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Diffstat (limited to 'ext/gdk_pixbuf/gst_loader.c')
-rw-r--r--ext/gdk_pixbuf/gst_loader.c280
1 files changed, 0 insertions, 280 deletions
diff --git a/ext/gdk_pixbuf/gst_loader.c b/ext/gdk_pixbuf/gst_loader.c
deleted file mode 100644
index f10c90b0b..000000000
--- a/ext/gdk_pixbuf/gst_loader.c
+++ /dev/null
@@ -1,280 +0,0 @@
-/*
- * Copyright (C) 2003 Benjamin Otte <in7y118@public.uni-hamburg.de>
- *
- * gst_loader.c: Load GStreamer videos as gdkpixbufs
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "gstgdkanimation.h"
-#include <gst/gstinfo.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-
-
-typedef struct
-{
- /* stuff gdk throws at us and we're supposed to keep */
- GdkPixbufModuleSizeFunc size_func;
- GdkPixbufModulePreparedFunc prepared_func;
- GdkPixbufModuleUpdatedFunc updated_func;
- gpointer user_data;
- /* our own stuff - we're much better at keeping fields small :p */
- GstGdkAnimation *ani;
- gboolean initialized;
-}
-GstLoaderContext;
-
-GST_DEBUG_CATEGORY_STATIC (gst_loader_debug);
-#define GST_CAT_DEFAULT gst_loader_debug
-
-static gboolean
-gst_loader_init (GError ** error)
-{
- static gboolean inited = FALSE;
-
- if (inited)
- return TRUE;
-
- if (!g_thread_supported ()) {
- g_set_error (error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED,
- "The GStreamer loader requires threading support.");
- return FALSE;
- }
-
- if (!gst_init_check (0, NULL)) {
- g_set_error (error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED,
- "GStreamer could not be initialized.");
- return FALSE;
- }
-
- inited = TRUE;
- GST_DEBUG_CATEGORY_INIT (gst_loader_debug, "gstloader", 0,
- "entry point debugging for the GStreamer gdk pixbuf loader");
- return TRUE;
-}
-
-static gpointer
-gst_loader_begin_load (GdkPixbufModuleSizeFunc size_func,
- GdkPixbufModulePreparedFunc prepared_func,
- GdkPixbufModuleUpdatedFunc updated_func, gpointer user_data,
- GError ** error)
-{
- GstLoaderContext *context;
-
- if (!gst_loader_init (error))
- return NULL;
-
- context = g_new (GstLoaderContext, 1);
- context->size_func = size_func;
- context->prepared_func = prepared_func;
- context->updated_func = updated_func;
- context->user_data = user_data;
- context->ani = gst_gdk_animation_new (error);
- context->initialized = FALSE;
-
- if (!context->ani) {
- GST_WARNING ("creating animation failed");
- g_free (context);
- return NULL;
- }
- context->ani->temp_fd =
- g_file_open_tmp (NULL, &context->ani->temp_location, error);
- if (context->ani->temp_fd == 0) {
- g_object_unref (context->ani);
- g_free (context);
- return NULL;
- }
-
- GST_LOG_OBJECT (context->ani, "begin loading");
- return context;
-}
-
-static gboolean
-gst_loader_load_increment (gpointer context_pointer, const guchar * buf,
- guint size, GError ** error)
-{
- GdkPixbufAnimationIter *iter;
- GstLoaderContext *context = (GstLoaderContext *) context_pointer;
-
- GST_LOG_OBJECT (context->ani, "load increment: %u bytes", size);
- gst_gdk_animation_add_data (context->ani, buf, size);
- if (!context->initialized
- && (iter =
- gdk_pixbuf_animation_get_iter (GDK_PIXBUF_ANIMATION (context->ani),
- NULL)) != NULL) {
- int width =
- gdk_pixbuf_animation_get_width (GDK_PIXBUF_ANIMATION (context->ani));
- int height =
- gdk_pixbuf_animation_get_height (GDK_PIXBUF_ANIMATION (context->ani));
- GdkPixbuf *pixbuf =
- gdk_pixbuf_animation_get_static_image (GDK_PIXBUF_ANIMATION (context->
- ani));
-
- g_object_unref (iter);
- GST_LOG_OBJECT (context->ani, "initializing loader");
- if (context->size_func) {
- GST_LOG_OBJECT (context->ani, "calling size_func %p", context->size_func);
- context->size_func (&width, &height, context->user_data);
- }
-
- if (context->prepared_func) {
- GST_LOG_OBJECT (context->ani, "calling prepared_func %p",
- context->prepared_func);
- context->prepared_func (pixbuf, GDK_PIXBUF_ANIMATION (context->ani),
- context->user_data);
- }
-
- context->initialized = TRUE;
- }
-
- return TRUE;
-}
-
-static gboolean
-gst_loader_stop_load (gpointer context_pointer, GError ** error)
-{
- GstLoaderContext *context = (GstLoaderContext *) context_pointer;
-
- GST_LOG_OBJECT (context->ani, "stop loading");
- gst_gdk_animation_done_adding (context->ani);
- g_object_unref (context->ani);
- g_free (context);
-
- return TRUE;
-}
-
-static GdkPixbufAnimation *
-gst_loader_load_animation (FILE * f, GError ** error)
-{
- gchar *filename;
- GstGdkAnimation *ani;
- GdkPixbufAnimationIter *iter = NULL;
-
- if (!gst_loader_init (error))
- return NULL;
-
- GST_LOG ("load_animation");
- ani = gst_gdk_animation_new (error);
- if (!ani)
- return NULL;
-
- filename = g_strdup_printf ("/proc/self/fd/%d", fileno (f));
- ani->temp_fd = open (filename, 0);
- if (ani->temp_fd >= 0) {
- iter = gdk_pixbuf_animation_get_iter (GDK_PIXBUF_ANIMATION (ani), NULL);
- } else {
- GST_DEBUG ("open (\"%s\", 0) failed", filename);
- }
- g_free (filename);
- if (iter == NULL) {
- g_set_error (error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
- "could not create an image");
- g_object_unref (ani);
- GST_INFO ("could not create an image");
- return NULL;
- }
- g_object_unref (iter);
- GST_LOG_OBJECT (ani, "load_animation succeeded");
- return GDK_PIXBUF_ANIMATION (ani);
-}
-static GdkPixbuf *
-gst_loader_load (FILE * f, GError ** error)
-{
- GdkPixbufAnimation *ani;
- GdkPixbuf *pixbuf;
-
- ani = gst_loader_load_animation (f, error);
- if (ani == NULL)
- return NULL;
-
- pixbuf = gdk_pixbuf_animation_get_static_image (ani);
- if (!pixbuf) {
- GST_ERROR_OBJECT (ani, "Could not get an image in _pixbuf_load");
- g_object_unref (ani);
- g_set_error (error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
- "Could not get an image from file.");
- return NULL;
- }
-
- g_object_ref (pixbuf);
- g_object_unref (ani);
-
- return pixbuf;
-}
-
-void
-fill_vtable (GdkPixbufModule * module)
-{
- module->load = gst_loader_load;
- module->begin_load = gst_loader_begin_load;
- module->load_increment = gst_loader_load_increment;
- module->stop_load = gst_loader_stop_load;
- module->load_animation = gst_loader_load_animation;
-}
-
-void
-fill_info (GdkPixbufFormat * info)
-{
- static GdkPixbufModulePattern signature[] = {
- /* AVI */
- {"RIFF AVI ", " xxxx ", 100},
- /* MPEG 1 */
- {"xx\001\272", "zz ", 100},
- /* MPEG 2 */
- {"xx\001\263", "zz ", 100},
- /* Quicktime */
- {" wide", "xxxx ", 80},
- {" moov", "xxxx ", 80},
- {" mdat", "xxxx ", 80},
- {" pnot", "xxxx ", 80},
- {" PICT", "xxxx ", 80},
- {" free", "xxxx ", 80},
- /* ASF */
- {"\060\046\262\165\216\146\317\021\246\331 \252 \142\316\154",
- " z z ", 100},
- {NULL, NULL, 0}
- };
-
- static gchar *mime_types[] = {
- "video/avi", "video/x-avi", "video/x-msvideo",
- "video/mpeg",
- "video/quicktime",
- "video/x-ms-asf",
- NULL
- };
-
- static gchar *extensions[] = {
- "avi",
- "mpeg", "mpe", "mpg",
- "mov",
- "asf", "wmv",
- NULL
- };
-
- info->name = "GStreamer";
- info->signature = signature;
- info->description = "GStreamer supported video";
- info->mime_types = mime_types;
- info->extensions = extensions;
- info->flags = 0;
-}
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