1 /* GStreamer DVB source 2 * Copyright (C) 2006 Zaheer Abbas Merali <zaheerabbas at merali 3 * dot org> 4 * Copyright (C) 2014 Samsung Electronics. All rights reserved. 5 * @Author: Reynaldo H. Verdejo Pinochet <reynaldo@osg.samsung.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_DVBSRC_H__ 24 #define __GST_DVBSRC_H__ 25 26 #include <gst/gst.h> 27 #include <gst/base/gstpushsrc.h> 28 29 G_BEGIN_DECLS 30 31 typedef enum 32 { 33 DVB_POL_H, 34 DVB_POL_V, 35 DVB_POL_ZERO 36 } GstDvbSrcPol; 37 38 39 #define IPACKS 2048 40 #define TS_SIZE 188 41 #define IN_SIZE TS_SIZE*10 42 43 #define MAX_FILTERS 32 44 45 #define GST_TYPE_DVBSRC \ 46 (gst_dvbsrc_get_type()) 47 #define GST_DVBSRC(obj) \ 48 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DVBSRC,GstDvbSrc)) 49 #define GST_DVBSRC_CLASS(klass) \ 50 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DVBSRC,GstDvbSrcClass)) 51 #define GST_IS_DVBSRC(obj) \ 52 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DVBSRC)) 53 #define GST_IS_DVBSRC_CLASS(klass) \ 54 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DVBSRC)) 55 56 typedef struct _GstDvbSrc GstDvbSrc; 57 typedef struct _GstDvbSrcClass GstDvbSrcClass; 58 typedef struct _GstDvbSrcParam GstDvbSrcParam; 59 60 struct _GstDvbSrc 61 { 62 GstPushSrc element; 63 64 GMutex tune_mutex; 65 gboolean need_tune; 66 67 GList * supported_delsys; 68 guchar delsys; 69 70 int adapter_number; 71 int frontend_number; 72 73 int fd_frontend; 74 int fd_dvr; 75 int fd_filters[MAX_FILTERS]; 76 GstPoll *poll; 77 GstPollFD poll_fd_dvr; 78 79 guint16 pids[MAX_FILTERS]; 80 unsigned int freq; 81 unsigned int sym_rate; 82 int tone; 83 int diseqc_src; 84 gboolean send_diseqc; 85 86 guint bandwidth; 87 int code_rate_hp; 88 int code_rate_lp; 89 int modulation; 90 int guard_interval; 91 int transmission_mode; 92 int hierarchy_information; 93 int inversion; 94 int pilot; 95 int rolloff; 96 int stream_id; 97 guint64 timeout; 98 guint64 tuning_timeout; 99 100 GstDvbSrcPol pol; 101 guint stats_interval; 102 guint stats_counter; 103 gboolean need_unlock; 104 105 guint dvb_buffer_size; 106 107 unsigned int isdbt_layer_enabled; 108 int isdbt_partial_reception; 109 int isdbt_sound_broadcasting; 110 int isdbt_sb_subchannel_id; 111 int isdbt_sb_segment_idx; 112 unsigned int isdbt_sb_segment_count; 113 int isdbt_layera_fec; 114 int isdbt_layera_modulation; 115 int isdbt_layera_segment_count; 116 int isdbt_layera_time_interleaving; 117 int isdbt_layerb_fec; 118 int isdbt_layerb_modulation; 119 int isdbt_layerb_segment_count; 120 int isdbt_layerb_time_interleaving; 121 int isdbt_layerc_fec; 122 int isdbt_layerc_modulation; 123 int isdbt_layerc_segment_count; 124 int isdbt_layerc_time_interleaving; 125 126 /* LNB properties */ 127 unsigned int lnb_slof; 128 unsigned int lnb_lof1; 129 unsigned int lnb_lof2; 130 131 /* Only used for DTMB if available */ 132 int interleaving; 133 }; 134 135 struct _GstDvbSrcClass 136 { 137 GstPushSrcClass parent_class; 138 139 void (*adapter_type) (GstElement * element, gint type); 140 void (*signal_quality) (GstElement * element, gint strength, gint snr); 141 142 void (*do_tune) (GstDvbSrc * self); 143 }; 144 145 146 GType gst_dvbsrc_get_type (void); 147 gboolean gst_dvbsrc_plugin_init (GstPlugin * plugin); 148 149 G_END_DECLS 150 #endif /* __GST_DVBSRC_H__ */ 151