The tag has no usage guidance.

learn more… | top users | synonyms

16
votes
4answers
34k views

What is the quickest, easiest way to compress an MP3 file?

I would like to compress an MP3 file, and I see a lot of references when searching Google, but it seems like by now someone must have found something easy and that is guaranteed to work. Compressing ...
0
votes
1answer
9 views

Transcode Multiple Video Files at a Time in VLC

I am using VLC to transcode video files, in the convert/save menu it lets you select multiple files, but when you click Convert, it just converts the first file in the list. Ideally I would be able to ...
0
votes
1answer
34 views

Bulk transcoding ISO/IMG to MP4/MKV

I need a tool/script to help me convert my collection of DVD's to MP4. I've started using Plex instead of playing each image-file directly and it's quite a pain in the butt to manually convert a ...
4
votes
2answers
2k views

Which FFmpeg command do I use to passthrough FLV to MP4?

I've a number of downloaded FLV files which I would like to convert to MP4. They are already in the correct format so I am told all I need to do is to remux the video and audio streams into an MP4 ...
6
votes
4answers
17k views

Converting AVI encoded file with an IMM5 codec

As part of a legal matter, I received a copy of a security video encoded using what appears to be an 'IMM5' codec, apparently often used by police. I also received a copy of 'BackupPlayer', which can ...
0
votes
0answers
35 views

FFMPEG stop working with no error

I am using FFMPEG to create a video using pictures as input. I never had a problem with it, but now for some jobs I can't get correct outputs, some of them are broken. Using FFPROBE to check the ...
0
votes
0answers
10 views

handbreak does not extract subtitles

i have a personal DVD i am trying to backup to a medium that will not go the way of the 5" floppy... when i "rip" it via handbreak, i select subtitles, then i click "add all" and the subtitle does ...
8
votes
8answers
33k views

Painlessly convert FLAC to ALAC on Windows?

I'm wondering if anyone has a clean, painless workflow for losslessly transcoding FLAC files to their equivalent ALAC? It's supposed to be a bit-perfect conversion, meaning it shouldn't be very hard, ...
0
votes
0answers
76 views

FFAStrans walkthrough to transcode webm to gif

I would like to use the watch folder features to detect when a webm file is downloaded, and convert it to gif. I'm a bit lost with the UI though. Thanks for reading and help mucho grande appreciated.
0
votes
1answer
75 views

How do I transcode/compress mp4 source files on the Linux command line?

I have some rather large mp4s produced by my phone. They aren't very long, so they're probably not very compressed. What's an example of using a command line Linux tool to transcode one of these to ...
1
vote
3answers
938 views

Seek Issues in WebM (VP8 IVF/OGG) File

I have a file downloaded from the web this is the media below. General Format : WebM Format version : Version 2 File size ...
0
votes
1answer
79 views

How to batch convert to mp4 with arista-transcoder?

I dont understand how to list valid preset names and select the Computer - H.264 preset available in the arista-gtk listing. When I batch convert like arista-transcode -p "Computer - H.264" *.wmv the ...
1
vote
1answer
200 views

ffmpeg equivalent for -movflags faststart for audio

I have several video and audio files on my server that I wish to stream. I have converted all video files to mp4 and audio files to aac. Now I am streaming both type of files but it seems audio ...
1
vote
1answer
422 views

Transcode RTMP Live stream to multiple clients

I regularly follow livestreams on the website picarto.tv. The website uses RTMP for streaming, and therefore requires flash to show the video source. Many (mobile/embedded) devices don't have flash ...
1
vote
0answers
75 views

Downsampling and streaming video over a LAN (WiFi)

I have a Linux file server at home, and I'd like to watch video stored on it on my desktop. A very simple solution comes very close: use any old HTTP server to serve up the files, and view them in ...
0
votes
2answers
167 views

Cut an FFmpeg video based on frames not a timecode

I want to cut a video with FFmpeg using something similar to the code below: ffmpeg -i movie.mp4 -ss 00:00:03 -t 00:00:08 -async 1 cut.mp4 However I want to specify -ss and -t in frames instead of ...
2
votes
0answers
101 views

Can a processor gpu still be used for video transcoding if the motherboard is disabled from using processor gpu?

I am planning to get the following motherboard and cpu. Asrock Rack e3c224d4i-14s Intel Xeon e3-1276v3 However, after reading the spec sheet on Asrock Rack/Intel Ark, the above mentioned motherboard ...
0
votes
0answers
305 views

FFmpeg - Transcode video and keep original EXIF metadata in the transcoded file?

I am trying to transcode a video from a .mov (recorded with the iPhone) and add the original metadata (EXIF) to transcoded file, how can I achieve that? The original video contains EXIF metadata, etc. ...
1
vote
1answer
959 views

Reuse transcoding outputs to generate multiple files with AvConv

I am trying to find information about how to transcode a file into multiple outputs in one shot, but I don't seem to be able to. Most of the results I find describe the opposite: merging multiple ...
2
votes
1answer
415 views

Why does FFmpeg segment_times create webm files with incorrect duration and start times?

I have a MOV file that I want to split into several smaller files (at certain timestamps in a comma-separated list). I'm simultaneously compressing the video into WEBM files. The command I'm using ...
3
votes
3answers
1k views

How can I batch convert flac files to wav?

I'm using Windows XP, and I have several (about 160) flac files which I need to convert to wav. Since it is not practical to convert so many one by one, I need a utility that can convert them, but ...
0
votes
1answer
397 views

Transcoding Video to QuickTime Animation (RLE)

I need to transcode video created using the Camstudio Lossless Codec into the QuickTime RLE format in order to get it to work with some other software. What methods can I use to convert the video? I ...
2
votes
1answer
847 views

FFmpeg - Cut video into segments, transcode them individually, then concatenate & output to .ts

This is a follow-up question to audio error when concatenating clips using ffmpeg What I'd like to achieve is the following: Cut an input video into chunks Transcode each chunk (video and audio) ...
3
votes
2answers
1k views

How to extract a Vorbis stream from a WAVE file?

I would like to move the Vorbis stream into an ogg container but ffmpeg does not seem to recognize the stream. Even though MPlayer gives this output upon playback: Opening audio decoder: [acm] ...
1
vote
1answer
167 views

Converting problematic 9.99fps video to something standard (ffmpeg?)

I recently got some CCTV video released to me via a FOIA/PA request. I'd like to put up the full version on YouTube, as well as version edited w/ Final Cut Pro. However, Handbrake, Quicktime, Final ...
0
votes
0answers
7 views

How can I transcode “faster playback speed” videos? [duplicate]

I'd like to transcode a video to have faster playback speed, for use on mobile devices / chromecast. VLC has this capability, but it seems to only work during playback. For example, if I use the ...
0
votes
1answer
2k views

Crop video to custom resolution

I'm just looking for a simple application (preferably free but not necessarily) that allows me to crop a video to a custom resolution; obviously smaller than the original resolution. The application ...
1
vote
0answers
379 views

How can I reduce the choppiness of my ffmpeg conversions

Here are the options I'm sending ffmpeg: ffmpeg. -i input.flv -crf 18 -profile:v baseline -level 3.0 -pix_fmt yuv420p -preset veryslow output.mp4 Here's the input file: http://ct.recorder.s3....
1
vote
0answers
339 views

Why does VLC cut off the end of my video when transcoding?

I am trying to "bake in" a custom made subtitle file (Advanced SubStation Alpha) for a short (3:46) video. However, despite trying an assortment of commandline options, VLC seems to always cut off the ...
0
votes
1answer
483 views

VLC bash transcoding script destination directory

Well, I have such transcoding script: #!/bin/bash acodec="vorb" arate="256" ext="ogg" vlc="/usr/bin/vlc" fmt="mp3" for a in *$fmt; do $vlc -I dummy -vvv "$a" --sout "#transcode{acodec=$acodec,...
2
votes
1answer
3k views

Realtime transcoding to H264+AAC in Matroska container

Scenario I have a movie library which I'm looking to make streamable to my Android tablet using VLC for playback. I want to use H264+AAC for best possible visual quality over a mobile internet ...
0
votes
1answer
587 views

VLC bash transcoding script output to file

I'm running such script to transcode my audio files: #!/bin/bash acodec="vorb" arate="256" ext="ogg" vlc="/usr/bin/vlc" fmt="mp3" for a in *$fmt; do $vlc -I dummy -vvv "$a" --sout "#transcode{...
1
vote
0answers
1k views

FFMPEG - Stream discovered after head already parsed

I am trying to live transcode an RTMP stream to another RTMP HLS stream using the following command: ffmpeg -re -i rtmp://localhost/videochat/testing -c:v libx264 -c:a:0 libfaac -b:a:0 480k -f flv ...
0
votes
1answer
147 views

Use ffmpeg to transcode only wma lossless files and not wma files

I have a list of wma files with wma lossless files as well, and what i want to do is to use ffmpeg to transcode only those which are wma lossless and not the wma files. As we cannot distinguish these ...
2
votes
1answer
806 views

Codec choice for non CPU-intensive video transcoding

I am trying to achieve real-time transcoding of mkv / H264 videos on a low-end (slow CPU) platform. Using the following command line as a testing harness: avconv -i test.mkv -c:v mjpeg -q:v 3 -c:a ...
1
vote
3answers
3k views

MKV to MP4 transcoding script issues

Ok, this one has got me scratching my head - specially as I'm a scripting nOOb, and my *nix expeirence is basic to say the least. Summary Need to identify why the shell script for converting filers ...
18
votes
4answers
3k views

Concatenating ogg video files from the command line

Okay. I've got a few ogg files I've created using a desktop recording tool. I've transcoded them using ffmpeg once (mainly to clip out the beginnings and the ends). Now, I have 3 such files which I ...
2
votes
1answer
2k views

Transcode videos to webm with lossless compression

I am using GNU/Linux(Arch Linux), and i need to transcode some videos from .avi/.mov to .webm. I don't have the original file for most videos, only the "very compressed" .avi, and i can't loose any ...
1
vote
3answers
2k views

Convert video files for Maemo (Nokia N900) using ffmpeg/mencoder

I'm a newbie in video encoding so I'm looking for some expert advice. I'm looking to transcode media files with ffmpeg or mencoder (or something other) on Ubuntu for my Nokia N900 running Maemo. I'd ...
0
votes
2answers
644 views

Free batch conversion from FLAC to Apple Looseless (ALAC/m4a)?

I am looking for a free tool that would allow me to convert big amounts of FLAC files to Apple Looseless (ALAC) while preserving the tags and optionally adding new ones from CDDB or similar sources. ...
3
votes
2answers
2k views

Which video format requires least transcoding for versatile media streaming

I know this question is related a bit to this here, but I have a more specific aim. I want to stream videos (in 1080p quality with multiple sound channels) to different devices (iOS, Xbox 360, PS3, ...
0
votes
1answer
733 views

What CPU, RAM, Chipset requirements for real-time transcode two 1080p ts streams to common formats? [closed]

I aim to build a home media streaming server, and I have a lot of recordings from my satellite receiver in ts format (it's a Dreambox DM8000 HD PVR and it directly writes the transport stream to disc ...
1
vote
0answers
201 views

Transcoding from DVD to MP4 and intentionally skip frames in the middle

I have a DVD that I'd like to transcode from a DVD format to MP4 so I can play it on my iPad. Normally this is trivially easy as I could use Handbrake. But this has an interesting twist. Around ...
3
votes
2answers
1k views

What is mencoder's -speed option doing?

I need to change the playback speed of a video, but can't use mencoder to do it. Changing the speed that a video plays at seems like the sort've thing that any video encoding software should be able ...
0
votes
1answer
1k views

Is it possible to queue HandBrake transcodes across multiple DVD drives?

As I strive to be more efficient with my transcoding of all my personal DVDs, I was wondering if its possible to queue up a couple of DVDs at a time in separate DVD readers. I've not been able to find ...
3
votes
3answers
205 views

Any good open source software for media conversion?

I'm sick of people using annoying crapware for "free mp3 conversion" and the like. Does anyone know of any good quality software that is perhaps open source or free? Sort of like how video lan player ...
0
votes
1answer
113 views

Software to transfer video to dvd in real time - Windows 7 x64

I have a bunch of Digital 8 tapes that I want to transfer to DVD so I can get rid of this Digital 8 camcorder. Can someone recommend some software (free or commercial) to help do the job. I've done ...
1
vote
1answer
6k views

What media server can stream (transcode) video to my television yet retain surround sound?

As is often the case, in writing this question I found my answer. Posted below to aid others. New and different answers are more than welcome. My television is a Network Media Device (NMD) and thus ...
2
votes
1answer
421 views

How can I transcode a library of DVD Rips into a more compact/accessible format?

I have a hard drive that was filled with DVD copies of movies that I own, used in conjunction with My Movies to allow the children to easily watch the DVDs without having to mess around with and ...
1
vote
0answers
371 views

activate transcoding in vlc

I am trying to download a stream using vlc media plaer. I did google that up, but I could not exactly decide how activating transcoding helps. I am guessing it is better for the quality? But when I ...