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recording.c
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recording.c
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/*
* recording.c: Recording file handling
*
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: recording.c 3.16 2014/02/08 11:16:02 kls Exp $
*/
#include "recording.h"
#include <ctype.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#define __STDC_FORMAT_MACROS // Required for format specifiers
#include <inttypes.h>
#include <math.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include "channels.h"
#include "cutter.h"
#include "i18n.h"
#include "interface.h"
#include "menu.h"
#include "remux.h"
#include "ringbuffer.h"
#include "skins.h"
#include "tools.h"
#include "videodir.h"
#define SUMMARYFALLBACK
#define RECEXT ".rec"
#define DELEXT ".del"
/* This was the original code, which works fine in a Linux only environment.
Unfortunately, because of Windows and its brain dead file system, we have
to use a more complicated approach, in order to allow users who have enabled
the --vfat command line option to see their recordings even if they forget to
enable --vfat when restarting VDR... Gee, do I hate Windows.
(kls 2002-07-27)
#define DATAFORMAT "%4d-%02d-%02d.%02d:%02d.%02d.%02d" RECEXT
#define NAMEFORMAT "%s/%s/" DATAFORMAT
*/
#define DATAFORMATPES "%4d-%02d-%02d.%02d%*c%02d.%02d.%02d" RECEXT
#define NAMEFORMATPES "%s/%s/" "%4d-%02d-%02d.%02d.%02d.%02d.%02d" RECEXT
#define DATAFORMATTS "%4d-%02d-%02d.%02d.%02d.%d-%d" RECEXT
#define NAMEFORMATTS "%s/%s/" DATAFORMATTS
#define RESUMEFILESUFFIX "/resume%s%s"
#ifdef SUMMARYFALLBACK
#define SUMMARYFILESUFFIX "/summary.vdr"
#endif
#define INFOFILESUFFIX "/info"
#define MARKSFILESUFFIX "/marks"
#define SORTMODEFILE ".sort"
#define MINDISKSPACE 1024 // MB
#define REMOVECHECKDELTA 60 // seconds between checks for removing deleted files
#define DELETEDLIFETIME 300 // seconds after which a deleted recording will be actually removed
#define DISKCHECKDELTA 100 // seconds between checks for free disk space
#define REMOVELATENCY 10 // seconds to wait until next check after removing a file
#define MARKSUPDATEDELTA 10 // seconds between checks for updating editing marks
#define MININDEXAGE 3600 // seconds before an index file is considered no longer to be written
#define MAX_LINK_LEVEL 6
#define LIMIT_SECS_PER_MB_RADIO 5 // radio recordings typically have more than this
int DirectoryPathMax = PATH_MAX - 1;
int DirectoryNameMax = NAME_MAX;
bool DirectoryEncoding = false;
int InstanceId = 0;
cRecordings DeletedRecordings(true);
static cRecordings VanishedRecordings;
// --- cRemoveDeletedRecordingsThread ----------------------------------------
class cRemoveDeletedRecordingsThread : public cThread {
protected:
virtual void Action(void);
public:
cRemoveDeletedRecordingsThread(void);
};
cRemoveDeletedRecordingsThread::cRemoveDeletedRecordingsThread(void)
:cThread("remove deleted recordings", true)
{
}
void cRemoveDeletedRecordingsThread::Action(void)
{
// Make sure only one instance of VDR does this:
cLockFile LockFile(cVideoDirectory::Name());
if (LockFile.Lock()) {
bool deleted = false;
cThreadLock DeletedRecordingsLock(&DeletedRecordings);
for (cRecording *r = DeletedRecordings.First(); r; ) {
if (cIoThrottle::Engaged())
return;
if (r->Deleted() && time(NULL) - r->Deleted() > DELETEDLIFETIME) {
cRecording *next = DeletedRecordings.Next(r);
r->Remove();
DeletedRecordings.Del(r);
r = next;
deleted = true;
continue;
}
r = DeletedRecordings.Next(r);
}
if (deleted) {
const char *IgnoreFiles[] = { SORTMODEFILE, NULL };
cVideoDirectory::RemoveEmptyVideoDirectories(IgnoreFiles);
}
}
}
static cRemoveDeletedRecordingsThread RemoveDeletedRecordingsThread;
// ---
void RemoveDeletedRecordings(void)
{
static time_t LastRemoveCheck = 0;
if (time(NULL) - LastRemoveCheck > REMOVECHECKDELTA) {
if (!RemoveDeletedRecordingsThread.Active()) {
cThreadLock DeletedRecordingsLock(&DeletedRecordings);
for (cRecording *r = DeletedRecordings.First(); r; r = DeletedRecordings.Next(r)) {
if (r->Deleted() && time(NULL) - r->Deleted() > DELETEDLIFETIME) {
RemoveDeletedRecordingsThread.Start();
break;
}
}
}
LastRemoveCheck = time(NULL);
}
}
void AssertFreeDiskSpace(int Priority, bool Force)
{
static cMutex Mutex;
cMutexLock MutexLock(&Mutex);
// With every call to this function we try to actually remove
// a file, or mark a file for removal ("delete" it), so that
// it will get removed during the next call.
static time_t LastFreeDiskCheck = 0;
int Factor = (Priority == -1) ? 10 : 1;
if (Force || time(NULL) - LastFreeDiskCheck > DISKCHECKDELTA / Factor) {
if (!cVideoDirectory::VideoFileSpaceAvailable(MINDISKSPACE)) {
// Make sure only one instance of VDR does this:
cLockFile LockFile(cVideoDirectory::Name());
if (!LockFile.Lock())
return;
// Remove the oldest file that has been "deleted":
isyslog("low disk space while recording, trying to remove a deleted recording...");
cThreadLock DeletedRecordingsLock(&DeletedRecordings);
if (DeletedRecordings.Count()) {
cRecording *r = DeletedRecordings.First();
cRecording *r0 = NULL;
while (r) {
if (r->IsOnVideoDirectoryFileSystem()) { // only remove recordings that will actually increase the free video disk space
if (!r0 || r->Start() < r0->Start())
r0 = r;
}
r = DeletedRecordings.Next(r);
}
if (r0) {
if (r0->Remove())
LastFreeDiskCheck += REMOVELATENCY / Factor;
DeletedRecordings.Del(r0);
return;
}
}
else {
// DeletedRecordings was empty, so to be absolutely sure there are no
// deleted recordings we need to double check:
DeletedRecordings.Update(true);
if (DeletedRecordings.Count())
return; // the next call will actually remove it
}
// No "deleted" files to remove, so let's see if we can delete a recording:
if (Priority > 0) {
isyslog("...no deleted recording found, trying to delete an old recording...");
cThreadLock RecordingsLock(&Recordings);
if (Recordings.Count()) {
cRecording *r = Recordings.First();
cRecording *r0 = NULL;
while (r) {
if (r->IsOnVideoDirectoryFileSystem()) { // only delete recordings that will actually increase the free video disk space
if (!r->IsEdited() && r->Lifetime() < MAXLIFETIME) { // edited recordings and recordings with MAXLIFETIME live forever
if ((r->Lifetime() == 0 && Priority > r->Priority()) || // the recording has no guaranteed lifetime and the new recording has higher priority
(r->Lifetime() > 0 && (time(NULL) - r->Start()) / SECSINDAY >= r->Lifetime())) { // the recording's guaranteed lifetime has expired
if (r0) {
if (r->Priority() < r0->Priority() || (r->Priority() == r0->Priority() && r->Start() < r0->Start()))
r0 = r; // in any case we delete the one with the lowest priority (or the older one in case of equal priorities)
}
else
r0 = r;
}
}
}
r = Recordings.Next(r);
}
if (r0 && r0->Delete()) {
Recordings.Del(r0);
return;
}
}
// Unable to free disk space, but there's nothing we can do about that...
isyslog("...no old recording found, giving up");
}
else
isyslog("...no deleted recording found, priority %d too low to trigger deleting an old recording", Priority);
Skins.QueueMessage(mtWarning, tr("Low disk space!"), 5, -1);
}
LastFreeDiskCheck = time(NULL);
}
}
// --- Clear vanished recordings ---------------------------------------------
void ClearVanishedRecordings(void)
{
cThreadLock RecordingsLock(&Recordings); // yes, it *is* Recordings!
VanishedRecordings.Clear();
}
// --- cResumeFile -----------------------------------------------------------
cResumeFile::cResumeFile(const char *FileName, bool IsPesRecording)
{
isPesRecording = IsPesRecording;
const char *Suffix = isPesRecording ? RESUMEFILESUFFIX ".vdr" : RESUMEFILESUFFIX;
fileName = MALLOC(char, strlen(FileName) + strlen(Suffix) + 1);
if (fileName) {
strcpy(fileName, FileName);
sprintf(fileName + strlen(fileName), Suffix, Setup.ResumeID ? "." : "", Setup.ResumeID ? *itoa(Setup.ResumeID) : "");
}
else
esyslog("ERROR: can't allocate memory for resume file name");
}
cResumeFile::~cResumeFile()
{
free(fileName);
}
int cResumeFile::Read(void)
{
int resume = -1;
if (fileName) {
struct stat st;
if (stat(fileName, &st) == 0) {
if ((st.st_mode & S_IWUSR) == 0) // no write access, assume no resume
return -1;
}
if (isPesRecording) {
int f = open(fileName, O_RDONLY);
if (f >= 0) {
if (safe_read(f, &resume, sizeof(resume)) != sizeof(resume)) {
resume = -1;
LOG_ERROR_STR(fileName);
}
close(f);
}
else if (errno != ENOENT)
LOG_ERROR_STR(fileName);
}
else {
FILE *f = fopen(fileName, "r");
if (f) {
cReadLine ReadLine;
char *s;
int line = 0;
while ((s = ReadLine.Read(f)) != NULL) {
++line;
char *t = skipspace(s + 1);
switch (*s) {
case 'I': resume = atoi(t);
break;
default: ;
}
}
fclose(f);
}
else if (errno != ENOENT)
LOG_ERROR_STR(fileName);
}
}
return resume;
}
bool cResumeFile::Save(int Index)
{
if (fileName) {
if (isPesRecording) {
int f = open(fileName, O_WRONLY | O_CREAT | O_TRUNC, DEFFILEMODE);
if (f >= 0) {
if (safe_write(f, &Index, sizeof(Index)) < 0)
LOG_ERROR_STR(fileName);
close(f);
Recordings.ResetResume(fileName);
return true;
}
}
else {
FILE *f = fopen(fileName, "w");
if (f) {
fprintf(f, "I %d\n", Index);
fclose(f);
Recordings.ResetResume(fileName);
}
else
LOG_ERROR_STR(fileName);
return true;
}
}
return false;
}
void cResumeFile::Delete(void)
{
if (fileName) {
if (remove(fileName) == 0)
Recordings.ResetResume(fileName);
else if (errno != ENOENT)
LOG_ERROR_STR(fileName);
}
}
// --- cRecordingInfo --------------------------------------------------------
cRecordingInfo::cRecordingInfo(const cChannel *Channel, const cEvent *Event)
{
channelID = Channel ? Channel->GetChannelID() : tChannelID::InvalidID;
channelName = Channel ? strdup(Channel->Name()) : NULL;
ownEvent = Event ? NULL : new cEvent(0);
event = ownEvent ? ownEvent : Event;
aux = NULL;
framesPerSecond = DEFAULTFRAMESPERSECOND;
priority = MAXPRIORITY;
lifetime = MAXLIFETIME;
fileName = NULL;
if (Channel) {
// Since the EPG data's component records can carry only a single
// language code, let's see whether the channel's PID data has
// more information:
cComponents *Components = (cComponents *)event->Components();
if (!Components)
Components = new cComponents;
for (int i = 0; i < MAXAPIDS; i++) {
const char *s = Channel->Alang(i);
if (*s) {
tComponent *Component = Components->GetComponent(i, 2, 3);
if (!Component)
Components->SetComponent(Components->NumComponents(), 2, 3, s, NULL);
else if (strlen(s) > strlen(Component->language))
strn0cpy(Component->language, s, sizeof(Component->language));
}
}
// There's no "multiple languages" for Dolby Digital tracks, but
// we do the same procedure here, too, in case there is no component
// information at all:
for (int i = 0; i < MAXDPIDS; i++) {
const char *s = Channel->Dlang(i);
if (*s) {
tComponent *Component = Components->GetComponent(i, 4, 0); // AC3 component according to the DVB standard
if (!Component)
Component = Components->GetComponent(i, 2, 5); // fallback "Dolby" component according to the "Premiere pseudo standard"
if (!Component)
Components->SetComponent(Components->NumComponents(), 2, 5, s, NULL);
else if (strlen(s) > strlen(Component->language))
strn0cpy(Component->language, s, sizeof(Component->language));
}
}
// The same applies to subtitles:
for (int i = 0; i < MAXSPIDS; i++) {
const char *s = Channel->Slang(i);
if (*s) {
tComponent *Component = Components->GetComponent(i, 3, 3);
if (!Component)
Components->SetComponent(Components->NumComponents(), 3, 3, s, NULL);
else if (strlen(s) > strlen(Component->language))
strn0cpy(Component->language, s, sizeof(Component->language));
}
}
if (Components != event->Components())
((cEvent *)event)->SetComponents(Components);
}
}
cRecordingInfo::cRecordingInfo(const char *FileName)
{
channelID = tChannelID::InvalidID;
channelName = NULL;
ownEvent = new cEvent(0);
event = ownEvent;
aux = NULL;
framesPerSecond = DEFAULTFRAMESPERSECOND;
priority = MAXPRIORITY;
lifetime = MAXLIFETIME;
fileName = strdup(cString::sprintf("%s%s", FileName, INFOFILESUFFIX));
}
cRecordingInfo::~cRecordingInfo()
{
delete ownEvent;
free(aux);
free(channelName);
free(fileName);
}
void cRecordingInfo::SetData(const char *Title, const char *ShortText, const char *Description)
{
if (!isempty(Title))
((cEvent *)event)->SetTitle(Title);
if (!isempty(ShortText))
((cEvent *)event)->SetShortText(ShortText);
if (!isempty(Description))
((cEvent *)event)->SetDescription(Description);
}
void cRecordingInfo::SetAux(const char *Aux)
{
free(aux);
aux = Aux ? strdup(Aux) : NULL;
}
void cRecordingInfo::SetFramesPerSecond(double FramesPerSecond)
{
framesPerSecond = FramesPerSecond;
}
void cRecordingInfo::SetFileName(const char *FileName)
{
bool IsPesRecording = fileName && endswith(fileName, ".vdr");
free(fileName);
fileName = strdup(cString::sprintf("%s%s", FileName, IsPesRecording ? INFOFILESUFFIX ".vdr" : INFOFILESUFFIX));
}
bool cRecordingInfo::Read(FILE *f)
{
if (ownEvent) {
cReadLine ReadLine;
char *s;
int line = 0;
while ((s = ReadLine.Read(f)) != NULL) {
++line;
char *t = skipspace(s + 1);
switch (*s) {
case 'C': {
char *p = strchr(t, ' ');
if (p) {
free(channelName);
channelName = strdup(compactspace(p));
*p = 0; // strips optional channel name
}
if (*t)
channelID = tChannelID::FromString(t);
}
break;
case 'E': {
unsigned int EventID;
time_t StartTime;
int Duration;
unsigned int TableID = 0;
unsigned int Version = 0xFF;
int n = sscanf(t, "%u %ld %d %X %X", &EventID, &StartTime, &Duration, &TableID, &Version);
if (n >= 3 && n <= 5) {
ownEvent->SetEventID(EventID);
ownEvent->SetStartTime(StartTime);
ownEvent->SetDuration(Duration);
ownEvent->SetTableID(uchar(TableID));
ownEvent->SetVersion(uchar(Version));
}
}
break;
case 'F': framesPerSecond = atod(t);
break;
case 'L': lifetime = atoi(t);
break;
case 'P': priority = atoi(t);
break;
case '@': free(aux);
aux = strdup(t);
break;
case '#': break; // comments are ignored
default: if (!ownEvent->Parse(s)) {
esyslog("ERROR: EPG data problem in line %d", line);
return false;
}
break;
}
}
return true;
}
return false;
}
bool cRecordingInfo::Write(FILE *f, const char *Prefix) const
{
if (channelID.Valid())
fprintf(f, "%sC %s%s%s\n", Prefix, *channelID.ToString(), channelName ? " " : "", channelName ? channelName : "");
event->Dump(f, Prefix, true);
fprintf(f, "%sF %s\n", Prefix, *dtoa(framesPerSecond, "%.10g"));
fprintf(f, "%sP %d\n", Prefix, priority);
fprintf(f, "%sL %d\n", Prefix, lifetime);
if (aux)
fprintf(f, "%s@ %s\n", Prefix, aux);
return true;
}
bool cRecordingInfo::Read(void)
{
bool Result = false;
if (fileName) {
FILE *f = fopen(fileName, "r");
if (f) {
if (Read(f))
Result = true;
else
esyslog("ERROR: EPG data problem in file %s", fileName);
fclose(f);
}
else if (errno != ENOENT)
LOG_ERROR_STR(fileName);
}
return Result;
}
bool cRecordingInfo::Write(void) const
{
bool Result = false;
if (fileName) {
cSafeFile f(fileName);
if (f.Open()) {
if (Write(f))
Result = true;
f.Close();
}
else
LOG_ERROR_STR(fileName);
}
return Result;
}
// --- cRecording ------------------------------------------------------------
#define RESUME_NOT_INITIALIZED (-2)
struct tCharExchange { char a; char b; };
tCharExchange CharExchange[] = {
{ FOLDERDELIMCHAR, '/' },
{ '/', FOLDERDELIMCHAR },
{ ' ', '_' },
// backwards compatibility:
{ '\'', '\'' },
{ '\'', '\x01' },
{ '/', '\x02' },
{ 0, 0 }
};
const char *InvalidChars = "\"\\/:*?|<>#";
bool NeedsConversion(const char *p)
{
return DirectoryEncoding &&
(strchr(InvalidChars, *p) // characters that can't be part of a Windows file/directory name
|| *p == '.' && (!*(p + 1) || *(p + 1) == FOLDERDELIMCHAR)); // Windows can't handle '.' at the end of file/directory names
}
char *ExchangeChars(char *s, bool ToFileSystem)
{
char *p = s;
while (*p) {
if (DirectoryEncoding) {
// Some file systems can't handle all characters, so we
// have to take extra efforts to encode/decode them:
if (ToFileSystem) {
switch (*p) {
// characters that can be mapped to other characters:
case ' ': *p = '_'; break;
case FOLDERDELIMCHAR: *p = '/'; break;
case '/': *p = FOLDERDELIMCHAR; break;
// characters that have to be encoded:
default:
if (NeedsConversion(p)) {
int l = p - s;
if (char *NewBuffer = (char *)realloc(s, strlen(s) + 10)) {
s = NewBuffer;
p = s + l;
char buf[4];
sprintf(buf, "#%02X", (unsigned char)*p);
memmove(p + 2, p, strlen(p) + 1);
strncpy(p, buf, 3);
p += 2;
}
else
esyslog("ERROR: out of memory");
}
}
}
else {
switch (*p) {
// mapped characters:
case '_': *p = ' '; break;
case FOLDERDELIMCHAR: *p = '/'; break;
case '/': *p = FOLDERDELIMCHAR; break;
// encoded characters:
case '#': {
if (strlen(p) > 2 && isxdigit(*(p + 1)) && isxdigit(*(p + 2))) {
char buf[3];
sprintf(buf, "%c%c", *(p + 1), *(p + 2));
uchar c = uchar(strtol(buf, NULL, 16));
if (c) {
*p = c;
memmove(p + 1, p + 3, strlen(p) - 2);
}
}
}
break;
// backwards compatibility:
case '\x01': *p = '\''; break;
case '\x02': *p = '/'; break;
case '\x03': *p = ':'; break;
default: ;
}
}
}
else {
for (struct tCharExchange *ce = CharExchange; ce->a && ce->b; ce++) {
if (*p == (ToFileSystem ? ce->a : ce->b)) {
*p = ToFileSystem ? ce->b : ce->a;
break;
}
}
}
p++;
}
return s;
}
char *LimitNameLengths(char *s, int PathMax, int NameMax)
{
// Limits the total length of the directory path in 's' to PathMax, and each
// individual directory name to NameMax. The lengths of characters that need
// conversion when using 's' as a file name are taken into account accordingly.
// If a directory name exceeds NameMax, it will be truncated. If the whole
// directory path exceeds PathMax, individual directory names will be shortened
// (from right to left) until the limit is met, or until the currently handled
// directory name consists of only a single character. All operations are performed
// directly on the given 's', which may become shorter (but never longer) than
// the original value.
// Returns a pointer to 's'.
int Length = strlen(s);
int PathLength = 0;
// Collect the resulting lengths of each character:
bool NameTooLong = false;
int8_t a[Length];
int n = 0;
int NameLength = 0;
for (char *p = s; *p; p++) {
if (*p == FOLDERDELIMCHAR) {
a[n] = -1; // FOLDERDELIMCHAR is a single character, neg. sign marks it
NameTooLong |= NameLength > NameMax;
NameLength = 0;
PathLength += 1;
}
else if (NeedsConversion(p)) {
a[n] = 3; // "#xx"
NameLength += 3;
PathLength += 3;
}
else {
int8_t l = Utf8CharLen(p);
a[n] = l;
NameLength += l;
PathLength += l;
while (l-- > 1) {
a[++n] = 0;
p++;
}
}
n++;
}
NameTooLong |= NameLength > NameMax;
// Limit names to NameMax:
if (NameTooLong) {
while (n > 0) {
// Calculate the length of the current name:
int NameLength = 0;
int i = n;
int b = i;
while (i-- > 0 && a[i] >= 0) {
NameLength += a[i];
b = i;
}
// Shorten the name if necessary:
if (NameLength > NameMax) {
int l = 0;
i = n;
while (i-- > 0 && a[i] >= 0) {
l += a[i];
if (NameLength - l <= NameMax) {
memmove(s + i, s + n, Length - n + 1);
memmove(a + i, a + n, Length - n + 1);
Length -= n - i;
PathLength -= l;
break;
}
}
}
// Switch to the next name:
n = b - 1;
}
}
// Limit path to PathMax:
n = Length;
while (PathLength > PathMax && n > 0) {
// Calculate how much to cut off the current name:
int i = n;
int b = i;
int l = 0;
while (--i > 0 && a[i - 1] >= 0) {
if (a[i] > 0) {
l += a[i];
b = i;
if (PathLength - l <= PathMax)
break;
}
}
// Shorten the name if necessary:
if (l > 0) {
memmove(s + b, s + n, Length - n + 1);
Length -= n - b;
PathLength -= l;
}
// Switch to the next name:
n = i - 1;
}
return s;
}
cRecording::cRecording(cTimer *Timer, const cEvent *Event)
{
resume = RESUME_NOT_INITIALIZED;
titleBuffer = NULL;
sortBufferName = sortBufferTime = NULL;
fileName = NULL;
name = NULL;
fileSizeMB = -1; // unknown
channel = Timer->Channel()->Number();
instanceId = InstanceId;
isPesRecording = false;
isOnVideoDirectoryFileSystem = -1; // unknown
framesPerSecond = DEFAULTFRAMESPERSECOND;
numFrames = -1;
deleted = 0;
// set up the actual name:
const char *Title = Event ? Event->Title() : NULL;
const char *Subtitle = Event ? Event->ShortText() : NULL;
if (isempty(Title))
Title = Timer->Channel()->Name();
if (isempty(Subtitle))
Subtitle = " ";
const char *macroTITLE = strstr(Timer->File(), TIMERMACRO_TITLE);
const char *macroEPISODE = strstr(Timer->File(), TIMERMACRO_EPISODE);
if (macroTITLE || macroEPISODE) {
name = strdup(Timer->File());
name = strreplace(name, TIMERMACRO_TITLE, Title);
name = strreplace(name, TIMERMACRO_EPISODE, Subtitle);
// avoid blanks at the end:
int l = strlen(name);
while (l-- > 2) {
if (name[l] == ' ' && name[l - 1] != FOLDERDELIMCHAR)
name[l] = 0;
else
break;
}
if (Timer->IsSingleEvent()) {
Timer->SetFile(name); // this was an instant recording, so let's set the actual data
Timers.SetModified();
}
}
else if (Timer->IsSingleEvent() || !Setup.UseSubtitle)
name = strdup(Timer->File());
else
name = strdup(cString::sprintf("%s%c%s", Timer->File(), FOLDERDELIMCHAR, Subtitle));
// substitute characters that would cause problems in file names:
strreplace(name, '\n', ' ');
start = Timer->StartTime();
priority = Timer->Priority();
lifetime = Timer->Lifetime();
// handle info:
info = new cRecordingInfo(Timer->Channel(), Event);
info->SetAux(Timer->Aux());
info->priority = priority;
info->lifetime = lifetime;
}
cRecording::cRecording(const char *FileName)
{
resume = RESUME_NOT_INITIALIZED;
fileSizeMB = -1; // unknown
channel = -1;
instanceId = -1;
priority = MAXPRIORITY; // assume maximum in case there is no info file
lifetime = MAXLIFETIME;
isPesRecording = false;
isOnVideoDirectoryFileSystem = -1; // unknown
framesPerSecond = DEFAULTFRAMESPERSECOND;
numFrames = -1;
deleted = 0;
titleBuffer = NULL;
sortBufferName = sortBufferTime = NULL;
FileName = fileName = strdup(FileName);
if (*(fileName + strlen(fileName) - 1) == '/')
*(fileName + strlen(fileName) - 1) = 0;
if (strstr(FileName, cVideoDirectory::Name()) == FileName)
FileName += strlen(cVideoDirectory::Name()) + 1;
const char *p = strrchr(FileName, '/');
name = NULL;
info = new cRecordingInfo(fileName);
if (p) {
time_t now = time(NULL);
struct tm tm_r;
struct tm t = *localtime_r(&now, &tm_r); // this initializes the time zone in 't'
t.tm_isdst = -1; // makes sure mktime() will determine the correct DST setting
if (7 == sscanf(p + 1, DATAFORMATTS, &t.tm_year, &t.tm_mon, &t.tm_mday, &t.tm_hour, &t.tm_min, &channel, &instanceId)
|| 7 == sscanf(p + 1, DATAFORMATPES, &t.tm_year, &t.tm_mon, &t.tm_mday, &t.tm_hour, &t.tm_min, &priority, &lifetime)) {
t.tm_year -= 1900;
t.tm_mon--;
t.tm_sec = 0;
start = mktime(&t);
name = MALLOC(char, p - FileName + 1);
strncpy(name, FileName, p - FileName);
name[p - FileName] = 0;
name = ExchangeChars(name, false);
isPesRecording = instanceId < 0;
}
else
return;
GetResume();
// read an optional info file:
cString InfoFileName = cString::sprintf("%s%s", fileName, isPesRecording ? INFOFILESUFFIX ".vdr" : INFOFILESUFFIX);
FILE *f = fopen(InfoFileName, "r");
if (f) {
if (!info->Read(f))
esyslog("ERROR: EPG data problem in file %s", *InfoFileName);
else if (!isPesRecording) {
priority = info->priority;
lifetime = info->lifetime;
framesPerSecond = info->framesPerSecond;
}
fclose(f);
}
else if (errno == ENOENT)
info->ownEvent->SetTitle(name);
else
LOG_ERROR_STR(*InfoFileName);
#ifdef SUMMARYFALLBACK
// fall back to the old 'summary.vdr' if there was no 'info.vdr':
if (isempty(info->Title())) {
cString SummaryFileName = cString::sprintf("%s%s", fileName, SUMMARYFILESUFFIX);
FILE *f = fopen(SummaryFileName, "r");
if (f) {
int line = 0;
char *data[3] = { NULL };
cReadLine ReadLine;
char *s;
while ((s = ReadLine.Read(f)) != NULL) {
if (*s || line > 1) {
if (data[line]) {
int len = strlen(s);
len += strlen(data[line]) + 1;
if (char *NewBuffer = (char *)realloc(data[line], len + 1)) {
data[line] = NewBuffer;
strcat(data[line], "\n");
strcat(data[line], s);
}
else
esyslog("ERROR: out of memory");
}
else
data[line] = strdup(s);
}
else
line++;
}
fclose(f);
if (!data[2]) {
data[2] = data[1];
data[1] = NULL;
}
else if (data[1] && data[2]) {
// if line 1 is too long, it can't be the short text,
// so assume the short text is missing and concatenate
// line 1 and line 2 to be the long text:
int len = strlen(data[1]);
if (len > 80) {
if (char *NewBuffer = (char *)realloc(data[1], len + 1 + strlen(data[2]) + 1)) {
data[1] = NewBuffer;
strcat(data[1], "\n");
strcat(data[1], data[2]);
free(data[2]);
data[2] = data[1];
data[1] = NULL;
}
else
esyslog("ERROR: out of memory");
}
}
info->SetData(data[0], data[1], data[2]);
for (int i = 0; i < 3; i ++)
free(data[i]);
}
else if (errno != ENOENT)
LOG_ERROR_STR(*SummaryFileName);
}
#endif
}
}
cRecording::~cRecording()
{
free(titleBuffer);
free(sortBufferName);
free(sortBufferTime);
free(fileName);
free(name);
delete info;
}
char *cRecording::StripEpisodeName(char *s, bool Strip)
{
char *t = s, *s1 = NULL, *s2 = NULL;
while (*t) {
if (*t == '/') {
if (s1) {
if (s2)
s1 = s2;
s2 = t;
}
else
s1 = t;
}
t++;
}
if (s1 && s2) {
// To have folders sorted before plain recordings, the '/' s1 points to
// is replaced by the character '1'. All other slashes will be replaced
// by '0' in SortName() (see below), which will result in the desired
// sequence:
*s1 = '1';
if (Strip) {
s1++;
memmove(s1, s2, t - s2 + 1);
}
}
return s;
}
char *cRecording::SortName(void) const
{
char **sb = (RecordingsSortMode == rsmName) ? &sortBufferName : &sortBufferTime;
if (!*sb) {
if (RecordingsSortMode == rsmTime && !Setup.RecordingDirs) {
char buf[32];
struct tm tm_r;
strftime(buf, sizeof(buf), "%Y%m%d%H%I", localtime_r(&start, &tm_r));
*sb = strdup(buf);
}
else {
char *s = strdup(FileName() + strlen(cVideoDirectory::Name()));
if (RecordingsSortMode != rsmName || Setup.AlwaysSortFoldersFirst)
s = StripEpisodeName(s, RecordingsSortMode != rsmName);
strreplace(s, '/', '0'); // some locales ignore '/' when sorting
int l = strxfrm(NULL, s, 0) + 1;
*sb = MALLOC(char, l);
strxfrm(*sb, s, l);
free(s);
}
}
return *sb;
}
void cRecording::ClearSortName(void)
{
free(sortBufferName);
free(sortBufferTime);
sortBufferName = sortBufferTime = NULL;
}
int cRecording::GetResume(void) const
{