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