0
votes
1answer
27 views

What H.264/H.265 video compression parameters provide DVD-equivalent quality with better compression?

I have got a box of DVD video disks that I seek to get rid of while I'd like to keep the videos by converting them into MP4 files to store them on a hard drive. Considering superiority of the modern ...
0
votes
0answers
32 views

Converting avi to mp4 with h.264 codec [closed]

I had been trying to convert my avi file to h.264 codec to be able to use it in Latex. I tried every example i could find online , and most of the time the converted video is blank! However a ...
0
votes
0answers
24 views

Prevent ffmpg from concealing errors during conversion

I'm experimenting with using Audacity to create glitch videos (datamosh and databend are synonyms). So, I create an AVI, pull it into Audacity as raw data, manipulate the stream, and the save it back ...
0
votes
0answers
83 views

I get wrong aspect ratio for images and video converted using ffmpeg

I am trying to convert some old movie files to images (and later to reencode as h.264). The problem is that the resulting images are stretched vertically. Here is the ffmpeg command: ffmpeg -i ...
0
votes
1answer
75 views

FFMPEG Windows Generate 360p Video conversion failed

Input : "C:/server/ffmpeg/bin/ffmpeg.exe" -y -i C:\server\websites\ps\public_www/media/com_hwdmediashare/files/50/4f/37/4185216cb9bb234fd47ee43bf2122e4f.avi -strict experimental -acodec aac -ac 2 -ab ...
0
votes
0answers
80 views

Creating video from set of images on windows with java language

I am stuck making a video from set of images using ffmpeg on Windows. For a single image it is converting into mp4 but for a set of images it failed, I have converted single % to double % with double ...
0
votes
0answers
54 views

Merging audio and video files of different length using mp4box

I have to merge video and audio file together. Currently I am using this command mp4box -flat -add <video> -add <audio> <outputfile>.mp4 But the problem is, if the video is of say ...
2
votes
0answers
190 views

FFmpeg “ass” filter not working

I'm haveing a bit of a problem when trying to use FFmpeg. I've mostly been using it to extract clips from videos and such. However, I've been trying to get some subtitles embedded (hardsubs) into the ...
0
votes
0answers
184 views

FFmpeg: m2ts -> MKV/AVI/MP4 w/ tri-audio and subtitles

I have a 1080p m2ts file with three audio tracks and a subtitle track. I'd like to convert it to a 720p MKV, or really any format at all, while retaining all three audio tracks along with the subtitle ...
0
votes
0answers
69 views

How to concatenate MP4 files without losing embedded subtitle or audio tracks?

I have two MP4 files (mediainfo below), one is a short intro scene, and the other is the primary feature. Now, the primary video contains several audio tracks and embedded subtitles. I want to simply ...
0
votes
0answers
38 views

ffmpeg bitrate variating without reason

I got a mp4 video. I just want to split it in 4GB file parts using ffmpeg (to make it writeable on FAT32). C:\ffmpeg\ffmpeg.exe -i "%NAME%.mp4" -n -t %LENGTH% -codec copy "%NAME%_1.mp4" ...
0
votes
1answer
156 views

Can't convert FLV to MP4 for iPhone with ffmpeg

I'm having issues with converting an FLV to an MP4 that will play on iPhone/iPad via Video-js. It seems that the ffmpeg commands are not converting properly. Here's one of the original commands ...
0
votes
0answers
75 views

ffmpeg with a streaming input change channels order and indices on different execution

We're using ffmpeg to take a mpts stream by 3rd party and encode it to a webm file. Now Every time I've call the ffmpeg command I get different map of channels for it. For example: Input #0, mpegts, ...
1
vote
0answers
229 views

FFmpeg/avidemux: fix packed B-frames

I'm transcoding some of my old mpeg4 videos (in avi containers) to h.264 with FFmpeg. Basically ffmpeg -i input.avi -c:v libx264 [x264 settings] -c:a libfdk_aac [aac settings] output.mp4 When doing ...
0
votes
1answer
185 views

FFMPEG - Convert a video to a timelapse

I'm using ffmpeg in flash builder (Action script 3) to convert a video to a time lapse of the video. I've worked out how to use setpts to do this, but the resulting output file is the same length as ...
0
votes
1answer
292 views

Unrecognized option 'b:v' when trying to convert a video

I get "Unrecognized option b:v" when I tried to convert a video. I'm using FFmpeg version SVN-r26402. Here is my error log: Raw Conversion Log Started on 2014-06-29 00:02:02 - 2014 Jun 29 Checking ...
0
votes
1answer
101 views

FFmpeg encoding part of the video with subtitles

encode part of a file and at the same time add the subtitles for that part. I am using: ffmpeg -ss 00:02:00 -t 00:00:30 -i "path/to/input" -c:v libvpx -crf 5 -b:v 3M -c:a libvorbis -vf ...
0
votes
1answer
181 views

Missing reference frame, slice header decode error

I split this (http://www.auby.no/files/video_tests/h264_720p_mp_3.1_3mbps_aac_shrinkage.mp4) video using mp4box command "MP4Box -split 1 shrinking.mp4" into slices of 1 second each. I have following ...
0
votes
0answers
67 views

Ffmpeg : I-Frame detection oddity on a single channel input

Summary: When trying to abstract out I-Frames from various positions in videos with slight time offsets, identical results were produced between different offsets. Through experimentation a workaround ...
0
votes
0answers
479 views

FFmpeg unable to find a suitable output format when run from script

I'm trying to write bash script, which I can use to start encode of my video for web player, and also log to file when it started / finished. It looks like this: #!/bin/bash ...
0
votes
0answers
41 views

Change Audio title from English to Sinhalese using ffmpeg

I insert an extra Sound track in my video file and it works well. ffmpeg -i news.mov -i news.wav -map 0:0 -map 0:1 -map 1:0 -pass 1 -vcodec libx264 -preset fast -b 512k -minrate 512k -maxrate 512k ...
1
vote
1answer
223 views

using ffmpeg to convert mxf to yuv

I am trying to convert mxf file to yuv using ffmpeg. I gave the following command : ffmpeg.exe -i eldorado_really_cutdown.mxf output.yuv but I am getting some errors. This is the output I am getting ...
2
votes
1answer
683 views

Convert AVI into H.264 that works inside an HTML5 Video tag

I would like to convert an existing black and white AVI into an H.264 video that works inside an HTML5 video tag. I'm currently using this ffmpeg command: ffmpeg -i file.avi -y -c:v libx264 ...
0
votes
1answer
558 views

Rip CD/DVD with ffmpeg

Is this possible with ffmpeg? Do you have any links that explain how to do this? I have searched with Google but had not many results. I just want to be able to convert a CD or DVD to MP3 audio ...
1
vote
0answers
513 views

Split video into equal file size parts with ffmpeg

i am trying to split a video file into equal file size parts with ffmpeg. At first i get the file size of the original and divide it with the desired number of parts to get the file part's file size. ...
1
vote
0answers
474 views

stream byte arrays to a video using ffmpeg

This is what I am trying to do: I receive jpegs from an IP camera. If motion is detected I want to upload the jpeg still shot to my server. To save on bandwidth I save each jpeg to a file on my ...
0
votes
1answer
68 views

Cut WMV file into segments based on frame numbers and reencode to x264

I've done a bit of work with FFMPEG in my days and I am somewhat familiar with VirtualDub as well as high-end products such as Sony Vegas. However, I still can't figure out a simple and ...
0
votes
0answers
37 views

MP4 file not playable in XBOX360, though seems identical to M4V playable file

I have a bunch of files for my kids that are not playable with the Xbox 360. I have successfully converted some of them to play on my system, but I'd like to understand which is the difference. ...
0
votes
1answer
620 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 ...
1
vote
1answer
446 views

Video concatenating, with overlay

I have a video recorded from a gopro which is split into 3 parts as the maximum filesize is reached after about 17 minutes and the gopro automatically splits it into multiple parts. I also have a ...
0
votes
1answer
201 views

delayed video overlay using ffmpeg

I am wanting to overlay one video onto another but with a delayed appearance. I have: source1.mp4 which is of duration 20 sec. source2.mp4 which is of duration 5 sec. I want to create a final ...
0
votes
0answers
689 views

FFMPEG fade between images

I need to do cross fade transition between two images and followed this link which works perfect for two images. ffmpeg -loop 1 -i input0.png -loop 1 -i input1.png -filter_complex ...
2
votes
1answer
196 views

Cutting multi-bitrate MP4 files for Helix Server with FFmpeg

We are using Helix Server in order to distribute Video On Demand (with multi-bitrate) Content among our audience. This means that there is one MP4 file that contains multiple video streams and one ...
0
votes
1answer
362 views

ffmpeg concat output not playing in windows media player

I have a series of short (<3sec) mp4 videos (some with audio, some with no audio) that play fine in all clients. 15 fps, AAC audio. When I use ffmpeg concat, the resulting file plays fine in vlc, ...
0
votes
0answers
109 views

ffmpeg -sample_fmt error under Windows

I was tasked to convert a simple audio track on windows using the following command: ffmpeg -i mySound.mp3 -acodec libmp3lame -ar 48000 -ab 128k -ac 2 -sample_fmt s16 out.mp3 However it fails ...
0
votes
1answer
617 views

ffmpeg : creating video from image results in just 1 second video

I'm trying to create a short video file out of a single image for 5 seconds on a windows machine using ffmpeg. The video file is to be used to concat in front of video files taken with a camera that ...
1
vote
0answers
239 views

Why does FFmpeg append blank black video to the end of my MP4 files when compressed from MOV?

I have several large MOV files that I want to compress to MP4. Unfortunately, when I use FFmpeg, it appends lots of black (blank) video at the end. (The destination file is longer than the source ...
0
votes
1answer
166 views

Why can I play ogg file but not convert to mkv or mp4 with FFMPEG?

I want to convert a ogg video to mp4 or mkv, but different errors appear. I have two streams (from the same source) that I captured. They are in an ogg container. If I try to convert them to mkv ...
1
vote
1answer
175 views

How to convert any video to .avi with wmv1 codec using ffmpeg/avconv?

I have installed ffmpeg to convert a video. I am trying to convert a .mp4 to a .avi video with the codec wmv1. How to do this? I am using the command avconv in a Kubuntu terminal. Last attempt I did ...
3
votes
1answer
4k 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 ...
1
vote
1answer
451 views

Converting video for mobile phone

I usually download and watch videos from Deutsche Welle to work on my German. Lately, I have been commuting a lot and watching the videos on my mobile phone in the train would be nice. I have tried ...
0
votes
1answer
224 views

Video conversion stops while converting .avi movie to 3GP using ffmpeg

..\tools\ffmpeg -y -i FindingNemo(2003)WidescreenDVDripV3nDetta.avi -r 20 -s 352x288 -b 400k -acodec aac -strict experimental -ac 1 -ar 8000 -ab 24k FindingNemo(2003)WidescreenDVDripV3nDetta.3gp ...
3
votes
1answer
4k views

Converting video from 1080p to 720p with smallest qualiti loss using ffmpeg

I stack with my high quality movie: 1080p with 60fps. The trouble is lags while playing. I tried to convert it to 720p with ffmpeg: ffmpeg -i MyMovie.mkv -r 60 -s hd720 MyMovie_720p.mkv But I ...
1
vote
2answers
560 views

How can I check the integrity of an avi file and repair it automatically in Linux?

I have an avi file and tried to check it as suggested here. But after a short while I just got a segmentation fault, without any other information! How is it possible to fix/repair this avi file? ...
0
votes
0answers
415 views

FLV video conversion using ffmpeg fails with “Changing frame properties on the fly is not supported”

I am facing a problem while converting .flv videos using ffmpeg. The output file format also has an extension of .flv. This is my command: ffmpeg -i 8617854d-77e1-4538-b7ea-2853bcb06ee2.flv -s ...
0
votes
1answer
222 views

Decoding H.264 file to YUV with deblocking filter

When I'm decoding a H.264 file to YUV using ffmpeg, the deblocking filter flag is disabled. I ran the ffmpeg code in Linux using the command ./ffmpeg -f h264 -i input.h264 output.yuv Can anyone ...
1
vote
1answer
142 views

How to fix broken DV file using tools available for Ubuntu/Linux

I have a DV capture which for some reason is broken. By broken I mean that avconv/ffmpeg/avidemux won't open it, although totem and VLC will open it. I suppose there's something corrupt/wrong at the ...
0
votes
2answers
370 views

How to add subtitle and concat video file in a line with ffmpeg?

I have 3 videos : 1387432825.avi, 1387435884.avi, 1387436066.avi and 3 subtitles for videos: part1.ass, part2.ass, part3.ass I try to add subtitle to each videos with commands: ffmpeg -i ...
0
votes
0answers
223 views

How can I repair a damaged H.264 video stream from a security camera?

I have a security camera file in H.264 format. It cannot be converted due to error messages stating the file is damaged. Is there any way to repair this single 12 MB file so it can be converted to a ...
0
votes
1answer
190 views

ffmpeg cannot convert gray video to avi

I would transcode a GRAY or YUV400 video file into an AVI (YUV420P). My input file is 1920x1080 Y only, its size is 22809600 => 11 frame. I used the following command line but ffmpeg generate an AVI ...