In Android, audio playback is mainly implemented through the MediaPlayer class. It seems like he is mysterious, but it is actually very simple. Let's take a look at his true colors.
I. MediaPalyer Lifecycle
The figure below is found on the Internet. Here we only describe several special methods:
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1: After a MediaPlayer is
Project Summary: audio playback problems, project summary sound effects
Project Summary-audio playback Problems
DionysosLai (906391500@qq.com)
Cocos2dx uses a relatively simple and rough voice system. From the name of The Voice System SimpleAudioEngine, it can be seen that the system itself is not very complex, so when using a sound system, there will be some obscure details that need our special attention
In the running of the script playback, there are sometimes errors, which is unavoidable in the actual test, after all, the automatic recording generated by the script will inevitably have problems, need to run a script to verify that the problem is resolved before adding to the scene for load testing. The following is a solution to the problem that occurs when you replay a script that is recorded with a common protocol, such as a Web, Web services pro
Web page
In order to enhance people's perceptual knowledge of web playback technology, but also to stimulate the interest of learning web playback technology, we first introduce some special effects of web playback technology, simple and practical, hoping to help or inspire readers.
Although it is a special effect, in fact almost all people are easy to use, beca
Currently using PHONEGAP development of mobile phone applications, rarely involved in video playback functions, the main reason is that the PHONEGAP provides the API to support the video playback function is not enough, of course, play audio generally still can be achieved, due to work needs, I have studied how to use PhoneGap to develop video playback software,
Play: mediaplayer. Play ()Pause: mediaplayer. Pause ()Location: mediaplayer. setcurrententry (lwhichentry)Mediaplayer. Next ()Mediaplayer. Previous ()Loop: mediaplayer. playcount = 00: the clip plays repeatedly1: onceStop: mediaplayer. Stop ()========================================Allowchangedisplaysize returns or sets whether the end user can set the display size (logical type)Allowscan returns or sets whether scanning is allowed (logical)Animationatstart returns or sets whether to play an ani
Ios video playback code Demo
Method 1:-(void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view. // use the built-in MPMoviePlayerController to play the video. First, import MediaPlayer to the project. framework Package. // import # import "MediaPlayer/MPMoviePlayerController. h "UIImageView * imageView = [[UIImageView alloc] initWithFrame: CGRectMake (0, 0,320,568)]; imageView. image = [UIImage imageNamed: @ "00013"
creates a multimedia player through Uri.Method: create (Context context, int resid)Explanation: The static method creates a multimedia player using the resource ID.Method: create (Context context, Uri uri, SurfaceHolder holder)Explanation: The static method creates a multimedia player through Uri and the specified SurfaceHolder abstract class.Method: getCurrentPosition ()Explanation: Int is returned to obtain the current playback position.Method: get
This article mainly introduces how to use the FFmpeg interface in php to obtain the video playback duration, bit rate, thumbnail, and creation time, which has some reference value. if you need it, you can understand it. FFmpeg is a video plug-in. we can call the FFmpeg interface to obtain video information, including video playback duration, video bit rate, video thumbnails, and video creation time, this ar
Skip the second chapter of the tool Topoedit introduction, direct media playback of the learning.Media play this chapter, introduced a file to play the example, think of the original learning DShow time, the beginning is also a file playback example, but that example is relatively simple, not much code, NND, and this demo completely blind, on a simple file playback
script development.9) Error when starting Vugen recordingThis is generally related to the data protection of the system. Turn on advanced in computer properties, perform protection modifications to dataEnable DEP for basic Windows programs and services only.2. Replay errorIn some cases, the playback script encounters a failure, which generally causes the script to fail for the following reasonsSeveral:1) The data in the script has a dynamic partFor e
occur: Plus is not defind*/Document.addeventlistener ('Plusready', function(){ /** * Get the Recording object Plus.audio.getRecorder () * Define the Save address of the recording file*/ varRecorder=Plus.audio.getRecorder (); varFILEURL= "'; /** * Start recording recorder.record (option, success callback, failed callback) * End Recording recorder.stop () * option: {* F Ilename: File Save folder * Samplerate: Sample rate * Format: Record saved file suffix name *}*/ $('#Record
December 26 News, today Jinshan announced WPS Mobile version 5.3 officially released. This version will exclusive support for shared playback via WiFi Direct, and the demo document playback is innovative and will greatly enhance the mobile office experience.
In addition, this version of the program to start, the various components of the document open speed and so on are greatly improved. This version upgr
line.
8//[System.Web.Script.Services.ScriptService]
9 public class Service1:System.Web.Services.WebService
10 {
One/**////
12///Encryption
///
///
///
[WebMethod]
The public string Encrypt (string url)
18 {
return Desencryptor.execencrypt (URL);
20}
21st
/**////
23///Decryption
///
///
///
[WebMethod]
public string deencrypt (string url)
29 {
return Desencryptor.execdeencrypt (URL);
31}
32
}
When the MediaPlayer control plays the page load, the WebService encryption m
In the process of using a computer to play video files, there are sometimes images flashing, color anomalies and other phenomena. In particular, the playback of Divx/xvid and MPEG files is more likely to occur in this type of phenomenon. This kind of phenomenon is caused by the problem of video decoder or video filter. Below depth XP system download station small make up to see the video file play unusual commonly used solution.
1. AV Asynchronous Fa
web| Control
In the Flash bar saw this Flash player, want to download its source code down research has been for their own use, did not expect to Flash bar has been done to prohibit the download function. A few days of online search, in addition to a few relevant information, there is no source download, there is no instance to explain. Can't resist the temptation, had to write their own reference materials. This flash movie playback controller with a
the SetWindowsHookEx function, you can process the message. You need to invoke the provide UnhookWindowsHookEx to unblock the message when you do not need to monitor system messages.
The Wh_journalrecord and Wh_journalplayback types are two opposite hook types, which get a mouse, a keyboard action message, and a mouse keyboard message. So in the program we need to create two message functions, one for recording the mouse keyboard operation and saving to an array, the other to return the saved
Local video playback, including play, pause, continue, etc., and show the progress of playback. The effect is as follows:1.activity_main.xml2.mainactivity.javaPackage Com.zhang.videoplay;import Android.media.audiomanager;import Android.media.mediaplayer;import Android.media.mediaplayer.oncompletionlistener;import Android.media.mediaplayer.onerrorlistener;import Android.media.mediaplayer.onpreparedlistener;i
Background:game consoles want to join the dance elements, the first idea is to develop dance games, and then through the animation to express the dance, to provide users with dance teaching experience, but the development of the dance game itself takes a long time (too few people), do not talk about the follow-up dance and music copyright, so now want to go another path , Play dance teaching videos in unity, add UI and some testing to achieve dance teaching, and after the framework is written, t
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