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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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dvbbasebin: also accept DVBv5 channels.conf format
Confirmed working with ISDB-T & ATSC conf files. https://bugzilla.gnome.org/show_bug.cgi?id=764957
This commit is contained in:
Thiago Santos
Reynaldo H. Verdejo Pinochet
parent
f6eeb314d3
commit
dc93c448ca
1 changed files with 353 additions and 14 deletions
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@ -45,6 +45,319 @@ GST_DEBUG_CATEGORY_EXTERN (dvb_base_bin_debug);
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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", "AUTO", "8VSB",
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"16VSB", "8PSK", "16APSK", "32APSK",
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"DQPSK", "QAM4NR", 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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{"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_channels_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 channels.conf property "
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"'%s'", k);
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}
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keys_p++;
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}
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GST_DEBUG_OBJECT (dvbbasebin, "Succesfully parsed channels file");
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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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@ -192,15 +505,13 @@ destroy_channels_hash (GHashTable * channels)
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g_hash_table_foreach_remove (channels, remove_channel_from_hash, NULL);
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}
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gboolean
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set_properties_for_channel (GstElement * dvbbasebin,
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const gchar * channel_name, GError ** error)
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static gboolean
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parse_and_configure_from_channels_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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gboolean ret = FALSE;
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GHashTable *channels, *params;
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gchar *filename;
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gchar *type;
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const gchar *adapter;
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/**
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* Assumptions are made here about a format that is loosely
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@ -213,13 +524,7 @@ set_properties_for_channel (GstElement * dvbbasebin,
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* g_object_set line and let dvbsrc work his magic out.
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*/
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filename = g_strdup (g_getenv ("GST_DVB_CHANNELS_CONF"));
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if (filename == NULL) {
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filename = g_build_filename (g_get_user_config_dir (),
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"gstreamer-" GST_API_VERSION, "dvb-channels.conf", NULL);
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}
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channels = parse_channels_conf_from_file (dvbbasebin, filename, error);
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g_free (filename);
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if (!channels)
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goto beach;
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@ -232,9 +537,6 @@ set_properties_for_channel (GstElement * dvbbasebin,
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g_object_set (dvbbasebin, "program-numbers",
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g_hash_table_lookup (params, "sid"), NULL);
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/* check if it is terrestrial or satellite */
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adapter = g_getenv ("GST_DVB_ADAPTER");
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if (adapter)
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g_object_set (dvbbasebin, "adapter", atoi (adapter), NULL);
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g_object_set (dvbbasebin, "frequency",
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atoi (g_hash_table_lookup (params, "frequency")), NULL);
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type = g_hash_table_lookup (params, "type");
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@ -466,3 +768,40 @@ unknown_channel:
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return FALSE;
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}
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}
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gboolean
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set_properties_for_channel (GstElement * dvbbasebin,
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const gchar * channel_name, GError ** error)
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{
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gboolean ret = FALSE;
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gchar *filename;
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const gchar *adapter;
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filename = g_strdup (g_getenv ("GST_DVB_CHANNELS_CONF"));
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if (filename == NULL) {
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filename = g_build_filename (g_get_user_config_dir (),
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"gstreamer-" GST_API_VERSION, "dvb-channels.conf", NULL);
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}
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/* TODO detect channels.conf file format */
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adapter = g_getenv ("GST_DVB_ADAPTER");
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if (adapter)
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g_object_set (dvbbasebin, "adapter", atoi (adapter), NULL);
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if (!(ret =
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parse_and_configure_from_v5_channels_conf_file (dvbbasebin, filename,
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channel_name, error))) {
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/* TODO only fallback if it was a parsing error */
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g_clear_error (error);
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GST_DEBUG_OBJECT (dvbbasebin, "Resorting to old ZAP format file parsing");
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/* fallback to old format */
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ret =
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parse_and_configure_from_channels_conf_file (dvbbasebin, filename,
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channel_name, error);
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}
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g_free (filename);
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return ret;
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}
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|
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Reference in a new issue