[FFmpeg-cvslog] doc/scaler: indicate some options as API only.

[Gyan Doshi]

ffmpeg | branch: master | Gyan Doshi <ffmpeg at gyani.pro> | Fri May 17 13:20:04 2019 +0530| [c3458f06f406dc20e4edbdbf808b47d167e8c2bf] | committer: Gyan Doshi

doc/scaler: indicate some options as API only.

srcw, srch, dstw, dsth, src_format and dst_format were blocked for
CLI use in a0af9fd954 in order to fix ticket #4856

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c3458f06f406dc20e4edbdbf808b47d167e8c2bf
---

 doc/scaler.texi | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/doc/scaler.texi b/doc/scaler.texi
index f73804adfe..492e021229 100644
--- a/doc/scaler.texi
+++ b/doc/scaler.texi
@@ -5,7 +5,8 @@
 The video scaler supports the following named options.
 
 Options may be set by specifying - at var{option} @var{value} in the
-FFmpeg tools. For programmatic use, they can be set explicitly in the
+FFmpeg tools, with a few API-only exceptions noted below.
+For programmatic use, they can be set explicitly in the
 @code{SwsContext} options or through the @file{libavutil/opt.h} API.
 
 @table @option
@@ -68,22 +69,22 @@ Select full chroma input.
 Enable bitexact output.
 @end table
 
- at item srcw
+ at item srcw @var{(API only)}
 Set source width.
 
- at item srch
+ at item srch @var{(API only)}
 Set source height.
 
- at item dstw
+ at item dstw @var{(API only)}
 Set destination width.
 
- at item dsth
+ at item dsth @var{(API only)}
 Set destination height.
 
- at item src_format
+ at item src_format @var{(API only)}
 Set source pixel format (must be expressed as an integer).
 
- at item dst_format
+ at item dst_format @var{(API only)}
 Set destination pixel format (must be expressed as an integer).
 
 @item src_range