gstreamer/gst/dvbsubenc/gstdvbsubenc.h

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/* GStreamer
* Copyright (C) <2020> Jan Schmidt <jan@centricular.com>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <gst/gst.h>
#include <gst/video/video.h>
#define GST_TYPE_DVB_SUB_ENC (gst_dvb_sub_enc_get_type())
#define GST_DVB_SUB_ENC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DVB_SUB_ENC,GstDvbSubEnc))
#define GST_DVB_SUB_ENC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DVB_SUB_ENC,GstDvbSubEncClass))
#define GST_IS_DVB_SUB_ENC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DVB_SUB_ENC))
#define GST_IS_DVB_SUB_ENC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DVB_SUB_ENC))
GST_DEBUG_CATEGORY_EXTERN (gst_dvb_sub_enc_debug);
#define GST_CAT_DEFAULT (gst_dvb_sub_enc_debug)
typedef struct _GstDvbSubEnc GstDvbSubEnc;
typedef struct _GstDvbSubEncClass GstDvbSubEncClass;
typedef struct SubpictureRect SubpictureRect;
struct SubpictureRect {
/* Paletted 8-bit picture */
GstVideoFrame *frame;
/* Actual number of colours used from the palette */
guint32 nb_colours;
guint x, y;
};
struct _GstDvbSubEnc
{
GstElement element;
GstVideoInfo in_info;
GstPad *sinkpad;
GstPad *srcpad;
int object_version;
int max_colours;
GstClockTimeDiff ts_offset;
GstClockTime current_end_time;
};
struct _GstDvbSubEncClass
{
GstElementClass parent_class;
};
GType gst_dvb_sub_enc_get_type (void);
gboolean gst_dvbsubenc_ayuv_to_ayuv8p (GstVideoFrame * src, GstVideoFrame * dest, int max_colours, guint32 *out_num_colours);
GstBuffer *gst_dvbenc_encode (int object_version, int page_id, SubpictureRect *s, guint num_subpictures);