argh
This commit is contained in:
John Cupitt
parent
9690bd40e9
commit
da0b890e84
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@ -137,7 +137,8 @@ vips_extract_area_build( VipsObject *object )
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VipsConversion *conversion = VIPS_CONVERSION( object );
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VipsExtractArea *extract = (VipsExtractArea *) object;
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if( VIPS_OBJECT_CLASS( vips_extract_area_parent_class )->build( object ) )
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if( VIPS_OBJECT_CLASS( vips_extract_area_parent_class )->
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build( object ) )
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return( -1 );
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if( extract->left + extract->width > extract->in->Xsize ||
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@ -45,8 +45,8 @@
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*/
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/*
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#define VIPS_DEBUG
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*/
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#define VIPS_DEBUG
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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@ -65,7 +65,7 @@
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/* Stall threads that run ahead for this long, in seconds.
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*/
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#define STALL_TIME (0.1)
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#define STALL_TIME (1.0)
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typedef struct _VipsSequential {
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VipsConversion parent_instance;
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@ -133,8 +133,9 @@ vips_sequential_generate( VipsRegion *or,
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return( -1 );
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}
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if( r->top > sequential->y_pos &&
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sequential->y_pos > 0 ) {
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if( r->top > sequential->y_pos
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//&& sequential->y_pos > 0
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) {
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GTimeVal time;
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/* We have started reading (y_pos > 0) and this request is for
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@ -145,8 +146,15 @@ vips_sequential_generate( VipsRegion *or,
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STALL_TIME, g_thread_self() );
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g_get_current_time( &time );
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g_time_val_add( &time, STALL_TIME * 1000000 );
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g_cond_timed_wait( sequential->ready,
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sequential->lock, &time );
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/* Exit the loop on timeout or condition passes. We have to
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* be wary of spurious wakeups.
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*/
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while( r->top > sequential->y_pos )
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if( !g_cond_timed_wait( sequential->ready,
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sequential->lock, &time ) )
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break;
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VIPS_DEBUG_MSG( "thread %p awake again ...\n",
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g_thread_self() );
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}
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@ -124,6 +124,7 @@ typedef struct {
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VipsImage *out;
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FILE *fp;
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int y_pos;
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png_structp pPng;
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png_infop pInfo;
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png_bytep *row_pointer;
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@ -149,6 +150,7 @@ read_new( const char *name, VipsImage *out )
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read->name = vips_strdup( VIPS_OBJECT( out ), name );
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read->out = out;
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read->fp = NULL;
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read->y_pos = 0;
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read->pPng = NULL;
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read->pInfo = NULL;
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read->row_pointer = NULL;
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@ -405,9 +407,9 @@ png2vips_generate( VipsRegion *or,
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int y;
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#ifdef DEBUG
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#endif /*DEBUG*/
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printf( "png2vips_generate: line %d, %d rows\n",
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r->top, r->height );
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#endif /*DEBUG*/
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/* We're inside a tilecache where tiles are the full image width, so
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* this should always be true.
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@ -421,10 +423,23 @@ png2vips_generate( VipsRegion *or,
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*/
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g_assert( r->height == VIPS_MIN( 8, or->im->Ysize - r->top ) );
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/* And check that y_pos is correct. It should be, since we are inside
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* a vips_sequential().
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*/
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if( r->top != read->y_pos ) {
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printf( "png2vips_generate: y_pos == %d, top == %d\n",
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read->y_pos, r->top );
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g_assert( r->top == read->y_pos );
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}
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if( setjmp( png_jmpbuf( read->pPng ) ) ) {
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#ifdef DEBUG
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printf( "png2vips_generate: failing in setjmp\n" );
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#endif /*DEBUG*/
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printf( "png2vips_generate: failing in setjmp\n" );
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printf( "png2vips_generate: line %d, %d rows\n",
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r->top, r->height );
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printf( "png2vips_generate: file %s\n", read->name );
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printf( "png2vips_generate: thread %p\n", g_thread_self() );
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return( -1 );
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}
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@ -433,6 +448,8 @@ png2vips_generate( VipsRegion *or,
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png_bytep q = (png_bytep) VIPS_REGION_ADDR( or, 0, r->top + y );
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png_read_row( read->pPng, q, NULL );
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read->y_pos += 1;
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}
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return( 0 );
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@ -460,7 +477,7 @@ vips__png_isinterlaced( const char *filename )
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}
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int
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vips__png_read( const char *name, VipsImage *out )
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vips__png_read( const char *filename, VipsImage *out )
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{
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VipsImage **t = (VipsImage **)
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vips_object_local_array( VIPS_OBJECT( out ), 3 );
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@ -469,10 +486,10 @@ vips__png_read( const char *name, VipsImage *out )
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int interlace_type;
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#ifdef DEBUG
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printf( "png2vips: reading \"%s\"\n", name );
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printf( "vips__png_read: reading \"%s\"\n", filename );
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#endif /*DEBUG*/
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if( !(read = read_new( name, out )) )
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if( !(read = read_new( filename, out )) )
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return( -1 );
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interlace_type = png_get_interlace_type( read->pPng, read->pInfo );
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@ -501,7 +518,7 @@ vips__png_read( const char *name, VipsImage *out )
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}
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#ifdef DEBUG
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printf( "png2vips: done\n" );
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printf( "vips__png_read: done\n" );
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#endif /*DEBUG*/
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return( 0 );
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@ -718,6 +735,10 @@ vips__png_write( VipsImage *in, const char *filename,
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{
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Write *write;
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#ifdef DEBUG
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printf( "vips__png_write: writing \"%s\"\n", filename );
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#endif /*DEBUG*/
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if( !(write = write_new( in )) )
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return( -1 );
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@ -738,6 +759,10 @@ vips__png_write( VipsImage *in, const char *filename,
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write_finish( write );
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#ifdef DEBUG
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printf( "vips__png_write: done\n" );
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#endif /*DEBUG*/
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return( 0 );
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}
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@ -63,8 +63,8 @@
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*/
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/*
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#define DEBUG
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*/
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#define DEBUG
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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