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Improved CAM handling
This commit is contained in:
Klaus Schmidinger
parent
5693873b9b
commit
b7777e230c
3
HISTORY
3
HISTORY
@ -1942,7 +1942,8 @@ Video Disk Recorder Revision History
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Kirchgatterer and Robert Schiele).
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- Fixed skipping unavailable channels in the EPG scanner.
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2003-01-26: Version 1.1.23
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2003-02-02: Version 1.1.23
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- Fixed a new/delete malloc/free mismatch in ringbuffer.c (thanks to Stefan
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Huelswitt for reporting this one).
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- Improved CAM handling.
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63
ci.c
63
ci.c
@ -4,7 +4,7 @@
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* See the main source file 'vdr.c' for copyright information and
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* how to reach the author.
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*
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* $Id: ci.c 1.2 2003/01/11 11:15:19 kls Exp $
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* $Id: ci.c 1.3 2003/02/02 15:49:52 kls Exp $
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*/
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/* XXX TODO
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@ -13,7 +13,6 @@
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- update CA descriptors in case they change
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- dynamically react on CAM insert/remove
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- implement CAM reset (per slot)
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- implement a CA enquiry menu with actual user input
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XXX*/
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#include "ci.h"
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@ -45,7 +44,7 @@ static int SysLogLevel = 3;
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static bool DumpTPDUDataTransfer = false;
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static bool DebugProtocol = false;
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#define dbgprotocol(a...) if (DebugProtocol) printf(a)
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#define dbgprotocol(a...) if (DebugProtocol) fprintf(stderr, a)
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#define OK 0
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#define TIMEOUT -1
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@ -460,19 +459,32 @@ cCiTransportConnection *cCiTransportLayer::NewConnection(void)
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return NULL;
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}
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#define CA_RESET_TIMEOUT 2 // seconds
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#define CA_RESET_TIMEOUT 3 // seconds
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bool cCiTransportLayer::ResetSlot(int Slot)
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{
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dbgprotocol("Resetting slot %d...", Slot);
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ca_slot_info_t sinfo;
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sinfo.num = Slot;
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ioctl(fd, CA_RESET, Slot);
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if (ioctl(fd, CA_RESET, 1 << Slot) != -1) {
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time_t t0 = time(NULL);
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do {
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if (ioctl(fd, CA_GET_SLOT_INFO, &sinfo) != -1) {
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ioctl(fd, CA_GET_SLOT_INFO, &sinfo);
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if ((sinfo.flags & CA_CI_MODULE_READY) != 0)
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if ((sinfo.flags & CA_CI_MODULE_READY) != 0) {
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dbgprotocol("ok.\n");
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return true;
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}
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}
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else {
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esyslog("ERROR: can't get info on CAM slot %d: %m", Slot);
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break;
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}
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} while (time(NULL) - t0 < CA_RESET_TIMEOUT);
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}
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else
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esyslog("ERROR: can't reset CAM slot %d: %m", Slot);
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dbgprotocol("failed!\n");
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return false;
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}
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@ -818,7 +830,27 @@ cCiConditionalAccessSupport::cCiConditionalAccessSupport(int SessionId, cCiTrans
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bool cCiConditionalAccessSupport::Process(int Length, const uint8_t *Data)
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{
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if (state == 0) {
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if (Data) {
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int Tag = GetTag(Length, &Data);
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switch (Tag) {
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case AOT_CA_INFO: {
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dbgprotocol("%d: <== Ca Info", SessionId());
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int l = 0;
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const uint8_t *d = GetData(Data, l);
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while (l > 1) {
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dbgprotocol(" %04X", ((unsigned int)(*d) << 8) | *(d + 1));
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d += 2;
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l -= 2;
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}
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dbgprotocol("\n");
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}
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state = 2;
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break;
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default: esyslog("ERROR: CI conditional access support: unknown tag %06X", Tag);
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return false;
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}
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}
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else if (state == 0) {
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dbgprotocol("%d: ==> Ca Info Enq\n", SessionId());
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SendData(AOT_CA_INFO_ENQ);
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state = 1;
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@ -828,7 +860,7 @@ bool cCiConditionalAccessSupport::Process(int Length, const uint8_t *Data)
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bool cCiConditionalAccessSupport::SendPMT(cCiCaPmt &CaPmt)
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{
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if (state == 1) {
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if (state == 2) {
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SendData(AOT_CA_PMT, CaPmt.length, CaPmt.capmt);
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return true;
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}
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@ -1186,27 +1218,27 @@ cCiCaPmt::cCiCaPmt(int ProgramNumber)
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capmt[length++] = (ProgramNumber >> 8) & 0xFF;
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capmt[length++] = ProgramNumber & 0xFF;
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capmt[length++] = 0x00; //XXX version_number, current_next_indicator - apparently may be 0x00
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capmt[length++] = 0x00; //XXX program_info_length H (at program level)
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capmt[length++] = 0x00; //XXX program_info_length L
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esInfoLengthPos = 0;
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esInfoLengthPos = length;
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capmt[length++] = 0x00; // program_info_length H (at program level)
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capmt[length++] = 0x00; // program_info_length L
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}
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void cCiCaPmt::AddPid(int Pid)
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{
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//XXX buffer overflow check???
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capmt[length++] = 0x00; //XXX stream_type (apparently doesn't matter)
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capmt[length++] = (Pid >> 8) & 0xFF;
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capmt[length++] = Pid & 0xFF;
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esInfoLengthPos = length;
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capmt[length++] = 0x00; // ES_info_length H (at ES level)
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capmt[length++] = 0x00; // ES_info_length L
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}
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void cCiCaPmt::AddCaDescriptor(int Length, uint8_t *Data)
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{
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if (esInfoLengthPos) {
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if (esInfoLengthPos == length) {
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length += 2;
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capmt[length++] = CPCI_OK_DESCRAMBLING;
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}
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if (length + Length < int(sizeof(capmt))) {
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capmt[length++] = CPCI_OK_DESCRAMBLING;
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memcpy(capmt + length, Data, Length);
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length += Length;
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int l = length - esInfoLengthPos - 2;
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@ -1215,6 +1247,7 @@ void cCiCaPmt::AddCaDescriptor(int Length, uint8_t *Data)
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}
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else
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esyslog("ERROR: buffer overflow in CA descriptor");
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esInfoLengthPos = 0;
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}
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else
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esyslog("ERROR: adding CA descriptor without Pid!");
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19
dvbdevice.c
19
dvbdevice.c
@ -4,7 +4,7 @@
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* See the main source file 'vdr.c' for copyright information and
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* how to reach the author.
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*
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* $Id: dvbdevice.c 1.41 2003/01/06 14:44:27 kls Exp $
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* $Id: dvbdevice.c 1.42 2003/02/02 15:31:31 kls Exp $
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*/
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#include "dvbdevice.h"
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@ -263,22 +263,15 @@ void cDvbTuner::Action(void)
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int length = cSIProcessor::GetCaDescriptors(channel.Source(), channel.Frequency(), channel.Sid(), sizeof(buffer), buffer);
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if (length > 0) {
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cCiCaPmt CaPmt(channel.Sid());
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if (channel.Vpid()) {
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CaPmt.AddCaDescriptor(length, buffer);
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if (channel.Vpid())
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CaPmt.AddPid(channel.Vpid());
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CaPmt.AddCaDescriptor(length, buffer);
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}
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if (channel.Apid1()) {
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if (channel.Apid1())
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CaPmt.AddPid(channel.Apid1());
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CaPmt.AddCaDescriptor(length, buffer);
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}
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if (channel.Apid2()) {
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if (channel.Apid2())
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CaPmt.AddPid(channel.Apid2());
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CaPmt.AddCaDescriptor(length, buffer);
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}
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if (channel.Dpid1()) {
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if (channel.Dpid1())
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CaPmt.AddPid(channel.Dpid1());
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CaPmt.AddCaDescriptor(length, buffer);
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}
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caSet = ciHandler->SetCaPmt(CaPmt);
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}
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}
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6
eit.c
6
eit.c
@ -16,7 +16,7 @@
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* $Id: eit.c 1.64 2003/01/26 12:21:15 kls Exp $
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* $Id: eit.c 1.65 2003/02/02 15:41:03 kls Exp $
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***************************************************************************/
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#include "eit.h"
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@ -1349,7 +1349,7 @@ void cSIProcessor::Action()
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/** Add a filter with packet identifier pid and
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table identifer tid */
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bool cSIProcessor::AddFilter(u_char pid, u_char tid)
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bool cSIProcessor::AddFilter(unsigned short pid, u_char tid)
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{
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dmx_sct_filter_params sctFilterParams;
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memset(&sctFilterParams, 0, sizeof(sctFilterParams));
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@ -1390,7 +1390,7 @@ bool cSIProcessor::AddFilter(u_char pid, u_char tid)
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return false;
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}
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bool cSIProcessor::DelFilter(u_char pid, u_char tid)
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bool cSIProcessor::DelFilter(unsigned short pid, u_char tid)
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{
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for (int a = 0; a < MAX_FILTERS; a++)
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{
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8
eit.h
8
eit.h
@ -16,7 +16,7 @@
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* $Id: eit.h 1.23 2003/01/04 10:12:54 kls Exp $
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* $Id: eit.h 1.24 2003/02/02 14:07:39 kls Exp $
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***************************************************************************/
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#ifndef __EIT_H
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@ -127,7 +127,7 @@ public:
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typedef struct sip_filter {
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u_char pid;
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unsigned short pid;
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u_char tid;
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int handle;
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bool inuse;
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@ -155,8 +155,8 @@ private:
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char *fileName;
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bool active;
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void Action(void);
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bool AddFilter(u_char pid, u_char tid);
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bool DelFilter(u_char pid, u_char tid);
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bool AddFilter(unsigned short pid, u_char tid);
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bool DelFilter(unsigned short pid, u_char tid);
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bool ShutDownFilters(void);
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public:
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cSIProcessor(const char *FileName);
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