mirror of
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254 lines
8.4 KiB
C++
254 lines
8.4 KiB
C++
/*
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* recording.h: Recording file handling
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*
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* See the main source file 'vdr.c' for copyright information and
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* how to reach the author.
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*
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* $Id: recording.h 1.58 2007/10/14 10:06:48 kls Exp $
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*/
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#ifndef __RECORDING_H
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#define __RECORDING_H
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#include <time.h>
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#include "channels.h"
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#include "config.h"
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#include "epg.h"
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#include "thread.h"
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#include "timers.h"
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#include "tools.h"
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extern bool VfatFileSystem;
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void RemoveDeletedRecordings(void);
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void AssertFreeDiskSpace(int Priority = 0, bool Force = false);
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///< The special Priority value -1 means that we shall get rid of any
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///< deleted recordings faster than normal (because we're cutting).
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///< If Force is true, the check will be done even if the timeout
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///< hasn't expired yet.
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class cResumeFile {
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private:
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char *fileName;
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public:
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cResumeFile(const char *FileName);
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~cResumeFile();
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int Read(void);
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bool Save(int Index);
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void Delete(void);
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};
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class cRecordingInfo {
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friend class cRecording;
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private:
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tChannelID channelID;
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char *channelName;
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const cEvent *event;
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cEvent *ownEvent;
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char *aux;
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cRecordingInfo(const cChannel *Channel = NULL, const cEvent *Event = NULL);
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void SetData(const char *Title, const char *ShortText, const char *Description);
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void SetAux(const char *Aux);
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public:
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~cRecordingInfo();
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tChannelID ChannelID(void) const { return channelID; }
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const char *ChannelName(void) const { return channelName; }
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const char *Title(void) const { return event->Title(); }
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const char *ShortText(void) const { return event->ShortText(); }
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const char *Description(void) const { return event->Description(); }
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const cComponents *Components(void) const { return event->Components(); }
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const char *Aux(void) const { return aux; }
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bool Read(FILE *f);
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bool Write(FILE *f, const char *Prefix = "") const;
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};
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class cRecording : public cListObject {
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friend class cRecordings;
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private:
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mutable int resume;
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mutable char *titleBuffer;
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mutable char *sortBuffer;
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mutable char *fileName;
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mutable char *name;
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mutable int fileSizeMB;
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cRecordingInfo *info;
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cRecording(const cRecording&); // can't copy cRecording
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cRecording &operator=(const cRecording &); // can't assign cRecording
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static char *StripEpisodeName(char *s);
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char *SortName(void) const;
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int GetResume(void) const;
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public:
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time_t start;
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int priority;
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int lifetime;
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time_t deleted;
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cRecording(cTimer *Timer, const cEvent *Event);
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cRecording(const char *FileName);
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virtual ~cRecording();
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virtual int Compare(const cListObject &ListObject) const;
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const char *Name(void) const { return name; }
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const char *FileName(void) const;
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const char *Title(char Delimiter = ' ', bool NewIndicator = false, int Level = -1) const;
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const cRecordingInfo *Info(void) const { return info; }
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const char *PrefixFileName(char Prefix);
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int HierarchyLevels(void) const;
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void ResetResume(void) const;
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bool IsNew(void) const { return GetResume() <= 0; }
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bool IsEdited(void) const;
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bool WriteInfo(void);
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bool Delete(void);
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// Changes the file name so that it will no longer be visible in the "Recordings" menu
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// Returns false in case of error
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bool Remove(void);
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// Actually removes the file from the disk
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// Returns false in case of error
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};
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class cRecordings : public cList<cRecording>, public cThread {
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private:
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static char *updateFileName;
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bool deleted;
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time_t lastUpdate;
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int state;
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const char *UpdateFileName(void);
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void Refresh(bool Foreground = false);
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void ScanVideoDir(const char *DirName, bool Foreground = false, int LinkLevel = 0);
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protected:
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void Action(void);
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public:
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cRecordings(bool Deleted = false);
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virtual ~cRecordings();
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bool Load(void) { return Update(true); }
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///< Loads the current list of recordings and returns true if there
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///< is anything in it (for compatibility with older plugins - use
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///< Update(true) instead).
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bool Update(bool Wait = false);
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///< Triggers an update of the list of recordings, which will run
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///< as a separate thread if Wait is false. If Wait is true, the
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///< function returns only after the update has completed.
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///< Returns true if Wait is true and there is anyting in the list
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///< of recordings, false otherwise.
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void TouchUpdate(void);
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///< Touches the '.update' file in the video directory, so that other
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///< instances of VDR that access the same video directory can be triggered
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///< to update their recordings list.
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bool NeedsUpdate(void);
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void ChangeState(void) { state++; }
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bool StateChanged(int &State);
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void ResetResume(const char *ResumeFileName = NULL);
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cRecording *GetByName(const char *FileName);
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void AddByName(const char *FileName, bool TriggerUpdate = true);
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void DelByName(const char *FileName);
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int TotalFileSizeMB(void); ///< Only for deleted recordings!
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};
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extern cRecordings Recordings;
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extern cRecordings DeletedRecordings;
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class cMark : public cListObject {
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public:
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int position;
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char *comment;
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cMark(int Position = 0, const char *Comment = NULL);
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virtual ~cMark();
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cString ToText(void);
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bool Parse(const char *s);
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bool Save(FILE *f);
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};
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class cMarks : public cConfig<cMark> {
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public:
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bool Load(const char *RecordingFileName);
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void Sort(void);
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cMark *Add(int Position);
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cMark *Get(int Position);
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cMark *GetPrev(int Position);
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cMark *GetNext(int Position);
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};
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#define RUC_BEFORERECORDING "before"
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#define RUC_AFTERRECORDING "after"
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#define RUC_EDITEDRECORDING "edited"
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class cRecordingUserCommand {
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private:
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static const char *command;
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public:
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static void SetCommand(const char *Command) { command = Command; }
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static void InvokeCommand(const char *State, const char *RecordingFileName);
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};
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//XXX+
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#define FRAMESPERSEC 25
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// The maximum size of a single frame (up to HDTV 1920x1080):
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#define MAXFRAMESIZE KILOBYTE(512)
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// The maximum file size is limited by the range that can be covered
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// with 'int'. 4GB might be possible (if the range is considered
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// 'unsigned'), 2GB should be possible (even if the range is considered
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// 'signed'), so let's use 2000MB for absolute safety (the actual file size
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// may be slightly higher because we stop recording only before the next
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// 'I' frame, to have a complete Group Of Pictures):
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#define MAXVIDEOFILESIZE 2000 // MB
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#define MINVIDEOFILESIZE 100 // MB
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class cIndexFile {
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private:
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struct tIndex { int offset; uchar type; uchar number; short reserved; };
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int f;
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char *fileName;
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int size, last;
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tIndex *index;
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cResumeFile resumeFile;
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cMutex mutex;
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bool CatchUp(int Index = -1);
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public:
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cIndexFile(const char *FileName, bool Record);
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~cIndexFile();
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bool Ok(void) { return index != NULL; }
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bool Write(uchar PictureType, uchar FileNumber, int FileOffset);
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bool Get(int Index, uchar *FileNumber, int *FileOffset, uchar *PictureType = NULL, int *Length = NULL);
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int GetNextIFrame(int Index, bool Forward, uchar *FileNumber = NULL, int *FileOffset = NULL, int *Length = NULL, bool StayOffEnd = false);
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int Get(uchar FileNumber, int FileOffset);
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int Last(void) { CatchUp(); return last; }
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int GetResume(void) { return resumeFile.Read(); }
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bool StoreResume(int Index) { return resumeFile.Save(Index); }
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bool IsStillRecording(void);
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};
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class cFileName {
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private:
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cUnbufferedFile *file;
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int fileNumber;
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char *fileName, *pFileNumber;
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bool record;
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bool blocking;
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public:
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cFileName(const char *FileName, bool Record, bool Blocking = false);
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~cFileName();
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const char *Name(void) { return fileName; }
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int Number(void) { return fileNumber; }
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cUnbufferedFile *Open(void);
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void Close(void);
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cUnbufferedFile *SetOffset(int Number, int Offset = 0);
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cUnbufferedFile *NextFile(void);
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};
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cString IndexToHMSF(int Index, bool WithFrame = false);
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// Converts the given index to a string, optionally containing the frame number.
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int HMSFToIndex(const char *HMSF);
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// Converts the given string (format: "hh:mm:ss.ff") to an index.
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int SecondsToFrames(int Seconds); //XXX+ ->player???
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// Returns the number of frames corresponding to the given number of seconds.
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int ReadFrame(cUnbufferedFile *f, uchar *b, int Length, int Max);
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char *ExchangeChars(char *s, bool ToFileSystem);
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// Exchanges the characters in the given string to or from a file system
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// specific representation (depending on ToFileSystem). The given string will
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// be modified and may be reallocated if more space is needed. The return
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// value points to the resulting string, which may be different from s.
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#endif //__RECORDING_H
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