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2
votes
1answer
71 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) ...
0
votes
1answer
35 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 ...
1
vote
0answers
93 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: ...
0
votes
0answers
76 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
0answers
66 views

Seeking in live transcoding video (via rtmp)

this is my setup: avconv transcodes a video on the fly and send it to nginx which is configured with rtmp support. I can watch the stream with vlc for example. But I can't fast forward or so. I see ...
0
votes
0answers
28 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
375 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 ...
1
vote
0answers
165 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 ...
0
votes
1answer
192 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 ...
0
votes
1answer
232 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 ...
1
vote
0answers
492 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
107 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
2k 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 ...
2
votes
1answer
305 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 ...
5
votes
2answers
9k 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 ...
1
vote
1answer
779 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 ...
0
votes
1answer
540 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 ...
2
votes
2answers
643 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 ...
1
vote
2answers
437 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 ...
3
votes
2answers
685 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] ...
2
votes
1answer
1k 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 ...
3
votes
2answers
1k 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
595 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
174 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 ...
15
votes
4answers
2k 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 ...
0
votes
1answer
789 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 ...
0
votes
1answer
109 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
5k 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
405 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 ...
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 ...
1
vote
0answers
219 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 ...
1
vote
1answer
2k views

How to watch cell phone videos on Linux (3gp, mov)

I'm probably missing something obvious, but I have huge trouble watching .3gp videos (taken with my Android phone) or .mov videos (my friends send me from their iOS devices) on Linux. I'm running ...
1
vote
0answers
469 views

CUDA enabled audio transcoding software?

I have 2000 files which iTunes somehow decided should be aac and transcoded for me without me realizing it. I want to transcode these back to MP3s as quickly as possible, so I can use them on Google ...
1
vote
3answers
2k 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 ...
0
votes
2answers
605 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. ...
0
votes
1answer
282 views

h264 Slideshow Maker

I've been using Windows Movie Maker to make slideshows with musical backdrops. The two problems are (A) the maximum output resolution is 640x480 and (B) it only exports in the WMV encoding. I would ...
1
vote
3answers
908 views

How to adjust and combine multiple lower quality photos into one better using FOSS?

I have multiple noisy photos (caputed without tripod) that needs to be adjusted (moved/rotated) and averaged. How it's better to do it in Linux with FOSS console-based programs? Current way is ...
1
vote
0answers
91 views

Transcoding with UVD?

Is there a way to use UVD for transcoding? E.g. for decoding video for recompression. I'm not looking for accelerating the actual encoding process, just the decoding. If it's not possible, than is it ...
3
votes
3answers
179 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 ...
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 ...
8
votes
7answers
30k 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, ...
13
votes
5answers
16k views

What is the quickest, easiest way to compress a 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 ...