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Questions tagged [m4v]

12 questions
77
votes
7 answers

How to open and repair an m4v or mp4 video file?

Yesterday I was filming a scene with my phone but suddenly the application crashed and when I try to open the m4v generated it says that is corrupted. I have downloaded the video files (around 36MB) on my PC and I am trying to open and repair it.…
Drake
  • 5,734
10
votes
7 answers

What is a good .mp3/.m4v tag editor for OS X

What is a good .mp3/.m4v tag editor for OS X that's not iTunes? I'd prefer free but I'm open to anything. I've looked at ID3 Editor but that only does .mp3 (from what I could see). I want to set my own values so no need for an auto-tagger.
Jason
  • 1,059
7
votes
1 answer

How to split an m4v file?

I downloaded a TV season on iTunes (.m4v files), however the files are clustered into 3 episodes each. I'd like to chop these up so that each episode is in it's own file. Googling around a while didn't provide any promising leads. What's the…
user16511
2
votes
2 answers

How can I make my video streaming faster?

I wonder how could I insert a high-quality video in my webpage providing fast downloading for my users. I have a video which is around 80 MB large. It's two minutes long. I have it in M4V, OGG and MP4 format. When I try to lower the size of it, it…
F G
  • 195
  • 1
  • 2
  • 5
2
votes
2 answers

embed srt into mp4/m4v

i have an converted .mp4 video file (or .m4v) + an .srt file. Is there a way for me to embed this .srt file into that mp4 file without running a complete convertion?
user84104
1
vote
3 answers

Which of these video formats will give me better quality

With the basic idea i have about video formats, i always thought FLV offers the lowest quality & hence smallest file size but this particular page made me confused. http://blip.tv/file/2932017 If you expand the "Files & Links" & "Metadata" blocks in…
debasish
  • 11
1
vote
1 answer

FFMPEG converting from m4v to mp4 does not stop processing

I'm using ffmpeg to convert various types of video files into mp4s. The command I use works for most video files I've encountered, however when it encounters an m4v it never stops processing the file. The longest I've let it run is 4 hours on a…
aamiri
  • 913
1
vote
1 answer

Hardcoded subtitles in .m4v file don't show up in YouTube

I hardcoded subtitles into an .m4v video file. When I upload that .m4v file to YouTube however, the subtitles don't appear. I thought since I hardcoded the subtitles into the file, they should appear. Why doesn't YouTube show hardcoded subtitles,…
LB7979
  • 121
0
votes
0 answers

FFMPEG doesn't convert from m4v files

I am trying to transcode an m4v file from iTunes so I can play it on Windows or XBox. I am running ffmpeg from Windows. Is there some -vcodec I need to specify or something I need to install? Here's the command I'm running and the error I'm…
MattD
0
votes
1 answer

Repackage m4v file

I have some m4v files I made with Handbrake where the AC3 audio channel was the first one, and the stereo was the second. This causes problems with some things (like Quicktime) so I want to repackage the file such that the stereo track is the first…
Daniel Huckstep
  • 1,020
0
votes
1 answer

Handbrake Crunches Out 4Kb File

I've been using Handbrake to convert some movies to something I can put on my iPad or Apple TV. By in large it's been working great but I've noticed some of the avi's I toss at it come out as only ~4KB, obviously unusable, m4v's. Is it possible to…
Ternary
  • 262
0
votes
1 answer

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 Fragmented File no - 2 track(s) File Brand…
Paul Dixon
  • 713