Changeset 40787

Timestamp:

08/22/17 16:57:29 (6 years ago)

Author:

gost

Message:

[titan] add scan dvb-t2 step1

File:

• titan/titan/scan.h (modified) (5 diffs)

titan/titan/scan.h

@@ -313 +313 @@
 
         return tpnode;
+}
+
+//struct transponder* terrsystemdesc2(unsigned char* buf, uint64_t transportid, unsigned short onid, int orbitalpos)
+int terrsystemdesc2(unsigned char* buf, uint64_t transportid, unsigned short onid, int orbitalpos)
+{
+        int modulation = 0, hp = 0, lp = 0;
+        int bandwidth = 0, hierarchy = 0, guardinterval = 0;
+        int transmission = 0;
+        int plp_id = 0;
+        int i = 0;
+        unsigned int frequency = 0;
+        uint64_t id = 0;
+        struct transponder *tpnode = NULL;
+        int addtrans = 0;
+        
+        if(buf == NULL) return -1;
+                
+        int dlen = buf[1];
+        if (dlen < 5)
+        {
+                debug(500, "exit DVB-T2 desc... length < 5");
+                return -1;      
+        }
+        
+
+        bandwidth = ((buf[6] >> 2) & 0x0f);
+        switch (bandwidth)
+        {
+                case 0: bandwidth = 8000000; break;
+                case 1: bandwidth = 7000000; break;
+                case 2: bandwidth = 6000000; break;
+                case 3: bandwidth = 5000000; break;
+                case 4: bandwidth = 1712000; break;
+                case 5: bandwidth = 10000000; break;
+                default: bandwidth = 0; break;
+        }
+        guardinterval = ((buf[7] >> 5) & 0x3);
+        switch (guardinterval)
+        {
+                case 0: guardinterval = GUARD_INTERVAL_1_32; break;
+                case 1: guardinterval = GUARD_INTERVAL_1_16; break;
+                case 2: guardinterval = GUARD_INTERVAL_1_8; break;
+                case 3: guardinterval = GUARD_INTERVAL_1_4; break;
+                case 4: guardinterval = GUARD_INTERVAL_1_128; break;
+                case 5: guardinterval = GUARD_INTERVAL_19_128; break;
+                case 6: guardinterval = GUARD_INTERVAL_19_256; break;
+                case 7: guardinterval = GUARD_INTERVAL_AUTO; break;
+        }
+        transmission = (buf[7] >> 2 & 0x3);
+        switch (transmission)
+        {
+                case 0: transmission_mode = TRANSMISSION_MODE_2K; break;
+                case 1: transmission_mode = TRANSMISSION_MODE_8K; break;
+                case 2: transmission_mode = TRANSMISSION_MODE_4K; break;
+                case 3: transmission_mode = TRANSMISSION_MODE_1K; break;
+                case 4: transmission_mode = TRANSMISSION_MODE_16K; break;
+                case 5: transmission_mode = TRANSMISSION_MODE_32K; break;
+                default: transmission_mode = TRANSMISSION_MODE_AUTO; break;
+        }
+        plp_id = buf[3];
+        hp = lp = FEC_AUTO;
+        hierarchy = HIERARCHY_AUTO;
+        modulation = QAM_AUTO;
+        inversion = INVERSION_UNKNOWN;
+        //inversion = INVERSION_AUTO;
+        system = SYSTEM_DVB_T2;
+
+        char* loop1 = buf + 8;     //call_id
+        char* loop2 = buf + 11;    //centre_frequency if Flag == 1
+        char* loop3 = buf + 10;    //centre_frequency if Flag == 0
+        unsigned int cfre = 0;
+        int i = 0;
+        int i2 = 0;
+        int step1 = 0;
+        int step2 = 0;
+        int sillen = 0;
+        int fllen = 0;
+        
+        int flag = (buf[7] & 0x1);
+
+        id = ((onid << 16) | transportid) & 0xffffffff;
+        id = id | ((uint64_t)2 << 32);
+
+        if (flag == 0)
+        {
+                for(i = 0; i < dlen-6; i=i+step1)
+                {
+                        step1 = 6;
+                
+                        cfre = ((loop3[i] << 24) & 0xff000000);
+                        cfre = cfre | ((loop3[i+1] << 16) & 0xff0000);
+                        cfre = cfre | ((loop3[i+2] << 8) & 0xff00);
+                        cfre = cfre | (loop3[i+3] & 0xff);
+                        frequency = cfre * 10;
+                        debug(500, "nitscan DVB-T2 - Flag=%d -> id=%llu freq=%d bandwidth=%d hp=%d lp=%d modulation=%d guard=%d trans=%d hierarchy=%d tpnode=%p", flag, id, frequency, bandwidth, hp, lp, modulation, guardinterval, transmission, hierarchy, tpnode);
+                        tpnode = createtransponder(id, FE_OFDM, orbitalpos, frequency, inversion, bandwidth, lp, hp, modulation, guardinterval, transmission, hierarchy);
+                        if(tpnode != NULL)
+                                addtrans++;
+                        else
+                                err("not add nitscan DVB-T2 - Flag=%d -> id=%llu frequency:%s", flag, id, frequency);
+                        sillen = loop3[i+4];
+                        step1 = step1 + sillen;
+                }
+        }
+        else
+        {
+                for(i = 0; i < dlen-6; i=i+step1)
+                {       
+                        fllen = loop1[i+2];
+                        step1 = 3;
+                        step1 = step1 + fllen 
+                        for(i2 = 0; i2 < fllen; i2=i2+4)
+                        {
+                                cfre = ((loop2[i2] << 24) & 0xff000000);
+                                cfre = cfre | ((loop2[i2+1] << 16) & 0xff0000);
+                                cfre = cfre | ((loop2[i2+2] << 8) & 0xff00);
+                                cfre = cfre | (loop2[i2+3] & 0xff);
+                                frequency = cfre * 10;
+                                debug(500, "nitscan DVB-T2 - Flag=%d -> id=%llu freq=%d bandwidth=%d hp=%d lp=%d modulation=%d guard=%d trans=%d hierarchy=%d tpnode=%p", flag, id, frequency, bandwidth, hp, lp, modulation, guardinterval, transmission, hierarchy, tpnode);
+                                tpnode = createtransponder(id, FE_OFDM, orbitalpos, frequency, inversion, bandwidth, lp, hp, modulation, guardinterval, transmission, hierarchy);
+                                if(tpnode != NULL)
+                                        addtrans++;
+                                else
+                                        err("not add nitscan DVB-T2 - Flag=%d -> id=%llu frequency:%s", flag, id, frequency);
+                        }
+                        sillen = loop2[i2];
+                        step1 = step1 + sillen;
+                }
+        }
+        //return tpnode;
+        return addtrans;
 }
 
@@ -383 +514 @@
                         switch(buf[pos2])
                         {
-                                case 0x41:
+                                case 0x41: //service_list_descriptor
                                         //servicelistdesc(buf + pos2, transponderid, onid);
                                         break;
-                                case 0x43:
+                                case 0x43: //satellite_delivery_system_descriptor
                                         if(satsystemdesc(buf + pos2, transponderid, onid, orbitalpos) != NULL)
                                         {
@@ -394 +525 @@
                                         }
                                         break;
-                                case 0x44:
+                                case 0x44: //cable_delivery_system_descriptor
                                         if(cablesystemdesc(buf + pos2, transponderid, onid, orbitalpos) != NULL)
                                         {
@@ -402 +533 @@
                                         }
                                         break;
-                                case 0x5A:
+                                case 0x5A: //terrestrial_delivery_system_descriptor
                                         if(terrsystemdesc(buf + pos2, transponderid, onid, orbitalpos) != NULL)
                                         {
@@ -410 +541 @@
                                         }
                                         break;
-                                case 0x62:
+                                case 0x62: //frequency_list_descriptor
                                         //frequencylistdesc(buf + pos2);
+                                        break;
+                                case 0x7F: //extension_descriptor
+                                        {
+                                                switch(buf[pos2+2])
+                                                case 0x04: //T2_delivery_system_descriptor
+                                                        ret = terrsystemdesc2(buf + pos2, transponderid, onid, orbitalpos);
+                                                        //if(terrsystemdesc2(buf + pos2, transponderid, onid, orbitalpos) > 0)
+                                                        if(ret > 0)
+                                                        {
+                                                                scaninfo.tpnew = scaninfo.tpnew + ret;
+                                                                if(scaninfo.scantype != 0)
+                                                                        scaninfo.tpmax = scaninfo.tpmax + ret;
+                                                        }
+                                                        ret = 0;
+                                                        break;
+                                        }
                                         break;
                         }