Mercurial > hg > forks > geeqie
view src/image_load_ffmpegthumbnailer.c @ 2900:b0b3e1948746
Add export-jpg to POTFILES.in
author | Andreas Rönnquist <andreas@ronnquist.net> |
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date | Thu, 18 Oct 2018 23:20:41 +0200 |
parents | bef1f1a91df9 |
children |
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/* * Copyright (C) 2004 John Ellis * Copyright (C) 2008 - 2016 The Geeqie Team * * Author: Tomasz Golinski <tomaszg@math.uwb.edu.pl> * * 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_ffmpegthumbnailer.h" #ifdef HAVE_FFMPEGTHUMBNAILER #include <libffmpegthumbnailer/videothumbnailerc.h> typedef struct _ImageLoaderFT ImageLoaderFT; struct _ImageLoaderFT { ImageLoaderBackendCbAreaUpdated area_updated_cb; ImageLoaderBackendCbSize size_cb; ImageLoaderBackendCbAreaPrepared area_prepared_cb; video_thumbnailer *vt; gpointer data; GdkPixbuf *pixbuf; guint requested_width; guint requested_height; }; static void image_loader_ft_log_cb(ThumbnailerLogLevel log_level, const char* msg) { if (log_level == ThumbnailerLogLevelError) log_printf("ImageLoaderFFmpegthumbnailer: %s",msg); else DEBUG_1("ImageLoaderFFmpegthumbnailer: %s",msg); } void image_loader_ft_destroy_image_data(guchar *pixels, gpointer data) { image_data *image = (image_data *) data; video_thumbnailer_destroy_image_data (image); } static gchar* image_loader_ft_get_format_name(gpointer loader) { return g_strdup("ffmpeg"); } static gchar** image_loader_ft_get_format_mime_types(gpointer loader) { static gchar *mime[] = {"video/mp4", NULL}; return g_strdupv(mime);} static gpointer image_loader_ft_new(ImageLoaderBackendCbAreaUpdated area_updated_cb, ImageLoaderBackendCbSize size_cb, ImageLoaderBackendCbAreaPrepared area_prepared_cb, gpointer data) { ImageLoaderFT *loader = g_new0(ImageLoaderFT, 1); loader->area_updated_cb = area_updated_cb; loader->size_cb = size_cb; loader->area_prepared_cb = area_prepared_cb; loader->data = data; loader->vt = video_thumbnailer_create(); loader->vt->overlay_film_strip = 1; loader->vt->maintain_aspect_ratio = 1; #if HAVE_FFMPEGTHUMBNAILER_RGB video_thumbnailer_set_log_callback(loader->vt, image_loader_ft_log_cb); #endif return (gpointer) loader; } static void image_loader_ft_set_size(gpointer loader, int width, int height) { ImageLoaderFT *lft = (ImageLoaderFT *) loader; lft->requested_width = width; lft->requested_height = height; DEBUG_1("TG: setting size, w=%d, h=%d", width, height); } // static gboolean image_loader_ft_loadfromdisk(gpointer loader, const gchar *path, GError **error) static gboolean image_loader_ft_load (gpointer loader, const guchar *buf, gsize count, GError **error) { ImageLoaderFT *lft = (ImageLoaderFT *) loader; ImageLoader *il = lft->data; image_data *image = video_thumbnailer_create_image_data(); #ifdef HAVE_FFMPEGTHUMBNAILER_WH // DEBUG_1("TG: FT requested size w=%d:h=%d for %s", lft->requested_width > 0, lft->requested_height, il->fd->path); video_thumbnailer_set_size(lft->vt, lft->requested_width, lft->requested_height); #else lft->vt->thumbnail_size = MAX(lft->requested_width,lft->requested_width); #endif #ifdef HAVE_FFMPEGTHUMBNAILER_METADATA lft->vt->prefer_embedded_metadata = options->thumbnails.use_ft_metadata ? 1 : 0; #endif #if HAVE_FFMPEGTHUMBNAILER_RGB lft->vt->thumbnail_image_type = Rgb; #else lft->vt->thumbnail_image_type = Png; #endif video_thumbnailer_generate_thumbnail_to_buffer (lft->vt, il->fd->path, image); #if HAVE_FFMPEGTHUMBNAILER_RGB 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); lft->size_cb(loader, image->image_data_width, image->image_data_height, lft->data); lft->area_updated_cb(loader, 0, 0, image->image_data_width, image->image_data_height, lft->data); #else GInputStream *image_stream; image_stream = g_memory_input_stream_new_from_data (image->image_data_ptr, image->image_data_size, NULL); if (image_stream == NULL) { video_thumbnailer_destroy_image_data (image); DEBUG_1("FFmpegthumbnailer: cannot open stream for %s", il->fd->path); return FALSE; } lft->pixbuf = gdk_pixbuf_new_from_stream (image_stream, NULL, NULL); lft->size_cb(loader, gdk_pixbuf_get_width(lft->pixbuf), gdk_pixbuf_get_height(lft->pixbuf), lft->data); g_object_unref (image_stream); video_thumbnailer_destroy_image_data (image); #endif if (!lft->pixbuf) { DEBUG_1("FFmpegthumbnailer: no frame generated for %s", il->fd->path); return FALSE; } /* See comment in image_loader_area_prepared_cb * Geeqie uses area_prepared signal to fill pixbuf with background color. * We can't do it here as pixbuf already contains the data */ // lft->area_prepared_cb(loader, lft->data); lft->area_updated_cb(loader, 0, 0, gdk_pixbuf_get_width(lft->pixbuf), gdk_pixbuf_get_height(lft->pixbuf), lft->data); return TRUE; } static GdkPixbuf* image_loader_ft_get_pixbuf(gpointer loader) { ImageLoaderFT *lft = (ImageLoaderFT *) loader; return lft->pixbuf; } static void image_loader_ft_abort(gpointer loader) { } static gboolean image_loader_ft_close(gpointer loader, GError **error) { return TRUE; } static void image_loader_ft_free(gpointer loader) { ImageLoaderFT *lft = (ImageLoaderFT *) loader; if (lft->pixbuf) g_object_unref(lft->pixbuf); video_thumbnailer_destroy (lft->vt); g_free(lft); } void image_loader_backend_set_ft(ImageLoaderBackend *funcs) { funcs->loader_new = image_loader_ft_new; funcs->set_size = image_loader_ft_set_size; funcs->load = image_loader_ft_load; funcs->write = NULL; funcs->get_pixbuf = image_loader_ft_get_pixbuf; funcs->close = image_loader_ft_close; funcs->abort = image_loader_ft_abort; funcs->free = image_loader_ft_free; funcs->get_format_name = image_loader_ft_get_format_name; funcs->get_format_mime_types = image_loader_ft_get_format_mime_types; } #endif /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */