From c04dcc2e7d834218ef2d4194331e383402495ae1 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 10 Apr 2024 20:07:22 +0200
Subject: Adding upstream version 2:20.4+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 xbmc/cores/VideoPlayer/DVDMessage.cpp | 110 ++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 xbmc/cores/VideoPlayer/DVDMessage.cpp

(limited to 'xbmc/cores/VideoPlayer/DVDMessage.cpp')

diff --git a/xbmc/cores/VideoPlayer/DVDMessage.cpp b/xbmc/cores/VideoPlayer/DVDMessage.cpp
new file mode 100644
index 0000000..34e8076
--- /dev/null
+++ b/xbmc/cores/VideoPlayer/DVDMessage.cpp
@@ -0,0 +1,110 @@
+/*
+ *  Copyright (C) 2005-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#include "DVDMessage.h"
+
+#include "DVDDemuxers/DVDDemuxUtils.h"
+#include "threads/Condition.h"
+#include "threads/CriticalSection.h"
+#include "threads/SystemClock.h"
+#include "utils/MathUtils.h"
+#include "utils/log.h"
+
+#include <algorithm>
+#include <mutex>
+
+using namespace std::chrono_literals;
+
+class CDVDMsgGeneralSynchronizePriv
+{
+public:
+  CDVDMsgGeneralSynchronizePriv(std::chrono::milliseconds timeout, unsigned int sources)
+    : sources(sources), reached(0), m_timer(timeout)
+  {}
+  unsigned int sources;
+  unsigned int reached;
+  CCriticalSection section;
+  XbmcThreads::ConditionVariable condition;
+  XbmcThreads::EndTime<> m_timer;
+};
+
+/**
+ * CDVDMsgGeneralSynchronize --- GENERAL_SYNCRONIZR
+ */
+CDVDMsgGeneralSynchronize::CDVDMsgGeneralSynchronize(std::chrono::milliseconds timeout,
+                                                     unsigned int sources)
+  : CDVDMsg(GENERAL_SYNCHRONIZE), m_p(new CDVDMsgGeneralSynchronizePriv(timeout, sources))
+{
+}
+
+CDVDMsgGeneralSynchronize::~CDVDMsgGeneralSynchronize()
+{
+  m_p->condition.notifyAll();
+
+  delete m_p;
+}
+
+bool CDVDMsgGeneralSynchronize::Wait(std::chrono::milliseconds timeout, unsigned int source)
+{
+  std::unique_lock<CCriticalSection> lock(m_p->section);
+
+  XbmcThreads::EndTime<> timer{timeout};
+
+  m_p->reached |= (source & m_p->sources);
+  if ((m_p->sources & SYNCSOURCE_ANY) && source)
+    m_p->reached |= SYNCSOURCE_ANY;
+
+  m_p->condition.notifyAll();
+
+  while (m_p->reached != m_p->sources)
+  {
+    timeout = std::min(m_p->m_timer.GetTimeLeft(), timer.GetTimeLeft());
+    if (m_p->condition.wait(lock, timeout))
+      continue;
+
+    if (m_p->m_timer.IsTimePast())
+    {
+      CLog::Log(LOGDEBUG, "CDVDMsgGeneralSynchronize - global timeout");
+      return true;  // global timeout, we are done
+    }
+    if (timer.IsTimePast())
+    {
+      return false; /* request timeout, should be retried */
+    }
+  }
+  return true;
+}
+
+void CDVDMsgGeneralSynchronize::Wait(std::atomic<bool>& abort, unsigned int source)
+{
+  while (!Wait(100ms, source) && !abort)
+    ;
+}
+
+/**
+ * CDVDMsgDemuxerPacket --- DEMUXER_PACKET
+ */
+CDVDMsgDemuxerPacket::CDVDMsgDemuxerPacket(DemuxPacket* packet, bool drop) : CDVDMsg(DEMUXER_PACKET)
+{
+  m_packet = packet;
+  m_drop   = drop;
+}
+
+CDVDMsgDemuxerPacket::~CDVDMsgDemuxerPacket()
+{
+  if (m_packet)
+    CDVDDemuxUtils::FreeDemuxPacket(m_packet);
+}
+
+unsigned int CDVDMsgDemuxerPacket::GetPacketSize()
+{
+  if (m_packet)
+    return m_packet->iSize;
+  else
+    return 0;
+}
-- 
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