From 2db303d6f50ad7452eaff13ee2c9213de89a13c1 Mon Sep 17 00:00:00 2001
From: Klaus Schmidinger <vdr@tvdr.de>
Date: Sun, 15 Nov 2009 15:33:55 +0100
Subject: [PATCH] Fixed starting a recording at an I-frame

---
 HISTORY    |  3 ++-
 recorder.c | 42 +++++++++++++++++++++++-------------------
 2 files changed, 25 insertions(+), 20 deletions(-)

diff --git a/HISTORY b/HISTORY
index 873b7418..633d3d35 100644
--- a/HISTORY
+++ b/HISTORY
@@ -6157,7 +6157,7 @@ Video Disk Recorder Revision History
   Reinhard Nissl).
 - Implemented full handling of subtitling descriptors (thanks to Mikko Tuumanen).
 
-2009-11-06: Version 1.7.10
+2009-11-15: Version 1.7.10
 
 - Updated the Italian OSD texts (thanks to Diego Pierotto).
 - Fixed wrong bracketing in cChannel::SubtitlingType() etc.
@@ -6179,3 +6179,4 @@ Video Disk Recorder Revision History
 - Added Slovakian language texts (thanks to Milan Hrala).
 - Fixed EntriesOnSameFileSystem() to avoid using f_fsid, which may be 0 (thanks
   to Frank Schmirler).
+- Fixed starting a recording at an I-frame.
diff --git a/recorder.c b/recorder.c
index 4e48a51e..a383feb3 100644
--- a/recorder.c
+++ b/recorder.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: recorder.c 2.4 2009/05/23 12:18:25 kls Exp $
+ * $Id: recorder.c 2.5 2009/11/15 15:27:08 kls Exp $
  */
 
 #include "recorder.h"
@@ -116,6 +116,7 @@ void cRecorder::Action(void)
 {
   time_t t = time(NULL);
   bool InfoWritten = false;
+  bool FirstIframeSeen = false;
   while (Running()) {
         int r;
         uchar *b = ringBuffer->Get(r);
@@ -134,25 +135,28 @@ void cRecorder::Action(void)
                        }
                     InfoWritten = true;
                     }
-                 if (!NextFile())
-                    break;
-                 if (index && frameDetector->NewFrame())
-                    index->Write(frameDetector->IndependentFrame(), fileName->Number(), fileSize);
-                 if (frameDetector->IndependentFrame()) {
-                    recordFile->Write(patPmtGenerator.GetPat(), TS_SIZE);
-                    fileSize += TS_SIZE;
-                    int Index = 0;
-                    while (uchar *pmt = patPmtGenerator.GetPmt(Index)) {
-                          recordFile->Write(pmt, TS_SIZE);
-                          fileSize += TS_SIZE;
-                          }
+                 if (FirstIframeSeen || frameDetector->IndependentFrame()) {
+                    FirstIframeSeen = true; // start recording with the first I-frame
+                    if (!NextFile())
+                       break;
+                    if (index && frameDetector->NewFrame())
+                       index->Write(frameDetector->IndependentFrame(), fileName->Number(), fileSize);
+                    if (frameDetector->IndependentFrame()) {
+                       recordFile->Write(patPmtGenerator.GetPat(), TS_SIZE);
+                       fileSize += TS_SIZE;
+                       int Index = 0;
+                       while (uchar *pmt = patPmtGenerator.GetPmt(Index)) {
+                             recordFile->Write(pmt, TS_SIZE);
+                             fileSize += TS_SIZE;
+                             }
+                       }
+                    if (recordFile->Write(b, Count) < 0) {
+                       LOG_ERROR_STR(fileName->Name());
+                       break;
+                       }
+                    fileSize += Count;
+                    t = time(NULL);
                     }
-                 if (recordFile->Write(b, Count) < 0) {
-                    LOG_ERROR_STR(fileName->Name());
-                    break;
-                    }
-                 fileSize += Count;
-                 t = time(NULL);
                  }
               ringBuffer->Del(Count);
               }