Is it possible to run ffmpeg from the command line which will either place the 'moov atom' metadata in the beginning of the MP4 file or run the qt-faststart as a post processing operation in ffmpeg...

I've seen a few threads about this, but with no answers, so I thought I'd add another to the grave yard of polluted youtube related pages. I've got a 100MB mp4 video that needs to be fully downloa...

I am converting MP4 files to WMV with these two rescaling commands: ffmpeg -i test.mp4 -y -vf scale=-1:360 test1.wmv ffmpeg -i test.mp4 -y -vf scale=-1:720 test2.wmv I've also tried: ffmpeg -g ...

I am working on live device to server streaming in android. I am able to send data in bytes on server but when I play that file during recording on server VLC say that MOOV atom not found. Af...

Does anyone know any way I can play an .mp4 video file in a JPanel? I have tried JMF with .avi file but found no success and now I'm baffled and frustrated at how such a simple task of playing a vi...

I have a small home server that hosts several items, among them a few MP4 sample videos. I've been using a simple <video> tag to play the videos, and it worked well for for Firefox, Chrome a...

I'm trying to write a streaming video server using Node.js express. the main task of the video server is to apply a watermark on the video. Here is my code const express = require("express&quo...

So I am trying to convert a really long video from MKV to MP4. I tried this command first which is supposed to be the fastest way to convert mkv to mp4 ffmpeg -i "vid.mkv" -codec copy -ma...

I am working on a video player application, I want to play .mp4 video in the native video view. I am not able to play video using a URL. I am getting the error "Sorry this video cannot be play...

I have a MP4 video playing in the background in my web app. However when I update the bindings and change the video source the video stays the same <video autoplay loop> <source [src]=&qu...

I've used ffmpeg to convert a bunch of tga files into an mp4 just fine for a few weeks, but it broke for no apparent reason earlier today. I have a pastebin with -loglevel debug here, but the comma...

How can I programmatically convert (extract the audio channel) from the mp4 video file format? I just can't find anything on the web, for using C++. Passing command line args to LAME or MPLAYER o...

I have the following problem - I am trying to create an app that records video, then save it to the camera roll and after that I am uploading that video to the web. The problem is that the only sup...

EDIT: This question has become very popular and is one of the top results for searching "convert mkv to h264 ffmpeg" and thus I feel it is appropriate to add that for anyone stumbling upo...

I'm hosting videos at my Wordpress website, and my users can upload mp4 video files to it. I know that hosting videos is not recommended for performance, but I'm doing this for beta test for coupl...

I'm working on a mp4 container parser but I'm going crazy trying to recognize the audio codecs of the streams. I used both QtAtomViewer and AtomicParsley but when I find the atom: trak->mdia-&gt...

I am trying to find the proper ffmpeg command to add a .png or .jpg image to a .mp4 video as a thumbnail. The command will eventually automatically be executed by a C# program. This is what I have...

I am using ffmpeg to convert frames from an mp4 to png images. I would like 20 frames per second AND I would also like the images to be scaled up to 1920x1080. The original mp4 is 240p (426x240). ...

I am trying to get rid of a data (subtitle) stream within a Mp4 container, using ffmpeg. Here's the screenshot from ffprobe: Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test.m4v': Metadata: major_br...

I have the following command that I have used to create an MP4 video file from an image and an MP3 file, it plays fine in a Chrome browser on desktop and on an Android phone - but it doesn't work o...

I am hosting a static website on a reserved web site in Azure (It is PaaS, no access to OS/IIS). I am trying to add some .mp4 videos but when I click on the links I get The resource you are lookin...

I have to design a module that detects mp4 files. If will get any random file as input and it has to tell whether it is a mp4 file or not. Where can I find the specification of headers for the mp4 ...

When piping mpegts to ffmpeg, which should convert it to mp4 and pipe to stdout, ffmpeg says: "muxer does not support non seekable output". After a lot of research I came to the conclusion that mp...

I'm using the FFmpeg library to generate MP4 files containing audio from various files, such as MP3, WAV, OGG, but I'm having some troubles (I'm also putting video in there, but for simplicity's sa...

I have the following code: VideoView videoView = (VideoView)findViewById(R.id.instructionsvideo); assert videoView != null; videoView.setVideoPath("android.resource://" + getPackageName() + R....