Recently, I encountered a problem in the project, that is, mediaelemen in Silverlight can only read videos in WMV format, but I cannot read videos in FLV format, later, I found a lot of information on the Internet and learned a lot about it.
Main Code:
Background:
Private void openbutton_click (Object sender, routedeventargs E) {# region === directly open the stream here and select the file to directly browse the file from the client for playback ====/openfiledialog openfiledialog = new openf
Lite MP4 tool v2.3 is supported by dgindex, but it has not been fully automated. Therefore, this tutorial is written.
When processing the vob and TS video types, it seems that directshowsource can be used directly. It is true that ffdshow can be decoded, but in general, we use dgindex to generate d2v, and then write AVS for processing.
In the lite MP4 tool, click "tool"-> "dgindex"-> "Run dgindex". In thi
http://blog.csdn.net/qq_19079937/article/details/43191211Inside the MP4 structure, the HDLR field (specifically in ROOT->MOOV->TRAK->MDIA->HDLR) contains the stream is a video or audio or letter.FFmpeg Code:In the FFmpeg code, use the Codec->codec_type in the stream to determine what kind of flow the stream is.The 12th part of the ISO_IEC_14496 International standard is marked as follows:In the MP4 file, se
Target to synthesize the sounds in the MP3 into the MP4.Third-party libraries in use: Mp4parser,Muxing Audio/videoThe API and the process is Straight-forward:
You wrap the raw format file into a appropriate track object. h264trackimpl H 264Track = new h264trackimpl (new Span class= "Pl-smi" >filedatasourceimpl ( "Video.h264 aactrackimpl aactrack = new Aactrackimpl (new filedatasourceimpl ( aac
These track object is then adde
I used JSSDK to upload video files (mp4 format, no transcoding, 14 M, Resolution 672 usd× 0000378) to Qiniu Cloud Storage's open space and set a domain name, the purpose is to achieve video playback through the web page, but it is too slow to play on the web page. it takes a long time almost every few seconds. could you tell me this... I used JSSDK to upload video files (mp4 format, no transcoding, 14 M, Re
The specific steps for the server to increase the MIME type mapping setting in MP4 format are: Right-click Computer Management Services and Applications Internet Information Services (IIS) Manager select the IIS Web site that you developed click Add in the upper right corner of the MIME type under IIS options. Enter ". mp4" in the "Extension" box, enter "Application/octet-stream" in the "MIME type" box, an
Win7 system Ifox Video format How to convert MP4 video format:
1, the download of the video file suffix from ". Ifox" to ". mp4" can be played in other players;
2, if the change is still unable to play, it may be that you have hidden the file type extension. Actions are as follows: Find tools-Folder Options-view, uncheck "Hide extensions of known file types";
3, ifox-r
1, the web player can not play the problem
Coding problems. Need is H.264 encoding, not this encoded in some Flash version or OS will not put out video problems, you can use 3GP, MP4 Video Conversion Wizard (Brvideoconverter) transcoding.
2, can not play at the bottom of the problem
MP4 video has metadata, usually at the end of the file, and Flash read this metadata began to play, the solution is to us
Reprint Address: http://blog.csdn.net/charleslei/article/details/51084997
1. Download and install MP4 info, no Mac version currently found, installed on Mac's win virtual machine
2, Test moov box in Mdat box behind the MP4 type, see the figure below, this if you want to do network on-demand, support drag seek, need to move moov box to Mdat box before
3, Test moov box in Mdat box front of the
I prefer to download movies or videos to the mobile device to see I like to love strange art site to see (Archie art above are genuine video content and many are exclusive broadcast content), so I often download video above Archie art, but Archie video format is QSV ( Archie's own research and development of a video format, many mobile devices are not normal playback, need to convert all the video into the MP4 format, I tried a lot of QSV format conve
A background:
Users need to watch the video through flash or mobile phone, and most cameras are RTSP protocol, so need to do a relay.
Resources:
http://blog.csdn.net/firehood_/article/details/8813587
http://blog.csdn.net/firehood_/article/details/8783589
These two articles detail the Mp4v2 save the file and the 264 files through the rtmp live, the two aspects of interest can be directly read the two articles. This article is only read the two articles in 264 transfer forwarding to read RTSP forw
MP4 page Playback code, there is no image of the sound solution ~About the Web play MP4 format video, find some plug-ins, here recommend Video.jsOfficial website: http://www.videojs.com/github:https://github.com/videojs/video.js/Demo:http://www.videojs.com/downloads/video-js-4.12.5.zipHow to use:① Introducing files: Assigning a SWF file for flash playback② Setting the video parameter (setting the
Because my itouc4does not support rmvb, you must convert it to MP4 if you want to watch cartoons online. Originally, I used mediaco der for conversion, but most recent versions often encounter errors. Some time ago I wrote a conversion method using AVS + x264. Now I want to remove AVS and use FFMPEG.
Use1. View rmvb attributes
Before conversion, check the file attributes, and check the resolution and other information. If the resolution exceeds 960*64
QSV is Archie Art Company under a genuine video acceleration format, so protected by copyright, it can only be played on the player of the Archie art. What is the way to convert the QSV format video that you want to download into a common MP4 format? This is to use the odd art products of the professional "QSV video format converter." Let's look at the method of operation.
First step: Convert QSV format to FLV format
QSV Video Format Converter
Author: King of songs
After completing the mobile phone player project, I have to say goodbye to the Battle of manager Zhu, which will be developed in Beijing for a few months. Prepare
After finishing the 3GP, FLV, and AVI formats, We can summarize the hard work of several months and provide some reference for later users.
1. Overview
All popular file formats are supported by large companies. FLV benefits from the online video sharing trend promoted by Adobe, while Avi is Microsoft's first rif
FFmpeg is a powerful video and audio codec tool in Ubuntu. X264 can encode high-quality H.264 videos. iPad must be H.264 or MPEG-4 encoded for normal playback. Since the copyright aspect has not been determined, although many websites in China are using h. 264 encoding, but may be subject to copyright issues in the future. Therefore, Ubuntu official source does not provide h by default. 264 encoding, which requires us to manually compile and install FFmpeg h. 264 support to encode
Calculate the playback duration of an MP4 file. You can obtain the timescale and duration values in the mvhd box:
Playback duration = duration/timescale
The Unit is seconds ).
The following describes the structure of mvhd.Movie header atoms-mvhd
Movie header atom defines the features of the entire movie, such as time scale and duration. Its atom type is 'mvhd '.
The mvhd structure is as follows:
The fields are described as follows:
The following is
1. To use mpmovieplayerviewcontroller, you must first add mediaplayer. framework.2. Add the following code:
// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.- (void)viewDidLoad { [super viewDidLoad]; NSString *url = [[NSBundle mainBundle] pathForResource:@"TaylorSwift-LoveStory" ofType:@"mp4"]; MPMoviePlayerViewController *playerViewController = [[MPMoviePlayerViewController alloc] initWithConte
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