Windows EVR: fix EndOfStream event never being sent.

This was causing QMediaPlayer to never go into the EndOfMedia state.

Task-number: QTBUG-50814
Change-Id: I8920cf93db37a834f67b9e0b4abcf5a4934dfe0e
Reviewed-by: Christian Stromme <christian.stromme@theqtcompany.com>

2 files changed, 9 insertions, 23 deletions

diff --git a/src/plugins/common/evr/evrcustompresenter.cpp b/src/plugins/common/evr/evrcustompresenter.cpp
index 73d032aa6..3afd2342f 100644
--- a/src/plugins/common/evr/evrcustompresenter.cpp
+++ b/src/plugins/common/evr/evrcustompresenter.cpp
@@ -248,6 +248,12 @@ HRESULT Scheduler::flush()
     return S_OK;
 }
 
+bool Scheduler::areSamplesScheduled()
+{
+    QMutexLocker locker(&m_mutex);
+    return m_scheduledSamples.count() > 0;
+}
+
 HRESULT Scheduler::scheduleSample(IMFSample *sample, bool presentNow)
 {
     if (!m_schedulerThread)
@@ -441,7 +447,6 @@ DWORD Scheduler::schedulerThreadProcPrivate()
 
 SamplePool::SamplePool()
     : m_initialized(false)
-    , m_pending(0)
 {
 }
 
@@ -468,8 +473,6 @@ HRESULT SamplePool::getSample(IMFSample **sample)
 
     IMFSample *taken = m_videoSampleQueue.takeFirst();
 
-    m_pending++;
-
     // Give the sample to the caller.
     *sample = taken;
     (*sample)->AddRef();
@@ -489,25 +492,9 @@ HRESULT SamplePool::returnSample(IMFSample *sample)
     m_videoSampleQueue.append(sample);
     sample->AddRef();
 
-    m_pending--;
-
     return S_OK;
 }
 
-BOOL SamplePool::areSamplesPending()
-{
-    QMutexLocker locker(&m_mutex);
-
-    bool ret = false;
-
-    if (!m_initialized)
-        ret = false;
-    else
-        ret = (m_pending > 0);
-
-    return ret;
-}
-
 HRESULT SamplePool::initialize(QList<IMFSample*> &samples)
 {
     QMutexLocker locker(&m_mutex);
@@ -540,7 +527,6 @@ HRESULT SamplePool::clear()
         m_videoSampleQueue[i]->Release();
     m_videoSampleQueue.clear();
     m_initialized = false;
-    m_pending = 0;
 
     return S_OK;
 }
@@ -1214,7 +1200,7 @@ HRESULT EVRCustomPresenter::checkEndOfStream()
         return S_OK;
     }
 
-    if (m_samplePool.areSamplesPending()) {
+    if (m_scheduler.areSamplesScheduled()) {
         // Samples are still scheduled for rendering.
         return S_OK;
     }
diff --git a/src/plugins/common/evr/evrcustompresenter.h b/src/plugins/common/evr/evrcustompresenter.h
index e25780140..0e62c747c 100644
--- a/src/plugins/common/evr/evrcustompresenter.h
+++ b/src/plugins/common/evr/evrcustompresenter.h
@@ -131,6 +131,8 @@ public:
     HRESULT processSample(IMFSample *sample, LONG *nextSleep);
     HRESULT flush();
 
+    bool areSamplesScheduled();
+
     // ThreadProc for the scheduler thread.
     static DWORD WINAPI schedulerThreadProc(LPVOID parameter);
 
@@ -167,13 +169,11 @@ public:
 
     HRESULT getSample(IMFSample **sample);
     HRESULT returnSample(IMFSample *sample);
-    BOOL areSamplesPending();
 
 private:
     QMutex m_mutex;
     QList<IMFSample*> m_videoSampleQueue;
     bool m_initialized;
-    DWORD m_pending;
 };
 
 class EVRCustomPresenter