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gdkpixbuf: remove old and unused gst_loader source file
Once upon a time used to load GStreamer vids via GdkPixbuf API.
This commit is contained in:
Tim-Philipp Müller
parent
8d864dbbfc
commit
58037b75b2
1 changed files with 0 additions and 280 deletions
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/*
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* Copyright (C) 2003 Benjamin Otte <in7y118@public.uni-hamburg.de>
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*
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* gst_loader.c: Load GStreamer videos as gdkpixbufs
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstgdkanimation.h"
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#include <gst/gstinfo.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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typedef struct
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{
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/* stuff gdk throws at us and we're supposed to keep */
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GdkPixbufModuleSizeFunc size_func;
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GdkPixbufModulePreparedFunc prepared_func;
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GdkPixbufModuleUpdatedFunc updated_func;
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gpointer user_data;
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/* our own stuff - we're much better at keeping fields small :p */
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GstGdkAnimation *ani;
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gboolean initialized;
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}
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GstLoaderContext;
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GST_DEBUG_CATEGORY_STATIC (gst_loader_debug);
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#define GST_CAT_DEFAULT gst_loader_debug
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static gboolean
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gst_loader_init (GError ** error)
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{
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static gboolean inited = FALSE;
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if (inited)
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return TRUE;
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if (!g_thread_supported ()) {
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g_set_error (error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED,
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"The GStreamer loader requires threading support.");
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return FALSE;
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}
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if (!gst_init_check (0, NULL)) {
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g_set_error (error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_FAILED,
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"GStreamer could not be initialized.");
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return FALSE;
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}
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inited = TRUE;
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GST_DEBUG_CATEGORY_INIT (gst_loader_debug, "gstloader", 0,
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"entry point debugging for the GStreamer gdk pixbuf loader");
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return TRUE;
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}
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static gpointer
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gst_loader_begin_load (GdkPixbufModuleSizeFunc size_func,
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GdkPixbufModulePreparedFunc prepared_func,
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GdkPixbufModuleUpdatedFunc updated_func, gpointer user_data,
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GError ** error)
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{
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GstLoaderContext *context;
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if (!gst_loader_init (error))
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return NULL;
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context = g_new (GstLoaderContext, 1);
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context->size_func = size_func;
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context->prepared_func = prepared_func;
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context->updated_func = updated_func;
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context->user_data = user_data;
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context->ani = gst_gdk_animation_new (error);
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context->initialized = FALSE;
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if (!context->ani) {
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GST_WARNING ("creating animation failed");
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g_free (context);
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return NULL;
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}
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context->ani->temp_fd =
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g_file_open_tmp (NULL, &context->ani->temp_location, error);
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if (context->ani->temp_fd == 0) {
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g_object_unref (context->ani);
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g_free (context);
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return NULL;
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}
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GST_LOG_OBJECT (context->ani, "begin loading");
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return context;
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}
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static gboolean
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gst_loader_load_increment (gpointer context_pointer, const guchar * buf,
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guint size, GError ** error)
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{
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GdkPixbufAnimationIter *iter;
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GstLoaderContext *context = (GstLoaderContext *) context_pointer;
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GST_LOG_OBJECT (context->ani, "load increment: %u bytes", size);
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gst_gdk_animation_add_data (context->ani, buf, size);
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if (!context->initialized
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&& (iter =
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gdk_pixbuf_animation_get_iter (GDK_PIXBUF_ANIMATION (context->ani),
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NULL)) != NULL) {
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int width =
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gdk_pixbuf_animation_get_width (GDK_PIXBUF_ANIMATION (context->ani));
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int height =
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gdk_pixbuf_animation_get_height (GDK_PIXBUF_ANIMATION (context->ani));
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GdkPixbuf *pixbuf =
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gdk_pixbuf_animation_get_static_image (GDK_PIXBUF_ANIMATION (context->
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ani));
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g_object_unref (iter);
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GST_LOG_OBJECT (context->ani, "initializing loader");
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if (context->size_func) {
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GST_LOG_OBJECT (context->ani, "calling size_func %p", context->size_func);
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context->size_func (&width, &height, context->user_data);
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}
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if (context->prepared_func) {
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GST_LOG_OBJECT (context->ani, "calling prepared_func %p",
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context->prepared_func);
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context->prepared_func (pixbuf, GDK_PIXBUF_ANIMATION (context->ani),
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context->user_data);
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}
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context->initialized = TRUE;
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}
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return TRUE;
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}
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static gboolean
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gst_loader_stop_load (gpointer context_pointer, GError ** error)
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{
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GstLoaderContext *context = (GstLoaderContext *) context_pointer;
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GST_LOG_OBJECT (context->ani, "stop loading");
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gst_gdk_animation_done_adding (context->ani);
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g_object_unref (context->ani);
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g_free (context);
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return TRUE;
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}
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static GdkPixbufAnimation *
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gst_loader_load_animation (FILE * f, GError ** error)
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{
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gchar *filename;
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GstGdkAnimation *ani;
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GdkPixbufAnimationIter *iter = NULL;
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if (!gst_loader_init (error))
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return NULL;
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GST_LOG ("load_animation");
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ani = gst_gdk_animation_new (error);
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if (!ani)
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return NULL;
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filename = g_strdup_printf ("/proc/self/fd/%d", fileno (f));
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ani->temp_fd = open (filename, 0);
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if (ani->temp_fd >= 0) {
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iter = gdk_pixbuf_animation_get_iter (GDK_PIXBUF_ANIMATION (ani), NULL);
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} else {
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GST_DEBUG ("open (\"%s\", 0) failed", filename);
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}
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g_free (filename);
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if (iter == NULL) {
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g_set_error (error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
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"could not create an image");
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g_object_unref (ani);
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GST_INFO ("could not create an image");
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return NULL;
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}
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g_object_unref (iter);
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GST_LOG_OBJECT (ani, "load_animation succeeded");
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return GDK_PIXBUF_ANIMATION (ani);
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}
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static GdkPixbuf *
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gst_loader_load (FILE * f, GError ** error)
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{
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GdkPixbufAnimation *ani;
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GdkPixbuf *pixbuf;
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ani = gst_loader_load_animation (f, error);
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if (ani == NULL)
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return NULL;
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pixbuf = gdk_pixbuf_animation_get_static_image (ani);
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if (!pixbuf) {
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GST_ERROR_OBJECT (ani, "Could not get an image in _pixbuf_load");
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g_object_unref (ani);
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g_set_error (error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
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"Could not get an image from file.");
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return NULL;
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}
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g_object_ref (pixbuf);
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g_object_unref (ani);
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return pixbuf;
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}
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void
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fill_vtable (GdkPixbufModule * module)
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{
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module->load = gst_loader_load;
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module->begin_load = gst_loader_begin_load;
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module->load_increment = gst_loader_load_increment;
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module->stop_load = gst_loader_stop_load;
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module->load_animation = gst_loader_load_animation;
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}
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void
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fill_info (GdkPixbufFormat * info)
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{
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static GdkPixbufModulePattern signature[] = {
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/* AVI */
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{"RIFF AVI ", " xxxx ", 100},
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/* MPEG 1 */
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{"xx\001\272", "zz ", 100},
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/* MPEG 2 */
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{"xx\001\263", "zz ", 100},
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/* Quicktime */
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{" wide", "xxxx ", 80},
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{" moov", "xxxx ", 80},
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{" mdat", "xxxx ", 80},
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{" pnot", "xxxx ", 80},
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{" PICT", "xxxx ", 80},
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{" free", "xxxx ", 80},
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/* ASF */
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{"\060\046\262\165\216\146\317\021\246\331 \252 \142\316\154",
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" z z ", 100},
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{NULL, NULL, 0}
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};
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static gchar *mime_types[] = {
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"video/avi", "video/x-avi", "video/x-msvideo",
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"video/mpeg",
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"video/quicktime",
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"video/x-ms-asf",
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NULL
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};
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static gchar *extensions[] = {
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"avi",
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"mpeg", "mpe", "mpg",
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"mov",
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"asf", "wmv",
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NULL
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};
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info->name = "GStreamer";
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info->signature = signature;
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info->description = "GStreamer supported video";
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info->mime_types = mime_types;
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info->extensions = extensions;
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info->flags = 0;
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}
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