u_long outBit_Sx_NL (int verbosity, const char *text, u_char *buf, int startbit, int bitlen)
{
u_long value;
value = outBit_Sx (verbosity,text,buf,startbit,bitlen);
out_NL (verbosity);
return value;
}
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);
}
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;
}
int print_vps_decode (int v, u_char *b, int len)
{
// warning! Nipples e.g. _2_7 may not be msb...lsb order!
// see: ETSI EN 300 231 for this notation!
u_int pcs;
u_int cni_1_4;
u_int pil;
u_int pty;
u_int day, month, hour, minute;
u_int country_5_8;
u_int npp, npp_0_1, npp_2_7;
out_nl (v,"VPS data:");
print_databytes (8,"Data:", b, len);
indent (+1);
// -- starts at EN 300 231 8.2.2 Fig.9 Table
// -- Byte 3..15 , so byte 3 => [0]
// -- vps_data_block:
// -- Byte 3+4: not relevant to PDC
// -- Info from datasheet SAA4700 (Philips)
outBit_Sx_NL (v,"(program source identification (binary coded)): ", b, 0, 8);
outBit_Sx_NL (v,"(program source identification (ASCII seq)): ", b+1, 0, 8);
// -- PCS
pcs = outBit_S2x_NL (v,"PCS audio: ", b+2, 0, 2,
(char *(*)(u_long)) dvbstrVPS_pcs_audio );
pcs = outBit_Sx_NL (v,"PCS reserved: ", b+2, 2, 2);
cni_1_4 = outBit_Sx (v,"CNI reserved: ", b+2, 4, 4);
if (cni_1_4 == 0x0F) out_nl (4, " [= Unenhanced VPS]");
else out_nl (4, " [= Enhanced VPS]");
// -- Byte 6..10: not relevant to PDC
// -- Info from datasheet SAA4700 (Philips)
outBit_Sx_NL (v,"(program/test picture identification): ", b+3, 0, 8);
outBit_Sx_NL (v,"(internal information exchange): ", b+4, 0, 8);
outBit_Sx_NL (v,"(address assignment of signal distribution): ", b+5, 0, 16);
outBit_Sx_NL (v,"(messages/commands): ", b+7, 0, 8);
pil = getBits (b, 8, 2, 20);
npp_0_1 = getBits (b, 8, 0, 2);
day = getBits (b, 8, 2, 5);
month = getBits (b, 8, 7, 4);
hour = getBits (b, 8, 11, 5);
minute = getBits (b, 8, 16, 6);
country_5_8 = getBits (b, 8, 22, 4);
npp_2_7 = getBits (b, 8, 26, 6);
pty = getBits (b, 8, 32, 8); // byte 15
out_SB_NL (v,"NPP_1: ", npp_0_1);
out_ST (v,"Program Identificaion Label (PIL): ", pil);
if (day != 0x00) {
out_nl (v," [= month=%d day=%d hour=%d min=%d]",
month, day, hour, minute);
} else {
char *s;
switch (pil) {
case 0x07FFF: s = "Timer-control code (TC)"; break;
case 0x07FBF: s = "Record inhibit/Terminate (RI/T)"; break;
case 0x07F7F: s = "Interrruption code (INT)"; break;
case 0x07F3F: s = "Continuation code"; break;
case 0xFFFFF: s = "Program selected by PTY"; break;
default: s = "UNKOWN code"; break;
}
out_nl (v," [= %s]",s);
}
out_S2B_NL (v,"Country: ", country_5_8,
dvbstrVPS_cni_countrycode(1+(country_5_8 << 4)) );
out_SB_NL (v,"NPP_2: ", npp_2_7);
npp = (npp_0_1 << 6) + (npp_2_7); // msb ... lsb
out_S2B_NL (v," ==> Network/Program Provider (NPP): ", npp, dvbstrVPS_npp(npp) );
out_S2B_NL (v,"Program Type (PTY): ", pty, dvbstrVPS_pty(pty) );
indent (-1);
return len;
}
