. Original post by Brandon Trebitowski. Prior to iOS 4. @discussion The value of this property is an AVPlayerStatus that indicates whether the receiver can be used for playback. cgi?id=115018 AVAssetImageGenerator. Why doesn't the AVPlayerItem ever load? and how can I get it to load? You can get the item to load by playing the asset. Erstellen Sie Ihr AVPlayerItem so oft wie möglich in einer Hintergrundwarteschlange (einige Vorgänge müssen im Hauptthread ausgeführt werden, Sie können jedoch Setup-Vorgänge ausführen und darauf warten, dass die AVPlayerItem in die Hintergrundwarteschlangen geladen werden - lesen Sie die Dokumente sorgfältig durch). com already. Contribute to hongzhiwow/AVCacheSupport development by creating an account on GitHub. Cree la subclase UIView para reproducir video (básicamente puede usar cualquier objeto UIView y solo necesita AVPlayerLayer. How do I know with AVPlayer the URL is invalid? The video fails to load but status reported by the player is 1 (i. Also, as soon as the view is loaded it begins to play. 视频播放 播放视频是AVFoundation的最核心功能之一,这里我们将学习创建一个自定义视频播放器. AVPlayer sometimes restarts in the middle of playing a video and i'm not sure why. When I login to my main user account it tries to load something but then after a time just comes back to the login screen. An AVPlayerItem carries a reference to an AVAsset as well as presentation settings for that asset. I've been able to use AVFoundation's AVAssetReader class to upload video frames into an OpenGL ES texture. Figure 2-76. The solution in my case was to initialize the asset for the AVPlayer and the AVPlayerItem on the main thread and make sure I don't create the actual AVPlayerLayer before the playerItem and the player objects return with status "ReadyToPlay". You can set your preference in your profile to use the old Reddit design, but I've noticed that it doesn't automatically push you to it - you'll still wind up waiting for a behemoth of a UI to load if you click a random Reddit link while not on old. I have added a video output for my AVPlayerItem, however whenever I call hasNewPixelBufferForItemTime: it returns NO. @discussion Note that inspection of media assets is provided by AVAsset. private bool LoadDataSet(string dataSetPath, DataSet. Crea subclass UIView para reproducir video (básicamente puedes usar cualquier object UIView y solo es necesario AVPlayerLayer. com :: why the network connection was lost error occur in ios. When the project is run and the button is touched, your storyboard will load and all the subsequent views will load, resulting in a view resembling those shown in Figure 2-76. U puede configurar AVPlayer de otra manera, que se abra para la personalización completa de la pantalla de su reproductor de video. For example, if I have 2 rows and 2 columns, let's call them view 0, 1, 2, 3. Check to make sure the class is AVPlayerItem before appending it to the end of the queue. バックグラウンドキューで AVPlayerItem を可能な限り構築します(メインスレッドで実行する必要がある操作もありますが、セットアップ操作を実行し、ビデオプロパティがバックグラウンドキューにロードされるのを待つことができます-ドキュメントをよく読んでください)。. Keys: av dnsrr email filename hash ip mutex pdb registry url useragent version. To receive the latest developer news, visit and subscribe to our News and Updates. 视频播放 播放视频是AVFoundation的最核心功能之一,这里我们将学习创建一个自定义视频播放器. An AVPlayerItem carries a reference to an AVAsset as well as presentation settings for that asset. I did not see an obvious place to create a test for these changes, but happy to do so if you would like. 現在のXcode6 Betaプロジェクトに追加した短いmp4ビデオファイルがあります。 私は自分のアプリでビデオを再生したい。 数時間の検索の後、私は遠隔から役立つものは何も見つかりません。. It allows you to play and cache audio and video files without having to download them twice. 本类只提供 AVFoundation中的关于视频的一些播放暂停等等的控制功能, 界面需要另外一个view来展示, 控制单元也就是界面 跟 播放控制器 之间的通信同过一个协议来实现. iOS Swift AVPlayer播放视频,在iOS下可以使用MPMediaPlayerViewCotroller播放视频,但有时候需要更多的灵活和控制,这时候就不可避免地要使用AVPlayer了,本文介绍了AVPlayer的基本使用方法。. 那么我们可以利用 AVURLAsset 来生成一个 AVPlayerItem。 - (void)asynchronouslyLoadURLAsset:(AVURLAsset *)newAsset { /* Using AVAsset now runs the risk of blocking the current thread (the main UI thread) whilst I/O happens to populate the properties. Prior to iOS 4. It's sleeker, faster to load, and easier to skim large amounts of posts with. We cannot load a pre-defined kit since fonts are chosen by end users and may not conform to a static combination. It has a caveat, however, in that it fails when used with an AVURLAsset that points to remote media. Update April 13, 2015 Updated for Xcode 6. Play music MP3 file example in Swift In this tutorial we are going to learn how to play a music MP3 file stored on a remote server or in the cloud like Amazon Web Services. The AVPlayer's currentItem is replaced with the new one and occassionally I will get a AVPlayerStatusFailed on the playerItem. Join GitHub today. NSKeyValueObservation 0xaddress for the key path "readyForDisplay" from AVPlayerLayer 0xaddress because it is not registered as an observer. 与AVAssetReader不同,该类对于由远程AVURLAsset支持的AVPlayerItem可以正常工作,并且还具有允许通过-copyPixelBufferForItemTime支持非线性回放的更复杂的播放界面的好处:itemTimeForDisplay :(而不是AVAssetReader的严重性限制-copyNextSampleBuffer方法。 样品代码. 这意味着使用AVAsset对象是无法实现播放功能的. IOS version mismatch. Contribute to hongzhiwow/AVCacheSupport development by creating an account on GitHub. 我可能会丢失调用之间的东西在你的问题,但时间[avPlayer开始]并且到1. 这是因为AVAsset模型只包含媒体资源的静态信息. Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site (the association bonus does not count). Construisez votre AVPlayerItem dans une file d'attente de fond autant que possible (certaines opérations que vous devez faire sur le thread principal, mais vous pouvez faire des opérations de configuration et attendre que les propriétés vidéo se chargent sur les files d'attente de fond - lire les docs très attentivement). 我想将单个视频与单个图像合并。 这是不是要多图像组合成一个单一的视频如 create movie from [UIImage], Swift How do I export UIImage array as a movie?. This debugging file has some static variables that it uses to control things, like whether to emit log messages, or do other diagnoses. I want to play the video in my app. let playerItem = AVPlayerItem. WebKit2: Safari doesn't respect cmd-arrows (and variations) as custom keyboard sho. Load the launchd job: \n\n sudo launchctl load -w /Library/LaunchDaemons/ vpn. This eliminates the reconfigure step which occurs after attaching a video output to an already attached AVPlayerItem. 支持播放 本地,分布下载以及HTTP Live Streaming 协议等得到的流媒体. Cree la subclase UIView para reproducir video (básicamente puede usar cualquier objeto UIView y solo necesita AVPlayerLayer. To receive the latest developer news, visit and subscribe to our News and Updates. iOS project, which uses Grid to arrange several views. Once I had completed these steps, macOS Server showed the VPN as running, and my attempts to disable it via the switch would result in it turning right back on. I've been able to use AVFoundation's AVAssetReader class to upload video frames into an OpenGL ES texture. iOS project, which uses Grid to arrange several views. If loading of any of the values fails, the status of the AVPlayerItem will change instead to AVPlayerItemStatusFailed. I also have a test harness that I can load the plugin and do effective debugging. -[WebView setDefersCallbacks:YES]), WebCore may still load the main resource, say if substitute data is available for it, and defer executing tasks, such as a SQLTransactionCallback function, by appending such tasks to the end of the list of pending tasks for the associated Document. avplayerviewcontroller example (5). I guess the problem is again streaming video and I am not alone with this problem. 本类只提供 AVFoundation中的关于视频的一些播放暂停等等的控制功能, 界面需要另外一个view来展示, 控制单元也就是界面 跟 播放控制器 之间的通信同过一个协议来实现. This debugging file has some static variables that it uses to control things, like whether to emit log messages, or do other diagnoses. U puede configurar AVPlayer de otra manera, que se abre para una personalización completa de su pantalla de reproductor de video. If you are writing your own client software, however, using either MPMoviePlayerController or AVPlayerItem, you can access streamed metadata using the timedMetaData property. Add support for a new AVPlayerItem API which will notify clients when their successful load, e. In your code, load the asset with the NSDataAsset class' initializer 6. Construisez votre AVPlayerItem dans une file d'attente de fond autant que possible (certaines opérations que vous devez faire sur le thread principal, mais vous pouvez faire des opérations de configuration et attendre que les propriétés vidéo se chargent sur les files d'attente de fond - lire les docs très attentivement). To receive the latest developer news, visit and subscribe to our News and Updates. Keys: av dnsrr email filename hash ip mutex pdb registry url useragent version. AVPlayerItem 和 AVPlayerLayer 在主线程上做了很多工作。 他们不断地拿出锁,等待信号量,等等 阻塞主线程,导致严重的帧丢失。 可以告诉 AVPlayer 在主线程上停止这么多事情? 到目前为止我没有尝试过解决这个问题。. When a WebKit client defers loading of a page (e. Questions: I have a short mp4 video file that I've added to my current Xcode6 Beta project. CachingPlayerItem Stream and cache media content on your iOS device. [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(bufferingVideo:) name:AVPlayerItemPlaybackStalledNotification object:nil];. Cree la subclase UIView para reproducir video (básicamente puede usar cualquier objeto UIView y solo necesita AVPlayerLayer. 【IT专家】我可以使用AVFoundation将下载的视频帧流式传输到OpenGL ES纹理中吗?_互联网_IT/计算机_专业资料 1人阅读|次下载 【IT. 我花了一整天时间,经历了很多SO答案,Apple参考文献,文档等,但都没有成功. バックグラウンドキューで AVPlayerItem を可能な限り構築します(メインスレッドで実行する必要がある操作もありますが、セットアップ操作を実行し、ビデオプロパティがバックグラウンドキューにロードされるのを待つことができます-ドキュメントをよく読んでください)。. Contribute to hongzhiwow/AVCacheSupport development by creating an account on GitHub. Back when i had a jailbroken iPhone I had the same issue with the verse app where it wouldn't load anything and my spectrum app straight up showed a message about how it was blocked from jailbroken devices. This eliminates the reconfigure step which occurs after attaching a video output to an already attached AVPlayerItem. Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site (the association bonus does not count). 我可能会丢失调用之间的东西在你的问题,但时间[avPlayer开始]并且到1. バックグラウンドキューで AVPlayerItem を可能な限り構築します(メインスレッドで実行する必要がある操作もありますが、セットアップ操作を実行し、ビデオプロパティがバックグラウンドキューにロードされるのを待つことができます-ドキュメントをよく読んでください)。. U puede configurar AVPlayer de otra manera, que se abre para una personalización completa de su pantalla de reproductor de video. I'm developing an Xamarin. Re: U-verse mobile app problems I was able to fix this problem for a short amount of time with a total hardware reset of my tablet. AVAssetReader. NSKeyValueObservation 0xaddress for the key path "readyForDisplay" from AVPlayerLayer 0xaddress because it is not registered as an observer. Error: Failed to lookup view in Express Note : my auto answer at end of the post I'm trying to make a better experience of nodeJS and i don't really like to get all the script in one file. I have added a video output for my AVPlayerItem, however whenever I call hasNewPixelBufferForItemTime: it returns NO. 我花了一整天时间,经历了很多SO答案,Apple参考文献,文档等,但都没有成功. To work around this I added an extra check to make sure that we had indeed finished loading the page before flashing the scrollbars. Re: U-verse mobile app problems I was able to fix this problem for a short amount of time with a total hardware reset of my tablet. 我有一个短的mp4视频文件,我添加到我现在的Xcode6 Beta项目。 I want to play the video in my app. Creating an AVPlayer and associating in with an AVPlayerItem instance kicks off a bunch of work which trampolines onto the main thread where it then waits on semaphores and tries to acquire a bunch of locks. It has a caveat, however, in that it fails when used with an AVURLAsset that points to remote media. Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site (the association bonus does not count). I will be calling ATT and get a credit for everyday that the channel is broken. Why doesn't the AVPlayerItem ever load? and how can I get it to load? You can get the item to load by playing the asset. If you load NSImages from random files and draw them larger than they say they are, sometimes you get a really chunky, pixellated display for images that have a high DPI rather than a smooth interpolation (or even using all those extra pixels due to the high DPI). I guess the problem is again streaming video and I am not alone with this problem. I have read the notes here and have tried to use the legacy registrar settings, but without any luck. Parece que AVPlayer, AVPlayerItem y AVPlayerLayer hacen mucho de su trabajo en el hilo principal. 我想将单个视频与单个图像合并。 这是不是要多图像组合成一个单一的视频如 create movie from [UIImage], Swift How do I export UIImage array as a movie?. CachingPlayerItem Stream and cache media content on your iOS device. I'm developing an Xamarin. add trailing '/' to an address. Recently in one of my Cordova project we have Connect with Facebook functionality where I have faced certain issues to make it working in iOS 9 and iOS 10 so in this blog I am going to explain those issues and how to resolve it. In fact the MP3 file I am going to use in this tutorial is stored in Amazon Cloud in a S3 bucket. AVPlayer 支持缓存播放. private bool LoadDataSet(string dataSetPath, DataSet. I am not able to login with Guest either, same kick back to login screen. If you need to access information about the asset before you enqueue it for playback, you can use the methods of the AVAsynchronous Key Value Loading protocol to load the values you need. 本文目錄 - 簡介 資料夾結構 Root ViewControl : HTYMenuVC HTY360PlayerVC 心得 Reference. U可以用另一种方式设置AVPlayer ,这个function可以让你完全自定义你的video播放器屏幕. In iOS, playback rate can be changed by setting AVPlayer. a library to build package. AVPlayerItem 和 AVPlayerLayer 在主线程上做了很多工作。 他们不断地拿出锁,等待信号量,等等 阻塞主线程,导致严重的帧丢失。 可以告诉 AVPlayer 在主线程上停止这么多事情? 到目前为止我没有尝试过解决这个问题。. AVPlayerItem可以理解成是一个动态的AVAsset模型,. Update note: This tutorial was updated for Swift and iOS 8 by Richard Turton. network contructor for video_player plugin. com :: Rishitnandan. Send Only One Message from your Phone and Listen all Calls of your girlfriend , Full Tutorial. 本类只提供 AVFoundation中的关于视频的一些播放暂停等等的控制功能, 界面需要另外一个view来展示, 控制单元也就是界面 跟 播放控制器 之间的通信同过一个协议来实现. AVMutableComposition - Only Playing First Track (Swift) AVMutableComposition - 仅播放第一曲目(Swift). 视频播放 播放视频是AVFoundation的最核心功能之一,这里我们将学习创建一个自定义视频播放器. 我可能会丢失调用之间的东西在你的问题,但时间[avPlayer开始]并且到1. 与AVAssetReader不同,该类对于由远程AVURLAsset支持的AVPlayerItem可以正常工作,并且还具有允许通过-copyPixelBufferForItemTime支持非线性回放的更复杂的播放界面的好处:itemTimeForDisplay :(而不是AVAssetReader的严重性限制-copyNextSampleBuffer方法。 样品代码. I uploaded a song to CloudKit. In one of the app we need to have text to speech function. Unlike watching the Status field on the AVPlayerItem, which never changes until the player starts playing, the observer callback does get updated the moment the status is changed. ETA for app-wide fix is 30 minutes to 2 hours. This site contains user submitted content, comments and opinions and is for informational purposes only. 현재의 Xcode6 베타 프로젝트에 추가 한 짧은 mp4 비디오 파일이 있습니다. */ - (instancetype)initWithPlayerItem:(nullable AVPlayerItem *)item; /*! @property status @abstract The ability of the receiver to be used for playback. Resulting application with storyboard loaded But there is a problem. ビデオファイルを追加する. I was thinking to try it but decided not to lose time after finding a related question here. - Duration: 4:55. a library to build package. This site contains user submitted content, comments and opinions and is for informational purposes only. It has a caveat, however, in that it fails when used with an AVURLAsset that points to remote media. 问题:I have a short mp4 video file that I've added to my current Xcode6 Beta project. let playerItem = AVPlayerItem. 使用iOS 8我的应用程序. Super Videos 303,292 views. There is a lesson and user can play audio of that lesson and can hear it. 这些不变的属性用来描述对象的静态信息. But now it seems the problem has cropped up yet again -- this time with a vengeance. If I click install get the following when compiling apps: Your mono runtime and class libraries are out of sync. Re: U-verse mobile app problems I was able to fix this problem for a short amount of time with a total hardware reset of my tablet. You're using the context wrong. network contructor for video_player plugin. AVPlayer是一个不可见组件,要将视频资源导出到用户界面目标位置,需要用到AVPlayerLayer类. '분류 전체보기' 카테고리의 글 목록 (10 Page) 4개월 전에 잡혀있던 도쿄로의 출장 및 여행길을 떠났다. We use cookies to ensure that we give you the best experience on our website. The problem was that we were flashing the scrollbar 0. ETA for app-wide fix is 30 minutes to 2 hours. , lo cual está bloqueando el hilo principal y causando graves caídas de cuadros. 我用这个链接把视频下载到本地,播放正常,所以应该不是视频格式的问题2. The problem was that we were flashing the scrollbar 0. Here is the relevant bit from the Chat I had with the AT&T tech (Daniel), in case the problem crops up in the future and someone needs to start the ball with AT&T again:. In one of the app we need to have text to speech function. In this way applications can use the MediaManager to load only tracks information but not load the actual media and take advantage of the built-in text track styling capabilities of the MediaManager. Alternatively, AVPlayer Item can automatically load the needed asset data for you by passing the desired set of keys to its init With Asset: automatically Loaded Asset Keys: initializer. Once done, use the data property of your asset to access the data Discussion Place a label on your UI and hook it up to your code under the name lbl (see Figure 1-11). The AV Foundation framework provides a rich Objective-C interface for recording and playing audio and video in your iPhone OS application. There are some tricks you can try to make an educated guess as to whether or not the file exists on device, like attempting to load the asset and checking out what the progress/completion callbacks do. I want to play the video in my app. How does AVPlayer / AVPlayerItem inform my application about unreachable network failure? idea when to show a message to the user that loading the video failed. I also have a test harness that I can load the plugin and do effective debugging. AVMutableComposition - Only Playing First Track (Swift) AVMutableComposition - 仅播放第一曲目(Swift). Construisez votre AVPlayerItem dans une file d'attente de fond autant que possible (certaines opérations que vous devez faire sur le thread principal, mais vous pouvez faire des opérations de configuration et attendre que les propriétés vidéo se chargent sur les files d'attente de fond - lire les docs très attentivement). Full text of "I OS 9 Swift Programming Cookbook by Vandad Nahavandipoor(pradyutvam2)[CPUL][2015]" See other formats. Check to make sure the class is AVPlayerItem before appending it to the end of the queue. protected by Community♦ Jun 10 '16 at 12:49.