mp4

How to display a thumb image or first frame from a MP4 file using Delphi 7

Hi, I need to display a thumbnail preview of a folder full of MP4 files. So, is there a Delphi 7 component which extract a thumbnail image from MP4 files (if MP4 does contain a thumbnail image), or is there a Delphi 7 component which can extract the 1st frame from a MP4 file ? I need to extract it so I can save it to a .jpg or .png f...

Android - Different ways of playing video

Hi All, I just came across the limitation of VideoView of not being able to play mp4 video files that are wider than 320 pixels. I was wondering how can we overcome these limitations. I am trying to make my app as forgiving as possible, so other than using VideoViews is there another way to play these mp4 videos? Chris ...

Problems with video conversions through the web (local host)

Hello, I get the following errors when I attempt video format conversions called from the local host: “An invalid media type was specified” for M4V to WMV conversions. “One or more arguments are invalid” for MP4 to WMV conversions. Here are the details of the problems: I’ve written a dll in C# that accepts videos in the formats AVI, ...

How to convert a video via ffmpeg to an mp4 format that will stream and/or download to iPhone and Blackberry?

I have a site where people upload videos, which are converted to .flv format. Simple. I wanted to also convert to an mp4 format that will "stream" to an iphone and blackberry, or allowed to be downloaded to either, for later viewing. Can someone post a working ffmpeg line to accomplish this task? Closest I got was this (which doesn'...

Ipad MPMovieplayerController video loads but automatically pauses when played

Hello I am trying to get the MPMovieplayerController to work. I load a video everything goes wel i even see the first frame but then it automatically pauses, if i press play it pauses again. In the simulator it works perfectly but on the ipad device it gives the problem. I can even seek through the video and i see the frame i seeked to ...

How to handle mp4 files with Java?

Mp3 files can be handled using this mp3 SPI support, but I'm not finding something similar to mp4 files. Any help would be appreciated. --UPDATE What I want to do is get the file's size, as I do with wave files using this code: AudioInputStream audioInputStream = AudioSystem.getAudioInputStream(file); AudioFormat format = audioInputS...

how to convert mp4 to mp3 in java

Hi, I'm looking for a minimal way to convert mp4 file to mp3 file programmatically from Java. Ideally I also need an cutting of target file. Do Java libs support this or only 3th party ones? Like jmf, ffmpeg? Thanks! ...

Anyone familiar with mp4 data structure?

Where in the mp4 file structure is the duration of it? ...

Need flash video player with a few basic features

I'm currently working on a job for a client that involves playing videos taken from youtube, uploaded, etc. (And converted to flash-acceptable formats... FLV or mp4). They already have a player that has worked up until this point, but they need something more robust now. Basically I need to find a video player that does the following th...

ffmpeg settings for converting to mp4 and ogg for HTML5 video

Despite all the hype, in reality the HTML5 video tag has a bit of a problem. In order to use it and for it to be cross browser compatible, you have to include more than one format of the video. To target all supported browsers these formats are mp4 and ogg. I was searching around for optimum settings for each format but unfortunately I...

Is there a good library c/c++/java to generate video with special effects , transitions from a set of images ?

Hi, I need to develop a video generator that takes in a set of images, music files and outputs mp4 videos. The platform is linux. Was wondering if there are any existing libraries that can do this job ? Thanks ...

Audio format for stream recording: FLV or mp4?

Hello, I'm capturing microphone (speech) input and publishing it on a flash server. I want this content to eventually be able to be streamed on iPhones as well as in the browser, so I'm wondering if I should pick the FLV or mp4 format (which encodes audio as AAC). Any thoughts, or tradeoffs I should take into account regarding file size...

How to get audio file metadata in python beyond regexes and id3 tags

Right now I'm working on a script that needs to extract the artist, album, and title from all these audio files. At the moment, I first try to extract them with regular expressions, and if the files aren't named nicely I go the slow route and try to get the information with id3 tags. The files then just get ignored if neither works. I...

Video stretched on iphone. How to loop movie.

Hi, I have over 1000 flv clips for education market on server side. Each clips plays for less than 3-4sec. 192x144 frame size. They play on infinite loop. Users access clips via web only - after logging into their account. Our clients now wish to access them via iphone and similar. I will convert to mp4 for this to occur. Issue ...

Why is PHP interfering with my HTML5 MP4 video?

I'm writing a web app that serves H.264 encoded MP4 video. In Chrome and Safari, it does this via an HTML5 video tag. In order to control access to these videos, their contents are served via PHP using a really simply mechanism: header('Content-type: video/mp4'); readfile($filename); exit; No matter what I do, the videos will not str...

Online Media Converter

Where can I convert my SWF file to mp4 online? When I say online I mean that I don't have to download a desktop application to do such, all shouldbe done on the website. www.media-convert.com doesn't seem to work so that's out of the list. Can anybody suggest some other sites? Thank you so much! ...

iPhone "cannot play" .mp4 H.264 video file

Hi folks, I'm trying to setup a simply mobile page for a client with a link to an .mp4 video file. Lke so: <a href="My_Video_File.mp4" target="_blank">Watch MP4 Video</a> And then I've obviously got my video file sourced properly and the .mp4 has the following characteristics: Dimension: 480 * 272 Codecs: AAC, H.264, MPEG-4 SDSM, MP...

YouTube's HD Video Streaming Server Technology?

Hi everyone, Lately I've been researching different methods for streaming MP4s to the browser. Flash Media Server is an obvious choice here (using Cloudfront), and most solutions I've seen use the RTMP protocol. However, I spent some time on YouTube with Firebug and Chrome debugger figuring out how their streaming worked and I discover...

NetStream.seek() for mp4 to exact position not keyframe

It seems seek() on mp4 file seeks to the closest keyframe (seekpoint). Is it possible to seek to exact position in between of keyframes? Thanks! ...

Plug-in handled load UIWebview

Hi, I am developing an iPad application that plays videos from Internet Video Archive (IVA). I can play the IVA URL in iPad-Safari. But, I am able to get it streamed in my app. I am doing the following things to play the video: Add an outlet to webview in the nib. I have written the following code in my play method: NSString *myU...