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.
22 #include "image-load-ffmpegthumbnailer.h"
26 #ifdef HAVE_FFMPEGTHUMBNAILER
27 #include <libffmpegthumbnailer/videothumbnailerc.h>
31 #include "image-load.h"
34 struct ImageLoaderFT {
35 ImageLoaderBackendCbAreaUpdated area_updated_cb;
36 ImageLoaderBackendCbSize size_cb;
37 ImageLoaderBackendCbAreaPrepared area_prepared_cb;
39 video_thumbnailer *vt;
44 guint requested_width;
45 guint requested_height;
49 #if HAVE_FFMPEGTHUMBNAILER_RGB
50 static void image_loader_ft_log_cb(ThumbnailerLogLevel log_level, const char* msg)
52 if (log_level == ThumbnailerLogLevelError)
53 log_printf("ImageLoaderFFmpegthumbnailer: %s",msg);
55 DEBUG_1("ImageLoaderFFmpegthumbnailer: %s",msg);
59 void image_loader_ft_destroy_image_data(guchar *, gpointer data)
61 auto image = static_cast<image_data *>(data);
63 video_thumbnailer_destroy_image_data (image);
66 static gchar* image_loader_ft_get_format_name(gpointer)
68 return g_strdup("ffmpeg");
71 static gchar** image_loader_ft_get_format_mime_types(gpointer)
73 static const gchar *mime[] = {"video/mp4", nullptr};
74 return g_strdupv(const_cast<gchar **>(mime));
77 static gpointer image_loader_ft_new(ImageLoaderBackendCbAreaUpdated area_updated_cb, ImageLoaderBackendCbSize size_cb, ImageLoaderBackendCbAreaPrepared area_prepared_cb, gpointer data)
79 auto loader = g_new0(ImageLoaderFT, 1);
81 loader->area_updated_cb = area_updated_cb;
82 loader->size_cb = size_cb;
83 loader->area_prepared_cb = area_prepared_cb;
86 loader->vt = video_thumbnailer_create();
87 loader->vt->overlay_film_strip = 1;
88 loader->vt->maintain_aspect_ratio = 1;
89 #if HAVE_FFMPEGTHUMBNAILER_RGB
90 video_thumbnailer_set_log_callback(loader->vt, image_loader_ft_log_cb);
96 static void image_loader_ft_set_size(gpointer loader, int width, int height)
98 auto lft = static_cast<ImageLoaderFT *>(loader);
99 lft->requested_width = width;
100 lft->requested_height = height;
101 DEBUG_1("TG: setting size, w=%d, h=%d", width, height);
104 static gboolean image_loader_ft_load (gpointer loader, const guchar *, gsize, GError **)
106 auto lft = static_cast<ImageLoaderFT *>(loader);
107 auto il = static_cast<ImageLoader *>(lft->data);
109 image_data *image = video_thumbnailer_create_image_data();
111 #ifdef HAVE_FFMPEGTHUMBNAILER_WH
112 video_thumbnailer_set_size(lft->vt, lft->requested_width, lft->requested_height);
114 lft->vt->thumbnail_size = MAX(lft->requested_width,lft->requested_height);
117 #ifdef HAVE_FFMPEGTHUMBNAILER_METADATA
118 lft->vt->prefer_embedded_metadata = options->thumbnails.use_ft_metadata ? 1 : 0;
121 #if HAVE_FFMPEGTHUMBNAILER_RGB
122 lft->vt->thumbnail_image_type = Rgb;
124 lft->vt->thumbnail_image_type = Png;
127 video_thumbnailer_generate_thumbnail_to_buffer (lft->vt, il->fd->path, image);
129 #if HAVE_FFMPEGTHUMBNAILER_RGB
130 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);
131 lft->size_cb(loader, image->image_data_width, image->image_data_height, lft->data);
132 lft->area_updated_cb(loader, 0, 0, image->image_data_width, image->image_data_height, lft->data);
134 GInputStream *image_stream;
135 image_stream = g_memory_input_stream_new_from_data (image->image_data_ptr, image->image_data_size, nullptr);
137 if (image_stream == nullptr)
139 video_thumbnailer_destroy_image_data (image);
140 DEBUG_1("FFmpegthumbnailer: cannot open stream for %s", il->fd->path);
144 lft->pixbuf = gdk_pixbuf_new_from_stream (image_stream, nullptr, nullptr);
145 lft->size_cb(loader, gdk_pixbuf_get_width(lft->pixbuf), gdk_pixbuf_get_height(lft->pixbuf), lft->data);
146 g_object_unref (image_stream);
147 video_thumbnailer_destroy_image_data (image);
152 DEBUG_1("FFmpegthumbnailer: no frame generated for %s", il->fd->path);
156 /** See comment in image_loader_area_prepared_cb
157 * Geeqie uses area_prepared signal to fill pixbuf with background color.
158 * We can't do it here as pixbuf already contains the data
159 * lft->area_prepared_cb(loader, lft->data);
161 lft->area_updated_cb(loader, 0, 0, gdk_pixbuf_get_width(lft->pixbuf), gdk_pixbuf_get_height(lft->pixbuf), lft->data);
166 static GdkPixbuf* image_loader_ft_get_pixbuf(gpointer loader)
168 auto lft = static_cast<ImageLoaderFT *>(loader);
172 static void image_loader_ft_abort(gpointer)
176 static gboolean image_loader_ft_close(gpointer, GError **)
181 static void image_loader_ft_free(gpointer loader)
183 auto lft = static_cast<ImageLoaderFT *>(loader);
184 if (lft->pixbuf) g_object_unref(lft->pixbuf);
185 video_thumbnailer_destroy (lft->vt);
190 void image_loader_backend_set_ft(ImageLoaderBackend *funcs)
192 funcs->loader_new = image_loader_ft_new;
193 funcs->set_size = image_loader_ft_set_size;
194 funcs->load = image_loader_ft_load;
195 funcs->write = nullptr;
196 funcs->get_pixbuf = image_loader_ft_get_pixbuf;
197 funcs->close = image_loader_ft_close;
198 funcs->abort = image_loader_ft_abort;
199 funcs->free = image_loader_ft_free;
201 funcs->get_format_name = image_loader_ft_get_format_name;
202 funcs->get_format_mime_types = image_loader_ft_get_format_mime_types;
206 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */