From 7e0ffb04996b7e905b0357d20c9113a24c42e9cd Mon Sep 17 00:00:00 2001
From: Klaus Schmidinger <vdr@tvdr.de>
Date: Sat, 12 Feb 2005 13:52:35 +0100
Subject: [PATCH] Removed the "Cleared/PlayPes(NULL, 0)" handling from
 cTransfer::Action(); Making sure the buffer reserve in cTransfer::Action() is
 re-established after clearing the buffer

---
 CONTRIBUTORS |  2 ++
 HISTORY      |  4 ++++
 transfer.c   | 29 +++++++++++++++--------------
 3 files changed, 21 insertions(+), 14 deletions(-)

diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 0260a40b..9bc892c7 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -1138,6 +1138,8 @@ Marco Schl
  for adding CMD_SPU_CHG_COLCON to cDvbSpuDecoder::setTime()
  for suggesting to force a new resync after a call to cRemux::Clear()
  for suggestions that led to the addition of the 'Id' parameter to cAudio::Play().
+ for removing the "Cleared/PlayPes(NULL, 0)" handling from cTransfer::Action(), since
+ this is now done when attaching the player to the device
 
 Jürgen Schmitz <j.schmitz@web.de>
  for reporting a bug in displaying the current channel when switching via the SVDRP
diff --git a/HISTORY b/HISTORY
index eaf01f6b..30e49dd5 100644
--- a/HISTORY
+++ b/HISTORY
@@ -3392,3 +3392,7 @@ Video Disk Recorder Revision History
   the function the substream id of the given audio packet, so that a plugin can
   take the right action for the various kinds if audio data (based on suggestions
   by Werner Fink and Macro Schlüßler).
+- Removed the "Cleared/PlayPes(NULL, 0)" handling from cTransfer::Action(), since this
+  is now done when attaching the player to the device (thanks to Marco Schlüßler).
+- Making sure the buffer reserve in cTransfer::Action() is re-established after
+  clearing the buffer.
diff --git a/transfer.c b/transfer.c
index b3cbec45..9dd91497 100644
--- a/transfer.c
+++ b/transfer.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: transfer.c 1.25 2005/01/23 14:27:40 kls Exp $
+ * $Id: transfer.c 1.26 2005/02/12 13:51:21 kls Exp $
  */
 
 #include "transfer.h"
@@ -61,17 +61,12 @@ void cTransfer::Action(void)
   int Result = 0;
 #define FW_NEEDS_BUFFER_RESERVE_FOR_AC3
 #ifdef FW_NEEDS_BUFFER_RESERVE_FOR_AC3
-  bool Cleared = false;
   bool GotBufferReserve = false;
 #endif
   active = true;
   while (active) {
 #ifdef FW_NEEDS_BUFFER_RESERVE_FOR_AC3
-        if (needsBufferReserve) {
-           if (IsAttached() && !Cleared) {
-              PlayPes(NULL, 0);
-              Cleared = true;
-              }
+        if (needsBufferReserve && !GotBufferReserve) {
            //XXX For dolby we've to fill the buffer because the firmware does
            //XXX not decode dolby but use a PCM stream for transport, therefore
            //XXX the firmware has not enough buffer for noiseless skipping early
@@ -79,14 +74,12 @@ void cTransfer::Action(void)
            //XXX audio is mostly to early in comparison to video).
            //XXX To resolve this, the remuxer or PlayPes() should synchronize
            //XXX audio with the video frames. 2004/09/09 Werner
-           if (!GotBufferReserve) {
-              if (ringBuffer->Available() < 3 * KILOBYTE(192) / 2) { // used to be MAXFRAMESIZE, but the HDTV value of KILOBYTE(512) is way too much here
-                 cCondWait::SleepMs(20); // allow the buffer to collect some reserve
-                 continue;
-                 }
-              else
-                 GotBufferReserve = true;
+           if (ringBuffer->Available() < 3 * KILOBYTE(192) / 2) { // used to be MAXFRAMESIZE, but the HDTV value of KILOBYTE(512) is way too much here
+              cCondWait::SleepMs(20); // allow the buffer to collect some reserve
+              continue;
               }
+           else
+              GotBufferReserve = true;
            }
 #endif
         int Count;
@@ -98,10 +91,14 @@ void cTransfer::Action(void)
               // So let's clear the buffer instead of suffering from permanent
               // overflows.
               dsyslog("clearing transfer buffer to avoid overflows");
+              DeviceClear();
               ringBuffer->Clear();
               remux->Clear();
               PlayPes(NULL, 0);
               p = NULL;
+#ifdef FW_NEEDS_BUFFER_RESERVE_FOR_AC3
+              GotBufferReserve = false;
+#endif
               continue;
               }
            Count = remux->Put(b, Count);
@@ -132,7 +129,11 @@ void cTransfer::Action(void)
                  DeviceClear();
                  ringBuffer->Clear();
                  remux->Clear();
+                 PlayPes(NULL, 0);
                  p = NULL;
+#ifdef FW_NEEDS_BUFFER_RESERVE_FOR_AC3
+                 GotBufferReserve = false;
+#endif
                  }
               }
            }