When playing a video stream using HLS technology, you first convert the video to a TS slice and a m3u8 playlist, using FFmpeg to do the conversion (the low version ffmpeg does not support direct turning, and can now be converted to TS and m3u8-segmenter slices, The author uses ffmpeg version-2.1.2), usually using the following command:
Ffmpeg-i input.mp4-c:v libx264-c:a aac-strict-2-F HLS output.m3u8
However, in this state, the default length of 2 sec
Description
Polycarp is a music editor at the radio station. He received a playlist for tomorrow, which can be represented as a sequence A1, A2, ..., an, where Ai is a band, which perf Orms the i-th song. Polycarp likes bands with the numbers from 1 to M, but he doesn ' t really like others.
We define as BJ the number of songs the group J is going to perform tomorrow. Polycarp wants to change the playlist
http://douban.fm/j/login:
Source: radio
Alias: User name
Form_password: password
Captcha_solution: verification code
Captcha_id: verification code ID
Task: sync_channel_list
The next step is to construct a form using python.
opener.open( urllib2.Request('http://douban.fm/j/login'), urllib.urlencode({ 'source': 'radio', 'alias': username, 'form_password': password, 'captcha_solution': captcha, 'captcha_id': captcha_id, 'task': 'sync_channel_list'})
Use a variety of streaming playlists instead of a single stream of code. The HLS client can dynamically change the stream based on the bandwidth situation, providing the user with the best user experience. (This argument is more idealized, personally think that as long as you can provide a variety of code flow to the user to choose, the app in the start video, according to the bandwidth to select the use of the stream) need to consider the following issues:1. Coding Equipment and budgetingYou ne
> In this way, the Web Client can be used without manually registering axvlc. dll. 6. A small and serious problemBecause the Installation File of VLC is usually large, the created cab file is also large. When the network bandwidth is not good, it may take a long time to download the cab, basically, this method won't work. So We VLC needs to be streamlined based on your business needs. Jeremiah will introduce it in the next log. 7. C # Use VLC ActiveX Create a Windows Application in vs
Practical Features
1. Video thumbnail image
Video thumbnails appear at the far right of the player control bar, provided that the video content is playing, there is no active tab, and RealPlayer is in normal mode.
When you play the video in the Play Now tab and then select a different tab, the video thumbnail appears and continues to play the video and audio uninterrupted.
You can simply click the video thumbnail to return to the video under the Play Now tab.
The video thumbnail
The php sdk is used. How can I encrypt videos with HLS? For more information, see hlsKey base64_urlsafe. What is hlsKeyUrl? How does PHP generate the hlsKeyType encrypted by rsa oa ep? Developer. qiniu. comdocs... the php sdk is used. How can I encrypt videos with HLS?
Refer to the following,hlsKeyIt is base64_urlsafe. This is easy to understand,hlsKeyUrlWhat is it? How does PHP generate an rsa oa ep encryption method?hlsKeyTypeWhat about it?
Http://developer.qiniu.com/docs/v6/api/reference/fop
How to export a downloaded music file from the iOS Cool music BoxThe contents of this article are used for technical study, do not use for improper use, otherwise the consequences are at your own risk.Music files downloaded from the cool music iOS version, when viewed through software such as Sync Assistant, find that music files are named after a string of numbers. Find the files by searching online and trying them out, and find that they are all audio files changed to the file name. As long as
discarded. It is mainly used to create a formatting script that is only valid for related fields.
% Artist %-[% album %/] % title %
'(Single quotes)
Insert specified text to ignore syntax processing; special characters such as "%", "$", "[", and "]" are allowed. To insert single quotes in the text, you can use ''(two single quotes ).
//
The comment can only be used at the beginning of a line. The text after the comment is not parsed from the beginning to the end o
, think constantly, assume, then verify, change one condition at a time, analyze and verify at, and finally reproduce and modify the problem.
6. Real hard-to-reproduce problems-thread Problems
Background: A mobile music player supports multiple playlists. When you delete a playlist, if there is a song being played, after you delete the playlist, yes. During the deletion process, if a Playing Song is deleted
104How to Use Map bookmarks 105How to view the latest local meteorological information 106How to add weather message 107 to other citiesHow to Use Quick memo 108How to obtain the latest stock information 109How to get more information about stocks 110How to turn the stock application software into a currency exchange rate tool 111How to synchronize your calendar 112How to add appointment event 113 to your calendarHow to subscribe to calendar 114 on iPhoneHow to Use the built-in voice memo featu
A, how do I create A playlist of songs?
Click on the Network Music library---in the left panel has "my Playlist"---Click "Create Playlist"---and then enter your personality list name-click on the blank place, you can easily create a playlist;
B, how to delete the list?
Click the list right----delete it (the default
example, the generated working files are placed in the "d:/work" directory, so as long as you edit the rules shown in Figure 2, you can automatically label all working files that you put into the directory later.
The next step is even more convenient than the library when you add work to the file label. For example, when you need to find a file, just press "Alt+c" to open the Tabbles, select the appropriate label and open it, all the files for that label are displayed in a similar
Slice generates m3u8 List command:
ffmpeg-i input.mp4-c:v libx264-c:a aac-strict-2-F HLS output.m3u8
The length of the default per piece (that is, a TS file) for this conversion command is the only last 5 piece of information that is saved by default in the 2s,m3u8 list file, that is, the player can only broadcast the last 5 TS video files in the pull stream.
This is definitely not what you want, so luckily, FFmpeg provides parameters to change these related settings, as follows:
Related Setting
QQ space in the song Why not listen?
1. Please make sure your music link is valid first. How to: Paste Your music box into the music link, pasted into the Internet Explorer's address bar open to see if you can listen;
2. Please make sure that the last three letters you added to the music link are MP3 or WMA, and it is still not valid if you simply modify the page name to paste the link. And note that the last address does not copy a space more.
3. In your music collection, click on the Edit b
There are two ways to share the two media player player lists I know: The first is written in JS with the following code://Add URL function addmedia (URL) {//Player.controls.stop ();// Stop player//alert (player.versioninfo); Version information for the player//Gets the current playlist var playlist=player.currentplaylist;//creates a new media for the specified URL. var currmedia = player.newmedia (URL); Ad
learns a set of filters that are applied directly to the input spectrum. These filters are easy to visualize. They are displayed in the following images. Click to see the high-resolution version (5584x562, ~600kb). Negative values are red, positive values are blue and white is 0. Note that each filter is only four frames wide. The dark red vertical line separates the individual filters.The first convolution layer learns the visualization of the filter. The timeline is the horizontal axis, and t
I want to use php to output the content of my song form in NetEase cloud music. I first use a foreach to output the name and id of the song form, and then use the id of the last output to output the song form content. However, I do not know how to write the output content of the song form... please help {code ...} the above code can be output normally... I want to use php to output the content of my song form in NetEase cloud music. I first use a foreach to output the name and id of the song for
8.3 Design a musical jukebox using object-oriented principles.Careercup This book is really irresponsible, wrote a half-tone program, said the full version can also be downloaded to, but how I can't find, who know where to download please tell the blogger, thank you ~classSong;classCD { Public: // ...Private: Long_id; string_artist; Set_songs;};classSong { Public: // ...Private: Long_id; CD _CD; string_title; Long_length;};classPlaylist { Public:
interfaces that are already familiar with (or created by you.
Enterprise programmers can simply use the player playback function and focus on the specific business needs of applications.Create appearance
You can use the appearance Technology in Windows Media Player to change the appearance of the player while maintaining its standard behavior. The appearance of player is the embodiment of this function. Although these appearances make the player look quite different, they all retain basi
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