non port: multimedia/y4mscaler/distinfo |
Number of commits found: 6 |
Sunday, 3 Jul 2011
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13:38 ohauer
- remove MD5
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Monday, 12 Dec 2005
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15:09 ahze
- Update to 9.0
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Wednesday, 9 Nov 2005
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07:09 ahze
- Add SHA256
- Add SIZE to a few ports
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Thursday, 14 Jul 2005
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07:36 ahze
- Update to 8.1
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Wednesday, 11 Aug 2004
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18:44 vs
Update to 0.6.2
PR: ports/70043
Submitted by: Michael Johnson (maintainer)
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Friday, 26 Mar 2004
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09:03 pav
Add y4mscaler, a general-purpose video scaler which operates on YUV4MPEG2
streams, as produced and consumed by the MJPEGtools such as lav2yuv and
mpeg2enc(1).
y4mscaler is meant to be used in a pipeline. Thus, input is from stdin, and
output is to stdout. The essential function of y4mscaler is to scale a
specified "active" region of the input stream (the source) into a specified
active region of the output stream (the target). Pixels outside of the active
region of the source are ignored; pixels outside of the active region of
the target are filled with a background color. The source may additionally
have a matte applied to it; pixels outside the source matte are set to a
separately specified background color.
y4mscaler correctly handles chroma sampling, and thus it can also perform
chroma subsampling conversions. The YUV4MPEG2 stream format currently only
supports 4:2:0 subsampling, although y4mscaler can process 4:1:1, 4:2:2, and
4:4:4 modes by abusing the YUV4MPEG2 format a bit.
Includes preset parameters for popular output streams: DVD, SVCD, VCD, DV,
CVD, and SVCD/VCD still images.
PR: ports/63962
Submitted by: michael johnson <ahze@ahze.net>
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Number of commits found: 6 |