[FFmpeg-cvslog] r15358 - trunk/doc/swscale.txt
diego
subversion
Thu Sep 18 10:10:13 CEST 2008
Author: diego
Date: Thu Sep 18 10:10:12 2008
New Revision: 15358
Log:
small wording fixes
Modified:
trunk/doc/swscale.txt
Modified: trunk/doc/swscale.txt
==============================================================================
--- trunk/doc/swscale.txt (original)
+++ trunk/doc/swscale.txt Thu Sep 18 10:10:12 2008
@@ -49,11 +49,11 @@ Main path
Input to YUV Converter
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
- 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
- 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.
Horizontal scaler
@@ -62,8 +62,8 @@ Horizontal scaler
using specially tuned pshufw instructions.
The remaining scalers are specially-tuned for various filter lengths.
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
- that preserves the input precision.
+ Future >8 bits per component inputs will need to add a new horizontal
+ scaler that preserves the input precision.
Vertical scaler and output converter
There is a large number of combined vertical scalers + output converters.
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