A 'coder-decoder' computer program capable of encoding and/or decoding a digital data stream or signal.
7
votes
2answers
545 views
What codec will my Youtube uploads be output in and what codec should I use to upload?
Related to What codecs/formats are appropriate for full motion video recording for youtube? I'm wondering exactly how I can expect Youtube to handle my videos. I know they have a rather zealous ...
5
votes
1answer
147 views
What codecs/formats are appropriate for full motion video recording for youtube?
I'm recording video game footage via lossless methods, after which I need to compress them and upload them to youtube. I'm not sure which format and/or codecs are best for this. I've been ...
5
votes
2answers
3k views
The ProRes of Premiere Pro?
I'm going to be editing more and more DSLR videos, most notably music videos for my band as we start releasing singles and want to know if there is an intermediate format for both cutting and ...
5
votes
2answers
150 views
I changed the .mp4 extension of my video to .mpg and it still opens and plays fine (in VLC and in Windows Media Player). Why is this so?
I'm uploading a file to an external system that accepts only mpg or mpeg extension files. I had a mp4 file so I changed the mp4 extension to mpg and I was able to upload the file into the system. ...
5
votes
2answers
160 views
What video codecs can provide “adaptive quality”?
Background:
I am trying to compress lossless bluray tracks to a more storage friendly size without a huge loss in quality.
What I've been doing thus far:
Exploring compression options with ffmpeg. ...
5
votes
3answers
2k views
Best H.264 settings for low bit-rate streaming video
I'm looking to stream some video from Flash Media Live Encoder with a video bitrate of around 150 Kbit/sec and audio of 50 Kbit/sec. The video will contain quite a lot of movement which I want to try ...
4
votes
1answer
127 views
Determining streaming container format
I'm completely new to video/audio formats, containers, and protocols. However, I have to figure out how to decode a bitstream that contains audio and video. I do not know the transport protocol, ...
4
votes
2answers
3k views
Best Lossless Video Encoder For Editing
I'm looking for a good video encoder to compress HD files for editing within Sony Vegas Pro and Adobe After Effects.
What video codec would provide the fastest possible encoding and decoding? Also, ...
4
votes
1answer
310 views
Is there ANY software that will play the lossless part of HD-AAC (aka MPEG-4 SLS)?
People under the stairs just released a new album called Highlighting using a new codec called HD-AAC (also known as MPEG-4 SLS) that was created by Fraunhofer.
Basically it's a file that contains ...
3
votes
2answers
40 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 ...
3
votes
1answer
47 views
Mp3 codec reencoding effects
Does encoding a low bit rate (say 128 kbps) Mp3 from a 320 kbps Mp3 produce the same thing as encoding it from the original lossless? Or does the way Mp3 work mean that the losses compound on each ...
3
votes
2answers
199 views
Automatic conversion/encode video for Video On Demand streaming
I need an automatic solution to convert video clips for html5 (mp4/x264, webm/vp8) and flash (mp4/x264) video-on-demand streaming. For a site like Youtube, just much smaller.
The input files are ...
3
votes
1answer
45 views
What are good resources to learn the production side for an end-user focused software guy?
I'm a software developer type of person who works a lot with systems that stream media (movies, music videos etc) to end-users over various channels. I know a lot about video files and how to play ...
3
votes
1answer
304 views
Very Good Free Lossless/Lossy Video Encoding For Editing on Windows 7 (regarding fraps recordings)
I am looking for a very good method to encode video recorded with fraps in 1080p into an intermediate format which I can edit in Avid Studio. Most video files load up into Avid, as far as I know, but ...
2
votes
3answers
166 views
What's the best ubiquitous format for compressed voice audio?
I'm sharing records from phone conferences on my website, and would like to save space. It would be nice if I could use speex as I get about 5:1 compression compared to mp3. However most people would ...
2
votes
1answer
37 views
How does GSpot calculate “Recommended display size”
I've got a video and I thought it's size was 640x480 and this is shown on GSpot.
However also in the container section of GSpot it is saying
Recommended Display Size: 853 x 480
does anyone know ...
2
votes
1answer
97 views
How do I prevent Quality loss in the beginning of a video?
My company transcodes videos sent in by users (recorder by our own screenrecording software)
I use FFMpeg to do the work using this command:
/ffmpeg/ffmpeg -i in.mov -vcodec libx264 -fpre ...
2
votes
4answers
119 views
How to figure out video format by video sample?
I have a video file (30Mb) in some unknown format, hex dump of its header looks like this:
0000000 78 55 52 30 09 10 02 0a 00 00 09 09 22 93 00 39
0000020 00 00 00 00 bd 09 ...
2
votes
2answers
138 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 ...
2
votes
1answer
44 views
Satellite DVR: Cant play recording on computer
I have a Satellite STB which saves .mpg files.
I can't play them through vlc and avidemux gives me a blurred output?
Is there any way I can edit these recordings?
EDIT: Here is a link to a very ...
2
votes
3answers
280 views
Recommendable production codecs for Adobe video products
I'm currently searching for new codecs that are better suited for production than the ones we are currently using. So far we used QuickTime Animation and PhotoJPEG. The latter always proved as ...
2
votes
1answer
69 views
Which cameras produce video that can be edited on a mac without transcoding?
My old video camera is a Samsung HMX-H104. I love its time lapse video modes, but hate the fact that Samsung's bogus codec causes Quicktime (and also iMovie) to play Samsung recorded video at twice ...
2
votes
1answer
489 views
Choosing the right format/codec for export
I have a few recordings from my Canon IXUS 90 IS that I have combined into one sequence. I am using this small project as a way to get to know Adobe Premiere Pro CS5.
The pieces of video from the ...
2
votes
2answers
347 views
Problem exporting a mixture of PAL and ProRes 422 in FCP
I have a FCP sequence made of a mixture of ProRes 422 and PAL clips. As soon as I export it using "QuickTime Movie" (Apple ProRes 422 PAL 48KHz option), the quality of the ProRes clips is superb, but ...
2
votes
0answers
86 views
How do LPC encoders work
I asked this question on the DSP forum and got a reasonable answer but the answer was very technical and was wondering whether someone could give me a more general idea of how it works. My ...
1
vote
2answers
155 views
Any video editing software with own codecs?
I just tried the new Lightworks and even though I followed the installation instructions rigorously I managed to hit codec problems.
Is there any (preferably proprietary) video editing software with ...
1
vote
2answers
479 views
How can I encode audio with Nero AAC Encoder using Mac OS X?
The Nero AAC Encoder encoder is far superior sound-wise to libfaac that comes with ffmpeg, but the encoder is only available for Windows. How can I encode using this encoder on Mac OS X?
Other, even ...
1
vote
1answer
208 views
Which decoder allows for fast seeking or how to configure k-lite codec pack?
I am using mostly Haaly Media Splitter for input and ffdshow for decoding (libavcodec).
Actually I am ok with the default profile 7 installation of k-lite codec pack.
At the moment I have the default ...
1
vote
1answer
100 views
Unable to render file larger than 4 Gigs in Sony Vegas 10
I have wasted over 8 hours trying to figure out what is wrong my program. I am trying to render a 30 minute file in high quality HD using the Main Concept codec, but as soon as it reaches 100% I get ...
1
vote
0answers
9 views
TitleBox .seq2 animation files
I am using TitleBox for dynamic graphic animations.
There are several was to play an animation in this tool, but the "safest" seems to be the internal "animation file" object, which comes with a tools ...
1
vote
0answers
364 views
Simple editing without re-encoding from the GoPro AVC codec?
Im looking for a fast workflow, where i can take my gopro video files, make simple cuts (no transisions, no effects, no audio manipulation), and cut them together into a clip and then export that edit ...
1
vote
0answers
42 views
SWA (Shockwave Audio) files
Are there any free tools that can be used to create SWA files (for recording from microphone input)? Or are there any free tools that can convert other audio formats (MP3, WAV, etc) to SWA? Can be Mac ...
1
vote
0answers
126 views
Which container format for ProDVX F150
I need to produce a video that can be played by a ProDVX F150 (a small black box device which plays video from a flash card). It's hard to find real specs for this thing, but webshops say it does:
...
0
votes
1answer
50 views
poor quality export of still images from premiere
This is the actual source image to a video track in Premiere (a PNG):
With no resizing whatsoever, and .flv output, this is a resultant frame from the exported video:
How could I improve the ...
0
votes
1answer
1k views
Encoding DNxHD using ffmbc
I have decided to re-encode my footage as DNxHD for editing. I am using ffmbc (downloaded here) to do the encoding. My source footage is HDV 1080i50.
Therefore I think the best format to trancode ...
0
votes
1answer
322 views
Learning Codec Implementations in C programming
There are lots of books on the subject but all give theoratical information. I want to learn implementation by examples. Is there any book/tutorial/article that explains implementation of CODECS using ...
0
votes
1answer
89 views
Codec information application
I need to get video/codec information from several files (avi, matroska etc).
Is there any alternative to GSpot?
GSpot is outdated with lack of support for mkv, ogm, 264 ...
I already know MediaInfo ...
0
votes
2answers
122 views
What could be causing these strange MP4 video playback corruptions on some machines?
(Note: the video is a screencast hence the desktop icons, that's not actually the desktop of the machine having the error.)
We are using JWPlayer, and we rarely have this issue, but on it is ...
0
votes
2answers
113 views
Scaling optimal video frame dimensions
I'm trying to setup my site to store uploaded user content in a 640x360 frame size, which will be presented back for viewing in that frame size and in a smaller frame size.
I'm trying to understand ...
