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gstreamer/tests/examples/mpegts/ts-parser.c

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/* GStreamer
*
* ts-parser.c: sample application to display mpeg-ts info from any pipeline
* Copyright (C) 2013
* Edward Hervey <bilboed@gmail.com>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#define DUMP_DESCRIPTORS 0
#include <glib.h>
#include <glib-object.h>
#include <glib/gprintf.h>
#include <gst/gst.h>
#include <gst/mpegts/mpegts.h>
static void
gst_info_dump_mem_line (gchar * linebuf, gsize linebuf_size,
const guint8 * mem, gsize mem_offset, gsize mem_size)
{
gchar hexstr[50], ascstr[18], digitstr[4];
if (mem_size > 16)
mem_size = 16;
hexstr[0] = '\0';
ascstr[0] = '\0';
if (mem != NULL) {
guint i = 0;
mem += mem_offset;
while (i < mem_size) {
ascstr[i] = (g_ascii_isprint (mem[i])) ? mem[i] : '.';
g_snprintf (digitstr, sizeof (digitstr), "%02x ", mem[i]);
g_strlcat (hexstr, digitstr, sizeof (hexstr));
++i;
}
ascstr[i] = '\0';
}
g_snprintf (linebuf, linebuf_size, "%08x: %-48.48s %-16.16s",
(guint) mem_offset, hexstr, ascstr);
}
static void
dump_memory_bytes (guint8 * data, guint len, guint spacing)
{
gsize off = 0;
while (off < len) {
gchar buf[128];
/* gst_info_dump_mem_line will process 16 bytes at most */
gst_info_dump_mem_line (buf, sizeof (buf), data, off, len - off);
g_printf ("%*s %s\n", spacing, "", buf);
off += 16;
}
}
#define dump_memory_content(desc, spacing) dump_memory_bytes((desc)->data + 2, (desc)->length, spacing)
static const gchar *
descriptor_name (gint val)
{
GEnumValue *en;
en = g_enum_get_value (G_ENUM_CLASS (g_type_class_peek
(GST_TYPE_MPEG_TS_DESCRIPTOR_TYPE)), val);
if (en == NULL)
/* Else try with DVB enum types */
en = g_enum_get_value (G_ENUM_CLASS (g_type_class_peek
(GST_TYPE_MPEG_TS_DVB_DESCRIPTOR_TYPE)), val);
if (en == NULL)
/* Else try with ATSC enum types */
en = g_enum_get_value (G_ENUM_CLASS (g_type_class_peek
(GST_TYPE_MPEG_TS_ATSC_DESCRIPTOR_TYPE)), val);
if (en == NULL)
/* Else try with ISB enum types */
en = g_enum_get_value (G_ENUM_CLASS (g_type_class_peek
(GST_TYPE_MPEG_TS_ISDB_DESCRIPTOR_TYPE)), val);
if (en == NULL)
/* Else try with misc enum types */
en = g_enum_get_value (G_ENUM_CLASS (g_type_class_peek
(GST_TYPE_MPEG_TS_MISC_DESCRIPTOR_TYPE)), val);
if (en == NULL)
return "UNKNOWN/PRIVATE";
return en->value_nick;
}
static const gchar *
table_id_name (gint val)
{
GEnumValue *en;
en = g_enum_get_value (G_ENUM_CLASS (g_type_class_peek
(GST_TYPE_MPEG_TS_SECTION_TABLE_ID)), val);
if (en == NULL)
/* Else try with DVB enum types */
en = g_enum_get_value (G_ENUM_CLASS (g_type_class_peek
(GST_TYPE_MPEG_TS_SECTION_DVB_TABLE_ID)), val);
if (en == NULL)
/* Else try with ATSC enum types */
en = g_enum_get_value (G_ENUM_CLASS (g_type_class_peek
(GST_TYPE_MPEG_TS_SECTION_ATSC_TABLE_ID)), val);
if (en == NULL)
/* Else try with SCTE enum types */
en = g_enum_get_value (G_ENUM_CLASS (g_type_class_peek
(GST_TYPE_MPEG_TS_SECTION_SCTE_TABLE_ID)), val);
if (en == NULL)
return "UNKNOWN/PRIVATE";
return en->value_nick;
}
static const gchar *
enum_name (GType instance_type, gint val)
{
GEnumValue *en;
en = g_enum_get_value (G_ENUM_CLASS (g_type_class_peek (instance_type)), val);
if (!en)
return "UNKNOWN/PRIVATE";
return en->value_nick;
}
static void
dump_cable_delivery_descriptor (GstMpegTsDescriptor * desc, guint spacing)
{
GstMpegTsCableDeliverySystemDescriptor res;
if (gst_mpegts_descriptor_parse_cable_delivery_system (desc, &res)) {
g_printf ("%*s Cable Delivery Descriptor\n", spacing, "");
g_printf ("%*s Frequency : %d Hz\n", spacing, "", res.frequency);
g_printf ("%*s Outer FEC : %d (%s)\n", spacing, "", res.outer_fec,
enum_name (GST_TYPE_MPEG_TS_CABLE_OUTER_FEC_SCHEME, res.outer_fec));
g_printf ("%*s modulation : %d (%s)\n", spacing, "", res.modulation,
enum_name (GST_TYPE_MPEG_TS_MODULATION_TYPE, res.modulation));
g_printf ("%*s Symbol rate : %d sym/s\n", spacing, "", res.symbol_rate);
g_printf ("%*s Inner FEC : %d (%s)\n", spacing, "", res.fec_inner,
enum_name (GST_TYPE_MPEG_TS_DVB_CODE_RATE, res.fec_inner));
}
}
static void
dump_terrestrial_delivery (GstMpegTsDescriptor * desc, guint spacing)
{
GstMpegTsTerrestrialDeliverySystemDescriptor res;
if (gst_mpegts_descriptor_parse_terrestrial_delivery_system (desc, &res)) {
g_printf ("%*s Terrestrial Delivery Descriptor\n", spacing, "");
g_printf ("%*s Frequency : %d Hz\n", spacing, "", res.frequency);
g_printf ("%*s Bandwidth : %d Hz\n", spacing, "", res.bandwidth);
g_printf ("%*s Priority : %s\n", spacing, "",
res.priority ? "TRUE" : "FALSE");
g_printf ("%*s Time slicing : %s\n", spacing, "",
res.time_slicing ? "TRUE" : "FALSE");
g_printf ("%*s MPE FEC : %s\n", spacing, "",
res.mpe_fec ? "TRUE" : "FALSE");
g_printf ("%*s Constellation : %d (%s)\n", spacing, "",
res.constellation, enum_name (GST_TYPE_MPEG_TS_MODULATION_TYPE,
res.constellation));
g_printf ("%*s Hierarchy : %d (%s)\n", spacing, "", res.hierarchy,
enum_name (GST_TYPE_MPEG_TS_TERRESTRIAL_HIERARCHY, res.hierarchy));
g_printf ("%*s Code Rate HP : %d (%s)\n", spacing, "",
res.code_rate_hp, enum_name (GST_TYPE_MPEG_TS_DVB_CODE_RATE,
res.code_rate_hp));
g_printf ("%*s Code Rate LP : %d (%s)\n", spacing, "",
res.code_rate_lp, enum_name (GST_TYPE_MPEG_TS_DVB_CODE_RATE,
res.code_rate_lp));
g_printf ("%*s Guard Interval : %d (%s)\n", spacing, "",
res.guard_interval,
enum_name (GST_TYPE_MPEG_TS_TERRESTRIAL_GUARD_INTERVAL,
res.guard_interval));
g_printf ("%*s Transmission Mode : %d (%s)\n", spacing, "",
res.transmission_mode,
enum_name (GST_TYPE_MPEG_TS_TERRESTRIAL_TRANSMISSION_MODE,
res.transmission_mode));
g_printf ("%*s Other Frequency : %s\n", spacing, "",
res.other_frequency ? "TRUE" : "FALSE");
}
}
static void
dump_dvb_service_list (GstMpegTsDescriptor * desc, guint spacing)
{
GPtrArray *res;
if (gst_mpegts_descriptor_parse_dvb_service_list (desc, &res)) {
guint i;
g_printf ("%*s DVB Service List Descriptor\n", spacing, "");
for (i = 0; i < res->len; i++) {
GstMpegTsDVBServiceListItem *item = g_ptr_array_index (res, i);
g_printf ("%*s Service #%d, id:0x%04x, type:0x%x (%s)\n",
spacing, "", i, item->service_id, item->type,
enum_name (GST_TYPE_MPEG_TS_DVB_SERVICE_TYPE, item->type));
}
g_ptr_array_unref (res);
}
}
static void
dump_logical_channel_descriptor (GstMpegTsDescriptor * desc, guint spacing)
{
GstMpegTsLogicalChannelDescriptor res;
guint i;
if (gst_mpegts_descriptor_parse_logical_channel (desc, &res)) {
g_printf ("%*s Logical Channel Descriptor (%d channels)\n", spacing, "",
res.nb_channels);
for (i = 0; i < res.nb_channels; i++) {
GstMpegTsLogicalChannel *chann = &res.channels[i];
g_printf ("%*s service_id: 0x%04x, logical channel number:%4d\n",
spacing, "", chann->service_id, chann->logical_channel_number);
}
}
}
static void
dump_multiligual_network_name (GstMpegTsDescriptor * desc, guint spacing)
{
GPtrArray *items;
if (gst_mpegts_descriptor_parse_dvb_multilingual_network_name (desc, &items)) {
guint i;
for (i = 0; i < items->len; i++) {
GstMpegTsDvbMultilingualNetworkNameItem *item =
g_ptr_array_index (items, i);
g_printf ("%*s item : %u\n", spacing, "", i);
g_printf ("%*s language_code : %s\n", spacing, "", item->language_code);
g_printf ("%*s network_name : %s\n", spacing, "", item->network_name);
}
g_ptr_array_unref (items);
}
}
static void
dump_multiligual_bouquet_name (GstMpegTsDescriptor * desc, guint spacing)
{
GPtrArray *items;
if (gst_mpegts_descriptor_parse_dvb_multilingual_bouquet_name (desc, &items)) {
guint i;
for (i = 0; i < items->len; i++) {
GstMpegTsDvbMultilingualBouquetNameItem *item =
g_ptr_array_index (items, i);
g_printf ("%*s item : %u\n", spacing, "", i);
g_printf ("%*s language_code : %s\n", spacing, "", item->language_code);
g_printf ("%*s bouguet_name : %s\n", spacing, "", item->bouquet_name);
}
g_ptr_array_unref (items);
}
}
static void
dump_multiligual_service_name (GstMpegTsDescriptor * desc, guint spacing)
{
GPtrArray *items;
if (gst_mpegts_descriptor_parse_dvb_multilingual_service_name (desc, &items)) {
guint i;
for (i = 0; i < items->len; i++) {
GstMpegTsDvbMultilingualServiceNameItem *item =
g_ptr_array_index (items, i);
g_printf ("%*s item : %u\n", spacing, "", i);
g_printf ("%*s language_code : %s\n", spacing, "", item->language_code);
g_printf ("%*s service_name : %s\n", spacing, "", item->service_name);
g_printf ("%*s provider_name : %s\n", spacing, "", item->provider_name);
}
g_ptr_array_unref (items);
}
}
static void
dump_multiligual_component (GstMpegTsDescriptor * desc, guint spacing)
{
GPtrArray *items;
guint8 tag;
if (gst_mpegts_descriptor_parse_dvb_multilingual_component (desc, &tag,
&items)) {
guint8 i;
g_printf ("%*s component_tag : 0x%02x\n", spacing, "", tag);
for (i = 0; i < items->len; i++) {
GstMpegTsDvbMultilingualComponentItem *item =
g_ptr_array_index (items, i);
g_printf ("%*s item : %u\n", spacing, "", i);
g_printf ("%*s language_code : %s\n", spacing, "",
item->language_code);
g_printf ("%*s description : %s\n", spacing, "", item->description);
}
g_ptr_array_unref (items);
}
}
static void
dump_linkage (GstMpegTsDescriptor * desc, guint spacing)
{
GstMpegTsDVBLinkageDescriptor res;
res.private_data_length = 0;
res.private_data_bytes = NULL;
if (gst_mpegts_descriptor_parse_dvb_linkage (desc, &res)) {
g_printf ("%*s Linkage Descriptor : 0x%02x (%s)\n", spacing, "",
res.linkage_type, enum_name (GST_TYPE_MPEG_TS_DVB_LINKAGE_TYPE,
res.linkage_type));
g_printf ("%*s Transport Stream ID : 0x%04x\n", spacing, "",
res.transport_stream_id);
g_printf ("%*s Original Network ID : 0x%04x\n", spacing, "",
res.original_network_id);
g_printf ("%*s Service ID : 0x%04x\n", spacing, "",
res.service_id);
switch (res.linkage_type) {
case GST_MPEGTS_DVB_LINKAGE_MOBILE_HAND_OVER:
{
GstMpegTsDVBLinkageMobileHandOver *linkage =
(GstMpegTsDVBLinkageMobileHandOver *) res.linkage_data;
g_printf ("%*s hand_over_type : 0x%02x (%s)\n", spacing,
"", linkage->hand_over_type,
enum_name (GST_TYPE_MPEG_TS_DVB_LINKAGE_HAND_OVER_TYPE,
linkage->hand_over_type));
g_printf ("%*s origin_type : %s\n", spacing, "",
linkage->origin_type ? "SDT" : "NIT");
g_printf ("%*s network_id : 0x%04x\n", spacing, "",
linkage->network_id);
g_printf ("%*s initial_service_id: 0x%04x\n", spacing, "",
linkage->initial_service_id);
break;
}
case GST_MPEGTS_DVB_LINKAGE_EVENT:
{
GstMpegTsDVBLinkageEvent *linkage =
(GstMpegTsDVBLinkageEvent *) res.linkage_data;
g_printf ("%*s target_event_id : 0x%04x\n", spacing, "",
linkage->target_event_id);
g_printf ("%*s target_listed : %s\n", spacing, "",
linkage->target_listed ? "TRUE" : "FALSE");
g_printf ("%*s event_simulcast : %s\n", spacing, "",
linkage->event_simulcast ? "TRUE" : "FALSE");
break;
}
case GST_MPEGTS_DVB_LINKAGE_EXTENDED_EVENT:
{
guint i;
GPtrArray *items = (GPtrArray *) res.linkage_data;
for (i = 0; i < items->len; i++) {
GstMpegTsDVBLinkageExtendedEvent *linkage =
g_ptr_array_index (items, i);
g_printf ("%*s target_event_id : 0x%04x\n", spacing, "",
linkage->target_event_id);
g_printf ("%*s target_listed : %s\n", spacing, "",
linkage->target_listed ? "TRUE" : "FALSE");
g_printf ("%*s event_simulcast : %s\n", spacing, "",
linkage->event_simulcast ? "TRUE" : "FALSE");
g_printf ("%*s link_type : 0x%01x\n", spacing, "",
linkage->link_type);
g_printf ("%*s target_id_type : 0x%01x\n", spacing, "",
linkage->target_id_type);
g_printf ("%*s original_network_id_flag : %s\n", spacing, "",
linkage->original_network_id_flag ? "TRUE" : "FALSE");
g_printf ("%*s service_id_flag : %s\n", spacing, "",
linkage->service_id_flag ? "TRUE" : "FALSE");
if (linkage->target_id_type == 3) {
g_printf ("%*s user_defined_id : 0x%02x\n", spacing, "",
linkage->user_defined_id);
} else {
if (linkage->target_id_type == 1)
g_printf ("%*s target_transport_stream_id : 0x%04x\n",
spacing, "", linkage->target_transport_stream_id);
if (linkage->original_network_id_flag)
g_printf ("%*s target_original_network_id : 0x%04x\n",
spacing, "", linkage->target_original_network_id);
if (linkage->service_id_flag)
g_printf ("%*s target_service_id : 0x%04x\n",
spacing, "", linkage->target_service_id);
}
}
break;
}
default:
break;
}
if (res.private_data_length > 0) {
dump_memory_bytes (res.private_data_bytes, res.private_data_length,
spacing + 2);
g_free ((gpointer) res.private_data_bytes);
}
}
}
static void
dump_component (GstMpegTsDescriptor * desc, guint spacing)
{
GstMpegTsComponentDescriptor res;
res.text = NULL;
if (gst_mpegts_descriptor_parse_dvb_component (desc, &res)) {
g_printf ("%*s stream_content : 0x%02x (%s)\n", spacing, "",
res.stream_content,
enum_name (GST_TYPE_MPEG_TS_COMPONENT_STREAM_CONTENT,
res.stream_content));
g_printf ("%*s component_type : 0x%02x\n", spacing, "", res.component_type);
g_printf ("%*s component_tag : 0x%02x\n", spacing, "", res.component_tag);
g_printf ("%*s language_code : %s\n", spacing, "", res.language_code);
g_printf ("%*s text : %s\n", spacing, "",
res.text ? res.text : "NULL");
}
}
static void
dump_content (GstMpegTsDescriptor * desc, guint spacing)
{
GPtrArray *contents;
guint i;
if (gst_mpegts_descriptor_parse_dvb_content (desc, &contents)) {
for (i = 0; i < contents->len; i++) {
GstMpegTsContent *item = g_ptr_array_index (contents, i);
g_printf ("%*s content nibble 1 : 0x%01x (%s)\n", spacing, "",
item->content_nibble_1,
enum_name (GST_TYPE_MPEG_TS_CONTENT_NIBBLE_HI,
item->content_nibble_1));
g_printf ("%*s content nibble 2 : 0x%01x\n", spacing, "",
item->content_nibble_2);
g_printf ("%*s user_byte : 0x%02x\n", spacing, "",
item->user_byte);
}
g_ptr_array_unref (contents);
}
}
static void
dump_iso_639_language (GstMpegTsDescriptor * desc, guint spacing)
{
guint i;
GstMpegTsISO639LanguageDescriptor res;
if (gst_mpegts_descriptor_parse_iso_639_language (desc, &res)) {
for (i = 0; i < res.nb_language; i++)
g_print
("%*s ISO 639 Language Descriptor %c%c%c , audio_type:0x%x (%s)\n",
spacing, "", res.language[i][0], res.language[i][1],
res.language[i][2], res.audio_type[i],
enum_name (GST_TYPE_MPEG_TS_ISO639_AUDIO_TYPE, res.audio_type[i]));
}
}
static void
dump_dvb_extended_event (GstMpegTsDescriptor * desc, guint spacing)
{
GstMpegTsExtendedEventDescriptor res;
if (gst_mpegts_descriptor_parse_dvb_extended_event (desc, &res)) {
guint i;
g_printf ("%*s DVB Extended Event\n", spacing, "");
g_printf ("%*s descriptor_number:%d, last_descriptor_number:%d\n",
spacing, "", res.descriptor_number, res.last_descriptor_number);
g_printf ("%*s language_code:%s\n", spacing, "", res.language_code);
g_printf ("%*s text : %s\n", spacing, "", res.text);
for (i = 0; i < res.items->len; i++) {
GstMpegTsExtendedEventItem *item = g_ptr_array_index (res.items, i);
g_printf ("%*s #%d [description:item] %s : %s\n",
spacing, "", i, item->item_description, item->item);
}
}
}
static void
dump_descriptors (GPtrArray * descriptors, guint spacing)
{
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->tag), 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]);
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_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_MPEG_TS_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:
{
if (!DUMP_DESCRIPTORS)
dump_memory_content (desc, spacing + 2);
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_CONTENT:
dump_content (desc, spacing + 2);
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[4];
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);
}
}
break;
case GST_MTS_DESC_DVB_TELETEXT:
{
GstMpegTsDVBTeletextType type;
gchar lang[4];
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_MPEG_TS_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);
}
}
break;
default:
break;
}
}
}
static void
dump_pat (GstMpegTsSection * section)
{
GPtrArray *pat = gst_mpegts_section_get_pat (section);
guint i, len;
len = pat->len;
g_printf (" %d program(s):\n", len);
for (i = 0; i < len; i++) {
GstMpegTsPatProgram *patp = g_ptr_array_index (pat, i);
g_print
(" program_number:%6d (0x%04x), network_or_program_map_PID:0x%04x\n",
patp->program_number, patp->program_number,
patp->network_or_program_map_PID);
}
g_ptr_array_unref (pat);
}
static void
dump_pmt (GstMpegTsSection * section)
{
const GstMpegTsPMT *pmt = gst_mpegts_section_get_pmt (section);
guint i, len;
g_printf (" program_number : 0x%04x\n", section->subtable_extension);
g_printf (" pcr_pid : 0x%04x\n", pmt->pcr_pid);
dump_descriptors (pmt->descriptors, 7);
len = pmt->streams->len;
g_printf (" %d Streams:\n", len);
for (i = 0; i < len; i++) {
GstMpegTsPMTStream *stream = g_ptr_array_index (pmt->streams, i);
g_printf (" pid:0x%04x , stream_type:0x%02x (%s)\n", stream->pid,
stream->stream_type,
enum_name (GST_TYPE_MPEG_TS_STREAM_TYPE, stream->stream_type));
dump_descriptors (stream->descriptors, 9);
}
}
static void
dump_eit (GstMpegTsSection * section)
{
const GstMpegTsEIT *eit = gst_mpegts_section_get_eit (section);
guint i, len;
g_assert (eit);
g_printf (" service_id : 0x%04x\n", section->subtable_extension);
g_printf (" transport_stream_id : 0x%04x\n", eit->transport_stream_id);
g_printf (" original_network_id : 0x%04x\n", eit->original_network_id);
g_printf (" segment_last_section_number:0x%02x, last_table_id:0x%02x\n",
eit->segment_last_section_number, eit->last_table_id);
g_printf (" actual_stream : %s, present_following : %s\n",
eit->actual_stream ? "TRUE" : "FALSE",
eit->present_following ? "TRUE" : "FALSE");
len = eit->events->len;
g_printf (" %d Event(s):\n", len);
for (i = 0; i < len; i++) {
gchar *tmp = (gchar *) "<NO TIME>";
GstMpegTsEITEvent *event = g_ptr_array_index (eit->events, i);
if (event->start_time)
tmp = gst_date_time_to_iso8601_string (event->start_time);
g_printf (" event_id:0x%04x, start_time:%s, duration:%"
GST_TIME_FORMAT "\n", event->event_id, tmp,
GST_TIME_ARGS (event->duration * GST_SECOND));
g_printf (" running_status:0x%02x (%s), free_CA_mode:%d (%s)\n",
event->running_status, enum_name (GST_TYPE_MPEG_TS_RUNNING_STATUS,
event->running_status), event->free_CA_mode,
event->free_CA_mode ? "MAYBE SCRAMBLED" : "NOT SCRAMBLED");
if (event->start_time)
g_free (tmp);
dump_descriptors (event->descriptors, 9);
}
}
static void
dump_atsc_mult_string (GPtrArray * mstrings, guint spacing)
{
guint i;
for (i = 0; i < mstrings->len; i++) {
GstMpegTsAtscMultString *mstring = g_ptr_array_index (mstrings, i);
gint j, n;
n = mstring->segments->len;
g_printf ("%*s [multstring entry (%d) iso_639 langcode: %s]\n", spacing, "",
i, mstring->iso_639_langcode);
g_printf ("%*s segments:%d\n", spacing, "", n);
for (j = 0; j < n; j++) {
GstMpegTsAtscStringSegment *segment =
g_ptr_array_index (mstring->segments, j);
g_printf ("%*s Compression:0x%x\n", spacing, "",
segment->compression_type);
g_printf ("%*s Mode:0x%x\n", spacing, "", segment->mode);
g_printf ("%*s Len:%u\n", spacing, "", segment->compressed_data_size);
g_printf ("%*s %s\n", spacing, "",
gst_mpegts_atsc_string_segment_get_string (segment));
}
}
}
static void
dump_atsc_eit (GstMpegTsSection * section)
{
const GstMpegTsAtscEIT *eit = gst_mpegts_section_get_atsc_eit (section);
guint i, len;
g_assert (eit);
g_printf (" event_id : 0x%04x\n", eit->source_id);
g_printf (" protocol_version : %u\n", eit->protocol_version);
len = eit->events->len;
g_printf (" %d Event(s):\n", len);
for (i = 0; i < len; i++) {
GstMpegTsAtscEITEvent *event = g_ptr_array_index (eit->events, i);
g_printf (" %d)\n", i);
g_printf (" event_id: 0x%04x\n", event->event_id);
g_printf (" start_time: %u\n", event->start_time);
g_printf (" etm_location: 0x%x\n", event->etm_location);
g_printf (" length_in_seconds: %u\n", event->length_in_seconds);
g_printf (" Title(s):\n");
dump_atsc_mult_string (event->titles, 9);
dump_descriptors (event->descriptors, 9);
}
}
static void
dump_ett (GstMpegTsSection * section)
{
const GstMpegTsAtscETT *ett = gst_mpegts_section_get_atsc_ett (section);
guint len;
g_assert (ett);
g_printf (" ett_table_id_ext : 0x%04x\n", ett->ett_table_id_extension);
g_printf (" protocol_version : 0x%04x\n", ett->protocol_version);
g_printf (" etm_id : 0x%04x\n", ett->etm_id);
len = ett->messages->len;
g_printf (" %d Messages(s):\n", len);
dump_atsc_mult_string (ett->messages, 9);
}
static void
dump_stt (GstMpegTsSection * section)
{
const GstMpegTsAtscSTT *stt = gst_mpegts_section_get_atsc_stt (section);
GstDateTime *dt;
gchar *dt_str = NULL;
g_assert (stt);
dt = gst_mpegts_atsc_stt_get_datetime_utc ((GstMpegTsAtscSTT *) stt);
if (dt)
dt_str = gst_date_time_to_iso8601_string (dt);
g_printf (" protocol_version : 0x%04x\n", stt->protocol_version);
g_printf (" system_time : 0x%08x\n", stt->system_time);
g_printf (" gps_utc_offset : %d\n", stt->gps_utc_offset);
g_printf (" daylight saving : %d day:%d hour:%d\n", stt->ds_status,
stt->ds_dayofmonth, stt->ds_hour);
g_printf (" utc datetime : %s", dt_str);
g_free (dt_str);
gst_date_time_unref (dt);
}
static void
dump_nit (GstMpegTsSection * section)
{
const GstMpegTsNIT *nit = gst_mpegts_section_get_nit (section);
guint i, len;
g_assert (nit);
g_printf (" network_id : 0x%04x\n", section->subtable_extension);
g_printf (" actual_network : %s\n",
nit->actual_network ? "TRUE" : "FALSE");
dump_descriptors (nit->descriptors, 7);
len = nit->streams->len;
g_printf (" %d Streams:\n", len);
for (i = 0; i < len; i++) {
GstMpegTsNITStream *stream = g_ptr_array_index (nit->streams, i);
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);
}
}
static void
dump_bat (GstMpegTsSection * section)
{
const GstMpegTsBAT *bat = gst_mpegts_section_get_bat (section);
guint i, len;
g_assert (bat);
g_printf (" bouquet_id : 0x%04x\n", section->subtable_extension);
dump_descriptors (bat->descriptors, 7);
len = bat->streams->len;
g_printf (" %d Streams:\n", len);
for (i = 0; i < len; i++) {
GstMpegTsBATStream *stream = g_ptr_array_index (bat->streams, i);
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);
}
}
static void
dump_sdt (GstMpegTsSection * section)
{
const GstMpegTsSDT *sdt = gst_mpegts_section_get_sdt (section);
guint i, len;
g_assert (sdt);
g_printf (" original_network_id : 0x%04x\n", sdt->original_network_id);
g_printf (" actual_ts : %s\n",
sdt->actual_ts ? "TRUE" : "FALSE");
len = sdt->services->len;
g_printf (" %d Services:\n", len);
for (i = 0; i < len; i++) {
GstMpegTsSDTService *service = g_ptr_array_index (sdt->services, i);
g_print
(" service_id:0x%04x, EIT_schedule_flag:%d, EIT_present_following_flag:%d\n",
service->service_id, service->EIT_schedule_flag,
service->EIT_present_following_flag);
g_print
(" running_status:0x%02x (%s), free_CA_mode:%d (%s)\n",
service->running_status,
enum_name (GST_TYPE_MPEG_TS_RUNNING_STATUS, service->running_status),
service->free_CA_mode,
service->free_CA_mode ? "MAYBE SCRAMBLED" : "NOT SCRAMBLED");
dump_descriptors (service->descriptors, 9);
}
}
static void
dump_tdt (GstMpegTsSection * section)
{
GstDateTime *date = gst_mpegts_section_get_tdt (section);
if (date) {
gchar *str = gst_date_time_to_iso8601_string (date);
g_printf (" utc_time : %s\n", str);
g_free (str);
gst_date_time_unref (date);
} else {
g_printf (" No utc_time present\n");
}
}
static void
dump_tot (GstMpegTsSection * section)
{
const GstMpegTsTOT *tot = gst_mpegts_section_get_tot (section);
gchar *str = gst_date_time_to_iso8601_string (tot->utc_time);
g_printf (" utc_time : %s\n", str);
dump_descriptors (tot->descriptors, 7);
g_free (str);
}
static void
dump_mgt (GstMpegTsSection * section)
{
const GstMpegTsAtscMGT *mgt = gst_mpegts_section_get_atsc_mgt (section);
gint i;
g_printf (" protocol_version : %u\n", mgt->protocol_version);
g_printf (" tables number : %d\n", mgt->tables->len);
for (i = 0; i < mgt->tables->len; i++) {
GstMpegTsAtscMGTTable *table = g_ptr_array_index (mgt->tables, i);
g_printf (" table %d)\n", i);
g_printf (" table_type : %u\n", table->table_type);
g_printf (" pid : 0x%x\n", table->pid);
g_printf (" version_number: %u\n", table->version_number);
g_printf (" number_bytes : %u\n", table->number_bytes);
dump_descriptors (table->descriptors, 9);
}
dump_descriptors (mgt->descriptors, 7);
}
static void
dump_vct (GstMpegTsSection * section)
{
const GstMpegTsAtscVCT *vct;
gint i;
if (GST_MPEGTS_SECTION_TYPE (section) == GST_MPEGTS_SECTION_ATSC_CVCT) {
vct = gst_mpegts_section_get_atsc_cvct (section);
} else {
/* GST_MPEGTS_SECTION_ATSC_TVCT */
vct = gst_mpegts_section_get_atsc_tvct (section);
}
g_assert (vct);
g_printf (" transport_stream_id : 0x%04x\n", vct->transport_stream_id);
g_printf (" protocol_version : %u\n", vct->protocol_version);
g_printf (" %d Sources:\n", vct->sources->len);
for (i = 0; i < vct->sources->len; i++) {
GstMpegTsAtscVCTSource *source = g_ptr_array_index (vct->sources, i);
g_print (" short_name: %s\n", source->short_name);
g_print (" major_channel_number: %u, minor_channel_number: %u\n",
source->major_channel_number, source->minor_channel_number);
g_print (" modulation_mode: %u\n", source->modulation_mode);
g_print (" carrier_frequency: %u\n", source->carrier_frequency);
g_print (" channel_tsid: %u\n", source->channel_TSID);
g_print (" program_number: %u\n", source->program_number);
g_print (" ETM_location: %u\n", source->ETM_location);
g_print (" access_controlled: %u\n", source->access_controlled);
g_print (" hidden: %u\n", source->hidden);
if (section->table_id == GST_MPEGTS_SECTION_ATSC_CVCT) {
g_print (" path_select: %u\n", source->path_select);
g_print (" out_of_band: %u\n", source->out_of_band);
}
g_print (" hide_guide: %u\n", source->hide_guide);
g_print (" service_type: %u\n", source->service_type);
g_print (" source_id: %u\n", source->source_id);
dump_descriptors (source->descriptors, 9);
}
dump_descriptors (vct->descriptors, 7);
}
static void
dump_section (GstMpegTsSection * section)
{
switch (GST_MPEGTS_SECTION_TYPE (section)) {
case GST_MPEGTS_SECTION_PAT:
dump_pat (section);
break;
case GST_MPEGTS_SECTION_PMT:
dump_pmt (section);
break;
case GST_MPEGTS_SECTION_TDT:
dump_tdt (section);
break;
case GST_MPEGTS_SECTION_TOT:
dump_tot (section);
break;
case GST_MPEGTS_SECTION_SDT:
dump_sdt (section);
break;
case GST_MPEGTS_SECTION_NIT:
dump_nit (section);
break;
case GST_MPEGTS_SECTION_BAT:
dump_bat (section);
break;
case GST_MPEGTS_SECTION_EIT:
dump_eit (section);
break;
case GST_MPEGTS_SECTION_ATSC_MGT:
dump_mgt (section);
break;
case GST_MPEGTS_SECTION_ATSC_CVCT:
case GST_MPEGTS_SECTION_ATSC_TVCT:
dump_vct (section);
break;
case GST_MPEGTS_SECTION_ATSC_EIT:
dump_atsc_eit (section);
break;
case GST_MPEGTS_SECTION_ATSC_ETT:
dump_ett (section);
break;
case GST_MPEGTS_SECTION_ATSC_STT:
dump_stt (section);
break;
default:
g_printf (" Unknown section type\n");
break;
}
}
static void
_on_bus_message (GstBus * bus, GstMessage * message, GMainLoop * mainloop)
{
/* g_printf ("Got message %s\n", GST_MESSAGE_TYPE_NAME (message)); */
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_ERROR:
case GST_MESSAGE_EOS:
g_main_loop_quit (mainloop);
break;
case GST_MESSAGE_ELEMENT:
{
GstMpegTsSection *section;
if ((section = gst_message_parse_mpegts_section (message))) {
const gchar *table_name;
table_name = table_id_name (section->table_id);
g_print
("Got section: PID:0x%04x type:%s (table_id 0x%02x (%s)) at offset %"
G_GUINT64_FORMAT "\n", section->pid,
enum_name (GST_TYPE_MPEG_TS_SECTION_TYPE, section->section_type),
section->table_id, table_name, section->offset);
if (!section->short_section) {
g_print
(" subtable_extension:0x%04x, version_number:0x%02x\n",
section->subtable_extension, section->version_number);
g_print
(" section_number:0x%02x last_section_number:0x%02x crc:0x%08x\n",
section->section_number, section->last_section_number,
section->crc);
}
dump_section (section);
g_printf ("\n\n");
gst_mpegts_section_unref (section);
}
break;
}
default:
break;
}
}
int
main (int argc, gchar ** argv)
{
GstElement *pipeline = NULL;
GError *error = NULL;
GstBus *bus;
GMainLoop *mainloop;
gst_init (&argc, &argv);
gst_mpegts_initialize ();
pipeline = gst_parse_launchv ((const gchar **) &argv[1], &error);
if (error) {
g_printf ("pipeline could not be constructed: %s\n", error->message);
g_error_free (error);
return 1;
}
/* Hack: ensure all enum type classes are loaded */
g_type_class_ref (GST_TYPE_MPEG_TS_SECTION_TYPE);
g_type_class_ref (GST_TYPE_MPEG_TS_SECTION_TABLE_ID);
g_type_class_ref (GST_TYPE_MPEG_TS_RUNNING_STATUS);
g_type_class_ref (GST_TYPE_MPEG_TS_DESCRIPTOR_TYPE);
g_type_class_ref (GST_TYPE_MPEG_TS_DVB_DESCRIPTOR_TYPE);
g_type_class_ref (GST_TYPE_MPEG_TS_ATSC_DESCRIPTOR_TYPE);
g_type_class_ref (GST_TYPE_MPEG_TS_ISDB_DESCRIPTOR_TYPE);
g_type_class_ref (GST_TYPE_MPEG_TS_MISC_DESCRIPTOR_TYPE);
g_type_class_ref (GST_TYPE_MPEG_TS_ISO639_AUDIO_TYPE);
g_type_class_ref (GST_TYPE_MPEG_TS_DVB_SERVICE_TYPE);
g_type_class_ref (GST_TYPE_MPEG_TS_DVB_TELETEXT_TYPE);
g_type_class_ref (GST_TYPE_MPEG_TS_STREAM_TYPE);
g_type_class_ref (GST_TYPE_MPEG_TS_SECTION_DVB_TABLE_ID);
g_type_class_ref (GST_TYPE_MPEG_TS_SECTION_ATSC_TABLE_ID);
g_type_class_ref (GST_TYPE_MPEG_TS_SECTION_SCTE_TABLE_ID);
g_type_class_ref (GST_TYPE_MPEG_TS_MODULATION_TYPE);
g_type_class_ref (GST_TYPE_MPEG_TS_DVB_CODE_RATE);
g_type_class_ref (GST_TYPE_MPEG_TS_CABLE_OUTER_FEC_SCHEME);
g_type_class_ref (GST_TYPE_MPEG_TS_TERRESTRIAL_TRANSMISSION_MODE);
g_type_class_ref (GST_TYPE_MPEG_TS_TERRESTRIAL_GUARD_INTERVAL);
g_type_class_ref (GST_TYPE_MPEG_TS_TERRESTRIAL_HIERARCHY);
g_type_class_ref (GST_TYPE_MPEG_TS_DVB_LINKAGE_TYPE);
g_type_class_ref (GST_TYPE_MPEG_TS_DVB_LINKAGE_HAND_OVER_TYPE);
g_type_class_ref (GST_TYPE_MPEG_TS_COMPONENT_STREAM_CONTENT);
g_type_class_ref (GST_TYPE_MPEG_TS_CONTENT_NIBBLE_HI);
mainloop = g_main_loop_new (NULL, FALSE);
/* Put a bus handler */
bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
gst_bus_add_signal_watch (bus);
g_signal_connect (bus, "message", (GCallback) _on_bus_message, mainloop);
/* Start pipeline */
gst_element_set_state (pipeline, GST_STATE_PLAYING);
g_main_loop_run (mainloop);
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (pipeline);
gst_object_unref (bus);
return 0;
}
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