yuvplay.1

Motion JPEG编解码器源代码

.TH "yuvplay" "1" "8 April 2002" "MJPEG Linux Square" "MJPEG tools manual"

.SH NAME
yuvplay \- Display YUV4MPEG2 streams (using SDL)

.SH SYNOPSIS
.B yuvplay
.RB [ options ]

.SH DESCRIPTION
\fByuvplay\fP produces on-screen playback of a YUV4MPEG2 stream
which is provided to stdin, typically through piping from the stdout of
\fBlavpipe\fP(1), \fBlav2yuv\fP(1), \fBmpeg2dec\fP(1) or a similar
program.  It should be noted that for pure
playback lavplay should be a superior option.  yuvplay is intended
primarily as a debugging or diagnostic utility when setting up video
processing pipelines.  

.SH OPTIONS
\fByuvplay\fP accepts the following options:
.TP 8
.BI \-s \ WxH
The size of the SDL window.  By default, it uses the size of the 
input video stream scaled to yield 1:1 pixels (using the sample aspect ratio
encoded in the stream header).
However, you can specify any size you want.
WxH is the width x height of the scaled window.

.TP 8
.BI \-t title
Set the window title.

.TP 8
.BI \-f " num"
Override the framerate specified in the input stream header.

.TP 8
.BI \-c
By default, yuvplay will try to play at the framerate of the input movie.
With this option, yuvplay will just play all the frames as fast as it can.

.TP 8
.BI \-v \ [0, 1, 2]
Set the verbosity of user feedback.  Default is "1":  errors, warnings, and
info messages.

.SH AUTHOR
This man page was originally written by Ronald Bultje (and since edited
by Matt Marjanovic).
.br
If you have questions, remarks, problems or you just want to contact
the developers, the main mailing list for the MJPEG\-tools is:
  \fImjpeg\[e-mail]\fP

.TP
For more info, see our website at
.I http://mjpeg.sourceforge.net/

.SH SEE ALSO
.BR mjpegtools (1),
.BR lavpipe (1),
.BR lav2yuv (1)
.BR lavplay (1)