2 * Copyright (C) 2004 John Ellis
3 * Copyright (C) 2008 - 2016 The Geeqie Team
5 * Author: Tomasz Golinski <tomaszg@math.uwb.edu.pl>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23 #include "image-load.h"
24 #include "image-load-ffmpegthumbnailer.h"
26 #ifdef HAVE_FFMPEGTHUMBNAILER
27 #include <libffmpegthumbnailer/videothumbnailerc.h>
29 typedef struct _ImageLoaderFT ImageLoaderFT;
30 struct _ImageLoaderFT {
31 ImageLoaderBackendCbAreaUpdated area_updated_cb;
32 ImageLoaderBackendCbSize size_cb;
33 ImageLoaderBackendCbAreaPrepared area_prepared_cb;
35 video_thumbnailer *vt;
40 guint requested_width;
41 guint requested_height;
45 #if HAVE_FFMPEGTHUMBNAILER_RGB
46 static void image_loader_ft_log_cb(ThumbnailerLogLevel log_level, const char* msg)
48 if (log_level == ThumbnailerLogLevelError)
49 log_printf("ImageLoaderFFmpegthumbnailer: %s",msg);
51 DEBUG_1("ImageLoaderFFmpegthumbnailer: %s",msg);
55 void image_loader_ft_destroy_image_data(guchar *UNUSED(pixels), gpointer data)
57 image_data *image = (image_data *) data;
59 video_thumbnailer_destroy_image_data (image);
62 static gchar* image_loader_ft_get_format_name(gpointer UNUSED(loader))
64 return g_strdup("ffmpeg");
67 static gchar** image_loader_ft_get_format_mime_types(gpointer UNUSED(loader))
69 static const gchar *mime[] = {"video/mp4", NULL};
70 return g_strdupv(const_cast<gchar **>(mime));
73 static gpointer image_loader_ft_new(ImageLoaderBackendCbAreaUpdated area_updated_cb, ImageLoaderBackendCbSize size_cb, ImageLoaderBackendCbAreaPrepared area_prepared_cb, gpointer data)
75 ImageLoaderFT *loader = g_new0(ImageLoaderFT, 1);
77 loader->area_updated_cb = area_updated_cb;
78 loader->size_cb = size_cb;
79 loader->area_prepared_cb = area_prepared_cb;
82 loader->vt = video_thumbnailer_create();
83 loader->vt->overlay_film_strip = 1;
84 loader->vt->maintain_aspect_ratio = 1;
85 #if HAVE_FFMPEGTHUMBNAILER_RGB
86 video_thumbnailer_set_log_callback(loader->vt, image_loader_ft_log_cb);
89 return (gpointer) loader;
92 static void image_loader_ft_set_size(gpointer loader, int width, int height)
94 ImageLoaderFT *lft = (ImageLoaderFT *) loader;
95 lft->requested_width = width;
96 lft->requested_height = height;
97 DEBUG_1("TG: setting size, w=%d, h=%d", width, height);
100 // static gboolean image_loader_ft_loadfromdisk(gpointer loader, const gchar *path, GError **error)
101 static gboolean image_loader_ft_load (gpointer loader, const guchar *UNUSED(buf), gsize UNUSED(count), GError **UNUSED(error))
103 ImageLoaderFT *lft = (ImageLoaderFT *) loader;
104 ImageLoader *il = static_cast<ImageLoader *>(lft->data);
106 image_data *image = video_thumbnailer_create_image_data();
108 #ifdef HAVE_FFMPEGTHUMBNAILER_WH
109 // DEBUG_1("TG: FT requested size w=%d:h=%d for %s", lft->requested_width > 0, lft->requested_height, il->fd->path);
110 video_thumbnailer_set_size(lft->vt, lft->requested_width, lft->requested_height);
112 lft->vt->thumbnail_size = MAX(lft->requested_width,lft->requested_width);
115 #ifdef HAVE_FFMPEGTHUMBNAILER_METADATA
116 lft->vt->prefer_embedded_metadata = options->thumbnails.use_ft_metadata ? 1 : 0;
119 #if HAVE_FFMPEGTHUMBNAILER_RGB
120 lft->vt->thumbnail_image_type = Rgb;
122 lft->vt->thumbnail_image_type = Png;
125 video_thumbnailer_generate_thumbnail_to_buffer (lft->vt, il->fd->path, image);
127 #if HAVE_FFMPEGTHUMBNAILER_RGB
128 lft->pixbuf = gdk_pixbuf_new_from_data (image->image_data_ptr, GDK_COLORSPACE_RGB, FALSE, 8, image->image_data_width, image->image_data_height, image->image_data_width*3, image_loader_ft_destroy_image_data, image);
129 lft->size_cb(loader, image->image_data_width, image->image_data_height, lft->data);
130 lft->area_updated_cb(loader, 0, 0, image->image_data_width, image->image_data_height, lft->data);
132 GInputStream *image_stream;
133 image_stream = g_memory_input_stream_new_from_data (image->image_data_ptr, image->image_data_size, NULL);
135 if (image_stream == NULL)
137 video_thumbnailer_destroy_image_data (image);
138 DEBUG_1("FFmpegthumbnailer: cannot open stream for %s", il->fd->path);
142 lft->pixbuf = gdk_pixbuf_new_from_stream (image_stream, NULL, NULL);
143 lft->size_cb(loader, gdk_pixbuf_get_width(lft->pixbuf), gdk_pixbuf_get_height(lft->pixbuf), lft->data);
144 g_object_unref (image_stream);
145 video_thumbnailer_destroy_image_data (image);
150 DEBUG_1("FFmpegthumbnailer: no frame generated for %s", il->fd->path);
154 /* See comment in image_loader_area_prepared_cb
155 * Geeqie uses area_prepared signal to fill pixbuf with background color.
156 * We can't do it here as pixbuf already contains the data */
157 // lft->area_prepared_cb(loader, lft->data);
159 lft->area_updated_cb(loader, 0, 0, gdk_pixbuf_get_width(lft->pixbuf), gdk_pixbuf_get_height(lft->pixbuf), lft->data);
164 static GdkPixbuf* image_loader_ft_get_pixbuf(gpointer loader)
166 ImageLoaderFT *lft = (ImageLoaderFT *) loader;
170 static void image_loader_ft_abort(gpointer UNUSED(loader))
174 static gboolean image_loader_ft_close(gpointer UNUSED(loader), GError **UNUSED(error))
179 static void image_loader_ft_free(gpointer loader)
181 ImageLoaderFT *lft = (ImageLoaderFT *) loader;
182 if (lft->pixbuf) g_object_unref(lft->pixbuf);
183 video_thumbnailer_destroy (lft->vt);
188 void image_loader_backend_set_ft(ImageLoaderBackend *funcs)
190 funcs->loader_new = image_loader_ft_new;
191 funcs->set_size = image_loader_ft_set_size;
192 funcs->load = image_loader_ft_load;
194 funcs->get_pixbuf = image_loader_ft_get_pixbuf;
195 funcs->close = image_loader_ft_close;
196 funcs->abort = image_loader_ft_abort;
197 funcs->free = image_loader_ft_free;
199 funcs->get_format_name = image_loader_ft_get_format_name;
200 funcs->get_format_mime_types = image_loader_ft_get_format_mime_types;
204 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */