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authorKlaus Schmidinger <vdr@tvdr.de>2017-03-23 14:34:53 +0100
committerKlaus Schmidinger <vdr@tvdr.de>2017-03-23 14:34:53 +0100
commit2d9eb7e25dc08d700b5d2c97d0baf36d5aa35f96 (patch)
treee37483f46ccd457aea0900310ae0345385aaf808
parentb7be7c900a4ce4ab74cbc52cee563ff4f0b5bf8f (diff)
downloadvdr-2d9eb7e25dc08d700b5d2c97d0baf36d5aa35f96.tar.gz
vdr-2d9eb7e25dc08d700b5d2c97d0baf36d5aa35f96.tar.bz2
Mapping PIDs in CanDecrypt(); improved description of Start-/StopDecrypting(); removed obsolete cMtdCamSlot::IsDecrypting(); fixed getting device fpr channel up/down
-rw-r--r--ci.c14
-rw-r--r--ci.h15
-rw-r--r--device.c42
-rw-r--r--mtd.c14
-rw-r--r--mtd.h5
5 files changed, 55 insertions, 35 deletions
diff --git a/ci.c b/ci.c
index e4f43209..a788781b 100644
--- a/ci.c
+++ b/ci.c
@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
- * $Id: ci.c 4.7 2017/03/18 15:20:27 kls Exp $
+ * $Id: ci.c 4.8 2017/03/23 14:30:56 kls Exp $
*/
#include "ci.h"
@@ -2205,6 +2205,8 @@ void cCamSlot::BuildCaPmts(uint8_t CmdId, cCiCaPmtList &CaPmtList, cMtdMapper *M
}
}
}
+ else if (CmdId == CPCI_NOT_SELECTED)
+ CaPmtList.Add(CmdId, 0, 0, 0, NULL);
}
}
@@ -2343,7 +2345,7 @@ void cCamSlot::AddChannel(const cChannel *Channel)
#define QUERY_REPLY_WAIT 100 // ms to wait between checks for a reply
-bool cCamSlot::CanDecrypt(const cChannel *Channel)
+bool cCamSlot::CanDecrypt(const cChannel *Channel, cMtdMapper *MtdMapper)
{
if (Channel->Ca() < CA_ENCRYPTED_MIN)
return true; // channel not encrypted
@@ -2361,6 +2363,8 @@ bool cCamSlot::CanDecrypt(const cChannel *Channel)
CaPmt.AddPid(*Dpid, STREAM_TYPE_PRIVATE);
for (const int *Spid = Channel->Spids(); *Spid; Spid++)
CaPmt.AddPid(*Spid, STREAM_TYPE_PRIVATE);
+ if (MtdMapper)
+ CaPmt.MtdMapPids(MtdMapper);
cas->SendPMT(&CaPmt);
cTimeMs Timeout(QUERY_REPLY_TIMEOUT);
do {
@@ -2385,7 +2389,11 @@ void cCamSlot::StartDecrypting(void)
void cCamSlot::StopDecrypting(void)
{
cMutexLock MutexLock(&mutex);
- caProgramList.Clear();
+ if (caProgramList.Count()) {
+ caProgramList.Clear();
+ if (!dynamic_cast<cMtdCamSlot *>(this))
+ SendCaPmt(CPCI_NOT_SELECTED);
+ }
}
bool cCamSlot::IsDecrypting(void)
diff --git a/ci.h b/ci.h
index 78d4087d..0e8253d9 100644
--- a/ci.h
+++ b/ci.h
@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
- * $Id: ci.h 4.4 2017/03/19 10:48:14 kls Exp $
+ * $Id: ci.h 4.5 2017/03/23 14:23:33 kls Exp $
*/
#ifndef __CI_H
@@ -314,7 +314,7 @@ public:
///< If the source or transponder of the channel are different than
///< what was given in a previous call to AddChannel(), any previously
///< added PIDs will be cleared.
- virtual bool CanDecrypt(const cChannel *Channel);
+ virtual bool CanDecrypt(const cChannel *Channel, cMtdMapper *MtdMapper = NULL);
///< Returns true if there is a CAM in this slot that is able to decrypt
///< the given Channel (or at least claims to be able to do so).
///< Since the QUERY/REPLY mechanism for CAMs is pretty unreliable (some
@@ -325,11 +325,18 @@ public:
///< to the initial QUERY will perform this check at all. CAMs that never
///< replied to the initial QUERY are assumed not to be able to handle
///< more than one channel at a time.
+ ///< If MtdMapper is given, all SIDs and PIDs will be mapped accordingly.
virtual void StartDecrypting(void);
- ///< Triggers sending all currently active CA_PMT entries to the CAM,
- ///< so that it will start decrypting.
+ ///< Sends all CA_PMT entries to the CAM that have been modified since the
+ ///< last call to this function. This includes CA_PMTs that have been
+ ///< added or activated, as well as ones that have been deactivated.
+ ///< StartDecrypting() will be called whenever a PID is activated or
+ ///< deactivated.
virtual void StopDecrypting(void);
///< Clears the list of CA_PMT entries and tells the CAM to stop decrypting.
+ ///< Note that this function is only called when there are no more PIDs for
+ ///< the CAM to decrypt. There is no symmetry between StartDecrypting() and
+ ///< StopDecrypting().
virtual bool IsDecrypting(void);
///< Returns true if the CAM in this slot is currently used for decrypting.
virtual uchar *Decrypt(uchar *Data, int &Count);
diff --git a/device.c b/device.c
index b6a6ee10..6f3a155d 100644
--- a/device.c
+++ b/device.c
@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
- * $Id: device.c 4.8 2017/03/18 15:45:53 kls Exp $
+ * $Id: device.c 4.9 2017/03/23 14:19:59 kls Exp $
*/
#include "device.h"
@@ -320,8 +320,8 @@ cDevice *cDevice::GetDevice(const cChannel *Channel, int Priority, bool LiveView
if (!NumUsableSlots)
break; // no CAM necessary, so just one loop over the devices
}
- if (d && !Query) {
- if (NeedsDetachReceivers)
+ if (d) {
+ if (!Query && NeedsDetachReceivers)
d->DetachAllReceivers();
if (s) {
// Some of the following statements could probably be combined, but let's keep them
@@ -333,9 +333,11 @@ cDevice *cDevice::GetDevice(const cChannel *Channel, int Priority, bool LiveView
}
else {
// device d has a CAM slot, but it's not the right one
- d->CamSlot()->Assign(NULL);
- s = s->MtdSpawn();
- s->Assign(d);
+ if (!Query) {
+ d->CamSlot()->Assign(NULL);
+ s = s->MtdSpawn();
+ s->Assign(d);
+ }
}
}
else {
@@ -343,9 +345,10 @@ cDevice *cDevice::GetDevice(const cChannel *Channel, int Priority, bool LiveView
if (s->Device() != d) {
// CAM slot s is currently assigned to a different device than d
if (Priority > s->Priority()) {
- s->Device()->DetachAllReceivers();
- d->CamSlot()->Assign(NULL);
- s->Assign(d);
+ if (!Query) {
+ d->CamSlot()->Assign(NULL);
+ s->Assign(d);
+ }
}
else {
d = NULL;
@@ -359,8 +362,10 @@ cDevice *cDevice::GetDevice(const cChannel *Channel, int Priority, bool LiveView
else {
if (s != d->CamSlot()) {
// device d has a CAM slot, but it's not the right one
- d->CamSlot()->Assign(NULL);
- s->Assign(d);
+ if (!Query) {
+ d->CamSlot()->Assign(NULL);
+ s->Assign(d);
+ }
}
else {
// device d already has a proper CAM slot, so nothing to do here
@@ -372,16 +377,20 @@ cDevice *cDevice::GetDevice(const cChannel *Channel, int Priority, bool LiveView
// device d has no CAM slot, ...
if (s->MtdActive()) {
// ... so we assign s with MTD support
- s = s->MtdSpawn();
- s->Assign(d);
+ if (!Query) {
+ s = s->MtdSpawn();
+ s->Assign(d);
+ }
}
else {
// CAM slot s has no MTD support ...
if (s->Device()) {
// ... but it is assigned to a different device, so we reassign it to d
if (Priority > s->Priority()) {
- s->Device()->DetachAllReceivers();
- s->Assign(d);
+ if (!Query) {
+ s->Device()->DetachAllReceivers();
+ s->Assign(d);
+ }
}
else {
d = NULL;
@@ -390,7 +399,8 @@ cDevice *cDevice::GetDevice(const cChannel *Channel, int Priority, bool LiveView
}
else {
// ... and is not assigned to any device, so we just assign it to d
- s->Assign(d);
+ if (!Query)
+ s->Assign(d);
}
}
}
diff --git a/mtd.c b/mtd.c
index b3a6af96..a09f0162 100644
--- a/mtd.c
+++ b/mtd.c
@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
- * $Id: mtd.c 1.3 2017/03/19 14:20:22 kls Exp $
+ * $Id: mtd.c 1.4 2017/03/23 14:34:53 kls Exp $
*/
#include "mtd.h"
@@ -262,10 +262,9 @@ bool cMtdCamSlot::ProvidesCa(const int *CaSystemIds)
return MasterSlot()->ProvidesCa(CaSystemIds);
}
-bool cMtdCamSlot::CanDecrypt(const cChannel *Channel)
+bool cMtdCamSlot::CanDecrypt(const cChannel *Channel, cMtdMapper *MtdMapper)
{
- //TODO PID mapping?
- return MasterSlot()->CanDecrypt(Channel);
+ return MasterSlot()->CanDecrypt(Channel, mtdMapper);
}
void cMtdCamSlot::StartDecrypting(void)
@@ -277,15 +276,12 @@ void cMtdCamSlot::StartDecrypting(void)
void cMtdCamSlot::StopDecrypting(void)
{
cCamSlot::StopDecrypting();
+ if (!MasterSlot()->IsDecrypting())
+ MasterSlot()->StopDecrypting();
mtdMapper->Clear();
clearBuffer = true;
}
-bool cMtdCamSlot::IsDecrypting(void)
-{
- return cCamSlot::IsDecrypting();
-}
-
uchar *cMtdCamSlot::Decrypt(uchar *Data, int &Count)
{
// Send data to CAM:
diff --git a/mtd.h b/mtd.h
index b9cf55ae..15d29b83 100644
--- a/mtd.h
+++ b/mtd.h
@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
- * $Id: mtd.h 1.3 2017/03/19 13:32:48 kls Exp $
+ * $Id: mtd.h 1.4 2017/03/23 12:48:22 kls Exp $
*/
#ifndef __MTD_H
@@ -166,10 +166,9 @@ public:
cMtdMapper *MtdMapper(void) { return mtdMapper; }
virtual bool RepliesToQuery(void);
virtual bool ProvidesCa(const int *CaSystemIds);
- virtual bool CanDecrypt(const cChannel *Channel);
+ virtual bool CanDecrypt(const cChannel *Channel, cMtdMapper *MtdMapper = NULL);
virtual void StartDecrypting(void);
virtual void StopDecrypting(void);
- virtual bool IsDecrypting(void);
virtual uchar *Decrypt(uchar *Data, int &Count);
int PutData(const uchar *Data, int Count);
int PutCat(const uchar *Data, int Count);