The video-conversion tag covers software & formats related to converting videos from one format or container to the other.

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1answer
7k views

Use ffmpeg copy codec to combine *.ts files into a single mp4

I've got a bunch of ts segments described by a single index.m3u8 file: index.m3u8 segment1_0_av.ts segment2_0_av.ts segment3_0_av.ts segment4_0_av.ts segment5_0_av.ts I know they ...
-3
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1answer
19 views

Video files cannot be transfered to new computer [on hold]

I have large video files, type .avi, 9 million KB, to transfer from a Windows XP system to a Windows 8.1. The XP system can't even compress that size of file. What am I to do?
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0answers
40 views

how to combine two videos in one, odd frame video 1, even frame video 2…on Linux

I have two videos of same length but different content, I want video one to be on even frames and video two to be on odd frames on the same video. Frame sequence: video1 frame 1 video2 frame 2 ...
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2answers
7k views

MP4 video from Android phone can't be played in Windows

I took a video on my Samsung Galaxy S2 (Android), it's about 3GB and it can be played on the phone. But after transferring it to the PC is does not play when opened with VLC, QuickTime, Windows Media ...
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0answers
33 views

Microsot Visual C++ Runtime Library Error upon Converting a File through VLC

I always used HandBrake for video conversion (compression) which works great, but today I found an answer on quora which explains how to convert videos through vlc, when I converted through VLC, the ...
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3answers
3k views

M3U8 file to MP4 conversion?

Can an M3U8 video file be converted to MP4? I have had no luck finding a file converter that can do this since the M3U8 file is really an Audio playlist with many smaller files in a folder.
2
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1answer
175 views

How to emphasize certain words in subtitles using mencoder?

I'm using "mencoder" application to add subtitles to an AVI file. In the subtitles, there are certain words I want to emphasize by making them appear either in bold or in italics. I've tried ...
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1answer
2k views

Sound out of sync after merging multiple mp4 files with Avidemux

I am trying to join (merge) two or more .mp4 files together, without re-encoding. Here is what I did: Started Avidemux 2.5.5. With File->Open, selected Input1.mp4. I received this message - "H.264 ...
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1answer
29 views

How to generate thumbnail image from HandbrakeCLI command during conversion?

I have ffmpeg command line that creates thumbnail image from a video. This works nicely as I can choose the timestamp and the size of the image that I want. -r 1 -t 1 -ss 2 -s cga "%2/%32.jpg" This ...
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0answers
17 views

How do I convert pvr to mp4?

I have TV box called GTPL for Channel subscription. In that there is a facility to record the show. But it saves the video in "pvr" format that I can't play it in the computer or any other device? So ...
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0answers
12 views

Video Codec Problems

I have been having a problem with a file with the PRDY and undf video codecs. Is there any way to open them? thanks Brett 2010 iMac VLC version 2.2.1
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1answer
1k views

FFMPEG H264 split demux a stream video

I've got an H264 video (Stored in an 264 file). With ffplay i see that: [NULL @ 00000000003454a0] start time for stream 0 is not set in estimate_timings _from_pts [mpeg @ 0000000000344560] Could not ...
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1answer
840 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
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1answer
64 views

ffmpeg changes audio bitrate when transcoding from MKV to FLV

I have one file - sample.mkv ========================================================= File: sample.mkv Width: 854 pixels Height: 480 pixels Aspect ...
0
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1answer
43 views

Basic conversion of sequence of images to avi with avconv

I'm trying to convert sequnce of images to small avi. Each image should be shown 2 seconds. I'm using this basic command sudo avconv -r 0.5 -i test%05d.jpg out.avi I get the output, but it shows ...
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2answers
122 views

What is the CORRECT way to fix keyframes in FFMPEG for DASH?

When conditioning a stream for DASH playback, random access points must be at the exact same source stream time in all streams. The usual way to do this is to force a fixed frame rate and fixed GOP ...
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1answer
7k views

ffmpeg: Could not find codec parameters for stream 0 (Video: h264) unspecified size

I try to convert a video from .raw to .mp4. For this reason I did download, build and install both x264 and ffmpeg. However, command: ffmpeg -f h264 -i output.raw -vcodec copy output.mp4 fails with ...
5
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2answers
12k 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 ...
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2answers
67 views

Convert all files in directory using FFMPEG

I'm trying to write a script to convert all the files in a directory to m4v, whilst trying to keep similar (if not the same) quality and compress the file to reduce the overall size. I've pieced ...
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0answers
14 views

avconv - how to use two input files for transcoding to maximize quality

Let's say I have two video files encoded in lossy formats, for instance sample.mp4 (H.264) and sample.265 (H.265). Now I want to transcode to sample.webm (VP8). We all know transcoding degrades video ...
2
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1answer
8k views

How to convert MP4 to SWF

Can someone give me the command line parameters for FFmpeg to convert MP4 video to an Adobe Flash SWF file?
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0answers
47 views

FFMPEG: Windows binaries with globbing (libavformat) support?

I am struggling to get ffmpeg to combine a bunch of images in to a video which have a format with a full 17 digit timestamp. 17 digits is well beyond what -i %d will support. So I want to use ...
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2answers
40 views

Is there a way to generate left and right camera views from one camera video

I have only one video available from one camera. Is it possible to create left and right camera views from one camera video and could be viewed from oculus rift-VR. No need for audio
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0answers
44 views

Copy creation_date metadata when converting video with ffmpeg

I want to convert a bunch of old videos to H.264 to save space, but ffmpeg always drops the creation date, no matter what fancy -map_metadata variations I use. This is obviously a huge dealbreaker for ...
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0answers
22 views

When using Super Converter, I can't change my recording (.flv) to anything

When I try to convert my screen recordings to anything from .flv in Super Converter it gives me an error saying that it doesn’t have any video and that .mov or .wmv needs video. But when I use VLC to ...
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0answers
41 views

ffmpeg scaling input video converting it from mov to mp4 and watermarking in the center

I'd like to scale videos comming from my DSLR with ffmpeg to a resolution of 960x540, then convert the container from mov to mp4 and after all of these things I'd like to watermark that video by ...
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2answers
94 views

ffmpeg: how to convert mp4 to mp4?

The subject is correct ;-) My problem is this: I have a set of MP4 files; all of them play with vlc on my Ubuntu box. But when copy them to USB; and want to play them from my TV ... some work; others ...
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0answers
45 views

How can I extract a single GOP as images from a video?

I need to extract a complete GOP (group of pictures) from an MPEG-4 video and turn every frame in that GOP into a full BMP image. For example, I imagine something like this: ffmpeg -i Input.mp4 ...
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1answer
57 views

Cutting out two parts from the middle of a video with ffmpeg

I have two files, rec.avi and audio_edited.wav, and what I'm trying to do is take the parts 00:30:50–01:42:56 and 02:16:55–04:03:10 of each file, concatenate those and encode them into an WebM file. ...
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1answer
38 views

Folder full of .jpg files. Batch convert each to a video with duration of X seconds

I am looking for a way to mass convert a folder of image files to a video (one per image), where each of the images is taken and placed on the video for the full duration of the video, e.g. 30 ...
0
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1answer
95 views

Ffmpeg upscale and letterbox a video

I have a video with that is 480x360 in resolution, what I want to do is upscale this video to 1280:720 and not loos the original videos aspect ration ( letterbox the left and right side) So I know ...
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1answer
366 views

AVS Video Converter: Frame Size stuck at 848

I am trying to follow Youtube's recommended frame size for 480p which is 854x480 (more info here) Now using AVS Video Converter, when I try to change the width to 854, it keeps going back to 848. ...
0
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1answer
57 views

Create DVD from MP4 using FFMPEG?

I want to convert an MP4 video into a DVD using a Linux-based process such as FFMPEG. Currently we're using Nero to burn MP4 to DVD video, but I want to automate the process as much as possible. When ...
1
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1answer
41 views

How can I configure ffmpeg to encode h.264 video with a specific log2_max_frame_num_minus4 value?

I am working on a project where we are splicing HLS video segments. The HLS standard conveniently includes an #EXT-X-DISCONTINUITY directive to signal that the player should be ready for video that ...
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0answers
61 views

FFMPEG Lossless Video Output Options

I am looking for lossless video output options from FFMPEG that can be viewed without any special codecs or special players such as VLC. I want a basic use to be able to open up the video with a ...
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3answers
485 views

Conversion from WebM to MP4 in Ubuntu is slow and bad quality

I have used the command ffmpeg -i input.webm -q:v 10 -c:a copy out.mp4 I also tried using avconv instead of ffmpeg. The conversion is successful but the quality is bad. Also it takes a lot of ...
0
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1answer
47 views

How to sync splitted mkv + external srt with ffmpeg?

I want to convert MKV audio from DTS to MP3 and split the file at the same time. The problem is: I need an external .srt but when I split it, the second file is desynced from video. Example: ffmpeg ...
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3answers
5k views

Lossless extraction of streams from WebM

I would like to extract streams from WebM video files without converting them (re-compression), can somebody recommend any software that can allow this?
1
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1answer
97 views

Proper DVD rip for serving via UPnP

I am a happy user of minidlna (version 1.0.24) on an old Mac Mini G4. It does work quite well in my environment. Since minidlna does not allow transcoding, I would like to rip a set of DVDs (mostly ...
3
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7answers
3k views

How do I convert Quicktime to Windows Media Video?

How do I convert a Quicktime file to a Windows Media Video file on Windows 7? What is the cheapest method? What is the the best method, regardless of cost?
0
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1answer
9 views

How do I cut clips using its position from a video?

I have a lot of clip positions that I have to extract from a single video, how can I automate the whole process? As of now I have to manually cut each clip using its position, but as my number of ...
8
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3answers
516 views

How to convert .avi video that has 1 static image in the video (with sound) to mp4 video with ffmpeg to least possible size?

I've an .avi video (divx) that's at 25fps and it has mp3 audio at 64kbit/s. This video has just one image throughout the entire video. I'm trying to convert this video to mp4 but to make it as small ...
6
votes
2answers
11k views

Converting images to video using FFMPEG on Windows

I'm trying to convert a series of JPEG images into a time lapse video. They're in the format IMGP0001.JPG, IMGP0002.JPG, etc. From the looks of things, this should match the pattern IMGP%04.JPG. I've ...
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0answers
547 views

HDMI “Video Over IP” hardware

I am interested in using my wireless home network to live-stream video sources such as DVDs, my Raspberry Pi or anything else that is connected to my home receiver. I would like to then send this ...
0
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1answer
117 views

Video takes long time to start

I use this command to convert video using ffmpeg on phpvibe: unfortunately the videos take a long time to start on firefox so I'm looking for a command to move the video's atom to the beginning so ...
5
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3answers
10k views

How can I mix two movies together before I handbrake them?

How can I mix two movies together before I handbrake them? I've got a two part movie on my disk as a pair of VideoTS folders. I want to generate one output movie. I plan on using handbrake to do the ...
2
votes
1answer
487 views

clipbucket Unknown encoder 'libfaac'

I am using CB script when i upload any video after uploading it give file to processing this my loge Started on 2013-09-06 20:23:00 - 2013 Sep 06 Checking File .... File : ...
1
vote
1answer
131 views

batch file for hardcoding subtitles in multiple videos with ffmpeg

My question at the top: What is the correct way to refer to a dynamic file name for the ass filter when using -filter_complex in ffmpeg? The story and my attempt: I have a folder that contains ...
0
votes
1answer
57 views

Connecting PAL camera to pc and working with the feed

I have an ancient analog camera which has the classic PAL analog output. I want to get this feed, display it on the computer's monitor and save the stream on the pc hard drive. I know that if it was ...
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1answer
67 views

HandbrakeCLI convert audio only

My TV reads video files only with AAC or MP3 audio tracks. I am trying to use HandBrakeCLI.exe to convert audio tracks only preserving video quality, but it takes as mush time as converting the whole ...