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863 lines
29 KiB
C
863 lines
29 KiB
C
/*
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* parsechannels.c -
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* Copyright (C) 2008 Zaheer Abbas Merali
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*
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* Authors:
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* Zaheer Abbas Merali <zaheerabbas at merali 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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <glib.h>
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#include <glib-object.h>
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#include <stdlib.h>
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#include <string.h>
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#include <gst/gst.h>
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#include <gst/gst-i18n-plugin.h>
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#include "parsechannels.h"
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#include <linux/dvb/frontend.h>
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typedef enum
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{
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CHANNEL_CONF_FORMAT_NONE,
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CHANNEL_CONF_FORMAT_DVBV5,
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CHANNEL_CONF_FORMAT_ZAP
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} GstDvbChannelConfFormat;
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static gboolean parse_and_configure_from_v5_conf_file (GstElement * dvbbasebin,
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const gchar * filename, const gchar * channel_name, GError ** error);
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static gboolean parse_and_configure_from_zap_conf_file (GstElement * dvbbasebin,
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const gchar * filename, const gchar * channel_name, GError ** error);
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static GstDvbChannelConfFormat detect_file_format (const gchar * filename);
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GST_DEBUG_CATEGORY_EXTERN (dvb_base_bin_debug);
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#define GST_CAT_DEFAULT dvb_base_bin_debug
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/* TODO:
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* Store the channels hash table around instead of constantly parsing it
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* Detect when the file changed on disk
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*/
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typedef gboolean (*GstDvbV5ChannelsConfPropSetFunction) (GstElement *
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dvbbasebin, const gchar * property, GKeyFile * kf,
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const gchar * channel_name, const gchar * key);
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static gint
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gst_dvb_base_bin_find_string_in_array (const gchar ** array, const gchar * str)
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{
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gint i = 0;
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const gchar *cur;
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while ((cur = array[i])) {
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if (strcmp (cur, str) == 0)
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return i;
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i++;
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}
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return -1;
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}
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static gboolean
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gst_dvb_base_bin_conf_set_property_from_string_array (GstElement * dvbbasebin,
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const gchar * property, GKeyFile * kf, const gchar * channel_name,
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const gchar * key, const gchar ** strings, gint default_value)
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{
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gchar *str;
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gint v;
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str = g_key_file_get_string (kf, channel_name, key, NULL);
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v = gst_dvb_base_bin_find_string_in_array (strings, str);
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if (v == -1) {
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GST_WARNING_OBJECT (dvbbasebin, "Unexpected value '%s' for property "
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"'%s', using default: %d", str, property, default_value);
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v = default_value;
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}
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g_free (str);
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g_object_set (dvbbasebin, property, v, NULL);
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return TRUE;
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}
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/* TODO handle errors when getting keyfile data on all these functions */
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static gboolean
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gst_dvb_base_bin_conf_set_string (GstElement * dvbbasebin,
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const gchar * property, GKeyFile * kf, const gchar * channel_name,
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const gchar * key)
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{
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gchar *str;
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str = g_key_file_get_string (kf, channel_name, key, NULL);
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g_object_set (dvbbasebin, property, str, NULL);
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g_free (str);
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return TRUE;
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}
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static gboolean
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gst_dvb_base_bin_conf_set_uint (GstElement * dvbbasebin, const gchar * property,
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GKeyFile * kf, const gchar * channel_name, const gchar * key)
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{
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guint64 v;
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v = g_key_file_get_uint64 (kf, channel_name, key, NULL);
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g_object_set (dvbbasebin, property, (guint) v, NULL);
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return TRUE;
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}
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static gboolean
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gst_dvb_base_bin_conf_set_int (GstElement * dvbbasebin, const gchar * property,
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GKeyFile * kf, const gchar * channel_name, const gchar * key)
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{
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gint v;
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v = g_key_file_get_integer (kf, channel_name, key, NULL);
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g_object_set (dvbbasebin, property, v, NULL);
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return TRUE;
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}
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static gboolean
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gst_dvb_base_bin_conf_set_inversion (GstElement * dvbbasebin,
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const gchar * property, GKeyFile * kf, const gchar * channel_name,
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const gchar * key)
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{
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gchar *str;
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gint v;
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str = g_key_file_get_string (kf, channel_name, key, NULL);
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if (strcmp (str, "AUTO") == 0)
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v = 2;
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else if (strcmp (str, "ON") == 0)
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v = 1;
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else
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v = 0; /* OFF */
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g_free (str);
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g_object_set (dvbbasebin, property, v, NULL);
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return TRUE;
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}
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static gboolean
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gst_dvb_base_bin_conf_set_guard (GstElement * dvbbasebin,
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const gchar * property, GKeyFile * kf, const gchar * channel_name,
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const gchar * key)
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{
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const gchar *guards[] = {
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"32", "16", "8", "4", "auto",
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"128", "19/128", "19/256",
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"PN420", "PN595", "PN945", NULL
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};
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return gst_dvb_base_bin_conf_set_property_from_string_array (dvbbasebin,
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property, kf, channel_name, key, guards, 4);
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}
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static gboolean
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gst_dvb_base_bin_conf_set_trans_mode (GstElement * dvbbasebin,
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const gchar * property, GKeyFile * kf, const gchar * channel_name,
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const gchar * key)
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{
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const gchar *trans_modes[] = {
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"2K", "8K", "AUTO", "4K", "1K",
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"16K", "32K", "C1", "C3780", NULL
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};
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return gst_dvb_base_bin_conf_set_property_from_string_array (dvbbasebin,
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property, kf, channel_name, key, trans_modes, 2);
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}
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static gboolean
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gst_dvb_base_bin_conf_set_code_rate (GstElement * dvbbasebin,
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const gchar * property, GKeyFile * kf, const gchar * channel_name,
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const gchar * key)
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{
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const gchar *code_rates[] = {
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"NONE", "1/2", "2/3", "3/4", "4/5",
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"5/6", "6/7", "7/8", "8/9", "AUTO",
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"3/5", "9/10", "2/5", NULL
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};
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return gst_dvb_base_bin_conf_set_property_from_string_array (dvbbasebin,
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property, kf, channel_name, key, code_rates, 9);
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}
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static gboolean
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gst_dvb_base_bin_conf_set_delsys (GstElement * dvbbasebin,
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const gchar * property, GKeyFile * kf, const gchar * channel_name,
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const gchar * key)
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{
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const gchar *delsys[] = {
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"UNDEFINED", "DVBCA", "DVBCB", "DVBT", "DSS",
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"DVBS", "DVBS2", "DVBH", "ISDBT", "ISDBS",
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"ISDBC", "ATSC", "ATSCMH", "DTMB", "CMMB",
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"DAB", "DVBT2", "TURBO", "DVBCC", NULL
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};
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return gst_dvb_base_bin_conf_set_property_from_string_array (dvbbasebin,
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property, kf, channel_name, key, delsys, 0);
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}
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static gboolean
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gst_dvb_base_bin_conf_set_modulation (GstElement * dvbbasebin,
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const gchar * property, GKeyFile * kf, const gchar * channel_name,
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const gchar * key)
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{
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const gchar *modulations[] = {
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"QPSK", "QAM/16", "QAM/32", "QAM/64",
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"QAM/128", "QAM/256", "QAM/AUTO", "VSB/8",
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"VSB/16", "PSK/8", "APSK/16", "APSK/32",
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"DQPSK", "QAM/4_NR", NULL
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};
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return gst_dvb_base_bin_conf_set_property_from_string_array (dvbbasebin,
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property, kf, channel_name, key, modulations, 6);
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}
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typedef struct
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{
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const gchar *conf_property;
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const gchar *elem_property;
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GstDvbV5ChannelsConfPropSetFunction set_func;
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} GstDvbV5ChannelsConfToPropertyMap;
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GstDvbV5ChannelsConfToPropertyMap dvbv5_prop_map[] = {
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{"SERVICE_ID", "program-numbers", gst_dvb_base_bin_conf_set_string},
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{"FREQUENCY", "frequency", gst_dvb_base_bin_conf_set_uint},
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{"BANDWIDTH_HZ", "bandwidth-hz", gst_dvb_base_bin_conf_set_uint},
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{"INVERSION", "inversion", gst_dvb_base_bin_conf_set_inversion},
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{"GUARD_INTERVAL", "guard", gst_dvb_base_bin_conf_set_guard},
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{"TRANSMISSION_MODE", "trans-mode", gst_dvb_base_bin_conf_set_trans_mode},
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{"MODULATION", "modulation", gst_dvb_base_bin_conf_set_modulation},
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{"ISDBT_LAYER_ENABLED", "isdbt-layer-enabled",
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gst_dvb_base_bin_conf_set_uint},
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{"ISDBT_PARTIAL_RECEPTION", "isdbt-partial-reception",
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gst_dvb_base_bin_conf_set_int},
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{"ISDBT_SOUND_BROADCASTING", "isdbt-sound-broadcasting",
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gst_dvb_base_bin_conf_set_int},
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{"ISDBT_SB_SUBCHANNEL_ID", "isdbt-sb-subchannel-id",
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gst_dvb_base_bin_conf_set_int},
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{"ISDBT_SB_SEGMENT_IDX", "isdbt-sb-segment-idx",
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gst_dvb_base_bin_conf_set_int},
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{"ISDBT_SB_SEGMENT_COUNT", "isdbt-sb-segment-count", gst_dvb_base_bin_conf_set_int}, /* Range in files start from 0, property starts from 1 */
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{"ISDBT_LAYERA_FEC", "isdbt-layera-fec", gst_dvb_base_bin_conf_set_code_rate},
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{"ISDBT_LAYERA_MODULATION", "isdbt-layera-modulation",
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gst_dvb_base_bin_conf_set_modulation},
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{"ISDBT_LAYERA_SEGMENT_COUNT", "isdbt-layera-segment-count",
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gst_dvb_base_bin_conf_set_int},
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{"ISDBT_LAYERA_TIME_INTERLEAVING", "isdbt-layera-time-interleaving",
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gst_dvb_base_bin_conf_set_int},
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{"ISDBT_LAYERB_FEC", "isdbt-layerb-fec", gst_dvb_base_bin_conf_set_code_rate},
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{"ISDBT_LAYERB_MODULATION", "isdbt-layerb-modulation",
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gst_dvb_base_bin_conf_set_modulation},
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{"ISDBT_LAYERB_SEGMENT_COUNT", "isdbt-layerb-segment-count",
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gst_dvb_base_bin_conf_set_int},
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{"ISDBT_LAYERB_TIME_INTERLEAVING", "isdbt-layerb-time-interleaving",
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gst_dvb_base_bin_conf_set_int},
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{"ISDBT_LAYERC_FEC", "isdbt-layerc-fec", gst_dvb_base_bin_conf_set_code_rate},
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{"ISDBT_LAYERC_MODULATION", "isdbt-layerc-modulation",
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gst_dvb_base_bin_conf_set_modulation},
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{"ISDBT_LAYERC_SEGMENT_COUNT", "isdbt-layerc-segment-count",
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gst_dvb_base_bin_conf_set_int},
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{"ISDBT_LAYERC_TIME_INTERLEAVING", "isdbt-layerc-time-interleaving",
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gst_dvb_base_bin_conf_set_int},
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{"DELIVERY_SYSTEM", "delsys", gst_dvb_base_bin_conf_set_delsys},
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{NULL,}
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};
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static gboolean
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parse_and_configure_from_v5_conf_file (GstElement * dvbbasebin,
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const gchar * filename, const gchar * channel_name, GError ** error)
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{
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GKeyFile *keyfile;
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gchar **keys, **keys_p;
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GError *err = NULL;
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keyfile = g_key_file_new ();
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if (!g_key_file_load_from_file (keyfile, filename, G_KEY_FILE_NONE, &err))
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goto load_error;
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if (!g_key_file_has_group (keyfile, channel_name))
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goto unknown_channel;
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keys = g_key_file_get_keys (keyfile, channel_name, NULL, &err);
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if (!keys)
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goto no_properties;
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keys_p = keys;
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while (*keys_p) {
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const gchar *k = *keys_p;
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const GstDvbV5ChannelsConfToPropertyMap *map_entry = dvbv5_prop_map;
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gboolean property_found = FALSE;
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GST_LOG_OBJECT (dvbbasebin, "Setting property %s", k);
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while (map_entry->conf_property) {
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if (strcmp (map_entry->conf_property, k) == 0) {
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if (!map_entry->set_func (dvbbasebin, map_entry->elem_property, keyfile,
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channel_name, k))
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goto property_error;
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property_found = TRUE;
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break;
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}
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map_entry++;
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}
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if (!property_found)
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GST_DEBUG_OBJECT (dvbbasebin, "Failed to map property '%s'", k);
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keys_p++;
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}
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GST_DEBUG_OBJECT (dvbbasebin, "Successfully parsed channel configuration "
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"file '%s'", filename);
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g_strfreev (keys);
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g_key_file_unref (keyfile);
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return TRUE;
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load_error:
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if ((err->domain == G_FILE_ERROR && err->code == G_FILE_ERROR_NOENT) ||
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(err->domain == G_KEY_FILE_ERROR
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&& err->code == G_KEY_FILE_ERROR_NOT_FOUND)) {
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g_set_error (error, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_NOT_FOUND,
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_("Couldn't find DVB channel configuration file"));
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} else {
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g_set_error (error, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_READ,
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_("Couldn't load DVB channel configuration file: %s"), err->message);
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}
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g_clear_error (&err);
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return FALSE;
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unknown_channel:
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{
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/* FIXME: is channel name guaranteed to be ASCII or UTF-8? */
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g_set_error (error, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_NOT_FOUND,
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_("Couldn't find details for DVB channel %s"), channel_name);
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g_key_file_unref (keyfile);
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g_clear_error (&err);
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return FALSE;
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}
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no_properties:
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{
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/* FIXME: is channel name guaranteed to be ASCII or UTF-8? */
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g_set_error (error, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_NOT_FOUND,
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_("No properties for the DVB channel %s"), channel_name);
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g_key_file_unref (keyfile);
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g_clear_error (&err);
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return FALSE;
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}
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property_error:
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{
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/* FIXME: is channel name guaranteed to be ASCII or UTF-8? */
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g_set_error (error, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_FAILED,
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_("Failed to set properties for the DVB channel %s"), channel_name);
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g_key_file_unref (keyfile);
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g_clear_error (&err);
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return FALSE;
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}
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}
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/* this will do zap style channels.conf only for the moment */
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static GHashTable *
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parse_channels_conf_from_file (GstElement * dvbbasebin, const gchar * filename,
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GError ** error)
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{
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gchar *contents;
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gchar **lines;
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gchar *line;
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gchar **fields;
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int i, parsedchannels = 0;
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GHashTable *res;
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GError *err = NULL;
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const gchar *terrestrial[] = { "inversion", "bandwidth",
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"code-rate-hp", "code-rate-lp", "modulation", "transmission-mode",
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"guard", "hierarchy"
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};
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const gchar *satellite[] = { "polarity", "diseqc-source",
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"symbol-rate"
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};
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const gchar *cable[] = { "inversion", "symbol-rate", "code-rate-hp",
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"modulation"
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};
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GST_INFO_OBJECT (dvbbasebin, "parsing '%s'", filename);
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if (!g_file_get_contents (filename, &contents, NULL, &err))
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goto open_fail;
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lines = g_strsplit (contents, "\n", 0);
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res = g_hash_table_new (g_str_hash, g_str_equal);
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i = 0;
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line = lines[0];
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while (line != NULL) {
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GHashTable *params;
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int j, numfields;
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if (line[0] == '#')
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goto next_line;
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params = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
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fields = g_strsplit (line, ":", 0);
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numfields = g_strv_length (fields);
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switch (numfields) {
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case 13: /* terrestrial */
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g_hash_table_insert (params, g_strdup ("type"),
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g_strdup ("terrestrial"));
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for (j = 2; j <= 9; j++) {
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g_hash_table_insert (params, g_strdup (terrestrial[j - 2]),
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g_strdup (fields[j]));
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}
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g_hash_table_insert (params, g_strdup ("frequency"),
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g_strdup (fields[1]));
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break;
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case 9: /* cable */
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g_hash_table_insert (params, g_strdup ("type"), g_strdup ("cable"));
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for (j = 2; j <= 5; j++) {
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g_hash_table_insert (params, g_strdup (cable[j - 2]),
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g_strdup (fields[j]));
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}
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g_hash_table_insert (params, g_strdup ("frequency"),
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g_strdup (fields[1]));
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break;
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case 8: /* satellite */
|
|
g_hash_table_insert (params, g_strdup ("type"), g_strdup ("satellite"));
|
|
for (j = 2; j <= 4; j++) {
|
|
g_hash_table_insert (params, g_strdup (satellite[j - 2]),
|
|
g_strdup (fields[j]));
|
|
}
|
|
/**
|
|
* Some ZAP format variations store freqs in MHz
|
|
* but we internally use kHz for DVB-S/S2.
|
|
*/
|
|
if (strlen (fields[1]) < 6) {
|
|
g_hash_table_insert (params, g_strdup ("frequency"),
|
|
g_strdup_printf ("%d", atoi (fields[1]) * 1000));
|
|
} else {
|
|
g_hash_table_insert (params, g_strdup ("frequency"),
|
|
g_strdup_printf ("%d", atoi (fields[1])));
|
|
}
|
|
break;
|
|
case 6: /* atsc (vsb/qam) */
|
|
g_hash_table_insert (params, g_strdup ("type"), g_strdup ("atsc"));
|
|
g_hash_table_insert (params, g_strdup ("modulation"),
|
|
g_strdup (fields[2]));
|
|
|
|
g_hash_table_insert (params, g_strdup ("frequency"),
|
|
g_strdup (fields[1]));
|
|
break;
|
|
default:
|
|
goto not_parsed;
|
|
}
|
|
|
|
/* parsed */
|
|
g_hash_table_insert (params, g_strdup ("sid"),
|
|
g_strdup (fields[numfields - 1]));
|
|
g_hash_table_insert (res, g_strdup (fields[0]), params);
|
|
parsedchannels++;
|
|
|
|
not_parsed:
|
|
g_strfreev (fields);
|
|
next_line:
|
|
line = lines[++i];
|
|
}
|
|
|
|
g_strfreev (lines);
|
|
g_free (contents);
|
|
|
|
if (parsedchannels == 0)
|
|
goto no_channels;
|
|
|
|
return res;
|
|
|
|
open_fail:
|
|
if (err->code == G_FILE_ERROR_NOENT) {
|
|
g_set_error (error, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_NOT_FOUND,
|
|
_("Couldn't find DVB channel configuration file: %s"), err->message);
|
|
} else {
|
|
g_set_error (error, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_READ,
|
|
_("Couldn't load DVB channel configuration file: %s"), err->message);
|
|
}
|
|
g_clear_error (&err);
|
|
return NULL;
|
|
|
|
no_channels:
|
|
g_set_error (error, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_FAILED,
|
|
_("DVB channel configuration file doesn't contain any channels"));
|
|
g_hash_table_unref (res);
|
|
return NULL;
|
|
}
|
|
|
|
static gboolean
|
|
remove_channel_from_hash (gpointer key, gpointer value, gpointer user_data)
|
|
{
|
|
g_free (key);
|
|
if (value)
|
|
g_hash_table_destroy ((GHashTable *) value);
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
destroy_channels_hash (GHashTable * channels)
|
|
{
|
|
g_hash_table_foreach_remove (channels, remove_channel_from_hash, NULL);
|
|
}
|
|
|
|
static gboolean
|
|
parse_and_configure_from_zap_conf_file (GstElement * dvbbasebin,
|
|
const gchar * filename, const gchar * channel_name, GError ** error)
|
|
{
|
|
gboolean ret = FALSE;
|
|
GHashTable *channels, *params;
|
|
gchar *type;
|
|
|
|
/**
|
|
* Assumptions are made here about a format that is loosely
|
|
* defined. Particularly, we assume a given delivery system
|
|
* out of counting the number of fields per line. dvbsrc has
|
|
* smarter code to auto-detect a delivery system based on
|
|
* known-correct combinations of parameters so if you ever
|
|
* encounter cases where the delivery system is being
|
|
* wrongly set here, just remove the offending
|
|
* g_object_set line and let dvbsrc work his magic out.
|
|
*/
|
|
|
|
channels = parse_channels_conf_from_file (dvbbasebin, filename, error);
|
|
|
|
if (!channels)
|
|
goto beach;
|
|
|
|
params = g_hash_table_lookup (channels, channel_name);
|
|
|
|
if (!params)
|
|
goto unknown_channel;
|
|
|
|
g_object_set (dvbbasebin, "program-numbers",
|
|
g_hash_table_lookup (params, "sid"), NULL);
|
|
/* check if it is terrestrial or satellite */
|
|
g_object_set (dvbbasebin, "frequency",
|
|
atoi (g_hash_table_lookup (params, "frequency")), NULL);
|
|
type = g_hash_table_lookup (params, "type");
|
|
if (strcmp (type, "terrestrial") == 0) {
|
|
gchar *val;
|
|
|
|
val = g_hash_table_lookup (params, "inversion");
|
|
if (strcmp (val, "INVERSION_OFF") == 0)
|
|
g_object_set (dvbbasebin, "inversion", INVERSION_OFF, NULL);
|
|
else if (strcmp (val, "INVERSION_ON") == 0)
|
|
g_object_set (dvbbasebin, "inversion", INVERSION_ON, NULL);
|
|
else
|
|
g_object_set (dvbbasebin, "inversion", INVERSION_AUTO, NULL);
|
|
|
|
val = g_hash_table_lookup (params, "bandwidth");
|
|
if (strcmp (val, "BANDWIDTH_8_MHZ") == 0)
|
|
g_object_set (dvbbasebin, "bandwidth", 0, NULL);
|
|
else if (strcmp (val, "BANDWIDTH_7_MHZ") == 0)
|
|
g_object_set (dvbbasebin, "bandwidth", 1, NULL);
|
|
else if (strcmp (val, "BANDWIDTH_6_MHZ") == 0)
|
|
g_object_set (dvbbasebin, "bandwidth", 2, NULL);
|
|
else if (strcmp (val, "BANDWIDTH_5_MHZ") == 0)
|
|
g_object_set (dvbbasebin, "bandwidth", 4, NULL);
|
|
else if (strcmp (val, "BANDWIDTH_10_MHZ") == 0)
|
|
g_object_set (dvbbasebin, "bandwidth", 5, NULL);
|
|
else if (strcmp (val, "BANDWIDTH_1_712_MHZ") == 0)
|
|
g_object_set (dvbbasebin, "bandwidth", 6, NULL);
|
|
else
|
|
g_object_set (dvbbasebin, "bandwidth", 3, NULL);
|
|
|
|
val = g_hash_table_lookup (params, "code-rate-hp");
|
|
if (strcmp (val, "FEC_NONE") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-hp", 0, NULL);
|
|
else if (strcmp (val, "FEC_1_2") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-hp", 1, NULL);
|
|
else if (strcmp (val, "FEC_2_3") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-hp", 2, NULL);
|
|
else if (strcmp (val, "FEC_3_4") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-hp", 3, NULL);
|
|
else if (strcmp (val, "FEC_4_5") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-hp", 4, NULL);
|
|
else if (strcmp (val, "FEC_5_6") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-hp", 5, NULL);
|
|
else if (strcmp (val, "FEC_6_7") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-hp", 6, NULL);
|
|
else if (strcmp (val, "FEC_7_8") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-hp", 7, NULL);
|
|
else if (strcmp (val, "FEC_8_9") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-hp", 8, NULL);
|
|
else
|
|
g_object_set (dvbbasebin, "code-rate-hp", 9, NULL);
|
|
|
|
val = g_hash_table_lookup (params, "code-rate-lp");
|
|
if (strcmp (val, "FEC_NONE") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-lp", 0, NULL);
|
|
else if (strcmp (val, "FEC_1_2") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-lp", 1, NULL);
|
|
else if (strcmp (val, "FEC_2_3") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-lp", 2, NULL);
|
|
else if (strcmp (val, "FEC_3_4") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-lp", 3, NULL);
|
|
else if (strcmp (val, "FEC_4_5") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-lp", 4, NULL);
|
|
else if (strcmp (val, "FEC_5_6") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-lp", 5, NULL);
|
|
else if (strcmp (val, "FEC_6_7") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-lp", 6, NULL);
|
|
else if (strcmp (val, "FEC_7_8") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-lp", 7, NULL);
|
|
else if (strcmp (val, "FEC_8_9") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-lp", 8, NULL);
|
|
else
|
|
g_object_set (dvbbasebin, "code-rate-lp", 9, NULL);
|
|
|
|
val = g_hash_table_lookup (params, "modulation");
|
|
if (strcmp (val, "QPSK") == 0)
|
|
g_object_set (dvbbasebin, "modulation", 0, NULL);
|
|
else if (strcmp (val, "QAM_16") == 0)
|
|
g_object_set (dvbbasebin, "modulation", 1, NULL);
|
|
else if (strcmp (val, "QAM_32") == 0)
|
|
g_object_set (dvbbasebin, "modulation", 2, NULL);
|
|
else if (strcmp (val, "QAM_64") == 0)
|
|
g_object_set (dvbbasebin, "modulation", 3, NULL);
|
|
else if (strcmp (val, "QAM_128") == 0)
|
|
g_object_set (dvbbasebin, "modulation", 4, NULL);
|
|
else if (strcmp (val, "QAM_256") == 0)
|
|
g_object_set (dvbbasebin, "modulation", 5, NULL);
|
|
else
|
|
g_object_set (dvbbasebin, "modulation", 6, NULL);
|
|
|
|
val = g_hash_table_lookup (params, "transmission-mode");
|
|
if (strcmp (val, "TRANSMISSION_MODE_2K") == 0)
|
|
g_object_set (dvbbasebin, "trans-mode", 0, NULL);
|
|
else if (strcmp (val, "TRANSMISSION_MODE_8K") == 0)
|
|
g_object_set (dvbbasebin, "trans-mode", 1, NULL);
|
|
else
|
|
g_object_set (dvbbasebin, "trans-mode", 2, NULL);
|
|
|
|
val = g_hash_table_lookup (params, "guard");
|
|
if (strcmp (val, "GUARD_INTERVAL_1_32") == 0)
|
|
g_object_set (dvbbasebin, "guard", 0, NULL);
|
|
else if (strcmp (val, "GUARD_INTERVAL_1_16") == 0)
|
|
g_object_set (dvbbasebin, "guard", 1, NULL);
|
|
else if (strcmp (val, "GUARD_INTERVAL_1_8") == 0)
|
|
g_object_set (dvbbasebin, "guard", 2, NULL);
|
|
else if (strcmp (val, "GUARD_INTERVAL_1_4") == 0)
|
|
g_object_set (dvbbasebin, "guard", 3, NULL);
|
|
else
|
|
g_object_set (dvbbasebin, "guard", 4, NULL);
|
|
|
|
val = g_hash_table_lookup (params, "hierarchy");
|
|
if (strcmp (val, "HIERARCHY_NONE") == 0)
|
|
g_object_set (dvbbasebin, "hierarchy", 0, NULL);
|
|
else if (strcmp (val, "HIERARCHY_1") == 0)
|
|
g_object_set (dvbbasebin, "hierarchy", 1, NULL);
|
|
else if (strcmp (val, "HIERARCHY_2") == 0)
|
|
g_object_set (dvbbasebin, "hierarchy", 2, NULL);
|
|
else if (strcmp (val, "HIERARCHY_4") == 0)
|
|
g_object_set (dvbbasebin, "hierarchy", 3, NULL);
|
|
else
|
|
g_object_set (dvbbasebin, "hierarchy", 4, NULL);
|
|
|
|
ret = TRUE;
|
|
} else if (strcmp (type, "satellite") == 0) {
|
|
gchar *val;
|
|
|
|
ret = TRUE;
|
|
|
|
g_object_set (dvbbasebin, "delsys", SYS_DVBS, NULL);
|
|
|
|
val = g_hash_table_lookup (params, "polarity");
|
|
if (val)
|
|
g_object_set (dvbbasebin, "polarity", val, NULL);
|
|
else
|
|
ret = FALSE;
|
|
|
|
val = g_hash_table_lookup (params, "diseqc-source");
|
|
if (val)
|
|
g_object_set (dvbbasebin, "diseqc-source", atoi (val), NULL);
|
|
|
|
val = g_hash_table_lookup (params, "symbol-rate");
|
|
if (val)
|
|
g_object_set (dvbbasebin, "symbol-rate", atoi (val), NULL);
|
|
else
|
|
ret = FALSE;
|
|
} else if (strcmp (type, "cable") == 0) {
|
|
gchar *val;
|
|
|
|
g_object_set (dvbbasebin, "delsys", SYS_DVBC_ANNEX_A, NULL);
|
|
|
|
ret = TRUE;
|
|
val = g_hash_table_lookup (params, "symbol-rate");
|
|
if (val)
|
|
g_object_set (dvbbasebin, "symbol-rate", atoi (val) / 1000, NULL);
|
|
val = g_hash_table_lookup (params, "modulation");
|
|
if (strcmp (val, "QPSK") == 0)
|
|
g_object_set (dvbbasebin, "modulation", 0, NULL);
|
|
else if (strcmp (val, "QAM_16") == 0)
|
|
g_object_set (dvbbasebin, "modulation", 1, NULL);
|
|
else if (strcmp (val, "QAM_32") == 0)
|
|
g_object_set (dvbbasebin, "modulation", 2, NULL);
|
|
else if (strcmp (val, "QAM_64") == 0)
|
|
g_object_set (dvbbasebin, "modulation", 3, NULL);
|
|
else if (strcmp (val, "QAM_128") == 0)
|
|
g_object_set (dvbbasebin, "modulation", 4, NULL);
|
|
else if (strcmp (val, "QAM_256") == 0)
|
|
g_object_set (dvbbasebin, "modulation", 5, NULL);
|
|
else
|
|
g_object_set (dvbbasebin, "modulation", 6, NULL);
|
|
val = g_hash_table_lookup (params, "code-rate-hp");
|
|
if (strcmp (val, "FEC_NONE") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-hp", 0, NULL);
|
|
else if (strcmp (val, "FEC_1_2") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-hp", 1, NULL);
|
|
else if (strcmp (val, "FEC_2_3") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-hp", 2, NULL);
|
|
else if (strcmp (val, "FEC_3_4") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-hp", 3, NULL);
|
|
else if (strcmp (val, "FEC_4_5") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-hp", 4, NULL);
|
|
else if (strcmp (val, "FEC_5_6") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-hp", 5, NULL);
|
|
else if (strcmp (val, "FEC_6_7") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-hp", 6, NULL);
|
|
else if (strcmp (val, "FEC_7_8") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-hp", 7, NULL);
|
|
else if (strcmp (val, "FEC_8_9") == 0)
|
|
g_object_set (dvbbasebin, "code-rate-hp", 8, NULL);
|
|
else
|
|
g_object_set (dvbbasebin, "code-rate-hp", 9, NULL);
|
|
val = g_hash_table_lookup (params, "inversion");
|
|
if (strcmp (val, "INVERSION_OFF") == 0)
|
|
g_object_set (dvbbasebin, "inversion", 0, NULL);
|
|
else if (strcmp (val, "INVERSION_ON") == 0)
|
|
g_object_set (dvbbasebin, "inversion", 1, NULL);
|
|
else
|
|
g_object_set (dvbbasebin, "inversion", 2, NULL);
|
|
} else if (strcmp (type, "atsc") == 0) {
|
|
gchar *val;
|
|
|
|
ret = TRUE;
|
|
|
|
g_object_set (dvbbasebin, "delsys", SYS_ATSC, NULL);
|
|
|
|
val = g_hash_table_lookup (params, "modulation");
|
|
if (strcmp (val, "QAM_64") == 0)
|
|
g_object_set (dvbbasebin, "modulation", 3, NULL);
|
|
else if (strcmp (val, "QAM_256") == 0)
|
|
g_object_set (dvbbasebin, "modulation", 5, NULL);
|
|
else if (strcmp (val, "8VSB") == 0)
|
|
g_object_set (dvbbasebin, "modulation", 7, NULL);
|
|
else if (strcmp (val, "16VSB") == 0)
|
|
g_object_set (dvbbasebin, "modulation", 8, NULL);
|
|
else
|
|
ret = FALSE;
|
|
}
|
|
|
|
destroy_channels_hash (channels);
|
|
|
|
beach:
|
|
return ret;
|
|
|
|
unknown_channel:
|
|
{
|
|
/* FIXME: is channel name guaranteed to be ASCII or UTF-8? */
|
|
g_set_error (error, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_NOT_FOUND,
|
|
_("Couldn't find details for DVB channel %s"), channel_name);
|
|
destroy_channels_hash (channels);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static GstDvbChannelConfFormat
|
|
detect_file_format (const gchar * filename)
|
|
{
|
|
gchar *contents;
|
|
gchar **lines;
|
|
gchar **line;
|
|
GstDvbChannelConfFormat ret = CHANNEL_CONF_FORMAT_NONE;
|
|
|
|
if (!g_file_get_contents (filename, &contents, NULL, NULL))
|
|
return ret;
|
|
|
|
lines = g_strsplit (contents, "\n", 0);
|
|
line = lines;
|
|
|
|
while (*line) {
|
|
if (g_str_has_prefix (*line, "[") && g_str_has_suffix (*line, "]")) {
|
|
ret = CHANNEL_CONF_FORMAT_DVBV5;
|
|
break;
|
|
} else if (g_strrstr (*line, ":")) {
|
|
ret = CHANNEL_CONF_FORMAT_ZAP;
|
|
break;
|
|
}
|
|
line++;
|
|
}
|
|
|
|
g_strfreev (lines);
|
|
g_free (contents);
|
|
return ret;
|
|
}
|
|
|
|
gboolean
|
|
set_properties_for_channel (GstElement * dvbbasebin,
|
|
const gchar * channel_name, GError ** error)
|
|
{
|
|
gboolean ret = FALSE;
|
|
gchar *filename;
|
|
const gchar *adapter;
|
|
|
|
filename = g_strdup (g_getenv ("GST_DVB_CHANNELS_CONF"));
|
|
if (filename == NULL) {
|
|
filename = g_build_filename (g_get_user_config_dir (),
|
|
"gstreamer-" GST_API_VERSION, "dvb-channels.conf", NULL);
|
|
}
|
|
|
|
adapter = g_getenv ("GST_DVB_ADAPTER");
|
|
if (adapter)
|
|
g_object_set (dvbbasebin, "adapter", atoi (adapter), NULL);
|
|
|
|
switch (detect_file_format (filename)) {
|
|
case CHANNEL_CONF_FORMAT_DVBV5:
|
|
if (!parse_and_configure_from_v5_conf_file (dvbbasebin, filename,
|
|
channel_name, error)) {
|
|
GST_WARNING_OBJECT (dvbbasebin, "Could not parse libdvbv5 channel "
|
|
"configuration file '%s'", filename);
|
|
} else {
|
|
GST_INFO_OBJECT (dvbbasebin, "Parsed libdvbv5 channel configuration "
|
|
"file");
|
|
ret = TRUE;
|
|
}
|
|
break;
|
|
case CHANNEL_CONF_FORMAT_ZAP:
|
|
if (!parse_and_configure_from_zap_conf_file (dvbbasebin, filename,
|
|
channel_name, error)) {
|
|
GST_WARNING_OBJECT (dvbbasebin, "Could not parse ZAP channel "
|
|
"configuration file '%s'", filename);
|
|
} else {
|
|
GST_INFO_OBJECT (dvbbasebin, "Parsed ZAP channel configuration file");
|
|
ret = TRUE;
|
|
}
|
|
break;
|
|
default:
|
|
GST_WARNING_OBJECT (dvbbasebin, "Unknown configuration file format. "
|
|
"Can not get parameters for channel");
|
|
}
|
|
|
|
g_free (filename);
|
|
return ret;
|
|
}
|