86 lines
3.9 KiB
Diff
86 lines
3.9 KiB
Diff
# If you have two or more VDRs and you like them to mutually share
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# there DVB cards you might need to apply this patch first.
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#
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# IMPORTANT: As this patch does not only modify streamdev-server but
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# also an exported method of VDR, you will need to
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#
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# !!!!! RECOMPILE VDR AND ALL PLUGINS !!!!!
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#
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# Why do I need the patch?
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# --------------------------
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# Before switching channels VDR will consider all of its devices to
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# find the one with the least impact. This includes the device provided
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# by the streamdev-client plugin. Streamdev-client will forward the
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# request to its server which in turn checks all of its devices. Now if
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# the server is running streamdev-client, too, the request will again
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# be forwarded to its server and finally you will endup in a loop.
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#
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# What does the patch do?
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# -----------------------
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# The patch adds the additional parameter "bool DVBCardsOnly" to VDR's
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# device selection method cDevice::GetDevice(...). The parameter
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# defaults to false which gives you the standard behaviour of GetDevice.
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# When set to true, GetDevice will use only those devices with a card
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# index < MAXDVBDEVICES, so only real DVB cards will be considered.
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# Other devices like streamdev-client or DVB cards provided by plugin
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# (Hauppauge PVR) won't be used.
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#
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# Author: Frank Schmirler (http://vdr.schmirler.de)
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#
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--- device.h.orig 2006-11-15 12:01:34.000000000 +0100
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+++ device.h 2006-11-15 12:02:15.000000000 +0100
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@@ -128,7 +128,7 @@
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///< Gets the device with the given Index.
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///< \param Index must be in the range 0..numDevices-1.
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///< \return A pointer to the device, or NULL if the Index was invalid.
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- static cDevice *GetDevice(const cChannel *Channel, int Priority = -1, bool *NeedsDetachReceivers = NULL);
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+ static cDevice *GetDevice(const cChannel *Channel, int Priority = -1, bool *NeedsDetachReceivers = NULL, bool DVBCardsOnly = false);
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///< Returns a device that is able to receive the given Channel at the
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///< given Priority, with the least impact on active recordings and
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///< live viewing.
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--- device.c.orig 2006-11-15 12:01:30.000000000 +0100
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+++ device.c 2006-11-22 12:28:05.000000000 +0100
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@@ -8,6 +8,7 @@
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*/
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#include "device.h"
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+#include "dvbdevice.h"
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#include <errno.h>
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#include <sys/ioctl.h>
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#include <sys/mman.h>
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@@ -278,11 +279,13 @@
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return (0 <= Index && Index < numDevices) ? device[Index] : NULL;
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}
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-cDevice *cDevice::GetDevice(const cChannel *Channel, int Priority, bool *NeedsDetachReceivers)
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+cDevice *cDevice::GetDevice(const cChannel *Channel, int Priority, bool *NeedsDetachReceivers, bool DVBCardsOnly)
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{
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cDevice *d = NULL;
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uint Impact = 0xFFFFFFFF; // we're looking for a device with the least impact
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for (int i = 0; i < numDevices; i++) {
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+ if (DVBCardsOnly && device[i]->CardIndex() >= MAXDVBDEVICES)
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+ continue;
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bool ndr;
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if (device[i]->ProvidesChannel(Channel, Priority, &ndr)) { // this device is basicly able to do the job
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// Put together an integer number that reflects the "impact" using
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--- PLUGINS/src/streamdev/server/connection.c.orig 2006-11-15 12:10:11.000000000 +0100
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+++ PLUGINS/src/streamdev/server/connection.c 2006-11-15 12:10:59.000000000 +0100
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@@ -132,7 +132,7 @@
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Dprintf(" * GetDevice(const cChannel*, int)\n");
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Dprintf(" * -------------------------------\n");
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- device = cDevice::GetDevice(Channel, Priority);
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+ device = cDevice::GetDevice(Channel, Priority, NULL, true);
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Dprintf(" * Found following device: %p (%d)\n", device,
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device ? device->CardIndex() + 1 : 0);
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@@ -150,7 +150,7 @@
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const cChannel *current = Channels.GetByNumber(cDevice::CurrentChannel());
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isyslog("streamdev-server: Detaching current receiver");
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Detach();
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- device = cDevice::GetDevice(Channel, Priority);
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+ device = cDevice::GetDevice(Channel, Priority, NULL, true);
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Attach();
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Dprintf(" * Found following device: %p (%d)\n", device,
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device ? device->CardIndex() + 1 : 0);
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