From 45eac6d94694aa9081bdd0e06794942c49818ff1 Mon Sep 17 00:00:00 2001
From: Klaus Schmidinger <vdr@tvdr.de>
Date: Sun, 22 Feb 2004 13:08:04 +0100
Subject: Added PDCDescriptor handling to 'libsi'

---
 libsi/descriptor.c | 23 ++++++++++++++++++++++-
 libsi/descriptor.h | 14 +++++++++++++-
 libsi/headers.h    | 14 +++++++++++---
 libsi/si.c         |  6 ++++--
 4 files changed, 50 insertions(+), 7 deletions(-)

(limited to 'libsi')

diff --git a/libsi/descriptor.c b/libsi/descriptor.c
index 55a6a9c0..0b0019f8 100644
--- a/libsi/descriptor.c
+++ b/libsi/descriptor.c
@@ -6,7 +6,7 @@
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
- *   $Id: descriptor.c 1.5 2004/01/24 14:52:41 kls Exp $
+ *   $Id: descriptor.c 1.6 2004/02/22 11:11:36 kls Exp $
  *                                                                         *
  ***************************************************************************/
 
@@ -529,6 +529,27 @@ void ISO639LanguageDescriptor::Parse() {
    languageCode[3]=0;
 }
 
+void PDCDescriptor::Parse() {
+   unsigned int offset=0;
+   data.setPointerAndOffset<const descr_pdc>(s, offset);
+}
+
+int PDCDescriptor::getDay() const {
+   return ((s->pil0 & 0x0F) << 1) | ((s->pil1 & 0x80) >> 7);
+}
+
+int PDCDescriptor::getMonth() const {
+   return (s->pil1 >> 3) & 0x0F;
+}
+
+int PDCDescriptor::getHour() const {
+   return ((s->pil1 & 0x07) << 2) | ((s->pil2 & 0xC0) >> 6);
+}
+
+int PDCDescriptor::getMinute() const {
+   return s->pil2 & 0x3F;
+}
+
 void ApplicationSignallingDescriptor::Parse() {
    entryLoop.setData(data+sizeof(descr_application_signalling), getLength()-sizeof(descr_application_signalling));
 }
diff --git a/libsi/descriptor.h b/libsi/descriptor.h
index 5541cc41..17c81eb0 100644
--- a/libsi/descriptor.h
+++ b/libsi/descriptor.h
@@ -6,7 +6,7 @@
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
- *   $Id: descriptor.h 1.5 2004/01/24 14:52:05 kls Exp $
+ *   $Id: descriptor.h 1.6 2004/02/22 10:16:47 kls Exp $
  *                                                                         *
  ***************************************************************************/
 
@@ -383,6 +383,18 @@ private:
    const descr_iso_639_language *s;
 };
 
+class PDCDescriptor : public Descriptor {
+public:
+   int getDay() const;
+   int getMonth() const;
+   int getHour() const;
+   int getMinute() const;
+protected:
+   virtual void Parse();
+private:
+   const descr_pdc *s;
+};
+
 //a descriptor currently unimplemented in this library
 class UnimplementedDescriptor : public Descriptor {
 protected:
diff --git a/libsi/headers.h b/libsi/headers.h
index 26fdb27c..ff3e0f95 100644
--- a/libsi/headers.h
+++ b/libsi/headers.h
@@ -10,7 +10,7 @@
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
- *   $Id: headers.h 1.3 2004/02/20 13:49:16 kls Exp $
+ *   $Id: headers.h 1.4 2004/02/22 11:12:46 kls Exp $
  *                                                                         *
  ***************************************************************************/
 
@@ -1457,11 +1457,19 @@ struct descr_dsng {
 
 /* 0x69 pdc_descriptor */
 
-#define DESCR_PDC_LEN XX
+#define DESCR_PDC_LEN 5
 struct descr_pdc {
    u_char descriptor_tag                         :8;
    u_char descriptor_length                      :8;
-   /* TBD */
+#if BYTE_ORDER == BIG_ENDIAN
+   u_char pil2                                   :8;
+   u_char pil1                                   :8;
+   u_char pil0                                   :8;
+#else
+   u_char pil0                                   :8;
+   u_char pil1                                   :8;
+   u_char pil2                                   :8;
+#endif
 };
 
 /* 0x6A ac3_descriptor */
diff --git a/libsi/si.c b/libsi/si.c
index b952fb51..ee648020 100644
--- a/libsi/si.c
+++ b/libsi/si.c
@@ -6,7 +6,7 @@
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
- *   $Id: si.c 1.7 2004/02/20 13:46:12 kls Exp $
+ *   $Id: si.c 1.8 2004/02/22 10:14:12 kls Exp $
  *                                                                         *
  ***************************************************************************/
 
@@ -334,6 +334,9 @@ Descriptor *Descriptor::getDescriptor(CharArray da, DescriptorTagDomain domain)
          case ISO639LanguageDescriptorTag:
             d=new ISO639LanguageDescriptor();
             break;
+         case PDCDescriptorTag:
+            d=new PDCDescriptor();
+            break;
 
          //note that it is no problem to implement one
          //of the unimplemented descriptors.
@@ -375,7 +378,6 @@ Descriptor *Descriptor::getDescriptor(CharArray da, DescriptorTagDomain domain)
          case CaSystemDescriptorTag:
          case AC3DescriptorTag:
          case DSNGDescriptorTag:
-         case PDCDescriptorTag:
          case AncillaryDataDescriptorTag:
          case AnnouncementSupportDescriptorTag:
          case AdaptationFieldDataDescriptorTag:
-- 
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