| /* |
| * parsechannels.c - |
| * Copyright (C) 2008 Zaheer Abbas Merali |
| * |
| * Authors: |
| * Zaheer Abbas Merali <zaheerabbas at merali dot org> |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public |
| * License along with this library; if not, write to the |
| * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| * Boston, MA 02111-1307, USA. |
| */ |
| |
| #include <glib.h> |
| #include <glib-object.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <gst/gst.h> |
| |
| #include "parsechannels.h" |
| |
| /* this will do zap style channels.conf only for the moment*/ |
| GHashTable * |
| parse_channels_conf_from_file (const gchar * filename) |
| { |
| gchar *contents; |
| gchar **lines; |
| gchar *line; |
| gchar **fields; |
| const gchar *terrestrial[] = { "inversion", "bandwidth", |
| "code-rate-hp", "code-rate-lp", "modulation", "transmission-mode", |
| "guard", "hierarchy" |
| }; |
| const gchar *satellite[] = { "polarity", "diseqc-source", |
| "symbol-rate" |
| }; |
| const gchar *cable[] = { "inversion", "symbol-rate", "code-rate-hp", |
| "modulation" |
| }; |
| int i; |
| GHashTable *res = NULL; |
| |
| if (g_file_get_contents (filename, &contents, NULL, NULL)) { |
| lines = g_strsplit (contents, "\n", 0); |
| res = g_hash_table_new (g_str_hash, g_str_equal); |
| |
| i = 0; |
| line = lines[0]; |
| while (line != NULL) { |
| if (line[0] != '#') { |
| int numfields; |
| gboolean parsed = FALSE; |
| GHashTable *params = g_hash_table_new_full (g_str_hash, g_str_equal, |
| g_free, g_free); |
| |
| fields = g_strsplit (line, ":", 0); |
| numfields = g_strv_length (fields); |
| if (numfields == 8) { |
| /* satellite */ |
| int j; |
| |
| 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])); |
| } |
| g_hash_table_insert (params, g_strdup ("frequency"), |
| g_strdup_printf ("%d", atoi (fields[1]) * 1000)); |
| parsed = TRUE; |
| } else if (numfields == 13) { |
| /* terrestrial */ |
| int j; |
| |
| g_hash_table_insert (params, g_strdup ("type"), |
| g_strdup ("terrestrial")); |
| for (j = 2; j <= 9; j++) { |
| g_hash_table_insert (params, g_strdup (terrestrial[j - 2]), |
| g_strdup (fields[j])); |
| } |
| g_hash_table_insert (params, g_strdup ("frequency"), |
| g_strdup (fields[1])); |
| parsed = TRUE; |
| } else if (numfields == 9) { |
| /* cable */ |
| int j; |
| |
| g_hash_table_insert (params, g_strdup ("type"), g_strdup ("cable")); |
| for (j = 2; j <= 5; j++) { |
| g_hash_table_insert (params, g_strdup (cable[j - 2]), |
| g_strdup (fields[j])); |
| } |
| g_hash_table_insert (params, g_strdup ("frequency"), |
| g_strdup (fields[1])); |
| parsed = TRUE; |
| } else if (numfields == 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])); |
| parsed = TRUE; |
| } |
| if (parsed) { |
| g_hash_table_insert (params, g_strdup ("sid"), |
| g_strdup (fields[numfields - 1])); |
| g_hash_table_insert (res, g_strdup (fields[0]), params); |
| } |
| g_strfreev (fields); |
| } |
| line = lines[++i]; |
| } |
| g_strfreev (lines); |
| g_free (contents); |
| } |
| return res; |
| } |
| |
| static gboolean |
| remove_channel_from_hash (gpointer key, gpointer value, gpointer user_data) |
| { |
| if (key) |
| 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); |
| } |
| |
| gboolean |
| set_properties_for_channel (GObject * dvbbasebin, const gchar * channel_name) |
| { |
| gboolean ret = FALSE; |
| GHashTable *channels; |
| gchar *filename; |
| |
| filename = g_strdup (g_getenv ("GST_DVB_CHANNELS_CONF")); |
| if (filename == NULL) { |
| guint major, minor, micro, nano; |
| |
| gst_version (&major, &minor, µ, &nano); |
| filename = g_strdup_printf ("%s/.gstreamer-%d.%d/dvb-channels.conf", |
| g_get_home_dir (), major, minor); |
| } |
| channels = parse_channels_conf_from_file (filename); |
| g_free (filename); |
| |
| if (channels) { |
| GHashTable *params = g_hash_table_lookup (channels, |
| channel_name); |
| |
| if (params) { |
| gchar *type; |
| const gchar *adapter; |
| |
| g_object_set (dvbbasebin, "program-numbers", |
| g_hash_table_lookup (params, "sid"), NULL); |
| /* check if it is terrestrial or satellite */ |
| adapter = g_getenv ("GST_DVB_ADAPTER"); |
| if (adapter) |
| g_object_set (dvbbasebin, "adapter", atoi (adapter), NULL); |
| 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", 0, NULL); |
| else if (strcmp (val, "INVERSION_ON") == 0) |
| g_object_set (dvbbasebin, "inversion", 1, NULL); |
| else |
| g_object_set (dvbbasebin, "inversion", 2, 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 |
| 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; |
| |
| 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; |
| |
| 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; |
| |
| 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); |
| } |
| |
| return ret; |
| } |