/*
- * Geeqie
- * (C) 2004 John Ellis
- * Copyright (C) 2008 The Geeqie Team
+ * Copyright (C) 2004 John Ellis
+ * Copyright (C) 2008 - 2016 The Geeqie Team
*
* Author: John Ellis
*
- * This software is released under the GNU General Public License (GNU GPL).
- * Please read the included file COPYING for more information.
- * This software comes with no warranty of any kind, use at your own risk!
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-
#include "main.h"
#include "image-load.h"
+#include "image_load_cr3.h"
+#include "image_load_gdk.h"
+#include "image_load_jpeg.h"
+#include "image_load_tiff.h"
+#include "image_load_dds.h"
+#include "image_load_djvu.h"
+#include "image_load_external.h"
+#include "image_load_pdf.h"
+#include "image_load_psd.h"
+#include "image_load_heif.h"
+#include "image_load_ffmpegthumbnailer.h"
+#include "image_load_collection.h"
+#include "image_load_webp.h"
+#include "image_load_j2k.h"
+#include "image_load_libraw.h"
+#include "image_load_svgz.h"
+#include "misc.h"
#include "exif.h"
#include "filedata.h"
#include <fcntl.h>
#include <sys/mman.h>
-
+#define IMAGE_LOADER_READ_BUFFER_SIZE_DEFAULT 4096
+#define IMAGE_LOADER_IDLE_READ_LOOP_COUNT_DEFAULT 1
+
+/**
+ * @page diagrams Diagrams
+ * @section image_load_overview Image Load Overview
+ * @startuml
+ * object image_change
+ * object image_change_complete
+ * object image_load_begin
+ * object image_loader_start
+ * object image_loader_start_thread
+ * object image_loader_start_idle
+ * object image_loader_setup_source
+ * object image_loader_thread_run
+ * object image_loader_begin
+ * object image_loader_setuploader
+ * circle "il->memory_mapped"
+ * object exif_get_preview_
+ * object exif_get_preview
+ * object libraw_get_preview
+ *
+ * image_change : image.c
+ * image_change_complete : image.c
+ * image_load_begin : image.c
+ * image_loader_start : image_load.c
+ * image_loader_start_thread : image_load.c
+ * image_loader_start_idle : image_load.c
+ * image_loader_thread_run : image_load.c
+ * image_loader_begin : image_load.c
+ * image_loader_setuploader : image_load.c
+ * image_loader_setuploader : -
+ * image_loader_setuploader : Select backend using magic
+ * image_loader_setup_source : image_load.c
+ * exif_get_preview : exiv2.cc
+ * exif_get_preview : EXIV2_TEST_VERSION(0,17,90)
+ * exif_get_preview_ : exif.c
+ * exif_get_preview_ : -
+ * exif_get_preview_ : If exiv2 not installed
+ * libraw_get_preview : image_load_libraw.c
+ *
+ * image_change --> image_change_complete
+ * image_change_complete --> image_load_begin
+ * image_load_begin --> image_loader_start
+ * image_loader_start --> image_loader_start_thread
+ * image_loader_start --> image_loader_start_idle : Obsolete - no threads version
+ * image_loader_start_thread --> image_loader_thread_run
+ * image_loader_start_thread --> image_loader_setup_source
+ * image_loader_setup_source --> exif_get_preview_
+ * image_loader_setup_source --> exif_get_preview
+ * image_loader_setup_source --> libraw_get_preview : Try libraw if exiv2 fails
+ * exif_get_preview_ ..> "il->memory_mapped"
+ * exif_get_preview ..> "il->memory_mapped"
+ * libraw_get_preview ..> "il->memory_mapped"
+ * image_loader_thread_run --> image_loader_begin
+ * image_loader_begin --> image_loader_setuploader
+ * "il->memory_mapped" ..> image_loader_setuploader
+ * note left of "il->memory_mapped" : Points to first byte of embedded jpeg (#FFD8)\n if preview found, otherwise to first byte of file
+ * @enduml
+ */
+ /**
+ * @file
+ * @ref image_load_overview "Image Load Overview"
+ */
+
/**************************************************************************************/
-/* image looader class */
+/* image loader class */
enum {
SIGNAL_ERROR,
SIGNAL_DONE,
SIGNAL_PERCENT,
+ SIGNAL_SIZE,
SIGNAL_COUNT
};
static guint signals[SIGNAL_COUNT] = { 0 };
-static void image_loader_init (GTypeInstance *instance, gpointer g_class);
-static void image_loader_class_init (ImageLoaderClass *class);
+static void image_loader_init(GTypeInstance *instance, gpointer g_class);
+static void image_loader_class_init_wrapper(void *data, void *user_data);
+static void image_loader_class_init(ImageLoaderClass *class);
static void image_loader_finalize(GObject *object);
static void image_loader_stop(ImageLoader *il);
-GType image_loader_get_type (void)
+GType image_loader_get_type(void)
{
static GType type = 0;
- if (type == 0)
+ if (type == 0)
{
static const GTypeInfo info = {
- sizeof (ImageLoaderClass),
+ sizeof(ImageLoaderClass),
NULL, /* base_init */
NULL, /* base_finalize */
- (GClassInitFunc)image_loader_class_init, /* class_init */
+ (GClassInitFunc)image_loader_class_init_wrapper, /* class_init */
NULL, /* class_finalize */
NULL, /* class_data */
- sizeof (ImageLoader),
+ sizeof(ImageLoader),
0, /* n_preallocs */
(GInstanceInitFunc)image_loader_init, /* instance_init */
NULL /* value_table */
};
- type = g_type_register_static (G_TYPE_OBJECT, "ImageLoaderType", &info, 0);
+ type = g_type_register_static(G_TYPE_OBJECT, "ImageLoaderType", &info, 0);
}
return type;
}
-static void image_loader_init (GTypeInstance *instance, gpointer g_class)
+static void image_loader_init(GTypeInstance *instance, gpointer g_class)
{
ImageLoader *il = (ImageLoader *)instance;
il->pixbuf = NULL;
- il->idle_id = -1;
+ il->idle_id = 0;
il->idle_priority = G_PRIORITY_DEFAULT_IDLE;
il->done = FALSE;
il->loader = NULL;
il->bytes_read = 0;
il->bytes_total = 0;
- il->idle_done_id = -1;
+ il->idle_done_id = 0;
- il->idle_read_loop_count = options->image.idle_read_loop_count;
- il->read_buffer_size = options->image.read_buffer_size;
+ il->idle_read_loop_count = IMAGE_LOADER_IDLE_READ_LOOP_COUNT_DEFAULT;
+ il->read_buffer_size = IMAGE_LOADER_READ_BUFFER_SIZE_DEFAULT;
il->mapped_file = NULL;
+ il->preview = IMAGE_LOADER_PREVIEW_NONE;
il->requested_width = 0;
il->requested_height = 0;
+ il->actual_width = 0;
+ il->actual_height = 0;
il->shrunk = FALSE;
il->can_destroy = TRUE;
#ifdef HAVE_GTHREAD
+#if GLIB_CHECK_VERSION(2,32,0)
+ il->data_mutex = g_new(GMutex, 1);
+ g_mutex_init(il->data_mutex);
+ il->can_destroy_cond = g_new(GCond, 1);
+ g_cond_init(il->can_destroy_cond);
+#else
il->data_mutex = g_mutex_new();
il->can_destroy_cond = g_cond_new();
#endif
- DEBUG_1("new image loader %p, bufsize=%u idle_loop=%u", il, il->read_buffer_size, il->idle_read_loop_count);
+#endif
+ DEBUG_1("new image loader %p, bufsize=%" G_GSIZE_FORMAT " idle_loop=%u", il, il->read_buffer_size, il->idle_read_loop_count);
}
-static void image_loader_class_init (ImageLoaderClass *class)
+static void image_loader_class_init_wrapper(void *data, void *user_data)
+{
+ image_loader_class_init(data);
+}
+
+static void image_loader_class_init(ImageLoaderClass *class)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (class);
G_TYPE_NONE, 1,
G_TYPE_DOUBLE);
+ signals[SIGNAL_SIZE] =
+ g_signal_new("size_prepared",
+ G_OBJECT_CLASS_TYPE(gobject_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET(ImageLoaderClass, area_ready),
+ NULL, NULL,
+ gq_marshal_VOID__INT_INT,
+ G_TYPE_NONE, 2,
+ G_TYPE_INT,
+ G_TYPE_INT);
+
}
static void image_loader_finalize(GObject *object)
image_loader_stop(il);
- DEBUG_1("freeing image loader %p bytes_read=%d", il, il->bytes_read);
+ if (il->error) DEBUG_1("%s", image_loader_get_error(il));
- if (il->idle_done_id != -1) g_source_remove(il->idle_done_id);
+ DEBUG_1("freeing image loader %p bytes_read=%" G_GSIZE_FORMAT, il, il->bytes_read);
- while (g_source_remove_by_user_data(il))
+ if (il->idle_done_id)
{
- DEBUG_1("pending signals detected");
+ g_source_remove(il->idle_done_id);
+ il->idle_done_id = 0;
}
-
- while (il->area_param_list)
+
+ while (g_source_remove_by_user_data(il))
+ {
+ DEBUG_2("pending signals detected");
+ }
+
+ while (il->area_param_list)
{
DEBUG_1("pending area_ready signals detected");
while (g_source_remove_by_user_data(il->area_param_list->data)) {}
il->area_param_list = g_list_delete_link(il->area_param_list, il->area_param_list);
}
+ while (il->area_param_delayed_list)
+ {
+ g_free(il->area_param_delayed_list->data);
+ il->area_param_delayed_list = g_list_delete_link(il->area_param_delayed_list, il->area_param_delayed_list);
+ }
+
if (il->pixbuf) g_object_unref(il->pixbuf);
+ if (il->error) g_error_free(il->error);
+
file_data_unref(il->fd);
#ifdef HAVE_GTHREAD
+#if GLIB_CHECK_VERSION(2,32,0)
+ g_mutex_clear(il->data_mutex);
+ g_free(il->data_mutex);
+ g_cond_clear(il->can_destroy_cond);
+ g_free(il->can_destroy_cond);
+#else
g_mutex_free(il->data_mutex);
g_cond_free(il->can_destroy_cond);
#endif
+#endif
}
void image_loader_free(ImageLoader *il)
if (!fd) return NULL;
il = (ImageLoader *) g_object_new(TYPE_IMAGE_LOADER, NULL);
-
+
il->fd = file_data_ref(fd);
-
+
return il;
}
};
-static gint image_loader_emit_area_ready_cb(gpointer data)
+static gboolean image_loader_emit_area_ready_cb(gpointer data)
{
ImageLoaderAreaParam *par = data;
ImageLoader *il = par->il;
- g_signal_emit(il, signals[SIGNAL_AREA_READY], 0, par->x, par->y, par->w, par->h);
+ guint x, y, w, h;
g_mutex_lock(il->data_mutex);
il->area_param_list = g_list_remove(il->area_param_list, par);
+ x = par->x;
+ y = par->y;
+ w = par->w;
+ h = par->h;
g_free(par);
g_mutex_unlock(il->data_mutex);
-
+
+ g_signal_emit(il, signals[SIGNAL_AREA_READY], 0, x, y, w, h);
+
return FALSE;
}
-static gint image_loader_emit_done_cb(gpointer data)
+static gboolean image_loader_emit_done_cb(gpointer data)
{
ImageLoader *il = data;
g_signal_emit(il, signals[SIGNAL_DONE], 0);
return FALSE;
}
-static gint image_loader_emit_error_cb(gpointer data)
+static gboolean image_loader_emit_error_cb(gpointer data)
{
ImageLoader *il = data;
g_signal_emit(il, signals[SIGNAL_ERROR], 0);
return FALSE;
}
-static gint image_loader_emit_percent_cb(gpointer data)
+static gboolean image_loader_emit_percent_cb(gpointer data)
{
ImageLoader *il = data;
g_signal_emit(il, signals[SIGNAL_PERCENT], 0, image_loader_get_percent(il));
return FALSE;
}
-/* DONE and ERROR are emited only once, thus they can have normal priority
+static gboolean image_loader_emit_size_cb(gpointer data)
+{
+ gint width, height;
+ ImageLoader *il = data;
+ g_mutex_lock(il->data_mutex);
+ width = il->actual_width;
+ height = il->actual_height;
+ g_mutex_unlock(il->data_mutex);
+ g_signal_emit(il, signals[SIGNAL_SIZE], 0, width, height);
+ return FALSE;
+}
+
+
+/* DONE and ERROR are emitted only once, thus they can have normal priority
PERCENT and AREA_READY should be processed ASAP
*/
g_idle_add_full(G_PRIORITY_HIGH, image_loader_emit_percent_cb, il, NULL);
}
-static void image_loader_emit_area_ready(ImageLoader *il, guint x, guint y, guint w, guint h)
+static void image_loader_emit_size(ImageLoader *il)
+{
+ g_idle_add_full(G_PRIORITY_HIGH, image_loader_emit_size_cb, il, NULL);
+}
+
+static ImageLoaderAreaParam *image_loader_queue_area_ready(ImageLoader *il, GList **list, guint x, guint y, guint w, guint h)
{
+ if (*list)
+ {
+ ImageLoaderAreaParam *prev_par = (*list)->data;
+ if (prev_par->x == x && prev_par->w == w &&
+ prev_par->y + prev_par->h == y)
+ {
+ /* we can merge the notifications */
+ prev_par->h += h;
+ return NULL;
+ }
+ if (prev_par->x == x && prev_par->w == w &&
+ y + h == prev_par->y)
+ {
+ /* we can merge the notifications */
+ prev_par->h += h;
+ prev_par->y = y;
+ return NULL;
+ }
+ if (prev_par->y == y && prev_par->h == h &&
+ prev_par->x + prev_par->w == x)
+ {
+ /* we can merge the notifications */
+ prev_par->w += w;
+ return NULL;
+ }
+ if (prev_par->y == y && prev_par->h == h &&
+ x + w == prev_par->x)
+ {
+ /* we can merge the notifications */
+ prev_par->w += w;
+ prev_par->x = x;
+ return NULL;
+ }
+ }
+
ImageLoaderAreaParam *par = g_new0(ImageLoaderAreaParam, 1);
par->il = il;
par->x = x;
par->y = y;
par->w = w;
par->h = h;
-
- g_mutex_lock(il->data_mutex);
- il->area_param_list = g_list_prepend(il->area_param_list, par);
- g_mutex_unlock(il->data_mutex);
-
- g_idle_add_full(G_PRIORITY_HIGH, image_loader_emit_area_ready_cb, par, NULL);
+
+ *list = g_list_prepend(*list, par);
+ return par;
+}
+
+/* this function expects that il->data_mutex is locked by caller */
+static void image_loader_emit_area_ready(ImageLoader *il, guint x, guint y, guint w, guint h)
+{
+ ImageLoaderAreaParam *par = image_loader_queue_area_ready(il, &il->area_param_list, x, y, w, h);
+
+ if (par)
+ {
+ g_idle_add_full(G_PRIORITY_HIGH, image_loader_emit_area_ready_cb, par, NULL);
+ }
}
/**************************************************************************************/
/* the following functions may be executed in separate thread */
-static gint image_loader_get_stopping(ImageLoader *il)
+/* this function expects that il->data_mutex is locked by caller */
+static void image_loader_queue_delayed_area_ready(ImageLoader *il, guint x, guint y, guint w, guint h)
{
- gint ret;
+ image_loader_queue_area_ready(il, &il->area_param_delayed_list, x, y, w, h);
+}
+
+
+
+static gboolean image_loader_get_stopping(ImageLoader *il)
+{
+ gboolean ret;
if (!il) return FALSE;
g_mutex_lock(il->data_mutex);
return ret;
}
+
static void image_loader_sync_pixbuf(ImageLoader *il)
{
GdkPixbuf *pb;
-
+
g_mutex_lock(il->data_mutex);
-
- if (!il->loader)
+
+ if (!il->loader)
{
g_mutex_unlock(il->data_mutex);
return;
}
- pb = gdk_pixbuf_loader_get_pixbuf(il->loader);
+ pb = il->backend.get_pixbuf(il->loader);
if (pb == il->pixbuf)
{
return;
}
+ if (g_ascii_strcasecmp(".jps", il->fd->extension) == 0)
+ {
+ g_object_set_data(G_OBJECT(pb), "stereo_data", GINT_TO_POINTER(STEREO_PIXBUF_CROSS));
+ }
+
if (il->pixbuf) g_object_unref(il->pixbuf);
il->pixbuf = pb;
g_mutex_unlock(il->data_mutex);
}
-static void image_loader_area_updated_cb(GdkPixbufLoader *loader,
+static void image_loader_area_updated_cb(gpointer loader,
guint x, guint y, guint w, guint h,
gpointer data)
{
log_printf("critical: area_ready signal with NULL pixbuf (out of mem?)\n");
}
}
- image_loader_emit_area_ready(il, x, y, w, h);
+
+ g_mutex_lock(il->data_mutex);
+ if (il->delay_area_ready)
+ image_loader_queue_delayed_area_ready(il, x, y, w, h);
+ else
+ image_loader_emit_area_ready(il, x, y, w, h);
+
+ if (il->stopping) il->backend.abort(il->loader);
+
+ g_mutex_unlock(il->data_mutex);
}
-static void image_loader_area_prepared_cb(GdkPixbufLoader *loader, gpointer data)
+static void image_loader_area_prepared_cb(gpointer loader, gpointer data)
{
+ ImageLoader *il = data;
GdkPixbuf *pb;
guchar *pix;
size_t h, rs;
-
- /* a workaround for http://bugzilla.gnome.org/show_bug.cgi?id=547669 */
- gchar *format = gdk_pixbuf_format_get_name(gdk_pixbuf_loader_get_format(loader));
- if (strcmp(format, "svg") == 0)
+
+ /* a workaround for
+ http://bugzilla.gnome.org/show_bug.cgi?id=547669
+ http://bugzilla.gnome.org/show_bug.cgi?id=589334
+ */
+ gchar *format = il->backend.get_format_name(loader);
+ if (strcmp(format, "svg") == 0 ||
+ strcmp(format, "xpm") == 0)
{
g_free(format);
return;
}
-
+
g_free(format);
- pb = gdk_pixbuf_loader_get_pixbuf(loader);
-
+ pb = il->backend.get_pixbuf(loader);
+
h = gdk_pixbuf_get_height(pb);
rs = gdk_pixbuf_get_rowstride(pb);
pix = gdk_pixbuf_get_pixels(pb);
-
+
memset(pix, 0, rs * h); /*this should be faster than pixbuf_fill */
}
-static void image_loader_size_cb(GdkPixbufLoader *loader,
+static void image_loader_size_cb(gpointer loader,
gint width, gint height, gpointer data)
{
ImageLoader *il = data;
- GdkPixbufFormat *format;
gchar **mime_types;
- gint scale = FALSE;
+ gboolean scale = FALSE;
gint n;
g_mutex_lock(il->data_mutex);
- if (il->requested_width < 1 || il->requested_height < 1)
+ il->actual_width = width;
+ il->actual_height = height;
+ if (il->requested_width < 1 || il->requested_height < 1)
{
g_mutex_unlock(il->data_mutex);
+ image_loader_emit_size(il);
return;
}
g_mutex_unlock(il->data_mutex);
- format = gdk_pixbuf_loader_get_format(loader);
- if (!format) return;
-
- mime_types = gdk_pixbuf_format_get_mime_types(format);
+#ifdef HAVE_FFMPEGTHUMBNAILER
+ if (il->fd->format_class == FORMAT_CLASS_VIDEO)
+ scale = TRUE;
+#endif
+ mime_types = il->backend.get_format_mime_types(loader);
n = 0;
- while (mime_types[n])
+ while (mime_types[n] && !scale)
{
if (strstr(mime_types[n], "jpeg")) scale = TRUE;
n++;
}
g_strfreev(mime_types);
- if (!scale) return;
+ if (!scale)
+ {
+ image_loader_emit_size(il);
+ return;
+ }
g_mutex_lock(il->data_mutex);
+ gint nw, nh;
if (width > il->requested_width || height > il->requested_height)
{
- gint nw, nh;
if (((gdouble)il->requested_width / width) < ((gdouble)il->requested_height / height))
{
if (nw < 1) nw = 1;
}
- gdk_pixbuf_loader_set_size(loader, nw, nh);
+ il->actual_width = nw;
+ il->actual_height = nh;
+ il->backend.set_size(loader, nw, nh);
il->shrunk = TRUE;
}
- g_mutex_unlock(il->data_mutex);
+ g_mutex_unlock(il->data_mutex);
+ image_loader_emit_size(il);
}
static void image_loader_stop_loader(ImageLoader *il)
if (il->loader)
{
/* some loaders do not have a pixbuf till close, order is important here */
- gdk_pixbuf_loader_close(il->loader, NULL);
+ il->backend.close(il->loader, il->error ? NULL : &il->error); /* we are interested in the first error only */
image_loader_sync_pixbuf(il);
- g_object_unref(G_OBJECT(il->loader));
+ il->backend.free(il->loader);
il->loader = NULL;
}
g_mutex_lock(il->data_mutex);
static void image_loader_setup_loader(ImageLoader *il)
{
+#if defined HAVE_TIFF || defined HAVE_PDF || defined HAVE_HEIF || defined HAVE_DJVU
+ gchar *format;
+#endif
+
+ gint external_preview = 1;
+
g_mutex_lock(il->data_mutex);
- il->loader = gdk_pixbuf_loader_new();
-
- g_signal_connect(G_OBJECT(il->loader), "area_updated",
- G_CALLBACK(image_loader_area_updated_cb), il);
- g_signal_connect(G_OBJECT(il->loader), "size_prepared",
- G_CALLBACK(image_loader_size_cb), il);
- g_signal_connect(G_OBJECT(il->loader), "area_prepared",
- G_CALLBACK(image_loader_area_prepared_cb), il);
+
+ if (options->external_preview.enable)
+ {
+ gchar *cmd_line;
+ gchar *tilde_filename;
+
+ tilde_filename = expand_tilde(options->external_preview.select);
+
+ cmd_line = g_strdup_printf("\"%s\" \"%s\"" , tilde_filename, il->fd->path);
+
+ external_preview = runcmd(cmd_line);
+ g_free(cmd_line);
+ g_free(tilde_filename);
+ }
+
+ if (external_preview == 0)
+ {
+ DEBUG_1("Using custom external loader");
+ image_loader_backend_set_external(&il->backend);
+ }
+ else
+
+#ifdef HAVE_FFMPEGTHUMBNAILER
+ if (il->fd->format_class == FORMAT_CLASS_VIDEO)
+ {
+ DEBUG_1("Using custom ffmpegthumbnailer loader");
+ image_loader_backend_set_ft(&il->backend);
+ }
+ else
+#endif
+#ifdef HAVE_PDF
+ if (il->bytes_total >= 4 &&
+ (memcmp(il->mapped_file + 0, "%PDF", 4) == 0))
+ {
+ DEBUG_1("Using custom pdf loader");
+ image_loader_backend_set_pdf(&il->backend);
+ }
+ else
+#endif
+#ifdef HAVE_HEIF
+ if (il->bytes_total >= 12 &&
+ ((memcmp(il->mapped_file + 4, "ftypheic", 8) == 0) ||
+ (memcmp(il->mapped_file + 4, "ftypmsf1", 8) == 0) ||
+ (memcmp(il->mapped_file + 4, "ftypmif1", 8) == 0) ||
+ (memcmp(il->mapped_file + 4, "ftypavif", 8) == 0)))
+ {
+ DEBUG_1("Using custom heif loader");
+ image_loader_backend_set_heif(&il->backend);
+ }
+ else
+#endif
+#ifdef HAVE_WEBP
+ if (il->bytes_total >= 12 &&
+ (memcmp(il->mapped_file, "RIFF", 4) == 0) &&
+ (memcmp(il->mapped_file + 8, "WEBP", 4) == 0))
+ {
+ DEBUG_1("Using custom webp loader");
+ image_loader_backend_set_webp(&il->backend);
+ }
+ else
+#endif
+#ifdef HAVE_DJVU
+ if (il->bytes_total >= 16 &&
+ (memcmp(il->mapped_file, "AT&TFORM", 8) == 0) &&
+ (memcmp(il->mapped_file + 12, "DJV", 3) == 0))
+ {
+ DEBUG_1("Using custom djvu loader");
+ image_loader_backend_set_djvu(&il->backend);
+ }
+ else
+#endif
+#ifdef HAVE_JPEG
+ if (il->bytes_total >= 2 && il->mapped_file[0] == 0xff && il->mapped_file[1] == 0xd8)
+ {
+ DEBUG_1("Using custom jpeg loader");
+ image_loader_backend_set_jpeg(&il->backend);
+ }
+#ifndef HAVE_RAW
+ else
+ if (il->bytes_total >= 11 &&
+ (memcmp(il->mapped_file + 4, "ftypcrx", 7) == 0) &&
+ (memcmp(il->mapped_file + 64, "CanonCR3", 8) == 0))
+ {
+ DEBUG_1("Using custom cr3 loader");
+ image_loader_backend_set_cr3(&il->backend);
+ }
+#endif
+ else
+#endif
+#ifdef HAVE_TIFF
+ if (il->bytes_total >= 10 &&
+ (memcmp(il->mapped_file, "MM\0*", 4) == 0 ||
+ memcmp(il->mapped_file, "MM\0+\0\x08\0\0", 8) == 0 ||
+ memcmp(il->mapped_file, "II+\0\x08\0\0\0", 8) == 0 ||
+ memcmp(il->mapped_file, "II*\0", 4) == 0))
+ {
+ DEBUG_1("Using custom tiff loader");
+ image_loader_backend_set_tiff(&il->backend);
+ }
+ else
+#endif
+ if (il->bytes_total >= 3 && il->mapped_file[0] == 0x44 && il->mapped_file[1] == 0x44 && il->mapped_file[2] == 0x53)
+ {
+ DEBUG_1("Using dds loader");
+ image_loader_backend_set_dds(&il->backend);
+ }
+ else
+ if (il->bytes_total >= 6 &&
+ (memcmp(il->mapped_file, "8BPS\0\x01", 6) == 0))
+ {
+ DEBUG_1("Using custom psd loader");
+ image_loader_backend_set_psd(&il->backend);
+ }
+ else
+#ifdef HAVE_J2K
+ if (il->bytes_total >= 12 &&
+ (memcmp(il->mapped_file, "\0\0\0\x0CjP\x20\x20\x0D\x0A\x87\x0A", 12) == 0))
+ {
+ DEBUG_1("Using custom j2k loader");
+ image_loader_backend_set_j2k(&il->backend);
+ }
+ else
+#endif
+ if (il->fd->format_class == FORMAT_CLASS_COLLECTION)
+ {
+ DEBUG_1("Using custom collection loader");
+ image_loader_backend_set_collection(&il->backend);
+ }
+ else
+ if (g_strcmp0(strrchr(il->fd->path, '.'), ".svgz") == 0)
+ {
+ DEBUG_1("Using custom svgz loader");
+ image_loader_backend_set_svgz(&il->backend);
+ }
+ else
+ image_loader_backend_set_default(&il->backend);
+
+ il->loader = il->backend.loader_new(image_loader_area_updated_cb, image_loader_size_cb, image_loader_area_prepared_cb, il);
+
+#ifdef HAVE_TIFF
+ format = il->backend.get_format_name(il->loader);
+ if (g_strcmp0(format, "tiff") == 0)
+ {
+ il->backend.set_page_num(il->loader, il->fd->page_num);
+ }
+ g_free(format);
+#endif
+
+#ifdef HAVE_PDF
+ format = il->backend.get_format_name(il->loader);
+ if (g_strcmp0(format, "pdf") == 0)
+ {
+ il->backend.set_page_num(il->loader, il->fd->page_num);
+ }
+ g_free(format);
+#endif
+
+#ifdef HAVE_HEIF
+ format = il->backend.get_format_name(il->loader);
+ if (g_strcmp0(format, "heif") == 0)
+ {
+ il->backend.set_page_num(il->loader, il->fd->page_num);
+ }
+ g_free(format);
+#endif
+
+#ifdef HAVE_DJVU
+ format = il->backend.get_format_name(il->loader);
+ if (g_strcmp0(format, "djvu") == 0)
+ {
+ il->backend.set_page_num(il->loader, il->fd->page_num);
+ }
+ g_free(format);
+#endif
+
g_mutex_unlock(il->data_mutex);
}
image_loader_emit_error(il);
}
-static gint image_loader_continue(ImageLoader *il)
+static gboolean image_loader_continue(ImageLoader *il)
{
gint b;
gint c;
return FALSE;
}
- if (b < 0 || (b > 0 && !gdk_pixbuf_loader_write(il->loader, il->mapped_file + il->bytes_read, b, NULL)))
+ if (b < 0 || (b > 0 && !il->backend.write(il->loader, il->mapped_file + il->bytes_read, b, &il->error)))
{
image_loader_error(il);
return FALSE;
return TRUE;
}
-static gint image_loader_begin(ImageLoader *il)
+static gboolean image_loader_begin(ImageLoader *il)
{
- gint b;
-
+#if defined HAVE_TIFF || defined HAVE_PDF || defined HAVE_HEIF || defined HAVE_DJVU
+ gchar *format;
+#endif
+ gssize b;
+
if (il->pixbuf) return FALSE;
b = MIN(il->read_buffer_size, il->bytes_total - il->bytes_read);
image_loader_setup_loader(il);
- if (!gdk_pixbuf_loader_write(il->loader, il->mapped_file + il->bytes_read, b, NULL))
+ g_assert(il->bytes_read == 0);
+ if (il->backend.load) {
+ b = il->bytes_total;
+ if (!il->backend.load(il->loader, il->mapped_file, b, &il->error))
+ {
+ image_loader_stop_loader(il);
+ return FALSE;
+ }
+ }
+ else if (!il->backend.write(il->loader, il->mapped_file, b, &il->error))
{
image_loader_stop_loader(il);
return FALSE;
}
+#ifdef HAVE_PDF
+ format = il->backend.get_format_name(il->loader);
+ if (g_strcmp0(format, "pdf") == 0)
+ {
+ gint i = il->backend.get_page_total(il->loader);
+ file_data_set_page_total(il->fd, i);
+ }
+ g_free(format);
+#endif
+#ifdef HAVE_HEIF
+ format = il->backend.get_format_name(il->loader);
+ if (g_strcmp0(format, "heif") == 0)
+ {
+ gint i = il->backend.get_page_total(il->loader);
+ file_data_set_page_total(il->fd, i);
+ }
+ g_free(format);
+#endif
+#ifdef HAVE_DJVU
+ format = il->backend.get_format_name(il->loader);
+ if (g_strcmp0(format, "djvu") == 0)
+ {
+ gint i = il->backend.get_page_total(il->loader);
+ file_data_set_page_total(il->fd, i);
+ }
+ g_free(format);
+#endif
+#ifdef HAVE_TIFF
+ format = il->backend.get_format_name(il->loader);
+ if (g_strcmp0(format, "tiff") == 0)
+ {
+ gint i = il->backend.get_page_total(il->loader);
+ file_data_set_page_total(il->fd, i);
+ }
+ g_free(format);
+#endif
+
il->bytes_read += b;
/* read until size is known */
- while (il->loader && !gdk_pixbuf_loader_get_pixbuf(il->loader) && b > 0 && !image_loader_get_stopping(il))
+ while (il->loader && !il->backend.get_pixbuf(il->loader) && b > 0 && !image_loader_get_stopping(il))
{
b = MIN(il->read_buffer_size, il->bytes_total - il->bytes_read);
- if (b < 0 || (b > 0 && !gdk_pixbuf_loader_write(il->loader, il->mapped_file + il->bytes_read, b, NULL)))
+ if (b < 0 || (b > 0 && !il->backend.write(il->loader, il->mapped_file + il->bytes_read, b, &il->error)))
{
image_loader_stop_loader(il);
return FALSE;
/* the following functions are always executed in the main thread */
-static gint image_loader_setup_source(ImageLoader *il)
+static gboolean image_loader_setup_source(ImageLoader *il)
{
struct stat st;
gchar *pathl;
{
ExifData *exif = exif_read_fd(il->fd);
- il->mapped_file = exif_get_preview(exif, &il->bytes_total);
-
+ if (options->thumbnails.use_exif)
+ {
+ il->mapped_file = exif_get_preview(exif, (guint *)&il->bytes_total, il->requested_width, il->requested_height);
+
+ if (il->mapped_file)
+ {
+ il->preview = IMAGE_LOADER_PREVIEW_EXIF;
+ }
+ }
+ else
+ {
+ il->mapped_file = exif_get_preview(exif, (guint *)&il->bytes_total, 0, 0); /* get the largest available preview image or NULL for normal images*/
+
+ if (il->mapped_file)
+ {
+ /* Both exiv2 and libraw sometimes return a pointer to a file
+ * section that is not a jpeg */
+ if (!(il->mapped_file[0] == 0xFF && il->mapped_file[1] == 0xD8))
+ {
+ il->mapped_file = NULL;
+ }
+ else
+ {
+ il->preview = IMAGE_LOADER_PREVIEW_EXIF;
+ }
+ }
+ }
+
+ /* If exiv2 does not find a thumbnail, try libraw (which may be slower) */
+ if (!il->mapped_file)
+ {
+ il->mapped_file = libraw_get_preview(il, (guint *)&il->bytes_total);
+
+ if (il->mapped_file)
+ {
+ if (!(il->mapped_file[0] == 0xFF && il->mapped_file[1] == 0xD8))
+ {
+ il->mapped_file = NULL;
+ }
+ else
+ {
+ il->preview = IMAGE_LOADER_PREVIEW_LIBRAW;
+ }
+ }
+ }
+
if (il->mapped_file)
{
- il->preview = TRUE;
- DEBUG_1("Raw file %s contains embedded image", il->fd->path);
+ DEBUG_1("Usable reduced size (preview) image loaded from file %s", il->fd->path);
}
exif_free_fd(il->fd, exif);
}
-
+
if (!il->mapped_file)
{
/* normal file */
gint load_fd;
-
+
pathl = path_from_utf8(il->fd->path);
load_fd = open(pathl, O_RDONLY | O_NONBLOCK);
g_free(pathl);
close(load_fd);
return FALSE;
}
-
+
il->mapped_file = mmap(0, il->bytes_total, PROT_READ|PROT_WRITE, MAP_PRIVATE, load_fd, 0);
close(load_fd);
if (il->mapped_file == MAP_FAILED)
il->mapped_file = 0;
return FALSE;
}
- il->preview = FALSE;
+ il->preview = IMAGE_LOADER_PREVIEW_NONE;
}
-
+
return TRUE;
}
static void image_loader_stop_source(ImageLoader *il)
{
if (!il) return;
-
+
if (il->mapped_file)
{
- if (il->preview)
+ if (il->preview == IMAGE_LOADER_PREVIEW_EXIF)
{
exif_free_preview(il->mapped_file);
}
+ else if (il->preview == IMAGE_LOADER_PREVIEW_LIBRAW)
+ {
+ libraw_free_preview(il->mapped_file);
+ }
else
{
munmap(il->mapped_file, il->bytes_total);
{
if (!il) return;
- if (il->idle_id != -1)
+ if (il->idle_id)
{
g_source_remove(il->idle_id);
- il->idle_id = -1;
+ il->idle_id = 0;
}
-
+
if (il->thread)
{
/* stop loader in the other thread */
image_loader_stop_loader(il);
image_loader_stop_source(il);
-
+
+}
+
+void image_loader_delay_area_ready(ImageLoader *il, gboolean enable)
+{
+ g_mutex_lock(il->data_mutex);
+ il->delay_area_ready = enable;
+ if (!enable)
+ {
+ /* send delayed */
+ GList *list, *work;
+ list = g_list_reverse(il->area_param_delayed_list);
+ il->area_param_delayed_list = NULL;
+ g_mutex_unlock(il->data_mutex);
+
+ work = list;
+
+ while (work)
+ {
+ ImageLoaderAreaParam *par = work->data;
+ work = work->next;
+
+ g_signal_emit(il, signals[SIGNAL_AREA_READY], 0, par->x, par->y, par->w, par->h);
+ g_free(par);
+ }
+ g_list_free(list);
+ }
+ else
+ {
+ /* just unlock */
+ g_mutex_unlock(il->data_mutex);
+ }
}
+
/**************************************************************************************/
/* execution via idle calls */
-static gint image_loader_idle_cb(gpointer data)
+static gboolean image_loader_idle_cb(gpointer data)
{
- gint ret = FALSE;
+ gboolean ret = FALSE;
ImageLoader *il = data;
- if (il->idle_id != -1)
+
+ if (il->idle_id)
{
ret = image_loader_continue(il);
}
+
if (!ret)
{
image_loader_stop_source(il);
}
+
return ret;
}
-gint image_loader_start_idle(ImageLoader *il)
+static gboolean image_loader_start_idle(ImageLoader *il)
{
- gint ret;
+ gboolean ret;
+
if (!il) return FALSE;
if (!il->fd) return FALSE;
if (!image_loader_setup_source(il)) return FALSE;
-
+
ret = image_loader_begin(il);
if (ret && !il->done) il->idle_id = g_idle_add_full(il->idle_priority, image_loader_idle_cb, il, NULL);
/**************************************************************************************/
/* execution via thread */
+
+#ifdef HAVE_GTHREAD
static GThreadPool *image_loader_thread_pool = NULL;
static GCond *image_loader_prio_cond = NULL;
static gint image_loader_prio_num = 0;
-static void image_loader_thread_enter_high()
+static void image_loader_thread_enter_high(void)
{
g_mutex_lock(image_loader_prio_mutex);
image_loader_prio_num++;
g_mutex_unlock(image_loader_prio_mutex);
}
-static void image_loader_thread_leave_high()
+static void image_loader_thread_leave_high(void)
{
g_mutex_lock(image_loader_prio_mutex);
image_loader_prio_num--;
- if (image_loader_prio_num == 0) g_cond_signal(image_loader_prio_cond);
+ if (image_loader_prio_num == 0) g_cond_broadcast(image_loader_prio_cond); /* wake up all low prio threads */
g_mutex_unlock(image_loader_prio_mutex);
}
-static void image_loader_thread_wait_high()
+static void image_loader_thread_wait_high(void)
{
g_mutex_lock(image_loader_prio_mutex);
- while (image_loader_prio_num)
+ while (image_loader_prio_num)
{
g_cond_wait(image_loader_prio_cond, image_loader_prio_mutex);
}
}
-void image_loader_thread_run(gpointer data, gpointer user_data)
+static void image_loader_thread_run(gpointer data, gpointer user_data)
{
ImageLoader *il = data;
- gint cont;
-
- if (il->idle_priority > G_PRIORITY_DEFAULT_IDLE)
+ gboolean cont;
+ gboolean err;
+
+ if (il->idle_priority > G_PRIORITY_DEFAULT_IDLE)
{
- /* low prio, wait untill high prio tasks finishes */
+ /* low prio, wait until high prio tasks finishes */
image_loader_thread_wait_high();
}
else
/* high prio */
image_loader_thread_enter_high();
}
-
- cont = image_loader_begin(il);
-
- if (!cont && !image_loader_get_pixbuf(il))
+
+ err = !image_loader_begin(il);
+
+ if (err)
{
- /*
- loader failed, we have to send signal
+ /*
+ loader failed, we have to send signal
(idle mode returns the image_loader_begin return value directly)
(success is always reported indirectly from image_loader_begin)
*/
image_loader_emit_error(il);
}
-
+
+ cont = !err;
+
while (cont && !image_loader_get_is_done(il) && !image_loader_get_stopping(il))
{
- if (il->idle_priority > G_PRIORITY_DEFAULT_IDLE)
+ if (il->idle_priority > G_PRIORITY_DEFAULT_IDLE)
{
- /* low prio, wait untill high prio tasks finishes */
+ /* low prio, wait until high prio tasks finishes */
image_loader_thread_wait_high();
}
cont = image_loader_continue(il);
}
image_loader_stop_loader(il);
- if (il->idle_priority <= G_PRIORITY_DEFAULT_IDLE)
+ if (il->idle_priority <= G_PRIORITY_DEFAULT_IDLE)
{
/* high prio */
image_loader_thread_leave_high();
}
-gint image_loader_start_thread(ImageLoader *il)
+static gboolean image_loader_start_thread(ImageLoader *il)
{
if (!il) return FALSE;
if (!il->fd) return FALSE;
il->thread = TRUE;
-
+
if (!image_loader_setup_source(il)) return FALSE;
- if (!image_loader_thread_pool)
+ if (!image_loader_thread_pool)
{
image_loader_thread_pool = g_thread_pool_new(image_loader_thread_run, NULL, -1, FALSE, NULL);
+#if GLIB_CHECK_VERSION(2,32,0)
+ if (!image_loader_prio_cond) image_loader_prio_cond = g_new(GCond, 1);
+ g_cond_init(image_loader_prio_cond);
+ if (!image_loader_prio_mutex) image_loader_prio_mutex = g_new(GMutex, 1);
+ g_mutex_init(image_loader_prio_mutex);
+#else
image_loader_prio_cond = g_cond_new();
image_loader_prio_mutex = g_mutex_new();
+#endif
}
il->can_destroy = FALSE; /* ImageLoader can't be freed until image_loader_thread_run finishes */
g_thread_pool_push(image_loader_thread_pool, il, NULL);
DEBUG_1("Thread pool num threads: %d", g_thread_pool_get_num_threads(image_loader_thread_pool));
-
+
return TRUE;
}
+#endif /* HAVE_GTHREAD */
/**************************************************************************************/
/* public interface */
-gint image_loader_start(ImageLoader *il)
+gboolean image_loader_start(ImageLoader *il)
{
if (!il) return FALSE;
{
GdkPixbuf *ret;
if (!il) return NULL;
-
+
g_mutex_lock(il->data_mutex);
ret = il->pixbuf;
g_mutex_unlock(il->data_mutex);
return ret;
}
-gchar *image_loader_get_format(ImageLoader *il)
-{
- GdkPixbufFormat *format;
- gchar **mimev;
- gchar *mime;
-
- if (!il || !il->loader) return NULL;
-
- format = gdk_pixbuf_loader_get_format(il->loader);
- if (!format) return NULL;
-
- mimev = gdk_pixbuf_format_get_mime_types(format);
- if (!mimev) return NULL;
-
- /* return first member of mimev, as GdkPixbufLoader has no way to tell us which exact one ? */
- mime = g_strdup(mimev[0]);
- g_strfreev(mimev);
-
- return mime;
-}
-
void image_loader_set_requested_size(ImageLoader *il, gint width, gint height)
{
if (!il) return;
{
gdouble ret;
if (!il) return 0.0;
-
+
g_mutex_lock(il->data_mutex);
- if (il->bytes_total == 0)
+ if (il->bytes_total == 0)
{
ret = 0.0;
}
return ret;
}
-gint image_loader_get_is_done(ImageLoader *il)
+gboolean image_loader_get_is_done(ImageLoader *il)
{
- gint ret;
+ gboolean ret;
if (!il) return FALSE;
g_mutex_lock(il->data_mutex);
return ret;
}
-gint image_loader_get_shrunk(ImageLoader *il)
+gboolean image_loader_get_shrunk(ImageLoader *il)
{
- gint ret;
+ gboolean ret;
if (!il) return FALSE;
g_mutex_lock(il->data_mutex);
return ret;
}
+const gchar *image_loader_get_error(ImageLoader *il)
+{
+ const gchar *ret = NULL;
+ if (!il) return NULL;
+ g_mutex_lock(il->data_mutex);
+ if (il->error) ret = il->error->message;
+ g_mutex_unlock(il->data_mutex);
+ return ret;
+}
-/* FIXME - this can be rather slow and blocks until the size is known */
-gint image_load_dimensions(FileData *fd, gint *width, gint *height)
+
+/**
+ * @FIXME this can be rather slow and blocks until the size is known
+ */
+gboolean image_load_dimensions(FileData *fd, gint *width, gint *height)
{
ImageLoader *il;
- gint success;
+ gboolean success;
il = image_loader_new(fd);
return success;
}
+/* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */
projects / geeqie.git / blobdiff