int descriptorMHP_AIT (u_char *b)
{
int len;
int tag;
out_NL (4);
tag = outBit_S2x_NL (4,"MHP_AIT-DescriptorTag: ", b, 0, 8,
(char *(*)(u_long))dsmccStrMHP_AIT_DescriptorTAG);
len = outBit_Sx_NL (4,"descriptor_length: ", b, 8, 8);
// empty ??
if (len == 0) return len;
// print hex buf of descriptor
printhex_buf (9, b,len+2);
switch (tag) {
case 0x00: descriptorMHP_AIT_application (b); break;
case 0x01: descriptorMHP_AIT_application_name (b); break;
case 0x02: descriptorMHP_AIT_transport_protocol (b); break;
case 0x03: descriptorMHP_AIT_dvb_j_application (b); break;
case 0x04: descriptorMHP_AIT_dvb_j_application_location (b); break;
case 0x05: descriptorMHP_AIT_external_application_authorisation (b); break;
// case 0x06: reserved
// case 0x07: reserved
case 0x08: descriptorMHP_AIT_dvb_html_application (b); break;
case 0x09: descriptorMHP_AIT_dvb_html_application_location (b); break;
case 0x0A: descriptorMHP_AIT_dvb_html_application_boundary (b); break;
case 0x0B: descriptorMHP_AIT_application_icons (b); break;
case 0x0C: descriptorMHP_AIT_pre_fetch (b); break;
case 0x0D: descriptorMHP_AIT_DII_location (b); break;
case 0x0E: descriptorMHP_AIT_delegated_application (b); break;
case 0x0F: descriptorMHP_AIT_plug_in (b); break;
case 0x10: descriptorMHP_AIT_application_storage (b); break;
case 0x11: descriptorMHP_AIT_ip_signalling (b); break;
case 0x5F: descriptorDVB_PrivateDataSpecifier (b); break;
default:
if (tag < 0x80) {
out_nl (0," ----> ERROR: unimplemented descriptor (MHP_AIT context), Report!");
}
descriptor_PRIVATE (b,MHP_AIT);
break;
}
return len+2; // (descriptor total length)
}
u_long BIOP_TAG_dispatch (int v, u_char *b)
{
u_long id_tag;
u_long len;
id_tag = getBits (b, 0, 0, 32); // ID_tag prefetch
switch (id_tag) {
case 0x42494F50: // "BIOP"
// BIOP::FileMessage
// BIOP::DirectoryMessage
// BIOP::StreamMessage
// BIOP::StreamEventMessage
len = BIOP_Message (v, b);
break;
case 0x49534f05: // TAG_LITE_OPTIONS
len = BIOP_LiteOptionsProfileBody (v, b);
break;
case 0x49534f06: // TAG_BIOP
// BIOPProfileBody
len = BIOP_BIOPProfileBody (v, b);
break;
case 0x49534f40: // TAG_ConnBinder
// DSM::ConnBinder
len = BIOP_DSM_ConnBinder (v, b);
break;
case 0x49534f46: // TAG_SERVICE_LOCATION
len = BIOP_DSM_ServiceLocation (v, b);
break;
case 0x49534f50: // TAG_ObjectLocation
// DSM::ConnBinder
len = BIOP_ObjectLocation (v, b);
break;
default: // unknown !!!
// $$$ TODO: we wildly guess, that there is a 32b length field!
// $$$ TODO: this may break the decoding process, if not true
outBit_S2x_NL (v,"profileId_tag: ", b, 0, 32,
(char *(*)(u_long)) dsmccStrIOP_ProfileID );
len = outBit_Sx_NL (v,"profile_data_length: ", b, 32, 32);
print_databytes (v,"unkown profile_data:", b+8, len);
len += 8;
break;
}
out_NL (v);
return len;
}
static u_long body_StreamEventMessage (int v, u_char *b)
{
u_char *b_org = b;
u_int nx,ny,n2,n8,n4;
n2 = outBit_Sx_NL (v,"objectInfo_length: ", b, 0, 16);
b += 2;
nx = BIOP_DSM_Stream_Info_T (v, b);
ny = BIOP_DSM_Event_EventList_T (v, b+nx);
print_databytes (v,"ObjectInfo_byte:", b+nx, n2-nx-ny);
b += n2;
nx = do_ServiceContentList (v, b);
b += nx;
outBit_Sx_NL (v,"messageBody_length: ", b, 0, 32);
n8 = outBit_Sx_NL (v,"tap_count: ", b, 32, 8);
b += 5;
indent (+1);
for (; n8 > 0; n8--) {
int nz;
nz = BIOP_TAP (v, "", b);
b += nz;
}
indent (-1);
n4 = outBit_Sx_NL (v,"eventIds_count: ", b, 0, 8);
b += 1;
indent (+1);
for (; n4 > 0; n4--) {
outBit_Sx_NL (v,"eventId: ", b, 0, 16);
b += 2;
}
indent (-1);
return (u_long) (b - b_org);
}
void descriptorMHP_AIT_application (u_char *b)
{
int len;
int len2;
// descriptor_tag = b[0];
len = b[1];
len2 = outBit_Sx_NL (4,"application_profile_length: ", b, 16, 8);
b += 3;
len -= 1;
indent (+1);
while (len2 > 0) {
int x;
out_NL(4);
x = mhp_application_profile_version (4, b);
b += x;
len -= x;
len2 -= x;
}
out_NL(4);
indent (-1);
outBit_Sx_NL (4,"service_bound_flag: ", b, 0, 1);
outBit_S2x_NL(4,"visibility: ", b, 1, 2,
(char *(*)(u_long)) dsmccStrMHP_visibility_state );
outBit_Sx_NL (4,"reserved: ", b, 3, 5);
outBit_Sx_NL (4,"application_priority: ", b, 8, 8);
b += 2;
len -= 2;
while (len > 0) {
outBit_Sx_NL (4,"transport_protocol_label: ", b, 0, 8);
b++;
len--;
}
}
static u_long body_FileMessage (int v, u_char *b)
{
u_char *b_org = b;
u_long nx,n2,n5;
n2 = outBit_Sx_NL (v,"objectInfo_length: ", b, 0, 16);
b += 2;
if (n2) { // has to be >= 8
outBit64_Sx_NL (v,"DSM::File::ContentSize: ", b, 0, 64);
b += 8;
n2 -= 8;
if (n2 > 0) {
out_nl (v, "Descriptor_loop:");
indent (+1);
while (n2 > 0) {
int x;
x = descriptor (b, DSMCC_CAROUSEL);
b += x;
n2 -= x;
out_NL (v);
}
} // if n2 > 0
indent (-1);
} // if n2
out_NL (v);
nx = do_ServiceContentList (v, b);
b += nx;
outBit_Sx_NL (v,"messageBody_length: ", b, 0, 32);
n5 = outBit_Sx_NL (v,"content_length: ", b, 32, 32);
print_databytes(v,"content__byte:", b+8, n5);
b += 8 + n5;
return (u_long) (b - b_org);
}
int IOP_IOR (int v, u_char *b)
{
u_char *b_start = b;
int i,x;
u_long n1;
out_nl (v, "IOP::IOR:");
indent (+1);
n1 = outBit_Sx_NL (v,"type_id_length: ", b, 0, 32);
print_text_UTF8 (v, "type_id: ", b+4, n1);
b += 4+n1;
// alignment gap (CDR alignment rule), should be 0xFF
x = n1 % 4;
if (x) {
print_databytes (v,"alignment_gap:", b, 4-x);
b += 4-x;
}
n1 = outBit_Sx_NL (v,"taggedProfiles_count: ", b, 0, 32);
b += 4;
for (i=0; i < n1; i++) {
u_long n2;
// IOP_taggedProfile
n2 = IOP_taggedProfile (v, b);
b += n2;
}
indent (-1);
return b - b_start;
}
void descriptorMHP_AIT_application_icons (u_char *b)
{
int len;
int len2;
// descriptor_tag = b[0];
len = b[1];
len2 = outBit_Sx_NL (4,"icon_locator_length: ", b+2, 0, 8);
print_text_UTF8 (4, "icon_locator: ", b+3, len2);
b += 3 + len2;
len -= 1 + len2;
outBit_Sx_NL (4,"icon_flags: ", b, 0, 16); // $$$ TODO table
b += 2;
len -= 2;
print_databytes(4,"reserved_future_use:", b, len);
}
static u_long body_basic_Message (int v, u_char *b)
{
u_char *b_org = b;
u_int nx,n2,n3;
n2 = outBit_Sx_NL (v,"objectInfo_length: ", b, 0, 16);
print_databytes (v,"ObjectInfo_byte:", b+2, n2);
b += 2 + n2;
nx = do_ServiceContentList (v, b);
b += nx;
n3 = outBit_Sx_NL (v,"messageBody_length: ", b, 0, 32);
print_databytes (v,"MessageBody:", b+4, n3);
b += 4 + n3;
return (u_long) (b - b_org);
}
int dsmcc_DownloadCancel (int v, u_char *b, u_int len)
{
int len_org = len;
int len2;
// already read dsmcc_MessageHeader (v, b, len, &dmh);
outBit_Sx_NL (v,"downloadId: ", b, 0, 32);
outBit_Sx_NL (v,"moduleId: ", b, 32, 16);
outBit_Sx_NL (v,"blockNumber: ", b, 48, 16);
outBit_Sx_NL (v,"downloadCancelReason: ", b, 64, 8);
outBit_Sx_NL (v,"reserved: ", b, 72, 8);
len2 = outBit_Sx_NL (v,"privateDataLength: ", b, 80, 16);
b += 12;
len -= 12;
print_databytes (v, "private data: ", b, len);
return len_org;
}
void print_xTS_field (int v, const char *str, u_char *b, int bit_offset)
{
long long xTS_32_30;
long long xTS_29_15;
long long xTS_14_0;
long long ull;
int bo = bit_offset;
int v1 = v+1;
out_nl (v,"%s:",str);
indent (+1);
xTS_32_30 = outBit_Sx_NL (v1,"bit[32..30]: ", b, bo+0, 3);
outBit_Sx_NL (v1,"marker_bit: ", b, bo+3, 1);
xTS_29_15 = outBit_Sx_NL (v1,"bit[29..15]: ", b, bo+4, 15);
outBit_Sx_NL (v1,"marker_bit: ", b, bo+19, 1);
xTS_14_0 = outBit_Sx_NL (v1,"bit[14..0]: ", b, bo+20,15);
outBit_Sx_NL (v1,"marker_bit: ", b, bo+35, 1);
ull = (xTS_32_30<<30) + (xTS_29_15<<15) + xTS_14_0;
out (v," ==> %s: ", str);
print_timebase90kHz (v, ull);
out_NL (v);
indent (-1);
}
void descriptorMHP_AIT_dvb_html_application (u_char *b)
{
int len;
int len2;
// descriptor_tag = b[0];
len = b[1];
len2 = outBit_Sx_NL (4,"appid_set_length: ", b+2, 0, 8);
b += 3;
len --;
indent(+1);
while (len2 > 0) {
outBit_Sx_NL (4,"application_id: ", b, 0, 16);
b += 2;
len -= 2;
len2 -= 2;
}
indent(-1);
print_text_UTF8 (4, "parameter: ", b, len);
}
void descriptorMHP_AIT_dvb_j_application_location (u_char *b)
{
int len;
int len2;
// descriptor_tag = b[0];
len = b[1];
b += 2;
len2 = outBit_Sx_NL (4,"base_directory_length: ", b, 0, 8);
print_text_UTF8 (4, "base_directory: ", b+1, len2);
b += len2+1;
len -= len2+1;
len2 = outBit_Sx_NL (4,"classpath_extension_length: ", b, 0, 8);
print_text_UTF8 (4, "classpath_extension: ", b+1, len2);
b += len2+1;
len -= len2+1;
print_text_UTF8 (4, "initial_class: ", b, len);
}
static u_long do_ServiceContentList (int v, u_char *b)
{
u_char *b_org = b;
int n3;
n3 = outBit_Sx_NL (v,"serviceContentList_count: ", b, 0, 8);
b += 1;
indent (+1);
for (; n3 > 0; n3--) {
int n4;
outBit_Sx_NL (v,"context_id: ", b, 0, 32);
n4 = outBit_Sx_NL (v,"context_data_length: ", b, 32, 16);
print_databytes (v,"context_data:", b+6, n4);
b += 6 + n4;
}
indent (-1);
return (u_long) (b - b_org);
}
int llc_snap (int v, u_char *b)
{
int dsap, ssap, ctrl;
int oui, prot;
out_nl (v,"LLC/SNAP:");
indent (+1);
out_nl (v,"LLC:");
dsap = outBit_Sx_NL (v," DSAP: ", b, 0, 8);
ssap = outBit_Sx_NL (v," SSAP: ", b, 8, 8);
ctrl = outBit_Sx_NL (v," Control: ", b,16, 8);
out_nl (v,"SNAP:");
oui = outBit_S2x_NL (v," Org. Unique ID: ", b,24,24,
(char *(*)(u_long))dsmccStrOUI );
prot = outBit_S2x_NL (v," Protocol Identifier: ", b,48,16,
(char *(*)(u_long))dsmccStr_LLC_SNAP_prot );
indent (-1);
return 8;
}
static int closed_caption_data_field (int v, u_char *b, int len)
{
int v1 = v+1;
out_nl (v,"CC (Closed Caption) data:");
indent (+1);
ebu_rfl_out (v1,b);
// $$$ TODO
outBit_Sx_NL (v1,"closed_caption_data_block: ", b, 8,16);
indent (-1);
return 3;
}
static int wss_data_field (int v, u_char *b, int len)
{
int v1 = v+1;
out_nl (v,"WSS (Wide Screen Signalling) data:");
indent (+1);
ebu_rfl_out (v1,b);
b++;
print_wss_decode (v1, b); // 14 bit
outBit_Sx_NL (v1,"reserved: ", b,14, 2);
indent (-1);
return 3;
}
void descriptorMHP_AIT_dvb_html_application_location (u_char *b)
{
int len;
int len2;
// descriptor_tag = b[0];
len = b[1];
len2 = outBit_Sx_NL (4,"physical_root_length: ", b+2, 0, 8);
print_text_UTF8 (4, "physical_root: ", b+3, len2);
b += 3 + len2;
len -= 1 + len2;
print_text_UTF8 (4, "initial_path: ", b, len);
}
void descriptorMHP_AIT_dvb_html_application_boundary (u_char *b)
{
int len;
int len2;
// descriptor_tag = b[0];
len = b[1];
len2 = outBit_Sx_NL (4,"label_length: ", b+2, 0, 8);
print_text_UTF8 (4, "label: ", b+3, len2);
b += 3 + len2;
len -= 1 + len2;
print_text_UTF8 (4, "regular_expression: ", b, len);
}
void mpeg_pack_header (int v, u_char *b, int len)
{
/* z.B. H.222 ISO 13818-1 Table 2-33 */
/* ISO 11172-1 pack header */
int v1 = v+1;
int pack_stuffing_len;
if (len == 0) return;
out_nl (v,"Pack_header: ");
indent (+1);
if (len > 0) {
// -- within PES packet, not PS!
outBit_Sx_NL (v1,"pack_start_code: ", b, 0, 32);
}
outBit_Sx_NL (v1,"fixed '01': ", b, 32, 2);
print_xTS_field (v1, "system_clock_reference_base", b, 34) ; // len 36b
outBit_Sx_NL (v1,"system_clock_reference_extension: ",b, 70, 9);
outBit_Sx_NL (v1,"marker_bit: ", b, 79, 1);
outBit_Sx (v1,"program_mux_rate: ", b, 80,22);
out_nl (v1," [= x 50 bytes/sec]");
outBit_Sx_NL (v1,"marker_bit: ", b, 102, 1);
outBit_Sx_NL (v1,"marker_bit: ", b, 103, 1);
outBit_Sx_NL (v1,"reserved: ", b, 104, 5);
pack_stuffing_len = outBit_Sx_NL (v1,"pack_stuffing_len: ", b, 109, 3);
print_databytes (6,"stuffing bytes 0xFF:", b+14, pack_stuffing_len);
b += 14 + pack_stuffing_len;
if (len >= 0) len -= 14 + pack_stuffing_len;
if (len > 0) mpeg_system_header (v1, b, len); // only if len > 0 (PES packet)
indent (-1);
}
void descriptorMHP_AIT_dvb_j_application (u_char *b)
{
int len;
// descriptor_tag = b[0];
len = b[1];
b += 2;
indent (+1);
while (len > 0) {
int len2;
len2 = outBit_Sx_NL (4,"parameter_length: ", b, 0, 8);
print_text_UTF8 (4, "Parameter: ", b+1, len2);
b += len2+1;
len -= len2+1;
}
indent (-1);
}
void descriptorMHP_AIT_plug_in (u_char *b)
{
int len;
// descriptor_tag = b[0];
len = b[1];
outBit_Sx_NL (4,"application_type: ", b+2, 0, 16);
b += 4;
len -= 2;
indent(+1);
while (len > 0) {
int x;
out_NL(4);
x = mhp_application_profile_version (4, b);
b += x;
len -= x;
}
// indent(-1);
}
static int monochrome_data_field (int v, u_char *b, int len)
{
int v1 = v+1;
int n;
out_nl (v,"Monochrome 4:2:2 sample data:");
indent (+1);
outBit_Sx_NL (v1,"first_segment_flag: ",b, 0, 1);
outBit_Sx_NL (v1,"last_segment_flag: ", b, 1, 1);
outBit_Sx_NL (v1,"field_parity: ", b, 2, 1);
outBit_Sx_NL (v1,"line_offset: ", b, 3, 5);
outBit_Sx_NL (v1,"first_pixel_position: ",b, 8, 16);
n = outBit_Sx_NL (v1,"n_pixel: ", b, 24, 8);
print_databytes (v1,"Y_values:", b+3, n);
indent (-1);
return 3+n;
}
int BIOP_TAP (int v, const char *str, u_char *b)
{
u_char *b_org = b;
int use;
int n;
out_nl (v, "%s::TAP:");
indent (+1);
outBit_Sx_NL (v,"id: ", b, 0, 16);
use = outBit_S2x_NL(v,"use: ", b, 16, 16,
(char *(*)(u_long))dsmccStrBIOP_TAP_Use );
outBit_Sx_NL (v,"association_tag: ", b, 32, 16);
n = outBit_Sx_NL (v,"selector_length: ", b, 48, 8);
b += 7;
// -- a TAP may have a Selector()
if (n >= 2) {
int stype;
stype = outBit_S2x_NL(v,"selector_type: ", b, 0, 16,
(char *(*)(u_long))dsmccStrBIOP_TAP_SelectorType );
indent (+1);
switch (stype) {
case 0x0001: // MessageSelector
dsmcc_print_transactionID_32 (v, b+2);
outBit_S2Tx_NL (v,"timeout: ", b, 48, 32, "usec.");
break;
case 0x0109: // ATSC A95: TSFS_selector
outBit_Sx_NL (v,"carouselId: ", b, 16, 32);
outBit_S2Tx_NL (v,"DSI_timeout: ", b, 48, 32, "usec.");
if (n > 10) {
print_databytes (v,"URI_byte:", b+10, n-10);
}
break;
case 0x0000: // ISO/IEC reserved
default: // unknown, default
print_databytes (v,"selector_data:", b+2, n-2);
break;
}
indent (-1);
} else {
if (n > 0) {
print_databytes (v,"selector_data:", b, n);
}
}
b += n;
indent (-1);
out_NL (v);
return (int) (b - b_org);
}
int dsmcc_DownloadInfoIndication (int v, u_char *b, u_int len)
{
int len_org = len;
int n_modules;
int len2;
int i, x;
// already read dsmcc_MessageHeader (v, b, len, &dmh);
outBit_Sx_NL (v,"downloadId: ", b , 0, 32);
outBit_Sx_NL (v,"blockSize: ", b+ 4, 0, 16);
outBit_Sx_NL (v,"windowSize: ", b+ 6, 0, 8);
outBit_Sx_NL (v,"ackPeriod: ", b+ 7, 0, 8);
outBit_Sx_NL (v,"tCDownloadWindow: ", b+ 8, 0, 32);
outBit_Sx_NL (v,"tCDownloadScenario: ", b+12, 0, 32);
b += 16;
len -= 16;
x = dsmcc_CompatibilityDescriptor (b);
b += x;
len -= x;
n_modules = outBit_Sx_NL (v,"numberOfModules: ", b, 0, 16);
b += 2;
len -= 2;
for (i=0; i < n_modules; i++) {
u_int mId;
out_NL (v);
out_nl (v, "Module (%d):",i);
indent (+1);
mId = outBit_Sx (v,"moduleId: ", b, 0, 16);
out_nl (4, "%s", (mId < 0xFFF0) ? "" : " [= DAVIC application]");
outBit_Sx_NL (v,"moduleSize: " , b, 16, 32);
outBit_Sx_NL (v,"moduleVersion: ", b, 48, 8);
len2 = outBit_Sx_NL (v,"moduleInfoLength: ", b, 56, 8);
b += 8;
len -= 8;
// moduleInfoByte: these fields shall convey a list of descriptors
// which each define one or more attributes of the described module,
// except when the moduleId is within the range of 0xFFF0-0xFFFF. In
// this case, the moduleInfoByte structure contains the ModuleInfo
// structure as defined by DAVIC with the privateDataByte field of that
// structure as a loop of descriptors.
// ISO 13818-6:2000 11.3.3.2
if (mId < 0xFFF0) {
BIOP_ModuleInfo (v, b, len2);
} else {
print_databytes (v, "moduleInfoBytes: ", b, len2); // $$$ TODO Davic
}
b += len2;
len -= len2;
indent (-1);
}
out_NL (v);
indent (-1);
len2 = outBit_Sx_NL (v,"privateDataLength: ", b, 0, 16);
print_databytes (v, "privat Data: ", b+2, len2); // $$$ TODO ???
// b += 2 + len2;
// len -= 2 + len2;
return len_org;
}
void section_TVA_RNT (u_char *b, int len)
{
/* TS 102 323 */
u_int len1,len2;
u_int table_id;
u_int section_length;
out_nl (3,"RNT-decoding....");
table_id = outBit_S2x_NL (3,"Table_ID: ", b, 0, 8,
(char *(*)(u_long))dvbstrTableID );
if (table_id != 0x79) {
out_nl (3,"wrong Table ID");
return;
}
outBit_Sx_NL (3,"Section_syntax_indicator: ", b, 8, 1);
outBit_Sx_NL (6,"reserved: ", b, 9, 1);
outBit_Sx_NL (6,"reserved: ", b,10, 2);
section_length = outBit_Sx_NL (5,"section_length: ", b,12,12);
outBit_Sx_NL (3,"context_id: ", b,24, 16);
outBit_Sx_NL (6,"reserved_3: ", b,40, 2);
outBit_Sx_NL (3,"version_number: ", b,42, 5);
outBit_S2x_NL(3,"Current_next_indicator: ", b,47, 1,
(char *(*)(u_long))dvbstrCurrentNextIndicator );
outBit_Sx_NL (3,"Section_number: ", b,48, 8);
outBit_Sx_NL (3,"Last_section_number: ", b,56, 8);
outBit_S2x_NL(3,"context_id_type: ", b,64, 8,
(char *(*)(u_long))dvbstrTVA_content_id_type );
len2 = outBit_Sx_NL (3,"common_descriptor_length: ", b,72, 12);
outBit_Sx_NL (6,"reserved: ", b,84, 4);
b += 11;
len1 = section_length - 8;
// common descriptor loop
out_nl (3,"Common_descriptor_loop:");
indent (+1);
while (len2 > 0) {
int i;
i = descriptor (b, TVA_RNT);
b += i;
len1 -= i;
len2 -= i;
out_NL (4);
}
indent (-1);
// resolution provider info loop
out_nl (3,"resolution_provider_info_loop:");
indent (+1);
while (len1 > 0) {
int len2, len3;
len2 = outBit_Sx_NL (3,"resolution_provider_info_length: ", b, 0, 12);
outBit_Sx_NL (6,"reserved: ", b, 12, 4);
len3 = outBit_Sx_NL (3,"resolution_provider_name_length: ", b, 16, 8);
print_std_ascii (3,"resolution_provider_name: ", b+3, len3);
b += len3 + 3;
len1 -= len3 + 3;
len2 -= len3 + 3;
// resolution_provider_descriptors loop
len3 = outBit_Sx_NL (3,"resolution_provider_descriptor_length: ", b, 0, 12);
outBit_Sx_NL (6,"reserved: ", b, 12, 4);
b += 2;
len1 -= 2;
len2 -= 2;
out_nl (3,"resolution_provider_descriptor_loop:");
indent (+1);
while (len3 > 0) {
int i;
i = descriptor (b, TVA_RNT);
b += i;
len1 -= i;
len2 -= i;
len3 -= i;
out_NL (4);
}
indent (-1);
// CRID_authority loop
out_nl (3,"CRID_authority_loop:");
indent (+1);
while (len2 > 0) {
len3 = outBit_Sx_NL (3,"CRID_authority_name_length: ", b, 0, 8);
print_std_ascii (3,"CRID_authority_name: ", b+1, len3);
b += len3 + 1;
len1 -= len3 + 1;
len2 -= len3 + 1;
// CRID_authority_descriptors loop
len3 = outBit_Sx_NL (3,"CRID_authority_descriptors_length: ", b, 0, 12);
outBit_Sx_NL (6,"reserved: ", b, 12, 4);
b += 2;
len1 -= 2;
len2 -= 2;
out_nl (3,"CRID_authority_descriptor_loop:");
indent (+1);
while (len3 > 0) {
int i;
i = descriptor (b, TVA_RNT);
b += i;
len1 -= i;
len2 -= i;
len3 -= i;
out_NL (4);
}
indent (-1);
}
indent (-1);
}
indent (-1);
outBit_Sx_NL (5,"CRC: ", b,0,32);
}
void section_DSMCC_DATAGRAM (u_char *b, int len)
{
/* EN 301 192 7.x */
// $$$ TODO this differs from ISO/IEC 13818-6:1998 AMD_1_2000_Cor_1_2002
typedef struct _DATAGRAM {
u_int table_id;
u_int section_syntax_indicator;
u_int private_indicator;
u_int reserved_1;
u_int section_length;
u_int MAC_addr6;
u_int MAC_addr5;
u_int reserved_2;
u_int payload_scrambling_control;
u_int address_scrambling_control;
u_int LLC_SNAP_flag;
u_int current_next_indicator;
u_int section_number;
u_int last_section_number;
u_int MAC_addr4;
u_int MAC_addr3; // MAC-Bits: MSB first order
u_int MAC_addr2;
u_int MAC_addr1;
// conditional
// LLC SNAP according ISO 8802-2
// N ip datagram bytes
u_int ip_datagram_data_bytes;
// conditional
u_int stuffing_bytes;
// conditional
unsigned long crc_checksum;
} DATAGRAM;
DATAGRAM d;
int len1;
d.table_id = b[0];
d.section_syntax_indicator = getBits (b, 0, 8, 1);
d.private_indicator = getBits (b, 0, 9, 1); // $$$ TODO error indicator
d.reserved_1 = getBits (b, 0, 10, 2);
d.section_length = getBits (b, 0, 12, 12);
d.MAC_addr6 = getBits (b, 0, 24, 8);
d.MAC_addr5 = getBits (b, 0, 32, 8);
d.reserved_2 = getBits (b, 0, 40, 2);
d.payload_scrambling_control = getBits (b, 0, 42, 2);
d.address_scrambling_control = getBits (b, 0, 44, 2);
d.LLC_SNAP_flag = getBits (b, 0, 46, 1);
d.current_next_indicator = getBits (b, 0, 47, 1);
d.section_number = getBits (b, 0, 48, 8);
d.last_section_number = getBits (b, 0, 56, 8);
d.MAC_addr4 = getBits (b, 0, 64, 8);
d.MAC_addr3 = getBits (b, 0, 72, 8);
d.MAC_addr2 = getBits (b, 0, 80, 8);
d.MAC_addr1 = getBits (b, 0, 88, 8);
// MAC-Bits: MSB first !
b += 12;
len1 = d.section_length - 9;
out_nl (3,"DSM-CC DATAGRAM-decoding....");
out_S2B_NL (3,"Table_ID: ",d.table_id, dvbstrTableID (d.table_id));
if (d.table_id != 0x3e) {
out_nl (3,"wrong Table ID");
return;
}
out_SB_NL (3,"section_syntax_indicator: ",d.section_syntax_indicator);
out_SB_NL (3,"private_indicator: ",d.private_indicator);
out_SB_NL (6,"reserved_1: ",d.reserved_1);
out_SW_NL (5,"Section_length: ",d.section_length);
out_SB_NL (5,"MACaddrbyte/DevicdID 6: ",d.MAC_addr6);
out_SB_NL (5,"MACaddrbyte/DeviceID 5: ",d.MAC_addr5);
out_SB_NL (6,"reserved_2: ",d.reserved_2);
out_S2B_NL (3,"payload_scrambling_control: ",d.payload_scrambling_control,
dsmccStrPayload_scrambling_control(d.payload_scrambling_control));
out_S2B_NL (3,"address_scrambling_control: ",d.address_scrambling_control,
dsmccStrAddress_scrambling_control(d.address_scrambling_control));
out_SB_NL (3,"LLC_SNAP_flag: ",d.LLC_SNAP_flag);
out_S2B_NL(3,"current_next_indicator: ",d.current_next_indicator, dvbstrCurrentNextIndicator(d.current_next_indicator));
out_SB_NL (3,"Section_number: ",d.section_number);
out_SB_NL (3,"Last_Section_number: ",d.last_section_number);
out_SB_NL (5,"MACaddrbyte/DeviceID 4: ",d.MAC_addr4);
out_SB_NL (5,"MACaddrbyte/DeviceID 3: ",d.MAC_addr3);
out_SB_NL (5,"MACaddrbyte/DeviceID 2: ",d.MAC_addr2);
out_SB (5,"MACaddrbyte/DeviceID 1: ",d.MAC_addr1);
out_nl (3," => MAC-Address/DeviceID: %02x:%02x:%02x:%02x:%02x:%02x",
d.MAC_addr1,d.MAC_addr2,d.MAC_addr3,
d.MAC_addr4,d.MAC_addr5,d.MAC_addr6);
if (d.LLC_SNAP_flag == 0x01) {
/* ISO/IEC 8802-2 */
int k;
k = llc_snap (4, b);
} else {
net_IP_data (4, b, len1-4);
}
b += (len1 - 4);
outBit_Sx_NL (5, (d.section_syntax_indicator)
?"CRC: " :"Checksum: ", b,0,32);
}
void ebu_rfl_out (int v, u_char *b)
{
outBit_Sx_NL (6,"reserved: ", b, 0, 2);
outBit_Sx_NL (v,"field_parity: ", b, 2, 1);
outBit_Sx_NL (v,"line_offset: ", b, 3, 5);
}
int dsmcc_GroupInfoIndication (int v, u_char *b, u_int len_org)
{
int len = len_org;
int n_groups;
int i;
int len2;
// -- due to some misbehavior of some service providers
// -- we do a simple plausi check for group_counts_min_bytes > len
i = getBits (b, 0, 0, 16); // group_counts
i = i * 8 + 2;
if (i > len_org) { // this is no GroupInfo
print_databytes (v,"Data Bytes (non-standard):", b, len_org);
return len_org;
}
out_nl (v,"GroupInfoIndication:");
indent (+1);
n_groups = outBit_Sx_NL (v,"NumberOfGroups: ", b, 0, 16);
b += 2;
len -= 2;
for (i=0; i < n_groups; i++) {
out_NL (v);
if (len <= 0) {
out_nl (v, "... => strange len <= 0 and still group count > 0 (abort)");
break;
}
out_nl (v, "Group (%d):",i);
indent (+1);
outBit_Sx_NL (v,"GroupId: ", b, 0, 32);
outBit_Sx_NL (v,"GroupSize: ", b, 32, 32);
b += 8;
len -= 8;
// GroupCompatibility()
len2 = dsmcc_CompatibilityDescriptor (b);
b += len2;
len -= len2;
len2 = outBit_Sx_NL (v,"GroupInfoLength: ", b, 0, 16);
// print_databytes (v, "GroupInfoBytes: ", b+2, len2); // $$$ TODO
dsmcc_CarouselDescriptor_Loop ("GroupInfo", b+2, len2);
b += 2+len2;
len -= 2+len2;
len2 = outBit_Sx_NL (v,"PrivateDataLength: ", b, 0, 16);
print_private_data (v, b+2, len2); // $$$ What to do here?
b += 2+len2;
len -= 2+len2;
indent (-1);
}
indent (-1);
out_NL (v);
return len_org;
}
void mpeg_system_header (int v, u_char *b, int len)
{
/* z.B. H.222 ISO 13818-1 Table 2-34 */
/* ISO 11172-1 system header */
if (len == 0) return;
out_nl (v,"System_header: ");
indent (+1);
if (len > 0) {
// -- within PES packet, not PS!
outBit_Sx_NL (v,"system_header_start_code: ", b, 0, 32);
}
// -- get real length from system_header data
len = outBit_Sx_NL (v,"header_length: ", b, 32, 16);
outBit_Sx_NL (v,"marker_bit: ", b, 48, 1);
outBit_Sx_NL (v,"rate_bound: ", b, 49, 22);
outBit_Sx_NL (v,"marker_bit: ", b, 71, 1);
outBit_Sx_NL (v,"audio_bound: ", b, 72, 6);
outBit_Sx_NL (v,"fixed_flag: ", b, 78, 1);
outBit_Sx_NL (v,"CSPS_flag: ", b, 79, 1);
outBit_Sx_NL (v,"system_audio_lock_flag: ", b, 80, 1);
outBit_Sx_NL (v,"system_video_lock_flag: ", b, 81, 1);
outBit_Sx_NL (v,"marker_bit: ", b, 82, 1);
outBit_Sx_NL (v,"video_bound: ", b, 83, 5);
outBit_Sx_NL (v,"packet_rate_restriction_flag: ", b, 88, 1);
outBit_Sx_NL (v,"reserved_byte: ", b, 89, 7);
b += 12;
len -= 12;
// while (nextbits () == '1') {
// while ((bit = getBits (b, 0,0,1)) == 0x01) {
while ( (*b & 0x80) ) {
if (len <= 0) break;
out_NL (v);
outBit_S2x_NL(v,"Stream_id: ", b, 0, 8,
(char *(*)(u_long))dvbstrPESstream_ID );
outBit_Sx_NL (v,"fixed (0x02): ", b, 8, 2);
outBit_Sx_NL (v,"P-STD_buffer_bound_scale: ", b, 10, 1);
outBit_Sx_NL (v,"P-STD_buffer_size_bound: ", b, 11, 13);
b += 3;
len -= 3;
if (len < 0) out_nl (1, "$$$ something wrong here (length<0)");
}
indent (-1);
}
void section_PRIVATE_PremiereDE_CPT (u_char *b, int len)
{
u_int table_id;
u_int section_syntax_indicator;
u_int section_length;
u_int time_MJD, time_UTC;
u_int i, content_list_length;
out_nl (3,"User_Defined-decoding....");
table_id = outBit_S2Tx_NL (3,"Table_ID: ", b, 0, 8,
"Premiere Content Presentation Table");
if (table_id != 0xa1) {
out_nl (3,"wrong Table ID");
return;
}
section_syntax_indicator =
outBit_Sx_NL (3,"Section_syntax_indicator: ", b, 8, 1); // == 1
outBit_Sx_NL (3,"private_indicator: ", b, 9, 1);
outBit_Sx_NL (6,"reserved: ", b,10, 2);
section_length =
outBit_Sx_NL (5,"private_section_length: ", b,12,12);
outBit_Sx_NL (3,"table_id_extension: ", b, 24,16);
outBit_Sx_NL (6,"reserved: ", b, 40, 2);
outBit_Sx_NL (3,"Version_number: ", b, 42, 5);
outBit_S2x_NL(3,"Current_next_indicator: ", b, 47, 1,
(char *(*)(u_long))dvbstrCurrentNextIndicator );
outBit_Sx_NL (3,"Section_number: ", b, 48, 8);
outBit_Sx_NL (3,"Last_section_number: ", b, 56, 8);
b += 8;
section_length -= 5;
//
// -- Premiere Content Presentation Table CIT
// -- provided by Peter.Pavlov (Premiere.de)
//
outBit_Sx_NL (4,"Transport_stream_ID: ",b, 0, 16);
outBit_Sx_NL (4,"Original_network_ID: ",b, 16, 16);
outBit_Sx_NL (4,"virtual_channel_id: ",b, 32, 32);
outBit_Sx_NL (4,"virtual_channel_name_length: ",b, 64, 8);
b+=8;
print_text_468A (4, "virtual_channel_name: ", b+1, *b);
section_length -= 9+*b;
b += *b+1;
outBit_Sx_NL (4,"reserved: ",b, 0, 4);
outBit_Sx_NL (4,"virtual_channel_info_length: ",b, 4, 12);
b+=2;
section_length -= 2;
while (section_length > 4) {
time_MJD = getBits (b, 0, 0, 16);
time_UTC = getBits (b, 0, 16, 24);
out (4,"start_time: ");
print_time40 (4, time_MJD, time_UTC);
out_NL (4);
out_nl (4,"duration: %02x:%02x:%02x",
*(b+5), *(b+6), *(b+7));
b+=8;
outBit_Sx_NL (4,"virtual_event_name_length: ",b, 0, 8);
print_text_468A (4, "virtual_event_name: ", b+1, *b);
section_length -= *b+9;
b += *b+1;
outBit_Sx_NL (4,"virtual_event_info_length: ",b, 0, 8);
print_text_468A (4, "virtual_event_info: ", b+1, *b);
section_length -= *b+1;
b += *b+1;
outBit_Sx_NL (4,"reserved: ",b, 0, 4);
outBit_Sx_NL (4,"content_list_length: ",b, 4, 12);
content_list_length = ((b[0]&15)<<8)+b[1];
for(i=0, b+=2; i<content_list_length; i+=4, b+=4)
{
outBit_Sx_NL (4,"content_id: ",b, 0, 32);
}
section_length -= content_list_length+2;
}
outBit_Sx_NL (5,"CRC: ", b, 0, 32);
}
