From 6018769717141e28ed5eb84b2cfb3449f3e7334d Mon Sep 17 00:00:00 2001
From: deva <deva>
Date: Mon, 2 May 2005 10:18:51 +0000
Subject: Preserve network connection when a frozen frame exists, even though
 no recording is done.

---
 src/encoder.cc | 37 ++++++++++++++++++++++++-------------
 src/encoder.h  |  5 +++++
 2 files changed, 29 insertions(+), 13 deletions(-)

diff --git a/src/encoder.cc b/src/encoder.cc
index 2c03b9d..fd7b8a2 100644
--- a/src/encoder.cc
+++ b/src/encoder.cc
@@ -25,6 +25,9 @@
  */
 /*
  * $Log$
+ * Revision 1.23  2005/05/02 10:18:51  deva
+ * Preserve network connection when a frozen frame exists, even though no recording is done.
+ *
  * Revision 1.22  2005/05/02 10:01:58  deva
  * Create and destroy netowrk connections in main function and not in start/stop/freeze... etc
  *
@@ -83,6 +86,8 @@ Encoder::Encoder(Error* err,
   s = NULL;
   n = NULL;
 
+  frozen = false;
+
   //  shoot_request = 0;
   //  shoot_value = 0;
   //  freeze_request = 0;
@@ -92,8 +97,6 @@ Encoder::Encoder(Error* err,
 
 Encoder::~Encoder()
 {
-  if(n) delete n;
-  if(s) delete s;
 }
 
 
@@ -107,11 +110,9 @@ void Encoder::encode()
     frame = queue->pop();
     
     if(frame) {
-      /*
-      if(record || 
-         (freeze_request != freeze_value) || 
-         (shoot_request != shoot_value)) {
-      */
+      if(frame->freeze) frozen = true;
+      if(frame->shoot) frozen = false;
+
       if(frame->record || 
          frame->freeze || 
          frame->shoot) {
@@ -137,12 +138,16 @@ void Encoder::encode()
         
         n->sendPackage(&h, frame->data, frame->size);
       } else {
-        // No data is to be sent, if we have a connection, destroy it.
-        if(s) {
-          if(n) delete n;
-          delete s;
-          s = NULL;
-          n = NULL;
+        // When frozen we need to preserve the connection in order to
+        // remember the frozen frame on the server side.
+        if(!frozen) {
+          // No data is to be sent, if we have a connection, destroy it.
+          if(s) {
+            if(n) delete n;
+            delete s;
+            s = NULL;
+            n = NULL;
+          }
         }
       }
       if(frame) delete frame;
@@ -191,6 +196,12 @@ void Encoder::shoot(unsigned char *rgb)
 
 void Encoder::run() {
   encode();
+  if(s) {
+    if(n) delete n;
+    delete s;
+    s = NULL;
+    n = NULL;
+  }
   fprintf(stderr, "Encoder thread stopped.\n"); fflush(stderr);
 }
 
diff --git a/src/encoder.h b/src/encoder.h
index 0d84825..1912261 100644
--- a/src/encoder.h
+++ b/src/encoder.h
@@ -24,6 +24,9 @@
  */
 /*
  * $Log$
+ * Revision 1.10  2005/05/02 10:18:51  deva
+ * Preserve network connection when a frozen frame exists, even though no recording is done.
+ *
  * Revision 1.9  2005/05/02 09:50:22  deva
  * Rewrote freeze, shoot and record flags, from encoder to frame.
  *
@@ -98,6 +101,8 @@ private:
   char ip[32];
   char cpr[32];
 
+  bool frozen;
+
   //  volatile int record;
 
   //  volatile int shoot_request;
-- 
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