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-rw-r--r--filter.h37
1 files changed, 34 insertions, 3 deletions
diff --git a/filter.h b/filter.h
index b8198345..deb75162 100644
--- a/filter.h
+++ b/filter.h
@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
- * $Id: filter.h 4.3 2017/05/09 08:37:23 kls Exp $
+ * $Id: filter.h 5.1 2021/03/16 15:10:54 kls Exp $
*/
#ifndef __FILTER_H
@@ -13,21 +13,52 @@
#include <sys/types.h>
#include "tools.h"
+#define DEPRECATED_SECTIONSYNCER_SYNC_REPEAT 1
+
class cSectionSyncer {
private:
int currentVersion;
int currentSection;
+ bool random;
bool synced;
bool complete;
+ uint32_t segments; // bit flags for the 32 segments
uchar sections[32]; // holds 32 * 8 = 256 bits, as flags for the sections
void SetSectionFlag(uchar Section, bool On) { if (On) sections[Section / 8] |= (1 << (Section % 8)); else sections[Section / 8] &= ~(1 << (Section % 8)); }
bool GetSectionFlag(uchar Section) { return sections[Section / 8] & (1 << (Section % 8)); }
public:
- cSectionSyncer(void);
+ cSectionSyncer(bool Random = false);
+ ///< Sets up a new section syncer.
+ ///< Call Check() to see whether a given section needs processing. Once the section
+ ///< has been processed, call Processed() to mark it as such. If, for any reason,
+ ///< processing is not completed after calling Check(), nothing special needs to be
+ ///< done. Just don't call Processed() and a later call to Check() with the same
+ ///< SectionNumber will return true again.
+ ///< If Random is true, sections can be processed in random order, not necessarily
+ ///< starting with section 0.
void Reset(void);
- void Repeat(void);
+ bool Check(uchar Version, int SectionNumber);
+ ///< Returns true if Version is not the current version, or the given SectionNumber has not
+ ///< been marked as processed, yet. Sections are handled in ascending order, starting at 0,
+ ///< unless Random is true in the constructor call.
+ bool Processed(int SectionNumber, int LastSectionNumber, int SegmentLastSectionNumber = -1);
+ ///< Marks the given SectionNumber as processed.
+ ///< LastSectionNumber is used to determine whether all sections have been processed.
+ ///< SegmentLastSectionNumber can be given to handle partially filled segments (like,
+ ///< for instance in the EIT).
+ ///< Returns true if all sections have been processed.
bool Complete(void) { return complete; }
+ ///< Returns true if all sections have been processed.
+#if DEPRECATED_SECTIONSYNCER_SYNC_REPEAT
+ void Repeat(void);
bool Sync(uchar Version, int Number, int LastNumber);
+#endif
+ };
+
+class cSectionSyncerRandom : public cSectionSyncer {
+ ///< Helper class for having an array of random section syncers.
+public:
+ cSectionSyncerRandom(void): cSectionSyncer(true) {}
};
class cFilterData : public cListObject {