mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-28 17:25:05 +00:00
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
|
|
@ -1,280 +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;
|
||||
}
|
||||
Loading…
Reference in a new issue