/* 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);