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small wording fixes 

Originally committed as revision 15358 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Diego Biurrun 2008-09-18 08:10:12 +00:00
parent b30cb420cf
commit 4d6a1161c7
1 changed files with 5 additions and 5 deletions
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10
doc/swscale.txt
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@ -49,11 +49,11 @@ Main path
Input to YUV Converter Input to YUV Converter
When the input to the main path is not planar 8 bits per component YUV or When the input to the main path is not planar 8 bits per component YUV or
8-bit gray then it is converted to planar 8-bit YUV. 2 sets of converters 8-bit gray, it is converted to planar 8-bit YUV. Two sets of converters
exist for this currently: One performs horizontal downscaling by 2 exist for this currently: One performs horizontal downscaling by 2
before the conversion, the other leaves the full chroma resolution before the conversion, the other leaves the full chroma resolution,
but is slightly slower. The scaler will try to preserve full chroma but is slightly slower. The scaler will try to preserve full chroma
here when the output uses it. It is possible to force full chroma with when the output uses it. It is possible to force full chroma with
SWS_FULL_CHR_H_INP even for cases where the scaler thinks it is useless. SWS_FULL_CHR_H_INP even for cases where the scaler thinks it is useless.
Horizontal scaler Horizontal scaler
@ -62,8 +62,8 @@ Horizontal scaler
using specially tuned pshufw instructions. using specially tuned pshufw instructions.
The remaining scalers are specially-tuned for various filter lengths. The remaining scalers are specially-tuned for various filter lengths.
They scale 8-bit unsigned planar data to 16-bit signed planar data. They scale 8-bit unsigned planar data to 16-bit signed planar data.
Future >8 bits per component inputs will need to add a new scaler here Future >8 bits per component inputs will need to add a new horizontal
that preserves the input precision. scaler that preserves the input precision.
Vertical scaler and output converter Vertical scaler and output converter
There is a large number of combined vertical scalers + output converters. There is a large number of combined vertical scalers + output converters.