0
votes
0answers
62 views

video - BluRay movies and HEVC (H.265)

Having recently read about HEVC made me raise a few questions about video codecs and BluRay movies. I'm aware BDs support a few video codecs (MPEG-2, MPEG-4 AVC and SMPTE VC-1, according to bluray.com ...
0
votes
0answers
229 views

I want Adobe QT32 Server.exe to use no more than 21 threads

I need to impose this limit because quicktime or rather "Adobe QT32 Server.exe" will crash when trying to export H.264 .mov files. Personally, I would just choose a different codec but I work at an ...
2
votes
2answers
497 views

How Video4Linux and ALSA work with Codecs

My understanding is that a codec is both a decoder and a specification for decoding. So some group writes a codec which explains how to decode from their format back into the raw bitstream, and they ...
2
votes
0answers
2k views

Stream video with FFMPEG, “Output file does not contain any stream”

I would like to stream an H.264 encoded elementary stream wrapped in RTP headers to a port using FFMPEG. I have tried the following command lines to no avail... ffmpeg -i 1080p_1.h264 -f rtp -vcodec ...
3
votes
2answers
3k views

Video encoding: How much does the video file size increase with fps?

Given that the next blockbusters of e.g. Peter Jackson (The Hobbit) and James Cameron (Avatar 2) are going to be shot with a frame rate of 48 fps (or even more) - i.e. more than the usual 24 fps - I ...
0
votes
1answer
2k views

Why does lossless video compression cause the file size to go way up?

I have a 200MB AVI that I'm trying to add hardsubs to. I'm using VirtualDub to do it. I selected the H264 lossless codec for compression. The resulting file is 800MB. Why does this happen? Is there a ...
2
votes
3answers
343 views

What is this video format, and how do I convert It

Description I have a big (7.4G) .mkv file (1080p) which I want to convert to H.264 (using x264) Problem MediaCoder and GSpot are unable to detect the codec. They don't display anything. Just that ...