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 2020-12-14 10:56:39 +01:00 committed by Edward Hervey
parent 160106885a
commit d75ee7b16d

View file

@ -518,6 +518,272 @@ dump_dvb_extended_event (GstMpegtsDescriptor * desc, guint spacing)
}
}
#define SAFE_CHAR(a) (g_ascii_isprint(a) ? a : '.')
/* Single descriptor dump
* Descriptors that can only appear in specific tables should be handled before */
static void
dump_generic_descriptor (GstMpegtsDescriptor * desc, guint spacing)
{
switch (desc->tag) {
case GST_MTS_DESC_REGISTRATION:
{
const guint8 *data = desc->data + 2;
g_printf ("%*s Registration : %c%c%c%c [%02x%02x%02x%02x]\n", spacing,
"", SAFE_CHAR (data[0]), SAFE_CHAR (data[1]), SAFE_CHAR (data[2]),
SAFE_CHAR (data[3]), data[0], data[1], data[2], data[3]);
break;
}
case GST_MTS_DESC_CA:
{
guint16 ca_pid, ca_system_id;
const guint8 *private_data;
gsize private_data_size;
if (gst_mpegts_descriptor_parse_ca (desc, &ca_system_id, &ca_pid,
&private_data, &private_data_size)) {
g_printf ("%*s CA system id : 0x%04x\n", spacing, "", ca_system_id);
g_printf ("%*s CA PID : 0x%04x\n", spacing, "", ca_pid);
if (private_data_size) {
g_printf ("%*s Private Data :\n", spacing, "");
dump_memory_bytes ((guint8 *) private_data, private_data_size,
spacing + 2);
}
}
break;
}
case GST_MTS_DESC_DVB_NETWORK_NAME:
{
gchar *network_name;
if (gst_mpegts_descriptor_parse_dvb_network_name (desc, &network_name)) {
g_printf ("%*s Network Name : %s\n", spacing, "", network_name);
g_free (network_name);
}
break;
}
case GST_MTS_DESC_DVB_SERVICE_LIST:
{
dump_dvb_service_list (desc, spacing + 2);
break;
}
case GST_MTS_DESC_DVB_CABLE_DELIVERY_SYSTEM:
dump_cable_delivery_descriptor (desc, spacing + 2);
break;
case GST_MTS_DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM:
dump_terrestrial_delivery (desc, spacing + 2);
break;
case GST_MTS_DESC_DVB_BOUQUET_NAME:
{
gchar *bouquet_name;
if (gst_mpegts_descriptor_parse_dvb_bouquet_name (desc, &bouquet_name)) {
g_printf ("%*s Bouquet Name Descriptor, bouquet_name:%s\n", spacing,
"", bouquet_name);
g_free (bouquet_name);
}
break;
}
case GST_MTS_DESC_DVB_SERVICE:
{
gchar *service_name, *provider_name;
GstMpegtsDVBServiceType service_type;
if (gst_mpegts_descriptor_parse_dvb_service (desc, &service_type,
&service_name, &provider_name)) {
g_printf ("%*s Service Descriptor, type:0x%02x (%s)\n", spacing, "",
service_type, enum_name (GST_TYPE_MPEGTS_DVB_SERVICE_TYPE,
service_type));
g_printf ("%*s service_name : %s\n", spacing, "", service_name);
g_printf ("%*s provider_name : %s\n", spacing, "", provider_name);
g_free (service_name);
g_free (provider_name);
}
break;
}
case GST_MTS_DESC_DVB_MULTILINGUAL_BOUQUET_NAME:
{
dump_multiligual_bouquet_name (desc, spacing + 2);
break;
}
case GST_MTS_DESC_DVB_MULTILINGUAL_NETWORK_NAME:
{
dump_multiligual_network_name (desc, spacing + 2);
break;
}
case GST_MTS_DESC_DVB_MULTILINGUAL_SERVICE_NAME:
{
dump_multiligual_service_name (desc, spacing + 2);
break;
}
case GST_MTS_DESC_DVB_MULTILINGUAL_COMPONENT:
{
dump_multiligual_component (desc, spacing + 2);
break;
}
case GST_MTS_DESC_DVB_PRIVATE_DATA_SPECIFIER:
{
guint32 specifier;
guint8 len = 0, *data = NULL;
if (gst_mpegts_descriptor_parse_dvb_private_data_specifier (desc,
&specifier, &data, &len)) {
g_printf ("%*s private_data_specifier : 0x%08x\n", spacing, "",
specifier);
if (len > 0) {
dump_memory_bytes (data, len, spacing + 2);
g_free (data);
}
}
break;
}
case GST_MTS_DESC_DVB_FREQUENCY_LIST:
{
gboolean offset;
GArray *list;
if (gst_mpegts_descriptor_parse_dvb_frequency_list (desc, &offset, &list)) {
guint j;
for (j = 0; j < list->len; j++) {
guint32 freq = g_array_index (list, guint32, j);
g_printf ("%*s Frequency : %u %s\n", spacing, "", freq,
offset ? "kHz" : "Hz");
}
g_array_unref (list);
}
break;
}
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:
break;
}
}
static void
dump_descriptors (GPtrArray * descriptors, guint spacing)
{
@ -529,273 +795,34 @@ dump_descriptors (GPtrArray * descriptors, guint spacing)
desc->tag, descriptor_name (desc), desc->length);
if (DUMP_DESCRIPTORS)
dump_memory_content (desc, spacing + 2);
switch (desc->tag) {
case GST_MTS_DESC_REGISTRATION:
{
const guint8 *data = desc->data + 2;
#define SAFE_CHAR(a) (g_ascii_isprint(a) ? a : '.')
g_printf ("%*s Registration : %c%c%c%c [%02x%02x%02x%02x]\n", spacing,
"", SAFE_CHAR (data[0]), SAFE_CHAR (data[1]), SAFE_CHAR (data[2]),
SAFE_CHAR (data[3]), data[0], data[1], data[2], data[3]);
dump_generic_descriptor (desc, spacing + 2);
}
}
break;
}
case GST_MTS_DESC_CA:
{
guint16 ca_pid, ca_system_id;
const guint8 *private_data;
gsize private_data_size;
if (gst_mpegts_descriptor_parse_ca (desc, &ca_system_id, &ca_pid,
&private_data, &private_data_size)) {
g_printf ("%*s CA system id : 0x%04x\n", spacing, "", ca_system_id);
g_printf ("%*s CA PID : 0x%04x\n", spacing, "", ca_pid);
if (private_data_size) {
g_printf ("%*s Private Data :\n", spacing, "");
dump_memory_bytes ((guint8 *) private_data, private_data_size,
spacing + 2);
}
}
break;
}
case GST_MTS_DESC_DVB_NETWORK_NAME:
{
gchar *network_name;
if (gst_mpegts_descriptor_parse_dvb_network_name (desc, &network_name)) {
g_printf ("%*s Network Name : %s\n", spacing, "", network_name);
g_free (network_name);
}
break;
}
case GST_MTS_DESC_DVB_SERVICE_LIST:
{
dump_dvb_service_list (desc, spacing + 2);
break;
}
case GST_MTS_DESC_DVB_CABLE_DELIVERY_SYSTEM:
dump_cable_delivery_descriptor (desc, spacing + 2);
break;
case GST_MTS_DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM:
dump_terrestrial_delivery (desc, spacing + 2);
break;
case GST_MTS_DESC_DVB_BOUQUET_NAME:
{
gchar *bouquet_name;
if (gst_mpegts_descriptor_parse_dvb_bouquet_name (desc, &bouquet_name)) {
g_printf ("%*s Bouquet Name Descriptor, bouquet_name:%s\n", spacing,
"", bouquet_name);
g_free (bouquet_name);
}
break;
}
static void
dump_nit_descriptors (GPtrArray * descriptors, guint spacing)
{
/* Descriptors that can only appear in NIT */
guint i;
for (i = 0; i < descriptors->len; i++) {
GstMpegtsDescriptor *desc = g_ptr_array_index (descriptors, i);
g_printf ("%*s [descriptor 0x%02x (%s) length:%d]\n", spacing, "",
desc->tag, descriptor_name (desc), desc->length);
if (DUMP_DESCRIPTORS)
dump_memory_content (desc, spacing + 2);
switch (desc->tag) {
case GST_MTS_DESC_DTG_LOGICAL_CHANNEL:
dump_logical_channel_descriptor (desc, spacing + 2);
break;
case GST_MTS_DESC_DVB_SERVICE:
{
gchar *service_name, *provider_name;
GstMpegtsDVBServiceType service_type;
if (gst_mpegts_descriptor_parse_dvb_service (desc, &service_type,
&service_name, &provider_name)) {
g_printf ("%*s Service Descriptor, type:0x%02x (%s)\n", spacing, "",
service_type, enum_name (GST_TYPE_MPEGTS_DVB_SERVICE_TYPE,
service_type));
g_printf ("%*s service_name : %s\n", spacing, "", service_name);
g_printf ("%*s provider_name : %s\n", spacing, "",
provider_name);
g_free (service_name);
g_free (provider_name);
}
break;
}
case GST_MTS_DESC_DVB_MULTILINGUAL_BOUQUET_NAME:
{
dump_multiligual_bouquet_name (desc, spacing + 2);
break;
}
case GST_MTS_DESC_DVB_MULTILINGUAL_NETWORK_NAME:
{
dump_multiligual_network_name (desc, spacing + 2);
break;
}
case GST_MTS_DESC_DVB_MULTILINGUAL_SERVICE_NAME:
{
dump_multiligual_service_name (desc, spacing + 2);
break;
}
case GST_MTS_DESC_DVB_MULTILINGUAL_COMPONENT:
{
dump_multiligual_component (desc, spacing + 2);
break;
}
case GST_MTS_DESC_DVB_PRIVATE_DATA_SPECIFIER:
{
guint32 specifier;
guint8 len = 0, *data = NULL;
if (gst_mpegts_descriptor_parse_dvb_private_data_specifier (desc,
&specifier, &data, &len)) {
g_printf ("%*s private_data_specifier : 0x%08x\n", spacing, "",
specifier);
if (len > 0) {
dump_memory_bytes (data, len, spacing + 2);
g_free (data);
}
}
break;
}
case GST_MTS_DESC_DVB_FREQUENCY_LIST:
{
gboolean offset;
GArray *list;
if (gst_mpegts_descriptor_parse_dvb_frequency_list (desc, &offset,
&list)) {
guint j;
for (j = 0; j < list->len; j++) {
guint32 freq = g_array_index (list, guint32, j);
g_printf ("%*s Frequency : %u %s\n", spacing, "", freq,
offset ? "kHz" : "Hz");
}
g_array_unref (list);
}
break;
}
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);
}
}