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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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1269 lines
37 KiB
C
1269 lines
37 KiB
C
/*
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* dvbbasebin.c -
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* Copyright (C) 2007 Alessandro Decina
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* Copyright (C) 2014 Samsung Electronics. All rights reserved.
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*
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* Authors:
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* Alessandro Decina <alessandro@nnva.org>
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* Reynaldo H. Verdejo Pinochet <r.verdejo@sisa.samsung.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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdlib.h>
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#include <string.h>
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#include <gst/mpegts/mpegts.h>
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#include "dvbbasebin.h"
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#include "parsechannels.h"
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GST_DEBUG_CATEGORY (dvb_base_bin_debug);
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#define GST_CAT_DEFAULT dvb_base_bin_debug
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static GstStaticPadTemplate src_template =
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GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/mpegts, " "systemstream = (boolean) true ")
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);
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static GstStaticPadTemplate program_template =
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GST_STATIC_PAD_TEMPLATE ("program_%u", GST_PAD_SRC,
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GST_PAD_REQUEST,
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GST_STATIC_CAPS ("video/mpegts, " "systemstream = (boolean) true ")
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);
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enum
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{
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/* FILL ME */
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SIGNAL_TUNING_START,
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SIGNAL_TUNING_DONE,
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SIGNAL_TUNING_FAIL,
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SIGNAL_TUNE,
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LAST_SIGNAL
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};
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enum
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{
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ARG_0,
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PROP_ADAPTER,
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PROP_FRONTEND,
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PROP_DISEQC_SRC,
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PROP_FREQUENCY,
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PROP_POLARITY,
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PROP_SYMBOL_RATE,
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PROP_BANDWIDTH,
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PROP_CODE_RATE_HP,
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PROP_CODE_RATE_LP,
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PROP_GUARD,
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PROP_MODULATION,
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PROP_TRANS_MODE,
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PROP_HIERARCHY,
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PROP_INVERSION,
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PROP_PROGRAM_NUMBERS,
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PROP_STATS_REPORTING_INTERVAL,
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PROP_TUNING_TIMEOUT,
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PROP_DELSYS,
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PROP_PILOT,
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PROP_ROLLOFF,
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PROP_STREAM_ID,
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PROP_BANDWIDTH_HZ,
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PROP_ISDBT_LAYER_ENABLED,
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PROP_ISDBT_PARTIAL_RECEPTION,
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PROP_ISDBT_SOUND_BROADCASTING,
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PROP_ISDBT_SB_SUBCHANNEL_ID,
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PROP_ISDBT_SB_SEGMENT_IDX,
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PROP_ISDBT_SB_SEGMENT_COUNT,
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PROP_ISDBT_LAYERA_FEC,
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PROP_ISDBT_LAYERA_MODULATION,
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PROP_ISDBT_LAYERA_SEGMENT_COUNT,
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PROP_ISDBT_LAYERA_TIME_INTERLEAVING,
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PROP_ISDBT_LAYERB_FEC,
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PROP_ISDBT_LAYERB_MODULATION,
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PROP_ISDBT_LAYERB_SEGMENT_COUNT,
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PROP_ISDBT_LAYERB_TIME_INTERLEAVING,
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PROP_ISDBT_LAYERC_FEC,
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PROP_ISDBT_LAYERC_MODULATION,
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PROP_ISDBT_LAYERC_SEGMENT_COUNT,
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PROP_ISDBT_LAYERC_TIME_INTERLEAVING,
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PROP_LNB_SLOF,
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PROP_LNB_LOF1,
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PROP_LNB_LOF2,
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PROP_INTERLEAVING
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};
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typedef struct
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{
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guint16 pid;
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guint usecount;
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} DvbBaseBinStream;
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typedef struct
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{
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gint program_number;
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guint16 pmt_pid;
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guint16 pcr_pid;
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GstMpegtsSection *section;
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GstMpegtsSection *old_section;
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const GstMpegtsPMT *pmt;
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const GstMpegtsPMT *old_pmt;
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gboolean selected;
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gboolean pmt_active;
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gboolean active;
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GstPad *ghost;
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} DvbBaseBinProgram;
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static void dvb_base_bin_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void dvb_base_bin_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static void dvb_base_bin_dispose (GObject * object);
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static void dvb_base_bin_finalize (GObject * object);
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static void dvb_base_bin_task (DvbBaseBin * basebin);
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static GstStateChangeReturn dvb_base_bin_change_state (GstElement * element,
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GstStateChange transition);
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static void dvb_base_bin_handle_message (GstBin * bin, GstMessage * message);
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static void dvb_base_bin_pat_info_cb (DvbBaseBin * dvbbasebin,
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GstMpegtsSection * pat);
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static void dvb_base_bin_pmt_info_cb (DvbBaseBin * dvbbasebin,
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GstMpegtsSection * pmt);
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static GstPad *dvb_base_bin_request_new_pad (GstElement * element,
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GstPadTemplate * templ, const gchar * name, const GstCaps * caps);
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static void dvb_base_bin_release_pad (GstElement * element, GstPad * pad);
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static void dvb_base_bin_rebuild_filter (DvbBaseBin * dvbbasebin);
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static void
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dvb_base_bin_deactivate_program (DvbBaseBin * dvbbasebin,
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DvbBaseBinProgram * program);
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static void dvb_base_bin_uri_handler_init (gpointer g_iface,
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gpointer iface_data);
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static void dvb_base_bin_program_destroy (gpointer data);
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/* Proxy callbacks for dvbsrc signals */
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static void tuning_start_signal_cb (GObject * object, DvbBaseBin * dvbbasebin);
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static void tuning_done_signal_cb (GObject * object, DvbBaseBin * dvbbasebin);
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static void tuning_fail_signal_cb (GObject * object, DvbBaseBin * dvbbasebin);
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static void dvb_base_bin_do_tune (DvbBaseBin * dvbbasebin);
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#define dvb_base_bin_parent_class parent_class
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G_DEFINE_TYPE_EXTENDED (DvbBaseBin, dvb_base_bin, GST_TYPE_BIN,
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0,
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G_IMPLEMENT_INTERFACE (GST_TYPE_URI_HANDLER,
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dvb_base_bin_uri_handler_init));
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static void
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dvb_base_bin_ref_stream (DvbBaseBinStream * stream)
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{
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g_return_if_fail (stream != NULL);
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stream->usecount++;
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}
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static void
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dvb_base_bin_unref_stream (DvbBaseBinStream * stream)
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{
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g_return_if_fail (stream != NULL);
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g_return_if_fail (stream->usecount > 0);
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stream->usecount--;
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}
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static DvbBaseBinStream *
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dvb_base_bin_add_stream (DvbBaseBin * dvbbasebin, guint16 pid)
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{
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DvbBaseBinStream *stream;
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stream = g_new0 (DvbBaseBinStream, 1);
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stream->pid = pid;
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stream->usecount = 0;
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g_hash_table_insert (dvbbasebin->streams,
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GINT_TO_POINTER ((gint) pid), stream);
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return stream;
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}
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static DvbBaseBinStream *
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dvb_base_bin_get_stream (DvbBaseBin * dvbbasebin, guint16 pid)
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{
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return (DvbBaseBinStream *) g_hash_table_lookup (dvbbasebin->streams,
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GINT_TO_POINTER ((gint) pid));
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}
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static DvbBaseBinProgram *
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dvb_base_bin_add_program (DvbBaseBin * dvbbasebin, gint program_number)
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{
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DvbBaseBinProgram *program;
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program = g_new0 (DvbBaseBinProgram, 1);
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program->program_number = program_number;
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program->selected = FALSE;
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program->active = FALSE;
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program->pmt_pid = G_MAXUINT16;
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program->pcr_pid = G_MAXUINT16;
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program->pmt = NULL;
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program->old_pmt = NULL;
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g_hash_table_insert (dvbbasebin->programs,
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GINT_TO_POINTER (program_number), program);
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return program;
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}
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static DvbBaseBinProgram *
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dvb_base_bin_get_program (DvbBaseBin * dvbbasebin, gint program_number)
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{
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return (DvbBaseBinProgram *) g_hash_table_lookup (dvbbasebin->programs,
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GINT_TO_POINTER (program_number));
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}
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static guint dvb_base_bin_signals[LAST_SIGNAL] = { 0 };
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static void
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tuning_start_signal_cb (GObject * object, DvbBaseBin * dvbbasebin)
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{
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g_signal_emit (dvbbasebin, dvb_base_bin_signals[SIGNAL_TUNING_START], 0);
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}
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static void
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tuning_done_signal_cb (GObject * object, DvbBaseBin * dvbbasebin)
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{
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g_signal_emit (dvbbasebin, dvb_base_bin_signals[SIGNAL_TUNING_DONE], 0);
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}
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static void
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tuning_fail_signal_cb (GObject * object, DvbBaseBin * dvbbasebin)
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{
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g_signal_emit (dvbbasebin, dvb_base_bin_signals[SIGNAL_TUNING_FAIL], 0);
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}
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static void
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dvb_base_bin_do_tune (DvbBaseBin * dvbbasebin)
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{
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g_signal_emit_by_name (dvbbasebin->dvbsrc, "tune", NULL);
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}
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static void
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dvb_base_bin_class_init (DvbBaseBinClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *element_class;
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GstBinClass *bin_class;
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DvbBaseBinClass *dvbbasebin_class;
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GstElementFactory *dvbsrc_factory;
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GObjectClass *dvbsrc_class;
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typedef struct
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{
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guint prop_id;
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const gchar *prop_name;
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} ProxyedProperty;
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ProxyedProperty *walk;
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ProxyedProperty proxyed_properties[] = {
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{PROP_ADAPTER, "adapter"},
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{PROP_FRONTEND, "frontend"},
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{PROP_DISEQC_SRC, "diseqc-source"},
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{PROP_FREQUENCY, "frequency"},
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{PROP_POLARITY, "polarity"},
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{PROP_SYMBOL_RATE, "symbol-rate"},
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#ifndef GST_REMOVE_DEPRECATED
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{PROP_BANDWIDTH, "bandwidth"},
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#endif
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{PROP_CODE_RATE_HP, "code-rate-hp"},
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{PROP_CODE_RATE_LP, "code-rate-lp"},
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{PROP_GUARD, "guard"},
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{PROP_MODULATION, "modulation"},
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{PROP_TRANS_MODE, "trans-mode"},
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{PROP_HIERARCHY, "hierarchy"},
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{PROP_INVERSION, "inversion"},
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{PROP_STATS_REPORTING_INTERVAL, "stats-reporting-interval"},
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{PROP_TUNING_TIMEOUT, "tuning-timeout"},
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{PROP_DELSYS, "delsys"},
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{PROP_PILOT, "pilot"},
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{PROP_ROLLOFF, "rolloff"},
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{PROP_STREAM_ID, "stream-id"},
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{PROP_BANDWIDTH_HZ, "bandwidth-hz"},
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{PROP_ISDBT_LAYER_ENABLED, "isdbt-layer-enabled"},
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{PROP_ISDBT_PARTIAL_RECEPTION, "isdbt-partial-reception"},
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{PROP_ISDBT_SOUND_BROADCASTING, "isdbt-sound-broadcasting"},
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{PROP_ISDBT_SB_SUBCHANNEL_ID, "isdbt-sb-subchannel-id"},
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{PROP_ISDBT_SB_SEGMENT_IDX, "isdbt-sb-segment-idx"},
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{PROP_ISDBT_SB_SEGMENT_COUNT, "isdbt-sb-segment-count"},
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{PROP_ISDBT_LAYERA_FEC, "isdbt-layera-fec"},
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{PROP_ISDBT_LAYERA_MODULATION, "isdbt-layera-modulation"},
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{PROP_ISDBT_LAYERA_SEGMENT_COUNT, "isdbt-layera-segment-count"},
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{PROP_ISDBT_LAYERA_TIME_INTERLEAVING, "isdbt-layera-time-interleaving"},
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{PROP_ISDBT_LAYERB_FEC, "isdbt-layerb-fec"},
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{PROP_ISDBT_LAYERB_MODULATION, "isdbt-layerb-modulation"},
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{PROP_ISDBT_LAYERB_SEGMENT_COUNT, "isdbt-layerb-segment-count"},
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{PROP_ISDBT_LAYERB_TIME_INTERLEAVING, "isdbt-layerb-time-interleaving"},
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{PROP_ISDBT_LAYERC_FEC, "isdbt-layerc-fec"},
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{PROP_ISDBT_LAYERC_MODULATION, "isdbt-layerc-modulation"},
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{PROP_ISDBT_LAYERC_SEGMENT_COUNT, "isdbt-layerc-segment-count"},
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{PROP_ISDBT_LAYERC_TIME_INTERLEAVING, "isdbt-layerc-time-interleaving"},
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{PROP_LNB_SLOF, "lnb-slof"},
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{PROP_LNB_LOF1, "lnb-lof1"},
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{PROP_LNB_LOF2, "lnb-lof2"},
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{PROP_INTERLEAVING, "interleaving"},
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{0, NULL}
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};
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bin_class = GST_BIN_CLASS (klass);
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bin_class->handle_message = dvb_base_bin_handle_message;
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element_class = GST_ELEMENT_CLASS (klass);
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element_class->change_state = dvb_base_bin_change_state;
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element_class->request_new_pad = dvb_base_bin_request_new_pad;
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element_class->release_pad = dvb_base_bin_release_pad;
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&program_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&src_template));
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gst_element_class_set_static_metadata (element_class, "DVB bin",
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"Source/Bin/Video",
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"Access descramble and split DVB streams",
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"Alessandro Decina <alessandro@nnva.org>\n"
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"Reynaldo H. Verdejo Pinochet <r.verdejo@sisa.samsung.com>");
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gobject_class = G_OBJECT_CLASS (klass);
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gobject_class->set_property = dvb_base_bin_set_property;
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gobject_class->get_property = dvb_base_bin_get_property;
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gobject_class->dispose = dvb_base_bin_dispose;
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gobject_class->finalize = dvb_base_bin_finalize;
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dvbbasebin_class = (DvbBaseBinClass *) klass;
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dvbbasebin_class->do_tune = dvb_base_bin_do_tune;
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/* install dvbsrc properties */
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dvbsrc_factory = gst_element_factory_find ("dvbsrc");
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dvbsrc_class =
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g_type_class_ref (gst_element_factory_get_element_type (dvbsrc_factory));
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walk = proxyed_properties;
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while (walk->prop_name != NULL) {
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GParamSpec *pspec;
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GParamSpec *our_pspec;
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pspec = g_object_class_find_property (dvbsrc_class, walk->prop_name);
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if (pspec != NULL) {
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GType param_type = G_PARAM_SPEC_TYPE (pspec);
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if (param_type == G_TYPE_PARAM_INT) {
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GParamSpecInt *src_pspec = G_PARAM_SPEC_INT (pspec);
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our_pspec = g_param_spec_int (g_param_spec_get_name (pspec),
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g_param_spec_get_nick (pspec), g_param_spec_get_blurb (pspec),
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src_pspec->minimum, src_pspec->maximum, src_pspec->default_value,
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pspec->flags);
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} else if (param_type == G_TYPE_PARAM_UINT) {
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GParamSpecUInt *src_pspec = G_PARAM_SPEC_UINT (pspec);
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our_pspec = g_param_spec_uint (g_param_spec_get_name (pspec),
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g_param_spec_get_nick (pspec), g_param_spec_get_blurb (pspec),
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src_pspec->minimum, src_pspec->maximum, src_pspec->default_value,
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pspec->flags);
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} else if (param_type == G_TYPE_PARAM_UINT64) {
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GParamSpecUInt64 *src_pspec = G_PARAM_SPEC_UINT64 (pspec);
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our_pspec = g_param_spec_uint64 (g_param_spec_get_name (pspec),
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g_param_spec_get_nick (pspec), g_param_spec_get_blurb (pspec),
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src_pspec->minimum, src_pspec->maximum, src_pspec->default_value,
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pspec->flags);
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} else if (param_type == G_TYPE_PARAM_STRING) {
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GParamSpecString *src_pspec = G_PARAM_SPEC_STRING (pspec);
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our_pspec = g_param_spec_string (g_param_spec_get_name (pspec),
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g_param_spec_get_nick (pspec), g_param_spec_get_blurb (pspec),
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src_pspec->default_value, pspec->flags);
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} else if (param_type == G_TYPE_PARAM_ENUM) {
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GParamSpecEnum *src_pspec = G_PARAM_SPEC_ENUM (pspec);
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our_pspec = g_param_spec_enum (g_param_spec_get_name (pspec),
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g_param_spec_get_nick (pspec), g_param_spec_get_blurb (pspec),
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pspec->value_type, src_pspec->default_value, pspec->flags);
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} else {
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GST_ERROR ("Unsupported property type %s for property %s",
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g_type_name (param_type), g_param_spec_get_name (pspec));
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++walk;
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continue;
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}
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g_object_class_install_property (gobject_class, walk->prop_id, our_pspec);
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} else {
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g_warning ("dvbsrc has no property named %s", walk->prop_name);
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}
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++walk;
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}
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g_type_class_unref (dvbsrc_class);
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g_object_class_install_property (gobject_class, PROP_PROGRAM_NUMBERS,
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g_param_spec_string ("program-numbers",
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"Program Numbers",
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"Colon separated list of programs", "", G_PARAM_READWRITE));
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/**
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* DvbBaseBin::tuning-start:
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* @dvbbasebin: the element on which the signal is emitted
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*
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* Signal emited when the element first attempts to tune the
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* frontend tunner to a given frequency.
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*/
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dvb_base_bin_signals[SIGNAL_TUNING_START] =
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g_signal_new ("tuning-start", G_TYPE_FROM_CLASS (klass),
|
|
G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 0);
|
|
/**
|
|
* DvbBaseBin::tuning-done:
|
|
* @dvbbasebin: the element on which the signal is emitted
|
|
*
|
|
* Signal emited when the tunner has successfully got a lock on a signal.
|
|
*/
|
|
dvb_base_bin_signals[SIGNAL_TUNING_DONE] =
|
|
g_signal_new ("tuning-done", G_TYPE_FROM_CLASS (klass),
|
|
G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 0);
|
|
/**
|
|
* DvbBaseBin::tuning-fail:
|
|
* @dvbbasebin: the element on which the signal is emitted
|
|
*
|
|
* Signal emited when the tunner failed to get a lock on the
|
|
* signal.
|
|
*/
|
|
dvb_base_bin_signals[SIGNAL_TUNING_FAIL] =
|
|
g_signal_new ("tuning-fail", G_TYPE_FROM_CLASS (klass),
|
|
G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 0);
|
|
|
|
/**
|
|
* DvbBaseBin::tune:
|
|
* @dvbbasesink: the element on which the signal is emitted
|
|
*
|
|
* Signal emited from the application to the element, instructing it
|
|
* to tune.
|
|
*/
|
|
dvb_base_bin_signals[SIGNAL_TUNE] =
|
|
g_signal_new ("tune", G_TYPE_FROM_CLASS (klass),
|
|
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
|
|
G_STRUCT_OFFSET (DvbBaseBinClass, do_tune),
|
|
NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
|
|
}
|
|
|
|
static void
|
|
dvb_base_bin_reset (DvbBaseBin * dvbbasebin)
|
|
{
|
|
if (dvbbasebin->hwcam) {
|
|
cam_device_close (dvbbasebin->hwcam);
|
|
cam_device_free (dvbbasebin->hwcam);
|
|
dvbbasebin->hwcam = NULL;
|
|
}
|
|
dvbbasebin->trycam = TRUE;
|
|
}
|
|
|
|
static const gint16 initial_pids[] = { 0, 1, 0x10, 0x11, 0x12, 0x14, -1 };
|
|
|
|
static void
|
|
dvb_base_bin_init (DvbBaseBin * dvbbasebin)
|
|
{
|
|
DvbBaseBinStream *stream;
|
|
GstPad *ghost, *pad;
|
|
int i;
|
|
|
|
dvbbasebin->dvbsrc = gst_element_factory_make ("dvbsrc", NULL);
|
|
dvbbasebin->buffer_queue = gst_element_factory_make ("queue", NULL);
|
|
dvbbasebin->tsparse = gst_element_factory_make ("tsparse", NULL);
|
|
|
|
g_object_set (dvbbasebin->buffer_queue, "max-size-buffers", 0,
|
|
"max-size-bytes", 0, "max-size-time", (guint64) 0, NULL);
|
|
|
|
gst_bin_add_many (GST_BIN (dvbbasebin), dvbbasebin->dvbsrc,
|
|
dvbbasebin->buffer_queue, dvbbasebin->tsparse, NULL);
|
|
|
|
gst_element_link_many (dvbbasebin->dvbsrc,
|
|
dvbbasebin->buffer_queue, dvbbasebin->tsparse, NULL);
|
|
|
|
/* Proxy dvbsrc signals */
|
|
g_signal_connect (dvbbasebin->dvbsrc, "tuning-start",
|
|
G_CALLBACK (tuning_start_signal_cb), dvbbasebin);
|
|
g_signal_connect (dvbbasebin->dvbsrc, "tuning-done",
|
|
G_CALLBACK (tuning_done_signal_cb), dvbbasebin);
|
|
g_signal_connect (dvbbasebin->dvbsrc, "tuning-fail",
|
|
G_CALLBACK (tuning_fail_signal_cb), dvbbasebin);
|
|
|
|
/* Expose tsparse source pad */
|
|
if (dvbbasebin->tsparse != NULL) {
|
|
pad = gst_element_get_static_pad (dvbbasebin->tsparse, "src");
|
|
ghost = gst_ghost_pad_new ("src", pad);
|
|
} else {
|
|
ghost = gst_ghost_pad_new_no_target ("src", GST_PAD_SRC);
|
|
}
|
|
gst_element_add_pad (GST_ELEMENT (dvbbasebin), ghost);
|
|
|
|
dvbbasebin->programs = g_hash_table_new_full (g_direct_hash, g_direct_equal,
|
|
NULL, dvb_base_bin_program_destroy);
|
|
dvbbasebin->streams = g_hash_table_new_full (g_direct_hash, g_direct_equal,
|
|
NULL, g_free);
|
|
|
|
dvbbasebin->pmtlist = NULL;
|
|
dvbbasebin->pmtlist_changed = FALSE;
|
|
|
|
dvbbasebin->disposed = FALSE;
|
|
dvb_base_bin_reset (dvbbasebin);
|
|
|
|
/* add PAT, CAT, NIT, SDT, EIT, TDT to pids filter for dvbsrc */
|
|
i = 0;
|
|
while (initial_pids[i] >= 0) {
|
|
stream = dvb_base_bin_add_stream (dvbbasebin, (guint16) initial_pids[i]);
|
|
dvb_base_bin_ref_stream (stream);
|
|
i++;
|
|
}
|
|
dvb_base_bin_rebuild_filter (dvbbasebin);
|
|
|
|
g_rec_mutex_init (&dvbbasebin->lock);
|
|
dvbbasebin->task =
|
|
gst_task_new ((GstTaskFunction) dvb_base_bin_task, dvbbasebin, NULL);
|
|
gst_task_set_lock (dvbbasebin->task, &dvbbasebin->lock);
|
|
dvbbasebin->poll = gst_poll_new_timer ();
|
|
}
|
|
|
|
static void
|
|
dvb_base_bin_dispose (GObject * object)
|
|
{
|
|
DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (object);
|
|
|
|
if (!dvbbasebin->disposed) {
|
|
/* remove mpegtsparse BEFORE dvbsrc, since the mpegtsparse::pad-removed
|
|
* signal handler uses dvbsrc */
|
|
dvb_base_bin_reset (dvbbasebin);
|
|
if (dvbbasebin->tsparse != NULL)
|
|
gst_bin_remove (GST_BIN (dvbbasebin), dvbbasebin->tsparse);
|
|
gst_bin_remove (GST_BIN (dvbbasebin), dvbbasebin->dvbsrc);
|
|
gst_bin_remove (GST_BIN (dvbbasebin), dvbbasebin->buffer_queue);
|
|
dvbbasebin->disposed = TRUE;
|
|
}
|
|
|
|
if (G_OBJECT_CLASS (parent_class)->dispose)
|
|
G_OBJECT_CLASS (parent_class)->dispose (object);
|
|
}
|
|
|
|
static void
|
|
dvb_base_bin_finalize (GObject * object)
|
|
{
|
|
DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (object);
|
|
|
|
g_hash_table_destroy (dvbbasebin->streams);
|
|
g_hash_table_destroy (dvbbasebin->programs);
|
|
g_list_free (dvbbasebin->pmtlist);
|
|
|
|
if (G_OBJECT_CLASS (parent_class)->finalize)
|
|
G_OBJECT_CLASS (parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
dvb_base_bin_set_program_numbers (DvbBaseBin * dvbbasebin, const gchar * pn)
|
|
{
|
|
gchar **strv, **walk;
|
|
DvbBaseBinProgram *program;
|
|
|
|
/* Split up and update programs */
|
|
strv = g_strsplit (pn, ":", 0);
|
|
|
|
for (walk = strv; *walk; walk++) {
|
|
gint program_number = strtol (*walk, NULL, 0);
|
|
|
|
program = dvb_base_bin_get_program (dvbbasebin, program_number);
|
|
if (program == NULL) {
|
|
program = dvb_base_bin_add_program (dvbbasebin, program_number);
|
|
program->selected = TRUE;
|
|
}
|
|
}
|
|
|
|
g_strfreev (strv);
|
|
|
|
/* FIXME : Deactivate programs no longer selected */
|
|
|
|
if (dvbbasebin->program_numbers)
|
|
g_free (dvbbasebin->program_numbers);
|
|
dvbbasebin->program_numbers = g_strdup (pn);
|
|
|
|
if (0)
|
|
dvb_base_bin_deactivate_program (dvbbasebin, NULL);
|
|
}
|
|
|
|
static void
|
|
dvb_base_bin_set_property (GObject * object, guint prop_id,
|
|
const GValue * value, GParamSpec * pspec)
|
|
{
|
|
DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (object);
|
|
|
|
switch (prop_id) {
|
|
case PROP_ADAPTER:
|
|
case PROP_DISEQC_SRC:
|
|
case PROP_FRONTEND:
|
|
case PROP_FREQUENCY:
|
|
case PROP_POLARITY:
|
|
case PROP_SYMBOL_RATE:
|
|
case PROP_BANDWIDTH:
|
|
case PROP_CODE_RATE_HP:
|
|
case PROP_CODE_RATE_LP:
|
|
case PROP_GUARD:
|
|
case PROP_MODULATION:
|
|
case PROP_TRANS_MODE:
|
|
case PROP_HIERARCHY:
|
|
case PROP_INVERSION:
|
|
case PROP_STATS_REPORTING_INTERVAL:
|
|
case PROP_TUNING_TIMEOUT:
|
|
case PROP_DELSYS:
|
|
case PROP_PILOT:
|
|
case PROP_ROLLOFF:
|
|
case PROP_STREAM_ID:
|
|
case PROP_BANDWIDTH_HZ:
|
|
case PROP_ISDBT_LAYER_ENABLED:
|
|
case PROP_ISDBT_PARTIAL_RECEPTION:
|
|
case PROP_ISDBT_SOUND_BROADCASTING:
|
|
case PROP_ISDBT_SB_SUBCHANNEL_ID:
|
|
case PROP_ISDBT_SB_SEGMENT_IDX:
|
|
case PROP_ISDBT_SB_SEGMENT_COUNT:
|
|
case PROP_ISDBT_LAYERA_FEC:
|
|
case PROP_ISDBT_LAYERA_MODULATION:
|
|
case PROP_ISDBT_LAYERA_SEGMENT_COUNT:
|
|
case PROP_ISDBT_LAYERA_TIME_INTERLEAVING:
|
|
case PROP_ISDBT_LAYERB_FEC:
|
|
case PROP_ISDBT_LAYERB_MODULATION:
|
|
case PROP_ISDBT_LAYERB_SEGMENT_COUNT:
|
|
case PROP_ISDBT_LAYERB_TIME_INTERLEAVING:
|
|
case PROP_ISDBT_LAYERC_FEC:
|
|
case PROP_ISDBT_LAYERC_MODULATION:
|
|
case PROP_ISDBT_LAYERC_SEGMENT_COUNT:
|
|
case PROP_ISDBT_LAYERC_TIME_INTERLEAVING:
|
|
case PROP_LNB_SLOF:
|
|
case PROP_LNB_LOF1:
|
|
case PROP_LNB_LOF2:
|
|
case PROP_INTERLEAVING:
|
|
/* FIXME: check if we can tune (state < PLAYING || program-numbers == "") */
|
|
g_object_set_property (G_OBJECT (dvbbasebin->dvbsrc), pspec->name, value);
|
|
break;
|
|
case PROP_PROGRAM_NUMBERS:
|
|
dvb_base_bin_set_program_numbers (dvbbasebin, g_value_get_string (value));
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dvb_base_bin_get_property (GObject * object, guint prop_id,
|
|
GValue * value, GParamSpec * pspec)
|
|
{
|
|
DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (object);
|
|
|
|
switch (prop_id) {
|
|
case PROP_ADAPTER:
|
|
case PROP_FRONTEND:
|
|
case PROP_DISEQC_SRC:
|
|
case PROP_FREQUENCY:
|
|
case PROP_POLARITY:
|
|
case PROP_SYMBOL_RATE:
|
|
case PROP_BANDWIDTH:
|
|
case PROP_CODE_RATE_HP:
|
|
case PROP_CODE_RATE_LP:
|
|
case PROP_GUARD:
|
|
case PROP_MODULATION:
|
|
case PROP_TRANS_MODE:
|
|
case PROP_HIERARCHY:
|
|
case PROP_INVERSION:
|
|
case PROP_STATS_REPORTING_INTERVAL:
|
|
case PROP_TUNING_TIMEOUT:
|
|
case PROP_DELSYS:
|
|
case PROP_PILOT:
|
|
case PROP_ROLLOFF:
|
|
case PROP_STREAM_ID:
|
|
case PROP_BANDWIDTH_HZ:
|
|
case PROP_ISDBT_LAYER_ENABLED:
|
|
case PROP_ISDBT_PARTIAL_RECEPTION:
|
|
case PROP_ISDBT_SOUND_BROADCASTING:
|
|
case PROP_ISDBT_SB_SUBCHANNEL_ID:
|
|
case PROP_ISDBT_SB_SEGMENT_IDX:
|
|
case PROP_ISDBT_SB_SEGMENT_COUNT:
|
|
case PROP_ISDBT_LAYERA_FEC:
|
|
case PROP_ISDBT_LAYERA_MODULATION:
|
|
case PROP_ISDBT_LAYERA_SEGMENT_COUNT:
|
|
case PROP_ISDBT_LAYERA_TIME_INTERLEAVING:
|
|
case PROP_ISDBT_LAYERB_FEC:
|
|
case PROP_ISDBT_LAYERB_MODULATION:
|
|
case PROP_ISDBT_LAYERB_SEGMENT_COUNT:
|
|
case PROP_ISDBT_LAYERB_TIME_INTERLEAVING:
|
|
case PROP_ISDBT_LAYERC_FEC:
|
|
case PROP_ISDBT_LAYERC_MODULATION:
|
|
case PROP_ISDBT_LAYERC_SEGMENT_COUNT:
|
|
case PROP_ISDBT_LAYERC_TIME_INTERLEAVING:
|
|
case PROP_LNB_SLOF:
|
|
case PROP_LNB_LOF1:
|
|
case PROP_LNB_LOF2:
|
|
case PROP_INTERLEAVING:
|
|
g_object_get_property (G_OBJECT (dvbbasebin->dvbsrc), pspec->name, value);
|
|
break;
|
|
case PROP_PROGRAM_NUMBERS:
|
|
g_value_set_string (value, dvbbasebin->program_numbers);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
}
|
|
}
|
|
|
|
static GstPad *
|
|
dvb_base_bin_request_new_pad (GstElement * element,
|
|
GstPadTemplate * templ, const gchar * name, const GstCaps * caps)
|
|
{
|
|
DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (element);
|
|
GstPad *pad;
|
|
GstPad *ghost;
|
|
gchar *pad_name;
|
|
|
|
GST_DEBUG_OBJECT (dvbbasebin, "New pad requested %s", GST_STR_NULL (name));
|
|
|
|
if (dvbbasebin->tsparse == NULL)
|
|
return NULL;
|
|
|
|
if (name == NULL)
|
|
name = GST_PAD_TEMPLATE_NAME_TEMPLATE (templ);
|
|
|
|
pad = gst_element_get_request_pad (dvbbasebin->tsparse, name);
|
|
if (pad == NULL)
|
|
return NULL;
|
|
|
|
pad_name = gst_pad_get_name (pad);
|
|
ghost = gst_ghost_pad_new (pad_name, pad);
|
|
g_free (pad_name);
|
|
gst_element_add_pad (element, ghost);
|
|
|
|
return ghost;
|
|
}
|
|
|
|
static void
|
|
dvb_base_bin_release_pad (GstElement * element, GstPad * pad)
|
|
{
|
|
GstGhostPad *ghost;
|
|
GstPad *target;
|
|
|
|
g_return_if_fail (GST_IS_DVB_BASE_BIN (element));
|
|
|
|
ghost = GST_GHOST_PAD (pad);
|
|
target = gst_ghost_pad_get_target (ghost);
|
|
gst_element_release_request_pad (GST_ELEMENT (GST_DVB_BASE_BIN
|
|
(element)->tsparse), target);
|
|
gst_object_unref (target);
|
|
|
|
gst_element_remove_pad (element, pad);
|
|
}
|
|
|
|
static void
|
|
dvb_base_bin_reset_pmtlist (DvbBaseBin * dvbbasebin)
|
|
{
|
|
CamConditionalAccessPmtFlag flag;
|
|
GList *walk;
|
|
GstMpegtsPMT *pmt;
|
|
|
|
walk = dvbbasebin->pmtlist;
|
|
while (walk) {
|
|
if (walk->prev == NULL) {
|
|
if (walk->next == NULL)
|
|
flag = CAM_CONDITIONAL_ACCESS_PMT_FLAG_ONLY;
|
|
else
|
|
flag = CAM_CONDITIONAL_ACCESS_PMT_FLAG_FIRST;
|
|
} else {
|
|
if (walk->next == NULL)
|
|
flag = CAM_CONDITIONAL_ACCESS_PMT_FLAG_LAST;
|
|
else
|
|
flag = CAM_CONDITIONAL_ACCESS_PMT_FLAG_MORE;
|
|
}
|
|
|
|
pmt = (GstMpegtsPMT *) walk->data;
|
|
cam_device_set_pmt (dvbbasebin->hwcam, pmt, flag);
|
|
|
|
walk = walk->next;
|
|
}
|
|
|
|
dvbbasebin->pmtlist_changed = FALSE;
|
|
}
|
|
|
|
static void
|
|
dvb_base_bin_init_cam (DvbBaseBin * dvbbasebin)
|
|
{
|
|
gint adapter;
|
|
gchar *ca_file;
|
|
|
|
g_object_get (dvbbasebin->dvbsrc, "adapter", &adapter, NULL);
|
|
/* TODO: handle multiple cams */
|
|
ca_file = g_strdup_printf ("/dev/dvb/adapter%d/ca0", adapter);
|
|
if (g_file_test (ca_file, G_FILE_TEST_EXISTS)) {
|
|
dvbbasebin->hwcam = cam_device_new ();
|
|
/* device_open() can block up to 5s ! */
|
|
if (!cam_device_open (dvbbasebin->hwcam, ca_file)) {
|
|
GST_ERROR_OBJECT (dvbbasebin, "could not open %s", ca_file);
|
|
cam_device_free (dvbbasebin->hwcam);
|
|
dvbbasebin->hwcam = NULL;
|
|
}
|
|
}
|
|
|
|
dvbbasebin->trycam = FALSE;
|
|
|
|
g_free (ca_file);
|
|
}
|
|
|
|
static GstStateChangeReturn
|
|
dvb_base_bin_change_state (GstElement * element, GstStateChange transition)
|
|
{
|
|
DvbBaseBin *dvbbasebin;
|
|
GstStateChangeReturn ret;
|
|
|
|
dvbbasebin = GST_DVB_BASE_BIN (element);
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_NULL_TO_READY:
|
|
if (dvbbasebin->tsparse == NULL) {
|
|
GST_ELEMENT_ERROR (dvbbasebin, CORE, MISSING_PLUGIN, (NULL),
|
|
("No 'tsparse' element, check your GStreamer installation."));
|
|
return GST_STATE_CHANGE_FAILURE;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
|
gst_poll_set_flushing (dvbbasebin->poll, FALSE);
|
|
g_rec_mutex_lock (&dvbbasebin->lock);
|
|
gst_task_start (dvbbasebin->task);
|
|
g_rec_mutex_unlock (&dvbbasebin->lock);
|
|
break;
|
|
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
|
gst_poll_set_flushing (dvbbasebin->poll, TRUE);
|
|
g_rec_mutex_lock (&dvbbasebin->lock);
|
|
gst_task_stop (dvbbasebin->task);
|
|
g_rec_mutex_unlock (&dvbbasebin->lock);
|
|
dvb_base_bin_reset (dvbbasebin);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
foreach_stream_build_filter (gpointer key, gpointer value, gpointer user_data)
|
|
{
|
|
DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (user_data);
|
|
DvbBaseBinStream *stream = (DvbBaseBinStream *) value;
|
|
gchar *tmp, *pid;
|
|
|
|
GST_DEBUG ("stream %d usecount %d", stream->pid, stream->usecount);
|
|
|
|
if (stream->usecount > 0) {
|
|
/* TODO: use g_strjoinv FTW */
|
|
tmp = dvbbasebin->filter;
|
|
pid = g_strdup_printf ("%d", stream->pid);
|
|
dvbbasebin->filter = g_strjoin (":", pid, dvbbasebin->filter, NULL);
|
|
|
|
g_free (pid);
|
|
g_free (tmp);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dvb_base_bin_rebuild_filter (DvbBaseBin * dvbbasebin)
|
|
{
|
|
g_hash_table_foreach (dvbbasebin->streams,
|
|
foreach_stream_build_filter, dvbbasebin);
|
|
|
|
if (dvbbasebin->filter == NULL)
|
|
/* fix dvbsrc to handle NULL filter */
|
|
dvbbasebin->filter = g_strdup ("");
|
|
|
|
GST_INFO_OBJECT (dvbbasebin, "rebuilt filter %s", dvbbasebin->filter);
|
|
|
|
/* FIXME: find a way to not add unwanted pids controlled by app */
|
|
g_object_set (dvbbasebin->dvbsrc, "pids", dvbbasebin->filter, NULL);
|
|
g_free (dvbbasebin->filter);
|
|
dvbbasebin->filter = NULL;
|
|
}
|
|
|
|
static void
|
|
dvb_base_bin_remove_pmt_streams (DvbBaseBin * dvbbasebin,
|
|
const GstMpegtsPMT * pmt)
|
|
{
|
|
gint i;
|
|
DvbBaseBinStream *stream;
|
|
|
|
for (i = 0; i < pmt->streams->len; i++) {
|
|
GstMpegtsPMTStream *pmtstream = g_ptr_array_index (pmt->streams, i);
|
|
|
|
stream = dvb_base_bin_get_stream (dvbbasebin, pmtstream->pid);
|
|
if (stream == NULL) {
|
|
GST_WARNING_OBJECT (dvbbasebin, "removing unknown stream %d ??",
|
|
pmtstream->pid);
|
|
continue;
|
|
}
|
|
|
|
dvb_base_bin_unref_stream (stream);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dvb_base_bin_add_pmt_streams (DvbBaseBin * dvbbasebin, const GstMpegtsPMT * pmt)
|
|
{
|
|
DvbBaseBinStream *stream;
|
|
gint i;
|
|
|
|
for (i = 0; i < pmt->streams->len; i++) {
|
|
GstMpegtsPMTStream *pmtstream = g_ptr_array_index (pmt->streams, i);
|
|
|
|
GST_DEBUG ("filtering stream %d stream_type %d", pmtstream->pid,
|
|
pmtstream->stream_type);
|
|
|
|
stream = dvb_base_bin_get_stream (dvbbasebin, pmtstream->pid);
|
|
if (stream == NULL)
|
|
stream = dvb_base_bin_add_stream (dvbbasebin, pmtstream->pid);
|
|
dvb_base_bin_ref_stream (stream);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dvb_base_bin_activate_program (DvbBaseBin * dvbbasebin,
|
|
DvbBaseBinProgram * program)
|
|
{
|
|
DvbBaseBinStream *stream;
|
|
|
|
if (program->old_pmt) {
|
|
dvb_base_bin_remove_pmt_streams (dvbbasebin, program->old_pmt);
|
|
dvbbasebin->pmtlist = g_list_remove (dvbbasebin->pmtlist, program->old_pmt);
|
|
}
|
|
|
|
/* activate the PMT and PCR streams. If the PCR stream is in the PMT its
|
|
* usecount will be incremented by 2 here and decremented by 2 when the
|
|
* program is deactivated */
|
|
if (!program->pmt_active) {
|
|
stream = dvb_base_bin_get_stream (dvbbasebin, program->pmt_pid);
|
|
if (stream == NULL)
|
|
stream = dvb_base_bin_add_stream (dvbbasebin, program->pmt_pid);
|
|
dvb_base_bin_ref_stream (stream);
|
|
program->pmt_active = TRUE;
|
|
}
|
|
|
|
if (program->pmt) {
|
|
guint16 old_pcr_pid;
|
|
|
|
old_pcr_pid = program->pcr_pid;
|
|
program->pcr_pid = program->pmt->pcr_pid;
|
|
if (old_pcr_pid != G_MAXUINT16 && old_pcr_pid != program->pcr_pid) {
|
|
dvb_base_bin_unref_stream (dvb_base_bin_get_stream (dvbbasebin,
|
|
old_pcr_pid));
|
|
}
|
|
|
|
stream = dvb_base_bin_get_stream (dvbbasebin, program->pcr_pid);
|
|
if (stream == NULL)
|
|
stream = dvb_base_bin_add_stream (dvbbasebin, program->pcr_pid);
|
|
dvb_base_bin_ref_stream (stream);
|
|
|
|
dvb_base_bin_add_pmt_streams (dvbbasebin, program->pmt);
|
|
dvbbasebin->pmtlist =
|
|
g_list_append (dvbbasebin->pmtlist, (gpointer) program->pmt);
|
|
dvbbasebin->pmtlist_changed = TRUE;
|
|
program->active = TRUE;
|
|
}
|
|
|
|
dvb_base_bin_rebuild_filter (dvbbasebin);
|
|
}
|
|
|
|
static void
|
|
dvb_base_bin_deactivate_program (DvbBaseBin * dvbbasebin,
|
|
DvbBaseBinProgram * program)
|
|
{
|
|
DvbBaseBinStream *stream;
|
|
|
|
stream = dvb_base_bin_get_stream (dvbbasebin, program->pmt_pid);
|
|
if (stream != NULL) {
|
|
dvb_base_bin_unref_stream (stream);
|
|
}
|
|
|
|
stream = dvb_base_bin_get_stream (dvbbasebin, program->pcr_pid);
|
|
if (stream != NULL) {
|
|
dvb_base_bin_unref_stream (stream);
|
|
}
|
|
|
|
if (program->pmt) {
|
|
dvb_base_bin_remove_pmt_streams (dvbbasebin, program->pmt);
|
|
dvbbasebin->pmtlist = g_list_remove (dvbbasebin->pmtlist, program->pmt);
|
|
dvbbasebin->pmtlist_changed = TRUE;
|
|
}
|
|
|
|
dvb_base_bin_rebuild_filter (dvbbasebin);
|
|
program->pmt_active = FALSE;
|
|
program->active = FALSE;
|
|
}
|
|
|
|
static void
|
|
dvb_base_bin_handle_message (GstBin * bin, GstMessage * message)
|
|
{
|
|
DvbBaseBin *dvbbasebin;
|
|
|
|
dvbbasebin = GST_DVB_BASE_BIN (bin);
|
|
|
|
/* note: message->src might be a GstPad, so use element cast w/o typecheck */
|
|
if (GST_ELEMENT_CAST (message->src) == dvbbasebin->tsparse) {
|
|
GstMpegtsSection *section = gst_message_parse_mpegts_section (message);
|
|
|
|
if (section) {
|
|
switch (GST_MPEGTS_SECTION_TYPE (section)) {
|
|
case GST_MPEGTS_SECTION_PAT:
|
|
dvb_base_bin_pat_info_cb (dvbbasebin, section);
|
|
break;
|
|
case GST_MPEGTS_SECTION_PMT:
|
|
dvb_base_bin_pmt_info_cb (dvbbasebin, section);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
gst_mpegts_section_unref (section);
|
|
}
|
|
}
|
|
|
|
/* chain up */
|
|
GST_BIN_CLASS (parent_class)->handle_message (bin, message);
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
dvb_base_bin_pat_info_cb (DvbBaseBin * dvbbasebin, GstMpegtsSection * section)
|
|
{
|
|
GPtrArray *pat;
|
|
DvbBaseBinProgram *program;
|
|
DvbBaseBinStream *stream;
|
|
guint old_pmt_pid;
|
|
gint i;
|
|
gboolean rebuild_filter = FALSE;
|
|
|
|
if (!(pat = gst_mpegts_section_get_pat (section))) {
|
|
GST_WARNING_OBJECT (dvbbasebin, "got invalid PAT");
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < pat->len; i++) {
|
|
GstMpegtsPatProgram *patp = g_ptr_array_index (pat, i);
|
|
|
|
program = dvb_base_bin_get_program (dvbbasebin, patp->program_number);
|
|
if (program == NULL)
|
|
program = dvb_base_bin_add_program (dvbbasebin, patp->program_number);
|
|
|
|
old_pmt_pid = program->pmt_pid;
|
|
program->pmt_pid = patp->network_or_program_map_PID;
|
|
|
|
if (program->selected) {
|
|
/* PAT update */
|
|
if (old_pmt_pid != G_MAXUINT16 && old_pmt_pid != program->pmt_pid) {
|
|
dvb_base_bin_unref_stream (dvb_base_bin_get_stream (dvbbasebin,
|
|
old_pmt_pid));
|
|
}
|
|
|
|
stream = dvb_base_bin_get_stream (dvbbasebin, program->pmt_pid);
|
|
if (stream == NULL)
|
|
stream = dvb_base_bin_add_stream (dvbbasebin, program->pmt_pid);
|
|
|
|
dvb_base_bin_ref_stream (stream);
|
|
|
|
rebuild_filter = TRUE;
|
|
}
|
|
}
|
|
|
|
if (rebuild_filter)
|
|
dvb_base_bin_rebuild_filter (dvbbasebin);
|
|
}
|
|
|
|
static void
|
|
dvb_base_bin_pmt_info_cb (DvbBaseBin * dvbbasebin, GstMpegtsSection * section)
|
|
{
|
|
const GstMpegtsPMT *pmt;
|
|
DvbBaseBinProgram *program;
|
|
guint program_number;
|
|
|
|
pmt = gst_mpegts_section_get_pmt (section);
|
|
if (G_UNLIKELY (pmt == NULL)) {
|
|
GST_WARNING_OBJECT (dvbbasebin, "Received invalid PMT");
|
|
return;
|
|
}
|
|
|
|
program_number = section->subtable_extension;
|
|
|
|
program = dvb_base_bin_get_program (dvbbasebin, program_number);
|
|
if (program == NULL) {
|
|
GST_WARNING ("got PMT for program %d but program not in PAT",
|
|
program_number);
|
|
program = dvb_base_bin_add_program (dvbbasebin, program_number);
|
|
}
|
|
|
|
program->old_pmt = program->pmt;
|
|
program->old_section = program->section;
|
|
program->pmt = pmt;
|
|
program->section = gst_mpegts_section_ref (section);
|
|
|
|
/* activate the program if it's selected and either it's not active or its pmt
|
|
* changed */
|
|
if (program->selected && (!program->active || program->old_pmt != NULL))
|
|
dvb_base_bin_activate_program (dvbbasebin, program);
|
|
|
|
if (program->old_pmt) {
|
|
gst_mpegts_section_unref (program->old_section);
|
|
program->old_pmt = NULL;
|
|
}
|
|
}
|
|
|
|
static guint
|
|
dvb_base_bin_uri_get_type (GType type)
|
|
{
|
|
return GST_URI_SRC;
|
|
}
|
|
|
|
static const gchar *const *
|
|
dvb_base_bin_uri_get_protocols (GType type)
|
|
{
|
|
static const gchar *protocols[] = { "dvb", NULL };
|
|
|
|
return protocols;
|
|
}
|
|
|
|
static gchar *
|
|
dvb_base_bin_uri_get_uri (GstURIHandler * handler)
|
|
{
|
|
return g_strdup ("dvb://");
|
|
}
|
|
|
|
static gboolean
|
|
dvb_base_bin_uri_set_uri (GstURIHandler * handler, const gchar * uri,
|
|
GError ** error)
|
|
{
|
|
DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (handler);
|
|
GError *err = NULL;
|
|
gchar *location;
|
|
|
|
location = gst_uri_get_location (uri);
|
|
|
|
if (location == NULL)
|
|
goto no_location;
|
|
|
|
if (!set_properties_for_channel (GST_ELEMENT (dvbbasebin), location, &err))
|
|
goto set_properties_failed;
|
|
|
|
/* FIXME: here is where we parse channels.conf */
|
|
|
|
g_free (location);
|
|
return TRUE;
|
|
/* ERRORS */
|
|
post_error_and_exit:
|
|
{
|
|
gst_element_message_full (GST_ELEMENT (dvbbasebin), GST_MESSAGE_ERROR,
|
|
err->domain, err->code, g_strdup (err->message), NULL, __FILE__,
|
|
GST_FUNCTION, __LINE__);
|
|
g_propagate_error (error, err);
|
|
return FALSE;
|
|
}
|
|
no_location:
|
|
{
|
|
g_set_error (&err, GST_URI_ERROR, GST_URI_ERROR_BAD_URI,
|
|
"No details to DVB URI");
|
|
goto post_error_and_exit;
|
|
}
|
|
set_properties_failed:
|
|
{
|
|
g_free (location);
|
|
goto post_error_and_exit;
|
|
}
|
|
}
|
|
|
|
static void
|
|
dvb_base_bin_uri_handler_init (gpointer g_iface, gpointer iface_data)
|
|
{
|
|
GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
|
|
|
|
iface->get_type = dvb_base_bin_uri_get_type;
|
|
iface->get_protocols = dvb_base_bin_uri_get_protocols;
|
|
iface->get_uri = dvb_base_bin_uri_get_uri;
|
|
iface->set_uri = dvb_base_bin_uri_set_uri;
|
|
}
|
|
|
|
gboolean
|
|
gst_dvb_base_bin_plugin_init (GstPlugin * plugin)
|
|
{
|
|
GST_DEBUG_CATEGORY_INIT (dvb_base_bin_debug, "dvbbasebin", 0, "DVB bin");
|
|
|
|
cam_init ();
|
|
|
|
return gst_element_register (plugin, "dvbbasebin",
|
|
GST_RANK_NONE, GST_TYPE_DVB_BASE_BIN);
|
|
}
|
|
|
|
static void
|
|
dvb_base_bin_program_destroy (gpointer data)
|
|
{
|
|
DvbBaseBinProgram *program;
|
|
|
|
program = (DvbBaseBinProgram *) data;
|
|
|
|
if (program->pmt) {
|
|
program->pmt = NULL;
|
|
gst_mpegts_section_unref (program->section);
|
|
}
|
|
|
|
g_free (program);
|
|
}
|
|
|
|
static void
|
|
dvb_base_bin_task (DvbBaseBin * basebin)
|
|
{
|
|
gint pollres;
|
|
|
|
GST_DEBUG_OBJECT (basebin, "In task");
|
|
|
|
/* If we haven't tried to open the cam, try now */
|
|
if (G_UNLIKELY (basebin->trycam))
|
|
dvb_base_bin_init_cam (basebin);
|
|
|
|
/* poll with timeout */
|
|
pollres = gst_poll_wait (basebin->poll, GST_SECOND / 4);
|
|
|
|
if (G_UNLIKELY (pollres == -1)) {
|
|
gst_task_stop (basebin->task);
|
|
return;
|
|
}
|
|
if (basebin->hwcam) {
|
|
cam_device_poll (basebin->hwcam);
|
|
|
|
if (basebin->pmtlist_changed) {
|
|
if (cam_device_ready (basebin->hwcam)) {
|
|
GST_DEBUG_OBJECT (basebin, "pmt list changed");
|
|
dvb_base_bin_reset_pmtlist (basebin);
|
|
} else {
|
|
GST_DEBUG_OBJECT (basebin, "pmt list changed but CAM not ready");
|
|
}
|
|
}
|
|
}
|
|
}
|