Henk Schoneveld belca...@zonnet.nl added the comment:
If my brains serve me well, all video codecs become multithreaded this way.
Which brings audio-only files to mind. Do they have a GOP-like substitute?
FFmpeg issue tracker
Michael Niedermayer michae...@gmx.at added the comment:
On Wed, Jul 21, 2010 at 07:50:20AM +, Henk Schoneveld wrote:
If my brains serve me well, all video codecs become multithreaded this way.
Which brings audio-only files to mind. Do they have a GOP-like substitute?
each audio frame is
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title: GOP-based multithreading(h264 encoding performance boost of 78%) -
GOP-based multithreading(h264 encoding performance boost of 78%)
FFmpeg issue tracker iss...@roundup.ffmpeg.org
https://roundup.ffmpeg.org
Michael Niedermayer michae...@gmx.at added the comment:
On Tue, Jul 20, 2010 at 03:41:35PM +, Henk Schoneveld wrote:
Status is needs_more_info. What additional info is needed ?
A patch ;)
[...]
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title: GOP-based multithreading(h264 encoding performance boost of 78%) -
multithreading(h264 encoding performance boost of 78%)
FFmpeg issue tracker iss...@roundup.ffmpeg.org
https://roundup.ffmpeg.org/issue2114
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title: GOP-based multithreading(h264 encoding performance
Carl Eugen Hoyos ceho...@rainbow.studorg.tuwien.ac.at added the comment:
Fix Status.
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priority: normal - wish
substatus: needs_more_info - open
title: GOP-based multithreading(h264 encoding performance boost of 78%) -
GOP-based multithreading(h264 encoding performance boost of 78%)
Michael Niedermayer michae...@gmx.at added the comment:
Btw this can be implemented both in ffmpeg.c as well as a script
calling ffmpeg.
FFmpeg issue tracker iss...@roundup.ffmpeg.org
https://roundup.ffmpeg.org/issue2114
New submission from Henk Schoneveld belca...@zonnet.nl:
At the moment -threads 0 function doesn't scale well, 8 Cores ~ 350%, so about
45% efficiency. With GOP-based encoding ~ 80% can be achieved. I've tested this
by splitting DVB-S BBC-HD 1080i source-file in 3sec segments and with the help
of
Carl Eugen Hoyos ceho...@rainbow.studorg.tuwien.ac.at added the comment:
Do you mean the x264 (the executable) scales better than ffmpeg -vcodec libx264?
In this case, two command lines (with time and -benchmark) and output is
missing.
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status: new - open
substatus: new -
- needs_more_info
FFmpeg issue tracker iss...@roundup.ffmpeg.org
https://roundup.ffmpeg.org/issue2114
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title: GOP-based multithreading(h264 encoding performance boost of 78%) -
GOP-based
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