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gstreamer/ext/sdl/sdlvideosink.c
Iain Holmes 7f6522fa08 SDL Video sink ported to the new plugin code. (Sorry that last commit message sucked BTW) 
Original commit message from CVS:
SDL Video sink ported to the new plugin code.
(Sorry that last commit message sucked BTW)
2003-11-02 01:27:21 +00:00

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/* GStreamer SDL plugin
* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
*
* 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.
*/
/* let's not forget to mention that all this was based on aasink ;-) */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <config.h>
#include <signal.h>
#include <string.h>
#include <sys/time.h>
#include <stdlib.h>
#include <gst/xoverlay/xoverlay.h>
#include "sdlvideosink.h"
/* elementfactory information */
static GstElementDetails gst_sdlvideosink_details = {
"Video sink",
"Sink/Video",
"An SDL-based videosink",
"Ronald Bultje <rbultje@ronald.bitfreak.net>",
};
static void gst_sdlvideosink_base_init (gpointer g_class);
static void gst_sdlvideosink_class_init (GstSDLVideoSinkClass *klass);
static void gst_sdlvideosink_init (GstSDLVideoSink *sdl);
static void gst_sdlvideosink_interface_init (GstInterfaceClass *klass);
static gboolean gst_sdlvideosink_interface_supported (GstInterface *iface,
GType type);
static void gst_sdlvideosink_xoverlay_init (GstXOverlayClass *klass);
static void gst_sdlvideosink_xoverlay_set_xwindow_id
(GstXOverlay *overlay,
XID parent);
static gboolean gst_sdlvideosink_lock (GstSDLVideoSink *sdl);
static void gst_sdlvideosink_unlock (GstSDLVideoSink *sdl);
static gboolean gst_sdlvideosink_initsdl (GstSDLVideoSink *sdl);
static void gst_sdlvideosink_deinitsdl (GstSDLVideoSink *sdl);
static gboolean gst_sdlvideosink_create (GstSDLVideoSink *sdl);
static void gst_sdlvideosink_destroy (GstSDLVideoSink *sdl);
static GstPadLinkReturn
gst_sdlvideosink_sinkconnect (GstPad *pad,
GstCaps *caps);
static void gst_sdlvideosink_chain (GstPad *pad,
GstData *data);
static void gst_sdlvideosink_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void gst_sdlvideosink_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static GstElementStateReturn
gst_sdlvideosink_change_state (GstElement *element);
static GstCaps *capslist = NULL;
static GstPadTemplate *sink_template;
static GstElementClass *parent_class = NULL;
GType
gst_sdlvideosink_get_type (void)
{
static GType sdlvideosink_type = 0;
if (!sdlvideosink_type) {
static const GTypeInfo sdlvideosink_info = {
sizeof (GstSDLVideoSinkClass),
gst_sdlvideosink_base_init,
NULL,
(GClassInitFunc) gst_sdlvideosink_class_init,
NULL,
NULL,
sizeof (GstSDLVideoSink),
0,
(GInstanceInitFunc) gst_sdlvideosink_init,
};
static const GInterfaceInfo iface_info = {
(GInterfaceInitFunc) gst_sdlvideosink_interface_init,
NULL,
NULL,
};
static const GInterfaceInfo xoverlay_info = {
(GInterfaceInitFunc) gst_sdlvideosink_xoverlay_init,
NULL,
NULL,
};
sdlvideosink_type = g_type_register_static(GST_TYPE_VIDEOSINK,
"GstSDLVideoSink",
&sdlvideosink_info, 0);
g_type_add_interface_static(sdlvideosink_type, GST_TYPE_INTERFACE,
&iface_info);
g_type_add_interface_static(sdlvideosink_type, GST_TYPE_X_OVERLAY,
&xoverlay_info);
}
return sdlvideosink_type;
}
static void
gst_sdlvideosink_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
GstCaps *caps;
gint i;
gulong format[6] = { GST_MAKE_FOURCC('I','4','2','0'),
GST_MAKE_FOURCC('Y','V','1','2'),
GST_MAKE_FOURCC('Y','U','Y','2'),
GST_MAKE_FOURCC('Y','V','Y','U'),
GST_MAKE_FOURCC('U','Y','V','Y')
};
/* make a list of all available caps */
for (i = 0; i < 5; i++) {
caps = gst_caps_new ("sdlvideosink_caps",
"video/x-raw-yuv",
gst_props_new (
"format", GST_PROPS_FOURCC(format[i]),
"width", GST_PROPS_INT_RANGE (0, G_MAXINT),
"height", GST_PROPS_INT_RANGE (0, G_MAXINT),
"framerate", GST_PROPS_FLOAT_RANGE (0, G_MAXFLOAT),
NULL )
);
capslist = gst_caps_append(capslist, caps);
}
sink_template = gst_pad_template_new ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
capslist, NULL);
gst_element_class_add_pad_template (element_class, sink_template);
gst_element_class_set_details (element_class, &gst_sdlvideosink_details);
}
static void
gst_sdlvideosink_dispose (GObject *obj)
{
g_mutex_free (GST_SDLVIDEOSINK (obj)->lock);
if (((GObjectClass *) parent_class)->dispose)
((GObjectClass *) parent_class)->dispose (obj);
}
static void
gst_sdlvideosink_class_init (GstSDLVideoSinkClass *klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstVideoSinkClass *gstvs_class;
gobject_class = (GObjectClass*) klass;
gstelement_class = (GstElementClass*) klass;
gstvs_class = (GstVideoSinkClass*) klass;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
gobject_class->set_property = gst_sdlvideosink_set_property;
gobject_class->get_property = gst_sdlvideosink_get_property;
gobject_class->dispose = gst_sdlvideosink_dispose;
gstelement_class->change_state = gst_sdlvideosink_change_state;
/*gstvs_class->set_video_out = gst_sdlvideosink_set_video_out;
gstvs_class->push_ui_event = gst_sdlvideosink_push_ui_event;
gstvs_class->set_geometry = gst_sdlvideosink_set_geometry;*/
}
static GstBuffer *
gst_sdlvideosink_buffer_new (GstBufferPool *pool,
gint64 location,
guint size,
gpointer user_data)
{
GstSDLVideoSink *sdlvideosink = GST_SDLVIDEOSINK (user_data);
GstBuffer *buffer;
if (!sdlvideosink->overlay)
return NULL;
if (!gst_sdlvideosink_lock(sdlvideosink)) {
return NULL;
}
/* this protects the buffer from being written over multiple times */
g_mutex_lock (sdlvideosink->lock);
buffer = gst_buffer_new ();
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_DONTFREE);
GST_BUFFER_DATA (buffer) = sdlvideosink->overlay->pixels[0];
if (sdlvideosink->format == SDL_YV12_OVERLAY ||
sdlvideosink->format == SDL_IYUV_OVERLAY) {
GST_BUFFER_SIZE (buffer) =
sdlvideosink->width * sdlvideosink->height * 3/2;
} else {
GST_BUFFER_SIZE (buffer) =
sdlvideosink->width * sdlvideosink->height * 2;
}
GST_BUFFER_MAXSIZE (buffer) = GST_BUFFER_SIZE (buffer);
return buffer;
}
static void
gst_sdlvideosink_buffer_free (GstBufferPool *pool,
GstBuffer *buffer,
gpointer user_data)
{
GstSDLVideoSink *sdlvideosink = GST_SDLVIDEOSINK (user_data);
g_mutex_unlock (sdlvideosink->lock);
gst_sdlvideosink_unlock(sdlvideosink);
gst_buffer_default_free (buffer);
}
static GstBufferPool *
gst_sdlvideosink_get_bufferpool (GstPad *pad)
{
GstSDLVideoSink *sdlvideosink = GST_SDLVIDEOSINK (gst_pad_get_parent (pad));
if (sdlvideosink->overlay)
return sdlvideosink->bufferpool;
return NULL;
}
static void
gst_sdlvideosink_init (GstSDLVideoSink *sdlvideosink)
{
GST_VIDEOSINK_PAD (sdlvideosink) = gst_pad_new_from_template (sink_template,
"sink");
gst_pad_set_bufferpool_function (GST_VIDEOSINK_PAD (sdlvideosink),
gst_sdlvideosink_get_bufferpool);
gst_element_add_pad (GST_ELEMENT (sdlvideosink),
GST_VIDEOSINK_PAD (sdlvideosink));
gst_pad_set_chain_function (GST_VIDEOSINK_PAD (sdlvideosink),
gst_sdlvideosink_chain);
gst_pad_set_link_function (GST_VIDEOSINK_PAD (sdlvideosink),
gst_sdlvideosink_sinkconnect);
sdlvideosink->width = -1;
sdlvideosink->height = -1;
sdlvideosink->overlay = NULL;
sdlvideosink->screen = NULL;
sdlvideosink->xwindow_id = 0;
sdlvideosink->capslist = capslist;
sdlvideosink->init = FALSE;
sdlvideosink->lock = g_mutex_new ();
sdlvideosink->bufferpool = gst_buffer_pool_new (
NULL, /* free */
NULL, /* copy */
(GstBufferPoolBufferNewFunction) gst_sdlvideosink_buffer_new,
NULL, /* buffer copy, the default is fine */
(GstBufferPoolBufferFreeFunction) gst_sdlvideosink_buffer_free,
sdlvideosink);
GST_FLAG_SET(sdlvideosink, GST_ELEMENT_THREAD_SUGGESTED);
GST_FLAG_SET(sdlvideosink, GST_ELEMENT_EVENT_AWARE);
}
static void
gst_sdlvideosink_interface_init (GstInterfaceClass *klass)
{
klass->supported = gst_sdlvideosink_interface_supported;
}
static gboolean
gst_sdlvideosink_interface_supported (GstInterface *interface,
GType iface_type)
{
g_assert (iface_type == GST_TYPE_X_OVERLAY);
/* FIXME: check SDL for whether it was compiled against X, FB, etc. */
return (GST_STATE (interface) != GST_STATE_NULL);
}
static void
gst_sdlvideosink_xoverlay_init (GstXOverlayClass *klass)
{
klass->set_xwindow_id = gst_sdlvideosink_xoverlay_set_xwindow_id;
}
static void
gst_sdlvideosink_xoverlay_set_xwindow_id (GstXOverlay *overlay, XID parent)
{
GstSDLVideoSink *sdlvideosink = GST_SDLVIDEOSINK (overlay);
sdlvideosink->xwindow_id = parent;
/* are we running yet? */
if (sdlvideosink->init) {
gboolean negotiated = (sdlvideosink->overlay != NULL);
if (negotiated)
gst_sdlvideosink_destroy (sdlvideosink);
gst_sdlvideosink_initsdl (sdlvideosink);
if (negotiated)
gst_sdlvideosink_create (sdlvideosink);
}
}
static guint32
gst_sdlvideosink_get_sdl_from_fourcc (GstSDLVideoSink *sdlvideosink,
guint32 code)
{
switch (code)
{
case GST_MAKE_FOURCC('I','4','2','0'):
return SDL_IYUV_OVERLAY;
case GST_MAKE_FOURCC('Y','V','1','2'):
return SDL_YV12_OVERLAY;
case GST_MAKE_FOURCC('Y','U','Y','2'):
return SDL_YUY2_OVERLAY;
case GST_MAKE_FOURCC('U','Y','V','Y'):
return SDL_UYVY_OVERLAY;
case GST_MAKE_FOURCC('Y','V','Y','U'):
return SDL_YVYU_OVERLAY;
default:
return 0;
}
}
static gboolean
gst_sdlvideosink_lock (GstSDLVideoSink *sdlvideosink)
{
/* assure that we've got a screen */
if (!sdlvideosink->screen || !sdlvideosink->overlay) {
gst_element_error (GST_ELEMENT (sdlvideosink),
"Tried to lock screen without being set-up");
return FALSE;
}
/* Lock SDL/yuv-overlay */
if (SDL_MUSTLOCK(sdlvideosink->screen))
{
if (SDL_LockSurface(sdlvideosink->screen) < 0)
{
gst_element_error(GST_ELEMENT(sdlvideosink),
"SDL: couldn\'t lock the SDL video window: %s", SDL_GetError());
return FALSE;
}
}
if (SDL_LockYUVOverlay(sdlvideosink->overlay) < 0)
{
gst_element_error(GST_ELEMENT(sdlvideosink),
"SDL: couldn\'t lock the SDL YUV overlay: %s", SDL_GetError());
return FALSE;
}
sdlvideosink->init = TRUE;
return TRUE;
}
static void
gst_sdlvideosink_unlock (GstSDLVideoSink *sdlvideosink)
{
/* Unlock SDL_overlay */
SDL_UnlockYUVOverlay(sdlvideosink->overlay);
if (SDL_MUSTLOCK(sdlvideosink->screen))
SDL_UnlockSurface(sdlvideosink->screen);
}
static void
gst_sdlvideosink_deinitsdl (GstSDLVideoSink *sdlvideosink)
{
if (sdlvideosink->init) {
SDL_Quit ();
sdlvideosink->init = FALSE;
}
}
static gboolean
gst_sdlvideosink_initsdl (GstSDLVideoSink *sdlvideosink)
{
gst_sdlvideosink_deinitsdl (sdlvideosink);
if (!sdlvideosink->xwindow_id) {
unsetenv("SDL_WINDOWID");
} else {
char SDL_hack[32];
sprintf(SDL_hack, "%lu", sdlvideosink->xwindow_id);
setenv("SDL_WINDOWID", SDL_hack, 1);
}
/* Initialize the SDL library */
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) < 0 ) {
gst_element_error(GST_ELEMENT (sdlvideosink),
"Couldn't initialize SDL: %s",
SDL_GetError());
return FALSE;
}
return TRUE;
}
static void
gst_sdlvideosink_destroy (GstSDLVideoSink *sdlvideosink)
{
if (sdlvideosink->overlay) {
SDL_FreeYUVOverlay(sdlvideosink->overlay);
sdlvideosink->overlay = NULL;
}
if (sdlvideosink->screen) {
SDL_FreeSurface (sdlvideosink->screen);
sdlvideosink->screen = NULL;
}
}
static gboolean
gst_sdlvideosink_create (GstSDLVideoSink *sdlvideosink)
{
if (GST_VIDEOSINK_HEIGHT (sdlvideosink) <= 0)
GST_VIDEOSINK_HEIGHT (sdlvideosink) = sdlvideosink->height;
if (GST_VIDEOSINK_WIDTH (sdlvideosink) <= 0)
GST_VIDEOSINK_WIDTH (sdlvideosink) = sdlvideosink->width;
gst_sdlvideosink_destroy (sdlvideosink);
/* create a SDL window of the size requested by the user */
sdlvideosink->screen = SDL_SetVideoMode(GST_VIDEOSINK_WIDTH (sdlvideosink),
GST_VIDEOSINK_HEIGHT (sdlvideosink), 0, SDL_HWSURFACE | SDL_RESIZABLE);
if (sdlvideosink->screen == NULL)
{
gst_element_error(GST_ELEMENT(sdlvideosink),
"SDL: Couldn't set %dx%d: %s", GST_VIDEOSINK_WIDTH (sdlvideosink),
GST_VIDEOSINK_HEIGHT (sdlvideosink), SDL_GetError());
return FALSE;
}
/* create a new YUV overlay */
sdlvideosink->overlay = SDL_CreateYUVOverlay(sdlvideosink->width,
sdlvideosink->height, sdlvideosink->format, sdlvideosink->screen);
if ( sdlvideosink->overlay == NULL )
{
gst_element_error(GST_ELEMENT(sdlvideosink),
"SDL: Couldn't create SDL YUV overlay (%dx%d \'" GST_FOURCC_FORMAT "\'): %s",
sdlvideosink->width, sdlvideosink->height,
GST_FOURCC_ARGS(sdlvideosink->format), SDL_GetError());
return FALSE;
}
else
{
GST_DEBUG("Using a %dx%d %dbpp SDL screen with a %dx%d \'" GST_FOURCC_FORMAT "\' YUV overlay",
GST_VIDEOSINK_WIDTH (sdlvideosink), GST_VIDEOSINK_HEIGHT (sdlvideosink),
sdlvideosink->screen->format->BitsPerPixel,
sdlvideosink->width, sdlvideosink->height,
GST_FOURCC_ARGS(sdlvideosink->format));
}
sdlvideosink->rect.x = 0;
sdlvideosink->rect.y = 0;
sdlvideosink->rect.w = GST_VIDEOSINK_WIDTH (sdlvideosink);
sdlvideosink->rect.h = GST_VIDEOSINK_HEIGHT (sdlvideosink);
SDL_DisplayYUVOverlay(sdlvideosink->overlay, &(sdlvideosink->rect));
GST_DEBUG ("sdlvideosink: setting %08x (" GST_FOURCC_FORMAT ")",
sdlvideosink->format, GST_FOURCC_ARGS(sdlvideosink->format));
gst_video_sink_got_video_size (GST_VIDEOSINK (sdlvideosink),
GST_VIDEOSINK_WIDTH (sdlvideosink),
GST_VIDEOSINK_HEIGHT (sdlvideosink));
return TRUE;
}
static GstPadLinkReturn
gst_sdlvideosink_sinkconnect (GstPad *pad,
GstCaps *vscapslist)
{
GstSDLVideoSink *sdlvideosink;
GstCaps *caps;
sdlvideosink = GST_SDLVIDEOSINK (gst_pad_get_parent (pad));
/* we are not going to act on variable caps */
if (!GST_CAPS_IS_FIXED (vscapslist))
return GST_PAD_LINK_DELAYED;
for (caps = vscapslist; caps != NULL; caps = vscapslist = vscapslist->next)
{
guint32 format;
gst_caps_get_fourcc_int(caps, "format", &format);
sdlvideosink->format =
gst_sdlvideosink_get_sdl_from_fourcc (sdlvideosink, format);
gst_caps_get_int(caps, "width", &sdlvideosink->width);
gst_caps_get_int(caps, "height", &sdlvideosink->height);
/* try it out */
if (!sdlvideosink->format ||
!gst_sdlvideosink_create(sdlvideosink))
continue;
return GST_PAD_LINK_OK;
}
/* if we got here - it's not good */
return GST_PAD_LINK_REFUSED;
}
static void
gst_sdlvideosink_chain (GstPad *pad, GstData *_data)
{
GstBuffer *buf = GST_BUFFER (_data);
GstSDLVideoSink *sdlvideosink;
SDL_Event sdl_event;
g_return_if_fail (pad != NULL);
g_return_if_fail (GST_IS_PAD (pad));
g_return_if_fail (buf != NULL);
sdlvideosink = GST_SDLVIDEOSINK (gst_pad_get_parent (pad));
if (GST_IS_EVENT (buf)) {
GstEvent *event = GST_EVENT (buf);
gint64 offset;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_DISCONTINUOUS:
offset = GST_EVENT_DISCONT_OFFSET (event, 0).value;
/*gst_clock_handle_discont (sdlvideosink->clock,
(guint64) GST_EVENT_DISCONT_OFFSET (event, 0).value);*/
break;
default:
gst_pad_event_default (pad, event);
return;
}
gst_event_unref (event);
return;
}
if (GST_VIDEOSINK_CLOCK (sdlvideosink)) {
GstClockID id = gst_clock_new_single_shot_id (
GST_VIDEOSINK_CLOCK (sdlvideosink),
GST_BUFFER_TIMESTAMP (buf));
gst_element_clock_wait (GST_ELEMENT (sdlvideosink), id, NULL);
gst_clock_id_free (id);
}
if (GST_BUFFER_DATA (buf) != sdlvideosink->overlay->pixels[0]) {
if (!gst_sdlvideosink_lock(sdlvideosink)) {
return;
}
/* buf->yuv - FIXME: bufferpool! */
if (sdlvideosink->format == SDL_IYUV_OVERLAY ||
sdlvideosink->format == SDL_YV12_OVERLAY)
{
memcpy (sdlvideosink->overlay->pixels[0], GST_BUFFER_DATA (buf),
sdlvideosink->width * sdlvideosink->height);
memcpy (sdlvideosink->overlay->pixels[1],
GST_BUFFER_DATA (buf) + sdlvideosink->width*sdlvideosink->height,
sdlvideosink->width * sdlvideosink->height / 4);
memcpy (sdlvideosink->overlay->pixels[2],
GST_BUFFER_DATA (buf) + sdlvideosink->width*sdlvideosink->height*5/4,
sdlvideosink->width * sdlvideosink->height / 4);
} else {
memcpy (sdlvideosink->overlay->pixels[0], GST_BUFFER_DATA (buf),
sdlvideosink->width * sdlvideosink->height * 2);
}
gst_sdlvideosink_unlock(sdlvideosink);
}
gst_buffer_unref(buf);
/* Show, baby, show! */
SDL_DisplayYUVOverlay(sdlvideosink->overlay, &(sdlvideosink->rect));
gst_video_sink_frame_displayed (GST_VIDEOSINK (sdlvideosink));
while (SDL_PollEvent(&sdl_event))
{
switch(sdl_event.type)
{
case SDL_VIDEORESIZE:
/* create a SDL window of the size requested by the user */
GST_VIDEOSINK_WIDTH (sdlvideosink) = sdl_event.resize.w;
GST_VIDEOSINK_HEIGHT (sdlvideosink) = sdl_event.resize.h;
gst_sdlvideosink_create(sdlvideosink);
break;
}
}
}
static void
gst_sdlvideosink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
GstSDLVideoSink *sdlvideosink;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_SDLVIDEOSINK (object));
sdlvideosink = GST_SDLVIDEOSINK(object);
switch (prop_id)
{
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_sdlvideosink_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
GstSDLVideoSink *sdlvideosink;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_SDLVIDEOSINK (object));
sdlvideosink = GST_SDLVIDEOSINK(object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstElementStateReturn
gst_sdlvideosink_change_state (GstElement *element)
{
GstSDLVideoSink *sdlvideosink;
g_return_val_if_fail (GST_IS_SDLVIDEOSINK (element), GST_STATE_FAILURE);
sdlvideosink = GST_SDLVIDEOSINK(element);
switch (GST_STATE_TRANSITION (element))
{
case GST_STATE_NULL_TO_READY:
if (!gst_sdlvideosink_initsdl (sdlvideosink))
return GST_STATE_FAILURE;
GST_FLAG_SET (sdlvideosink, GST_SDLVIDEOSINK_OPEN);
break;
case GST_STATE_PAUSED_TO_READY:
gst_sdlvideosink_destroy (sdlvideosink);
break;
case GST_STATE_READY_TO_NULL:
gst_sdlvideosink_deinitsdl (sdlvideosink);
GST_FLAG_UNSET (sdlvideosink, GST_SDLVIDEOSINK_OPEN);
break;
default: /* do nothing */
break;
}
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
return GST_STATE_SUCCESS;
}
static gboolean
plugin_init (GstPlugin *plugin)
{
/* Loading the library containing GstVideoSink, our parent object */
if (!gst_library_load ("gstvideo"))
return FALSE;
if (!gst_element_register (plugin, "sdlvideosink", GST_RANK_NONE, GST_TYPE_SDLVIDEOSINK))
return FALSE;
return TRUE;
}
GST_PLUGIN_DEFINE (
GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"sdlvideosink",
"SDL Video Sink",
plugin_init,
VERSION,
"LGPL",
GST_COPYRIGHT,
GST_PACKAGE,
GST_ORIGIN)
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