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Transcoding MTS/M2TS AVCHD Video Into AVI Files with Free Software

This holiday season, I was an extremely lucky recipient of a Sony HDR-SR5 video camera with a whopping 40GB hard drive inside. When I opened it, the first question in my head was not atypical of a Linux users’ train of thought: “Is it compatible with Linux?” The answer was a tiny bit more complicated […]

dscn1233.JPGThis holiday season, I was an extremely lucky recipient of a Sony HDR-SR5 video camera with a whopping 40GB hard drive inside.

When I opened it, the first question in my head was not atypical of a Linux users’ train of thought:

“Is it compatible with Linux?”

The answer was a tiny bit more complicated than I imagined, and immersed me into the otherwise unknown world of video transcoding, which is something millions of people do every day but probably never think about it. The best example is on YouTube, where it happens behind the scenes in the Google computing cloud, and everything “just works.”

I’ve read a few things about the format the camera uses, called AVCHD. Even in Windows (or OSX for that matter) many people have headaches with the AVCHD format, so I figure that Linux users are probably going to be having a helluva time trying to get it to work.

The files the camera generates are compressed at an incredible 15:1 ratio. I’ve seen it mentioned that a Standard Definition compressed clip of is actually larger in file size than an HD clip in AVCHD format.

The compression is where a majority of the AVCHD format complaints come originate from, since there is not much out there in terms of being able to edit video stored in the format without uncompressing it first. It takes some rather respectable computing horsepower to actually convert the files into an uncompressed format that can be played with in a video editing software package. Using the method detailed here, it takes about 5-6 minutes to uncompress and transcode a minute of video, on an Intel Core2Duo running at 3.2GHz with 4GB of RAM and a 10,000RPM hard drive – OUCH!

When plugging in the Sony HDR-SR5, it functions as a USB Mass Storage Device. Copying files from the camera to the computer is a simple drag n’ drop affair. This would be a familiar process to anyone who has used a digital camera and imports pictures to their computer.

It would certainly be faster to playback the videos in real-time and capture them using the component outputs from the camera… but that wouldn’t be a challenge. I’ve never actually installed the software that came with the Sony Handycam, so I’m not sure what I’m missing out on, but it doesn’t seem like all that much, to be honest. I wouldn’t be surprised if it was the typical Sony software suite that is about as useless as the media it is distributed on.

Let’s get down to the meaty bits, shall we?

The first thing I searched for was “AVCHD Linux” and found a post over at AVS Forum. On a side note, my Google-Fu is really spot on lately.

That post is a gold mine. It literally contains everything we need to transcode the video into formats of our choosing that are usable in non-linear video editing programs such as Avidemux or Cinelerra.

m2tstoavi is the best information I have found (so far!) to uncompress the AVCHD video files on my camcorder and convert them into a .AVI file in Linux.

Installation is very simple, all it requires in Ubuntu is a quick apt-get install:

sudo apt-get install mplayer ffmpeg x264 faad2 faac a52dec mencoder faad libfaad2-0 libfaad2-dev subversion csh

Then edit the install script as noted in the README to grab the newest version of ldecod. Everything else is completely automated – nice job Axel!

I did need to modify the settings a tiny bit to actually get audio synchronized as well as fix a possible issue with the script itself. I had problems until I commented out the echo ffmpeg yadda yadda part. When modified, it runs the following commands:

xporthdmv -hn $file 1 1 1 && mv bits0001.mpa $audiofile
ldecod -i bits0001.mpv -o $videofifo &
ffmpeg -r 29.97 -s 1440x1080 -i $videofifo -i $audiofile -vcodec mpeg4 -sameq -acodec copy -aspect 16:9 -b 15000k

I’m using the m2tstoavi.fifo script that uses named pipes (denoted above with dollar signs) to stream the output of one command into another. It is efficient with disk space and does not fill up the drive as the regular m2tstoavi script does, not sure why the fifo version is not the default. Ah well, nothing is perfect.

Once installed, I just run this command to convert every MTS video in the current directory to .AVI files:

./m2tstoavi.fifo *

It turns this proprietary format mess:

source-mts.png

Into precious memories:

output-mts.png

All in all, I’m glad I don’t need proprietary software for this conversion. I really wish it were faster – but here’s the point of this exercise:

I never used Windows software, so I don’t know what I’m missing. I’m happy with the solution I have, and if 20 people comment on this post and say they can edit HD video in realtime, good for them.

If they do, then I would have a better reason to upgrade to a quad-core CPU.

Here’s a (VERY unpolished!) video talking about the process in a little bit more detail, and showing the actual encoding process and the finished result. I’m not responsible for anybody tripping out at the end on my extremely crazily bad camera skills in the rendered video.

Oh yeah, and for those of you who were wondering, I also received quite possibly one of the best books I’ve read in a long time… it’s all about how cool Eric S. Raymond is ninjas are.

ninja.png

124 replies on “Transcoding MTS/M2TS AVCHD Video Into AVI Files with Free Software”

If you want Ninjas, then study Ninjutsu:

http://www.winjutsu.com/

I find it much more natural in movement, less “stiff” than generic Karate, yet with a much greater range of skills and style. Check out Human Weapon #14 for a glimpse.

On video, wow! 1 to 5 speed ratio on that hardware? I’m not going to be getting a Sony, that’s fore sure.

I was very happy with my Sony mini-DV camera until it broke, it interfaced with Linux seamlessly. Linux runs fine on my Sony laptop, so it’s nothing against Sony.

looks like you made it to the front page of digg again, via wired…
congratulations!
this is my favorite linux blog

Hey thanks for another great post! I am curious if this process could be sped up with the addition of a graphics card that would handle h.264 encode/decode. For instance the 8000 series nvidia cards have pureHD which off loads most of the decode/encode labor.

If you continue to test different methods please update us with your progress

Thanks a bunch! Finally got a couple vids off my new camera thanks to you (and Mr. Olmos & a host of others) with the mighty Gutsy Gibbon of Ubuntu.

cf: That’s great!

Daniel: I’m pretty sure that it is theoretically possible, but I’m not sure that the decoding ability of the video card has been harnessed yet… it would certainly be much faster with a dedicated device.

How happy are you with the video quality? Is it worth getting one of these cameras? Is the video de/re compressed or is it only the container that’s modified?

Jason: Low-light video is noisy. Otherwise I would say it is the most compelling product in its price range next to the Canon models.

It has me seriously considering a 24 or 27″ monitor to be able view the output natively on my computer. It looks terrific on my HDTV.

I think there is no support in linux drivers for decoding h264 video (and of course encoding) with videocard’s hardware, just for decoding mpeg2.

Hey guys I have a Question.

I am following the directions above as I am trying to convert an MTS file to an avi from my Sony HDR7 on Ubuntu.
I am entering the following commands :

xporthdmv -hn $file 1 1 1 && mv bits0001.mpa $audiofile
ldecod -i bits0001.mpv -o $videofifo &
ffmpeg -r 29.97 -s 1440×1080 -i $videofifo -i $audiofile -vcodec mpeg4 -sameq -acodec copy -aspect 16:9 -b 15000k

But I have NO luck getting the video synchronized with the audio. The audio keeps lagging behind. Does anyone have any idea on what I am doing wrong?

Also, anyone know if there is any tool to edit HD video directly? Is there any work being done on that?

Thank you!

Yuri

The same as Yuri above, and the author of this article, I am having audio/video sync problems with the resulting .avi file. The tutorial mentions commenting out a “echo ffmpeg” line, but where exactly is this? And I want to mak sure this commenting out is the solution to the sync problem. Thanks.

Yuri / Adam – if you have a PAL camera, this may fix it:

ffmpeg -r 25 -s 1440×1080 -i $videofifo -i $audiofile -vcodec mpeg4 -sameq -acodec copy -aspect 16:9 -b 15000k

The video is being encoded at 25 vs 29.97 frames a second

I don’t think I have a PAL camera, but I’ll try your suggestion in a few minutes.

I’m still having the trouble with the scripts, but I *did* get it working perfectly when entering the commands manually on the command line in some fashion. I did this late, late last night, when half asleep, so I hope I wasn’t dreaming it.

I’ll now try to reproduce it, and detail the steps in my next post in an hour.

An update: I was wrong.

But thankfully wrong in a good way: it works fine with both manual and the fifo script. I have run it many times, changing many options around to make sure I really do have a good configuration.

To note: I installed the latest CVS ffmpeg with the following ./configure flags:
–enable-gpl –enable-pp –enable-pthreads –enable-nonfree –enable-libvorbis –enable-libtheora –enable-liba52 –enable-libgsm –enable-libdc1394 –disable-debug –enable-shared –enable-libxvid –enable-libfaac –enable-libfaad –enable-libfaadbin –enable-libmp3lame –enable-libx264 –enable-x11grab –enable-swscaler –enable-nonfree –prefix=/usr/local

And here are some other stats for ffmpeg’s installation:

libavutil version: 49.6.0
libavcodec version: 51.49.0
libavformat version: 52.5.0
libavdevice version: 52.0.0
built on Jan 28 2008 01:23:48, gcc: 4.1.3 20070929 (prerelease) (Ubuntu 4.1.2-16ubuntu2)

And here is the middle section of my m2tstoavi.fifo script (middle because I’ve commented out and changed many parts)

if ( ! -f $audiofile ) then
# echo xporthdmv -hn $file 1 1 1
xporthdmv -hn $file 1 1 1 && mv bits0001.mpa $audiofile
else
echo $audiofile already exists, not creating it.
endif

mkfifo $videofifo
# echo ldecod -i bits0001.mpv -o $videofifo
ldecod -i bits0001.mpv -o $videofifo &

if ( ! -f $outputfile ) then
# echo ffmpeg -r 29.97 -s 1440×1080 -i $videofifo -i $audiofile \
# -vcodec mpeg4 -sameq -b 15000k \
# -acodec libmp3lame -ac 2 -ab 256000 \
# $outputfile
# First pass for statistics
ffmpeg -r 29.97 -s 1440×1080 -i $videofifo -i $audiofile \
-vcodec mpeg4 -aspect 16:9 -sameq -b 15000k \
-acodec libmp3lame -ac 2 -ab 256000 \
-pass 1 -passlogfile $filebase $outputfile || exit 1

# Second pass for better quality… I hope
ffmpeg -r 29.97 -s 1440×1080 -i $videofifo -i $audiofile \
-vcodec mpeg4 -aspect 16:9 -sameq -b 15000k \
-acodec libmp3lame -ac 2 -ab 256000 \
-pass 2 -passlogfile $filebase -y $outputfile || exit 1
else
echo $outputfile exists, not creating it.
endif

I hope this helps someone, and since I am by no means an ffmpeg expert, if someone sees me doing something wrong in any of this, please let me know!

Well, a change: I spoke too soon when I said my above script works. It stalled at the 2nd pass. I’ve changed it by removing the 2nd block of ffmpeg and the “-pass” references. It now works perfectly, verified after half a dozen videos in a row.

I have a bunch of little videos, each only 1 to 3 minutes long, encoded in 7 mb/s bitrate (half the full High Def bitrate), resulting in MTS files around 35-80 MBs in size. It is taking about 7-14 minutes to process each one, I *estimate*, but note I am doing this on a relatively slow laptop (1GB RAM, Pentium Dual Core 1.8 GHz). I have a server I’m in the process of setting up, and I hope that might be a little better (that’ll be a dual processor Xeon 64 bit with 1GB RAM).

Oh, and the resulting mpeg4 avi file is about 75% of the size of the original MTS file. Is this *reduction* in size normal? I thought the AVCHD formt was highly compressed, and that any re-encoded video would be significantly larger. Am I unwittingly reducing the quality somewhere along this process?

Oh, and another thing (sorry to fill up your feedback forum here), but I had trouble with the ac3 audio encoding. No errors were reported, but neither VLC nor Totem played audio when I would play back the AVI (video was fine). I switched to the libmp3lame (mp3), and it works perfectly.

For me, 3.5GB of HD video in .mts format converts to 14.6GB. So roughly 4x larger after they’re converted. You might be loosing quality.

I’m not much of an ffmpeg expert by any stretch of the imagination, perhaps at this point starting a thread on doom9 forums or even the ffmpeg users mailing list would be highly beneficial for all of us.

Yuri, glad it worked. Question: what are your file sizes looking like? As I mention above, I’m having an odd result, but I realized this might be because my videos are all “bluescreen”, where most of the background is a stationary solid color, and therefore mpeg4 might be compressing that, resulting in the small file size.

Hey Guys,

The files are working out great, except I noticed that Cinelerra will not recognize any of the AVI files that I create. I have tried multiple codecs such as XVID and VORBIS, but no luck. The LIVES editing program works fine. Any ideas why cinelerra won’t work with these files?

Thanks,

Yuri

I used the steps outlined in the thread and was able to convert MTS to AVI – but I see audio video sync problems.
Audio seems to be out by a few seconds.

I tried to use the “-acodec libmp3lame” but it does not work inspite of compiling ffmepg with ‘libmp3lame’.

Any ideas?

Thnaks,
Ramana

% /usr/local/bin/ffmpeg -formats | grep mp3
FFmpeg version SVN-r11872, Copyright (c) 2000-2008 Fabrice Bellard, et al.
configuration: –enable-libmp3lame –enable-liba52 –enable-gpl
libavutil version: 49.6.0
libavcodec version: 51.50.0
libavformat version: 52.7.0
libavdevice version: 52.0.0
built on Feb 5 2008 21:29:17, gcc: 4.1.3 20070929 (prerelease) (Ubuntu 4.1.2-16ubuntu2)
DE mp3 MPEG audio layer 3
EA libmp3lame
D A mp3
D A mp3adu
D A mp3on4
text2movsub remove_extra noise mov2textsub mp3decomp mp3comp mjpegadump imxdump h264_mp4toannexb dump_extra

The current top-of-truck version of mplayer/mencoder from SVN can properly decode and transcode .mts files from a Canon HG10 into other formats.

For example, after compiling a new mencoder, I’m using the following single commandline to scale the .mts files down to something that will decode in realtime on my PC:

./mencoder /tmp/00126.mts -o /tmp/00126.avi -oac copy -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=5000 -fps 60 -vf scale=800:450

There’s no A/V sync issues either!

I’m trying to get this to work in Ubuntu 7.10, what am I doing wrong?

travis@travis-ubuntu:~/Desktop/m2ts$ ./m2tstoavi.fifo samplevideo.m2ts
bash: ./m2tstoavi.fifo: /bin/csh: bad interpreter: No such file or directory

Awesome! Works like a charm now. What sources do you have in your /etc/apt/sources.list? For some reason, mine failed to get faad2.

You don’t happen to know how to deinterlace the video too do you? The interlacing in the video from my Canon HG10 is very obvious.

Thanks again for this guide and your help!

I noticed faad2 doesn’t get too. Not sure why I had it in the list. Unfortunately, my Sony cam uses adaptive interlacing – if a scene has lots of movement it interlaces, if its a still shot, none. I’m waiting for the next crop of 1080p non-interlacing, true “progressive” cameras to come out. Several were shown at CES this year by cannon and samsung and others.

Hi,
i use “MEncoder dev-SVN-r26268-4.1.2” (compiled on a P4/2GHz Xubuntu edgy) with this options

mencoder 00001.mts -o 1.avi -oac copy -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=10000 -fps 60 -vf scale=1140:1080

and it works fine & fast. My Cam is a Panasonic HDC-SD5.

Install Mencoder (MPlayer):

get codecs from http://www.mplayerhq.hu/design7/dload.html and install

svn checkout svn://svn.mplayerhq.hu/mplayer/trunk mplayer
./configure
make
make install

(maybe ln -s /usr/local/bin/mencoder /usr/bin/mencoder)

Thats all.

yup latest svn of mplayer demuxes and decodes MTS .. you can even play them straight, sort of, without reencoding

straight remuxing without reencoding to mp4 also works, but then player needs to have decoder that understands interlaced and highprofile h264 stream.. very few of them do.

I have a .mts file that is the first of 2 that were broken in 2 during a 1 hour video. There are 2-2 gig files and one less than 2. With that being said, the first of the 2 gig files I cannot open In my Sony Vegas 7 edit software. Ive been using this camera for a year and never had this issue before. How or can I get this file repaired. I’ve said enough…sorry for being so long winded! Please help if you can, very important video lost!
Rick

[…] Det kan gøres med Super (se på Softwaresiden under videolykke), DGAVCdec og et par andre programmer/metoder. Det tager også tid og er svært, men er måske den bedste løsning for […]

Hey,

I am running the following ffmpeg line for the conversion :

ffmpeg -deinterlace -r 29.97 -s 1440×1080 -i $videofifo -i $audiofile -vcodec mpeg4 -sameq -acodec aac -ac 2 -ab 256k -aspect 16:9 -b 15000k $outputfile

But the resulting video has really annoying slow lines running down the screen. Especially when there is motion in the video.

Any ideas…?

Thanks

I have actually read this book cover to cover and Robert Hamburger is a genius. I am glad to see that others think so too. Thanks for the software… I would donate money but I don’t see a link… add one!

Britt

What if you simply wanted to put it on DVD-R in HD format for non-BluRay players & on a BDR for play in a BluRay player.

Thanks

When I try to run the apt-get line, I am having trouble. It appears that ffmpeg depends: libmp3lame0 and mplayer depends: liblame0, but libmp3lame0 conflicts: liblame0. Am I doing something wrong?

So once you’ve transcoded the video, what is your final video editing solution? I use Vegas 8 (under XP) and find it edits AVCHD ok in realtime (on a dual core), but it certainly taxes the machine. However, the Aiptek cameras which record MOV files in H.264 not only require exporting from QuickTime to MP4 (due to a gimped audio format… its the audio which requires the export not the picture data), but can NOT be edited smoothly in realtime. I’ve got a quad core Dell XPS 430 and multi camera editing of 2 Aiptek 720p videos results in 1-frame-per-second updating in my editor. Crazy slow.

My point being even if you get a top-of-the-line PC, the cameras seem to be employing video compression which requires more and more power to decompress on the fly. It may be transcoding for responsive editing (like you have done) becomes the norm.

(But once again in case it was lost in this rant, what do you use to edit?)

Doug, VLC media player for both Linux and Windows should play your files. And pretty much anything else too!

It has many CODECs built in so other changes to CODECs on your system will not affect your ability to play video files.

Rob

Doug (and Robbie), my experience with VLC player is for some reason it does not play footage captured on my SONY HDR-SR1, often closing with an error. If anyone (Robbie?) has used it to play AVCHD footage captured with this camera and thinks the problem is me, please lemmie know!

Sorry to disappoint Gordon, the files I’ve played with VLC are not from this source so can’t confirm experience with that data. Good luck in your search for a solution.

I’m going to jump to the conclusion that the A/V sync issues are caused because the tool chain does not honor the time stamps on the original video. MPEG video and audio packets almost always have time stamps (PTS/DTS) which exist specifically to synchronize audio and video. If a demultiplexer strips these off, the multiplexer will not know what the exact skew between the two is and the final video will be out of whack. In order to have proper A/V sync every filter in the chain has to respect and preserve time stamps.

Hey I got it working a while ago but forgot to comment back. This is great. I’m having the audio sync problem. Is the problem fixed if you put -hn in the xporthdmv command? I’m using just a -h because in –help there is no -n option. Sooo. What is the consensus on the sync problems?

Audio sync problem with Mencoder FIXED…

just add “-of lavf” right before “-o outputfile” in your encoding command.

*drop all quotes when using this advice.

: )

I use a fully modified version of the script. I’ll put up a download for you later sorry I have no time right now…

also, I am still perfecting a couple of things…

I have read several articles about tyransfering HD video to a format that my computer can reaqd, my mate had a Sony HD camera on holiday last year and I am trying to read the disc he has sent me. So far I have only nread a lot of rubbish, it is full so full of abreviations that I don’t know what I am looking at. If this is a sample of this website, I am sorry, it is a complete load of Cr**. Sory for the invective but I saw it on a previous section and thought it was appropriate.

Is there any software out there that leverages the massive parallel computational capabilities of the AVIVO system that ATI/AMD use in their HD48xx systems?
I have one of these and want to process AVCHD in it’s uncompressed form. A program that can use the AVIVO system and runs on Linux and Vista would be awesome.

Hans, I’ll back you up on that (KDENLIVE = GOOD), although I have not edited a full project on it yet. My issue was being unable to capture HDV via firewire on my Ubuntu box. I don’t know if that was an issue with KDENLIVE or my OS install. But in terms of supporting a wide variety of footage, KDENLIVE took EVERYTHING i could throw at it.

My only concern was that it appears a bit slow playing AVCHD… like SONY VEGAS was a bit more responsive in playing back the same footage. But then Vegas costs serious $, and is having trouble is Aiptek 720p files >2GB (which KDENLIVE does not have trouble with).

I’m looking for a free video editing solution for schools, and I’ll be checking out KDENLIVE again on my next install of Ubuntu. I’m told there are multimedia Ubuntu distributions, so I’ll probably try start with a fresh install of one of those.

Hi Gorden,
i recommend to install ubuntu jaunty (final release date is 09/04/23) which includes a lot of necessary patches for kdenlive, ffmpeg, mlt, etc.. it works fine with my panasonic hdc-sd5. are you a teacher, too?

No, but wife is principle of a school, and I’m volunteering some time to help them set up editing suite. Windows Movie Maker being what it is. I’ll let let Jaunty come out and try again with that. Thanks.

I’ve got a number of files .avi .mpeg etc I want to put onto a AVCHD disc, but I need to convert them into the correct directory structure i.e. BDMV and CERTIFICATES etc any app that does it?

Yeah, you can make a AVCHD DVD, which uses the BBMV and CERTIFICATE folders like a blu-ray disc.

This allows you to have higher then 720p resolution on the disc, you obviously need a blu-ray player to play the disc though.

Dude, take that video out. Good article and completely “like total” level of commentaries eehhmm, ha, mmm like you know…. Terrible! Take it off!
Andrew

Ubuntu 9.04:

$ sudo apt-get install mplayer ffmpeg x264 faad2 faac a52dec mencoder faad libfaad2-0 libfaad2-dev subversion csh
Reading package lists… Done
Building dependency tree
Reading state information… Done
ffmpeg is already the newest version.
Package faad2 is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
However, the following packages replace it:
faad
E: Package faad2 has no installation candidate

Hi,

Maybe someone can help me, I bought a new camcorder Canon HG21 and I tried to convert the M2TS files to AVI to be able to watch them on my laptop (OS Windows) but the quality is very poor, the original file size is 29MB and the converted file is only 714KB, the original video size was 1440×1080 and the converted video size is 176×144. Could you please let me know which software I can use for the better quality?
Cheers,
Afchine

Your original resolution is 1440*1080, and now you converted to 176*144, that’s why you get poor quality.

Get a iSkysoft video converter, set the output format, and go to setting panel, set the resolution. If you want to convert to SD (Standard-Definition) video, 720*480 should be fine.

Hi Guys, Thanks for your help, I bought the software WonderShare which is HD video converter and everything is perfect now. Once again thanks for your help.

VLC plays MTS files natively. I use both ubuntu and Arch with Openbox and the MTS files from my Sony HDR-SR12 play just fine. Actually they play much better than in the SONY provided software for Microshaft and it doesn’t take hours and hours to transfer the files.

I simply copy them over USB and play them in VLC that’s it.

If you do want to encode though, Handbrake is the way to go.

roguededguy, I just want to point out, the MTS files may be slightly corrupt to SONY VEGAS if you then later try to use those MTS files in a project IF they are 2 GB files broken up automatically by the camera.

I’ve had many 2 GB MTS files that SONY would either not import or not recognize the audio from. Allowing the (kind of annoying) Sony PC software to convert them (rejoin them) to larger M2TS files allowed me to import the same videos without issue.

So I would recommend letting the import software convert the MTS files to M2TS as you take them off the video camera, in case they cause you grief when you try edit with them later.

Hi there, I have a very poor quality when I’m burning the M2TS to the DVD. I’m using the video-to-DVD application from Wondershare software. Do you have any idea?

I use WinFF which is GUI frontend for ffmpeg to convert mts files produced by Canon VIXIA HF20 to smaller scale avi’s. For the target format choose AVI and XviD Widescreen preset. The result is perfect.

I use this command to compress my m2ts files :

(4 threads for 4 processors…)

ffmpeg -i file.MTS -threads 4 -deinterlace -y -vcodec libx264 -sameq -acodec ac3 -ab 192k -ar 48000 -ac 6 -s 1280×720 -r 50 -b 20000k outputfile.avi

The result is very good! I hope it will be useful…

A little experience with ffmpeg

ffmpeg -i 24Mps_input.mts -target pal-dvd output_24_dvd.mpg

It works fine in my Opensuse 11.1. The only problem in my system was that the first version I’ve installed of ffmpeg did not run. It was i686, I replaced it for the i586 package and all it’s ok. Note that i use the pal system. Adjust your settings to ntsc if necessary.
Sorry for my poor english, I hope at least it’s possible to understand me…
Happy new year. Great post! Thanks all of you…
Tom

[b]Aunsoft MTS/M2TS Converter for Mac[/b] is a powerful Mac MTS/M2TS Converter tool to help you convert MTS/M2TS files on Mac OS X to other popular video formats with various editing functions and fast converting speed. It can let you edit and convert *.mts or *.m2ts files to MP4, 3GP, 3G2 AVI, MPG. MOV, M4V, MKV, AVI, FLV, VOB, FLAC, OGG, WAV, AC3, M4A, MP3, WAV etc.

The program focuses on helping you to convert M2TS/MTS files to suitable format for editing software like iMovie, Final Cut Studio, FCE, Avid, Adobe Premiere Pro, etc, to stream MTS/M2TS videos to play on iPad, iPod, iPhone, Android phones, Zune HD, Apple TV, Archos, etc, and to load MTS/M2TS files to iDVD for burning DVD and so on. Moreover, the Deinterlacing and Simple gauss blur function in the program are very useful to recorded AVCHD file format, since it can remove the interlacing artifacts and image noise from recorded videos.

[b]Why choose Aunsoft MTS/M2TS Converter for Mac?[/b]
– Easily enjoy M2TS, MTS, and M2T videos everywhere with portable devices like iPad, iPod, iPhone, Blackberry etc.
– Support AVCHD videos recorded by Sony, Canon, Panasonic, JVC, etc camcorder.
– Convert 1080p, 1080i, 720p M2TS, MTS files to other format and keep pristine quality.
– Compress or shrink big M2TS/MTS files to small size for burning to DVD.
– Convert MTS/M2TS files to iMovie, FCE, FCP, etc for professional editing.
– Set diverse profiles with different settings for one original file.
– Excellent and characteristic audio/video sync technology.

[b]Key Features:[/b]
[b]Compress MTS/M2TS video size with best quality[/b]
The Aunsoft MTS/M2TS Converter for Mac helps to reduce MTS/M2TS video size in large scale but maintain with the best quality. Just select the right video and audio bit rate. Once clicked the convert button, you can see the estimated output size.

[b]Output videos for many uses[/b]
You can convert MTS/M2TS videos to compatible formats for playing on various multimedia devices, for further editing in Final Cut Pro, FCE, iMovie, Adobe Premiere Pro, Avid, etc, for burning to blank DVD with iDVD, Nero, etc, or for uploading to YouTube, Myspace, Hulu, Websites, etc, or for playing on media players like WDTV, Apple TV, Popcorn, TViX, etc.

[b]Comprehensive list of output video formats[/b]
Aunsoft MTS/M2TS Converter for Mac supports helping you to rip and convert AVCHD (*.MTS, *.M2TS, *.M2T) videos to any other format like MPEG4, AVI, MKV, MP4, MPEG, FLV, MPG, DivX, Xvid, WMV, ASF, VOB, MOV, AAC, AC3, MP3, WMA, 3GP, etc.

[b]Deinterlacing AVCHD (MTS/M2TS) files[/b]
If your video source is from some interlaced AVCHD camcorders, you will find many annoying interlaces on the video. It’s easy to remove them in Mac MTS/M2TS Converter with the deinterlacing function. And it could be removed by default.

[b]Trimming, cropping, merging MTS/M2TS files[/b]
It is not a big deal if you have taken in some unwanted part or black edges on the MTS/M2TS videos. You can easily remove them with the trim and crop function. And you can also merge/combine/join several M2TS/MTS files into a single one.

[b]Output settings for novices and veterans[/b]
In order to enhance output video quality or let your output files more suitable for media devices, you can set output profile parameters like bitrate, resolution, sample rate, frame rate, codec, and channels. Batch conversion, fast speed.

[b]Easiest, fastest conversion and best enjoyment[/b]
Supporting multi-threading and batch process, the MTS/M2TS Converter for Mac automatically detects your CPU and offers you the best speed to convert video in a single click. Then it can bring a deluxe visual and acoustic feast with top-notch quality for you.

http://www.aunsoft.com/mts-converter-mac/

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