Also known as MPEG-4/AVC, an advanced video encoding standard, widely used in Blu-ray and streaming video.

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3answers
650 views

What is H.264 and what is it used for?

I have been hearing that Google Chrome is either stopping support for or has already stopped support for this movie thing called H.264. What is H.264, and what is it used for?
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1answer
507 views

Why does video file size drastically increase on import from camera? (iMovie)

My Sony camera has a 60GB hard drive and can store many hours of 1080p video. However, when I import these videos in iMovie (i.e. h.264) in their full 1080p size, they end up consuming something like ...
0
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1answer
65 views

windows applications that serve video from a local disk to h264 flash viewable through the browser on your local network

Are there any windows applications that serve video from a server local disk to h264 flash viewable through the browser on your local network? I'm thinking that on machine1, I'd have a folder with a ...
0
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1answer
2k views

Why does lossless video compression cause the file size to go way up?

I have a 200MB AVI that I'm trying to add hardsubs to. I'm using VirtualDub to do it. I selected the H264 lossless codec for compression. The resulting file is 800MB. Why does this happen? Is there a ...
2
votes
2answers
2k views

ffmpeg - h264 to xvid creates large file

I'm trying to use ffmpeg to convert a h264/aac video file to an xvid/mp3 file so I can play it in my ultra-cheap media player. At the moment the converted video file is TWICE the size of the ...
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votes
0answers
3k views

How to convert a mpeg4-aac video to mpeg-ts using MEncoder?

I know this can be done using FFMpeg and I have done it. The only problem here was that FFMpeg actually tries to "encode" the file while converting to mpeg-ts which I don't want. i.e. I just want to ...
2
votes
1answer
2k views

Is there a way to enable H.264 video in Firefox?

I know that Mozilla has taken an ideological stance against H.264 video, but I don't agree with it. (And I think I paid for a hardware decoder inside my graphics card anyway?) Is there any way I can ...
3
votes
1answer
11k views

What is the optimal video format/size for using in powerpoint?

My daughter's school is looking to embed some videos in their powerpoint slides. I am helping the teacher with conversion software and settings recommendations. I tend to prefer h.264 for it's ...
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3answers
2k views

Are there any Mac OS X apps that convert Flash video (.flv) to h.264?

I’ve got some video from the web in Flash video format (.flv). I want to convert it to h.264. I’ve got Perian installed. QuickTime seems to play the video fine, but when I use any of the options to ...
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2answers
1k views

Enable H.264 (or x264) in AVIDemux

I am trying to get AVIDemux set up with the X264 codec using this tutorial. The following is what goes down when I get to the ./configure --enable-mp4-output command Thomas-Phillipss-MacBook:x264 ...
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3answers
2k views

Convert video files for Maemo (Nokia N900) using ffmpeg/mencoder

I'm a newbie in video encoding so I'm looking for some expert advice. I'm looking to transcode media files with ffmpeg or mencoder (or something other) on Ubuntu for my Nokia N900 running Maemo. I'd ...
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1answer
184 views

Site for learning about video codecs on the web [closed]

I am interested in learning about the HTML 5 specification as well as different video codecs for use in various browsers (mobile and desktop). So In an effort to learn about as much as I can, I'm ...
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1answer
1k views

Merging two m4v videos into one

I'm trying to merge two m4v video files into one with mp4box, and failing :( Here's what mp4box -info reports for first file * Movie Info * Timescale 90000 - Duration 01:06:18.836 ...
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votes
1answer
416 views

Encoding movie files into h264

Found some topics about archiving into h264, but those were about the generic questions (does it worth it, which codec to use.) I want to use h264 (with CUDA (if possible)). So far I only found ...
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vote
1answer
258 views

ffdshow h.264 audio desync

When I encode video with ffdshow with h.264, the audio is out of sync. At the very beginning of the video, the picture freezes for about 1 second, while the audio plays fine, resulting in the audio ...
26
votes
4answers
32k views

Joining H264 *without* re-encoding

I have two halves of a single show in two .MP4 files, encoded in H264. I would like to join them without re-encoding. Is this possible? I managed to create a joined video as a Quicktime file (.mov) ...
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1answer
1k views

Safari 4.0.5 will not play any HTML5 (H.264) video

The html5test.com tells me that my browser does not support the <video> element, and when I try example page, I get the fallback message, usually "Your browser does not support HTML5 video." I ...
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2answers
1k views

How can I convert yuv file to h264?

I have cif and qcif yuv image files. I want to convert them to h264 file. Could you advise me any application or program that encode h264?
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vote
4answers
4k views

Basic video editor for AVCHD Lite files?

I have a camera (Panasonic Lumix GF-1) that outputs "AVCHD Lite" files, 720p h264 in a MTS container. I saw this question that said Movie Maker in Windows 7 supports AVCHD...but I just tried, and ...
7
votes
2answers
8k views

FFmpeg extract clip - stream frame rate differs from container frame rate (x264, aac)

Summary H.264 video seems to have a really high frame rate that requires a scaling factor to the applied to the duration of video that I'm trying to extract (900x lower). Body I'm trying to extract a ...
0
votes
4answers
1k views

Program to encode or mux h.264 streams in a SWF container

Is there any program that allows encoding a video file into a H.264 stream inside a SWF, or that allows muxing an existant (x264) stream into a SWF? If not, any other possible codec better than Flash ...
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1answer
2k views

FFMPEG Segfault Solutions

I'm trying to convert a bunch of movies into h.264 mp4's using FFMPEG. These movies are sourced from various portable camcorders such as the Flip Mino HD and the Kodak ZI8. One issue I'm having with ...
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votes
4answers
10k views

How can I import h.264 encoded MOV files into windows movie maker?

I have a couple of digital camcorders that output .MOV files encoded in h.264 video/AAC audio. They won't load into Windows Movie Maker or Windows Media Player - I guess I need to install some codecs. ...
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3answers
9k views

Incorrect aspect ratio in mp4 (H.264) generated by Samsung camcorder

I just bought a Samsung Camcorder (SMX-F30BP). It has the ability to capture in standard Aspect Ratio (I guess 4:3) or in 16:9 format. The problem is that the mp4 (H.264) file generated is always ...
2
votes
3answers
353 views

What is this video format, and how do I convert It

Description I have a big (7.4G) .mkv file (1080p) which I want to convert to H.264 (using x264) Problem MediaCoder and GSpot are unable to detect the codec. They don't display anything. Just that ...
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votes
2answers
1k views

QuickTime X incorrect aspect ratio for H.264 video

I'm running Snow Leopard and have a serious issue with QuickTime X. I have a Samsung HMX-H100N/XAA camcorder that records H.264 video in either 720p or 1080i. In either of these resolutions, QuickTime ...
2
votes
4answers
12k views

Join two h.264 movie files, merging chapters?

I have two h.264 encoded .m4v files, generated with Handbrake 0.9.3. They used the same Handbrake preset. How can I merge the two files into one movie, and do I need to do anything special to preserve ...
2
votes
1answer
2k views

Converting video for Android using Adobe Media Encoder

I'm trying to convert some video to H.264 and play it on my Android mobile phone. I have Adobe Media Encoder and can easily create files that play on my PC but when I copy them to the phone the media ...
0
votes
2answers
4k views

How do I edit MP4/H264 video files in Sony Vegas Platinum 6?

If I try to open an MP4 file made by a Sony Webbie in Sony Vegas Platinum 6, it won't open. (Something made me think they would work together.) The Webbie files are H264. It will happily play ...