Implemented 'Rewind' in the 'Recordings' menu

HISTORY

@@ -350,7 +350,7 @@ Video Disk Recorder Revision History
 - Encrypted channels can now be selected even without knowing the PNR (however, it
   is still necessary for the EPG info).
 
-2001-02-10: Version 0.71
+2001-02-11: Version 0.71
 
 - Fixed 'Transfer Mode' in cases where a non-primary interface was switched to
   a channel that only the primary interface can receive (which could happen in
@@ -386,3 +386,5 @@ Video Disk Recorder Revision History
   module only works if it is inserted into the last DVB card).
 - The "Now", "Next" and "Schedule" menus now remember the current channel and
   restore the list when switching between them.
+- The "Green" button in the "Recordings" menu can now be used to rewind a
+  recording and play it from the very beginning.

MANUAL

@@ -18,10 +18,10 @@ Video Disk Recorder User's Manual
   Menu    Menu on     Menu off   Menu off   Menu off   Menu off      Menu off    Menu on
   Back    -           Menu off   Main menu  Main menu  Discard       Main menu   Recordings menu
   Red     -           Record     Edit       Edit       -             Play        -
-  Green   -           -          New        New        -             -           Skip -60s
+  Green   -           -          New        New        -             Rewind      Skip -60s
   Yellow  -           -          Delete     Delete     -             Delete      Skip +60s
-  Blue    -           Resume     Mark       Mark       -             -           Stop
+  Blue    -           Resume     Mark       Mark       -             Summary     Stop
-  0..9    Ch select   -          -          -          Numeric inp.  -           -
+  0..9    Ch select   -          -          -          Numeric inp.  -           Editing
 
 * Navigating through the On Screen Menus
 

dvbapi.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: dvbapi.c 1.57 2001/02/03 17:43:21 kls Exp $
+ * $Id: dvbapi.c 1.58 2001/02/11 11:04:41 kls Exp $
  */
 
 #include "dvbapi.h"
@@ -67,7 +67,6 @@ extern "C" {
 #define DISKCHECKINTERVAL   100 // seconds
 
 #define INDEXFILESUFFIX     "/index.vdr"
-#define RESUMEFILESUFFIX    "/resume.vdr"
 #define RECORDFILESUFFIX    "/%03d.vdr"
 #define RECORDFILESUFFIXLEN 20 // some additional bytes for safety...
 
@@ -105,56 +104,6 @@ int HMSFToIndex(const char *HMSF)
   return 0;
 }
 
-// --- cResumeFile ------------------------------------------------------------
-
-cResumeFile::cResumeFile(const char *FileName)
-{
-  fileName = new char[strlen(FileName) + strlen(RESUMEFILESUFFIX) + 1];
-  if (fileName) {
-     strcpy(fileName, FileName);
-     strcat(fileName, RESUMEFILESUFFIX);
-     }
-  else
-     esyslog(LOG_ERR, "ERROR: can't allocate memory for resume file name");
-}
-
-cResumeFile::~cResumeFile()
-{
-  delete fileName;
-}
-
-int cResumeFile::Read(void)
-{
-  int resume = -1;
-  if (fileName) {
-     int f = open(fileName, O_RDONLY);
-     if (f >= 0) {
-        if (read(f, &resume, sizeof(resume)) != sizeof(resume)) {
-           resume = -1;
-           LOG_ERROR_STR(fileName);
-           }
-        close(f);
-        }
-     else if (errno != ENOENT)
-        LOG_ERROR_STR(fileName);
-     }
-  return resume;
-}
-
-bool cResumeFile::Save(int Index)
-{
-  if (fileName) {
-     int f = open(fileName, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP);
-     if (f >= 0) {
-        if (write(f, &Index, sizeof(Index)) != sizeof(Index))
-           LOG_ERROR_STR(fileName);
-        close(f);
-        return true;
-        }
-     }
-  return false;
-}
-
 // --- cIndexFile ------------------------------------------------------------
 
 class cIndexFile {

dvbapi.h

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: dvbapi.h 1.34 2001/02/10 13:11:48 kls Exp $
+ * $Id: dvbapi.h 1.35 2001/02/11 10:41:10 kls Exp $
  */
 
 #ifndef __DVBAPI_H
@@ -33,16 +33,6 @@ typedef struct CRect {
 #define MenuLines   15
 #define MenuColumns 40
 
-class cResumeFile {
-private:
-  char *fileName;
-public:
-  cResumeFile(const char *FileName);
-  ~cResumeFile();
-  int Read(void);
-  bool Save(int Index);
-  };
-
 const char *IndexToHMSF(int Index, bool WithFrame = false);
       // Converts the given index to a string, optionally containing the frame number.
 int HMSFToIndex(const char *HMSF);

i18n.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: i18n.c 1.9 2001/02/03 16:06:04 kls Exp $
+ * $Id: i18n.c 1.10 2001/02/11 10:23:10 kls Exp $
  *
  * Slovenian translations provided by Miha Setina <mihasetina@softhome.net>
  * Italian   translations provided by Alberto Carraro <bertocar@tin.it>
@@ -161,6 +161,11 @@ const tPhrase Phrases[] = {
     "Predavajaj",
     "Riproduci",
   },
+  { "Rewind",
+    "Anfang",
+    "",// TODO
+    "",// TODO
+  },
   { "Resume",
     "Weiter",
     "Nadaljuj",

menu.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: menu.c 1.64 2001/02/10 15:34:35 kls Exp $
+ * $Id: menu.c 1.65 2001/02/11 11:01:47 kls Exp $
  */
 
 #include "menu.h"
@@ -1497,7 +1497,7 @@ cMenuRecordings::cMenuRecordings(void)
            recording = Recordings.Next(recording);
            }
      }
-  SetHelp(tr("Play"), NULL, tr("Delete"), tr("Summary"));
+  SetHelp(tr("Play"), tr("Rewind"), tr("Delete"), tr("Summary"));
   Display();
 }
 
@@ -1511,6 +1511,18 @@ eOSState cMenuRecordings::Play(void)
   return osContinue;
 }
 
+eOSState cMenuRecordings::Rewind(void)
+{
+  cMenuRecordingItem *ri = (cMenuRecordingItem *)Get(Current());
+  if (ri) {
+     cDvbApi::PrimaryDvbApi->StopReplay(); // must do this first to be able to rewind the currently replayed recording
+     cResumeFile ResumeFile(ri->recording->FileName());
+     ResumeFile.Delete();
+     return Play();
+     }
+  return osContinue;
+}
+
 eOSState cMenuRecordings::Del(void)
 {
   cMenuRecordingItem *ri = (cMenuRecordingItem *)Get(Current());
@@ -1551,6 +1563,7 @@ eOSState cMenuRecordings::ProcessKey(eKeys Key)
      switch (Key) {
        case kOk:
        case kRed:    return Play();
+       case kGreen:  return Rewind();
        case kYellow: return Del();
        case kBlue:   return Summary();
        case kMenu:   return osEnd;

menu.h

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: menu.h 1.17 2001/02/04 11:47:21 kls Exp $
+ * $Id: menu.h 1.18 2001/02/11 10:30:35 kls Exp $
  */
 
 #ifndef _MENU_H
@@ -43,6 +43,7 @@ class cMenuRecordings : public cOsdMenu {
 private:
   cRecordings Recordings;
   eOSState Play(void);
+  eOSState Rewind(void);
   eOSState Del(void);
   eOSState Summary(void);
 public:

recording.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: recording.c 1.25 2001/02/04 12:36:32 kls Exp $
+ * $Id: recording.c 1.26 2001/02/11 10:47:31 kls Exp $
  */
 
 #define _GNU_SOURCE
@@ -15,7 +15,6 @@
 #include <string.h>
 #include <sys/stat.h>
 #include <unistd.h>
-#include "dvbapi.h"
 #include "interface.h"
 #include "tools.h"
 #include "videodir.h"
@@ -25,6 +24,7 @@
 #define DATAFORMAT   "%4d-%02d-%02d.%02d:%02d.%02d.%02d" RECEXT
 #define NAMEFORMAT   "%s/%s/" DATAFORMAT
 
+#define RESUMEFILESUFFIX  "/resume.vdr"
 #define SUMMARYFILESUFFIX "/summary.vdr"
 #define MARKSFILESUFFIX   "/marks.vdr"
 
@@ -109,6 +109,64 @@ void AssertFreeDiskSpace(void)
      }
 }
 
+// --- cResumeFile ------------------------------------------------------------
+
+cResumeFile::cResumeFile(const char *FileName)
+{
+  fileName = new char[strlen(FileName) + strlen(RESUMEFILESUFFIX) + 1];
+  if (fileName) {
+     strcpy(fileName, FileName);
+     strcat(fileName, RESUMEFILESUFFIX);
+     }
+  else
+     esyslog(LOG_ERR, "ERROR: can't allocate memory for resume file name");
+}
+
+cResumeFile::~cResumeFile()
+{
+  delete fileName;
+}
+
+int cResumeFile::Read(void)
+{
+  int resume = -1;
+  if (fileName) {
+     int f = open(fileName, O_RDONLY);
+     if (f >= 0) {
+        if (read(f, &resume, sizeof(resume)) != sizeof(resume)) {
+           resume = -1;
+           LOG_ERROR_STR(fileName);
+           }
+        close(f);
+        }
+     else if (errno != ENOENT)
+        LOG_ERROR_STR(fileName);
+     }
+  return resume;
+}
+
+bool cResumeFile::Save(int Index)
+{
+  if (fileName) {
+     int f = open(fileName, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP);
+     if (f >= 0) {
+        if (write(f, &Index, sizeof(Index)) != sizeof(Index))
+           LOG_ERROR_STR(fileName);
+        close(f);
+        return true;
+        }
+     }
+  return false;
+}
+
+void cResumeFile::Delete(void)
+{
+  if (fileName) {
+     if (remove(fileName) < 0 && errno != ENOENT)
+        LOG_ERROR_STR(fileName);
+     }
+}
+
 // --- cRecording ------------------------------------------------------------
 
 cRecording::cRecording(cTimer *Timer)

recording.h

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: recording.h 1.12 2001/02/04 11:44:37 kls Exp $
+ * $Id: recording.h 1.13 2001/02/11 10:45:52 kls Exp $
  */
 
 #ifndef __RECORDING_H
@@ -17,6 +17,17 @@
 void RemoveDeletedRecordings(void);
 void AssertFreeDiskSpace(void);
 
+class cResumeFile {
+private:
+  char *fileName;
+public:
+  cResumeFile(const char *FileName);
+  ~cResumeFile();
+  int Read(void);
+  bool Save(int Index);
+  void Delete(void);
+  };
+
 class cRecording : public cListObject {
   friend class cRecordings;
 private: