Specific issues with encoding video to a certain format, also related to [video-conversion]

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Prevent Blur in Gameplay .mov

So I've been uploading videos of Hyrule Total War onto Youtube, but keep experiencing a bunch of blurring of my video when I move the camera. After recording in FRAPS, the raw footage looks perfect, ...
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0answers
10 views

DVD presence not detected until after Windows Update

I am running Windows 7 with Power DVD. I had a couple of DVDs and I googled to find that The Dark Knight Rises is particularly a frequent evidence the issue. When I insert the DVD into the drive, ...
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1answer
42 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 ...
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1answer
72 views

Encoding H264 with windows ffmpeg results in first few seconds being “blocky”

I am using the following code to transcode a 10mbps high quality 1280x720 H264 mp4 into a lower quality H264 mp4 with our logo watermarked on the video. ffmpeg.exe -i test.mp4 -i watermark.png ...
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0answers
100 views

Difference between downscaling 1080p to 720p in real time and downscaling during encoding?

Suppose a high quality, uncompressed video is re-encoded twice, with almost identical encoding settings at a relatively low bitrate of 4mbps, but at different resolutions, first at 1080p, and then at ...
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0answers
194 views

Is it possible to embed subtitles in an MP4 with the forced option in MeGui?

I want to show subtitles with my web player (it supports Flash and HTML5). I'm using the .mp4 format and I can add subtitles to the player with an external .srt file, but I want to embed subtitle to ...
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1answer
67 views

How to determine 'Output bit depth' of the libx264 library in ffmpeg?

According to the x264 Encoding Guide, the crf scale depends on whether x264 is 8-bit or 10-bit. Supposedly x264 --help shows the Output bit depth. But on Windows ffmpeg -h full doesn't say anything ...
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0answers
89 views

Why does FFmpeg segment_times create webm files with incorrect duration and start times?

I have a MOV file that I want to split into several smaller files (at certain timestamps in a comma-separated list). I'm simultaneously compressing the video into WEBM files. The command I'm using ...
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1answer
66 views

How does video encoding bitrate affect duration and why?

Does encoding an uncompressed video into a higher bitrate take longer (than into a lower bitrate)? If so, why - it seems that the encoder should need less effort because it doesn't have to compress ...
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0answers
182 views

What video codec over RTP protocol?

I 'm trying to achieve video streaming from a Linux server (ffserver) to a Windows client (VLC player). Although I made it over HTTP protocol, I want the multimedia to be transferred over RTP ...
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30 views

At my wits end with Evalvid MOS

I'm using Evalvid binaries and the tutorial here :http://www2.tkn.tu-berlin.de/research/evalvid/EvalVid/docevalvid.html I understand it well enough and can go as far as calculating PSNR for my ...
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145 views

PowerDirector 11 can't enable encoding hardware acceleration?

I have a late-2013 iMac running Windows 8. I want to use "Fast video rendering technology" specifically the Hardware acceleration, (I have an NVIDIA GeForce GTX 680MX with OpenCL & CUDA ...
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0answers
142 views

How to use mencoder to convert any format to ogg video

I am trying mencoder to convert any format videos to OGG/Video The ffmpeg command I have tested successfully is : ffmpeg -y -i '<input-file.avi>' -vcodec libtheora -b 256k -bt 256k -level 30 ...
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2answers
3k views

How to download online videos [closed]

I have very low bandwidth available on my network. I don't want to watch the video online again and again. Instead I want to download the video for later use. I can download Youtube videos with some ...
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1answer
55 views

Ideal FPS to use

I have a C# desktop application and I am using ffmpeg as a way to 'zip' up a load of jpegs on the client PC and upload it to my server and unzip it. The number of jpegs to zip at any 1 time varies. ...
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1answer
1k views

Shouldn't we always use Web Optimized for Handbrake?

I use Handbrake sometimes to compress video files, and notice that the "Web Optimized" option is not chosen by default, and cannot be set to the default in Options either. But I tried both Web ...
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3answers
743 views

YouTube consistently messes up my video's quality

I'm having trouble encoding a video for YouTube. The content isn't very "compression-friendly" (it's Battlefield 4 gameplay footage), but I'm 100% positive the results could be better. Some links: ...
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31 views

“Freely positionable” Videos

The following is a requirement for loading a video into National Instruments DIAdem: The videos must be freely positionable, so that DIAdem can display each frame in the videos. Video - DIAdem 2012 ...
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0answers
467 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 ...
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3answers
293 views

How to generate an MP4 with H.265 codec using FFmpeg?

I want to encode a video file to H.265. The last version of ffmpeg should be support H.265 (Source). However, I could not find any information about the exact command. I do not know, which library I ...
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1answer
736 views

Fixing an unmuxed image/jpeg stream from webcam using gstreamer

I made a broken footage using the following pipeline: gst-launch-1.0 v4l2src ! filesink location=encode.mjpeg Somehow gstreamer can still play it back: gst-launch-1.0 filesrc location=encode.mjpeg ...
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1answer
2k views

How do I replace the audio in an MP4 file without re-encoding?

I've got a video in an MP4 container that I would like to replace the audio track in (not add another audio stream to, nor convert the audio format of). Someone elsewhere online suggested to use ...
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0answers
342 views

Converting series of images with ffmpeg results in black video

I've just downloaded ffmpeg since it seems to perfectly match my needs (make a video from a set of pictures). I'm currently playing around with some examples just to get started and there's something ...
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1answer
3k views

What are “levels” and “keyframe distance” when rendering video in Adobe Premiere Levels?

I would like to know what the render option called Levels is. Why should I change that to 5.1 or 1.0? What are those levels and how do they affect the final file (size, quality)? All the info I read ...
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2answers
6k views

How can I get high quality/low size MP4s like the LOL release group?

Release group LOL does an excellent job at encoding their releases on The Vampire Diaries (on other shows like How I Met Your Mother the bitrate is higher, so doesn't seem this effective). About 200 ...
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2answers
7k views

Converting avi encoded with 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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1answer
327 views

FFMPEG keeps converting without stopping

I have a web application that converts videos and splits them using FFMPEG. It was working fine until recently I noticed that the videos were taking much more time converting than they are supposed ...
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0answers
50 views

FFmpeg audio disappears in the middle of the video

I've been trying to convert a sequence of PNG files to a video with some sound (mp3 or wav). It pretty much works with different codecs and quality settings for both video and audio.But the audio ...
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1answer
3k views

Using CRF and setting a maximum bitrate with x264 in FFmpeg

I am trying to transcode a video to H.264/MP4. I am using the crf = 20 option but according to the requirements I also want to limit the maximum bitrate to 3 MBit/s. I was trying to cheat though it ...
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1answer
100 views

Simply changing avi file to mpg accelerates the video while audio maintains the original pace

I have a avi file with streams as follows Stream 0: Video, MPEG2 video, 480x576, 25fps Stream 1: Audio, MP2, 44100Hz, 192kbps I am trying to convert the above file into SVCD complaint mpg file. So, ...
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1answer
3k views

How do I translate HandbrakeCLI options to FFmpeg options?

I have a bunch of commandline settings that work for handbrake, but sometimes on some videos (I have no idea why) handbrake throws "Out of memory exception". I was wondering if I can find the same ...
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1answer
1k views

ffmpeg support for tx3g

I am trying to embed subtitles in an MP4 contrainer using ffmpeg. I am using the following command: ffmpeg -i input.MOV -i input.srt -map 0 -map 1 -c copy -c:s mov_text output.MOV I would like the ...
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2answers
721 views

v4l2 issues with webcam encoded to H.264

I am trying to send a H.264 webcam video feed over wifi to another computer using gstreamer. I am using this tutorial as a guide. I am using a Creative Live! Cam Connect HD as my webcam. The website ...
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2answers
1k views

720p to micro 720p

What is Micro-720p ripping method? I want to rip from 720p using ffmpeg and libx264. Example m720p video information (I don't know the source video): General Complete name ...
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564 views

Video cutting with minimal re-encoding or no re-encoding

I want to cut a video file (i.e. delete parts of it), and do it with the minimum amount of re-encoding possible. I found this piece of software called Machete, which otherwise works fine, but it ...
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2answers
539 views

FFmpeg not converting first image [duplicate]

Possible Duplicate: Ffmpeg sync error, first image showing really fast I'm using Windows and FFmpeg for Windows. My material are 8 images, with names like: product0001img01.png ...
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1answer
175 views

Proper encoding for long videos from online meetings?

I'm taking responsibility for maintaining a collection of recordings from online meetings, and I'm at a loss to determine which encodings I should use for them. The videos are coming from GoToMeeting, ...
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1answer
876 views

Why does FFmpeg generate a wrong TS segment?

I used FFmpeg to generate an HLS stream with the following command: ffmpeg -y -i test.ts -flags -global_header \ -c:a libfaac -c:v libx264 -profile:v baseline \ -level 31 -r:v 24 -map 0 \ -f segment ...
3
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1answer
4k views

FFmpeg MKV to MP4 remux whilst converting all audio tracks to AAC

I had a ffmpeg command that would successfully remux an mkv to a iTunes compatible mp4. However it only took the first audio stream regardless of language. I want to remux all audio streams, or at ...
6
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1answer
21k views

Convert AVI to MP4 keeping the same quality

I want to compress an AVI file to MP4 using an h.264 codec. I could not get the same quality. How can I compress it? Original Video: Original Video Screen: FFmpeg console output (ffmpeg -i ...
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3answers
3k views

How to make Handbrake preserve capture time / creation time?

Handbrake is an awesome video compression tool, but it doesn't seem to preserve the original capture time after a video is compressed. Any idea how to fix this?
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1answer
461 views

How to make a sample file with Handbrake

I want to test a couple things with my encode before I encode the whole file. Is there a way for me to make a sample file (30 seconds long or something like that) that I can analyse using different ...
0
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1answer
366 views

Encode video with changing bit rates using FFmpeg

I would like to encode a 30 min video using ffmpeg. I am able to achieve this using ffmpeg -i in.mp4 -vcodec libvpx -vb 1024k -keyint_min 150 -g 150 -an out.webm But I would like to encode ...
2
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1answer
1k views

Retrieve the HandBrakeCLI command from HandBrake GUI

I understand that the HandBrake application uses the HandBrakeCLI command-line application to do the actual encoding job From all the encoding settings I've set on the HandBrake UI, how can I ...
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1answer
1k views

Convert EXR file sequence with FFmpeg and x264

When I convert an EXR sequence into a QuickTime MOV file using FFmpeg and the x264 codec, it codes the video – but in QuickTime Player and Windows Media Player it's just black! But when I open it up ...
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3answers
3k views

Reduce size of MP4

I have a MP4 file with a lengh of 22:44. Here are the details: Video: width: 720 px height: 404 px data bitrate: 1022 kBit/s overall bitrate: 1182 kBit/s fps: 24 codec: H264 - MPEG4 AVC ...
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0answers
63 views

How to encode video for desktop/application recording?

Which video encoder or which encoding technique would return the best quality/size value (or just the most "natural feel") for recorded desktop/application activity like video tutorials? By good ...
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1answer
7k views

Cheat sheets and presets-settings that actually work with FFmpeg 1.0?

Have tried a number of 'cheat sheets' available elsewhere but they almost all are out of date and simply will NOT work with the latest version of FFMpeg. Can anyone point me to settings that WILL ...
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0answers
146 views

FFmpeg cuts video duration while transcoding

When using ffmpeg on linux, my 4.3GB 2.21 second video is being chopped down to 1.56 duration. I'm trying to reduce file size, but not lose frames. steve@steve-OptiPlex-170L:~/Desktop$ ffmpeg -i ...
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2answers
1k views

Stream video from a computer to a tablet

I would like to watch presentations and college videos I have on my computer, from my tablet. There are almost a hundred of GB in videos, so I would like to watch them in streaming from my computer. ...