Linked Questions

0
votes
0answers
45 views

Convert Video Format to save space? [duplicate]

The MOV video files from my Canon S110 are huge files. A 20 second clip is 90MB. They are 1080HD videos. Is this simply the nature of HD video size, or is there another format I could convert them to ...
31
votes
1answer
19k views

What is the “sameq” or “same_quant” option in FFmpeg? Does it mean “same quality”?

Often, I've seen FFmpeg commands using the sameq option, for example ffmpeg -i input.mp4 -sameq output.avi What does this mean? Does it mean "same quality"? If not, what should I use instead?
20
votes
3answers
59k views

How can I re-encode H.264 video with minimal quality loss?

I have a lot of MPEG-TS files (.TS container but H.264 video) and playback is fine except that when you skip forward/backward or fast forward it's very sluggish and gets pixelated, etc. I've been ...
15
votes
3answers
45k views

Batch convert *.avi files using ffmpeg

I am trying to convert 20+ .avi files in a batch using ffmpeg. I've got the following @echo off. for file in *.avi do ffmpeg -i "$file" -s 640x480 -vcodec msmpeg4v2 "'basename "$file" .avi'....
6
votes
2answers
12k views

Convert old videos to have smaller sizes

I have some videos from a few years ago,with various formats, such as avi, mpg, wmv, rm, rmvb, .... Their sizes are huge(more than 500 MB, and sometimes > 1GB). Given there may likely be some advance ...
1
vote
2answers
11k views

How do I compress my video without compromising it too much

Alright, i'm down to crunch time. I have a video that I have rendered out for something I have to turn in. The submission requires that it be At Most: 200 MB and be one of the following formats: ....
6
votes
2answers
4k views

In which format to store home made videos

TL;DR: my home videos are taking up too much space and are impractical to backup on Dropbox. Which format do you advice to convert them to? Long version: One year ago I bought a new compact camera (...
4
votes
1answer
11k views

avconv giving error on audio stream

Trying to convert an mkv file to avi: avconv -i 1.mkv ./converted/1.avi Getting this output: avconv version 0.8.1-4:0.8.1-0ubuntu1, Copyright (c) 2000-2011 the Libav developers built on Mar 22 ...
2
votes
1answer
9k views

FFmpeg produces empty file

I have problems with ffmpeg on OSX Lion. I am trying to convert the mpeg file and the output is always a file of size 400kb or so.. The command is: ffmpeg -i out_poem_big.mpg -s 1280x720 -vpre ...
1
vote
1answer
6k views

How can I create small video files without losing any quality?

For a while there I found videos that are 42 minutes long, and are great quality. The resolution is 624x352 and when going full screen they still look pretty great. I recently came across an ...