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Questions tagged [video-conversion]

Video conversion deals mostly with converting videos from one codec to a second one or to resize the image size. It is also possible to change the container format as well.

Videos must be converted for several reasons from one codec to a second one or need to be resized to fit on smaller screens. In some cases devices can record or play just a view formats. With video conversion videos can been converted to be playable on a other device.

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Gstreamer videoconvert color conversion wrong?

I'm launching a gst-launch-1.0 that captures camera images with nvgstcamera. The images are encoded to VP9 video. The video is tee'd to a filesink that saves the video in a webm container and to a VP9 decoder that pipes the images into an…
Laurenz
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How convert .webm to .mp4 using Java?

I would like to convert a video from .webm to .mp4. I have tried with Java library JAVE (Java Audio Video Encoder). This is my code using Jave: File source = new File("C:\\Development\\workspace\\java-project\\video.webm"); File target = new…
Andrea Pacchioni
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how to convert video from one format to another using php

hi i want to include the vedio download option in my webpage. I am using ffmpeg, but it seems to work very slow. Is there is any other way to do this or how to spead up the ffmpeg. i am using this code to get the frames from the vedio. to convert…
Meena
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MATLAB: Use of vision.VideoFileWriter and vision.VideoFileReader

I'm trying to convert a .avi file with audio to a .mp4 file. I wrote this script 'avi2mp4.m' using the Computer Vision System Toolbox v7.2 with the MATLAB R2016b. vfr = vision.VideoFileReader('Cris Drift vs Patrick.avi', 'AudioOutputPort',true); vfw…
user6188094
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Firebase Storage : transcode media files from their source format into versions that will playback on different clients (Android, iOS, Web)

I am storing the different video file formats provided by my website users in Firebase storage. Since I don't want to restrict my end users to a particular file format, but at the same time ensure that the provided media file can be seamlessly…
Bhaarat
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Convert swf to mp4

This answer had not helped: Convert compressed swf to mp4, trying to convert swf file. ffmpeg output: $ ffmpeg -i GTDS_demo_new.swf GTDS_demo_new.mp4 ffmpeg version 2.8.6-1ubuntu2 Copyright (c) 2000-2016 the FFmpeg developers built with gcc 5.3.1…
Aleksey Kontsevich
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How to convert recorded or existing video in audio file?

Application will open/record video from gallery/camera, after that application should automatically convert that video to audio file. I have searched a lot on google but i unable to get any solution for this. Can anyone help me on this?
Reena
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How to minimize usage of CPU/memory by ffmpeg when converting video mp4 h264

I am using ffmpeg for video conversion to convert video in h264 format but it takes 100% CPU and memory resources that effect the server performance. below is my code that convert the video please help me on this but video must convert in h264…
Programmer
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Crash at VTCompressionSessionEncodeFrame with EXEC_BAD_ACCESS

I am facing a strange crash at VTCompressionSessionEncodeFrame(session, (CVPixelBufferRef)data, pts, dur, frameProps, NULL, &flags); for the following code. void H264Encode::pushBuffer(const uint8_t *const data, size_t size,…
Dinesh
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YUYV 4:2:2 to ARGB conversion using intel intrinsics SSE/MMX

I'm working on YUY2 (4:2:2) to ARGB conversion with scaling for video buffers 1920x1080i@25. I already have code that works fine for UYVY (4:2:2) to ARGB conversion with scaling. I'm new to intrinsics and don't know much about it. #define CYRGB …
Punit Shah
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Show progress of a video conversion with FFMpeg

I'm using C# WinForms to make a video converter, I'm using NReco.VideoConverter library. It has an EventHandler named ConvertProgress but I have never used EventHandlers, I was searching for some information on internet, but I still don't know how…
ChrisCreateBoss
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ffmpeg streaming video website -- converting on the fly vs. hosting multiple formats

The setup: A website that streams uploaded videos using ffmpeg on the backend. Different video formats are served based on the needs of the client-device. My understanding is that some websites keep the same video in multiple formats, while others…
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No such file or directory FFMpeg Error on MAC

I am trying to build a ffmpeg binary using the following link http://ffmpegmac.net/HowTo/ I was successful in creating the binary. I could convert video files easily This is the code i run in the terminal ffmpeg -i Test.mp4 -b:v 64k -bufsize 64k…
Nitesh
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Converting Real Media with ffmpeg

I have a number of old crusty Real Media files I need to convert and was hoping to write a script to batch process them. I'm able to do a Real Media -> AVI conversion with FFMpegX, but when I try to replicate the conversion with ffmpeg, it always…
Eric Arenson
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ffmpeg conversion for apple tv

I have one particular movie file that is giving me grief while I am trying to convert my movie library to be able to be viewed on my Apple TV. I have been using iFlicks to convert all of my files and have only had one issue. The original of this…
sion
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