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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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examples/ts-parser: Use the section type for descriptor identification
Some descriptors can only be present in some section Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1880>
This commit is contained in:
Edward Hervey
Edward Hervey
parent
160106885a
commit
d75ee7b16d
1 changed files with 285 additions and 258 deletions
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@ -518,6 +518,272 @@ dump_dvb_extended_event (GstMpegtsDescriptor * desc, guint spacing)
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}
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}
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#define SAFE_CHAR(a) (g_ascii_isprint(a) ? a : '.')
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/* Single descriptor dump
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* Descriptors that can only appear in specific tables should be handled before */
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static void
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dump_generic_descriptor (GstMpegtsDescriptor * desc, guint spacing)
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{
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switch (desc->tag) {
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case GST_MTS_DESC_REGISTRATION:
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{
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const guint8 *data = desc->data + 2;
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g_printf ("%*s Registration : %c%c%c%c [%02x%02x%02x%02x]\n", spacing,
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"", SAFE_CHAR (data[0]), SAFE_CHAR (data[1]), SAFE_CHAR (data[2]),
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SAFE_CHAR (data[3]), data[0], data[1], data[2], data[3]);
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break;
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}
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case GST_MTS_DESC_CA:
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{
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guint16 ca_pid, ca_system_id;
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const guint8 *private_data;
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gsize private_data_size;
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if (gst_mpegts_descriptor_parse_ca (desc, &ca_system_id, &ca_pid,
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&private_data, &private_data_size)) {
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g_printf ("%*s CA system id : 0x%04x\n", spacing, "", ca_system_id);
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g_printf ("%*s CA PID : 0x%04x\n", spacing, "", ca_pid);
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if (private_data_size) {
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g_printf ("%*s Private Data :\n", spacing, "");
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dump_memory_bytes ((guint8 *) private_data, private_data_size,
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spacing + 2);
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}
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}
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break;
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}
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case GST_MTS_DESC_DVB_NETWORK_NAME:
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{
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gchar *network_name;
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if (gst_mpegts_descriptor_parse_dvb_network_name (desc, &network_name)) {
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g_printf ("%*s Network Name : %s\n", spacing, "", network_name);
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g_free (network_name);
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}
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break;
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}
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case GST_MTS_DESC_DVB_SERVICE_LIST:
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{
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dump_dvb_service_list (desc, spacing + 2);
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break;
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}
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case GST_MTS_DESC_DVB_CABLE_DELIVERY_SYSTEM:
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dump_cable_delivery_descriptor (desc, spacing + 2);
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break;
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case GST_MTS_DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM:
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dump_terrestrial_delivery (desc, spacing + 2);
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break;
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case GST_MTS_DESC_DVB_BOUQUET_NAME:
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{
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gchar *bouquet_name;
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if (gst_mpegts_descriptor_parse_dvb_bouquet_name (desc, &bouquet_name)) {
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g_printf ("%*s Bouquet Name Descriptor, bouquet_name:%s\n", spacing,
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"", bouquet_name);
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g_free (bouquet_name);
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}
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break;
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}
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case GST_MTS_DESC_DVB_SERVICE:
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{
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gchar *service_name, *provider_name;
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GstMpegtsDVBServiceType service_type;
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if (gst_mpegts_descriptor_parse_dvb_service (desc, &service_type,
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&service_name, &provider_name)) {
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g_printf ("%*s Service Descriptor, type:0x%02x (%s)\n", spacing, "",
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service_type, enum_name (GST_TYPE_MPEGTS_DVB_SERVICE_TYPE,
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service_type));
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g_printf ("%*s service_name : %s\n", spacing, "", service_name);
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g_printf ("%*s provider_name : %s\n", spacing, "", provider_name);
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g_free (service_name);
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g_free (provider_name);
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}
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break;
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}
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case GST_MTS_DESC_DVB_MULTILINGUAL_BOUQUET_NAME:
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{
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dump_multiligual_bouquet_name (desc, spacing + 2);
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break;
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}
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case GST_MTS_DESC_DVB_MULTILINGUAL_NETWORK_NAME:
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{
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dump_multiligual_network_name (desc, spacing + 2);
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break;
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}
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case GST_MTS_DESC_DVB_MULTILINGUAL_SERVICE_NAME:
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{
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dump_multiligual_service_name (desc, spacing + 2);
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break;
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}
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case GST_MTS_DESC_DVB_MULTILINGUAL_COMPONENT:
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{
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dump_multiligual_component (desc, spacing + 2);
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break;
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}
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case GST_MTS_DESC_DVB_PRIVATE_DATA_SPECIFIER:
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{
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guint32 specifier;
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guint8 len = 0, *data = NULL;
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if (gst_mpegts_descriptor_parse_dvb_private_data_specifier (desc,
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&specifier, &data, &len)) {
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g_printf ("%*s private_data_specifier : 0x%08x\n", spacing, "",
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specifier);
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if (len > 0) {
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dump_memory_bytes (data, len, spacing + 2);
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g_free (data);
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}
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}
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break;
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}
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case GST_MTS_DESC_DVB_FREQUENCY_LIST:
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{
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gboolean offset;
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GArray *list;
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if (gst_mpegts_descriptor_parse_dvb_frequency_list (desc, &offset, &list)) {
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guint j;
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for (j = 0; j < list->len; j++) {
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guint32 freq = g_array_index (list, guint32, j);
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g_printf ("%*s Frequency : %u %s\n", spacing, "", freq,
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offset ? "kHz" : "Hz");
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}
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g_array_unref (list);
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}
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break;
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}
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case GST_MTS_DESC_DVB_LINKAGE:
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dump_linkage (desc, spacing + 2);
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break;
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case GST_MTS_DESC_DVB_COMPONENT:
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dump_component (desc, spacing + 2);
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break;
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case GST_MTS_DESC_DVB_STREAM_IDENTIFIER:
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{
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guint8 tag;
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if (gst_mpegts_descriptor_parse_dvb_stream_identifier (desc, &tag)) {
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g_printf ("%*s Component Tag : 0x%02x\n", spacing, "", tag);
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}
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break;
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}
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case GST_MTS_DESC_DVB_CA_IDENTIFIER:
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{
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GArray *list;
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guint j;
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guint16 ca_id;
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if (gst_mpegts_descriptor_parse_dvb_ca_identifier (desc, &list)) {
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for (j = 0; j < list->len; j++) {
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ca_id = g_array_index (list, guint16, j);
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g_printf ("%*s CA Identifier : 0x%04x\n", spacing, "", ca_id);
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}
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g_array_unref (list);
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}
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break;
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}
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case GST_MTS_DESC_DVB_CONTENT:
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dump_content (desc, spacing + 2);
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break;
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case GST_MTS_DESC_DVB_PARENTAL_RATING:
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{
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GPtrArray *ratings;
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guint j;
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if (gst_mpegts_descriptor_parse_dvb_parental_rating (desc, &ratings)) {
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for (j = 0; j < ratings->len; j++) {
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GstMpegtsDVBParentalRatingItem *item = g_ptr_array_index (ratings, j);
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g_printf ("%*s country_code : %s\n", spacing, "",
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item->country_code);
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g_printf ("%*s rating age : %d\n", spacing, "", item->rating);
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}
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g_ptr_array_unref (ratings);
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}
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break;
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}
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case GST_MTS_DESC_DVB_DATA_BROADCAST:
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{
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GstMpegtsDataBroadcastDescriptor *res;
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if (gst_mpegts_descriptor_parse_dvb_data_broadcast (desc, &res)) {
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g_printf ("%*s data_broadcast_id : 0x%04x\n", spacing, "",
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res->data_broadcast_id);
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g_printf ("%*s component_tag : 0x%02x\n", spacing, "",
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res->component_tag);
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if (res->length > 0) {
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g_printf ("%*s selector_bytes:\n", spacing, "");
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dump_memory_bytes (res->selector_bytes, res->length, spacing + 2);
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}
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g_printf ("%*s text : %s\n", spacing, "",
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res->text ? res->text : "NULL");
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gst_mpegts_dvb_data_broadcast_descriptor_free (res);
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}
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break;
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}
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case GST_MTS_DESC_ISO_639_LANGUAGE:
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dump_iso_639_language (desc, spacing + 2);
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break;
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case GST_MTS_DESC_DVB_SHORT_EVENT:
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{
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gchar *language_code, *event_name, *text;
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if (gst_mpegts_descriptor_parse_dvb_short_event (desc, &language_code,
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&event_name, &text)) {
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g_printf ("%*s Short Event, language_code:%s\n", spacing, "",
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language_code);
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g_printf ("%*s event_name : %s\n", spacing, "", event_name);
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g_printf ("%*s text : %s\n", spacing, "", text);
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g_free (language_code);
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g_free (event_name);
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g_free (text);
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}
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}
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break;
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case GST_MTS_DESC_DVB_EXTENDED_EVENT:
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{
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dump_dvb_extended_event (desc, spacing + 2);
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break;
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}
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case GST_MTS_DESC_DVB_SUBTITLING:
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{
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gchar *lang;
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guint8 type;
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guint16 composition;
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guint16 ancillary;
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guint j;
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for (j = 0;
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gst_mpegts_descriptor_parse_dvb_subtitling_idx (desc, j, &lang,
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&type, &composition, &ancillary); j++) {
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g_printf ("%*s Subtitling, language_code:%s\n", spacing, "", lang);
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g_printf ("%*s type : %u\n", spacing, "", type);
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g_printf ("%*s composition page id : %u\n", spacing, "",
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composition);
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g_printf ("%*s ancillary page id : %u\n", spacing, "",
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ancillary);
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g_free (lang);
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}
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}
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break;
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case GST_MTS_DESC_DVB_TELETEXT:
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{
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GstMpegtsDVBTeletextType type;
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gchar *lang;
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guint8 magazine, page_number;
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guint j;
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for (j = 0;
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gst_mpegts_descriptor_parse_dvb_teletext_idx (desc, j, &lang, &type,
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&magazine, &page_number); j++) {
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g_printf ("%*s Teletext, type:0x%02x (%s)\n", spacing, "", type,
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enum_name (GST_TYPE_MPEGTS_DVB_TELETEXT_TYPE, type));
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g_printf ("%*s language : %s\n", spacing, "", lang);
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g_printf ("%*s magazine : %u\n", spacing, "", magazine);
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g_printf ("%*s page number : %u\n", spacing, "", page_number);
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g_free (lang);
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}
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}
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break;
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default:
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break;
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}
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}
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static void
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dump_descriptors (GPtrArray * descriptors, guint spacing)
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{
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@ -529,273 +795,34 @@ dump_descriptors (GPtrArray * descriptors, guint spacing)
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desc->tag, descriptor_name (desc), desc->length);
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if (DUMP_DESCRIPTORS)
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dump_memory_content (desc, spacing + 2);
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switch (desc->tag) {
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case GST_MTS_DESC_REGISTRATION:
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{
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const guint8 *data = desc->data + 2;
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#define SAFE_CHAR(a) (g_ascii_isprint(a) ? a : '.')
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g_printf ("%*s Registration : %c%c%c%c [%02x%02x%02x%02x]\n", spacing,
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"", SAFE_CHAR (data[0]), SAFE_CHAR (data[1]), SAFE_CHAR (data[2]),
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SAFE_CHAR (data[3]), data[0], data[1], data[2], data[3]);
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dump_generic_descriptor (desc, spacing + 2);
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}
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}
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break;
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}
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case GST_MTS_DESC_CA:
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{
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guint16 ca_pid, ca_system_id;
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const guint8 *private_data;
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gsize private_data_size;
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if (gst_mpegts_descriptor_parse_ca (desc, &ca_system_id, &ca_pid,
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&private_data, &private_data_size)) {
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g_printf ("%*s CA system id : 0x%04x\n", spacing, "", ca_system_id);
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g_printf ("%*s CA PID : 0x%04x\n", spacing, "", ca_pid);
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if (private_data_size) {
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g_printf ("%*s Private Data :\n", spacing, "");
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dump_memory_bytes ((guint8 *) private_data, private_data_size,
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spacing + 2);
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}
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}
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break;
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}
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case GST_MTS_DESC_DVB_NETWORK_NAME:
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{
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gchar *network_name;
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if (gst_mpegts_descriptor_parse_dvb_network_name (desc, &network_name)) {
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g_printf ("%*s Network Name : %s\n", spacing, "", network_name);
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g_free (network_name);
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}
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break;
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}
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case GST_MTS_DESC_DVB_SERVICE_LIST:
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{
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dump_dvb_service_list (desc, spacing + 2);
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break;
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}
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case GST_MTS_DESC_DVB_CABLE_DELIVERY_SYSTEM:
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dump_cable_delivery_descriptor (desc, spacing + 2);
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break;
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case GST_MTS_DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM:
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dump_terrestrial_delivery (desc, spacing + 2);
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break;
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case GST_MTS_DESC_DVB_BOUQUET_NAME:
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{
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gchar *bouquet_name;
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if (gst_mpegts_descriptor_parse_dvb_bouquet_name (desc, &bouquet_name)) {
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g_printf ("%*s Bouquet Name Descriptor, bouquet_name:%s\n", spacing,
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"", bouquet_name);
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g_free (bouquet_name);
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}
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break;
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}
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static void
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dump_nit_descriptors (GPtrArray * descriptors, guint spacing)
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{
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/* Descriptors that can only appear in NIT */
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guint i;
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for (i = 0; i < descriptors->len; i++) {
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GstMpegtsDescriptor *desc = g_ptr_array_index (descriptors, i);
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g_printf ("%*s [descriptor 0x%02x (%s) length:%d]\n", spacing, "",
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desc->tag, descriptor_name (desc), desc->length);
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if (DUMP_DESCRIPTORS)
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dump_memory_content (desc, spacing + 2);
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switch (desc->tag) {
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case GST_MTS_DESC_DTG_LOGICAL_CHANNEL:
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dump_logical_channel_descriptor (desc, spacing + 2);
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break;
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case GST_MTS_DESC_DVB_SERVICE:
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{
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gchar *service_name, *provider_name;
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GstMpegtsDVBServiceType service_type;
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if (gst_mpegts_descriptor_parse_dvb_service (desc, &service_type,
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&service_name, &provider_name)) {
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g_printf ("%*s Service Descriptor, type:0x%02x (%s)\n", spacing, "",
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service_type, enum_name (GST_TYPE_MPEGTS_DVB_SERVICE_TYPE,
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service_type));
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g_printf ("%*s service_name : %s\n", spacing, "", service_name);
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g_printf ("%*s provider_name : %s\n", spacing, "",
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provider_name);
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g_free (service_name);
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g_free (provider_name);
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}
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break;
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}
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case GST_MTS_DESC_DVB_MULTILINGUAL_BOUQUET_NAME:
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{
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dump_multiligual_bouquet_name (desc, spacing + 2);
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break;
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}
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case GST_MTS_DESC_DVB_MULTILINGUAL_NETWORK_NAME:
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{
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dump_multiligual_network_name (desc, spacing + 2);
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break;
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}
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case GST_MTS_DESC_DVB_MULTILINGUAL_SERVICE_NAME:
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{
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dump_multiligual_service_name (desc, spacing + 2);
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break;
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}
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case GST_MTS_DESC_DVB_MULTILINGUAL_COMPONENT:
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{
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dump_multiligual_component (desc, spacing + 2);
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break;
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}
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case GST_MTS_DESC_DVB_PRIVATE_DATA_SPECIFIER:
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{
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guint32 specifier;
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guint8 len = 0, *data = NULL;
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if (gst_mpegts_descriptor_parse_dvb_private_data_specifier (desc,
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&specifier, &data, &len)) {
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g_printf ("%*s private_data_specifier : 0x%08x\n", spacing, "",
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specifier);
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if (len > 0) {
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dump_memory_bytes (data, len, spacing + 2);
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g_free (data);
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}
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}
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break;
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}
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case GST_MTS_DESC_DVB_FREQUENCY_LIST:
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{
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gboolean offset;
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GArray *list;
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if (gst_mpegts_descriptor_parse_dvb_frequency_list (desc, &offset,
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&list)) {
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guint j;
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for (j = 0; j < list->len; j++) {
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guint32 freq = g_array_index (list, guint32, j);
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g_printf ("%*s Frequency : %u %s\n", spacing, "", freq,
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offset ? "kHz" : "Hz");
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}
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g_array_unref (list);
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}
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break;
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||||
}
|
||||
case GST_MTS_DESC_DVB_LINKAGE:
|
||||
dump_linkage (desc, spacing + 2);
|
||||
break;
|
||||
case GST_MTS_DESC_DVB_COMPONENT:
|
||||
dump_component (desc, spacing + 2);
|
||||
break;
|
||||
case GST_MTS_DESC_DVB_STREAM_IDENTIFIER:
|
||||
{
|
||||
guint8 tag;
|
||||
if (gst_mpegts_descriptor_parse_dvb_stream_identifier (desc, &tag)) {
|
||||
g_printf ("%*s Component Tag : 0x%02x\n", spacing, "", tag);
|
||||
}
|
||||
break;
|
||||
}
|
||||
case GST_MTS_DESC_DVB_CA_IDENTIFIER:
|
||||
{
|
||||
GArray *list;
|
||||
guint j;
|
||||
guint16 ca_id;
|
||||
if (gst_mpegts_descriptor_parse_dvb_ca_identifier (desc, &list)) {
|
||||
for (j = 0; j < list->len; j++) {
|
||||
ca_id = g_array_index (list, guint16, j);
|
||||
g_printf ("%*s CA Identifier : 0x%04x\n", spacing, "", ca_id);
|
||||
}
|
||||
g_array_unref (list);
|
||||
}
|
||||
break;
|
||||
}
|
||||
case GST_MTS_DESC_DVB_CONTENT:
|
||||
dump_content (desc, spacing + 2);
|
||||
break;
|
||||
case GST_MTS_DESC_DVB_PARENTAL_RATING:
|
||||
{
|
||||
GPtrArray *ratings;
|
||||
guint j;
|
||||
|
||||
if (gst_mpegts_descriptor_parse_dvb_parental_rating (desc, &ratings)) {
|
||||
for (j = 0; j < ratings->len; j++) {
|
||||
GstMpegtsDVBParentalRatingItem *item =
|
||||
g_ptr_array_index (ratings, j);
|
||||
g_printf ("%*s country_code : %s\n", spacing, "",
|
||||
item->country_code);
|
||||
g_printf ("%*s rating age : %d\n", spacing, "", item->rating);
|
||||
}
|
||||
g_ptr_array_unref (ratings);
|
||||
}
|
||||
break;
|
||||
}
|
||||
case GST_MTS_DESC_DVB_DATA_BROADCAST:
|
||||
{
|
||||
GstMpegtsDataBroadcastDescriptor *res;
|
||||
|
||||
if (gst_mpegts_descriptor_parse_dvb_data_broadcast (desc, &res)) {
|
||||
g_printf ("%*s data_broadcast_id : 0x%04x\n", spacing, "",
|
||||
res->data_broadcast_id);
|
||||
g_printf ("%*s component_tag : 0x%02x\n", spacing, "",
|
||||
res->component_tag);
|
||||
if (res->length > 0) {
|
||||
g_printf ("%*s selector_bytes:\n", spacing, "");
|
||||
dump_memory_bytes (res->selector_bytes, res->length, spacing + 2);
|
||||
}
|
||||
g_printf ("%*s text : %s\n", spacing, "",
|
||||
res->text ? res->text : "NULL");
|
||||
gst_mpegts_dvb_data_broadcast_descriptor_free (res);
|
||||
}
|
||||
break;
|
||||
}
|
||||
case GST_MTS_DESC_ISO_639_LANGUAGE:
|
||||
dump_iso_639_language (desc, spacing + 2);
|
||||
break;
|
||||
case GST_MTS_DESC_DVB_SHORT_EVENT:
|
||||
{
|
||||
gchar *language_code, *event_name, *text;
|
||||
if (gst_mpegts_descriptor_parse_dvb_short_event (desc, &language_code,
|
||||
&event_name, &text)) {
|
||||
g_printf ("%*s Short Event, language_code:%s\n", spacing, "",
|
||||
language_code);
|
||||
g_printf ("%*s event_name : %s\n", spacing, "", event_name);
|
||||
g_printf ("%*s text : %s\n", spacing, "", text);
|
||||
g_free (language_code);
|
||||
g_free (event_name);
|
||||
g_free (text);
|
||||
}
|
||||
}
|
||||
break;
|
||||
case GST_MTS_DESC_DVB_EXTENDED_EVENT:
|
||||
{
|
||||
dump_dvb_extended_event (desc, spacing + 2);
|
||||
break;
|
||||
}
|
||||
case GST_MTS_DESC_DVB_SUBTITLING:
|
||||
{
|
||||
gchar *lang;
|
||||
guint8 type;
|
||||
guint16 composition;
|
||||
guint16 ancillary;
|
||||
guint j;
|
||||
|
||||
for (j = 0;
|
||||
gst_mpegts_descriptor_parse_dvb_subtitling_idx (desc, j, &lang,
|
||||
&type, &composition, &ancillary); j++) {
|
||||
g_printf ("%*s Subtitling, language_code:%s\n", spacing, "", lang);
|
||||
g_printf ("%*s type : %u\n", spacing, "", type);
|
||||
g_printf ("%*s composition page id : %u\n", spacing, "",
|
||||
composition);
|
||||
g_printf ("%*s ancillary page id : %u\n", spacing, "",
|
||||
ancillary);
|
||||
g_free (lang);
|
||||
}
|
||||
}
|
||||
break;
|
||||
case GST_MTS_DESC_DVB_TELETEXT:
|
||||
{
|
||||
GstMpegtsDVBTeletextType type;
|
||||
gchar *lang;
|
||||
guint8 magazine, page_number;
|
||||
guint j;
|
||||
|
||||
for (j = 0;
|
||||
gst_mpegts_descriptor_parse_dvb_teletext_idx (desc, j, &lang, &type,
|
||||
&magazine, &page_number); j++) {
|
||||
g_printf ("%*s Teletext, type:0x%02x (%s)\n", spacing, "", type,
|
||||
enum_name (GST_TYPE_MPEGTS_DVB_TELETEXT_TYPE, type));
|
||||
g_printf ("%*s language : %s\n", spacing, "", lang);
|
||||
g_printf ("%*s magazine : %u\n", spacing, "", magazine);
|
||||
g_printf ("%*s page number : %u\n", spacing, "", page_number);
|
||||
g_free (lang);
|
||||
}
|
||||
}
|
||||
break;
|
||||
default:
|
||||
dump_generic_descriptor (desc, spacing + 2);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
dump_pat (GstMpegtsSection * section)
|
||||
{
|
||||
|
|
@ -989,7 +1016,7 @@ dump_nit (GstMpegtsSection * section)
|
|||
g_printf
|
||||
(" transport_stream_id:0x%04x , original_network_id:0x%02x\n",
|
||||
stream->transport_stream_id, stream->original_network_id);
|
||||
dump_descriptors (stream->descriptors, 9);
|
||||
dump_nit_descriptors (stream->descriptors, 9);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue