Media tool with support for multiple codecs, filters, and containers. Include your actual command and the complete console output when asking questions involving FFmpeg tools. An easy way to do this is by adding `-report` to your command and pasting the contents of the logfile generated.

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5
votes
0answers
193 views

IE will not seek audio/webm file

I'm trying to create a WebM audio only that will playback and seek in all browsers using the HTML5 tag and mime type audio/webm. I've found workarounds to get this to work in all browsers, but they ...
5
votes
0answers
1k views

What does the FFmpeg warning “Missing picture in access unit with size x” mean?

I've recently updated to the most recent version of ffmpeg and now everytime I edit a flv, I always get endless warnings: [Null @ 002de180] Missing Missing picture in access unit with size xxxx ...
4
votes
0answers
3k views

FFMPEG encoding settings for 1080/60fps/h264 - framedrops

I want to use latest ffmpeg to encode set of JPG frames to 1920x1080 60fps h.264 movie. I'm looking for set of parameters that will allow smooth playback of encoded video on fairly strong PC machines ...
4
votes
0answers
502 views

Pipe issue with ffmpeg

I have been using the following ffmpeg command successfully to extract the first frame of an mp4 file: ./ffmpeg -i video.mp4 -vframes 1 -y frame.bmp However, when I try to use the below pipe ...
4
votes
0answers
299 views

Combine/concatenate multiple MP4 files, making each file into a chapter

I am looking to use handbrake to combine 43 short mp4 files into one larger file. However, I want to ensure that the start of each file is recognized as a chapter. I'd be using vlc to play the file.
4
votes
0answers
2k views

ffmpeg minimal requirements configuration for encoding and decoding h264 files

I'm trying to compile ffmpeg with minimal requirements in order to encode/decode with h264. So far my command line configuration is : ./configure --disable-yasm --disable-everything ...
4
votes
0answers
304 views

Why is the resulting file unplayable when I use FFMPEG to convert a MP4 video to ASF?

I want to convert an .mp4 file to an .asf file, but I need to keep the size of the file below 150 mb (the server I need to upload the file to can only take files under 150 mb). Basically I want to ...
4
votes
0answers
850 views

Multiple effect overlays with FFmpeg

This subject was discussed here before but my problem is a little different. I have a transparent tiff sequence with sequential numbers that I wish to overlay on top of another tiff sequence in order ...
4
votes
0answers
872 views

ffmpeg to resize and concatenate multiple videos

I need to perform 3 operations on a source video (in sequence) 1 resize the source video from 320X 240 to 640X480 (200%) 2 add another video file before 3 add a 3rd video after In addition I ...
3
votes
0answers
89 views

Youtube-DL: How to strip video information/description when converting audiofile to MP3?

This might be picky, but when I use Youtube-DL to convert audio from a video to MP3, I let it also tag the title and embed the thumbnail from the video. Somehow it adds the video description and some ...
3
votes
0answers
51 views

FFMPEG / x264: Single pass: how do you raise start time bitrates?

When using single-pass mode with a VBV size specified, libx264 will initially "sandbag" the bitrate, presumably due to lack of evidence (or perhaps even a bug). (This is an ironic followup to this ...
3
votes
0answers
1k views

Cutting videos at exact frames with ffmpeg select filter

Instead of using -ss and -to seeking parameters, which are seems not very accurate, can I cut videos for given frame numbers? For example; ffmpeg -i video.webm -startingframe 80 -endingframe 560 ...
3
votes
0answers
514 views

Packets are not in the proper order with respect to DTS when using libx264 for video

I'm trying to use the following command to transcode one stream to a different format and send it over to RTMP server for live streaming. This is the command I am using: ffmpeg -f mxg -i ...
3
votes
0answers
3k views

Live video transcoding with reduced quality

I need to transcode input rtsp stream into HLS output of the certain quality. The input stream might be of 3 different qualities 2000kbs 30fps 1920x1080 500kbs 30fps 1280x720 192kbs 30fps 320x240 ...
3
votes
0answers
135 views

FFMPEG Stream Definition - changing number of files

I have a BD Rip in an MKV which I am trying to remux with ffmpeg into a MOV container. So far am having some good success, but I am trying to enhance the process a little by including a 2 channel AAC ...
3
votes
0answers
2k views

Fixing ffmpeg latency accrued over time

I have ffmpeg/ffserver running in the following setup: 10.1.2.2 captures from video capture cards (16 channels) and streams them to an ffserver as mpeg1video 10.1.1.1/10.1.2.1 (two NICs) hosts the ...
3
votes
0answers
773 views

Use FFMPEG for Video to Frames, then Frames to Video with Original Sound

Is there a way to use FFMPEG to decompose a video into individual image files, and then reassemble those image files into a video with the audio from the original video in sync with the new video ...
3
votes
0answers
247 views

FFmpeg & iPhone: don't display audio language button

I'm creating an MP4 file with FFmpeg 1.1.1, using life and aevalsrc to generate some test video and audio: ffmpeg -f lavfi -i life -f lavfi -i aevalsrc=0 -frames:v 750 life.mp4 If I play it on an ...
3
votes
0answers
472 views

Ffmpeg sync error, first image showing really fast

I want to converting my images with mp3 to videos... but first slide is showing up really fast. I want to each slide duration 5-7 seconds or so RAW material MP3 Files My list Images FFmpeg ...
3
votes
0answers
1k views

Playing and recording a live stream from another computer webcam using VLC/FFmpeg

I was trying lately to set a video server on one machine and play it in a differen machine, it works with me.. but the problem is that it always stuck and become jammed in the middle .. and it is very ...
3
votes
0answers
2k views

Avconv increases file size

I am using the version of avconv in Ubuntu 12.04 to archive videos. I would preferably use some kind of lossless video compression (e.g., huffyuv or FFV1), but using the original video stream (copy ...
3
votes
0answers
3k views

Stream video with FFMPEG, “Output file does not contain any stream”

I would like to stream an H.264 encoded elementary stream wrapped in RTP headers to a port using FFMPEG. I have tried the following command lines to no avail... ffmpeg -i 1080p_1.h264 -f rtp -vcodec ...
3
votes
0answers
5k views

How to convert a mpeg4-aac video to mpeg-ts using MEncoder?

I know this can be done using FFMpeg and I have done it. The only problem here was that FFMpeg actually tries to "encode" the file while converting to mpeg-ts which I don't want. i.e. I just want to ...
3
votes
0answers
701 views

Is there a way to make FFmpeg seek faster to an end of file on a network share?

I'm using ffmpeg to generate image previews from flv videos. The OS is Debian 5 and it's the apt version of ffmpeg. The flv files are located on a NAS share that is mounted as NFS. Getting the ...
2
votes
0answers
276 views

How can I overlay the captured timestamp onto a video using ffmpeg in YYYY-MM-DD HH:MM:SS format?

I am trying to overlay a timestamp (date and time when frame captured) on video frames for a stored video file using ffmpeg. This succeeds in displaying time in seconds since the beginning of the ...
2
votes
0answers
115 views

ffmpeg's Dolby Pro Logic feature is leaking center channel into surround channel

This is kind of long because I wanted to cover everything we’ve tried, which are many, many things, so no one will waste time with a response covering something we already tried. I am the technical ...
2
votes
0answers
43 views

Setting up a watchfolder

I want to make a folder that I can put any video file into and have ffmpeg catch it and spit it out as an mp4 and remove the non-mp4 file. I have the following: for f in *.*; do ffmpeg -i input ...
2
votes
0answers
95 views

How to frame accurately cut a video with ffmpeg?

I have a video. Here is it's ffprobe output: > ffprobe 7347-00009\ kliksa.mp4 ffprobe version 2.6.1 Copyright (c) 2007-2015 the FFmpeg developers built with Apple LLVM version 6.1.0 ...
2
votes
0answers
336 views

Capturing TS video stream gives Invalid timestamps and Invalid DTS error messages

I'm capturing a video stream using ffmpeg -i "http://streaming_url.com/playlist.m3u8" -acodec copy -vcodec copy -absf aac_adtstoasc "out_put_file.mp4". The m3u8-file links a list of .ts-files. ffmpeg ...
2
votes
0answers
39 views

Error when adding silent channels to ProRes file in FFMpeg

I'm trying to follow this guide to build a usable 5.1 audio for a piece of hardware with specific needs. When I run the command: ffmpeg -ar 48000 -acodec pcm_s24le -f s24le -ac 5 -i /dev/zero -i ...
2
votes
0answers
136 views

Crop video with FFMPEG based on data from tracking algorithm

I have tracked a moving object in a video file using OpenTLD. This generated a file with the coordinates of the object's bounding box for each frame. Now I would like to use ffmpeg to crop the video ...
2
votes
0answers
170 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 ...
2
votes
0answers
131 views

ffmpeg issue creating video on Linux

I have the following ffmepg command that works perfectly on my local server running windows but when I try on my Linux server I get the following issue: The video.mp4 is getting created but it stops ...
2
votes
0answers
279 views

ffmpeg does not work but VLC does

I am trying to read a streaming (http://150.161.93.174:8080/stream) using ffmpeg The streaming works perfectly when I try it in VLC. But in ffmpeg I get an error: http://150.161.93.174:8080/stream: ...
2
votes
0answers
239 views

crosstool-NG can't retrieve cloog-ppl

I am trying to build a cross-compiler for my Raspberry Pi to ultimately compile ffmpeg for it and I am following this tutorial. After having configured ct-ng and upon calling nt-cg build it fails and ...
2
votes
0answers
145 views

FFmpeg cuts off ~50ms when I extract+convert audio from video

I want to extract the audio stream from many .MOV files with ffmpeg. The goal is to have output files with small file size and perfectly equal sound to the input file. Currently I'm using this ...
2
votes
0answers
571 views

F4V to MP4 via FFMPEG (Bitrate viewer)

I have a several F4V that I've captured using Flash media Live Encoder and I need to convert them to MP4s. As I understand F4V are fairly identical to the MP4 format so we used "copy" for the video ...
2
votes
0answers
590 views

ffmpeg add alpha channel to a video

Basically I have a video with a green background, and I mean a perfect green background (red = 0, green = 255, blue = 0) and I want to convert this to alpha (i.e add an alpha channel where 0 255 0 ...
2
votes
0answers
450 views

Put MXF video into a MOV container with FFMPEG?

I am trying to put MXF video and audio tracks into a single MOV container with FFMPEG. I would like to maintain the existing video format. My FFMPEG build parameters are the following: ffmpeg version ...
2
votes
0answers
377 views

Why doesn't my audio work in Quicktime (but does in other players) when combining an mp3 and video file using FFmpeg?

I'm trying to denoise the audio in a video. I've determined that this isn't really possible in ffmpeg, so I've extracted the audio from the video this way. $ ffmpeg -i found1-1.mp4 audio.mp3 $ ffmpeg ...
2
votes
0answers
672 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 ...
2
votes
0answers
977 views

FFMPEG create zoompan shaky or jittery

I want to create 5 second mp4 video from 1 image. When I use below code the video is smooth. Default direction is zoom in to top left. ffmpeg -loop 1 -i prop1.jpeg -vf ...
2
votes
0answers
236 views

How to check .mp4 file is corrupted or not.

I am recording two different videos in the .mp4 format using ffmpeg command and after that combining them. But sometimes one of the video is get corrupted because of that it will affecting on the ...
2
votes
0answers
764 views

IE11 not playing mp4 file

I am using ffmpeg to convert a freely available public RTSP stream to a mp4 file. I can play the file quite well in Chrome using a standard HTML5 video client on a windows 7 machine but not in IE11. ...
2
votes
0answers
301 views

Upscale any video-size while concatting multiple videos in ffmpeg

I already asked this question at Stack-Overflow, but they said I should post it here, so here it is: I looked for 2 hours through the documentation, but I couldn't figure it out. I currently write a ...
2
votes
0answers
193 views

Disappearing characters between youtube-dl, ffmpeg, and cmd

so what happens is that if the video title has a symbol that isn't supported by your current locale then ffmpeg won't be able to get to that file properly. Here's one example ►2 HOURS BEST MELODIC ...
2
votes
0answers
310 views

ffmpeg slow down video and audio leads to garbled audio

I am using this command: ffmpeg -i test-video.mp4 -filter_complex "[0:v]setpts=(2/1)*PTS[v];[0:a]atempo=.5[a]" -map "[v]" -map "[a]" slow-output.mp4 And the audio that comes out is very "digital" ...
2
votes
0answers
378 views

I got a green overlay in my video when using multiply blend mode in ffmpeg

I´m trying to blend two videos with the multiply blend mode. But I got a green overlay in the resulting video. This is a image where are one frame of each input video and one frame of the resulting ...
2
votes
0answers
216 views

How to enable FORWARD seek in ffserver?

I found an ogv file on Internet which when I browse it with FireFox, I can seek to forward on it. I download that file exactly into my server via wget. Then I streamed it via ffserver with following ...
2
votes
0answers
266 views

Setting up an Ubuntu Linux scalable web video cluster

I'm in the process of setting up what I hope will be a robust and scalable video processing cluster for a website I'm creating. Currently, I am processing video uploads with FFMPEG on the same web ...