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7thShare Any MP4 Converter 3.2.8 Giveaway
$29.00
EXPIRED

Giveaway of the day — 7thShare Any MP4 Converter 3.2.8

Convert any video file to MP4!
$29.00 EXPIRED
User rating: 74 (77%) 22 (23%) 54 comments

7thShare Any MP4 Converter 3.2.8 was available as a giveaway on January 24, 2017!

Today Giveaway of the Day
$29.95
free today
Easily convert PDF Files!

7thShare Any MP4 Converter is capable of converting FLV, MKV, WMV, MOV, MTS and other video formats to MP4, a widely accepted format that works on most electronic devices. Different MP4 encoding formats are available, including HD MPEG-4 Video (*.mp4), HD H.264/MPEG-4 AVC Video (*.mp4), Samsung Galaxy Note (*.mp4), iPhone H.264 HD Video(*.mp4), YouTube HD Video (*.mp4), and more.

Besides converting video files to MP4 format, you can easily extract audio tracks from your video files and save them using a number of standard audio formats such as MP3, OGG, M4A, AAC, AC3, AIFF, AMR, AU, MP2, DTS, M4R, M4B, and MKA.

With the MP4 Video Converter, you can easily adjust video brightness, saturation, contrast, hue and volume. The "Deinterlacing" feature converts an interlaced video to a higher quality progressive one. The intuitive user interface makes it easy to join multiple videos together, trim video length, crop video frames and add image or text watermarks to the final output video.

7thShare provides 50% off coupon code: THS-DJ68-JSTN (apply to all 7thShare products).

System Requirements:

Windows 10/ 8/ 8.1/ 7/ Vista/ XP (SP2 or later)

Publisher:

7thShare Studio

Homepage:

http://7thshare.com/any-mp4-converter/

File Size:

32.3 MB

Price:

$29.00

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Comments on 7thShare Any MP4 Converter 3.2.8

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#21

no problem in downloading and installing the Software, easy to use, fast in action. I am lucky, a Win 10 x64 user.

Reply   |   Comment by donald  –  2 years ago  –  Did you find this comment useful? yes | no (0)
#20

I agree with remark #11 from Bob.
Except for me, I can never download "Giveaway of the day" from/thru AOL. I have to open the 1st link in IE (or any other browser) and then ask for a email (which always goes to my spam folder). I then have to open that link in IE and then download the program which took about 2 minutes. I then installed the program with no problems, just as Bob did. I never disable any of my anti-virus programs while doing this and none have ever interfered with a "Giveaway" installation.

Reply   |   Comment by autotran  –  2 years ago  –  Did you find this comment useful? yes | no (-1)
#19

Where are the comments & why can does the setup file just die? I've never seen so few comments. Are these two observations related? Was there a snafu?

Reply   |   Comment by MikeFMart  –  2 years ago  –  Did you find this comment useful? yes | no (-6)
#18

Come on people this is not that hard. I have an anti virus ( Defender & IOBit Malware) I use IZARC for unzipping & extract ALL files. Then it has the license code in the text read me file & chose ANY username . I downloaded, installed & am running it in 1 minutes. Not sure why everyday a lot of people have so much trouble downloading & installing so try this method. Oh except for yesterdays HDDR software from the German country, but that too was easy as I have a translator for my web browser - done!

Reply   |   Comment by Bob  –  2 years ago  –  Did you find this comment useful? yes | no (-1)

Bob,

Judging by user names, everyday some newcomers join this site and they may not know that GOTD wrapper is being blocked by some antivirus programs, and, as a result, nothing installs despite the fact that a popup from GOTD indicates that the giveaway has been successfully activated, thus implying-installed.

In such cases other users , trying to be helpful, advise these new users that AVAST, AVG and some other antivirus programs be temporarily disabled during the installation of a giveaway, and then immediately re-enabled.

This issue is a real one, and these new users should not be faulted for that.

Reply   |   Comment by consuella  –  Last year  –  Did you find this comment useful? yes | no (0)
#17

Does this program convert SWF files to MP4? I have an SWF file dated 2005 that I can play in my default GOM Player, but I need to play it on my Panasonic smart TV, which does not know the SWF format, so SWF->MP4 conversion is necessary. I tried several online video conversion services, but all of them failed to perform this conversion (although one of them easily converted another - relatively new - SWF file to MP4). Any other advice?

Reply   |   Comment by WKKos  –  2 years ago  –  Did you find this comment useful? yes | no (-1)
#16

I got an error: The setup files are corrupted. Please obtain a new copy of the program.

Reply   |   Comment by Amanda Lancaster  –  2 years ago  –  Did you find this comment useful? yes | no (-1)

Amanda Lancaster, me too (using Win 10 Pro 64-bit with all latest upgrades and EagleGet Download Manager). This suggests that something went wrong with the downloaded 7thShareAnyMP4Converter328-fh47ql.zip file that I uncompressed with WinRAR.

Reply   |   Comment by WKKos  –  2 years ago  –  Did you find this comment useful? yes | no (-1)

WKKos, I downloaded it again and didn't change the filename this time and it worked fine.

Reply   |   Comment by Amanda Lancaster  –  2 years ago  –  Did you find this comment useful? yes | no (+1)
#15

Does this prog remove DRM during the conversion?

Reply   |   Comment by Chris Mayhew  –  2 years ago  –  Did you find this comment useful? yes | no (-2)
#14

Super-easy installation and registration -- they didn't even ask for my e-address. I know I can make good use of this program! Thanks so much, GAOTD and 7thShare Studio!

Reply   |   Comment by M. Aronson  –  2 years ago  –  Did you find this comment useful? yes | no (-5)
#13

I have a number of damaged MP4 and AVI video files that were recovered from a failed hard drive via Recuva. Each one is fairly large, however, I can not play them. Could I use this program to snip out playable clips from these damaged files? If not, does anyone know of an app that would enable me to reconstitute all or a portion of a damaged file and make it playable?

Reply   |   Comment by mbient  –  2 years ago  –  Did you find this comment useful? yes | no (-2)

mbient, Sorry, my mistake, there are not any damaged MP4 files, they are MPEG and AVI. Should I have any hope of ever watching these videos again?

Reply   |   Comment by mbient  –  2 years ago  –  Did you find this comment useful? yes | no (-2)
#12

When I am trying to convert a .ts file from my settop box its giving error for failed to load the file. What is happening ? But it is playing on the set top box .

Reply   |   Comment by Debjit Biswas  –  2 years ago  –  Did you find this comment useful? yes | no (-2)
#11

Come on people this is not that hard. I have an anti virus ( Defender & IOBit Malware) I use IZARC for unzipping & extract ALL files. Then it has the license code in the text read me file & chose ANY username . I downloaded, installed & am running it in 1 minutes. Not sure why everyday a lot of people have so much trouble downloading & installing so try this method. Oh except for yesterdays HDDR software from the German country, but that too was easy as I have a translator for my web browser - done!

Reply   |   Comment by Bob  –  2 years ago  –  Did you find this comment useful? yes | no (-10)
#10

I use the Freemake converter that so far is the only converter which can convert and include the subtitles in the resulting film. It is a little slow though. Is today's offer capable of doing the subtitle trick?

Reply   |   Comment by Fran Muy  –  2 years ago  –  Did you find this comment useful? yes | no (0)

Fran Muy, I have not tried it yet, about to download. You say you convert with Freemake and can keep subtitles? Can you share how you do that? I have NOT been able to do the same with Handbrake, my current converter of choice.

Reply   |   Comment by HerbA  –  2 years ago  –  Did you find this comment useful? yes | no (-1)

Fran Muy, it wants install unwanted Software and not all could deselected.

Reply   |   Comment by nibo1978  –  2 years ago  –  Did you find this comment useful? yes | no (+1)

nibo1978, This has not happened to me while installing Freemake. But anyway I would appreciate if the publishers or some other person would tell me if this program is able to embed the subtitles in the resulting video. Thanks

Reply   |   Comment by Fran Muy  –  2 years ago  –  Did you find this comment useful? yes | no (-1)

HerbA, you do not understand. Freemake (free) can add SRT separate subtitles.
an example
1
00:00:16,167 --> 00:00:18,158
Mr. Bond ?

2
00:00:19,887 --> 00:00:21,240
Wat is er ?

3
00:00:21,327 --> 00:00:24,160
Ik ben inspecteur Mathis van de veiligheidspolitie.

4
00:00:28,007 --> 00:00:30,646
Dit is mijn legitimatiebewijs.

Reply   |   Comment by Adrian  –  2 years ago  –  Did you find this comment useful? yes | no (0)

HerbA, Hi, Freemake has a very convenient procedure: First you add the movie that you want to convert. In that same window there is a smaller window that asks for the subtitle. 2. You have the subs because you downloaded it from Subscene or other similar site. ". You click on the smaller window and it leads you to the folder where you downloaded the subtitle. (I recommend you download it to an easily identifiable folder). You go then to the menu of convertible formats and that's it. You end up having a video with the subs embedded.

Reply   |   Comment by Fran Muy  –  2 years ago  –  Did you find this comment useful? yes | no (0)
#9

Long story short, 7thShare Any MP4 Converter is a ffmpeg--based video converter much like many others that have been on GOTD. They can differ in the encoder settings that are hard-wired, so the video from one may work better than another on a particular device you own. And because these apps are so frequently updated, bugs can creep into one version or another just because of human error. If you regularly use a video converter & have the time to try it, you might find 7thShare Any MP4 Converter works better than what you're using now, or maybe what you're using now has a bug or 3 that annoys you. And if you decide to keep using what you've been using, no harm done other than the time you spent -- unlike something like Nero or Format Factory, 7thShare Any MP4 Converter doesn't have much of an impact on Windows at all, so can easily be gotten rid of.

And in case it helps at all...

The video encoding format refers to the type of video compression used. Some formats like mjpeg or DV use complete frames, & so have larger files -- most OTOH use key frames, which are complete frames appearing every so often, with all the frames in between recording just what changes from one key frame to the next. Less data stored means smaller files, but more hassles editing or converting. Mpeg-2 is what's used on DVDs, & since it was developed in the 90s, requires much less processing -- H.264 [AVC] requires more processing to encode & view its smaller files. H.265 & WebM are newer, less common formats similar to AVC.

Today H.264 [AVC] is the most common, with more devices having hardware support to decode & play the Video. One gotcha is that there are encoding enhancements that can be turned on when the video's encoded, those generally require more processing to decode & play, and something like a cell phone or tablet might not be able to handle all of them at the device's maximum video frame size. The bit rate can be a 2nd gotcha... The bit rate is how much data has to be moved from the file to the player, processed & displayed -- the higher the bit rate the less video compression used, & the less quality loss from that video compression.

The bit rate can be too high, too much for Wi-Fi, or even a wired network connection if that network's traffic is congested. It's why higher quality &/or larger frame sizes might not stream well, or even be available, if your internet connection's bandwidth isn't sufficient. It's the Why behind Blu-ray, which has the highest bit rate video you probably can get your hands on. Many devices with ARM processors, like common Android cell phones, tablets, & media players, can only handle lower bit rate H.264 video, though many of the latest generation of media players are designed to handle 4k, so you will probably be able to use 1080p H.264 at Blu-ray bit rates.

Generally you'd use 7thShare Any MP4 Converter to convert higher bit rate video to a lower bit rate H.264/AVC for smaller file sizes &/or to meet the requirements for the device(s) where you want to play that video. Reducing the frame size &/or the fps [Frames Per Second] reduces the amount of data stored, & so also reduces the bit rate, same as adding more video compression. The quoted "FLV, MKV, WMV, MOV, MTS" *file* formats, along with AVI are just containers that hold the video, & e.g. in the case of H.264/AVC, may hold the video's timing information. If a video already has the right file & frame sizes, it can be smarter to just use a player that handles whatever file format, e.g. VLC, rather than convert or re-encode that video -- you also *might* be able to take the video out of whatever container & put it into another. You cannot re-encode video without quality loss, period.

7thShare Any MP4 Converter uses ffmpeg, an open source set of video [& audio] encoding, conversion, & playback code libraries [ffmpeg[.]org & ffmpeg[.]zeranoe[.]com/builds/]. Ffmpeg can be run from the command line, or included in an app like 7thShare Any MP4 Converter so you don't have to -- the biggest downside is that running ffmpeg from the command line you can use more settings or switches. Ffmpeg includes the open source X264 H.264/AVC encoder, which can itself be run from the command line or using an app that provides a GUI -- you can get X264 from videolan[.]org. You can tell 7thShare Any MP4 Converter uses ffmpeg by the presence of file names like avcodec-54.dll, which is part of ffmpeg.

The possible hardware acceleration encoding with X264 [on its own or included in ffmpeg] is minimal -- the way the software works there's just very little that can be offloaded to a GPU. Enabling hardware acceleration in 7thShare Any MP4 Converter [or pretty much any similar converter] may help or hurt encoding times. To really use hardware acceleration encoding H.264/AVC you'll need to use another encoder. There are apps that focus on that hardware assist, e.g. A's Video Converter [a long time staple of AMD GPU users], but the quality is less than you'll get with all software encoding e.g. with X264. If you're viewing the video on a small screen however, that may not matter. At least some versions of Vegas [sold by Sony to Magix] includes a Sony AVC encoder that **may** work with hardware acceleration -- it's generally worth it only for 1080p with a bit rate between 12 & 20, but it is high quality. Nero Ultimate can do the same, but encoding is harder to set up & manage, it might be slightly slower, and like Vegas, it's best with 1080p higher bit rate & your mileage will vary -- encoding for something like a cell or tablet you're better off using Nero Recode vs. their video editor.

One Very Big advantage of 7thShare Any MP4 Converter [& many similar, usually out of China] is that it's self contained -- many apps like Format Factory are anything but. Windows' media handling is a can of worms because media handling components can be shared -- those individual components can lie to Windows about their capabilities &/or perform very poorly &/or conflict with other software, and any software that uses those shared components, including Windows itself, can suffer or break because of them. Please be Very cautious about installing Any video [or audio] software that sends its roots deep, sharing components with Windows & other software. It can be Very hard to fix when/if something breaks, & sometimes as with Roxio software, impossible to completely undo short of restoring a backup or reinstalling Windows fresh.

Another advantage is that 7thShare Any MP4 Converter uses ffmpeg, & ffmpeg understands the timing of a H.264/AVC file you want to convert or re-encode. LOTS of other video software [without ffmpeg] may not. The same can be said of some audio formats, particularly multi-channel, & worse if the audio's HD. If the software you're trying to use doesn't understand the audio, the original file may not open in the app to convert it -- you have to use extra steps to remove the audio 1st. If that software doesn't understand the video's timing, it can drop frames making audio sync near impossible -- you can often tell by comparing the duration of the original & the converted file.

Reply   |   Comment by mike  –  2 years ago  –  Did you find this comment useful? yes | no (+32)

mike, thanks over and again for your deep insights.
Always inspiring - and overwhelming.
How do you do this? are you just - old enough :-)

Reply   |   Comment by Karl Kuhla  –  2 years ago  –  Did you find this comment useful? yes | no (+7)

Mike, thanks for that rundown, I've just rebuilt my PC and thrown away about a dozen video conversion programs which I've gathered over the last decade. On your recommendation I've installed this one, hopefully it will work well for me. Good that someone understands all this, you're obviously a 14 year old LOL

Reply   |   Comment by Graham  –  2 years ago  –  Did you find this comment useful? yes | no (+2)

mike, Thanks one more time !!!!!!

Reply   |   Comment by soft user  –  2 years ago  –  Did you find this comment useful? yes | no (+2)

Graham, Well it seem that from your comment u are the 14 year old. keep in mind that we are used as beta testers for software offered here. and the fact is every comment i post is true. the purpose of which is to help others avoid damaging their PCs and reporting problems with downloads or installs of same, hopefully this will helping the creator of the offer software improve their products as well as notify this web site of such problems. QUESTION ! What is your purpose !

Reply   |   Comment by mike  –  2 years ago  –  Did you find this comment useful? yes | no (+2)
#8

Has anyone figured out to trim video? It says it could but I do not ser it.

Reply   |   Comment by Joe18324  –  2 years ago  –  Did you find this comment useful? yes | no (-3)

Joe18324, Trim
You can use the Clip-function.
Just make a clip of what you want and convert that.

Reply   |   Comment by Ootje  –  2 years ago  –  Did you find this comment useful? yes | no (+6)
#7

Format Factory was recommended by JEB.

It passes Virus total. However, it is a malware trap. My AVG caught it during install. Fortunately, I always install with Revo and it removed all the entries.
I am scanning my system now...

DO NOT INSTALL FORMAT FACTORY

Reply   |   Comment by Frank  –  2 years ago  –  Did you find this comment useful? yes | no (-15)

Frank , I've had Format Factory for years. I've had a number of different anti-virus programs also along with different laptops. NEVER have I had a problem with Format Factory. NEVER have I gotten a warning from either AVG, Avast, 360 Total Security, and Malwarebytes about Format Factory. I still use it and NO WARNINGS from my current anti-virus software.

Reply   |   Comment by Bugs  –  2 years ago  –  Did you find this comment useful? yes | no (+14)

Frank , I did it anyway, and I not get any crap installed and have search with severel* scanning program without any crap found of them. So wich crap do you get by AVG then?

Reply   |   Comment by ComputerMan  –  2 years ago  –  Did you find this comment useful? yes | no (+3)

Bugs, since fear years the installer is full with malware.

Here are was it wants to install during the installation: ByteFence Anti-Malware, some from s3.amazonaws.com, Search powered by Yahoo, Chromium.

Reply   |   Comment by nibo1978  –  2 years ago  –  Did you find this comment useful? yes | no (+3)

My sense of the install PUP problem was similar to nibo1978
When ANY program takes liberties with my system, I want out !

Taking chances with odd install behavior is a prescription for getting hacked.
We all like to believe no holes have been punched in our firewalls. However, the truth is we simply have NO idea what every program is sending out to the web.

Reply   |   Comment by Frank  –  2 years ago  –  Did you find this comment useful? yes | no (+3)

Frank , Been using format factory for years, never had a problem. Never had a virus scanner tag it. Been using Avast for years. Never had any luck with AVG.I also use Malwarebytes pro in background . Format Factory is loaded down with features one would expect to pay for. Sounds as though you have other issues.

Reply   |   Comment by Lrp7702lrp  –  2 years ago  –  Did you find this comment useful? yes | no (0)

Frank , Try private firewall it will tell you about attempts to access the internet from your computer

Reply   |   Comment by ilikefree  –  2 years ago  –  Did you find this comment useful? yes | no (+1)
#6

Does this do anything that Vegas Pro 14 doesn't do?

Reply   |   Comment by Tir  –  2 years ago  –  Did you find this comment useful? yes | no (-18)

Tir,

"Does this do anything that Vegas Pro 14 doesn't do?"

I stopped at v.12 because the encoder was slower for me in v.13, & 14 was/is no longer Sony, plus the traditional upgrade pricing for the 1st month never happened. That said, & based on v.12 of Vegas Pro, Vegas Pro has 3 things going for it re: conversions. It does official Dolby licensed AC3 [stereo & 5.1 only], it has a great mpg2 encoder for DVDs, & the Sony AVC encoder for Blu--ray can be fast & high quality, albeit limited to a bit rate ~20.

Compared to today's GOTD, 7thShare Any MP4 Converter, with Vegas Pro imported AVC often needs to be in a .m2ts file, audio in a .wav or .w64 file, & unless you're encoding 1080p AVC for Blu-ray, the encoders offer no advantage.

IOW if you've got Vegas Pro already, you can make it work, though doing so might involve extra work, e.g. putting AVC into .m2ts without audio, then muxing the audio you convert elsewhere with the result. And unless you're outputting Blu--ray, it'd probably be faster & easier to download, install, & use 7thShare Any MP4 Converter. If you don't have Vegas Pro already, a free GOTD vs. spending hundreds of dollars is a no-brainer.

Reply   |   Comment by mike  –  2 years ago  –  Did you find this comment useful? yes | no (+6)

mike,

Thanks for the reply and details. I do have Vegas Pro 14 already, but have only recently started using it. I always like to keep an eye on freebies like this, which may make things easier in certain areas, especially since it's only 32MB.

It sounds like it may be worth the download, even with VP 14.

Thanks again mike.

Reply   |   Comment by Tir  –  2 years ago  –  Did you find this comment useful? yes | no (+4)
#5

Why to MP4? I can play almost any format on my PC and my TV usb input is also very tolerant of format. So why spend time converting when you could be watching?

Reply   |   Comment by John  –  2 years ago  –  Did you find this comment useful? yes | no (-7)
#4

Format Factory is 100% FREE and the best there is! It even combines videos and has other feathers.

Reply   |   Comment by JEB  –  2 years ago  –  Did you find this comment useful? yes | no (+13)

JEB, yeah, it's free, and its installer is full of crapware.

Reply   |   Comment by ew  –  2 years ago  –  Did you find this comment useful? yes | no (+15)

JEB, I try to download it, but it say it can´t connect to the server, so whare can I found a working downloadlink to Format Factory?

I even tryed the day program and it works, but why can I just chice 30 fps when my file are in 50 and the sound are 448 kps, but I can just have 192 kps, I think it are to much downscale of the qulity on both picture and sound. ?

Reply   |   Comment by ComputerMan  –  2 years ago  –  Did you find this comment useful? yes | no (-2)
#3

The problem I have with this program is if I want to convert a 1920 x 1080 video to MP4 it will only allow me to convert the video to 1280 x 720.

Reply   |   Comment by Brian  –  2 years ago  –  Did you find this comment useful? yes | no (+26)

Brian,
Did you look fir a profile in the section HD?
http://links.giveawayoftheday.com/s/dl.dropboxusercontent.com/u%2F10366431%2F_GOTD%2F7thShareAnyMP4Converter328_20170124%2FGeladenVideo.png
And here is a result.
MP4 [1920*1050/26,9Mb]:
https://ootjegotd.stackstorage.com/s/ItizlAfR3ENaE4u

Reply   |   Comment by Ootje  –  2 years ago  –  Did you find this comment useful? yes | no (+5)
#2

Any MP4 now also includes 4K. Why it doesn't support it?

Reply   |   Comment by Boris Fine  –  2 years ago  –  Did you find this comment useful? yes | no (+1)

Boris Fine, not true. There is HD H.265 (HEVC) (new) video-codec and the older HD H.264 video-codec for MP4.

Reply   |   Comment by Adrian  –  2 years ago  –  Did you find this comment useful? yes | no (-9)

Adrian, I have this from Oct 2016. It is the same version number as above (3.2.8). Mine does NOT support H.265 HEVC. Have you installed this giveaway?

Reply   |   Comment by Jimsung  –  2 years ago  –  Did you find this comment useful? yes | no (+8)

OK, I just uninstalled the Oct 16 files and reinstalled today's. It does NOT include H.265 HEVC or 4K support that I can see.

Reply   |   Comment by Jimsung  –  2 years ago  –  Did you find this comment useful? yes | no (+8)

Jimsung, .....NOT include H.265 HEVC.....richt. I got that last time instal and then removed. Not good enough for me.

Reply   |   Comment by Adrian  –  2 years ago  –  Did you find this comment useful? yes | no (-2)
#1

The usual question: can this do frame accurate cutting/trimming? For those unsure about the importance of this, if the input video is already one flavour of mp4, then GOPs can be very long, meaning that if the editor/converter can't do frame accurate (ie within GOP) cutting/editing, then the output will either by messy around the cut region, or only within up to say 10s accuracy if it cuts on key frames (no mess, but the cut has to be where the key frame is). I've had a look at their website and there's no mention of frame accurate cutting, so I suspect it can't do frame accurate - in which case it doesn't really offer anything that all those free converters not to mention ffmpeg can already do.

Reply   |   Comment by Jon Smith  –  2 years ago  –  Did you find this comment useful? yes | no (+31)

Jon Smith,

7thShare Any MP4 Converter should do what most people ask of it just fine.

"... can this do frame accurate cutting/trimming? ... if the input video is already one flavour of mp4, then GOPs can be very long, meaning that if the editor/converter can't do frame accurate (ie within GOP) cutting/editing, then the output will either by messy around the cut region, or only within up to say 10s accuracy if it cuts on key frames (no mess, but the cut has to be where the key frame is)."

A GOP = Group Of Pictures. It was important in DVD mpg2, where the more primitive electronics in DVD players couldn't handle GOPs longer than 15 as well on a DVD. A DVD player also jumps to a *I* frame [a complete frame like a key frame] when you select a chapter for playback. If you're doing cut editing of mpg2 in a specialized video app, making cuts at I frames might let you output the edited video without any re-encoding -- otherwise the app might [if it was capable of doing so] generate & encode those frames after the last I frame. How well it could generate those frames varies depending on the quality of the app.

Using a regular video editing app, unless you're trying to avoid any re-encoding, like the above example, the original video's GOP is irrelevant. If a player can decode & display every frame, then so can the editor, though the display part is usually optional. Being able to do frame accurate cuts etc. is a function of the editing software's GUI & related coding more than anything else -- it's often unnecessary &/or unused, since the end result often won't really vary if the cut's a few frames forward or back. A video editor's main concern is speed, since they're often paid by the job rather than by the hour, so they'll usually play &/or scrub a video clip, stop where they want to add the next clip, cut or drag the end of the clip to that point, drag the next clip into place, optionally add a transition [maybe just to the audio], & play/scrub that next segment, rinse - repeat.

That all said, the old GIGO still applies -- Garbage video In means Garbage video Out. It was discovered in the days of dialup that creating non-standard video with only one or two complete frames in the entire video could make that video file a bit smaller. If some folks are still using that technique, IMHO GIGO would apply, & you're generally better off to not do anything with it but play it -- if you have to change the container, then do that, but otherwise it's not, again IMHO, worth bothering with.

Reply   |   Comment by mike  –  2 years ago  –  Did you find this comment useful? yes | no (+6)

Thanks Mike. My understanding is that all the well known compressed video formats (mpg2, mp4, whatever) use the GOP concept, ie one full, key frame and then several partial frames that only record changes, then sooner or later another key frame, marking the start of the next GOP. As you say, in DVD (mpg2) video there was a maximun GOP size of 12 or 15 (depending on the standard) frames per GOP.

If you just cut and copy in the middle of a GOP the frames in the middle are partial frames: they don't have the full picture. So if you do ffmpeg copy (or any equivalent) you have some frames, up until the next full frame, that are incomplete - and so GIGO out applies. So better to cut on a key frame.

Since mpg2/DVD video has a max GP of 12/15 frames, given a standard frame rates, the max 'displacement' caused by cutting on a key frame is about 1/2 a second - probably not the end of the world. But GOPs in mp4, which is ipso facto more compressed, can run to hundreds of frames, and the displacment can be several seconds - not so good.

Frame accurate editors solve this by re-encoding the GOP where the cut is made, getting the data from the preceding key and other frames to reassemble the full picture at the frame of cut onwards. If the operation is just a cut(edit) this then allows very fast editing: only the video in the GOP gets re-encoded, the rest just gets done as a fast stream copy.

So my question still stands really: if you make a mid GOP cut in 7SAMC, does it (a) do gigo until the next key frame or (b) only allow cutting at key frames (so no GIGO, but maybe an unacceptable discepancy netween where you want to cut and where you can cut or (c) does it use some form of smart encoding to reassemble the partial frames in the mid GOP region?

Since frame accurate editing is seen as such an asset, software that does it usually makes a big noise about having it, but 7SAMC makes no such noise. Furthermore, if it is ffmpeg based, the sad fact is that despite everything else it (ffmpeg) can do, one thing it can't do is frame accurate editing.

So I guess I've probably answered my own question...

Reply   |   Comment by Jon Smith  –  2 years ago  –  Did you find this comment useful? yes | no (+1)
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