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

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6 views

How can I export video out of Ableton Live without it crashing like crazy?

All I could figure out is that if I keep the audio bit depth and bitrate the same across all my settings, from the audio export to video export to soundcard settings, and keep the audio engine off ...
0
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1answer
40 views

Converting a large MP3 to video

I have 6 MP3 files that are between 1.2GB and 2.8GB in length. I also have 6 image files. I want to make 6 videos using those 6 MP3s and images. I have tried using uMusic to merge these and while ...
-1
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0answers
19 views

TS to mp4 artifacts when fast forwarding [on hold]

I had an m3u8 file with links to TS files. I created an mpeg with FFmpeg without re-encoding. When I play it and go to another time, It doesnt play smoothly, it is showing much grey areas. Can i get ...
1
vote
1answer
21 views

Swapping index of an MP4 file with FFMpeg

I run a web application which provides a few videos on it. Those videos are being displayed with a flash-video-player. Unfortunately, the index of those container-files is at the end of the file, so ...
0
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1answer
40 views

ffmpeg says that “'.mkv' is not a suitable output format”

I have trouble with ffmpeg, I want to do a two-pass encoding, plus denoise and deblock if possible. This is a command I thought would work but I am getting all sorts of problems: ffmpeg -y -i ...
1
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0answers
26 views

How would you digitalize your VHS? [closed]

I have the USB device for it (Avermedia Ezmaker 7), and it works perfectly. I connected it to VCL just to have a preview, I managed it and it is also perfect - no audio/video asyncronization. But I ...
0
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1answer
40 views

Cut video after certain time?

So I have found out how to cut a video at a specific time frame by using the following command ffmpeg -i input.wmv -ss 00:00:30.0 -c copy -t 00:00:10.0 output.wmv ffmpeg -i input.wmv -ss 30 -c copy ...
0
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0answers
16 views

How to mix videos created by DosBox into a single video?

When recording gameplay videos. DosBox recording a separate video for each graphics mode. For example Descent switches graphics mode for each time you visit the auto map. So now I have 46 videos ...
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1answer
422 views

Nvidia CUVID video hardware acceleration

I have Nvidia Quadro NVS 140M GPU (G86) in my laptop. Last time when I was installing video codec pack I could turn on Nvidia CUVID hardware video decoder features at some point of configuration. I ...
0
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1answer
23 views

Is it possible for ffmpeg to encode with a spatially variable bit rate?

I would like to reduce the overall bitrate of a 4K 180 degree FOV video by decreasing detail outside of 60 degrees while retaining it in the center. Is that possible?
0
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0answers
285 views

Which settings should I use on VLC to transcode a video to play on Xbox 360?

I tried to convert a video on VLC a few times to play on Xbox but I can't find the right settings. I used a few formats specified in this page but they didn't work. I also found this page that ...
0
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0answers
184 views

DVD Flick Video Encoding is usually slow?

I tried to burn my movies using DVD Flick, but when it's burning, it takes so much time to encode the videos. I select the Bitrate as Auto Fit, and encoding as Normal. Is it normal to take so much ...
0
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0answers
29 views

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, ...
1
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0answers
33 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, ...
0
votes
1answer
259 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
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1answer
362 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
464 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 ...
1
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1answer
537 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 ...
0
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1answer
181 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
167 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 ...
0
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1answer
113 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 ...
0
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0answers
357 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 ...
0
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0answers
38 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 ...
0
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0answers
398 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 ...
0
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0answers
263 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
7k 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 ...
1
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1answer
64 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. ...
4
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1answer
3k 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 ...
2
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3answers
1k 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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0answers
32 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
731 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 ...
9
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3answers
11k 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 ...
0
votes
1answer
1k 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 ...
4
votes
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 ...
2
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0answers
375 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 ...
1
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1answer
5k 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 ...
6
votes
2answers
9k 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 ...
5
votes
2answers
9k views

Converting AVI encoded file with an 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 ...
1
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1answer
382 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 ...
1
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0answers
56 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 ...
1
vote
1answer
4k 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 ...
0
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1answer
102 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, ...
3
votes
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 ...
2
votes
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 ...
0
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2answers
916 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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votes
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 ...
0
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0answers
643 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 ...
2
votes
2answers
641 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 ...
2
votes
1answer
187 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
1k 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 ...