The process and techniques used when storing moving images, sound, metadata and other streams as a digital file.

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1answer
102 views

how to Rotate a 3gp video without re-encoding

I created a video in my cellphone holding the phone in portrait mode. The video is 720p and it looks perfectly fine in cell phone. I copied it on computer and when viewing it, the video looks 90 ...
0
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0answers
26 views

Why is audio generated by avconv choppy?

I am using avconv to generate an AV stream, and the video is perfect, but the audio is very choppy using iOS Safari. Can anyone tell me what is wrong with my audio stream that's causing this? When ...
1
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0answers
11 views

How to see encoding progress in Compressor 4.1.3

Is there really no way to see progress of an encoding job in Apple Compressor 4.1.3? I started a batch (single job, one file) and this is all I see: My fan is blowing at full speed so I guess ...
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0answers
25 views

Fast encoding with ffmpeg

I know about presets but faster presets lose the video quality. Are there any hardware requirements I need to consider? Or are there any settings that I need to tweak? And lastly where do I place the ...
2
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1answer
104 views

Reasons for using DNxHD instead of ProRes?

I often use ProRes or DNxHD codec without any thoughts, because the quality is very similar, even though the code and the compression algorithm certainly is very different. I would like to know in ...
3
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0answers
29 views

Adobe Encoder fps and duration doesn't match

I have After Effects project file 25 fps, 29 seconds duration long. After exporting i get 725 png files - looks normal so far. But then i merge it to mp4 using Adobe Encoder, I get total 24 seconds ...
1
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1answer
34 views

After Effects - output formats

Why do I only have these formats in my output? Where's Windows Media Format?
3
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2answers
61 views

Upscaling or downscaling videos

I was wondering, is upscaling from the videoplayer worse then upscaling the video during encode? For example, consider the original source of a video is 640 x 480. Which of the following will produce ...
3
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4answers
631 views

Minimal working frame rate for H264 codec

When making a video from single image files whereas each image file should be visible for about one second, it does make sense to encode a video with an extremely low frame rate such as 1 frame per ...
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2answers
86 views

What is the difference between AVCHD and ProRes in terms of quality?

Depending on the project and the camera of course I often have to work with ProRes or AVCHD codecs without any thoughts. I assume that the code and the compression algorithm certainly is very ...
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2answers
295 views

mp4 video exported from x265 does not play

I use x265 to encode a video and the output is mp4. Unfortunately, this file is not playable by any program. The input video is yuv if that matters. Do you know which the problem might be? Thank ...
1
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1answer
52 views

H.264 encoding in PowerDirector 10

I want to make videos for youtube, and I want to encode my videos in MPEG-4, but the PowerDirector 10 says that I need to activate the video codification by hardware and I activated it in the ...
4
votes
3answers
106 views

Is it possible to encode video using the same codec and container but different parameters for different scenes?

I know that it's very hard to find out best encoding parameters for a whole video file. Wouldn't it be easier to just go through the video and find out the best parameters for different parts (or ...
2
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2answers
54 views

Is there an existing video format that records per-frame metadata?

I wish to stream a video with dynamic metadata. I know I could just steam the video and metadata separately, but ideally I'd like them to be bound permanently. Is there an existing protocol / ...
2
votes
2answers
5k views

Adobe After Effects MP4 Export Issue

I'm trying to export a composition from Adobe After Effects. My Comp is 1280x720, and ideally I'd export with an mp4 container, and h264 video codec. Problem is, After Effects is giving me a PAR ...
1
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2answers
54 views

Encoding Video For Archiving Using Premiere Pro CS6

I have a set of videos created in Premiere Pro C6 and currently I am encoding them in h264 for YT upload. The raws were taken using a Canon 700D @ 720p60. I was wondering what is the best encoding ...
2
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1answer
37 views

Multiple video encoding loss

It's easier to explain my question using an example. Imagine you filmed a few short videos and want to combine them together in a sequence (probably with transitions and etc.). However, for some of ...
1
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1answer
28 views

Player support for video DVD stored on a CD-R?

I want to produce many playable DVDs using a few burners (setting up a computer lab with each computer having an image of the same) I have close to no budget for this and am curious if a standard CD ...
1
vote
3answers
669 views

For a given bitrate, what video resolution is perceived as the highest quality?

I'd like to achieve certain approximate bitrate for video encoding. If I use higher resolution like 720p, I'll get more fine-grained image, but more encoding artifacts. If I use smaller resolution ...
4
votes
4answers
539 views

How to encode apple ProRes on windows or linux?

Is it also possible to encode video with Apple ProRes on windows and linux?
3
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1answer
3k views

How to force Adobe Media Encoder to use 100% CPU and memory?

On my machine, Adobe Media Encoder is very slow. It takes 12 hours to render 4 minutes of 1080p video for YouTube (the video is based on Adobe After Effects project with an original MOV file and four ...
5
votes
1answer
218 views

Creating menu for a video file (not for DVD)

I need to create a menu for a video, which will be written onto a disk not in a DVD format, but as a single file (f.e. mp4). The problem is that programs such as Adobe Encore are not able (as far as ...
1
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1answer
27 views

Exporting to multiple formats

these days we usually have to export our videos to multiple delivery formats - HD variants for projection, and we tend to have different settings for vimeo, youtube, and the other versions we might ...
2
votes
1answer
597 views

How to specify CRF quality settings for different encoding software

Is there a way of specifying a quality setting for h.264 that is not software dependant? I'm trying to help a colleague create a specification for outside contractors when they deliver video to us ...
0
votes
1answer
116 views

Variable Bitrates for Streaming?

I'm building presets for our users to convert the videos into an appropriate format for our online video repository. Since it's been awhile since I've built something like this from scratch, I've been ...
0
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1answer
2k views

Faster deinterlacing with ffmpeg and yadif

We are using two-step encoding with ffmpeg to encode raw .mov files to multiple .mp4 encodings ready for streaming over the Internet. Some of the videos are interlaced and we are using yadif to ...
0
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1answer
168 views

What do I need to learn in order to repair an ogv or ogg video that is defective? Where to start?

I recorded a video chat session with recordmydesktop in linux, but it is somehow defective. I give more details in a (big) footnote down here. I badly need to repair and play that video. Please put ...
3
votes
3answers
6k views

Why is Adobe Media Encoder so slow?

I have a 2.5 hour corporate event that I edited in Premiere Pro. There are AE clips, sound, imported video, the works. When I run it out to AME, the source resolution is 1440x1080 and I am ...
3
votes
3answers
101 views

how to add video title without re-encoding the video

How can I add a video title, in the start of a video, without re-encoding the actual video and losing the quality? is it possible in iMovie or Adobe Premiere Pro ? or even any Windows software? is it ...
1
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2answers
1k views

Why processor is “better” for encoding than GPU?

I was reading this article and I saw that a CPU is better for video compression than a GPU. The article only says that happens because the processor can handle more complex algorithms than the GPU, ...
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0answers
10 views

ConvertXtoDVD5 saying Project size is too big

Basically, I have a folder containing some video files, the entire folder, according to Windows, is 1.98GB. I am using ConvertXtoDVD5 with the plans of burning these files to a disc, the target size ...
1
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4answers
577 views

What is the most compatible compression/Codec to in Handbrake use for video that will be played in Chrome and Safari browsers?

I am going to re-sample a bunch of videos to be played through web browsers. (Current video is large, 3 MB for a 4s clip. Hoping to compress by 90%). Use: These videos will be played in a web-based ...
8
votes
4answers
17k views

How to losslessly encode a jpg image sequence to a video in ffmpeg?

I have a large set of jpgs that I want to convert to a video losslessly (or, at the very least, very close to losslessly as long as the encoding time isn't much higher than otherwise). Naively, I ...
0
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3answers
185 views

Good Intermediate Format for Combining Videos

I have a bunch of PNG files in separate directories that I'll turn into videos with FFMPEG. Say each clip will be a minute long. I then want to stitch those together into a final video. The final ...
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0answers
601 views

Lossless Editing by Combining Clips with FFmpeg x264

My new Canon Vixia HF G30 video camera has an option to encode directly to 35 Mbit/sec Mp4 at 1080p60 and it does a nice job. I primarily use it to record my daughter's high school basketball games. ...
2
votes
3answers
180 views

Video Encoding - Wasting Space

I am facing a common issue that I cannot find a term to describe: I have a few low quality VHS rips that were encoded with a certain Apple ProRes codec (irrelevant in the context of this particular ...
2
votes
3answers
75 views

Is reencoding a YUV 4:2:0 video in a 4:2:0 colour space lossless?

I have a video that is stored in the YUV 4:2:0 colour space. Assuming I used a lossless video codec but set the output colour space to YUV 4:2:0, would this still be a lossless encode or would I have ...
3
votes
2answers
421 views

Add image under the video with ffmepg

I want to extend basic usage of watermark and put it under the video. That means. I have input video 720x480 and image 720x20. On output i want to have video 720x500 where video aspect is preserved ...
1
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3answers
242 views

What setup do I need to record and render at the same time?

I need help figuring out how to record while my computer is rendering. I am very new to video editing, so this is my current workflow. First, I record footage using Fraps (30 fps, 1080p, .avi). I ...
2
votes
1answer
56 views

Why doesn't the duration of a Premiere Pro encoding scale linearly?

I have a long sequence (canon dslr and titles) (1hour) and as a test export 1 minute at h264 Blu-ray pre-defined setting (pal 1920x1080, upper field, low quality). This takes approx 1 minute to ...
1
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0answers
93 views

How to get ffmpeg/x264 to use same parameters as input?

I'm trying to accomplish a smart rendering workflow using ffmpeg/x264. In short, get ffmpeg to segment the input file. Locate the segment(s) with changes to be made. Re-encode altered segments with ...
0
votes
1answer
151 views

Saving disk space, but not quality

I'm pretty new at this... I captured my analog 8mm video tapes in .avi, planning to edit them with Premier. But I need to make space in my external hard drive. I have the Adobe Encoder, but I'm ...
1
vote
1answer
173 views

Letterbox when converting 4k to 1080p

Got handed a pile of stock footage downloaded from various sites. And found one clip is 4k ( 4096x2160) I put it into AME to reexport it as DNx115 but when I set it to 1920x1080 23.976 I see ...
1
vote
1answer
90 views

What parameters should I select to get a high quality voice .wav file?

I'm trying to generate a high quality .wav voice-over using Microsoft Speech API. What should be the values of following parameters (they are part of this constructor): int samplesPerSecond, int ...
2
votes
3answers
60 views

Looking for a suitable lossy video codec to quickly record video in-game

I'm working on integrating a video recording functionality inside of a game, so that game footage can be automatically encoded to video and shared online from within the game. Currently I've ...
2
votes
0answers
5k views

2GB vs 4GB Graphics card Memory for playback and encoding of Videos in Adobe Premiere CC [duplicate]

While looking into buying a new graphics card for the editing, live playback and encoding of videos in the new 64bit Premiere Pro CC, I was wondering about: 1) how and when a graphics card's ...
1
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2answers
286 views

ffmpeg re-encode libx264 without quailty loss?

According to the documentation for libx264 (h264) encoding, we can use a preset of veryfast, faster, fast, medium, slow, etc. https://trac.ffmpeg.org/wiki/Encode/H.264 ...for constant quality ...
2
votes
3answers
420 views

h264 settings for large flat areas of slowly changing colour

I'm doing an animation for a projection mapping that simulates the sun casting shadows on a structure as it moves through the sky. Basically it's just big flat areas of colour that change over about ...
2
votes
1answer
610 views

YouTube Compression: Why?

There's a lot of advice on the internet on encoding settings to apply to your video before uploading to YouTube (https://support.google.com/youtube/answer/1722171?hl=en, ...
1
vote
1answer
21 views

Large avi not playing to the end

I have recorded a 20 minutes game session from Minecraft using Kazam and saved the result as a 80 gig avi. When I try to open the file though only the first 8-9 minutes are played. Selecting it as a ...