more reworking
This commit is contained in:
parent
0e29e1c41e
commit
b7ad0da20c
@ -156,15 +156,12 @@ typedef struct _VipsStreami {
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*/
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GByteArray *sniff;
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/* For a memory stream, the blob we read from.
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/* For a memory stream, the blob we read from. This can represent a
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* mmaped area too, with unmap as the free function.
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* free function
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*/
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VipsBlob *blob;
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/* If we've mmaped the file, the base of the mapped area. Use @length
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* for the length.
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*/
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const void *baseaddr;
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} VipsStreami;
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typedef struct _VipsStreamiClass {
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@ -185,19 +182,6 @@ typedef struct _VipsStreamiClass {
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*/
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gint64 (*seek)( VipsStreami *, gint64 offset, int );
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/* Shut down anything that can safely restarted. For example, if
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* there's a fd that supports lseek(), it can be closed, since later
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* (if neccessary) it can be reopened and lseek()ed back to the
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* correct point.
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*
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* Non-restartable shutdown shuld be in _finalize().
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*/
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void (*minimise)( VipsStreami * );
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/* The opposite of minimise: restart anything that minimise shut down.
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*/
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int (*unminimise)( VipsStreami * );
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} VipsStreamiClass;
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GType vips_streami_get_type( void );
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@ -44,8 +44,8 @@
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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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@ -220,6 +220,8 @@ vips_streami_build( VipsObject *object )
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return( -1 );
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}
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/* unminimise will open the filename.
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*/
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if( vips_object_argument_isset( object, "filename" ) &&
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vips_streami_unminimise( streami ) )
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return( -1 );
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@ -241,12 +243,10 @@ vips_streami_build( VipsObject *object )
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* We must call the class method directly: if we go via
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* vips_streami_seek() we'll trigger seek emulation on pipes.
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*/
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vips_error_freeze();
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if( class->seek( stream->descriptor, 0, SEEK_CUR ) == -1 ) {
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VIPS_DEBUG_MSG( " not seekable\n" );
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streami->is_pipe = TRUE;
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}
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vips_error_thaw();
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/* Try and get the length, as long as we're seekable.
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*/
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@ -278,55 +278,287 @@ vips_streami_seek_real( VipsStreami *streami, gint64 offset, int whence )
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{
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VipsStream *stream = VIPS_STREAM( streami );
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gint64 new_pos;
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VIPS_DEBUG_MSG( "vips_streami_seek_real:\n" );
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return( vips__seek( stream->descriptor, offset, whence ) );
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/* Like _read_real(), we must not set a vips_error. We need to use the
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* vips__seek() wrapper so we can seek long files on Windows.
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*/
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vips_error_freeze();
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new_pos = vips__seek( stream->descriptor, offset, whence );
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vips_error_thaw();
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return( new_pos );
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}
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static void
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vips_streami_minimise_real( VipsStreami *streami )
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vips_streami_class_init( VipsStreamiClass *class )
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{
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VipsStream *stream = VIPS_STREAM( streami );
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GObjectClass *gobject_class = G_OBJECT_CLASS( class );
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VipsObjectClass *object_class = VIPS_OBJECT_CLASS( class );
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VIPS_DEBUG_MSG( "vips_streami_minimise_real:\n" );
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gobject_class->finalize = vips_streami_finalize;
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gobject_class->set_property = vips_object_set_property;
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gobject_class->get_property = vips_object_get_property;
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object_class->nickname = "streami";
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object_class->description = _( "streami stream" );
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object_class->build = vips_streami_build;
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class->read = vips_streami_read_real;
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class->seek = vips_streami_seek_real;
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VIPS_ARG_BOXED( class, "blob", 3,
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_( "Blob" ),
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_( "blob to load from" ),
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VIPS_ARGUMENT_OPTIONAL_INPUT,
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G_STRUCT_OFFSET( VipsStreami, blob ),
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VIPS_TYPE_BLOB );
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if( stream->filename &&
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stream->descriptor != -1 &&
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stream->tracked_descriptor != -1 &&
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!streami->is_pipe ) {
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VIPS_DEBUG_MSG( " tracked_close()\n" );
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vips_tracked_close( stream->tracked_descriptor );
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stream->tracked_descriptor = -1;
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stream->descriptor = -1;
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}
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}
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static int
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vips_streami_unminimise_real( VipsStreami *streami )
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static void
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vips_streami_init( VipsStreami *streami )
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{
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VipsStream *stream = VIPS_STREAM( streami );
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streami->length = -1;
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streami->sniff = g_byte_array_new();
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streami->header_bytes = g_byte_array_new();
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}
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if( stream->descriptor == -1 &&
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stream->tracked_descriptor == -1 &&
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stream->filename ) {
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int fd;
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/**
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* vips_streami_new_from_descriptor:
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* @descriptor: read from this file descriptor
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*
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* Create an streami stream attached to a file descriptor. @descriptor is
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* closed with close() when the #VipsStream is finalized.
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*
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* Returns: a new #VipsStream
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*/
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VipsStreami *
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vips_streami_new_from_descriptor( int descriptor )
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{
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VipsStreami *streami;
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if( (fd = vips_tracked_open( stream->filename,
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MODE_READ )) == -1 )
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return( -1 );
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VIPS_DEBUG_MSG( "vips_streami_new_from_descriptor: %d\n",
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descriptor );
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stream->tracked_descriptor = fd;
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stream->descriptor = fd;
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streami = VIPS_STREAMI( g_object_new( VIPS_TYPE_STREAMI,
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"descriptor", descriptor,
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NULL ) );
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VIPS_DEBUG_MSG( "vips_streami_unminimise_real: "
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"restoring read position %zd\n",
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streami->read_position );
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if( vips__seek( stream->descriptor,
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streami->read_position, SEEK_SET ) == -1 )
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return( -1 );
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if( vips_object_build( VIPS_OBJECT( streami ) ) ) {
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VIPS_UNREF( streami );
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return( NULL );
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}
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return( 0 );
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vips_streami_sanity( streami );
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return( streami );
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}
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/**
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* vips_streami_new_from_filename:
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* @descriptor: read from this filename
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*
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* Create an streami stream attached to a file.
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*
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* Returns: a new #VipsStream
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*/
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VipsStreami *
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vips_streami_new_from_filename( const char *filename )
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{
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VipsStreami *streami;
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VIPS_DEBUG_MSG( "vips_streami_new_from_filename: %s\n",
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filename );
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streami = VIPS_STREAMI( g_object_new( VIPS_TYPE_STREAMI,
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"filename", filename,
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NULL ) );
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if( vips_object_build( VIPS_OBJECT( streami ) ) ) {
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VIPS_UNREF( streami );
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return( NULL );
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}
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vips_streami_sanity( streami );
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return( streami );
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}
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/**
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* vips_streami_new_from_blob:
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* @blob: memory area to load
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*
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* Create a stream attached to an area of memory.
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*
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* Returns: a new #VipsStream
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*/
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VipsStreami *
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vips_streami_new_from_blob( VipsBlob *blob )
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{
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VipsStreami *streami;
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VIPS_DEBUG_MSG( "vips_streami_new_from_blob: %p\n", blob );
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streami = VIPS_STREAMI( g_object_new( VIPS_TYPE_STREAMI,
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"blob", blob,
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NULL ) );
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if( vips_object_build( VIPS_OBJECT( streami ) ) ) {
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VIPS_UNREF( streami );
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return( NULL );
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}
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vips_streami_sanity( streami );
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return( streami );
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}
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/**
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* vips_streami_new_from_memory:
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* @data: memory area to load
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* @length: size of memory area
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*
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* Create a stream attached to an area of memory.
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*
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* You must not free @data while the stream is active.
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*
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* Returns: a new #VipsStream
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*/
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VipsStreami *
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vips_streami_new_from_memory( const void *data, size_t length )
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{
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VipsStreami *streami;
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VipsBlob *blob;
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VIPS_DEBUG_MSG( "vips_streami_new_from_buffer: "
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"%p, length = %zd\n", data, length );
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/* We don't take a copy of the data or free it.
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*/
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blob = vips_blob_new( NULL, data, length );
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streami = vips_streami_new_from_blob( blob );
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vips_area_unref( VIPS_AREA( blob ) );
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vips_streami_sanity( streami );
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return( streami );
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}
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/**
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* vips_streami_new_from_options:
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* @options: option string
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*
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* Create a stream from an option string.
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*
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* Returns: a new #VipsStreami
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*/
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VipsStreami *
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vips_streami_new_from_options( const char *options )
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{
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VipsStreami *streami;
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VIPS_DEBUG_MSG( "vips_streami_new_from_options: %s\n", options );
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streami = VIPS_STREAMI( g_object_new( VIPS_TYPE_STREAMI, NULL ) );
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if( vips_object_set_from_string( VIPS_OBJECT( streami ), options ) ||
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vips_object_build( VIPS_OBJECT( streami ) ) ) {
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VIPS_UNREF( streami );
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return( NULL );
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}
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vips_streami_sanity( streami );
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return( streami );
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}
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ssize_t
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vips_streami_read( VipsStreami *streami, void *buffer, size_t length )
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{
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VipsStreamiClass *class = VIPS_STREAMI_GET_CLASS( streami );
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ssize_t bytes_read;
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VIPS_DEBUG_MSG( "vips_streami_read:\n" );
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vips_streami_sanity( streami );
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bytes_read = 0;
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/* The whole thing is in memory somehow.
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*/
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if( streami->blob ) {
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VipsArea *area = VIPS_AREA( streami->blob );
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ssize_t available = VIPS_MIN( length,
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area->length - streami->read_position );
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memcpy( data, area->data + streami->read_position, available );
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streami->read_position += available;
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length -= available;
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bytes_read += available;
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VIPS_DEBUG_MSG( " %zd bytes from memory\n", available );
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}
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/* Get what we can from header_bytes. We may need to read some more
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* after this.
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*/
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if( streami->header_bytes &&
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streami->read_position < streami->header_bytes->len ) {
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ssize_t available;
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available = VIPS_MIN( length,
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streami->header_bytes->len - streami->read_position );
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memcpy( buffer,
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streami->header_bytes->data + streami->read_position,
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available );
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streami->read_position += available;
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buffer += available;
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length -= available;
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bytes_read += available;
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VIPS_DEBUG_MSG( " %zd bytes from cache\n", available );
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}
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/* Any more bytes requested? Call the read() vfunc.
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*/
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if( length > 0 ) {
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ssize_t n;
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if( (n = class->read( streami, buffer, length )) == -1 ) {
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vips_error_system( errno,
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vips_stream_name( VIPS_STREAM( streami ) ),
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"%s", _( "read error" ) );
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return( -1 );
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}
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/* We need to save bytes if we're in header mode and we can't
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* seek or map.
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*/
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if( streami->header_bytes &&
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streami->is_pipe &&
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!streami->decode &&
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n > 0 )
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g_byte_array_append( streami->header_bytes,
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buffer, n );
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streami->read_position += n;
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bytes_read += n;
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VIPS_DEBUG_MSG( " %zd bytes from read()\n", n );
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}
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VIPS_DEBUG_MSG( " %zd bytes total\n", bytes_read );
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vips_streami_sanity( streami );
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return( bytes_read );
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}
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/* Read a pipe to at least a position. -1 means read to end of stream. Does
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@ -381,6 +613,7 @@ vips_streami_pipe_to_memory( VipsStreami *streami )
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VIPS_DEBUG_MSG( "vips_streami_pipe_to_memory:\n" );
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g_assert( streami->is_pipe );
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g_assert( !streami->blob );
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vips_streami_sanity( streami );
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@ -393,7 +626,7 @@ vips_streami_pipe_to_memory( VipsStreami *streami )
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streami->length = streami->header_bytes->len;
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data = g_byte_array_free( streami->header_bytes, FALSE );
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streami->header_bytes = NULL;
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vips_blob_set( streami->blob,
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streami->blob = vips_blob_new(
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(VipsCallbackFn) g_free, data, streami->length );
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vips_streami_minimise( streami );
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streami->is_pipe = FALSE;
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@ -403,316 +636,25 @@ vips_streami_pipe_to_memory( VipsStreami *streami )
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return( 0 );
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}
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static gint64
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vips_streami_size_real( VipsStreami *streami )
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{
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if( streami->length == -1 &&
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streami->is_pipe &&
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vips_streami_pipe_to_memory( streami ) )
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return( -1 );
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return( streami->length );
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}
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static void
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vips_streami_class_init( VipsStreamiClass *class )
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS( class );
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VipsObjectClass *object_class = VIPS_OBJECT_CLASS( class );
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gobject_class->finalize = vips_streami_finalize;
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gobject_class->set_property = vips_object_set_property;
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gobject_class->get_property = vips_object_get_property;
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object_class->nickname = "streami";
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object_class->description = _( "streami stream" );
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object_class->build = vips_streami_build;
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class->read = vips_streami_read_real;
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class->map = vips_streami_map_real;
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class->seek = vips_streami_seek_real;
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class->minimise = vips_streami_minimise_real;
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class->unminimise = vips_streami_unminimise_real;
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class->size = vips_streami_size_real;
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VIPS_ARG_BOXED( class, "blob", 3,
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_( "Blob" ),
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_( "blob to load from" ),
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VIPS_ARGUMENT_OPTIONAL_INPUT,
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G_STRUCT_OFFSET( VipsStreami, blob ),
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VIPS_TYPE_BLOB );
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}
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static void
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vips_streami_init( VipsStreami *streami )
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{
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streami->length = -1;
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streami->sniff = g_byte_array_new();
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streami->header_bytes = g_byte_array_new();
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}
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/**
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* vips_streami_new_from_descriptor:
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* @descriptor: read from this file descriptor
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*
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* Create an streami stream attached to a file descriptor. @descriptor is
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* closed with close() when the #VipsStream is finalized.
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*
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* Returns: a new #VipsStream
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*/
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VipsStreami *
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vips_streami_new_from_descriptor( int descriptor )
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{
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VipsStreami *streami;
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VIPS_DEBUG_MSG( "vips_streami_new_from_descriptor: %d\n",
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descriptor );
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streami = VIPS_STREAMI(
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g_object_new( VIPS_TYPE_STREAMI,
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"descriptor", descriptor,
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NULL ) );
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if( vips_object_build( VIPS_OBJECT( streami ) ) ) {
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VIPS_UNREF( streami );
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return( NULL );
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}
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vips_streami_sanity( streami );
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return( streami );
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}
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/**
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* vips_streami_new_from_filename:
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* @descriptor: read from this filename
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||||
*
|
||||
* Create an streami stream attached to a file.
|
||||
*
|
||||
* Returns: a new #VipsStream
|
||||
*/
|
||||
VipsStreami *
|
||||
vips_streami_new_from_filename( const char *filename )
|
||||
{
|
||||
VipsStreami *streami;
|
||||
|
||||
VIPS_DEBUG_MSG( "vips_streami_new_from_filename: %s\n",
|
||||
filename );
|
||||
|
||||
streami = VIPS_STREAMI(
|
||||
g_object_new( VIPS_TYPE_STREAMI,
|
||||
"filename", filename,
|
||||
NULL ) );
|
||||
|
||||
if( vips_object_build( VIPS_OBJECT( streami ) ) ) {
|
||||
VIPS_UNREF( streami );
|
||||
return( NULL );
|
||||
}
|
||||
|
||||
vips_streami_sanity( streami );
|
||||
|
||||
return( streami );
|
||||
}
|
||||
|
||||
/**
|
||||
* vips_streami_new_from_blob:
|
||||
* @blob: memory area to load
|
||||
*
|
||||
* Create a stream attached to an area of memory.
|
||||
*
|
||||
* Returns: a new #VipsStream
|
||||
*/
|
||||
VipsStreami *
|
||||
vips_streami_new_from_blob( VipsBlob *blob )
|
||||
{
|
||||
VipsStreami *streami;
|
||||
|
||||
VIPS_DEBUG_MSG( "vips_streami_new_from_blob: %p\n", blob );
|
||||
|
||||
streami = VIPS_STREAMI(
|
||||
g_object_new( VIPS_TYPE_STREAMI,
|
||||
"blob", blob,
|
||||
NULL ) );
|
||||
|
||||
if( vips_object_build( VIPS_OBJECT( streami ) ) ) {
|
||||
VIPS_UNREF( streami );
|
||||
return( NULL );
|
||||
}
|
||||
|
||||
vips_streami_sanity( streami );
|
||||
|
||||
return( streami );
|
||||
}
|
||||
|
||||
/**
|
||||
* vips_streami_new_from_memory:
|
||||
* @data: memory area to load
|
||||
* @length: size of memory area
|
||||
*
|
||||
* Create a stream attached to an area of memory.
|
||||
*
|
||||
* You must not free @data while the stream is active.
|
||||
*
|
||||
* Returns: a new #VipsStream
|
||||
*/
|
||||
VipsStreami *
|
||||
vips_streami_new_from_memory( const void *data, size_t length )
|
||||
{
|
||||
VipsStreami *streami;
|
||||
VipsBlob *blob;
|
||||
|
||||
VIPS_DEBUG_MSG( "vips_streami_new_from_buffer: "
|
||||
"%p, length = %zd\n", data, length );
|
||||
|
||||
/* We don't take a copy of the data or free it.
|
||||
*/
|
||||
blob = vips_blob_new( NULL, data, length );
|
||||
|
||||
streami = vips_streami_new_from_blob( blob );
|
||||
|
||||
vips_area_unref( VIPS_AREA( blob ) );
|
||||
|
||||
vips_streami_sanity( streami );
|
||||
|
||||
return( streami );
|
||||
}
|
||||
|
||||
/**
|
||||
* vips_streami_new_from_options:
|
||||
* @options: option string
|
||||
*
|
||||
* Create a stream from an option string.
|
||||
*
|
||||
* Returns: a new #VipsStream
|
||||
*/
|
||||
VipsStreami *
|
||||
vips_streami_new_from_options( const char *options )
|
||||
{
|
||||
VipsStreami *streami;
|
||||
|
||||
VIPS_DEBUG_MSG( "vips_streami_new_from_options: %s\n", options );
|
||||
|
||||
streami = VIPS_STREAMI(
|
||||
g_object_new( VIPS_TYPE_STREAMI, NULL ) );
|
||||
|
||||
if( vips_object_set_from_string( VIPS_OBJECT( streami ), options ) ||
|
||||
vips_object_build( VIPS_OBJECT( streami ) ) ) {
|
||||
VIPS_UNREF( streami );
|
||||
return( NULL );
|
||||
}
|
||||
|
||||
vips_streami_sanity( streami );
|
||||
|
||||
return( streami );
|
||||
}
|
||||
|
||||
ssize_t
|
||||
vips_streami_read( VipsStreami *streami, void *buffer, size_t length )
|
||||
{
|
||||
VipsStreamiClass *class = VIPS_STREAMI_GET_CLASS( streami );
|
||||
|
||||
ssize_t bytes_read;
|
||||
|
||||
VIPS_DEBUG_MSG( "vips_streami_read:\n" );
|
||||
|
||||
vips_streami_sanity( streami );
|
||||
|
||||
bytes_read = 0;
|
||||
|
||||
/* Are we serving from header_bytes? Get what we can from there.
|
||||
*/
|
||||
if( streami->header_bytes &&
|
||||
streami->read_position < streami->header_bytes->len ) {
|
||||
ssize_t available;
|
||||
|
||||
available = VIPS_MIN( length,
|
||||
streami->header_bytes->len - streami->read_position );
|
||||
memcpy( buffer,
|
||||
streami->header_bytes->data + streami->read_position,
|
||||
available );
|
||||
streami->read_position += available;
|
||||
buffer += available;
|
||||
length -= available;
|
||||
bytes_read += available;
|
||||
|
||||
VIPS_DEBUG_MSG( " %zd bytes from cache\n", available );
|
||||
}
|
||||
|
||||
revise this:
|
||||
if( streami->blob ) {
|
||||
VipsArea *area = VIPS_AREA( streami->blob );
|
||||
ssize_t available = VIPS_MIN( length,
|
||||
area->length - streami->read_position );
|
||||
|
||||
if( available <= 0 )
|
||||
return( 0 );
|
||||
|
||||
memcpy( data, area->data + streami->read_position, available );
|
||||
|
||||
return( available );
|
||||
}
|
||||
|
||||
/* Any more bytes requested? Call the read() vfunc.
|
||||
*/
|
||||
if( length > 0 ) {
|
||||
ssize_t n;
|
||||
|
||||
if( (n = class->read( streami, buffer, length )) == -1 ) {
|
||||
vips_error_system( errno,
|
||||
vips_stream_name( VIPS_STREAM( streami ) ),
|
||||
"%s", _( "read error" ) );
|
||||
return( -1 );
|
||||
}
|
||||
|
||||
/* We need to save bytes if we're in header mode and we can't
|
||||
* seek or map.
|
||||
*/
|
||||
if( streami->header_bytes &&
|
||||
streami->is_pipe &&
|
||||
!streami->decode &&
|
||||
n > 0 )
|
||||
g_byte_array_append( streami->header_bytes,
|
||||
buffer, n );
|
||||
|
||||
streami->read_position += n;
|
||||
bytes_read += n;
|
||||
|
||||
VIPS_DEBUG_MSG( " %zd bytes from read()\n", n );
|
||||
}
|
||||
|
||||
VIPS_DEBUG_MSG( " %zd bytes total\n", bytes_read );
|
||||
|
||||
vips_streami_sanity( streami );
|
||||
|
||||
return( bytes_read );
|
||||
}
|
||||
|
||||
static const void *
|
||||
vips_streami_map_real( VipsStreami *streami, size_t *length )
|
||||
static int
|
||||
vips_streami_descriptor_to_memory( VipsStreami *streami, size_t *length )
|
||||
{
|
||||
VipsStream *stream = VIPS_STREAM( streami );
|
||||
|
||||
const void *file_baseaddr;
|
||||
void *baseaddr;
|
||||
|
||||
VIPS_DEBUG_MSG( "vips_streami_descriptor_to_memory:\n" );
|
||||
|
||||
g_assert( streami->length > 0 );
|
||||
g_assert( !streami->blob );
|
||||
|
||||
if( !(file_baseaddr = vips__mmap( stream->descriptor,
|
||||
if( !(baseaddr = vips__mmap( stream->descriptor,
|
||||
FALSE, streami->length, 0 )) )
|
||||
return( NULL );
|
||||
|
||||
if( length )
|
||||
*length = streami->length;
|
||||
|
||||
return( file_baseaddr );
|
||||
}
|
||||
|
||||
static void
|
||||
vips_streami_unmap_real( VipsStreami *streami, size_t *length )
|
||||
{
|
||||
VipsStream *stream = VIPS_STREAM( streami );
|
||||
return( -1 );
|
||||
streami->blob = vips_blob_new(
|
||||
(VipsCallbackFn) vips_streami_unmap, data, streami->length );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
const void *
|
||||
@ -733,6 +675,16 @@ vips_streami_map( VipsStreami *streami, size_t *length_out )
|
||||
vips_streami_pipe_to_memory( streami ) )
|
||||
return( NULL );
|
||||
|
||||
/* Seekable descriptor sources can be mmaped and become memory
|
||||
* sources.
|
||||
*/
|
||||
if( !streami->is_pipe &&
|
||||
!streami->baseaddr &&
|
||||
streami->length > 0 &&
|
||||
stream->descriptor != -1 &&
|
||||
vips_streami_descriptor_to_memory( streami ) )
|
||||
return( NULL );
|
||||
|
||||
/* Memory source ... easy!
|
||||
*/
|
||||
if( streami->blob ) {
|
||||
@ -881,6 +833,52 @@ vips_streami_rewind( VipsStreami *streami )
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
static void
|
||||
vips_streami_minimise_real( VipsStreami *streami )
|
||||
{
|
||||
VipsStream *stream = VIPS_STREAM( streami );
|
||||
|
||||
VIPS_DEBUG_MSG( "vips_streami_minimise_real:\n" );
|
||||
|
||||
if( stream->filename &&
|
||||
stream->descriptor != -1 &&
|
||||
stream->tracked_descriptor != -1 &&
|
||||
!streami->is_pipe ) {
|
||||
VIPS_DEBUG_MSG( " tracked_close()\n" );
|
||||
vips_tracked_close( stream->tracked_descriptor );
|
||||
stream->tracked_descriptor = -1;
|
||||
stream->descriptor = -1;
|
||||
}
|
||||
}
|
||||
|
||||
static int
|
||||
vips_streami_unminimise_real( VipsStreami *streami )
|
||||
{
|
||||
VipsStream *stream = VIPS_STREAM( streami );
|
||||
|
||||
if( stream->descriptor == -1 &&
|
||||
stream->tracked_descriptor == -1 &&
|
||||
stream->filename ) {
|
||||
int fd;
|
||||
|
||||
if( (fd = vips_tracked_open( stream->filename,
|
||||
MODE_READ )) == -1 )
|
||||
return( -1 );
|
||||
|
||||
stream->tracked_descriptor = fd;
|
||||
stream->descriptor = fd;
|
||||
|
||||
VIPS_DEBUG_MSG( "vips_streami_unminimise_real: "
|
||||
"restoring read position %zd\n",
|
||||
streami->read_position );
|
||||
if( vips__seek( stream->descriptor,
|
||||
streami->read_position, SEEK_SET ) == -1 )
|
||||
return( -1 );
|
||||
}
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
void
|
||||
vips_streami_minimise( VipsStreami *streami )
|
||||
{
|
||||
|
@ -1054,7 +1054,7 @@ vips__seek( int fd, gint64 pos, int whence )
|
||||
}
|
||||
#else /*!OS_WIN32*/
|
||||
if( (new_pos = lseek( fd, pos, whence )) == (off_t) -1 ) {
|
||||
vips_error( "vips__seek", "%s", _( "unable to seek" ) );
|
||||
vips_error_system( "vips__seek", "%s", _( "unable to seek" ) );
|
||||
return( -1 );
|
||||
}
|
||||
#endif /*OS_WIN32*/
|
||||
|
Loading…
Reference in New Issue
Block a user