1 /* GStreamer 2 * 3 * Copyright (C) 2011 David Schleef <ds@schleef.org> 4 * Copyright (C) 2014 Sebastian Dröge <sebastian@centricular.com> 5 * Copyright (C) 2015 Florian Langlois <florian.langlois@fr.thalesgroup.com> 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public 18 * License along with this library; if not, write to the 19 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 */ 22 23 #ifndef __GST_DECKLINK_VIDEO_SRC_H__ 24 #define __GST_DECKLINK_VIDEO_SRC_H__ 25 26 #include <gst/gst.h> 27 #include <gst/base/base.h> 28 #include <gst/video/video.h> 29 #include "gstdecklink.h" 30 31 G_BEGIN_DECLS 32 33 #define GST_TYPE_DECKLINK_VIDEO_SRC \ 34 (gst_decklink_video_src_get_type()) 35 #define GST_DECKLINK_VIDEO_SRC(obj) \ 36 (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_DECKLINK_VIDEO_SRC, GstDecklinkVideoSrc)) 37 #define GST_DECKLINK_VIDEO_SRC_CAST(obj) \ 38 ((GstDecklinkVideoSrc*)obj) 39 #define GST_DECKLINK_VIDEO_SRC_CLASS(klass) \ 40 (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_DECKLINK_VIDEO_SRC, GstDecklinkVideoSrcClass)) 41 #define GST_IS_DECKLINK_VIDEO_SRC(obj) \ 42 (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_DECKLINK_VIDEO_SRC)) 43 #define GST_IS_DECKLINK_VIDEO_SRC_CLASS(klass) \ 44 (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_DECKLINK_VIDEO_SRC)) 45 46 typedef struct _GstDecklinkVideoSrc GstDecklinkVideoSrc; 47 typedef struct _GstDecklinkVideoSrcClass GstDecklinkVideoSrcClass; 48 49 struct _GstDecklinkVideoSrc 50 { 51 GstPushSrc parent; 52 53 GstDecklinkModeEnum mode; 54 GstDecklinkModeEnum caps_mode; 55 BMDPixelFormat caps_format; 56 GstDecklinkConnectionEnum connection; 57 gint device_number; 58 gboolean output_stream_time; 59 GstClockTime skip_first_time; 60 gboolean drop_no_signal_frames; 61 GstClockTime expected_stream_time; 62 guint64 processed; 63 guint64 dropped; 64 guint64 first_stream_time; 65 66 GstVideoInfo info; 67 GstDecklinkVideoFormat video_format; 68 BMDDuplexMode duplex_mode; 69 BMDTimecodeFormat timecode_format; 70 71 GstDecklinkInput *input; 72 73 GCond cond; 74 GMutex lock; 75 gboolean flushing; 76 GstQueueArray *current_frames; 77 gboolean no_signal; 78 79 guint buffer_size; 80 81 /* Protected by lock */ 82 GstClockTime first_time; 83 84 GstClockTime *times; 85 GstClockTime *times_temp; 86 guint window_size, window_fill; 87 gboolean window_filled; 88 guint window_skip, window_skip_count; 89 struct { 90 GstClockTime xbase, b; 91 GstClockTime num, den; 92 } current_time_mapping; 93 struct { 94 GstClockTime xbase, b; 95 GstClockTime num, den; 96 } next_time_mapping; 97 gboolean next_time_mapping_pending; 98 99 GstVideoVBIParser *vbiparser; 100 GstVideoFormat anc_vformat; 101 gint anc_width; 102 gboolean output_cc; 103 guint last_cc_vbi_line; 104 }; 105 106 struct _GstDecklinkVideoSrcClass 107 { 108 GstPushSrcClass parent_class; 109 }; 110 111 GType gst_decklink_video_src_get_type (void); 112 113 G_END_DECLS 114 115 #endif /* __GST_DECKLINK_VIDEO_SRC_H__ */ 116