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dvbsuboverlay: clean-up: dvb sub parser helper doesn't need to be a GObject

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This commit is contained in:
Tim-Philipp Müller 2010-12-24 14:24:12 +00:00
parent 2a2c76cdbd
commit f8dc80a8b7
3 changed files with 54 additions and 99 deletions
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105
gst/dvbsuboverlay/dvb-sub.c
View file

@ -30,20 +30,17 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "dvb-sub.h"
#include <string.h> /* memset */
#include <gst/gstutils.h> /* GST_READ_UINT16_BE */
#include <gst/base/gstbitreader.h> /* GstBitReader */
#include "ffmpeg-colorspace.h" /* YUV_TO_RGB1_CCIR */ /* FIXME: Just give YUV data to gstreamer then? */
#include "dvb-sub.h"
GST_DEBUG_CATEGORY_STATIC (dvbsub_debug);
#define GST_CAT_DEFAULT dvbsub_debug
void
dvb_sub_init_debug (void)
{
GST_DEBUG_CATEGORY_INIT (dvbsub_debug, "dvbsub", 0, "dvbsuboverlay parser");
}
static void dvb_sub_init (void);
/* FIXME: Are we waiting for an acquisition point before trying to do things? */
/* FIXME: In the end convert some of the guint8/16 (especially stack variables) back to gint for access efficiency */
@ -154,10 +151,12 @@ struct _DvbSubPrivate
GString *pes_buffer;
DVBSubtitleWindow display_def;
};
struct _DvbSub
{
DvbSubPrivate priv; // FIXME (tpm)
#define DVB_SUB_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), DVB_TYPE_SUB, DvbSubPrivate))
G_DEFINE_TYPE (DvbSub, dvb_sub, G_TYPE_OBJECT);
DvbSubPrivate *private_data;
};
typedef enum
{
@ -280,40 +279,6 @@ delete_state (DvbSub * dvb_sub)
g_warning ("Memory deallocation error!");
}
static void
dvb_sub_init (DvbSub * self)
{
DvbSubPrivate *priv;
self->private_data = priv = DVB_SUB_GET_PRIVATE (self);
/* TODO: Add initialization code here */
/* FIXME: Do we have a reason to initiate the members to zero, or are we guaranteed that anyway? */
priv->region_list = NULL;
priv->object_list = NULL;
priv->page_time_out = 0; /* FIXME: Maybe 255 instead? */
priv->pes_buffer = g_string_new (NULL);
/* display/window information */
priv->display_def.version = -1;
priv->display_def.window_flag = 0;
priv->display_def.display_width = 720;
priv->display_def.display_height = 576;
}
static void
dvb_sub_finalize (GObject * object)
{
DvbSub *self = DVB_SUB (object);
DvbSubPrivate *priv = (DvbSubPrivate *) self->private_data;
/* TODO: Add deinitalization code here */
/* FIXME: Clear up region_list contents */
delete_state (self); /* close_pid should have called this, but lets be sure */
g_string_free (priv->pes_buffer, TRUE);
G_OBJECT_CLASS (dvb_sub_parent_class)->finalize (object);
}
/* init static data necessary for ffmpeg-colorspace conversion */
static void
dsputil_static_init (void)
@ -329,14 +294,11 @@ dsputil_static_init (void)
}
static void
dvb_sub_class_init (DvbSubClass * klass)
dvb_sub_init (void)
{
int i, r, g, b, a = 0;
GObjectClass *object_class = (GObjectClass *) klass;
object_class->finalize = dvb_sub_finalize;
g_type_class_add_private (klass, sizeof (DvbSubPrivate));
GST_DEBUG_CATEGORY_INIT (dvbsub_debug, "dvbsub", 0, "dvbsuboverlay parser");
dsputil_static_init (); /* Initializes ff_cropTbl table, used in YUV_TO_RGB conversion */
@ -1377,19 +1339,47 @@ dvb_subtitles_free (DVBSubtitles * sub)
g_slice_free (DVBSubtitles, sub);
}
/**
* dvb_sub_new:
*
* Creates a new #DvbSub.
*
* Return value: a newly created #DvbSub
*/
DvbSub *
dvb_sub_new (void)
{
DvbSub *dvbsub = g_object_new (DVB_TYPE_SUB, NULL);
static gsize inited = 0;
DvbSubPrivate *sub;
DvbSub *dvb_sub;
return dvbsub;
if (g_once_init_enter (&inited)) {
dvb_sub_init ();
g_once_init_leave (&inited, TRUE);
}
dvb_sub = g_slice_new0 (DvbSub);
dvb_sub->private_data = &dvb_sub->priv;
sub = dvb_sub->private_data;
/* TODO: Add initialization code here */
/* FIXME: Do we have a reason to initiate the members to zero, or are we guaranteed that anyway? */
sub->region_list = NULL;
sub->object_list = NULL;
sub->page_time_out = 0; /* FIXME: Maybe 255 instead? */
sub->pes_buffer = g_string_new (NULL);
/* display/window information */
sub->display_def.version = -1;
sub->display_def.window_flag = 0;
sub->display_def.display_width = 720;
sub->display_def.display_height = 576;
return dvb_sub;
}
void
dvb_sub_free (DvbSub * sub)
{
/* TODO: Add deinitalization code here */
/* FIXME: Clear up region_list contents */
delete_state (sub);
g_string_free (sub->private_data->pes_buffer, TRUE);
g_slice_free (DvbSub, sub);
}
#define DVB_SUB_SEGMENT_PAGE_COMPOSITION 0x10
@ -1528,7 +1518,6 @@ dvb_sub_set_callbacks (DvbSub * dvb_sub, DvbSubCallbacks * callbacks,
DvbSubPrivate *priv;
g_return_if_fail (dvb_sub != NULL);
g_return_if_fail (DVB_IS_SUB (dvb_sub));
g_return_if_fail (callbacks != NULL);
priv = (DvbSubPrivate *) dvb_sub->private_data;

34
gst/dvbsuboverlay/dvb-sub.h
View file

@ -21,39 +21,12 @@
#ifndef _DVB_SUB_H_
#define _DVB_SUB_H_
#include <glib-object.h>
#include <glib.h>
G_BEGIN_DECLS
#define DVB_TYPE_SUB (dvb_sub_get_type ())
#define DVB_SUB(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), DVB_TYPE_SUB, DvbSub))
#define DVB_SUB_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), DVB_TYPE_SUB, DvbSubClass))
#define DVB_IS_SUB(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), DVB_TYPE_SUB))
#define DVB_IS_SUB_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), DVB_TYPE_SUB))
#define DVB_SUB_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), DVB_TYPE_SUB, DvbSubClass))
typedef struct _DvbSubClass DvbSubClass;
typedef struct _DvbSub DvbSub;
struct _DvbSubClass
{
GObjectClass parent_class;
};
/**
* DvbSub:
*
* The #DvbSub struct contains only private fields and should not be
* directly accessed.
*/
struct _DvbSub
{
GObject parent_instance;
/*< private >*/
gpointer private_data;
};
/**
* DVBSubtitlePicture:
* @data: the data in the form of palette indices, each byte represents one pixel
@ -153,10 +126,9 @@ typedef struct {
gpointer _dvb_sub_reserved[3];
} DvbSubCallbacks;
void dvb_sub_init_debug (void);
GType dvb_sub_get_type (void) G_GNUC_CONST;
DvbSub *dvb_sub_new (void);
void dvb_sub_free (DvbSub * sub);
gint dvb_sub_feed_with_pts (DvbSub *dvb_sub, guint64 pts, guint8 *data, gint len);
void dvb_sub_set_callbacks (DvbSub *dvb_sub, DvbSubCallbacks *callbacks, gpointer user_data);
void dvb_subtitles_free (DVBSubtitles *sub);

14
gst/dvbsuboverlay/gstdvbsuboverlay.c
View file

@ -168,12 +168,9 @@ gst_dvbsub_overlay_flush_subtitles (GstDVBSubOverlay * render)
}
if (render->dvb_sub)
g_object_unref (render->dvb_sub);
dvb_sub_free (render->dvb_sub);
render->dvb_sub = dvb_sub_new ();
if (!render->dvb_sub) {
GST_WARNING_OBJECT (render, "cannot create dvbsub instance");
g_assert_not_reached ();
}
{
DvbSubCallbacks dvbsub_callbacks = { &new_dvb_subtitles_cb, };
@ -254,9 +251,8 @@ gst_dvbsub_overlay_finalize (GObject * object)
}
g_queue_free (overlay->pending_subtitles);
if (overlay->dvb_sub) {
g_object_unref (overlay->dvb_sub);
}
if (overlay->dvb_sub)
dvb_sub_free (overlay->dvb_sub);
if (overlay->dvbsub_mutex)
g_mutex_free (overlay->dvbsub_mutex);
@ -1157,8 +1153,6 @@ plugin_init (GstPlugin * plugin)
GST_DEBUG_CATEGORY_INIT (gst_dvbsub_overlay_debug, "dvbsuboverlay",
0, "DVB subtitle overlay");
dvb_sub_init_debug ();
return gst_element_register (plugin, "dvbsuboverlay",
GST_RANK_PRIMARY, GST_TYPE_DVBSUB_OVERLAY);
}