¡@
2014/10/15 ¤U¤È 10:12:41
iphone Programming Glossary: playbackiPhone audio playback: force through internal speaker? http://stackoverflow.com/questions/1064846/iphone-audio-playback-force-through-internal-speaker audio playback force through internal speaker Does anyone know if it is possible to implement playback of an audio file through the internal.. audio playback force through internal speaker Does anyone know if it is possible to implement playback of an audio file through the internal speaker even if the headphones are plugged in iphone audio share improve this question.. the headphones are plugged in iphone audio share improve this question I'm not sure how you are doing your audio playback but try having a look at the Redirecting Output Audio section of the Audio Session Programming Guide It looks something..
Video file formats supported in iPhone http://stackoverflow.com/questions/1535836/video-file-formats-supported-in-iphone improve this question Quoting the iPhone OS Technology Overview iPhone OS provides support for full screen video playback through the Media Player framework MediaPlayer.framework . This framework supports the playback of movie files with the.. for full screen video playback through the Media Player framework MediaPlayer.framework . This framework supports the playback of movie files with the .mov .mp4 .m4v and .3gp filename extensions and using the following compression standards H.264..
How to play a song from the itunes library in iphone http://stackoverflow.com/questions/1665119/how-to-play-a-song-from-the-itunes-library-in-iphone itemsFromGenericQuery NSString songTitle song valueForProperty MPMediaItemPropertyTitle NSLog @ @ songTitle assign a playback queue containing all media items on the device myPlayer setQueueWithQuery everything setQueueWithQuery everything start..
How to enable iPod controls in the background to control non-iPod music in iOS 4? http://stackoverflow.com/questions/3196330/how-to-enable-ipod-controls-in-the-background-to-control-non-ipod-music-in-ios-4 double tapping opens the multi task dock where the ipod controls play pause forward etc allow to control the music playback of Spotify not the ipod application . Also when the iphone ipod touch is locked double tapping displays similar playback.. of Spotify not the ipod application . Also when the iphone ipod touch is locked double tapping displays similar playback controls. If you don't know what I mean here's an article that has screenshots http www.wired.com gadgetlab 2010 07 spotify.. Matt Gallagher's AudioStreamer . I've managed to keep the music playing in the background. Now I'd like to link my playback to the multi task dock lock screen. Should I be using MPMusicPlayerController iPodMusicPlayer How should I proceed Bonus..
Adjusting the volume of a playing AVPlayer http://stackoverflow.com/questions/3268949/adjusting-the-volume-of-a-playing-avplayer 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 AVPlayerItem with the new one Wait.. with the new one Wait for the currentItem to change on the AVPlayer Prepare your AudioMix and seek to previous playback time Have I missed a basic principle somewhere or is it meant to be this convoluted to simply manage volume levels I cannot..
iPhone/iPad - Loop Background Music? http://stackoverflow.com/questions/3631353/iphone-ipad-loop-background-music playing background music for my iPad game 1b. How do I do this Whats the best format of having that music file in for playback Will this this song happily play through the entire game no interruptions when changing view How can I loop this music Thanks...
Play sound on iPhone even in silent mode http://stackoverflow.com/questions/3740528/play-sound-on-iphone-even-in-silent-mode setCategory AVAudioSessionCategoryPlayback error nil should do the trick. Note if you play music or sounds then iPod playback will be paused. Once this has been done probably somewhere in the initialisation of one of your classes that plays the sounds..
How to keep an iPhone app running on background fully operational http://stackoverflow.com/questions/3762200/how-to-keep-an-iphone-app-running-on-background-fully-operational as a means of staying alive as a background process but Apple will only accept such an application if the audio playback is a legitimate function. Item 2.16 on Apple's published review guidelines states Multitasking apps may only use background..
What happens to an iPhone app when iPhone goes into stand-by mode? http://stackoverflow.com/questions/411436/what-happens-to-an-iphone-app-when-iphone-goes-into-stand-by-mode not happen if the device is playing audio in the right audio session. See DTS Q A QA1626 Audio Session Ensuring audio playback continues when screen is locked for details. Note that the idleTimerDisabled property which can be turned on to prevent..
how to detect (iphone sdk) if a video file was recorded in portrait orientation, or landscape http://stackoverflow.com/questions/4627940/how-to-detect-iphone-sdk-if-a-video-file-was-recorded-in-portrait-orientation vertically and the phone knows by rotating a portrait video if you are holding the phone in landscape orientation on playback and correctly displaying it if holding it in portrait. BTW I can't use ffmpeg can't live with the license restrictions ...
Drawing waveform with AVAssetReader http://stackoverflow.com/questions/5032775/drawing-waveform-with-avassetreader An example of invoking this void importMediaItem MPMediaItem item self mediaItem since we will be needing this for playback save the url to the cached audio. url release url UIImage cachedAudioURLForMPMediaItem item retain waveFormImage release..
Application crashed while importing songs from Ipod library in Iphone for iOs 5.0 http://stackoverflow.com/questions/8077725/application-crashed-while-importing-songs-from-ipod-library-in-iphone-for-ios-5 the picker self dismissModalViewControllerAnimated YES Assign the selected item s to the music player and start playback. counterIpod mediaItemCollection.items count totalcollection counterIpod if totalcollection 10 NSString str NSString stringWithFormat..
Can anybody help me in recording iPhone output sound through Audio Unit http://stackoverflow.com/questions/8615358/can-anybody-help-me-in-recording-iphone-output-sound-through-audio-unit audioUnit kAudioOutputUnitProperty_EnableIO kAudioUnitScope_Input kInputBus flag sizeof flag Enable IO for playback status AudioUnitSetProperty audioUnit kAudioOutputUnitProperty_EnableIO kAudioUnitScope_Output kOutputBus flag .. kInputBus callbackStruct sizeof callbackStruct Set output callback callbackStruct.inputProc playbackCallback callbackStruct.inputProcRefCon self status AudioUnitSetProperty audioUnit kAudioUnitProperty_SetRenderCallback..
Supported Audio file formats in iPhone http://stackoverflow.com/questions/1761460/supported-audio-file-formats-in-iphone share improve this question mp3 why not. From The Multimedia Support Section of the Reference Library Audio Playback and Recording Formats The audio playback formats supported in iPhone OS are the following AAC HE AAC AMR Adaptive Multi..
AVAudioPlayer: How to Change the Playback Speed of Audio? http://stackoverflow.com/questions/2350657/avaudioplayer-how-to-change-the-playback-speed-of-audio How to Change the Playback Speed of Audio I want to control the playback speed of audio in AVAudioplayer . Is this possible If so how would you do..
Play multiple audio files using AVAudioPlayer http://stackoverflow.com/questions/2586284/play-multiple-audio-files-using-avaudioplayer @ sample ofType @ m4a void audioPlayerDidFinishPlaying AVAudioPlayer player successfully BOOL flag if flag NO NSLog @ Playback finished unsuccessfully player setCurrentTime 0. self updateViewForPlayerState can anyone please help me on 1. how to load..
Properly displaying and dismissing fullscreen MPMoviePlayerController in iOS 3.2 (iPad) http://stackoverflow.com/questions/3239231/properly-displaying-and-dismissing-fullscreen-mpmovieplayercontroller-in-ios-3-2 object nil NSNotificationCenter defaultCenter addObserver self selector @selector didFinishPlayback name MPMoviePlayerPlaybackDidFinishNotification object nil self.moviePlayerController setContentURL someExistingURL self.. object nil NSNotificationCenter defaultCenter addObserver self selector @selector didFinishPlayback name MPMoviePlayerPlaybackDidFinishNotification object nil self.moviePlayerController setContentURL someExistingURL self is a UIViewController subclass.. self.moviePlayerController setFullscreen YES animated YES And here is the code for my didFinish callback void didFinishPlayback NSNotification notification This ends up recursively telling the player that playback ended thus calling this method thus..
MPMoviePlayerController still leaking http://stackoverflow.com/questions/3384388/mpmovieplayercontroller-still-leaking I would like to free up completely the unneeded memory to avoid memory warnings. Movie player release player.initialPlaybackTime 1 player.view removeFromSuperview player stop player release Movie player alloc NSURL url NSURL fileURLWithPath NSBundle.. sequence of commands seems to do the job NSNotificationCenter defaultCenter removeObserver self name MPMoviePlayerPlaybackDidFinishNotification object myMoviePlayer NSNotificationCenter defaultCenter removeObserver self name MPMoviePlayerDidExitFullscreenNotification.. self name MPMovieDurationAvailableNotification object myMoviePlayer myMoviePlayer pause myMoviePlayer.initialPlaybackTime 1 myMoviePlayer stop myMoviePlayer.initialPlaybackTime 1 myMoviePlayer.view removeFromSuperview myMoviePlayer release..
MPMoviePlayerController vs. MPMoviePlayerViewController http://stackoverflow.com/questions/4056844/mpmovieplayercontroller-vs-mpmovieplayerviewcontroller An MPMoviePlayerController instance or movie player manages the playback of a movie from a file or a network stream. Playback occurs either in full screen mode or in a custom view that is vended by the movie player. You can incorporate the view into..
|
