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"
28 #ifdef HAVE_FFMPEGTHUMBNAILER
29 #include <libffmpegthumbnailer/videothumbnailerc.h>
31 struct ImageLoaderFT {
32 ImageLoaderBackendCbAreaUpdated area_updated_cb;
33 ImageLoaderBackendCbSize size_cb;
34 ImageLoaderBackendCbAreaPrepared area_prepared_cb;
36 video_thumbnailer *vt;
41 guint requested_width;
42 guint requested_height;
46 #if HAVE_FFMPEGTHUMBNAILER_RGB
47 static void image_loader_ft_log_cb(ThumbnailerLogLevel log_level, const char* msg)
49 if (log_level == ThumbnailerLogLevelError)
50 log_printf("ImageLoaderFFmpegthumbnailer: %s",msg);
52 DEBUG_1("ImageLoaderFFmpegthumbnailer: %s",msg);
56 void image_loader_ft_destroy_image_data(guchar *, gpointer data)
58 auto image = static_cast<image_data *>(data);
60 video_thumbnailer_destroy_image_data (image);
63 static gchar* image_loader_ft_get_format_name(gpointer)
65 return g_strdup("ffmpeg");
68 static gchar** image_loader_ft_get_format_mime_types(gpointer)
70 static const gchar *mime[] = {"video/mp4", nullptr};
71 return g_strdupv(const_cast<gchar **>(mime));
74 static gpointer image_loader_ft_new(ImageLoaderBackendCbAreaUpdated area_updated_cb, ImageLoaderBackendCbSize size_cb, ImageLoaderBackendCbAreaPrepared area_prepared_cb, gpointer data)
76 auto loader = g_new0(ImageLoaderFT, 1);
78 loader->area_updated_cb = area_updated_cb;
79 loader->size_cb = size_cb;
80 loader->area_prepared_cb = area_prepared_cb;
83 loader->vt = video_thumbnailer_create();
84 loader->vt->overlay_film_strip = 1;
85 loader->vt->maintain_aspect_ratio = 1;
86 #if HAVE_FFMPEGTHUMBNAILER_RGB
87 video_thumbnailer_set_log_callback(loader->vt, image_loader_ft_log_cb);
93 static void image_loader_ft_set_size(gpointer loader, int width, int height)
95 auto lft = static_cast<ImageLoaderFT *>(loader);
96 lft->requested_width = width;
97 lft->requested_height = height;
98 DEBUG_1("TG: setting size, w=%d, h=%d", width, height);
101 static gboolean image_loader_ft_load (gpointer loader, const guchar *, gsize, GError **)
103 auto lft = static_cast<ImageLoaderFT *>(loader);
104 auto il = static_cast<ImageLoader *>(lft->data);
106 image_data *image = video_thumbnailer_create_image_data();
108 #ifdef HAVE_FFMPEGTHUMBNAILER_WH
109 video_thumbnailer_set_size(lft->vt, lft->requested_width, lft->requested_height);
111 lft->vt->thumbnail_size = MAX(lft->requested_width,lft->requested_height);
114 #ifdef HAVE_FFMPEGTHUMBNAILER_METADATA
115 lft->vt->prefer_embedded_metadata = options->thumbnails.use_ft_metadata ? 1 : 0;
118 #if HAVE_FFMPEGTHUMBNAILER_RGB
119 lft->vt->thumbnail_image_type = Rgb;
121 lft->vt->thumbnail_image_type = Png;
124 video_thumbnailer_generate_thumbnail_to_buffer (lft->vt, il->fd->path, image);
126 #if HAVE_FFMPEGTHUMBNAILER_RGB
127 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);
128 lft->size_cb(loader, image->image_data_width, image->image_data_height, lft->data);
129 lft->area_updated_cb(loader, 0, 0, image->image_data_width, image->image_data_height, lft->data);
131 GInputStream *image_stream;
132 image_stream = g_memory_input_stream_new_from_data (image->image_data_ptr, image->image_data_size, nullptr);
134 if (image_stream == nullptr)
136 video_thumbnailer_destroy_image_data (image);
137 DEBUG_1("FFmpegthumbnailer: cannot open stream for %s", il->fd->path);
141 lft->pixbuf = gdk_pixbuf_new_from_stream (image_stream, nullptr, nullptr);
142 lft->size_cb(loader, gdk_pixbuf_get_width(lft->pixbuf), gdk_pixbuf_get_height(lft->pixbuf), lft->data);
143 g_object_unref (image_stream);
144 video_thumbnailer_destroy_image_data (image);
149 DEBUG_1("FFmpegthumbnailer: no frame generated for %s", il->fd->path);
153 /** See comment in image_loader_area_prepared_cb
154 * Geeqie uses area_prepared signal to fill pixbuf with background color.
155 * We can't do it here as pixbuf already contains the data
156 * lft->area_prepared_cb(loader, lft->data);
158 lft->area_updated_cb(loader, 0, 0, gdk_pixbuf_get_width(lft->pixbuf), gdk_pixbuf_get_height(lft->pixbuf), lft->data);
163 static GdkPixbuf* image_loader_ft_get_pixbuf(gpointer loader)
165 auto lft = static_cast<ImageLoaderFT *>(loader);
169 static void image_loader_ft_abort(gpointer)
173 static gboolean image_loader_ft_close(gpointer, GError **)
178 static void image_loader_ft_free(gpointer loader)
180 auto lft = static_cast<ImageLoaderFT *>(loader);
181 if (lft->pixbuf) g_object_unref(lft->pixbuf);
182 video_thumbnailer_destroy (lft->vt);
187 void image_loader_backend_set_ft(ImageLoaderBackend *funcs)
189 funcs->loader_new = image_loader_ft_new;
190 funcs->set_size = image_loader_ft_set_size;
191 funcs->load = image_loader_ft_load;
192 funcs->write = nullptr;
193 funcs->get_pixbuf = image_loader_ft_get_pixbuf;
194 funcs->close = image_loader_ft_close;
195 funcs->abort = image_loader_ft_abort;
196 funcs->free = image_loader_ft_free;
198 funcs->get_format_name = image_loader_ft_get_format_name;
199 funcs->get_format_mime_types = image_loader_ft_get_format_mime_types;
203 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */