[vdr] PATCH vdr: Device::getSTC

[Sven Goethel <sgoethel@jausoft.com>]

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hi folks, hi klaus:


- - introducing getSTC in device:
        vdr-1.2.6-device-getSTC.diff
  to achieve the stream time counter (stc) timestamp,
  to support a/v sync

  using DMX_GET_STC on pcr ..

@klaus: would be great to support this kinda stc .. thx.

- -- 
health & wealth
mailto:sgoethel@jausoft.com
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--- ../vdr-1.2.6pre2/device.h	2003-08-15 15:05:50.000000000 +0200
+++ device.h	2003-10-27 21:52:31.000000000 +0100
@@ -232,6 +233,7 @@
 // Image Grab facilities
 
 public:
+  virtual bool GetSTC(uint64_t & stcval);
   virtual bool GrabImage(const char *FileName, bool Jpeg = true, int Quality = -1, int SizeX = -1, int SizeY = -1);
          ///< Capture a single frame as an image.
          ///< Grabs the currently visible screen image into the given file, with the
--- ../vdr-1.2.6pre2/device.c	2003-08-15 14:34:36.000000000 +0200
+++ device.c	2003-10-27 21:52:12.000000000 +0100
@@ -207,6 +209,11 @@
   primaryDevice = NULL;
 }
 
+bool cDevice::GetSTC(uint64_t & stcval)
+{
+  return false;
+}
+
 bool cDevice::GrabImage(const char *FileName, bool Jpeg, int Quality, int SizeX, int SizeY)
 {
   return false;
--- ../vdr-1.2.6pre2/dvbdevice.c	2003-10-19 13:41:07.000000000 +0200
+++ dvbdevice.c	2003-10-27 21:55:37.000000000 +0100
@@ -577,6 +729,29 @@
 //                            ptAudio        ptVideo        ptPcr        ptTeletext        ptDolby        ptOther
 dmx_pes_type_t PesTypes[] = { DMX_PES_AUDIO, DMX_PES_VIDEO, DMX_PES_PCR, DMX_PES_TELETEXT, DMX_PES_OTHER, DMX_PES_OTHER };
 
+bool cDvbDevice::GetSTC(uint64_t & stcval)
+{
+     stcval=0;
+     cPidHandle &Handle = pidHandles[ptPcr];
+
+     if ( !Handle.used || Handle.handle < 0 ) {
+	if ( ! AddPid(ptPcr, ptPcr) ) {
+           return false;
+	}
+     }
+
+     struct dmx_stc stc = { 0, 0, 0 };
+
+     if (ioctl(Handle.handle, DMX_GET_STC, &stc) < 0) {
+           LOG_ERROR;
+           return false;
+        }
+
+     stcval = (uint64_t)stc.stc/stc.base ;
+     return true;
+}
+
+
 bool cDvbDevice::SetPid(cPidHandle *Handle, int Type, bool On)
 {
   if (Handle->pid) {
--- ../vdr-1.2.6pre2/dvbdevice.h	2003-10-04 13:54:50.000000000 +0200
+++ dvbdevice.h	2003-10-27 21:52:38.000000000 +0100
@@ -77,6 +111,7 @@
   static int devVideoOffset;
   int devVideoIndex;
 public:
+  virtual bool GetSTC(uint64_t & stcval);
   virtual bool GrabImage(const char *FileName, bool Jpeg = true, int Quality = -1, int SizeX = -1, int SizeY = -1);
 
 // Video format facilities