Activated transfer mode

HISTORY

@@ -1352,3 +1352,4 @@ Video Disk Recorder Revision History
 
 - Added Hungarian language texts (thanks to Istvan Koenigsberger and Guido Josten).
 - Activated cutting.
+- Activated transfer mode.

Makefile

@@ -4,7 +4,7 @@
 # See the main source file 'vdr.c' for copyright information and
 # how to reach the author.
 #
-# $Id: Makefile 1.41 2002/06/22 09:49:29 kls Exp $
+# $Id: Makefile 1.42 2002/06/22 10:21:56 kls Exp $
 
 .DELETE_ON_ERROR:
 
@@ -24,7 +24,7 @@ DTVLIB   = $(DTVDIR)/libdtv.a
 OBJS = audio.o config.o cutter.o device.o dvbplayer.o dvbosd.o eit.o eitscan.o font.o i18n.o\
        interface.o menu.o menuitems.o osdbase.o osd.o player.o plugin.o receiver.o\
        recorder.o recording.o remote.o remux.o ringbuffer.o status.o svdrp.o thread.o\
-       tools.o vdr.o videodir.o
+       tools.o transfer.o vdr.o videodir.o
 
 OSDFONT = -adobe-helvetica-medium-r-normal--23-*-100-100-p-*-iso8859-1
 FIXFONT = -adobe-courier-bold-r-normal--25-*-100-100-m-*-iso8859-1

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 1.2 2002/06/16 13:23:31 kls Exp $
+ * $Id: device.c 1.3 2002/06/22 13:45:53 kls Exp $
  */
 
 #include "device.h"
@@ -21,6 +21,7 @@ extern "C" {
 #include "player.h"
 #include "receiver.h"
 #include "status.h"
+#include "transfer.h"
 
 #define DEV_VIDEO         "/dev/video"
 #define DEV_OST_OSD       "/dev/ost/osd"
@@ -105,6 +106,7 @@ cDevice::cDevice(int n)
 
   currentChannel = 0;
   frequency = 0;
+  transfer = NULL;
 
   mute = false;
   volume = Setup.CurrentVolume;
@@ -118,6 +120,7 @@ cDevice::cDevice(int n)
 
 cDevice::~cDevice()
 {
+  delete transfer;
   delete dvrFileName;
   delete siProcessor;
   Detach(player);
@@ -456,7 +459,7 @@ bool cDevice::SetPid(int fd, dmxPesType_t PesType, int Pid, dmxOutput_t Output)
 
 eSetChannelResult cDevice::SetChannel(int ChannelNumber, int Frequency, char Polarization, int Diseqc, int Srate, int Vpid, int Apid, int Tpid, int Ca, int Pnr)
 {
-  //XXX+StopTransfer();
+  DELETENULL(transfer);
   //XXX+StopReplay();
 
   cStatus::MsgChannelSwitch(this, 0);
@@ -621,8 +624,9 @@ eSetChannelResult cDevice::SetChannel(int ChannelNumber, int Frequency, char Pol
      cDevice *CaDevice = GetDevice(Ca, 0);
      if (CaDevice && !CaDevice->Receiving()) {
         if ((Result = CaDevice->SetChannel(ChannelNumber, Frequency, Polarization, Diseqc, Srate, Vpid, Apid, Tpid, Ca, Pnr)) == scrOk) {
-           //XXX+SetModeReplay();
+           transfer = new cTransfer(Vpid, Apid, 0, 0, 0);//XXX+
-           //XXX+transferringFromDevice = CaDevice->StartTransfer(fd_video);
+           AttachPlayer(transfer);
+           CaDevice->AttachReceiver(transfer);
            }
         }
      else
@@ -739,7 +743,7 @@ bool cDevice::Replaying(void)
   return player != NULL;
 }
 
-bool cDevice::Attach(cPlayer *Player)
+bool cDevice::AttachPlayer(cPlayer *Player)
 {
   if (Receiving()) {
      esyslog("ERROR: attempt to attach a cPlayer while receiving on device %d - ignored", CardIndex() + 1);
@@ -958,7 +962,7 @@ void cDevice::Action(void)
   dsyslog("receiver thread ended on device %d (pid=%d)", CardIndex() + 1, getpid());
 }
 
-bool cDevice::Attach(cReceiver *Receiver)
+bool cDevice::AttachReceiver(cReceiver *Receiver)
 {
   //XXX+ check for same transponder???
   if (!Receiver)

device.h

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: device.h 1.1 2002/06/10 16:30:00 kls Exp $
+ * $Id: device.h 1.2 2002/06/22 13:34:55 kls Exp $
  */
 
 #ifndef __DEVICE_H
@@ -33,6 +33,7 @@ enum eSetChannelResult { scrOk, scrNoTransfer, scrFailed };
 
 class cPlayer;
 class cReceiver;
+class cTransfer;
 
 class cDevice : cThread {
   friend class cOsd;//XXX
@@ -106,6 +107,7 @@ public:
 private:
   int currentChannel;
   int frequency;
+  cTransfer *transfer;
 public:
   eSetChannelResult SetChannel(int ChannelNumber, int Frequency, char Polarization, int Diseqc, int Srate, int Vpid, int Apid, int Tpid, int Ca, int Pnr);
   static int CurrentChannel(void) { return primaryDevice ? primaryDevice->currentChannel : 0; }
@@ -172,7 +174,7 @@ public:
        // Returns true if we are currently replaying.
   void StopReplay(void);
        // Stops the current replay session (if any).
-  bool Attach(cPlayer *Player);
+  bool AttachPlayer(cPlayer *Player);
   void Detach(cPlayer *Player);
   virtual int PlayVideo(const uchar *Data, int Length);
   virtual int PlayAudio(const uchar *Data, int Length);
@@ -192,7 +194,7 @@ public:
        // Returns the ca of the current receiving session.
   bool Receiving(void);
        // Returns true if we are currently receiving.
-  bool Attach(cReceiver *Receiver);
+  bool AttachReceiver(cReceiver *Receiver);
   void Detach(cReceiver *Receiver);
   };
 

dvbplayer.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: dvbplayer.c 1.2 2002/06/22 10:11:59 kls Exp $
+ * $Id: dvbplayer.c 1.3 2002/06/22 13:35:36 kls Exp $
  */
 
 #include "dvbplayer.h"
@@ -644,7 +644,7 @@ bool cDvbPlayerControl::Start(const char *FileName)
 {
   delete player;
   player = new cDvbPlayer(FileName);
-  if (cDevice::PrimaryDevice()->Attach(player))
+  if (cDevice::PrimaryDevice()->AttachPlayer(player))
      return true;
   Stop();
   return false;

eitscan.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: eitscan.c 1.2 2002/06/10 16:30:00 kls Exp $
+ * $Id: eitscan.c 1.3 2002/06/22 13:02:40 kls Exp $
  */
 
 #include "eitscan.h"
@@ -52,7 +52,7 @@ void cEITScanner::Process(void)
             cDevice *Device = cDevice::GetDevice(i + 1, MAXPRIORITY + 1);
             if (Device) {
                if (Device != cDevice::PrimaryDevice() || (cDevice::NumDevices() == 1 && Setup.EPGScanTimeout && now - lastActivity > Setup.EPGScanTimeout * 3600)) {
-                  if (!(Device->Receiving() || Device->Replaying()/*XXX+ || Device->Transferring()XXX*/)) {
+                  if (!(Device->Receiving() || Device->Replaying())) {
                      int oldCh = lastChannel;
                      int ch = oldCh + 1;
                      while (ch != oldCh) {

menu.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: menu.c 1.198 2002/06/22 09:55:58 kls Exp $
+ * $Id: menu.c 1.199 2002/06/22 13:36:10 kls Exp $
  */
 
 #include "menu.h"
@@ -2442,7 +2442,7 @@ cRecordControl::cRecordControl(cDevice *Device, cTimer *Timer)
   cRecordingUserCommand::InvokeCommand(RUC_BEFORERECORDING, fileName);
   cChannel *ch = Channels.GetByNumber(timer->channel);
   recorder = new cRecorder(fileName, ch->ca, timer->priority, ch->vpid, ch->apid1, ch->apid2, ch->dpid1, ch->dpid2);
-  if (device->Attach(recorder)) {
+  if (device->AttachReceiver(recorder)) {
      Recording.WriteSummary();
      cStatus::MsgRecording(device, fileName);
      Interface->DisplayRecording(device->CardIndex(), true);

transfer.c

@@ -0,0 +1,122 @@
+/*
+ * transfer.c: Transfer mode
+ *
+ * See the main source file 'vdr.c' for copyright information and
+ * how to reach the author.
+ *
+ * $Id: transfer.c 1.1 2002/06/22 13:39:23 kls Exp $
+ */
+
+#include "transfer.h"
+
+//XXX+ also used in recorder.c - find a better place???
+// The size of the array used to buffer video data:
+// (must be larger than MINVIDEODATA - see remux.h)
+#define VIDEOBUFSIZE  MEGABYTE(1)
+
+// --- cTransfer -------------------------------------------------------------
+
+cTransfer::cTransfer(int VPid, int APid1, int APid2, int DPid1, int DPid2)
+:cReceiver(0, 0, 5, VPid, APid1, APid2, DPid1, DPid2)
+{
+  ringBuffer = new cRingBufferLinear(VIDEOBUFSIZE, true);
+  remux = new cRemux(VPid, APid1, APid2, DPid1, DPid2);
+  gotBufferReserve = false;
+  active = false;
+}
+
+cTransfer::~cTransfer()
+{
+  cReceiver::Detach();
+  cPlayer::Detach();
+  delete remux;
+  delete ringBuffer;
+}
+
+void cTransfer::Activate(bool On)
+{
+  if (On) {
+     if (!active)
+        Start();
+     }
+  else if (active) {
+     active = false;
+     Cancel(3);
+     }
+}
+
+void cTransfer::Receive(uchar *Data, int Length)
+{
+  int p = ringBuffer->Put(Data, Length);
+  if (p != Length && active)
+     esyslog("ERROR: ring buffer overflow (%d bytes dropped)", Length - p);
+}
+
+void cTransfer::Action(void)
+{
+  dsyslog("transfer thread started (pid=%d)", getpid());
+
+  uchar b[MINVIDEODATA];
+  int r = 0;
+  active = true;
+  while (active) {
+
+        //XXX+ Maybe we need this to avoid "buffer empty" log messages from the driver.
+        //XXX+ But then again, it appears to play just fine without this...
+        /*
+        if (!gotBufferReserve) {
+           if (ringBuffer->Available() < 4 * MAXFRAMESIZE) {
+              usleep(100000); // allow the buffer to collect some reserve
+              continue;
+              }
+           else
+              gotBufferReserve = true;
+           }
+           */
+
+        // Get data from the buffer:
+
+        int g = ringBuffer->Get(b + r, sizeof(b) - r);
+        if (g > 0)
+           r += g;
+
+        // Play the data:
+
+        if (r > 0) {
+           int Count = r, Result;
+           const uchar *p = remux->Process(b, Count, Result);
+           if (p) {
+              //XXX+ StripAudio???
+              while (Result > 0 && active) {
+                    int w = PlayVideo(p, Result);
+                    if (w > 0) {
+                       p += w;
+                       Result -= w;
+                       }
+                    else if (w < 0 && FATALERRNO) {
+                       LOG_ERROR;
+                       break;
+                       }
+                    }
+              }
+           if (Count > 0) {
+              r -= Count;
+              if (r > 0)
+                 memmove(b, b + Count, r);
+              }
+           }
+        }
+
+  dsyslog("transfer thread ended (pid=%d)", getpid());
+}
+
+void cTransfer::SetAudioPid(int APid)
+{
+  /*XXX+
+  Clear();
+  //XXX we may need to have access to the audio device, too, in order to clear it
+  CHECK(ioctl(toDevice, VIDEO_CLEAR_BUFFER));
+  gotBufferReserve = false;
+  remux.SetAudioPid(APid);
+  XXX*/
+}

transfer.h

@@ -0,0 +1,35 @@
+/*
+ * transfer.h: Transfer mode
+ *
+ * See the main source file 'vdr.c' for copyright information and
+ * how to reach the author.
+ *
+ * $Id: transfer.h 1.1 2002/06/22 13:38:23 kls Exp $
+ */
+
+#ifndef __TRANSFER_H
+#define __TRANSFER_H
+
+#include "player.h"
+#include "receiver.h"
+#include "remux.h"
+#include "ringbuffer.h"
+#include "thread.h"
+
+class cTransfer : public cReceiver, public cPlayer, public cThread {
+private:
+  cRingBufferLinear *ringBuffer;
+  cRemux *remux;
+  bool gotBufferReserve;
+  bool active;
+protected:
+  virtual void Activate(bool On);
+  virtual void Receive(uchar *Data, int Length);
+  virtual void Action(void);
+public:
+  cTransfer(int VPid, int APid1, int APid2, int DPid1, int DPid2);
+  virtual ~cTransfer();
+  void SetAudioPid(int APid);
+  };
+
+#endif //__TRANSFER_H