Specific issues with encoding video to a certain format, also related to [video-conversion]
5
votes
4answers
15k 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 ...
2
votes
0answers
59 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 ...
0
votes
1answer
61 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 ...
1
vote
1answer
1k views
ffmpeg - creating DNxHD MFX files with alphas
I'm struggling with something in FFMpeg at the moment...
I'm trying to make DNxHD 1080p/24, 36Mb/s MXF files from a sequence of PNG files.
My current command-line is:
ffmpeg -y -f image2 -i ...
2
votes
1answer
109 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 ...
3
votes
2answers
594 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 ...
1
vote
1answer
52 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
vote
0answers
32 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 ...
5
votes
3answers
3k views
How can I re-encode H.264 video with minimal quality loss?
I have a lot of MPEG-TS files (.TS container but H.264 video) and playback is fine except that when you skip forward/backward or fast forward it's very sluggish and gets pixelated, etc.
I've been ...
-1
votes
2answers
287 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 ...
1
vote
1answer
200 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
votes
1answer
72 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, ...
0
votes
1answer
152 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 ...
-1
votes
1answer
260 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 ...
4
votes
2answers
2k views
How do you splice out a part of an xvid encoded avi file, with ffmpeg? (no problems with other files)
Im using the following command, which works for most files, except what seems to be xvid encoded ones
/usr/bin/ffmpeg -sameq -i file.avi -ss 00:01:00 -t 00:00:30 -ac 2 -r 25 -copyts output.avi
So ...
7
votes
1answer
9k 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 ...
2
votes
1answer
313 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 ...
1
vote
1answer
199 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
votes
0answers
181 views
Streaming DirectShow directly to a player over internet
I was trying to set up a method for streaming video coming from DirectShow (Dxtory hooked to DirectX) directly to my friend's computer (No twitch.tv, ustream or anything of the sort). I have 1mb/s of ...
4
votes
4answers
19k views
How do I reduce the size of a huge MP4 video?
I paid $59.95 for Vimeo Plus only to find that there is a 1 Gigabyte limit on video size.
I have a 4 GB MP4 video file that I shot with the HD Flip Mino. How do I reduce it to no more than 1 GIG ...
0
votes
0answers
147 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 ...
12
votes
3answers
7k views
Convert from MOV to MP4 Container format
I have a digital camera that records nice 1080p H.264 format but unfortunately it uses the MOV container format. Basically I have nothing but the camera and VLC that play this format natively.
Is ...
1
vote
2answers
193 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
97 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, ...
2
votes
1answer
988 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 ...
0
votes
2answers
536 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?
2
votes
1answer
3k 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 ...
1
vote
3answers
1k views
How to specify audio and video bitrate
I have a mov file with the following media information:
Stream 0
Type: Video
Codec: H264-MPEG-4 AVC (part 10)avc1
Language: English
Resolution: 1280x720
Frame rate: 24
Stream 1
Type: Audio
Codec: ...
0
votes
0answers
208 views
How do I make use of Intel Quick Sync when encoding a video in MediaCoder?
I understand that Intel QuickSync is a much faster way to encode videos. I understand that while Handbrake doesn't support it, MediaCoder does... Except I can't figure out to how enable it.
I've ...
1
vote
1answer
97 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
1answer
144 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
votes
1answer
175 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 ...
3
votes
1answer
251 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 ...
2
votes
3answers
889 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 ...
1
vote
0answers
57 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 ...
0
votes
1answer
2k 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 ...
1
vote
0answers
102 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 ...
3
votes
2answers
456 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. ...
4
votes
1answer
2k 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 ...
2
votes
0answers
1k views
Avconv increases file size
I am using the version of avconv in Ubuntu 12.04 to archive videos. I would preferably use some kind of lossless video compression (e.g., huffyuv or FFV1), but using the original video stream (copy ...
3
votes
2answers
3k views
FFmpeg drops frames when encoding a png image sequence into an x264 mp4 video
I'm trying to encode an image-sequence (frame0001.png, frame0002.png, ... , frame0160.png) into an x264 video using the following command:
ffmpeg -i frame%04d.png -sameq -r 24 out.mp4
After ...
0
votes
1answer
168 views
How to change display ratio of mp4 movie without reencoding
Is there any way to resize an mp4 video without reencoding it?
I plan to do this in Ubuntu Linux 12.04 x86_64.
1
vote
2answers
3k 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 ...
1
vote
1answer
250 views
The fastest way to encode image+audio for Youtube from command line?
I have an mp3 and image and I want to make a simple clip to upload onto Youtube. Is there a fast solution? If video formats are so bad designed, then maybe it is possible to use a prerendered ...
0
votes
1answer
2k views
How can I create small video files without losing any quality?
For a while there I found videos that are 42 minutes long, and are great quality. The resolution is 624x352 and when going full screen they still look pretty great.
I recently came across an ...
0
votes
0answers
116 views
Why is my Output distorted after encoding with Expression Encoder?
I'm a "n00b" when it comes to re-encoding files. I'm trying to re-encode an AVI into a silverlight container via Encoding Video using Expression Encoder 4.0.
As you can see in the video, the left ...
3
votes
1answer
2k 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 ...
2
votes
0answers
274 views
problems encoding 1080p60fps MTS files with ffmpeg to DNxHD proxy; plays too slow in NLE compositor window.
I was advised to encode my HD files with ffmpeg to DNxHD proxy with 220M bitrate rather then 45M so the image doesnt have too much artifacts. I reduced the framerate to 29.97 fps when I encoded the ...
1
vote
1answer
162 views
“Debut video capture” directly encoding to webm?
I've bought Debug Video Capture and I've quite some codecs to choose from for encoding (.e.g h264, mpeg4, etc.). System is W7 Pro x64.
However I'm missing webm badly. I know I can just use ffmpeg or ...
3
votes
3answers
3k views
Opening a AAC/h264 file in Sony Vegas Movie Studio HD Platinum 11.0
I have encoded some videos using mencoder, with AAC and h.264. Sony vegas cannot open the files, without any explanation. Here is what Gspot tells me about the videos :
To encode the videos I have ...
