static void parseEventDescription(void *data, enum ER round) {
assert(GetDescriptorTag(data) == 0x4D);
struct descr_short_event *evtdesc = data;
char evt[256];
char dsc[256];
int evtlen = evtdesc->event_name_length;
if (round == TITLE) {
if (!evtlen)
return;
assert(evtlen < sizeof(evt));
memcpy(evt, (char *)&evtdesc->data, evtlen);
evt[evtlen] = '\0';
printf("\t<title lang=\"%s\">%s</title>\n", xmllang(&evtdesc->lang_code1), xmlify(evt));
return;
}
if (round == SUB_TITLE) {
int dsclen = evtdesc->data[evtlen];
assert(dsclen < sizeof(dsc));
memcpy(dsc, (char *)&evtdesc->data[evtlen+1], dsclen);
dsc[dsclen] = '\0';
if (*dsc) {
char *d = xmlify(dsc);
if (d && *d)
printf("\t<sub-title lang=\"%s\">%s</sub-title>\n", xmllang(&evtdesc->lang_code1), d);
}
}
} /*}}}*/
/*
* Parse 0x4D Short Event Descriptor
*/
static void parseEventDescription(void *data, enum ER round) {
assert(GetDescriptorTag(data) == 0x4D);
struct descr_short_event *evtdesc = CastShortEventDescriptor(data);
char evt[256];
char dsc[256];
int evtlen = evtdesc->event_name_length;
if (round == TITLE) {
if (!evtlen)
return;
strncpy(evt, (char *) &evtdesc->data, evtlen);
evt[evtlen] = '\0';
printf("\t<title lang=\"%s\">%s</title>\n", lookup_language(
&evtdesc->lang_code1), convert_text(evt));
return;
}
if (round == SUB_TITLE) {
int dsclen = evtdesc->data[evtlen];
strncpy(dsc, (char *) &evtdesc->data[evtlen + 1], dsclen);
dsc[dsclen] = '\0';
if (*dsc) {
const char *d = convert_text(dsc);
if (d && *d)
printf("\t<sub-title lang=\"%s\">%s</sub-title>\n",
lookup_language(&evtdesc->lang_code1), d);
}
}
}
/*
* Parse 0x54 Content Descriptor
*/
static void parseContentDescription(u_char *data) {
assert(GetDescriptorTag(data) == 0x54);
struct descr_content *dc = CastContentDescriptor(data);
int once[256 / 8 / sizeof(int)] = { 0, };
u_char *p;
for (p = (u_char *) (&dc->data); p < (u_char *) (data
+ dc->descriptor_length); p += NIBBLE_CONTENT_LEN) {
struct nibble_content *nc = (struct nibble_content *) p;
int c1 = (nc->content_nibble_level_1 << 4) + nc->content_nibble_level_2;
#ifdef CATEGORY_UNKNOWN
int c2 = (nc->user_nibble_1 << 4) + nc->user_nibble_2;
#endif
if (c1 > 0 && !get_bit(once, c1)) {
set_bit(once, c1);
const char *c = lookup_description(c1);
if (c)
if (c[0])
printf("\t<category>%s</category>\n", c);
#ifdef CATEGORY_UNKNOWN
else
printf("\t<!--category>%s %02X %02X</category-->\n", c + 1, c1, c2);
else
printf("\t<!--category>%02X %02X</category-->\n", c1, c2);
#endif
}
// This is weird in the uk, they use user but not content, and almost the same values
}
}
static void parseComponentDescription(void *data, enum CR round, int *seen) {
assert(GetDescriptorTag(data) == 0x50);
struct descr_component *dc = data;
char buf[256];
int len = dc->descriptor_length;
assert(len < sizeof(buf));
memcpy(buf, (char *)&dc->data, len);
buf[len] = '\0';
switch (dc->stream_content) {
case 0x01: // Video Info
if (round == VIDEO && !*seen) {
//if ((dc->component_type-1)&0x08) //HD TV
//if ((dc->component_type-1)&0x04) //30Hz else 25
printf("\t<video>\n");
printf("\t\t<aspect>%s</aspect>\n", lookup(aspect_table, (dc->component_type-1) & 0x03));
printf("\t</video>\n");
(*seen)++;
}
break;
case 0x02: // Audio Info
if (round == AUDIO && !*seen) {
printf("\t<audio>\n");
printf("\t\t<stereo>%s</stereo>\n", lookup(audio_table, (dc->component_type)));
printf("\t</audio>\n");
(*seen)++;
}
if (round == LANGUAGE) {
if (!*seen)
printf("\t<language>%s</language>\n", xmllang(&dc->lang_code1));
else
printf("\t<!--language>%s</language-->\n", xmllang(&dc->lang_code1));
(*seen)++;
}
break;
case 0x03: // Teletext Info
if (round == SUBTITLES) {
// FIXME: is there a suitable XMLTV output for this?
// if ((dc->component_type)&0x10) //subtitles
// if ((dc->component_type)&0x20) //subtitles for hard of hearing
printf("\t<subtitles type=\"teletext\">\n");
printf("\t\t<language>%s</language>\n", xmllang(&dc->lang_code1));
printf("\t</subtitles>\n");
}
break;
// case 0x04: // AC3 info
}
#if 0
printf("\t<StreamComponent>\n");
printf("\t\t<StreamContent>%d</StreamContent>\n", dc->stream_content);
printf("\t\t<ComponentType>%x</ComponentType>\n", dc->component_type);
printf("\t\t<ComponentTag>%x</ComponentTag>\n", dc->component_tag);
printf("\t\t<Length>%d</Length>\n", dc->component_tag, dc->descriptor_length-6);
printf("\t\t<Language>%s</Language>\n", lang);
printf("\t\t<Data>%s</Data>\n", buf);
printf("\t</StreamComponent>\n");
#endif
} /*}}}*/
/* Check that program has at least a title as is required by xmltv.dtd. {{{ */
static bool validateDescription(void *data, size_t len) {
void *p;
for (p = data; p < data + len; p += DESCR_GEN_LEN + GetDescriptorLength(p)) {
struct descr_gen *desc = p;
if (GetDescriptorTag(desc) == 0x4D) {
struct descr_short_event *evtdesc = p;
// make sure that title isn't empty
if (evtdesc->event_name_length) return true;
}
}
return false;
} /*}}}*/
/* Parse 0x4E Extended Event Descriptor. {{{ */
void parseLongEventDescription(void *data) {
assert(GetDescriptorTag(data) == 0x4E);
struct descr_extended_event *levt = data;
char dsc[256];
bool non_empty = (levt->descriptor_number || levt->last_descriptor_number || levt->length_of_items || levt->data[0]);
if (non_empty && levt->descriptor_number == 0)
printf("\t<desc lang=\"%s\">", xmllang(&levt->lang_code1));
void *p = &levt->data;
void *data_end = data + DESCR_GEN_LEN + GetDescriptorLength(data);
while (p < (void *)levt->data + levt->length_of_items) {
struct item_extended_event *name = p;
int name_len = name->item_description_length;
assert(p + ITEM_EXTENDED_EVENT_LEN + name_len < data_end);
assert(name_len < sizeof(dsc));
memcpy(dsc, (char *)&name->data, name_len);
dsc[name_len] = '\0';
printf("%s: ", xmlify(dsc));
p += ITEM_EXTENDED_EVENT_LEN + name_len;
struct item_extended_event *value = p;
int value_len = value->item_description_length;
assert(p + ITEM_EXTENDED_EVENT_LEN + value_len < data_end);
assert(value_len < sizeof(dsc));
memcpy(dsc, (char *)&value->data, value_len);
dsc[value_len] = '\0';
printf("%s; ", xmlify(dsc));
p += ITEM_EXTENDED_EVENT_LEN + value_len;
}
struct item_extended_event *text = p;
int len = text->item_description_length;
if (non_empty && len) {
assert(len < sizeof(dsc));
memcpy(dsc, (char *)&text->data, len);
dsc[len] = '\0';
printf("%s", xmlify(dsc));
}
//printf("/%d/%d/%s", levt->descriptor_number, levt->last_descriptor_number, xmlify(dsc));
if (non_empty && levt->descriptor_number == levt->last_descriptor_number)
printf("</desc>\n");
} /*}}}*/
/*
* Parse 0x4E Extended Event Descriptor
*/
static void parseLongEventDescription(void *data) {
assert(GetDescriptorTag(data) == 0x4E);
struct descr_extended_event *levt = CastExtendedEventDescriptor(data);
char dsc[256];
bool non_empty = (levt->descriptor_number || levt->last_descriptor_number
|| levt->length_of_items || levt->data[0]);
if (non_empty && levt->descriptor_number == 0)
printf("\t<desc lang=\"%s\">", lookup_language(&levt->lang_code1));
u_char *p = (u_char *) &levt->data;
u_char *data_end = (u_char *) (CastExtendedEventDescriptor(data)
+ DESCR_GEN_LEN + GetDescriptorLength(data));
while (p < (u_char *) levt->data + levt->length_of_items) {
struct item_extended_event *name = (struct item_extended_event *) p;
int name_len = name->item_description_length;
assert(p + ITEM_EXTENDED_EVENT_LEN + name_len < data_end);
strncpy(dsc, (char *) &name->data, name_len);
dsc[name_len] = '\0';
printf("%s: ", convert_text(dsc));
p += ITEM_EXTENDED_EVENT_LEN + name_len;
struct item_extended_event *value = (struct item_extended_event *) p;
int value_len = value->item_description_length;
assert(p + ITEM_EXTENDED_EVENT_LEN + value_len < data_end);
strncpy(dsc, (char *) &value->data, value_len);
dsc[value_len] = '\0';
printf("%s; ", convert_text(dsc));
p += ITEM_EXTENDED_EVENT_LEN + value_len;
}
struct item_extended_event *text = (struct item_extended_event *) p;
int len = text->item_description_length;
if (non_empty && len) {
strncpy(dsc, (char *) &text->data, len);
dsc[len] = '\0';
printf("%s", convert_text(dsc));
}
//printf("/%d/%d/%s", levt->descriptor_number, levt->last_descriptor_number, convert_text(dsc));
if (non_empty && levt->descriptor_number == levt->last_descriptor_number)
printf("</desc>\n");
}
/* Parse 0x55 Rating Descriptor. {{{ */
void parseRatingDescription(void *data) {
assert(GetDescriptorTag(data) == 0x55);
struct descr_parental_rating *pr = data;
void *p;
for (p = &pr->data; p < data + pr->descriptor_length; p += PARENTAL_RATING_ITEM_LEN) {
struct parental_rating_item *pr = p;
switch (pr->rating) {
case 0x00: /*undefined*/
break;
case 0x01 ... 0x0F:
printf("\t<rating system=\"dvb\">\n");
printf("\t\t<value>%d</value>\n", pr->rating + 3);
printf("\t</rating>\n");
break;
case 0x10 ... 0xFF: /*broadcaster defined*/
break;
}
}
} /*}}}*/
/* See ETSI TS 102 323, section 12 */
void parseContentIdentifierDescription(void *data) {
assert(GetDescriptorTag(data) == 0x76);
struct descr_content_identifier *ci = data;
void *p;
for (p = &ci->data; p < data + ci->descriptor_length; /* at end */) {
struct descr_content_identifier_crid *crid = p;
struct descr_content_identifier_crid_local *crid_data;
int crid_length = 3;
char type_buf[32];
char *type;
char buf[256];
type = lookup(crid_type_table, crid->crid_type);
if (type == NULL)
{
type = type_buf;
sprintf(type_buf, "0x%2x", crid->crid_type);
}
switch (crid->crid_location)
{
case 0x00: /* Carried explicitly within descriptor */
crid_data = (descr_content_identifier_crid_local_t *)&crid->crid_ref_data;
int cridlen = crid_data->crid_length;
assert(cridlen < sizeof(buf));
memcpy(buf, (char *)&crid_data->crid_byte, cridlen);
buf[cridlen] = '\0';
printf("\t<crid type='%s'>%s</crid>\n", type, xmlify(buf));
crid_length = 2 + crid_data->crid_length;
break;
case 0x01: /* Carried in Content Identifier Table (CIT) */
break;
default:
break;
}
p += crid_length;
}
} /*}}}*/
/*
* Parse Descriptor
* Tags should be output in this order:
*
* 'title', 'sub-title', 'desc', 'credits', 'date', 'category', 'language',
* 'orig-language', 'length', 'icon', 'url', 'country', 'episode-num',
* 'video', 'audio', 'previously-shown', 'premiere', 'last-chance',
* 'new', 'subtitles', 'rating', 'star-rating'
*/
static void parseDescription(u_char *data, size_t len) {
int round, pds = 0;
bool notupscaled = true;
bool audiosubtitle = false;
for (round = 0; round < 8; round++) {
int seen = 0; // no title/language/video/audio/subtitles seen in this round
u_char *p;
for (p = data; p < (u_char *) (data + len); p += DESCR_GEN_LEN
+ GetDescriptorLength(p)) {
struct descr_gen *desc = (struct descr_gen *) p;
switch (GetDescriptorTag(desc)) {
case 0:
break;
case 0x48: //service_description
parseServiceDescription(desc);
break;
case 0x4D: //short evt desc, [title] [sub-title]
// there can be multiple language versions of these
if (round == 0) {
parseEventDescription(desc, TITLE);
} else if (round == 1)
parseEventDescription(desc, SUB_TITLE);
break;
case 0x4E: //long evt descriptor [desc]
if (round == 2)
parseLongEventDescription(desc);
break;
case 0x50: //component desc [language] [video] [audio] [subtitles]
if (round == 4)
parseComponentDescription(desc, LANGUAGE, &seen, ¬upscaled);
else if (round == 5)
parseComponentDescription(desc, VIDEO, &seen, ¬upscaled);
else if (round == 6)
parseComponentDescription(desc, AUDIO, &seen, &audiosubtitle);
else if (round == 7)
parseComponentDescription(desc, SUBTITLES, &seen, &audiosubtitle);
break;
case 0x53: // CA Identifier Descriptor
break;
case 0x54: // content desc [category]
if (round == 3)
parseContentDescription((u_char *) desc);
break;
case 0x55: // Parental Rating Descriptor [rating]
if (round == 7)
parseRatingDescription((u_char *) desc);
break;
case 0x5f: // Private Data Specifier
pds = parsePrivateDataSpecifier(desc);
break;
case 0x64: // Data broadcast desc - Text Desc for Data components
break;
case 0x69: // Programm Identification Label
break;
case 0x81: // TODO ???
if (pds == 5) // ARD_ZDF_ORF
break;
case 0x82: // VPS (ARD, ZDF, ORF)
if (pds == 5) // ARD_ZDF_ORF
// TODO: <programme @vps-start="???">
break;
case 0x4F: // Time Shifted Event
case 0x52: // Stream Identifier Descriptor
case 0x5E: // Multi Lingual Component Descriptor
case 0x83: // Logical Channel Descriptor (some kind of news-ticker on ARD-MHP-Data?)
case 0x84: // Preferred Name List Descriptor
case 0x85: // Preferred Name Identifier Descriptor
case 0x86: // Eacem Stream Identifier Descriptor
default:
if (round == 0) {
parseUnknown((u_char *) desc);
}
}
}
}
}
static void parseServiceDescription(void *data) {
assert(GetDescriptorTag(data) == 0x48);
struct descr_service *pr = CastServiceDescriptor(data);
log_message(DEBUG, "got a service descriptor %d", pr->provider_name_length);
}
/*
* Parse 0x5F Private Data Specifier
*/
static int parsePrivateDataSpecifier(void *data) {
assert(GetDescriptorTag(data) == 0x5F);
return GetPrivateDataSpecifier(data);
}
/*
* Parse 0x50 Component Descriptor.
* video is a flag, 1=> output the video information, 0=> output the
* audio information. seen is a pointer to a counter to ensure we
* only output the first one of each (XMLTV can't cope with more than
* one)
*/
static void parseComponentDescription(void *data, enum CR round, int *seen, bool *testfield) {
assert(GetDescriptorTag(data) == 0x50);
struct descr_component *dc = CastComponentDescriptor(data);
char buf[256];
int len = dc->descriptor_length;
strncpy(buf, (char *) &dc->data, len);
buf[len] = '\0';
switch (dc->stream_content) {
case 0x01: // Video Info
case 0x05: // AVC Video Info
if (round == VIDEO && !*seen) {
//if ((dc->component_type-1)&0x08) //HD TV
//if ((dc->component_type-1)&0x04) //30Hz else 25
printf("\t<video>\n");
printf("\t\t<aspect>%s</aspect>\n", lookup_aspect(
(dc->component_type - 1) & 0x03));
if ((dc->component_type-1)>0x07 && *testfield) { //HD TV
printf("\t\t<quality>HDTV</quality>\n");
}
printf("\t</video>\n");
(*seen)++;
}
break;
case 0x02: // Audio Info
case 0x06: { // AVC Audio Info
std::string audioinfo = lookup_audio(dc->component_type);
if (round == SUBTITLES && audioinfo.compare("audio-subtitle") == 0 && *seen < 4 ) {
if (testfield && *seen != 2) {
printf("\t<subtitles type=\"audio-described\">\n");
printf("\t\t<language>%s</language>\n", lookup_language(&dc->lang_code1));
printf("\t</subtitles>\n");
(*seen)+=4;
}
}
if (round == AUDIO && !*seen && audioinfo.compare("audio-subtitle") !=0) {
printf("\t<audio>\n");
printf("\t\t<stereo>%s</stereo>\n",
lookup_audio(dc->component_type));
printf("\t</audio>\n");
(*seen)++;
}
if (round == LANGUAGE) {
if (!*seen) {
printf("\t<language>%s</language>\n", lookup_language(
&dc->lang_code1));
} else {
//printf("\t<!--language>%s</language-->\n", lookup_language(&dc->lang_code1));
}
(*seen)++;
}
}
break;
case 0x03: // Teletext Info
if (round == LANGUAGE){ // need this BEFORE VIDEO runs
if ((dc->component_type)&0x40) {
*testfield=false;
}
}
if (round == SUBTITLES) {
switch (dc->component_type) {
case 0x01:
case 0x10:
case 0x11:
case 0x12:
case 0x13:
case 0x14:
case 0x15:
case 0x20:
case 0x21:
case 0x22:
case 0x23:
case 0x24:
case 0x25:
if (testfield && *seen != 2 && *seen != 3 && *seen != 6 && *seen != 7) {
printf("\t<subtitles type=\"teletext\">\n");
printf("\t\t<language>%s</language>\n", lookup_language(&dc->lang_code1));
printf("\t</subtitles>\n");
(*seen)+=2;
}
break;
case 0x30:
case 0x31:
if (testfield && *seen != 1 && *seen != 3 && *seen != 5 && *seen != 7) {
printf("\t<subtitles type=\"deaf-signed\">\n");
printf("\t\t<language>%s</language>\n", lookup_language(&dc->lang_code1));
printf("\t</subtitles>\n");
(*seen)++;
}
}
// FIXME: is there a suitable XMLTV output for this?
// if ((dc->component_type)&0x10) //subtitles
// if ((dc->component_type)&0x20) //subtitles for hard of hearing
//printf("\t<subtitles type=\"teletext\">\n");
//printf("\t\t<language>%s</language>\n", lookup_language(&dc->lang_code1));
//printf("\t</subtitles>\n");
}
//break;
// case 0x04: // AC3 info
break;
}
}
