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fix subsample at the command-line

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it had the SEQ flag set, causing confusion with vips_sequential() when
it skipped scanlines on startup

see https://github.com/jcupitt/libvips/issues/370
This commit is contained in:
John Cupitt 2016-01-22 14:37:42 +00:00
parent 9b968491d3
commit c7eb88b87f
2 changed files with 6 additions and 1 deletions
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1
ChangeLog
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@ -6,6 +6,7 @@
- fix to "make check" in non-C locales [felixbuenemann] - fix to "make check" in non-C locales [felixbuenemann]
- use builtin isnan isinf when possible [Lovell Fuller] - use builtin isnan isinf when possible [Lovell Fuller]
- tune vips_shrinkh(), 30% faster [Lovell Fuller] - tune vips_shrinkh(), 30% faster [Lovell Fuller]
- remove SEQ hint from vips_subsample(), fixes cli performance [erdmann]
1/1/16 started 8.2.1 1/1/16 started 8.2.1
- add a compat stub [Benjamin Gilbert] - add a compat stub [Benjamin Gilbert]

6
libvips/conversion/subsample.c
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@ -13,6 +13,8 @@
* - redo as a class * - redo as a class
* 2/11/13 * 2/11/13
* - add @point to force point sample mode * - add @point to force point sample mode
* 22/1/16
* - remove SEQUENTIAL hint, it confuses vips_sequential()
*/ */
/* /*
@ -265,7 +267,9 @@ vips_subsample_class_init( VipsSubsampleClass *class )
vobject_class->description = _( "subsample an image" ); vobject_class->description = _( "subsample an image" );
vobject_class->build = vips_subsample_build; vobject_class->build = vips_subsample_build;
operation_class->flags = VIPS_OPERATION_SEQUENTIAL; /* We don't work well as sequential: we can easily skip the first few
* scanlines, and that confuses vips_sequential().
*/
VIPS_ARG_IMAGE( class, "input", 0, VIPS_ARG_IMAGE( class, "input", 0,
_( "Input" ), _( "Input" ),