sergiotarxz/libvips
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fix jxload restart

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if the loader was restarted (eg by vipsdisp) it could fail to fetch pixels
This commit is contained in:
John Cupitt 2021-10-01 12:36:02 +01:00
parent 6a53ab47e1
commit 33cca3ecbc
1 changed files with 13 additions and 0 deletions
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13
libvips/foreign/jxlload.c
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@ -2,6 +2,8 @@
* *
* 18/3/20 * 18/3/20
* - from heifload.c * - from heifload.c
* 1/10/21
* - reset read point for _load
*/ */
/* /*
@ -627,6 +629,17 @@ vips_foreign_load_jxl_load( VipsForeignLoad *load )
if( vips_foreign_load_jxl_set_header( jxl, t[0] ) ) if( vips_foreign_load_jxl_set_header( jxl, t[0] ) )
return( -1 ); return( -1 );
/* We have to reset the reader ... we can't reply onb the read point
* being left just after the header.
*/
if( vips_source_rewind( jxl->source ) )
return( -1 );
if( vips_foreign_load_jxl_fill_input( jxl, 0 ) )
return( -1 );
JxlDecoderSetInput( jxl->decoder,
jxl->input_buffer, jxl->bytes_in_buffer );
/* Read to the end of the image. /* Read to the end of the image.
*/ */
do { do {