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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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1845 lines
57 KiB
C
1845 lines
57 KiB
C
/* GStreamer DVB source
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* Copyright (C) 2006 Zaheer Abbas Merali <zaheerabbas at merali
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* dot org>
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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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/**
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* SECTION:element-dvbsrc
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*
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* dvbsrc can be used to capture video from DVB cards, DVB-T, DVB-S or DVB-T.
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*
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* <refsect2>
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* <title>Example launch line</title>
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* |[
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* gst-launch dvbsrc modulation="QAM 64" trans-mode=8k bandwidth=8 frequency=514000000 code-rate-lp=AUTO code-rate-hp=2/3 guard=4 hierarchy=0 ! mpegtsdemux name=demux ! queue max-size-buffers=0 max-size-time=0 ! mpeg2dec ! xvimagesink demux. ! queue max-size-buffers=0 max-size-time=0 ! mad ! alsasink
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* ]| Captures a full transport stream from dvb card 0 that is a DVB-T card at tuned frequency 514000000 with other parameters as seen in the pipeline and renders the first tv program on the transport stream.
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* |[
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* gst-launch dvbsrc modulation="QAM 64" trans-mode=8k bandwidth=8 frequency=514000000 code-rate-lp=AUTO code-rate-hp=2/3 guard=4 hierarchy=0 pids=100:256:257 ! mpegtsdemux name=demux ! queue max-size-buffers=0 max-size-time=0 ! mpeg2dec ! xvimagesink demux. ! queue max-size-buffers=0 max-size-time=0 ! mad ! alsasink
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* ]| Captures and renders a transport stream from dvb card 0 that is a DVB-T card for a program at tuned frequency 514000000 with PMT pid 100 and elementary stream pids of 256, 257 with other parameters as seen in the pipeline.
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* |[
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* gst-launch dvbsrc polarity="h" frequency=11302000 symbol-rate=27500 diseqc-src=0 pids=50:102:103 ! mpegtsdemux name=demux ! queue max-size-buffers=0 max-size-time=0 ! mpeg2dec ! xvimagesink demux. ! queue max-size-buffers=0 max-size-time=0 ! mad ! alsasink
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* ]| Captures and renders a transport stream from dvb card 0 that is a DVB-S card for a program at tuned frequency 11302000 Hz, symbol rate of 27500 kHz with PMT pid of 50 and elementary stream pids of 102 and 103.
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* </refsect2>
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*/
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/*
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* History of DVB_API_VERSION 5 minor changes
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*
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* API Addition/changes in reverse order (most recent addition first)
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*
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* Minor 10 (statistics properties)
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* DTV_STAT_*
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* FE_SCALE_*
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*
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* Minor 9
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* DTV_LNA
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* LNA_AUTO
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*
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* Minor 8
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* FE_CAN_MULTISTREAM
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* DTV_ISDBS_TS_ID_LEGACY (was DVB_ISDBS_TS_ID)
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* DTV_DVBT2_PLP_ID_LEGACY (was DVB_DVBT2_PLP_ID)
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* NO_STREAM_ID_FILTER
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* INTERLEAVING_AUTO
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*
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* Minor 7 (DTMB Support)
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* FEC_2_5
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* QAM_4_NR
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* TRANSMISSION_MODE_C1 / _C3780
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* GUARD_INTERVAL_PN420 / _PN595 / _PN945
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* INTERLEAVING_NONE / _240 / _720
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* DTV_INTERLEAVING
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* SYS_DTMB (Renamed from SYS_DMBTH but has safety #define)
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*
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* Minor 6 (ATSC-MH)
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* DTV_ATSCMH_* (for those not defined in later versions)
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*
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* Somewhere in between 5 and 6:
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* SYS_DVBC_ANNEX_A / _C (Safety #define for _AC => A)
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*
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* Minor 5 (Note : minimum version we support according to configure.ac)
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* DTV_ENUM_DELSYS
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*
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* Minor 4
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* SYS_TURBO
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*
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* Minor 3 (DVB-T2)
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* TRANSMISSION_MODE_1K / _16K / _32K
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* BANDWIDTH_5_MHZ / _10_MHZ / _1_712_MHZ
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* GUARD_INTERVAL_1_128 / _19_128 / _19_256
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* DTV_DVBT2_PLP_ID (/!\ renamed in minor 8 !)
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* SYS_DVBT2
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*
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* Minor 2
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* FE_CAN_TURBO_FEC
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* DTV_ISDBS_TS_ID (/!\ renamed in minor 8 !)
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*
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* Minor 1 (ISDB-T and ISDB-Tsb)
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* TRANSMISSION_MODE_4K
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* DTV_ISDBT_* (for those not defined in later version)
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*
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* Minor 0 : initial version
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*/
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/* We know we have at least DVB_API_VERSION >= 5 */
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#define HAVE_V5_MINOR(minor) ((DVB_API_VERSION > 5) || \
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(DVB_API_VERSION_MINOR >= (minor)))
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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 "gstdvbsrc.h"
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#include <gst/gst.h>
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#include <gst/glib-compat-private.h>
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#include <sys/ioctl.h>
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#include <sys/poll.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "_stdint.h"
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#include <unistd.h>
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#include <linux/dvb/version.h>
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#include <linux/dvb/frontend.h>
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#include <linux/dvb/dmx.h>
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#include <gst/gst-i18n-plugin.h>
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/* Before 5.6 we map A to AC */
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#if !HAVE_V5_MINOR(6)
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#define SYS_DVBC_ANNEX_A SYS_DVBC_ANNEX_AC
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#endif
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/* NO_STREAM_ID_FILTER introduced in minor 8 */
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#ifndef NO_STREAM_ID_FILTER
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#define NO_STREAM_ID_FILTER (~0U)
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#endif
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/* DTV_STREAM_ID introduced in minor 8 (redefine) */
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#ifndef DTV_STREAM_ID
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#define DTV_STREAM_ID DTV_ISDBS_TS_ID
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#endif
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GST_DEBUG_CATEGORY_STATIC (gstdvbsrc_debug);
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#define GST_CAT_DEFAULT (gstdvbsrc_debug)
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#define SLOF (11700*1000UL)
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#define LOF1 (9750*1000UL)
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#define LOF2 (10600*1000UL)
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#define NUM_DTV_PROPS 16
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/* Arguments */
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enum
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{
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ARG_0,
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ARG_DVBSRC_ADAPTER,
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ARG_DVBSRC_FRONTEND,
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ARG_DVBSRC_DISEQC_SRC,
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ARG_DVBSRC_FREQUENCY,
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ARG_DVBSRC_POLARITY,
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ARG_DVBSRC_PIDS,
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ARG_DVBSRC_SYM_RATE,
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ARG_DVBSRC_BANDWIDTH,
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ARG_DVBSRC_CODE_RATE_HP,
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ARG_DVBSRC_CODE_RATE_LP,
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ARG_DVBSRC_GUARD,
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ARG_DVBSRC_MODULATION,
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ARG_DVBSRC_TRANSMISSION_MODE,
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ARG_DVBSRC_HIERARCHY_INF,
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ARG_DVBSRC_TUNE,
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ARG_DVBSRC_INVERSION,
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ARG_DVBSRC_STATS_REPORTING_INTERVAL,
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ARG_DVBSRC_TIMEOUT,
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ARG_DVBSRC_DVB_BUFFER_SIZE,
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ARG_DVBSRC_DELSYS,
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ARG_DVBSRC_PILOT,
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ARG_DVBSRC_ROLLOFF,
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ARG_DVBSRC_STREAM_ID,
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ARG_DVBSRC_BANDWIDTH_HZ
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};
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#define DEFAULT_ADAPTER 0
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#define DEFAULT_FRONTEND 0
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#define DEFAULT_DISEQC_SRC -1 /* disabled */
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#define DEFAULT_FREQUENCY 0
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#define DEFAULT_POLARITY "H"
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#define DEFAULT_PIDS "8192"
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#define DEFAULT_SYMBOL_RATE 0
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#define DEFAULT_BANDWIDTH_HZ 8000000
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#define DEFAULT_BANDWIDTH BANDWIDTH_8_MHZ
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#define DEFAULT_CODE_RATE_HP FEC_AUTO
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#define DEFAULT_CODE_RATE_LP FEC_1_2
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#define DEFAULT_GUARD GUARD_INTERVAL_1_16
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#define DEFAULT_MODULATION QAM_16
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#define DEFAULT_TRANSMISSION_MODE TRANSMISSION_MODE_8K
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#define DEFAULT_HIERARCHY HIERARCHY_1
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#define DEFAULT_INVERSION INVERSION_ON
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#define DEFAULT_STATS_REPORTING_INTERVAL 100
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#define DEFAULT_TIMEOUT 1000000 /* 1 second */
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#define DEFAULT_DVB_BUFFER_SIZE (10*188*1024) /* Default is the same as the kernel default */
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#define DEFAULT_BUFFER_SIZE 8192 /* not a property */
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#define DEFAULT_DELSYS SYS_UNDEFINED
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#define DEFAULT_PILOT PILOT_AUTO
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#define DEFAULT_ROLLOFF ROLLOFF_AUTO
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#define DEFAULT_STREAM_ID NO_STREAM_ID_FILTER
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static void gst_dvbsrc_output_frontend_stats (GstDvbSrc * src);
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#define GST_TYPE_DVBSRC_CODE_RATE (gst_dvbsrc_code_rate_get_type ())
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static GType
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gst_dvbsrc_code_rate_get_type (void)
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{
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static GType dvbsrc_code_rate_type = 0;
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static GEnumValue code_rate_types[] = {
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{FEC_NONE, "NONE", "none"},
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{FEC_1_2, "1/2", "1/2"},
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{FEC_2_3, "2/3", "2/3"},
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{FEC_3_4, "3/4", "3/4"},
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{FEC_4_5, "4/5", "4/5"},
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{FEC_5_6, "5/6", "5/6"},
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{FEC_6_7, "6/7", "6/7"},
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{FEC_7_8, "7/8", "7/8"},
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{FEC_8_9, "8/9", "8/9"},
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{FEC_AUTO, "AUTO", "auto"},
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{0, NULL, NULL},
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};
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if (!dvbsrc_code_rate_type) {
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dvbsrc_code_rate_type =
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g_enum_register_static ("GstDvbSrcCode_Rate", code_rate_types);
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}
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return dvbsrc_code_rate_type;
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}
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#define GST_TYPE_DVBSRC_MODULATION (gst_dvbsrc_modulation_get_type ())
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static GType
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gst_dvbsrc_modulation_get_type (void)
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{
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static GType dvbsrc_modulation_type = 0;
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static GEnumValue modulation_types[] = {
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{QPSK, "QPSK", "qpsk"},
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{QAM_16, "QAM 16", "qam-16"},
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{QAM_32, "QAM 32", "qam-32"},
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{QAM_64, "QAM 64", "qam-64"},
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{QAM_128, "QAM 128", "qam-128"},
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{QAM_256, "QAM 256", "qam-256"},
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{QAM_AUTO, "AUTO", "auto"},
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{VSB_8, "8VSB", "8vsb"},
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{VSB_16, "16VSB", "16vsb"},
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{PSK_8, "8PSK", "8psk"},
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{0, NULL, NULL},
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};
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if (!dvbsrc_modulation_type) {
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dvbsrc_modulation_type =
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g_enum_register_static ("GstDvbSrcModulation", modulation_types);
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}
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return dvbsrc_modulation_type;
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}
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#define GST_TYPE_DVBSRC_TRANSMISSION_MODE (gst_dvbsrc_transmission_mode_get_type ())
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static GType
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gst_dvbsrc_transmission_mode_get_type (void)
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{
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static GType dvbsrc_transmission_mode_type = 0;
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static GEnumValue transmission_mode_types[] = {
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{TRANSMISSION_MODE_2K, "2K", "2k"},
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{TRANSMISSION_MODE_8K, "8K", "8k"},
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{TRANSMISSION_MODE_AUTO, "AUTO", "auto"},
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{0, NULL, NULL},
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};
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if (!dvbsrc_transmission_mode_type) {
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dvbsrc_transmission_mode_type =
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g_enum_register_static ("GstDvbSrcTransmission_Mode",
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transmission_mode_types);
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}
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return dvbsrc_transmission_mode_type;
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}
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#define GST_TYPE_DVBSRC_BANDWIDTH (gst_dvbsrc_bandwidth_get_type ())
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static GType
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gst_dvbsrc_bandwidth_get_type (void)
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{
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static GType dvbsrc_bandwidth_type = 0;
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static GEnumValue bandwidth_types[] = {
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{BANDWIDTH_8_MHZ, "8", "8"},
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{BANDWIDTH_7_MHZ, "7", "7"},
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{BANDWIDTH_6_MHZ, "6", "6"},
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{BANDWIDTH_AUTO, "AUTO", "AUTO"},
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{0, NULL, NULL},
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};
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if (!dvbsrc_bandwidth_type) {
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dvbsrc_bandwidth_type =
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g_enum_register_static ("GstDvbSrcBandwidth", bandwidth_types);
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}
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return dvbsrc_bandwidth_type;
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}
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#define GST_TYPE_DVBSRC_GUARD (gst_dvbsrc_guard_get_type ())
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static GType
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gst_dvbsrc_guard_get_type (void)
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{
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static GType dvbsrc_guard_type = 0;
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static GEnumValue guard_types[] = {
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{GUARD_INTERVAL_1_32, "32", "32"},
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{GUARD_INTERVAL_1_16, "16", "16"},
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{GUARD_INTERVAL_1_8, "8", "8"},
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{GUARD_INTERVAL_1_4, "4", "4"},
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{GUARD_INTERVAL_AUTO, "AUTO", "auto"},
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{0, NULL, NULL},
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};
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if (!dvbsrc_guard_type) {
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dvbsrc_guard_type = g_enum_register_static ("GstDvbSrcGuard", guard_types);
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}
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return dvbsrc_guard_type;
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}
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#define GST_TYPE_DVBSRC_HIERARCHY (gst_dvbsrc_hierarchy_get_type ())
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static GType
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gst_dvbsrc_hierarchy_get_type (void)
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{
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static GType dvbsrc_hierarchy_type = 0;
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static GEnumValue hierarchy_types[] = {
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{HIERARCHY_NONE, "NONE", "none"},
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{HIERARCHY_1, "1", "1"},
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{HIERARCHY_2, "2", "2"},
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{HIERARCHY_4, "4", "4"},
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{HIERARCHY_AUTO, "AUTO", "auto"},
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{0, NULL, NULL},
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};
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if (!dvbsrc_hierarchy_type) {
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dvbsrc_hierarchy_type =
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g_enum_register_static ("GstDvbSrcHierarchy", hierarchy_types);
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}
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return dvbsrc_hierarchy_type;
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}
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#define GST_TYPE_DVBSRC_INVERSION (gst_dvbsrc_inversion_get_type ())
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static GType
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gst_dvbsrc_inversion_get_type (void)
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{
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static GType dvbsrc_inversion_type = 0;
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static GEnumValue inversion_types[] = {
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{INVERSION_OFF, "OFF", "off"},
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{INVERSION_ON, "ON", "on"},
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{INVERSION_AUTO, "AUTO", "auto"},
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{0, NULL, NULL},
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};
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if (!dvbsrc_inversion_type) {
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dvbsrc_inversion_type =
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g_enum_register_static ("GstDvbSrcInversion", inversion_types);
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}
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return dvbsrc_inversion_type;
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}
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#define GST_TYPE_DVBSRC_DELSYS (gst_dvbsrc_delsys_get_type ())
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static GType
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gst_dvbsrc_delsys_get_type (void)
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{
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static GType dvbsrc_delsys_type = 0;
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static GEnumValue delsys_types[] = {
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{SYS_UNDEFINED, "UNDEFINED", "undefined"},
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{SYS_DVBC_ANNEX_A, "DVB-C-A", "dvb-c-a"},
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{SYS_DVBC_ANNEX_B, "DVB-C-B", "dvb-c-b"},
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{SYS_DVBT, "DVB-T", "dvb-t"},
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{SYS_DSS, "DSS", "dss"},
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{SYS_DVBS, "DVB-S", "dvb-s"},
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{SYS_DVBS2, "DVB-S2", "dvb-s2"},
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{SYS_DVBH, "DVB-H", "dvb-h"},
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{SYS_ISDBT, "ISDB-T", "isdb-t"},
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{SYS_ISDBS, "ISDB-S", "isdb-s"},
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{SYS_ISDBC, "ISDB-C", "isdb-c"},
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{SYS_ATSC, "ATSC", "atsc"},
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{SYS_ATSCMH, "ATSC-MH", "atsc-mh"},
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#if HAVE_V5_MINOR(7)
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{SYS_DTMB, "DTMB", "dtmb"},
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#endif
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{SYS_CMMB, "CMMB", "cmmb"},
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{SYS_DAB, "DAB", "dab"},
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{SYS_DVBT2, "DVB-T2", "dvb-t2"},
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{SYS_TURBO, "TURBO", "turbo"},
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#if HAVE_V5_MINOR(6)
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{SYS_DVBC_ANNEX_C, "DVB-C-C", "dvb-c-c"},
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#endif
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{0, NULL, NULL},
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};
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if (!dvbsrc_delsys_type) {
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dvbsrc_delsys_type =
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g_enum_register_static ("GstDvbSrcDelsys", delsys_types);
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}
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return dvbsrc_delsys_type;
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}
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#define GST_TYPE_DVBSRC_PILOT (gst_dvbsrc_pilot_get_type ())
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static GType
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gst_dvbsrc_pilot_get_type (void)
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{
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static GType dvbsrc_pilot_type = 0;
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static GEnumValue pilot_types[] = {
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{PILOT_ON, "ON", "on"},
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{PILOT_OFF, "OFF", "off"},
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{PILOT_AUTO, "AUTO", "auto"},
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{0, NULL, NULL},
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};
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if (!dvbsrc_pilot_type) {
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dvbsrc_pilot_type = g_enum_register_static ("GstDvbSrcPilot", pilot_types);
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}
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return dvbsrc_pilot_type;
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}
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#define GST_TYPE_DVBSRC_ROLLOFF (gst_dvbsrc_rolloff_get_type ())
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static GType
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gst_dvbsrc_rolloff_get_type (void)
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{
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static GType dvbsrc_rolloff_type = 0;
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static GEnumValue rolloff_types[] = {
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{ROLLOFF_35, "35", "35"},
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{ROLLOFF_20, "20", "20"},
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{ROLLOFF_25, "25", "25"},
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{ROLLOFF_AUTO, "auto", "auto"},
|
|
{0, NULL, NULL},
|
|
};
|
|
|
|
if (!dvbsrc_rolloff_type) {
|
|
dvbsrc_rolloff_type =
|
|
g_enum_register_static ("GstDvbSrcRolloff", rolloff_types);
|
|
}
|
|
return dvbsrc_rolloff_type;
|
|
}
|
|
|
|
static void gst_dvbsrc_finalize (GObject * object);
|
|
static void gst_dvbsrc_set_property (GObject * object, guint prop_id,
|
|
const GValue * value, GParamSpec * pspec);
|
|
static void gst_dvbsrc_get_property (GObject * object, guint prop_id,
|
|
GValue * value, GParamSpec * pspec);
|
|
|
|
static GstFlowReturn gst_dvbsrc_create (GstPushSrc * element,
|
|
GstBuffer ** buffer);
|
|
|
|
static gboolean gst_dvbsrc_start (GstBaseSrc * bsrc);
|
|
static gboolean gst_dvbsrc_stop (GstBaseSrc * bsrc);
|
|
static GstStateChangeReturn gst_dvbsrc_change_state (GstElement * element,
|
|
GstStateChange transition);
|
|
|
|
static gboolean gst_dvbsrc_unlock (GstBaseSrc * bsrc);
|
|
static gboolean gst_dvbsrc_unlock_stop (GstBaseSrc * bsrc);
|
|
static gboolean gst_dvbsrc_is_seekable (GstBaseSrc * bsrc);
|
|
static gboolean gst_dvbsrc_get_size (GstBaseSrc * src, guint64 * size);
|
|
|
|
static gboolean gst_dvbsrc_tune (GstDvbSrc * object);
|
|
static void gst_dvbsrc_set_pes_filters (GstDvbSrc * object);
|
|
static void gst_dvbsrc_unset_pes_filters (GstDvbSrc * object);
|
|
|
|
static gboolean gst_dvbsrc_frontend_status (GstDvbSrc * object);
|
|
|
|
static GstStaticPadTemplate ts_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
|
|
GST_PAD_SRC,
|
|
GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS
|
|
("video/mpegts, "
|
|
"mpegversion = (int) 2," "systemstream = (boolean) TRUE"));
|
|
|
|
/*
|
|
******************************
|
|
* *
|
|
* GObject Related *
|
|
* *
|
|
* *
|
|
******************************
|
|
*/
|
|
|
|
#define gst_dvbsrc_parent_class parent_class
|
|
G_DEFINE_TYPE (GstDvbSrc, gst_dvbsrc, GST_TYPE_PUSH_SRC);
|
|
|
|
/* initialize the plugin's class */
|
|
static void
|
|
gst_dvbsrc_class_init (GstDvbSrcClass * klass)
|
|
{
|
|
GObjectClass *gobject_class;
|
|
GstElementClass *gstelement_class;
|
|
GstBaseSrcClass *gstbasesrc_class;
|
|
GstPushSrcClass *gstpushsrc_class;
|
|
|
|
gobject_class = (GObjectClass *) klass;
|
|
gstelement_class = (GstElementClass *) klass;
|
|
gstbasesrc_class = (GstBaseSrcClass *) klass;
|
|
gstpushsrc_class = (GstPushSrcClass *) klass;
|
|
|
|
gobject_class->set_property = gst_dvbsrc_set_property;
|
|
gobject_class->get_property = gst_dvbsrc_get_property;
|
|
gobject_class->finalize = gst_dvbsrc_finalize;
|
|
|
|
gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_dvbsrc_change_state);
|
|
|
|
gst_element_class_add_pad_template (gstelement_class,
|
|
gst_static_pad_template_get (&ts_src_factory));
|
|
|
|
gst_element_class_set_static_metadata (gstelement_class, "DVB Source",
|
|
"Source/Video",
|
|
"Digital Video Broadcast Source",
|
|
"P2P-VCR, C-Lab, University of Paderborn,"
|
|
"Zaheer Abbas Merali <zaheerabbas at merali dot org>");
|
|
|
|
gstbasesrc_class->start = GST_DEBUG_FUNCPTR (gst_dvbsrc_start);
|
|
gstbasesrc_class->stop = GST_DEBUG_FUNCPTR (gst_dvbsrc_stop);
|
|
gstbasesrc_class->unlock = GST_DEBUG_FUNCPTR (gst_dvbsrc_unlock);
|
|
gstbasesrc_class->unlock_stop = GST_DEBUG_FUNCPTR (gst_dvbsrc_unlock_stop);
|
|
gstbasesrc_class->is_seekable = GST_DEBUG_FUNCPTR (gst_dvbsrc_is_seekable);
|
|
gstbasesrc_class->get_size = GST_DEBUG_FUNCPTR (gst_dvbsrc_get_size);
|
|
|
|
gstpushsrc_class->create = GST_DEBUG_FUNCPTR (gst_dvbsrc_create);
|
|
|
|
g_object_class_install_property (gobject_class, ARG_DVBSRC_ADAPTER,
|
|
g_param_spec_int ("adapter", "The adapter device number",
|
|
"The adapter device number (eg. 0 for adapter0)",
|
|
0, 16, DEFAULT_ADAPTER, G_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (gobject_class, ARG_DVBSRC_FRONTEND,
|
|
g_param_spec_int ("frontend", "The frontend device number",
|
|
"The frontend device number (eg. 0 for frontend0)",
|
|
0, 16, DEFAULT_FRONTEND, G_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (gobject_class, ARG_DVBSRC_FREQUENCY,
|
|
g_param_spec_uint ("frequency", "frequency", "Frequency",
|
|
0, G_MAXUINT, DEFAULT_FREQUENCY, G_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (gobject_class, ARG_DVBSRC_POLARITY,
|
|
g_param_spec_string ("polarity", "polarity",
|
|
"Polarity [vhHV] (DVB-S, DVB-S2)", DEFAULT_POLARITY,
|
|
G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
|
|
|
|
g_object_class_install_property (gobject_class, ARG_DVBSRC_PIDS,
|
|
g_param_spec_string ("pids", "pids",
|
|
"Colon seperated list of pids (eg. 110:120)",
|
|
DEFAULT_PIDS, G_PARAM_WRITABLE));
|
|
|
|
g_object_class_install_property (gobject_class, ARG_DVBSRC_SYM_RATE,
|
|
g_param_spec_uint ("symbol-rate",
|
|
"symbol rate",
|
|
"Symbol Rate (DVB-S, DVB-S2, DVB-C)",
|
|
0, G_MAXUINT, DEFAULT_SYMBOL_RATE, G_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (gobject_class, ARG_DVBSRC_TUNE,
|
|
g_param_spec_pointer ("tune",
|
|
"tune", "Atomically tune to channel. (For Apps)", G_PARAM_WRITABLE));
|
|
|
|
g_object_class_install_property (gobject_class, ARG_DVBSRC_DISEQC_SRC,
|
|
g_param_spec_int ("diseqc-source",
|
|
"diseqc source",
|
|
"DISEqC selected source (-1 disabled) (DVB-S, DVB-S2)",
|
|
-1, 7, DEFAULT_DISEQC_SRC, G_PARAM_READWRITE));
|
|
|
|
/* DVB-T, additional properties */
|
|
|
|
g_object_class_install_property (gobject_class, ARG_DVBSRC_BANDWIDTH_HZ,
|
|
g_param_spec_uint ("bandwidth-hz", "bandwidth-hz",
|
|
"Bandwidth in Hz (DVB-T)",
|
|
0, G_MAXUINT, DEFAULT_BANDWIDTH_HZ, G_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (gobject_class, ARG_DVBSRC_BANDWIDTH,
|
|
g_param_spec_enum ("bandwidth", "bandwidth",
|
|
"Bandwidth (DVB-T) deprecated",
|
|
GST_TYPE_DVBSRC_BANDWIDTH, DEFAULT_BANDWIDTH, G_PARAM_READWRITE));
|
|
|
|
/* FIXME: DVB-C, DVB-S, DVB-S2 named it as innerFEC */
|
|
g_object_class_install_property (gobject_class, ARG_DVBSRC_CODE_RATE_HP,
|
|
g_param_spec_enum ("code-rate-hp",
|
|
"code-rate-hp",
|
|
"High Priority Code Rate (DVB-T, DVB-S, DVB-S2 and DVB-C)",
|
|
GST_TYPE_DVBSRC_CODE_RATE, DEFAULT_CODE_RATE_HP, G_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (gobject_class, ARG_DVBSRC_CODE_RATE_LP,
|
|
g_param_spec_enum ("code-rate-lp",
|
|
"code-rate-lp",
|
|
"Low Priority Code Rate (DVB-T)",
|
|
GST_TYPE_DVBSRC_CODE_RATE, DEFAULT_CODE_RATE_LP, G_PARAM_READWRITE));
|
|
|
|
/* FIXME: should the property be called 'guard-interval' then? */
|
|
g_object_class_install_property (gobject_class, ARG_DVBSRC_GUARD,
|
|
g_param_spec_enum ("guard",
|
|
"guard",
|
|
"Guard Interval (DVB-T)",
|
|
GST_TYPE_DVBSRC_GUARD, DEFAULT_GUARD, G_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (gobject_class, ARG_DVBSRC_MODULATION,
|
|
g_param_spec_enum ("modulation", "modulation",
|
|
"Modulation (DVB-T and DVB-C)",
|
|
GST_TYPE_DVBSRC_MODULATION, DEFAULT_MODULATION, G_PARAM_READWRITE));
|
|
|
|
/* FIXME: property should be named 'transmission-mode' */
|
|
g_object_class_install_property (gobject_class,
|
|
ARG_DVBSRC_TRANSMISSION_MODE,
|
|
g_param_spec_enum ("trans-mode", "trans-mode",
|
|
"Transmission Mode (DVB-T)", GST_TYPE_DVBSRC_TRANSMISSION_MODE,
|
|
DEFAULT_TRANSMISSION_MODE, G_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (gobject_class, ARG_DVBSRC_HIERARCHY_INF,
|
|
g_param_spec_enum ("hierarchy", "hierarchy",
|
|
"Hierarchy Information (DVB-T)",
|
|
GST_TYPE_DVBSRC_HIERARCHY, DEFAULT_HIERARCHY, G_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (gobject_class, ARG_DVBSRC_INVERSION,
|
|
g_param_spec_enum ("inversion", "inversion",
|
|
"Inversion Information (DVB-T and DVB-C)",
|
|
GST_TYPE_DVBSRC_INVERSION, DEFAULT_INVERSION, G_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (gobject_class,
|
|
ARG_DVBSRC_STATS_REPORTING_INTERVAL,
|
|
g_param_spec_uint ("stats-reporting-interval",
|
|
"stats-reporting-interval",
|
|
"The number of reads before reporting frontend stats",
|
|
0, G_MAXUINT, DEFAULT_STATS_REPORTING_INTERVAL, G_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (gobject_class, ARG_DVBSRC_TIMEOUT,
|
|
g_param_spec_uint64 ("timeout", "Timeout",
|
|
"Post a message after timeout microseconds (0 = disabled)", 0,
|
|
G_MAXUINT64, DEFAULT_TIMEOUT, G_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (gobject_class,
|
|
ARG_DVBSRC_DVB_BUFFER_SIZE,
|
|
g_param_spec_uint ("dvb-buffer-size",
|
|
"dvb-buffer-size",
|
|
"The kernel buffer size used by the DVB api",
|
|
0, G_MAXUINT, DEFAULT_DVB_BUFFER_SIZE, G_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (gobject_class, ARG_DVBSRC_DELSYS,
|
|
g_param_spec_enum ("delsys", "delsys", "Delivery System",
|
|
GST_TYPE_DVBSRC_DELSYS, DEFAULT_DELSYS, G_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (gobject_class, ARG_DVBSRC_PILOT,
|
|
g_param_spec_enum ("pilot", "pilot", "Pilot (DVB-S2)",
|
|
GST_TYPE_DVBSRC_PILOT, DEFAULT_PILOT, G_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (gobject_class, ARG_DVBSRC_ROLLOFF,
|
|
g_param_spec_enum ("rolloff", "rolloff", "Rolloff (DVB-S2)",
|
|
GST_TYPE_DVBSRC_ROLLOFF, DEFAULT_ROLLOFF, G_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (gobject_class, ARG_DVBSRC_STREAM_ID,
|
|
g_param_spec_int ("stream-id", "stream-id",
|
|
"Stream ID (-1 disabled, DVB-T2 and DVB-S2 max 255, ISDB max 65535)",
|
|
-1, 65535, DEFAULT_STREAM_ID, G_PARAM_READWRITE));
|
|
}
|
|
|
|
/* initialize the new element
|
|
* instantiate pads and add them to element
|
|
* set functions
|
|
* initialize structure
|
|
*/
|
|
static void
|
|
gst_dvbsrc_init (GstDvbSrc * object)
|
|
{
|
|
int i = 0;
|
|
|
|
GST_INFO_OBJECT (object, "gst_dvbsrc_init");
|
|
|
|
/* We are a live source */
|
|
gst_base_src_set_live (GST_BASE_SRC (object), TRUE);
|
|
/* And we wanted timestamped output */
|
|
gst_base_src_set_do_timestamp (GST_BASE_SRC (object), TRUE);
|
|
gst_base_src_set_format (GST_BASE_SRC (object), GST_FORMAT_TIME);
|
|
|
|
object->fd_frontend = -1;
|
|
object->fd_dvr = -1;
|
|
|
|
for (i = 0; i < MAX_FILTERS; i++) {
|
|
object->pids[i] = G_MAXUINT16;
|
|
object->fd_filters[i] = -1;
|
|
}
|
|
/* Pid 8192 on DVB gets the whole transport stream */
|
|
object->pids[0] = 8192;
|
|
object->dvb_buffer_size = DEFAULT_DVB_BUFFER_SIZE;
|
|
object->adapter_number = DEFAULT_ADAPTER;
|
|
object->frontend_number = DEFAULT_FRONTEND;
|
|
object->diseqc_src = DEFAULT_DISEQC_SRC;
|
|
object->send_diseqc = (DEFAULT_DISEQC_SRC != -1);
|
|
object->tone = SEC_TONE_OFF;
|
|
/* object->pol = DVB_POL_H; *//* set via G_PARAM_CONSTRUCT */
|
|
object->sym_rate = DEFAULT_SYMBOL_RATE;
|
|
object->bandwidth = DEFAULT_BANDWIDTH;
|
|
object->code_rate_hp = DEFAULT_CODE_RATE_HP;
|
|
object->code_rate_lp = DEFAULT_CODE_RATE_LP;
|
|
object->guard_interval = DEFAULT_GUARD;
|
|
object->modulation = DEFAULT_MODULATION;
|
|
object->transmission_mode = DEFAULT_TRANSMISSION_MODE;
|
|
object->hierarchy_information = DEFAULT_HIERARCHY;
|
|
object->inversion = DEFAULT_INVERSION;
|
|
object->stats_interval = DEFAULT_STATS_REPORTING_INTERVAL;
|
|
object->delsys = DEFAULT_DELSYS;
|
|
object->pilot = DEFAULT_PILOT;
|
|
object->rolloff = DEFAULT_ROLLOFF;
|
|
object->stream_id = DEFAULT_STREAM_ID;
|
|
|
|
g_mutex_init (&object->tune_mutex);
|
|
object->timeout = DEFAULT_TIMEOUT;
|
|
}
|
|
|
|
static void
|
|
gst_dvbsrc_set_pids (GstDvbSrc * dvbsrc, const gchar * pid_string)
|
|
{
|
|
if (!strcmp (pid_string, "8192")) {
|
|
/* get the whole ts */
|
|
int pid_count = 1;
|
|
dvbsrc->pids[0] = 8192;
|
|
while (pid_count < MAX_FILTERS) {
|
|
dvbsrc->pids[pid_count++] = G_MAXUINT16;
|
|
}
|
|
} else {
|
|
int pid = 0;
|
|
int pid_count;
|
|
gchar **pids;
|
|
char **tmp;
|
|
|
|
tmp = pids = g_strsplit (pid_string, ":", MAX_FILTERS);
|
|
|
|
/* always add the PAT and CAT pids */
|
|
dvbsrc->pids[0] = 0;
|
|
dvbsrc->pids[1] = 1;
|
|
|
|
pid_count = 2;
|
|
while (*pids != NULL && pid_count < MAX_FILTERS) {
|
|
pid = strtol (*pids, NULL, 0);
|
|
if (pid > 1 && pid <= 8192) {
|
|
GST_INFO_OBJECT (dvbsrc, "\tParsed Pid: %d", pid);
|
|
dvbsrc->pids[pid_count] = pid;
|
|
pid_count++;
|
|
}
|
|
pids++;
|
|
}
|
|
while (pid_count < MAX_FILTERS) {
|
|
dvbsrc->pids[pid_count++] = G_MAXUINT16;
|
|
}
|
|
|
|
g_strfreev (tmp);
|
|
}
|
|
/* if we are in playing or paused, then set filters now */
|
|
GST_INFO_OBJECT (dvbsrc, "checking if playing for setting pes filters");
|
|
if (GST_ELEMENT (dvbsrc)->current_state == GST_STATE_PLAYING ||
|
|
GST_ELEMENT (dvbsrc)->current_state == GST_STATE_PAUSED) {
|
|
GST_INFO_OBJECT (dvbsrc, "Setting pes filters now");
|
|
gst_dvbsrc_set_pes_filters (dvbsrc);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_dvbsrc_set_property (GObject * _object, guint prop_id,
|
|
const GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstDvbSrc *object;
|
|
|
|
g_return_if_fail (GST_IS_DVBSRC (_object));
|
|
object = GST_DVBSRC (_object);
|
|
|
|
switch (prop_id) {
|
|
case ARG_DVBSRC_ADAPTER:
|
|
object->adapter_number = g_value_get_int (value);
|
|
break;
|
|
case ARG_DVBSRC_FRONTEND:
|
|
object->frontend_number = g_value_get_int (value);
|
|
break;
|
|
case ARG_DVBSRC_DISEQC_SRC:
|
|
if (object->diseqc_src != g_value_get_int (value)) {
|
|
object->diseqc_src = g_value_get_int (value);
|
|
object->send_diseqc = TRUE;
|
|
}
|
|
GST_INFO_OBJECT (object, "Set Property: ARG_DVBSRC_DISEQC_ID");
|
|
break;
|
|
case ARG_DVBSRC_FREQUENCY:
|
|
object->freq = g_value_get_uint (value);
|
|
GST_INFO_OBJECT (object, "Set Property: ARG_DVBSRC_FREQUENCY (%d Hz)",
|
|
object->freq);
|
|
break;
|
|
case ARG_DVBSRC_POLARITY:
|
|
{
|
|
const char *s = NULL;
|
|
|
|
s = g_value_get_string (value);
|
|
if (s != NULL) {
|
|
object->pol = (s[0] == 'h' || s[0] == 'H') ? DVB_POL_H : DVB_POL_V;
|
|
GST_INFO_OBJECT (object, "Set Property: ARG_DVBSRC_POLARITY");
|
|
GST_INFO_OBJECT (object, "\t%s", (s[0] == 'h'
|
|
|| s[0] == 'H') ? "DVB_POL_H" : "DVB_POL_V");
|
|
}
|
|
break;
|
|
}
|
|
case ARG_DVBSRC_PIDS:
|
|
{
|
|
const gchar *pid_string;
|
|
|
|
pid_string = g_value_get_string (value);
|
|
GST_INFO_OBJECT (object, "Set Property: ARG_DVBSRC_PIDS %s", pid_string);
|
|
if (pid_string)
|
|
gst_dvbsrc_set_pids (object, pid_string);
|
|
break;
|
|
}
|
|
case ARG_DVBSRC_SYM_RATE:
|
|
object->sym_rate = g_value_get_uint (value);
|
|
GST_INFO_OBJECT (object, "Set Property: ARG_DVBSRC_SYM_RATE to value %d",
|
|
object->sym_rate);
|
|
break;
|
|
|
|
case ARG_DVBSRC_BANDWIDTH_HZ:
|
|
object->bandwidth = g_value_get_uint (value);
|
|
break;
|
|
case ARG_DVBSRC_BANDWIDTH:
|
|
switch (g_value_get_enum (value)) {
|
|
case BANDWIDTH_8_MHZ:
|
|
object->bandwidth = 8000000;
|
|
break;
|
|
case BANDWIDTH_7_MHZ:
|
|
object->bandwidth = 7000000;
|
|
break;
|
|
case BANDWIDTH_6_MHZ:
|
|
object->bandwidth = 6000000;
|
|
break;
|
|
default:
|
|
/* we don't know which bandwidth are set */
|
|
object->bandwidth = 0;
|
|
break;
|
|
}
|
|
break;
|
|
case ARG_DVBSRC_CODE_RATE_HP:
|
|
object->code_rate_hp = g_value_get_enum (value);
|
|
break;
|
|
case ARG_DVBSRC_CODE_RATE_LP:
|
|
object->code_rate_lp = g_value_get_enum (value);
|
|
break;
|
|
case ARG_DVBSRC_GUARD:
|
|
object->guard_interval = g_value_get_enum (value);
|
|
break;
|
|
case ARG_DVBSRC_MODULATION:
|
|
object->modulation = g_value_get_enum (value);
|
|
break;
|
|
case ARG_DVBSRC_TRANSMISSION_MODE:
|
|
object->transmission_mode = g_value_get_enum (value);
|
|
break;
|
|
case ARG_DVBSRC_HIERARCHY_INF:
|
|
object->hierarchy_information = g_value_get_enum (value);
|
|
break;
|
|
case ARG_DVBSRC_INVERSION:
|
|
object->inversion = g_value_get_enum (value);
|
|
break;
|
|
case ARG_DVBSRC_TUNE:{
|
|
GST_INFO_OBJECT (object, "Set Property: ARG_DVBSRC_TUNE");
|
|
|
|
/* if we are in paused/playing state tune now, otherwise in ready to paused state change */
|
|
if (GST_STATE (object) > GST_STATE_READY) {
|
|
g_mutex_lock (&object->tune_mutex);
|
|
gst_dvbsrc_tune (object);
|
|
g_mutex_unlock (&object->tune_mutex);
|
|
}
|
|
break;
|
|
}
|
|
case ARG_DVBSRC_STATS_REPORTING_INTERVAL:
|
|
object->stats_interval = g_value_get_uint (value);
|
|
object->stats_counter = 0;
|
|
break;
|
|
case ARG_DVBSRC_TIMEOUT:
|
|
object->timeout = g_value_get_uint64 (value);
|
|
break;
|
|
case ARG_DVBSRC_DVB_BUFFER_SIZE:
|
|
object->dvb_buffer_size = g_value_get_uint (value);
|
|
break;
|
|
case ARG_DVBSRC_DELSYS:
|
|
object->delsys = g_value_get_enum (value);
|
|
break;
|
|
case ARG_DVBSRC_PILOT:
|
|
object->pilot = g_value_get_enum (value);
|
|
break;
|
|
case ARG_DVBSRC_ROLLOFF:
|
|
object->rolloff = g_value_get_enum (value);
|
|
break;
|
|
case ARG_DVBSRC_STREAM_ID:
|
|
object->stream_id = g_value_get_int (value);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_dvbsrc_get_property (GObject * _object, guint prop_id,
|
|
GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstDvbSrc *object;
|
|
|
|
g_return_if_fail (GST_IS_DVBSRC (_object));
|
|
object = GST_DVBSRC (_object);
|
|
|
|
switch (prop_id) {
|
|
case ARG_DVBSRC_ADAPTER:
|
|
g_value_set_int (value, object->adapter_number);
|
|
break;
|
|
case ARG_DVBSRC_FRONTEND:
|
|
g_value_set_int (value, object->frontend_number);
|
|
break;
|
|
case ARG_DVBSRC_FREQUENCY:
|
|
g_value_set_uint (value, object->freq);
|
|
break;
|
|
case ARG_DVBSRC_POLARITY:
|
|
if (object->pol == DVB_POL_H)
|
|
g_value_set_static_string (value, "H");
|
|
else
|
|
g_value_set_static_string (value, "V");
|
|
break;
|
|
case ARG_DVBSRC_SYM_RATE:
|
|
g_value_set_uint (value, object->sym_rate);
|
|
break;
|
|
case ARG_DVBSRC_DISEQC_SRC:
|
|
g_value_set_int (value, object->diseqc_src);
|
|
break;
|
|
case ARG_DVBSRC_BANDWIDTH_HZ:
|
|
g_value_set_uint (value, object->bandwidth);
|
|
break;
|
|
case ARG_DVBSRC_BANDWIDTH:{
|
|
int tmp;
|
|
if (object->bandwidth == 0)
|
|
tmp = BANDWIDTH_AUTO;
|
|
else if (object->bandwidth <= 6000000)
|
|
tmp = BANDWIDTH_6_MHZ;
|
|
else if (object->bandwidth <= 7000000)
|
|
tmp = BANDWIDTH_7_MHZ;
|
|
else if (object->bandwidth <= 8000000)
|
|
tmp = BANDWIDTH_8_MHZ;
|
|
else
|
|
tmp = BANDWIDTH_AUTO;
|
|
|
|
g_value_set_enum (value, tmp);
|
|
break;
|
|
}
|
|
case ARG_DVBSRC_CODE_RATE_HP:
|
|
g_value_set_enum (value, object->code_rate_hp);
|
|
break;
|
|
case ARG_DVBSRC_CODE_RATE_LP:
|
|
g_value_set_enum (value, object->code_rate_lp);
|
|
break;
|
|
case ARG_DVBSRC_GUARD:
|
|
g_value_set_enum (value, object->guard_interval);
|
|
break;
|
|
case ARG_DVBSRC_MODULATION:
|
|
g_value_set_enum (value, object->modulation);
|
|
break;
|
|
case ARG_DVBSRC_TRANSMISSION_MODE:
|
|
g_value_set_enum (value, object->transmission_mode);
|
|
break;
|
|
case ARG_DVBSRC_HIERARCHY_INF:
|
|
g_value_set_enum (value, object->hierarchy_information);
|
|
break;
|
|
case ARG_DVBSRC_INVERSION:
|
|
g_value_set_enum (value, object->inversion);
|
|
break;
|
|
case ARG_DVBSRC_STATS_REPORTING_INTERVAL:
|
|
g_value_set_uint (value, object->stats_interval);
|
|
break;
|
|
case ARG_DVBSRC_TIMEOUT:
|
|
g_value_set_uint64 (value, object->timeout);
|
|
break;
|
|
case ARG_DVBSRC_DVB_BUFFER_SIZE:
|
|
g_value_set_uint (value, object->dvb_buffer_size);
|
|
break;
|
|
case ARG_DVBSRC_DELSYS:
|
|
g_value_set_enum (value, object->delsys);
|
|
break;
|
|
case ARG_DVBSRC_PILOT:
|
|
g_value_set_enum (value, object->pilot);
|
|
break;
|
|
case ARG_DVBSRC_ROLLOFF:
|
|
g_value_set_enum (value, object->rolloff);
|
|
break;
|
|
case ARG_DVBSRC_STREAM_ID:
|
|
g_value_set_int (value, object->stream_id);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_dvbsrc_close_devices (GstDvbSrc * object)
|
|
{
|
|
gst_dvbsrc_unset_pes_filters (object);
|
|
|
|
close (object->fd_dvr);
|
|
object->fd_dvr = -1;
|
|
close (object->fd_frontend);
|
|
object->fd_frontend = -1;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_dvbsrc_check_delsys (struct dtv_property *prop, guchar delsys)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < prop->u.buffer.len; i++) {
|
|
if (prop->u.buffer.data[i] == delsys)
|
|
return TRUE;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_dvbsrc_open_frontend (GstDvbSrc * object, gboolean writable)
|
|
{
|
|
struct dvb_frontend_info fe_info;
|
|
struct dtv_properties props;
|
|
struct dtv_property dvb_prop[1];
|
|
gchar *frontend_dev;
|
|
GstStructure *adapter_structure;
|
|
char *adapter_name = NULL;
|
|
|
|
frontend_dev = g_strdup_printf ("/dev/dvb/adapter%d/frontend%d",
|
|
object->adapter_number, object->frontend_number);
|
|
GST_INFO_OBJECT (object, "Using frontend device: %s", frontend_dev);
|
|
|
|
/* open frontend */
|
|
if ((object->fd_frontend =
|
|
open (frontend_dev, writable ? O_RDWR : O_RDONLY)) < 0) {
|
|
switch (errno) {
|
|
case ENOENT:
|
|
GST_ELEMENT_ERROR (object, RESOURCE, NOT_FOUND,
|
|
(_("Device \"%s\" does not exist."), frontend_dev), (NULL));
|
|
break;
|
|
default:
|
|
GST_ELEMENT_ERROR (object, RESOURCE, OPEN_READ_WRITE,
|
|
(_("Could not open frontend device \"%s\"."), frontend_dev),
|
|
GST_ERROR_SYSTEM);
|
|
break;
|
|
}
|
|
|
|
g_free (frontend_dev);
|
|
return FALSE;
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (object, "Device opened, querying information");
|
|
|
|
if (ioctl (object->fd_frontend, FE_GET_INFO, &fe_info) < 0) {
|
|
GST_ELEMENT_ERROR (object, RESOURCE, SETTINGS,
|
|
(_("Could not get settings from frontend device \"%s\"."),
|
|
frontend_dev), GST_ERROR_SYSTEM);
|
|
|
|
close (object->fd_frontend);
|
|
g_free (frontend_dev);
|
|
return FALSE;
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (object, "check delivery systems");
|
|
|
|
dvb_prop[0].cmd = DTV_ENUM_DELSYS;
|
|
props.num = 1;
|
|
props.props = dvb_prop;
|
|
|
|
if (ioctl (object->fd_frontend, FE_GET_PROPERTY, &props) < 0) {
|
|
GST_ELEMENT_ERROR (object, RESOURCE, SETTINGS,
|
|
(_("Cannot enumerate delivery systems from frontend device \"%s\"."),
|
|
frontend_dev), GST_ERROR_SYSTEM);
|
|
|
|
close (object->fd_frontend);
|
|
g_free (frontend_dev);
|
|
return FALSE;
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (object, "Got information about adapter : %s", fe_info.name);
|
|
|
|
adapter_name = g_strdup (fe_info.name);
|
|
|
|
adapter_structure = gst_structure_new ("dvb-adapter",
|
|
"name", G_TYPE_STRING, adapter_name,
|
|
/* Capability supported auto params */
|
|
"auto-inversion", G_TYPE_BOOLEAN, fe_info.caps & FE_CAN_INVERSION_AUTO,
|
|
"auto-qam", G_TYPE_BOOLEAN, fe_info.caps & FE_CAN_QAM_AUTO,
|
|
"auto-transmission-mode", G_TYPE_BOOLEAN,
|
|
fe_info.caps & FE_CAN_TRANSMISSION_MODE_AUTO, "auto-guard-interval",
|
|
G_TYPE_BOOLEAN, fe_info.caps & FE_CAN_GUARD_INTERVAL_AUTO,
|
|
"auto-hierarchy", G_TYPE_BOOLEAN, fe_info.caps & FE_CAN_HIERARCHY_AUTO,
|
|
"auto-fec", G_TYPE_BOOLEAN, fe_info.caps & FE_CAN_FEC_AUTO, NULL);
|
|
|
|
/* Capability delivery systems */
|
|
if (gst_dvbsrc_check_delsys (&dvb_prop[0], SYS_DVBC_ANNEX_A))
|
|
gst_structure_set (adapter_structure, "dvb-c-a", G_TYPE_STRING,
|
|
"DVB-C ANNEX A", NULL);
|
|
|
|
if (gst_dvbsrc_check_delsys (&dvb_prop[0], SYS_DVBC_ANNEX_B))
|
|
gst_structure_set (adapter_structure, "dvb-c-b", G_TYPE_STRING,
|
|
"DVB-C ANNEX C", NULL);
|
|
|
|
if (gst_dvbsrc_check_delsys (&dvb_prop[0], SYS_DVBT))
|
|
gst_structure_set (adapter_structure, "dvb-t", G_TYPE_STRING, "DVB-T",
|
|
NULL);
|
|
|
|
if (gst_dvbsrc_check_delsys (&dvb_prop[0], SYS_DSS))
|
|
gst_structure_set (adapter_structure, "dss", G_TYPE_STRING, "DSS", NULL);
|
|
|
|
if (gst_dvbsrc_check_delsys (&dvb_prop[0], SYS_DVBS))
|
|
gst_structure_set (adapter_structure, "dvb-s", G_TYPE_STRING, "DVB-S",
|
|
NULL);
|
|
|
|
if (gst_dvbsrc_check_delsys (&dvb_prop[0], SYS_DVBS2))
|
|
gst_structure_set (adapter_structure, "dvb-s2", G_TYPE_STRING, "DVB-S2",
|
|
NULL);
|
|
|
|
if (gst_dvbsrc_check_delsys (&dvb_prop[0], SYS_DVBH))
|
|
gst_structure_set (adapter_structure, "dvb-h", G_TYPE_STRING, "DVB-H",
|
|
NULL);
|
|
|
|
if (gst_dvbsrc_check_delsys (&dvb_prop[0], SYS_ISDBT))
|
|
gst_structure_set (adapter_structure, "isdb-t", G_TYPE_STRING, "ISDB-T",
|
|
NULL);
|
|
|
|
if (gst_dvbsrc_check_delsys (&dvb_prop[0], SYS_ISDBS))
|
|
gst_structure_set (adapter_structure, "isdb-s", G_TYPE_STRING, "ISDB-S",
|
|
NULL);
|
|
|
|
if (gst_dvbsrc_check_delsys (&dvb_prop[0], SYS_ISDBC))
|
|
gst_structure_set (adapter_structure, "isdb-c", G_TYPE_STRING, "ISDB-C",
|
|
NULL);
|
|
|
|
if (gst_dvbsrc_check_delsys (&dvb_prop[0], SYS_ATSC))
|
|
gst_structure_set (adapter_structure, "atsc", G_TYPE_STRING, "ATSC", NULL);
|
|
|
|
if (gst_dvbsrc_check_delsys (&dvb_prop[0], SYS_ATSCMH))
|
|
gst_structure_set (adapter_structure, "atsc-mh", G_TYPE_STRING, "ATSC-MH",
|
|
NULL);
|
|
|
|
#if HAVE_V5_MINOR(7)
|
|
if (gst_dvbsrc_check_delsys (&dvb_prop[0], SYS_DTMB))
|
|
gst_structure_set (adapter_structure, "dtmb", G_TYPE_STRING, "DTMB", NULL);
|
|
#endif
|
|
|
|
if (gst_dvbsrc_check_delsys (&dvb_prop[0], SYS_CMMB))
|
|
gst_structure_set (adapter_structure, "cmmb", G_TYPE_STRING, "CMMB", NULL);
|
|
|
|
if (gst_dvbsrc_check_delsys (&dvb_prop[0], SYS_DAB))
|
|
gst_structure_set (adapter_structure, "dab", G_TYPE_STRING, "DAB", NULL);
|
|
|
|
if (gst_dvbsrc_check_delsys (&dvb_prop[0], SYS_DVBT2))
|
|
gst_structure_set (adapter_structure, "dvb-t2", G_TYPE_STRING, "DVB-T2",
|
|
NULL);
|
|
|
|
if (gst_dvbsrc_check_delsys (&dvb_prop[0], SYS_TURBO))
|
|
gst_structure_set (adapter_structure, "turbo", G_TYPE_STRING, "TURBO",
|
|
NULL);
|
|
|
|
if (gst_dvbsrc_check_delsys (&dvb_prop[0], SYS_DVBC_ANNEX_C))
|
|
gst_structure_set (adapter_structure, "dvb-c-c", G_TYPE_STRING,
|
|
"DVB-C ANNEX C", NULL);
|
|
|
|
GST_INFO_OBJECT (object, "DVB card: %s ", adapter_name);
|
|
gst_element_post_message (GST_ELEMENT_CAST (object), gst_message_new_element
|
|
(GST_OBJECT (object), adapter_structure));
|
|
g_free (frontend_dev);
|
|
g_free (adapter_name);
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_dvbsrc_open_dvr (GstDvbSrc * object)
|
|
{
|
|
gchar *dvr_dev;
|
|
|
|
dvr_dev = g_strdup_printf ("/dev/dvb/adapter%d/dvr%d",
|
|
object->adapter_number, object->frontend_number);
|
|
GST_INFO_OBJECT (object, "Using dvr device: %s", dvr_dev);
|
|
|
|
/* open DVR */
|
|
if ((object->fd_dvr = open (dvr_dev, O_RDONLY | O_NONBLOCK)) < 0) {
|
|
switch (errno) {
|
|
case ENOENT:
|
|
GST_ELEMENT_ERROR (object, RESOURCE, NOT_FOUND,
|
|
(_("Device \"%s\" does not exist."), dvr_dev), (NULL));
|
|
break;
|
|
default:
|
|
GST_ELEMENT_ERROR (object, RESOURCE, OPEN_READ,
|
|
(_("Could not open file \"%s\" for reading."), dvr_dev),
|
|
GST_ERROR_SYSTEM);
|
|
break;
|
|
}
|
|
g_free (dvr_dev);
|
|
return FALSE;
|
|
}
|
|
g_free (dvr_dev);
|
|
|
|
GST_INFO_OBJECT (object, "Setting DVB kernel buffer size to %d ",
|
|
object->dvb_buffer_size);
|
|
if (ioctl (object->fd_dvr, DMX_SET_BUFFER_SIZE, object->dvb_buffer_size) < 0) {
|
|
GST_INFO_OBJECT (object, "ioctl DMX_SET_BUFFER_SIZE failed (%d)", errno);
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
gst_dvbsrc_finalize (GObject * _object)
|
|
{
|
|
GstDvbSrc *object;
|
|
|
|
GST_DEBUG_OBJECT (_object, "gst_dvbsrc_finalize");
|
|
|
|
g_return_if_fail (GST_IS_DVBSRC (_object));
|
|
object = GST_DVBSRC (_object);
|
|
|
|
/* freeing the mutex segfaults somehow */
|
|
g_mutex_clear (&object->tune_mutex);
|
|
|
|
if (G_OBJECT_CLASS (parent_class)->finalize)
|
|
G_OBJECT_CLASS (parent_class)->finalize (_object);
|
|
}
|
|
|
|
|
|
/*
|
|
******************************
|
|
* *
|
|
* Plugin Realization *
|
|
* *
|
|
******************************
|
|
*/
|
|
|
|
|
|
|
|
/* entry point to initialize the plug-in
|
|
* initialize the plug-in itself
|
|
* register the element factories and pad templates
|
|
* register the features
|
|
*/
|
|
gboolean
|
|
gst_dvbsrc_plugin_init (GstPlugin * plugin)
|
|
{
|
|
GST_DEBUG_CATEGORY_INIT (gstdvbsrc_debug, "dvbsrc", 0, "DVB Source Element");
|
|
|
|
return gst_element_register (plugin, "dvbsrc", GST_RANK_NONE,
|
|
GST_TYPE_DVBSRC);
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_dvbsrc_read_device (GstDvbSrc * object, int size, GstBuffer ** buffer)
|
|
{
|
|
gint count = 0;
|
|
gint ret_val = 0;
|
|
GstBuffer *buf = gst_buffer_new_and_alloc (size);
|
|
GstClockTime timeout = object->timeout * GST_USECOND;
|
|
GstMapInfo map;
|
|
|
|
g_return_val_if_fail (GST_IS_BUFFER (buf), GST_FLOW_ERROR);
|
|
|
|
if (object->fd_dvr < 0)
|
|
return GST_FLOW_ERROR;
|
|
|
|
gst_buffer_map (buf, &map, GST_MAP_WRITE);
|
|
while (count < size) {
|
|
ret_val = gst_poll_wait (object->poll, timeout);
|
|
GST_LOG_OBJECT (object, "select returned %d", ret_val);
|
|
if (G_UNLIKELY (ret_val < 0)) {
|
|
if (errno == EBUSY)
|
|
goto stopped;
|
|
else if (errno == EINTR)
|
|
continue;
|
|
else
|
|
goto select_error;
|
|
} else if (G_UNLIKELY (ret_val == 0)) {
|
|
/* timeout, post element message */
|
|
gst_element_post_message (GST_ELEMENT_CAST (object),
|
|
gst_message_new_element (GST_OBJECT (object),
|
|
gst_structure_new_empty ("dvb-read-failure")));
|
|
} else {
|
|
int nread = read (object->fd_dvr, map.data + count, size - count);
|
|
|
|
if (G_UNLIKELY (nread < 0)) {
|
|
GST_WARNING_OBJECT
|
|
(object,
|
|
"Unable to read from device: /dev/dvb/adapter%d/dvr%d (%d)",
|
|
object->adapter_number, object->frontend_number, errno);
|
|
gst_element_post_message (GST_ELEMENT_CAST (object),
|
|
gst_message_new_element (GST_OBJECT (object),
|
|
gst_structure_new_empty ("dvb-read-failure")));
|
|
} else
|
|
count = count + nread;
|
|
}
|
|
}
|
|
gst_buffer_unmap (buf, &map);
|
|
gst_buffer_resize (buf, 0, count);
|
|
|
|
*buffer = buf;
|
|
|
|
return GST_FLOW_OK;
|
|
|
|
stopped:
|
|
{
|
|
GST_DEBUG_OBJECT (object, "stop called");
|
|
gst_buffer_unmap (buf, &map);
|
|
gst_buffer_unref (buf);
|
|
return GST_FLOW_FLUSHING;
|
|
}
|
|
select_error:
|
|
{
|
|
GST_ELEMENT_ERROR (object, RESOURCE, READ, (NULL),
|
|
("select error %d: %s (%d)", ret_val, g_strerror (errno), errno));
|
|
gst_buffer_unmap (buf, &map);
|
|
gst_buffer_unref (buf);
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_dvbsrc_create (GstPushSrc * element, GstBuffer ** buf)
|
|
{
|
|
gint buffer_size;
|
|
GstFlowReturn retval = GST_FLOW_ERROR;
|
|
GstDvbSrc *object;
|
|
|
|
object = GST_DVBSRC (element);
|
|
GST_LOG ("fd_dvr: %d", object->fd_dvr);
|
|
|
|
buffer_size = DEFAULT_BUFFER_SIZE;
|
|
|
|
/* device can not be tuned during read */
|
|
g_mutex_lock (&object->tune_mutex);
|
|
|
|
|
|
if (object->fd_dvr > -1) {
|
|
/* --- Read TS from DVR device --- */
|
|
GST_DEBUG_OBJECT (object, "Reading from DVR device");
|
|
retval = gst_dvbsrc_read_device (object, buffer_size, buf);
|
|
|
|
if (object->stats_interval != 0 &&
|
|
++object->stats_counter == object->stats_interval) {
|
|
gst_dvbsrc_output_frontend_stats (object);
|
|
object->stats_counter = 0;
|
|
}
|
|
}
|
|
|
|
g_mutex_unlock (&object->tune_mutex);
|
|
|
|
return retval;
|
|
|
|
}
|
|
|
|
static GstStateChangeReturn
|
|
gst_dvbsrc_change_state (GstElement * element, GstStateChange transition)
|
|
{
|
|
GstDvbSrc *src;
|
|
GstStateChangeReturn ret;
|
|
|
|
src = GST_DVBSRC (element);
|
|
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_NULL_TO_READY:
|
|
/* open frontend then close it again, just so caps sent */
|
|
gst_dvbsrc_open_frontend (src, FALSE);
|
|
if (src->fd_frontend) {
|
|
close (src->fd_frontend);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
static gboolean
|
|
gst_dvbsrc_start (GstBaseSrc * bsrc)
|
|
{
|
|
GstDvbSrc *src = GST_DVBSRC (bsrc);
|
|
|
|
gst_dvbsrc_open_frontend (src, TRUE);
|
|
if (!gst_dvbsrc_tune (src)) {
|
|
GST_ERROR_OBJECT (src, "Not able to lock on to the dvb channel");
|
|
close (src->fd_frontend);
|
|
return FALSE;
|
|
}
|
|
if (!gst_dvbsrc_frontend_status (src)) {
|
|
/* unset filters also */
|
|
gst_dvbsrc_unset_pes_filters (src);
|
|
close (src->fd_frontend);
|
|
return FALSE;
|
|
}
|
|
if (!gst_dvbsrc_open_dvr (src)) {
|
|
GST_ERROR_OBJECT (src, "Not able to open dvr_device");
|
|
/* unset filters also */
|
|
gst_dvbsrc_unset_pes_filters (src);
|
|
close (src->fd_frontend);
|
|
return FALSE;
|
|
}
|
|
if (!(src->poll = gst_poll_new (TRUE))) {
|
|
GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ_WRITE, (NULL),
|
|
("could not create an fdset: %s (%d)", g_strerror (errno), errno));
|
|
/* unset filters also */
|
|
gst_dvbsrc_unset_pes_filters (src);
|
|
close (src->fd_frontend);
|
|
return FALSE;
|
|
} else {
|
|
gst_poll_fd_init (&src->poll_fd_dvr);
|
|
src->poll_fd_dvr.fd = src->fd_dvr;
|
|
gst_poll_add_fd (src->poll, &src->poll_fd_dvr);
|
|
gst_poll_fd_ctl_read (src->poll, &src->poll_fd_dvr, TRUE);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_dvbsrc_stop (GstBaseSrc * bsrc)
|
|
{
|
|
GstDvbSrc *src = GST_DVBSRC (bsrc);
|
|
|
|
gst_dvbsrc_close_devices (src);
|
|
if (src->poll) {
|
|
gst_poll_free (src->poll);
|
|
src->poll = NULL;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_dvbsrc_unlock (GstBaseSrc * bsrc)
|
|
{
|
|
GstDvbSrc *src = GST_DVBSRC (bsrc);
|
|
|
|
gst_poll_set_flushing (src->poll, TRUE);
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_dvbsrc_unlock_stop (GstBaseSrc * bsrc)
|
|
{
|
|
GstDvbSrc *src = GST_DVBSRC (bsrc);
|
|
|
|
gst_poll_set_flushing (src->poll, FALSE);
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_dvbsrc_is_seekable (GstBaseSrc * bsrc)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_dvbsrc_get_size (GstBaseSrc * src, guint64 * size)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gst_dvbsrc_output_frontend_stats (GstDvbSrc * src)
|
|
{
|
|
fe_status_t status;
|
|
uint16_t snr, _signal;
|
|
uint32_t ber, uncorrected_blocks;
|
|
GstMessage *message;
|
|
GstStructure *structure;
|
|
int fe_fd = src->fd_frontend;
|
|
|
|
if (ioctl (fe_fd, FE_READ_STATUS, &status) ||
|
|
ioctl (fe_fd, FE_READ_SIGNAL_STRENGTH, &_signal) ||
|
|
ioctl (fe_fd, FE_READ_SNR, &snr) ||
|
|
ioctl (fe_fd, FE_READ_BER, &ber) ||
|
|
ioctl (fe_fd, FE_READ_UNCORRECTED_BLOCKS, &uncorrected_blocks)) {
|
|
GST_WARNING_OBJECT (src, "Failed to get statistics from the device");
|
|
return;
|
|
}
|
|
|
|
structure = gst_structure_new ("dvb-frontend-stats", "status", G_TYPE_INT,
|
|
status, "signal", G_TYPE_INT, _signal, "snr", G_TYPE_INT, snr,
|
|
"ber", G_TYPE_INT, ber, "unc", G_TYPE_INT, uncorrected_blocks,
|
|
"lock", G_TYPE_BOOLEAN, status & FE_HAS_LOCK, NULL);
|
|
message = gst_message_new_element (GST_OBJECT (src), structure);
|
|
gst_element_post_message (GST_ELEMENT (src), message);
|
|
}
|
|
|
|
static gboolean
|
|
gst_dvbsrc_frontend_status (GstDvbSrc * object)
|
|
{
|
|
fe_status_t status = 0;
|
|
gint i;
|
|
|
|
GST_INFO_OBJECT (object, "gst_dvbsrc_frontend_status");
|
|
|
|
if (object->fd_frontend < 0) {
|
|
GST_ERROR_OBJECT (object,
|
|
"Trying to get frontend status from not opened device!");
|
|
return FALSE;
|
|
} else
|
|
GST_INFO_OBJECT (object, "fd-frontend: %d", object->fd_frontend);
|
|
|
|
for (i = 0; i < 15; i++) {
|
|
g_usleep (1000000);
|
|
GST_INFO_OBJECT (object, ".");
|
|
if (ioctl (object->fd_frontend, FE_READ_STATUS, &status) == -1) {
|
|
GST_ERROR_OBJECT (object, "Failed reading frontend status.");
|
|
return FALSE;
|
|
}
|
|
gst_dvbsrc_output_frontend_stats (object);
|
|
if (status & FE_HAS_LOCK) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!(status & FE_HAS_LOCK)) {
|
|
GST_INFO_OBJECT (object,
|
|
"Not able to lock to the signal on the given frequency.");
|
|
return FALSE;
|
|
} else
|
|
return TRUE;
|
|
}
|
|
|
|
struct diseqc_cmd
|
|
{
|
|
struct dvb_diseqc_master_cmd cmd;
|
|
uint32_t wait;
|
|
};
|
|
|
|
static void
|
|
diseqc_send_msg (int fd, fe_sec_voltage_t v, struct diseqc_cmd *cmd,
|
|
fe_sec_tone_mode_t t, fe_sec_mini_cmd_t b)
|
|
{
|
|
if (ioctl (fd, FE_SET_TONE, SEC_TONE_OFF) == -1) {
|
|
GST_ERROR ("Setting tone to off failed");
|
|
return;
|
|
}
|
|
|
|
if (ioctl (fd, FE_SET_VOLTAGE, v) == -1) {
|
|
GST_ERROR ("Setting voltage failed");
|
|
return;
|
|
}
|
|
|
|
g_usleep (15 * 1000);
|
|
GST_LOG ("diseqc: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x", cmd->cmd.msg[0],
|
|
cmd->cmd.msg[1], cmd->cmd.msg[2], cmd->cmd.msg[3], cmd->cmd.msg[4],
|
|
cmd->cmd.msg[5]);
|
|
if (ioctl (fd, FE_DISEQC_SEND_MASTER_CMD, &cmd->cmd) == -1) {
|
|
GST_ERROR ("Sending diseqc command failed");
|
|
return;
|
|
}
|
|
|
|
g_usleep (cmd->wait * 1000);
|
|
g_usleep (15 * 1000);
|
|
|
|
if (ioctl (fd, FE_DISEQC_SEND_BURST, b) == -1) {
|
|
GST_ERROR ("Sending burst failed");
|
|
return;
|
|
}
|
|
|
|
g_usleep (15 * 1000);
|
|
|
|
if (ioctl (fd, FE_SET_TONE, t) == -1) {
|
|
GST_ERROR ("Setting tone failed");
|
|
return;
|
|
}
|
|
}
|
|
|
|
|
|
/* digital satellite equipment control,
|
|
* specification is available from http://www.eutelsat.com/
|
|
*/
|
|
static void
|
|
diseqc (int secfd, int sat_no, int voltage, int tone)
|
|
{
|
|
struct diseqc_cmd cmd = { {{0xe0, 0x10, 0x38, 0xf0, 0x00, 0x00}, 4}, 0 };
|
|
|
|
/* param: high nibble: reset bits, low nibble set bits,
|
|
* bits are: option, position, polarizaion, band
|
|
*/
|
|
cmd.cmd.msg[3] =
|
|
0xf0 | (((sat_no * 4) & 0x0f) | (tone == SEC_TONE_ON ? 1 : 0) |
|
|
(voltage == SEC_VOLTAGE_13 ? 0 : 2));
|
|
/* send twice because some diseqc switches do not respond correctly the
|
|
* first time */
|
|
diseqc_send_msg (secfd, voltage, &cmd, tone,
|
|
sat_no % 2 ? SEC_MINI_B : SEC_MINI_A);
|
|
diseqc_send_msg (secfd, voltage, &cmd, tone,
|
|
sat_no % 2 ? SEC_MINI_B : SEC_MINI_A);
|
|
|
|
}
|
|
|
|
inline static void
|
|
set_prop (struct dtv_property *props, int *n, guint32 cmd, guint32 data)
|
|
{
|
|
if (*n == NUM_DTV_PROPS) {
|
|
g_critical ("Index out of bounds");
|
|
} else {
|
|
props[*n].cmd = cmd;
|
|
props[(*n)++].u.data = data;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_dvbsrc_tune (GstDvbSrc * object)
|
|
{
|
|
struct dtv_properties props;
|
|
struct dtv_property dvb_prop[NUM_DTV_PROPS];
|
|
fe_sec_voltage_t voltage;
|
|
fe_status_t status;
|
|
int n;
|
|
int i;
|
|
int j;
|
|
unsigned int freq = object->freq;
|
|
unsigned int sym_rate = object->sym_rate * 1000;
|
|
int inversion = object->inversion;
|
|
|
|
/* found in mail archive on linuxtv.org
|
|
* What works well for us is:
|
|
* - first establish a TS feed (i.e. tune the frontend and check for success)
|
|
* - then set filters (PES/sections)
|
|
* - then tell the MPEG decoder to start
|
|
* - before tuning: first stop the MPEG decoder, then stop all filters
|
|
*/
|
|
GST_INFO_OBJECT (object, "gst_dvbsrc_tune");
|
|
|
|
if (object->fd_frontend < 0) {
|
|
/* frontend not opened yet, tune later */
|
|
GST_INFO_OBJECT (object, "Frontend not open: tuning later");
|
|
return FALSE;
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (object, "api version %d.%d", DVB_API_VERSION,
|
|
DVB_API_VERSION_MINOR);
|
|
|
|
GST_DEBUG_OBJECT (object, "check delivery systems");
|
|
|
|
dvb_prop[0].cmd = DTV_ENUM_DELSYS;
|
|
props.num = 1;
|
|
props.props = dvb_prop;
|
|
|
|
if (ioctl (object->fd_frontend, FE_GET_PROPERTY, &props) < 0) {
|
|
GST_WARNING_OBJECT (object, "Error enumerating delsys: %s",
|
|
g_strerror (errno));
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
if (!gst_dvbsrc_check_delsys (&dvb_prop[0], object->delsys))
|
|
return FALSE;
|
|
|
|
gst_dvbsrc_unset_pes_filters (object);
|
|
for (j = 0; j < 5; j++) {
|
|
memset (dvb_prop, 0, sizeof (dvb_prop));
|
|
dvb_prop[0].cmd = DTV_CLEAR;
|
|
props.num = 1;
|
|
props.props = dvb_prop;
|
|
if (ioctl (object->fd_frontend, FE_SET_PROPERTY, &props) < 0) {
|
|
GST_WARNING_OBJECT (object, "Error resetting tuner: %s",
|
|
g_strerror (errno));
|
|
}
|
|
/* First three entries are reserved */
|
|
n = 3;
|
|
switch (object->delsys) {
|
|
case SYS_DVBS:
|
|
case SYS_DVBS2:
|
|
case SYS_TURBO:
|
|
if (freq > 2200000) {
|
|
/* this must be an absolute frequency */
|
|
if (freq < SLOF) {
|
|
freq -= LOF1;
|
|
object->tone = SEC_TONE_OFF;
|
|
} else {
|
|
freq -= LOF2;
|
|
object->tone = SEC_TONE_ON;
|
|
}
|
|
}
|
|
|
|
inversion = INVERSION_AUTO;
|
|
set_prop (dvb_prop, &n, DTV_SYMBOL_RATE, sym_rate);
|
|
set_prop (dvb_prop, &n, DTV_INNER_FEC, object->code_rate_hp);
|
|
|
|
GST_INFO_OBJECT (object,
|
|
"Tuning DVB-S/DVB-S2/Turbo to L-Band:%u, Pol:%d, srate=%u, 22kHz=%s",
|
|
freq, object->pol, sym_rate,
|
|
object->tone == SEC_TONE_ON ? "on" : "off");
|
|
|
|
if (object->pol == DVB_POL_H)
|
|
voltage = SEC_VOLTAGE_18;
|
|
else
|
|
voltage = SEC_VOLTAGE_13;
|
|
|
|
if (object->diseqc_src == -1 || object->send_diseqc == FALSE) {
|
|
set_prop (dvb_prop, &n, DTV_VOLTAGE, voltage);
|
|
|
|
/* DTV_TONE not yet implemented
|
|
* set_prop (fe_props_array, &n, DTV_TONE, object->tone) */
|
|
if (ioctl (object->fd_frontend, FE_SET_TONE, object->tone) < 0) {
|
|
GST_WARNING_OBJECT (object, "Could'nt set tone: %s",
|
|
g_strerror (errno));
|
|
}
|
|
} else {
|
|
GST_DEBUG_OBJECT (object, "Sending DISEqC");
|
|
diseqc (object->fd_frontend, object->diseqc_src, voltage,
|
|
object->tone);
|
|
/* Once diseqc source is set, do not set it again until
|
|
* app decides to change it
|
|
* object->send_diseqc = FALSE; */
|
|
}
|
|
|
|
if ((object->delsys == SYS_DVBS2) || (object->delsys == SYS_TURBO))
|
|
set_prop (dvb_prop, &n, DTV_MODULATION, object->modulation);
|
|
|
|
if (object->delsys == SYS_DVBS2) {
|
|
set_prop (dvb_prop, &n, DTV_PILOT, object->pilot);
|
|
set_prop (dvb_prop, &n, DTV_ROLLOFF, object->rolloff);
|
|
set_prop (dvb_prop, &n, DTV_STREAM_ID, object->stream_id);
|
|
}
|
|
break;
|
|
case SYS_DVBT:
|
|
case SYS_DVBT2:
|
|
set_prop (dvb_prop, &n, DTV_BANDWIDTH_HZ, object->bandwidth);
|
|
set_prop (dvb_prop, &n, DTV_CODE_RATE_HP, object->code_rate_hp);
|
|
set_prop (dvb_prop, &n, DTV_CODE_RATE_LP, object->code_rate_lp);
|
|
set_prop (dvb_prop, &n, DTV_MODULATION, object->modulation);
|
|
set_prop (dvb_prop, &n, DTV_TRANSMISSION_MODE,
|
|
object->transmission_mode);
|
|
set_prop (dvb_prop, &n, DTV_GUARD_INTERVAL, object->guard_interval);
|
|
set_prop (dvb_prop, &n, DTV_HIERARCHY, object->hierarchy_information);
|
|
if (object->delsys == SYS_DVBT2) {
|
|
set_prop (dvb_prop, &n, DTV_STREAM_ID, object->stream_id);
|
|
}
|
|
|
|
GST_INFO_OBJECT (object, "Tuning DVB-T/DVB_T2 to %d Hz", freq);
|
|
break;
|
|
case SYS_DVBC_ANNEX_A:
|
|
case SYS_DVBC_ANNEX_B:
|
|
#if HAVE_V5_MINOR(6)
|
|
case SYS_DVBC_ANNEX_C:
|
|
#endif
|
|
GST_INFO_OBJECT (object, "Tuning DVB-C/ClearCable to %d, srate=%d",
|
|
freq, sym_rate);
|
|
|
|
set_prop (dvb_prop, &n, DTV_MODULATION, object->modulation);
|
|
if (object->delsys != SYS_DVBC_ANNEX_B) {
|
|
set_prop (dvb_prop, &n, DTV_INNER_FEC, object->code_rate_hp);
|
|
set_prop (dvb_prop, &n, DTV_SYMBOL_RATE, sym_rate);
|
|
}
|
|
break;
|
|
case SYS_ATSC:
|
|
GST_INFO_OBJECT (object, "Tuning ATSC to %d", freq);
|
|
|
|
set_prop (dvb_prop, &n, DTV_MODULATION, object->modulation);
|
|
break;
|
|
default:
|
|
GST_ERROR_OBJECT (object, "Unknown frontend type %u", object->delsys);
|
|
return FALSE;
|
|
}
|
|
g_usleep (100000);
|
|
/* now tune the frontend */
|
|
set_prop (dvb_prop, &n, DTV_TUNE, 0);
|
|
props.num = n;
|
|
props.props = dvb_prop;
|
|
/* set first three entries */
|
|
n = 0;
|
|
set_prop (dvb_prop, &n, DTV_DELIVERY_SYSTEM, object->delsys);
|
|
set_prop (dvb_prop, &n, DTV_FREQUENCY, freq);
|
|
set_prop (dvb_prop, &n, DTV_INVERSION, inversion);
|
|
|
|
GST_DEBUG_OBJECT (object, "Setting %d properties", props.num);
|
|
if (ioctl (object->fd_frontend, FE_SET_PROPERTY, &props) < 0) {
|
|
GST_WARNING_OBJECT (object, "Error tuning channel: %s",
|
|
g_strerror (errno));
|
|
}
|
|
for (i = 0; i < 50; i++) {
|
|
g_usleep (100000);
|
|
if (ioctl (object->fd_frontend, FE_READ_STATUS, &status) == -1) {
|
|
perror ("FE_READ_STATUS");
|
|
break;
|
|
}
|
|
GST_LOG_OBJECT (object, "status == 0x%02x", status);
|
|
if (status & FE_HAS_LOCK)
|
|
break;
|
|
}
|
|
if (status & FE_HAS_LOCK)
|
|
break;
|
|
}
|
|
if (!(status & FE_HAS_LOCK))
|
|
return FALSE;
|
|
/* set pid filters */
|
|
gst_dvbsrc_set_pes_filters (object);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
static void
|
|
gst_dvbsrc_unset_pes_filters (GstDvbSrc * object)
|
|
{
|
|
int i = 0;
|
|
|
|
GST_INFO_OBJECT (object, "clearing PES filter");
|
|
|
|
for (i = 0; i < MAX_FILTERS; i++) {
|
|
if (object->fd_filters[i] == -1)
|
|
continue;
|
|
close (object->fd_filters[i]);
|
|
object->fd_filters[i] = -1;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_dvbsrc_set_pes_filters (GstDvbSrc * object)
|
|
{
|
|
int *fd;
|
|
int pid, i;
|
|
struct dmx_pes_filter_params pes_filter;
|
|
gchar *demux_dev = g_strdup_printf ("/dev/dvb/adapter%d/demux%d",
|
|
object->adapter_number, object->frontend_number);
|
|
|
|
GST_INFO_OBJECT (object, "Setting PES filter");
|
|
|
|
for (i = 0; i < MAX_FILTERS; i++) {
|
|
if (object->pids[i] == G_MAXUINT16)
|
|
break;
|
|
|
|
fd = &object->fd_filters[i];
|
|
pid = object->pids[i];
|
|
|
|
close (*fd);
|
|
if ((*fd = open (demux_dev, O_RDWR)) < 0) {
|
|
GST_ERROR_OBJECT (object, "Error opening demuxer: %s (%s)",
|
|
g_strerror (errno), demux_dev);
|
|
continue;
|
|
}
|
|
g_return_if_fail (*fd != -1);
|
|
|
|
pes_filter.pid = pid;
|
|
pes_filter.input = DMX_IN_FRONTEND;
|
|
pes_filter.output = DMX_OUT_TS_TAP;
|
|
pes_filter.pes_type = DMX_PES_OTHER;
|
|
pes_filter.flags = DMX_IMMEDIATE_START;
|
|
|
|
GST_INFO_OBJECT (object, "Setting pes-filter, pid = %d, type = %d",
|
|
pes_filter.pid, pes_filter.pes_type);
|
|
|
|
if (ioctl (*fd, DMX_SET_PES_FILTER, &pes_filter) < 0)
|
|
GST_WARNING_OBJECT (object, "Error setting PES filter on %s: %s",
|
|
demux_dev, g_strerror (errno));
|
|
}
|
|
|
|
g_free (demux_dev);
|
|
}
|