Converting HDTV .avi to mp4

I've been using VisualHub to convert HDTV .avi files for my ATV. The video converts, but I lose the 5.1 audio and only get stereo. I think this is a limitation of VisualHub.
Is there another converter that will retain the surround audio?
Thanks in advance.

the last version of visualhub supports 5.1 (there is even a seperate appletv preset for 5.1)

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Bad performance of video convertion from .avi to .mp4

I use QT Pro v7.0.3 to convert avi video to mp4. The mp4 quality is bad. I am unsure if mp4 movie is bad in quality or QT Pro is bad in convertion. As iPod selects to support mp4 video, the quality should be of an acceptable one, otherwise, it just damages iPod reputation. It is my first time to watch mp4 video but the impression is not to bother at all - worse than vCD. Is there any one using mp4 video? Any comments!
Thanks,
Ray

I set my QT avi to mp4 conversion to 2500 kbits/sec, current image size, current frame rate, and it's still worse than the original avi. FAR worse.
I've given up on encoding my avi's to play from my iPod. It just stinks, so I'm not sure what to tell ya... just that you are not alone in your observation. They look OK for play on the iPod, but playing from the iPod to anything else, like say a TV, it's not worth it. It seems to be better to just play the avi via some other means on the TV, because the conversion is seriously sub par.

Converting .avi to .mp4: No audio

I am trying to convert an avi to mp4 so I can play it on my ipod. I only plan on doing this 1 file so it makes no sense for me to purchase Quicktime Pro or VisualHub, so my options are iSquint and MPEG Streamclip.
After trying within iSquint, the conversion works but the quality of the mp4 file is almost unwatchable.
I then tried it in MPEG Streamclip but this is where my problem begins. No matter what I do I can't get audio on any output file. The avi file plays normally in Quicktime and VLC, but I've noticed that in the player in Streamclip there is no audio.
Even exporting to other output files gives no relief either.
I've looked at http://discussions.apple.com/thread.jspa?threadID=1616285&tstart=0 that addresses a similar problem but don't see anything to help my specific situation.
Some possible useful info:
~/Library/Quicktime contains -
AppleIntermediateCodec.component
AppleMPEG2Codec.component
DivXDecoder.component
DivXEncoder.component
Flip4Mac WMV Advanced.component
Flip4Mac WMV Export.component
Flip4Mac WMV Import.component
(note the first 3 file have a white lego block as their icon, the second 3 have a white page as their icon.)
When playing the file in Quicktime the Quicktime Movie Inspector gives this info:
NMP1.avi
DivX
Format: DivX 6.0, 608 x 246, Unknown MPEG Layer 3, Stereo, 44.100 kHz
FPS: 23.98
Data Rate: 708.03 kbits/s
Normal Size: 608 x 246 pixels
Current Size: 608 x 246 (Actual)
While the file is in the MPEG Streamclip player the Stream Info displays
Bit Rate: 0.75 Mbps
Video Tracks:
DivX 5.0, 608 × 246, 23.976 fps, 634 kbps
Audio Tracks:
MPEG Layer-3 Audio stereo, 44.1 kHz, 112 kbps
Stream Files:
NMP1.avi (790.21 MB)
Does anyone know what is causing this problem and/ or know how to fix it?
Running 10.5.4 on Macbook 2.16GHz C2D 2GB
Quicktime Player v7.5
MPEG Streamclip v1.9.1
VLC v0.8.6i
thanks, b.
(ps I didn't know which section to put this thread under so went with Quicktime as a safe bet.)
null

Thanks for replying guys.
I tried what you suggested Ricktoronto on a small test file and it worked!
You've made my day, been trying for a couple of days to get this to work.
Is it ok to delete those DivX files from my mac now? I have the DivX player still installed, that won't crash if I delete those files, will it?
Many thanks, much appreciated.
b.:)

QT 7.5.5 AVI to MP4?

Hello
I have converted a AVI to MP4 via QT and there's no sound at all after conversion and why is this?
Do I just go back and use VH as usual or is there a way around this
Thanks

What was the audio codec (and video for that matter) in the source file? DO you have Perian installed? If not a good idea.

How do I convert a photo booth file to an AVI or MP4?

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I tried exporting the file from Quick Time to my desktop, but the file extension reads as .m4v - is that compatible with other pc?

The M4V format is a video file format developed by Apple and is very close to the MP4 format. The differences are the optional Apple's DRM copyright protection, and the treatment of AC3 (Dolby Digital) audio which is not standardized for the MP4 container.
If your M4V video is not unprotected M4V files and without AC3 audio. It may be recognized and played by other video players by changing the file extension from ".m4v" to "mp4".
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First, depending on what is inside the AVI file, it should/might be "naturally" supported by Premiere
Read Bill Hunt on a file type as WRAPPER http://forums.adobe.com/thread/440037
What is a CODEC... a Primer http://forums.adobe.com/thread/546811
What CODEC is INSIDE that file? http://forums.adobe.com/thread/440037
Report back with the codec details of your file, use the programs below... a screen shot works well to SHOW people what you are doing
http://forums.adobe.com/thread/592070?tstart=30
For PC http://mediainfo.sourceforge.net/en or http://www.headbands.com/gspot/
For Mac http://mediainspector.massanti.com/
Also, for the future when you post...
More information needed for someone to help... please click these links and provide the requested information
-Information FAQ http://forums.adobe.com/message/4200840
-Effective questions http://forums.adobe.com/thread/416679
-How to get help quickly http://forums.adobe.com/thread/419406

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Video podcasts.
iTunes Digital Copies.
iTunes Store Movie Rentals (Requires iTunes 9 or later).

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http://www.videolan.org
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Copied from this link.
http://www.apple.com/iphone/specs.html
Video formats supported: H.264 video up to 1080p, 30 frames per second, High Profile level 4.1 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; MPEG-4 video up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps per channel, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format
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Ffmpeg avi to mp4 issues

I'm trying to convert a video (Choke) from avi to mp4 format so that I can put it on my old 5G ipod video.
ffmpeg -i /home/wes/Videos/Choke/Choke.avi -s qvga /homa/wes/Videos/Choke/Choke.mp4
returns
[mpeg4 @ 0x83580a0]timebase not supported by mpeg 4 standard
Error while opening codec for output stream #0.0 - maybe incorrect parameters such as bit_rate, rate, width or height
I thought that should work, but I've been wrong before so I look around the wiki and the aur. I tried furiusconverter from the AUR and got similar errors. Avidemux doesn't work either. I'm getting really frustrated since from what I understand this should be working flawlessly. So I turn to the wiki and I find some code:
ffmpeg -vcodec xvid -b 300 -qmin 3 -qmax 5 -bufsize 4096 \
-g 300 -acodec aac -ab 96 -i INPUT -s 320x240 \
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I got some errors pertaining to the bit rate that went away when I changed "-b 300" to "-b 300k" and "-ab 96" to "-ab 96k". There were also problems with "-vcodec" and how "xvid" was not recognized so I just got rid of "-vcodec xvid" but then I got the first error I posted.
The wiki also had this to offer: http://thomer.com/howtos/mp4ize
but after making it into "Converter.sh" and chmodding it (777) and running it I got another error. This error may have something to do with my not having Ruby installed but I think I do so it shouldn't be a problem.
Does anyone know if I'm doing something wrong, how I can fix it, or any bit of wisdom?
On the fringe,
--Wes
EDIT:
So I installed Ruby (stupid of me not to check) and tried the code in the link above again. It seems like it's working and we'll see in a while if it did or not, but I'm still really curious why ffmpeg isn't working for me. Can some one please tell me what I'm doing wrong with ffmpeg so that I don't have to keep using this homebrewed script?
Last edited by Wesman26 (2009-06-26 19:52:13)

ffmpeg error wrote:maybe incorrect parameters such as ..., width or height
man ffmpeg wrote:-s size
Set frame size. The format is wxh (ffserver default = 160x128, ffmpeg default = same as
source). The following abbreviations are recognized:
qvga
320x240
i'd try it as simply ffmpeg -i file.avi file.mp4 and see if it works. maybe that size is just not supported by mp4

Importing avi and mp4 files into iPhoto

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iPhoto does not import video files in *.avi or *mp4 format.
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Can anyone recommend a method that will accomplish this? I assume I will have to convert the avi/mp4 files to some other format. Is there a utility that will extract out the video files from my hundreds of photo directories and let me convert them to the accepted format by iPhoto, preferably keeping the time/date stamp intact?

Check over on MacUpdate for file converters.

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I'm trying to find a quick, easy, hassle free way of converting video files such as mpg and avi to mp4 so that i can watch them on my new ipod nano.
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Ricktoronto and others,
Thanks for all the advice! I do have MPEG Streamclip and I'd thought about it, but have not really used it all that much. I didn't spend a whole lot of time looking at it but just did now and see that you convert to Quicktime and in there, you select Apple MPEG-4 and do all your adjustments. Now my version says that it will convert to H264. Does that function not work right?
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Converting HDTV .avi to mp4

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