mirror of
https://github.com/VDR4Arch/vdr.git
synced 2023-10-10 13:36:52 +02:00
Mapping PIDs in CanDecrypt(); improved description of Start-/StopDecrypting(); removed obsolete cMtdCamSlot::IsDecrypting(); fixed getting device fpr channel up/down
This commit is contained in:
parent
b7be7c900a
commit
2d9eb7e25d
14
ci.c
14
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 4.7 2017/03/18 15:20:27 kls Exp $
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* $Id: ci.c 4.8 2017/03/23 14:30:56 kls Exp $
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*/
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#include "ci.h"
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@ -2205,6 +2205,8 @@ void cCamSlot::BuildCaPmts(uint8_t CmdId, cCiCaPmtList &CaPmtList, cMtdMapper *M
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}
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}
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}
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else if (CmdId == CPCI_NOT_SELECTED)
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CaPmtList.Add(CmdId, 0, 0, 0, NULL);
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}
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}
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@ -2343,7 +2345,7 @@ void cCamSlot::AddChannel(const cChannel *Channel)
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#define QUERY_REPLY_WAIT 100 // ms to wait between checks for a reply
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bool cCamSlot::CanDecrypt(const cChannel *Channel)
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bool cCamSlot::CanDecrypt(const cChannel *Channel, cMtdMapper *MtdMapper)
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{
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if (Channel->Ca() < CA_ENCRYPTED_MIN)
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return true; // channel not encrypted
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@ -2361,6 +2363,8 @@ bool cCamSlot::CanDecrypt(const cChannel *Channel)
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CaPmt.AddPid(*Dpid, STREAM_TYPE_PRIVATE);
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for (const int *Spid = Channel->Spids(); *Spid; Spid++)
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CaPmt.AddPid(*Spid, STREAM_TYPE_PRIVATE);
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if (MtdMapper)
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CaPmt.MtdMapPids(MtdMapper);
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cas->SendPMT(&CaPmt);
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cTimeMs Timeout(QUERY_REPLY_TIMEOUT);
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do {
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@ -2385,7 +2389,11 @@ void cCamSlot::StartDecrypting(void)
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void cCamSlot::StopDecrypting(void)
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{
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cMutexLock MutexLock(&mutex);
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caProgramList.Clear();
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if (caProgramList.Count()) {
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caProgramList.Clear();
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if (!dynamic_cast<cMtdCamSlot *>(this))
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SendCaPmt(CPCI_NOT_SELECTED);
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}
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}
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bool cCamSlot::IsDecrypting(void)
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15
ci.h
15
ci.h
@ -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.h 4.4 2017/03/19 10:48:14 kls Exp $
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* $Id: ci.h 4.5 2017/03/23 14:23:33 kls Exp $
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*/
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#ifndef __CI_H
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@ -314,7 +314,7 @@ public:
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///< If the source or transponder of the channel are different than
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///< what was given in a previous call to AddChannel(), any previously
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///< added PIDs will be cleared.
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virtual bool CanDecrypt(const cChannel *Channel);
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virtual bool CanDecrypt(const cChannel *Channel, cMtdMapper *MtdMapper = NULL);
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///< Returns true if there is a CAM in this slot that is able to decrypt
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///< the given Channel (or at least claims to be able to do so).
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///< Since the QUERY/REPLY mechanism for CAMs is pretty unreliable (some
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@ -325,11 +325,18 @@ public:
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///< to the initial QUERY will perform this check at all. CAMs that never
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///< replied to the initial QUERY are assumed not to be able to handle
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///< more than one channel at a time.
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///< If MtdMapper is given, all SIDs and PIDs will be mapped accordingly.
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virtual void StartDecrypting(void);
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///< Triggers sending all currently active CA_PMT entries to the CAM,
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///< so that it will start decrypting.
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///< Sends all CA_PMT entries to the CAM that have been modified since the
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///< last call to this function. This includes CA_PMTs that have been
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///< added or activated, as well as ones that have been deactivated.
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///< StartDecrypting() will be called whenever a PID is activated or
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///< deactivated.
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virtual void StopDecrypting(void);
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///< Clears the list of CA_PMT entries and tells the CAM to stop decrypting.
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///< Note that this function is only called when there are no more PIDs for
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///< the CAM to decrypt. There is no symmetry between StartDecrypting() and
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///< StopDecrypting().
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virtual bool IsDecrypting(void);
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///< Returns true if the CAM in this slot is currently used for decrypting.
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virtual uchar *Decrypt(uchar *Data, int &Count);
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42
device.c
42
device.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: device.c 4.8 2017/03/18 15:45:53 kls Exp $
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* $Id: device.c 4.9 2017/03/23 14:19:59 kls Exp $
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*/
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#include "device.h"
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@ -320,8 +320,8 @@ cDevice *cDevice::GetDevice(const cChannel *Channel, int Priority, bool LiveView
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if (!NumUsableSlots)
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break; // no CAM necessary, so just one loop over the devices
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}
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if (d && !Query) {
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if (NeedsDetachReceivers)
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if (d) {
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if (!Query && NeedsDetachReceivers)
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d->DetachAllReceivers();
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if (s) {
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// Some of the following statements could probably be combined, but let's keep them
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@ -333,9 +333,11 @@ cDevice *cDevice::GetDevice(const cChannel *Channel, int Priority, bool LiveView
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}
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else {
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// device d has a CAM slot, but it's not the right one
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d->CamSlot()->Assign(NULL);
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s = s->MtdSpawn();
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s->Assign(d);
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if (!Query) {
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d->CamSlot()->Assign(NULL);
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s = s->MtdSpawn();
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s->Assign(d);
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}
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}
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}
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else {
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@ -343,9 +345,10 @@ cDevice *cDevice::GetDevice(const cChannel *Channel, int Priority, bool LiveView
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if (s->Device() != d) {
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// CAM slot s is currently assigned to a different device than d
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if (Priority > s->Priority()) {
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s->Device()->DetachAllReceivers();
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d->CamSlot()->Assign(NULL);
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s->Assign(d);
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if (!Query) {
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d->CamSlot()->Assign(NULL);
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s->Assign(d);
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}
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}
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else {
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d = NULL;
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@ -359,8 +362,10 @@ cDevice *cDevice::GetDevice(const cChannel *Channel, int Priority, bool LiveView
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else {
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if (s != d->CamSlot()) {
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// device d has a CAM slot, but it's not the right one
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d->CamSlot()->Assign(NULL);
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s->Assign(d);
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if (!Query) {
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d->CamSlot()->Assign(NULL);
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s->Assign(d);
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}
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}
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else {
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// device d already has a proper CAM slot, so nothing to do here
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@ -372,16 +377,20 @@ cDevice *cDevice::GetDevice(const cChannel *Channel, int Priority, bool LiveView
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// device d has no CAM slot, ...
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if (s->MtdActive()) {
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// ... so we assign s with MTD support
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s = s->MtdSpawn();
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s->Assign(d);
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if (!Query) {
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s = s->MtdSpawn();
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s->Assign(d);
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}
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}
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else {
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// CAM slot s has no MTD support ...
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if (s->Device()) {
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// ... but it is assigned to a different device, so we reassign it to d
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if (Priority > s->Priority()) {
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s->Device()->DetachAllReceivers();
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s->Assign(d);
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if (!Query) {
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s->Device()->DetachAllReceivers();
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s->Assign(d);
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}
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}
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else {
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d = NULL;
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@ -390,7 +399,8 @@ cDevice *cDevice::GetDevice(const cChannel *Channel, int Priority, bool LiveView
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}
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else {
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// ... and is not assigned to any device, so we just assign it to d
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s->Assign(d);
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if (!Query)
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s->Assign(d);
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}
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}
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}
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14
mtd.c
14
mtd.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: mtd.c 1.3 2017/03/19 14:20:22 kls Exp $
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* $Id: mtd.c 1.4 2017/03/23 14:34:53 kls Exp $
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*/
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#include "mtd.h"
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@ -262,10 +262,9 @@ bool cMtdCamSlot::ProvidesCa(const int *CaSystemIds)
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return MasterSlot()->ProvidesCa(CaSystemIds);
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}
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bool cMtdCamSlot::CanDecrypt(const cChannel *Channel)
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bool cMtdCamSlot::CanDecrypt(const cChannel *Channel, cMtdMapper *MtdMapper)
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{
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//TODO PID mapping?
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return MasterSlot()->CanDecrypt(Channel);
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return MasterSlot()->CanDecrypt(Channel, mtdMapper);
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}
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void cMtdCamSlot::StartDecrypting(void)
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@ -277,15 +276,12 @@ void cMtdCamSlot::StartDecrypting(void)
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void cMtdCamSlot::StopDecrypting(void)
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{
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cCamSlot::StopDecrypting();
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if (!MasterSlot()->IsDecrypting())
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MasterSlot()->StopDecrypting();
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mtdMapper->Clear();
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clearBuffer = true;
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}
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bool cMtdCamSlot::IsDecrypting(void)
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{
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return cCamSlot::IsDecrypting();
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}
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uchar *cMtdCamSlot::Decrypt(uchar *Data, int &Count)
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{
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// Send data to CAM:
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5
mtd.h
5
mtd.h
@ -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: mtd.h 1.3 2017/03/19 13:32:48 kls Exp $
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* $Id: mtd.h 1.4 2017/03/23 12:48:22 kls Exp $
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*/
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#ifndef __MTD_H
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@ -166,10 +166,9 @@ public:
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cMtdMapper *MtdMapper(void) { return mtdMapper; }
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virtual bool RepliesToQuery(void);
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virtual bool ProvidesCa(const int *CaSystemIds);
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virtual bool CanDecrypt(const cChannel *Channel);
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virtual bool CanDecrypt(const cChannel *Channel, cMtdMapper *MtdMapper = NULL);
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virtual void StartDecrypting(void);
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virtual void StopDecrypting(void);
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virtual bool IsDecrypting(void);
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virtual uchar *Decrypt(uchar *Data, int &Count);
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int PutData(const uchar *Data, int Count);
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int PutCat(const uchar *Data, int Count);
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