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libvips
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input works 

this works now:

	cat k2.jpg | vips invert - x.jpg

output next
This commit is contained in:
John Cupitt 2019-10-11 07:51:43 +01:00
parent 442720a0a1
commit ad822109d4
3 changed files with 15 additions and 13 deletions
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3
libvips/foreign/foreign.c
View File

@ -661,12 +661,9 @@ vips_foreign_find_load_stream( VipsStreamInput *input )
input, NULL )) ) {
vips_error( "VipsForeignLoad",
"%s", _( "stream is not in a known format" ) );
(void) vips_stream_input_rewind( input );
return( NULL );
}
(void) vips_stream_input_rewind( input );
return( G_OBJECT_CLASS_NAME( load_class ) );
}

15
libvips/foreign/jpeg2vips.c
View File

@ -134,9 +134,9 @@
*/
/*
*/
#define DEBUG_VERBOSE
#define DEBUG
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
@ -396,6 +396,9 @@ readjpeg_open_input( ReadJpeg *jpeg )
!cinfo->src ) {
InputSource *src;
if( vips_stream_input_rewind( jpeg->input ) )
return( -1 );
cinfo->src = (struct jpeg_source_mgr *)
(*cinfo->mem->alloc_small)(
(j_common_ptr) cinfo, JPOOL_PERMANENT,
@ -403,7 +406,6 @@ readjpeg_open_input( ReadJpeg *jpeg )
src = (InputSource *) cinfo->src;
src->input = jpeg->input;
src->pub.init_source = stream_init_source;
src->pub.fill_input_buffer = stream_fill_input_buffer;
src->pub.skip_input_data = skip_input_data;
@ -887,6 +889,11 @@ read_jpeg_generate( VipsRegion *or,
g_thread_self(), r->top, r->height );
#endif /*DEBUG_VERBOSE*/
/* In pixel decode mode.
*/
if( jpeg->input )
vips_stream_input_decode( jpeg->input );
VIPS_GATE_START( "read_jpeg_generate: work" );
/* We're inside a tilecache where tiles are the full image width, so
@ -1216,10 +1223,6 @@ vips__jpeg_read_stream( VipsStreamInput *input, VipsImage *out,
if( vips__jpeg_read( jpeg, out, header_only ) )
return( -1 );
/* We've read the header ... it's pixel decode from now on.
vips_stream_input_decode( input );
*/
return( 0 );
}

10
libvips/iofuncs/stream.c
View File

@ -553,11 +553,13 @@ vips_stream_input_eof( VipsStreamInput *input )
void
vips_stream_input_decode( VipsStreamInput *input )
{
VIPS_DEBUG_MSG( "vips_stream_input_decode:\n" );
if( !input->decode ) {
VIPS_DEBUG_MSG( "vips_stream_input_decode:\n" );
input->decode = TRUE;
VIPS_FREEF( g_byte_array_unref, input->header_bytes );
VIPS_FREEF( g_byte_array_unref, input->sniff );
input->decode = TRUE;
VIPS_FREEF( g_byte_array_unref, input->header_bytes );
VIPS_FREEF( g_byte_array_unref, input->sniff );
}
}
/**