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360 lines
14 KiB
C++
360 lines
14 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 2.39 2012/11/12 14:51:09 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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#define FOLDERDELIMCHAR '~'
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#define TIMERMACRO_TITLE "TITLE"
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#define TIMERMACRO_EPISODE "EPISODE"
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extern bool VfatFileSystem;
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extern int InstanceId;
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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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bool isPesRecording;
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public:
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cResumeFile(const char *FileName, bool IsPesRecording);
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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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double framesPerSecond;
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int priority;
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int lifetime;
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char *fileName;
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cRecordingInfo(const cChannel *Channel = NULL, const cEvent *Event = NULL);
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bool Read(FILE *f);
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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(const char *FileName);
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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 cEvent *GetEvent(void) const { return event; }
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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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double FramesPerSecond(void) const { return framesPerSecond; }
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void SetFramesPerSecond(double FramesPerSecond);
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bool Write(FILE *f, const char *Prefix = "") const;
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bool Read(void);
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bool Write(void) 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 *sortBufferName;
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mutable char *sortBufferTime;
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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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mutable int numFrames;
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int channel;
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int instanceId;
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bool isPesRecording;
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mutable int isOnVideoDirectoryFileSystem; // -1 = unknown, 0 = no, 1 = yes
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double framesPerSecond;
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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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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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public:
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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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time_t Start(void) const { return start; }
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int Priority(void) const { return priority; }
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int Lifetime(void) const { return lifetime; }
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time_t Deleted(void) const { return deleted; }
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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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double FramesPerSecond(void) const { return framesPerSecond; }
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int NumFrames(void) const;
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///< Returns the number of frames in this recording.
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///< If the number of frames is unknown, -1 will be returned.
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int LengthInSeconds(void) const;
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///< Returns the length (in seconds) of this recording, or -1 in case of error.
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int FileSizeMB(void) const;
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///< Returns the total file size of this recording (in MB), or -1 if the file
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///< size is unknown.
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bool IsNew(void) const { return GetResume() <= 0; }
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bool IsEdited(void) const;
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bool IsPesRecording(void) const { return isPesRecording; }
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bool IsOnVideoDirectoryFileSystem(void) const;
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void ReadInfo(void);
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bool WriteInfo(void);
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void SetStartTime(time_t Start);
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///< Sets the start time of this recording to the given value.
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///< If a filename has already been set for this recording, it will be
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///< deleted and a new one will be generated (using the new start time)
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///< at the next call to FileName().
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///< Use this function with care - it does not check whether a recording with
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///< this new name already exists, and if there is one, results may be
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///< unexpected!
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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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bool Undelete(void);
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///< Changes the file name so that it will be visible in the "Recordings" menu again and
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///< not processed by cRemoveDeletedRecordingsThread.
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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 anything 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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void UpdateByName(const char *FileName);
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int TotalFileSizeMB(void);
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double MBperMinute(void);
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///< Returns the average data rate (in MB/min) of all recordings, or -1 if
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///< this value is unknown.
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};
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extern cRecordings Recordings;
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extern cRecordings DeletedRecordings;
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#define DEFAULTFRAMESPERSECOND 25.0
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class cMark : public cListObject {
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friend class cMarks; // for sorting
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private:
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double framesPerSecond;
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int position;
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cString comment;
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public:
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cMark(int Position = 0, const char *Comment = NULL, double FramesPerSecond = DEFAULTFRAMESPERSECOND);
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virtual ~cMark();
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int Position(void) const { return position; }
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const char *Comment(void) const { return comment; }
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void SetPosition(int Position) { position = Position; }
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void SetComment(const char *Comment) { comment = Comment; }
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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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private:
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cString recordingFileName;
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cString fileName;
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double framesPerSecond;
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bool isPesRecording;
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time_t nextUpdate;
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time_t lastFileTime;
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time_t lastChange;
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public:
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bool Load(const char *RecordingFileName, double FramesPerSecond = DEFAULTFRAMESPERSECOND, bool IsPesRecording = false);
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bool Update(void);
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void Align(void);
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void Sort(void);
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void 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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#define RUC_DELETERECORDING "deleted"
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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, const char *SourceFileName = NULL);
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};
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// The maximum size of a single frame (up to HDTV 1920x1080):
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#define MAXFRAMESIZE (KILOBYTE(1024) / TS_SIZE * TS_SIZE) // multiple of TS_SIZE to avoid breaking up TS packets
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// The maximum file size is limited by the range that can be covered
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// with a 40 bit 'unsigned int', which is 1TB. The actual maximum value
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// used is 6MB below the theoretical maximum, to have some safety (the
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// actual file size may be slightly higher because we stop recording only
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// before the next independent frame, to have a complete Group Of Pictures):
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#define MAXVIDEOFILESIZETS 1048570 // MB
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#define MAXVIDEOFILESIZEPES 2000 // MB
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#define MINVIDEOFILESIZE 100 // MB
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#define MAXVIDEOFILESIZEDEFAULT MAXVIDEOFILESIZEPES
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struct tIndexTs;
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class cIndexFileGenerator;
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class cIndexFile {
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private:
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int f;
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cString fileName;
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int size, last;
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tIndexTs *index;
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bool isPesRecording;
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cResumeFile resumeFile;
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cIndexFileGenerator *indexFileGenerator;
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cMutex mutex;
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static cMutex indexListMutex;
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static cVector<const cIndexFile *> indexList;
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static void AddToIndexList(const cIndexFile *IndexFile);
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static void RemoveFromIndexList(const cIndexFile *IndexFile);
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static bool IsInIndexList(const cIndexFile *IndexFile);
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void ConvertFromPes(tIndexTs *IndexTs, int Count);
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void ConvertToPes(tIndexTs *IndexTs, int Count);
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bool CatchUp(int Index = -1);
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public:
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cIndexFile(const char *FileName, bool Record, bool IsPesRecording = false, bool PauseLive = false);
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~cIndexFile();
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bool Ok(void) { return index != NULL; }
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bool Write(bool Independent, uint16_t FileNumber, off_t FileOffset);
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bool Get(int Index, uint16_t *FileNumber, off_t *FileOffset, bool *Independent = NULL, int *Length = NULL);
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int GetNextIFrame(int Index, bool Forward, uint16_t *FileNumber = NULL, off_t *FileOffset = NULL, int *Length = NULL);
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int GetClosestIFrame(int Index);
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///< Returns the index of the I-frame that is closest to the given Index (or Index itself,
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///< if it already points to an I-frame). Index may be any value, even outside the current
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///< range of frame indexes.
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///< If there is no actual index data available, 0 is returned.
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int Get(uint16_t FileNumber, off_t FileOffset);
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int Last(void) { CatchUp(); return last; }
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///< Returns the index of the last entry in this file, or -1 if the file is empty.
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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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void Delete(void);
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static int GetLength(const char *FileName, bool IsPesRecording = false);
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///< Calculates the recording length (number of frames) without actually reading the index file.
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///< Returns -1 in case of error.
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static cString IndexFileName(const char *FileName, bool IsPesRecording);
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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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uint16_t fileNumber;
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char *fileName, *pFileNumber;
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bool record;
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bool blocking;
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bool isPesRecording;
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public:
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cFileName(const char *FileName, bool Record, bool Blocking = false, bool IsPesRecording = false);
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~cFileName();
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const char *Name(void) { return fileName; }
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uint16_t Number(void) { return fileNumber; }
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bool GetLastPatPmtVersions(int &PatVersion, int &PmtVersion);
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cUnbufferedFile *Open(void);
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void Close(void);
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cUnbufferedFile *SetOffset(int Number, off_t Offset = 0); // yes, Number is int for easier internal calculating
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cUnbufferedFile *NextFile(void);
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};
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cString IndexToHMSF(int Index, bool WithFrame = false, double FramesPerSecond = DEFAULTFRAMESPERSECOND);
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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, double FramesPerSecond = DEFAULTFRAMESPERSECOND);
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// Converts the given string (format: "hh:mm:ss.ff") to an index.
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int SecondsToFrames(int Seconds, double FramesPerSecond = DEFAULTFRAMESPERSECOND);
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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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bool GenerateIndex(const char *FileName);
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enum eRecordingsSortMode { rsmName, rsmTime };
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extern eRecordingsSortMode RecordingsSortMode;
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bool HasRecordingsSortMode(const char *Directory);
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void GetRecordingsSortMode(const char *Directory);
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void SetRecordingsSortMode(const char *Directory, eRecordingsSortMode SortMode);
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void IncRecordingsSortMode(const char *Directory);
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#endif //__RECORDING_H
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