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doc/codecs: extend documentation for thread_type option 

Based on avcodec.h documentation.
This commit is contained in:
Stefano Sabatini 2014-06-09 19:02:53 +02:00
parent cc0057a31c
commit 8c44376799
1 changed files with 13 additions and 2 deletions
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doc/codecs.texi
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@ -1035,15 +1035,26 @@ Set the log level offset.
Number of slices, used in parallelized encoding.
@item thread_type @var{flags} (@emph{decoding/encoding,video})
Select multithreading type.
Select which multithreading methods to use.
Use of @samp{frame} will increase decoding delay by one frame per
thread, so clients which cannot provide future frames should not use
it.
Possible values:
@table @samp
@item slice
Decode more than one part of a single frame at once.
Multithreading using slices works only when the video was encoded with
slices.
@item frame
Decode more than one frame at once.
@end table
Default value is @samp{slice+frame}.
@item audio_service_type @var{integer} (@emph{encoding,audio})
Set audio service type.