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

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3
votes
1answer
29 views

How can I compress video by taking advantage of its static content?

I have an HD video that is a presentation, so it consists mostly of still images. It's a 50 minute, 200MB MP4 file, downloaded from YouTube. Is there a way to take advantage of the static nature of ...
0
votes
0answers
18 views

How to add background multi images with video overlays

i want to add multi images(image-xxx.png) to video background and add a video overlay, pls tell me code ffmpeg? Images : image-001.png, image-002.png, image-003.png,...image-900.png Demo image: ...
1
vote
0answers
44 views

FFMPEG motion compensation and search

I'm trying to modify the motion detection part of FFMPEG. What I want to do is to extend the search space, so that whenever the macroblock hits the rightmost edge of the frame, I need it to still move ...
4
votes
1answer
288 views

How to correctly use x265 lossless parameter with avconv

x265 has a lossless mode which is used for ultra-high bitrates with zero loss of quality. I tried using this mode with avconv as follows: avconv -i input.mp4 -c:v libx265 -x265-params lossless -c:a ...
0
votes
0answers
22 views

FFMPEG || Converting CCTV raw .264 footage files

image of the log below is the text Hi I want to convert 264 footage files to .mp4. The problem is these files came with a player but unfortunately that player is not working on my pc, hence I thought ...
0
votes
0answers
10 views

VP9 containers similar to MPEG-TS

I know that an MPEG-TS file can have its beginning cut off by a hex editor and still be playable because it repeatedly writes the headers throughout the file. Is there something equivalent that ...
6
votes
4answers
17k 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 ...
0
votes
0answers
34 views

Scaling and frame-rate issue on overlay video ffmpeg

I am able to use following command to add webcam overlay on desktop recording. ffmpeg -y -rtbufsize 100M -f gdigrab -framerate 20 -offset_x 0 -offset_y 0 -video_size 1250x750 -draw_mouse 1 -i desktop ...
14
votes
3answers
43k 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
63 views

Encode h264 with FFMPEG that works across all browsers and devices (windows/mac/iOs/Android)

I want to encode images with FFMPEG to a h264 video file that will work on Windows Browsers and Mac Browsers and iOS / Android devices to display in HTML5. Is there a way to do that using one encoded ...
0
votes
1answer
187 views

Installed w10, got only directx 9Ex

I installed w10, dxdiag is showing that it has directx 9Ex What happened to dx 12, 11.1 11.0 or even 10? how can it bundle such an older dx version? If higher dx versions are there in the ...
0
votes
0answers
9 views

How to save as a Video-TS-BUP using DVDShrink

Using DVD Shrink 3.2 I compressed a video that had been converted from MP4 using ConverXtoDVD, however after it was compressed it appeared in my G drive in a format that would not play rather -by ...
0
votes
0answers
21 views

How does motion estimation work?

I am trying to understand the basics of video compression. I have found many resources addressing this particular subject, but somehow, I haven't clarified it yet on my mind. How does motion ...
5
votes
1answer
1k 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
votes
0answers
19 views

How to smooth out jaggy lines with AviSynth?

I have a quite crappy quality video in 480p, I then transcode it with AviSynth and MeGUI. I use a few scripts to enhance the quality, as well as upscaling the video to 720p. As you can see in the ...
2
votes
3answers
5k views

Using avconv (ffmpeg) to concatenate a bunch of .bmps into a mkv/avi video

Trying to figure out how to get avconv to concatenate a bunch of .bmps together into a video file. Here's what I've got so far: avconv -f image2 -i Capture/%d.bmp -vcodec mpeg4 -r 24 -b:v 20M ...
76
votes
6answers
88k views

Can HandBrake flip/rotate a video?

I'd like to use HandBrake to compress some video that was taken via a camera that was mounted upside down. I found a reference to a command-line rotate option, but I can't find it in the GUI. Am I ...
9
votes
2answers
10k views

What parameters should I be looking at to reduce the size of a .MOV file?

My Canon 60D creates .MOV files when recording video and I've found out that the .MOV container has an H264 video stream and a PCM audio stream. I've used ffmpeg and GSpot to look at some of my ...
27
votes
9answers
18k views

Is there any way to distribute x264 encoding jobs across multiple computers (to increase the encoding speed)?

Does anyone know of a current, active solution to encoding x264 videos across many computers (via the network) to increase encoding FPS? Brownie points for cross-platform and open source, but just so ...
0
votes
0answers
17 views

PSNR-HVS-M - Between-coefficient contrast masking of DCT basis functions

So there doesn't seem to be much material on the internet regarding these PSNR variants. PSNR-HVS: Peak Signal-to-Noise Ratio taking into account Contrast Sensitivity Function (CSF). While I don't ...
1
vote
2answers
229 views

ffmpeg encoding to VP9 results in Google Chrome-unplayable video, while to VP8 works

Plenty of time passed, since I have encountered the problem, specified in the subject. I tried multiple ffmpeg static builds, have built it from Git repository myself with different flags and on all ...
0
votes
1answer
29 views

How can I merge audio and video stream with delay

Let's say I have audio.m4a and video.m2v and the video stream starts approx. 13 sec with the expected sound output but my audio.m4a immediately. So I have to merge it with a delay! I tried already ...
1
vote
2answers
76 views

Is there any advantage of reencoding a 480p video as 1080p?

To be specific, I mean importing a 480p video into Movie Maker and exporting it as a 1080p MP4? Is there an advantage?
0
votes
1answer
40 views

FFmpeg and pressing d during encode, how to continue?

I am encoding a huge video which takes forever. I'm using Windows and a command prompt. And I accidentally pressed d while the window was active. That seems to have triggered some kind of debug mode. ...
1
vote
1answer
557 views

ffmpeg settings for VHS mpeg2/mp2 to H264/MP4 VBR conversion and reducing file size

My input is as follows: Input #0, mpeg, from 'D:\Videos\2015.mpg': Duration: 01:49:08.74, start: 0.220000, bitrate: 4940 kb/s Stream #0:0[0x1e0]: Video: mpeg2video (Main), yuv420p(tv, bt470bg), ...
0
votes
2answers
179 views

Settings For ffmpeg For Best VP9 Quality for Web Publishing

I have video in Apple ProRes 422 format which I plan to encode to Google's VP9 for publishing on the Web. The source is: Stream #0:0(und): Video: prores (apcn / 0x6E637061), yuv422p10le(bt709), ...
1
vote
0answers
35 views

Windows Movie Maker file size

I'm using ShareX to make x.264/MP4 tutorial videos in which there is very little motion. Most of the time I'm just typing and highlighting text. I'm getting reasonable file sizes. I edit the videos ...
0
votes
0answers
46 views

How to display MPG videos in the Windows 10 Photos app?

The built-in Windows 10 Photos app does not display thumbnails of MPG videos when I'm browsing folders or albums. I recorder these "problem" files with my old Sony DCR-SR62E cam. All is ok for MP4 ...
5
votes
1answer
6k views

FFmpeg (MacPorts) - libfaac missing, need new audio encoder

I am so confused. I am trying a quite simple FFMpeg command to transcode a movie file to a x264/AAC mp4 file via the command line (for Vimeo upload). (Mountain Lion/Macports) ffmpeg -i INPUT.AVI -...
0
votes
1answer
73 views

ffmpeg video encoding never begins with -ss and -t flags

I'm trying to cut a video in two parts using two commands: ffmpeg -i "a.mkv" -c:v libx264 -preset slow -crf 8 -c:a libfdk_aac -vbr 5 -ss 00:03:30 -t 00:01:30 "h.264/a1.mp4" ffmpeg -i "a.mkv" -c:v ...
0
votes
1answer
58 views

g_timebase.den out of range

I have a motorola moto xt1225 smartphone and recorded a video I am trying to encode for VP9 webM using ffmpeg with Ubuntu 15.10. This is what ffprobe output about my input video: ffprobe ...
1
vote
1answer
101 views

How to cut video files by frame

Does anyone know of a software that could be installed/compiled for linux that is able to cut video by the frame? Thanks.
1
vote
2answers
118 views

ffmpeg overlay image on video loses quality and sticks - any alternatives?

I need a better way to overlay images on video. Currently I am using this: ffmpeg -i input.mp4 -shortest -loop 1 -i 57982344.png -filter_complex "[1:v]fade=t=in:st=5:d=1,fade=t=out:st=10:d=1[over];[...
-3
votes
1answer
89 views

Cannot run video on Android devices after converting it with ffmpeg

I am converting video with ffmpeg, but after conversion it does not run on android devices it shows cannot play this video the code for conversion i am using is: exec('D:\wamp\bin\ffmpeg.exe -y -i D:/...
9
votes
2answers
14k 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 ...
1
vote
1answer
4k 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
votes
1answer
338 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
votes
1answer
27 views

Is there a way to determine resolution of a video using its bitrate?

I have a use case where I need to determine the resolution of a video depending on its bit rate data e.g. 236k, 668k, 1299k, 1900k etc. I also have data about its dimensions e.g. 320x240, 480x360 etc....
10
votes
3answers
14k views

Which resize algorithm to choose for videos?

I'm using VirtualDub for encoding with those settings. However I record my stuff in 1920x1080 and resize it down to 1280x720. Now the question: which algorithm should I choose when making a balanced ...
9
votes
4answers
23k views

How to losslessly combine multiple AVI files into a single file?

I would like to combine multiple movie clips with .mov and .avi extension into a single file. Is there any free software in the market that is good and able to perform that? Preferably that should ...
0
votes
0answers
105 views

(FFmpeg) Concatenation with text files error, “TEXT.txt:Invalid argument”

In Concat.txt, I listed out the files to concatenate by: file 'Vid_1.mp4' file 'Vid_2.mp4' In my code, I simply use: ffmpeg -f concat -i Concat.txt -c copy OUTPUT_VID.mp4 Concat.txt and the ...
-1
votes
1answer
212 views

FFMPEG Command to apply VHS like effect on Video

I want to apply VHS like effect on my video. Please advice me FFMPEG command for same. Thanks
0
votes
0answers
33 views

Writing ffmpeg result to pipe (e.g. stdout) produce different file than when writing to file

I convert video to another format using ffmpeg: ffmppeg -i somefile.*** -f avi somefile.avi and everything works fine. But i need to write output to pipe, so (simplified example): ffmpeg -i ...
0
votes
1answer
423 views

Handbrake doesn't keep Hi10p and HEVC after conversion

Handbrake is a great tool for me to convert media files. I noticed that my original video file (mkv, 1080p, Hi10p, HEVC) lose some quality after conversion (mp4, 1080p, 8-bit, AVC). What I've ...
0
votes
0answers
102 views

Codec missing powerpoint; how do I get get my media to play?

I designed a presentation pull of interconnected audio & video files in 2013. Edited since in 2007 and most of my media wont play. Tested in 2010; It offers to upgrade the media and then says ...
0
votes
2answers
191 views

Best Practice/suggestions for capturing/encoding/formatting VHS video?

As a personal project for my family I recently purchased myself a Composite-USB converter in order to preserve many of the family's old home movies on VHS. Now, the proprietary software that the ...
0
votes
2answers
380 views

unable to find a suitable output format for 'ΓÇô'

I'm trying to encode videos for mpeg dash streaming, I used the following command (I bring it from this article: http://blog.streamroot.io/encode-multi-bitrate-videos-mpeg-dash-mse-based-media-players/...
0
votes
2answers
171 views

Cut an FFmpeg video based on frames not a timecode

I want to cut a video with FFmpeg using something similar to the code below: ffmpeg -i movie.mp4 -ss 00:00:03 -t 00:00:08 -async 1 cut.mp4 However I want to specify -ss and -t in frames instead of ...
1
vote
1answer
313 views

why is mpeg4 encoder faster than libx264 using ffmpeg

I have been padding mp4 videos so they can become of the size 1920x1080 instead of 1920x800. I used initially used mpeg4 encoder using ffmpeg, the encoding was quick but the size of the file was more ...
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 ...