1 /* 2 * GStreamer 3 * Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.com> 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public 16 * License along with this library; if not, write to the 17 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21 #ifndef __GST_CCCOMBINER_H__ 22 #define __GST_CCCOMBINER_H__ 23 24 #include <gst/gst.h> 25 #include <gst/base/base.h> 26 #include <gst/video/video.h> 27 28 G_BEGIN_DECLS 29 #define GST_TYPE_CCCOMBINER \ 30 (gst_cc_combiner_get_type()) 31 #define GST_CCCOMBINER(obj) \ 32 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CCCOMBINER,GstCCCombiner)) 33 #define GST_CCCOMBINER_CLASS(klass) \ 34 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CCCOMBINER,GstCCCombinerClass)) 35 #define GST_IS_CCCOMBINER(obj) \ 36 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CCCOMBINER)) 37 #define GST_IS_CCCOMBINER_CLASS(klass) \ 38 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CCCOMBINER)) 39 40 typedef struct _GstCCCombiner GstCCCombiner; 41 typedef struct _GstCCCombinerClass GstCCCombinerClass; 42 43 struct cdp_fps_entry 44 { 45 guint8 fps_idx; 46 guint fps_n, fps_d; 47 guint max_cc_count; 48 guint max_ccp_count; 49 guint max_cea608_count; 50 }; 51 52 struct _GstCCCombiner 53 { 54 GstAggregator parent; 55 56 gint video_fps_n, video_fps_d; 57 gboolean progressive; 58 GstClockTime previous_video_running_time_end; 59 GstClockTime current_video_running_time; 60 GstClockTime current_video_running_time_end; 61 GstBuffer *current_video_buffer; 62 63 GArray *current_frame_captions; 64 GstVideoCaptionType caption_type; 65 66 gboolean prop_schedule; 67 guint prop_max_scheduled; 68 69 gboolean schedule; 70 guint max_scheduled; 71 /* One queue per field */ 72 GstQueueArray *scheduled[2]; 73 guint16 cdp_hdr_sequence_cntr; 74 const struct cdp_fps_entry *cdp_fps_entry; 75 }; 76 77 struct _GstCCCombinerClass 78 { 79 GstAggregatorClass parent_class; 80 }; 81 82 GType gst_cc_combiner_get_type (void); 83 84 GST_ELEMENT_REGISTER_DECLARE (cccombiner); 85 86 G_END_DECLS 87 #endif /* __GST_CCCOMBINER_H__ */ 88