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-rw-r--r--general/SimpleMediaSource/MediaSource/SimpleMediaSource.h169
1 files changed, 104 insertions, 65 deletions
diff --git a/general/SimpleMediaSource/MediaSource/SimpleMediaSource.h b/general/SimpleMediaSource/MediaSource/SimpleMediaSource.h
index 019926c8..10ac200b 100644
--- a/general/SimpleMediaSource/MediaSource/SimpleMediaSource.h
+++ b/general/SimpleMediaSource/MediaSource/SimpleMediaSource.h
@@ -1,81 +1,120 @@
+//
+// Copyright (C) Microsoft Corporation. All rights reserved.
+//
#pragma once
+#ifndef SIMPLEMEDIASOURCE_H
+#define SIMPLEMEDIASOURCE_H
-// Represents a simple media source that only has one stream and outputs a static image
+// Example Custom Property implemented by SimpleMediaSource
+//
+// {0CE2EF73-4800-4F53-9B8E-8C06790FC0C7}
+static const GUID PROPSETID_SIMPLEMEDIASOURCE_CUSTOMCONTROL =
+{ 0xce2ef73, 0x4800, 0x4f53, { 0x9b, 0x8e, 0x8c, 0x6, 0x79, 0xf, 0xc0, 0xc7 } };
-#include "stdafx.h"
+enum
+{
+ KSPROPERTY_SIMPLEMEDIASOURCE_CUSTOMCONTROL_COLORMODE = 0,
+ KSPROPERTY_SIMPLEMEDIASOURCE_CUSTOMCONTROL_END // all ids must define before this.
+};
-class SimpleMediaStream;
+#define KSPROPERTY_SIMPLEMEDIASOURCE_CUSTOMCONTROL_COLORMODE_GRAYSCALE 0x00FFFFFFL
+#define KSPROPERTY_SIMPLEMEDIASOURCE_CUSTOMCONTROL_COLORMODE_RED 0x00FF0000L
+#define KSPROPERTY_SIMPLEMEDIASOURCE_CUSTOMCONTROL_COLORMODE_GREEN 0x0000FF00L
+#define KSPROPERTY_SIMPLEMEDIASOURCE_CUSTOMCONTROL_COLORMODE_BLUE 0x000000FFL
-class __declspec(uuid("{9812588D-5CE9-4E4C-ABC1-049138D10DCE}"))
-SimpleMediaSource : public RuntimeClass<
- RuntimeClassFlags<WinRtClassicComMix>,
- IMFMediaEventGenerator,
- IMFMediaSource,
- IMFMediaSourceEx,
- IMFGetService,
- IKsControl>
-{
+typedef struct {
+ ULONG StremID;
+ ULONG ColorMode;
+} KSPROPERTY_SIMPLEMEDIASOURCE_CUSTOMCONTROL_COLORMODE_S, * PKSPROPERTY_SIMPLEMEDIASOURCE_CUSTOMCONTROL_COLORMODE_S;
- enum class SourceState
+namespace winrt::WindowsSample::implementation
+{
+ // forward declaration
+ struct SimpleMediaStream;
+
+ struct SimpleMediaSource : winrt::implements<SimpleMediaSource, IMFMediaSourceEx, IMFGetService, IKsControl, IMFSampleAllocatorControl>
{
- Invalid, Stopped, Started, Shutdown
- };
+ SimpleMediaSource() = default;
-public:
- // IMFMediaEventGenerator
- IFACEMETHOD(BeginGetEvent)(_In_ IMFAsyncCallback *pCallback, _In_ IUnknown *punkState);
- IFACEMETHOD(EndGetEvent)(_In_ IMFAsyncResult *pResult, _Out_ IMFMediaEvent **ppEvent);
- IFACEMETHOD(GetEvent)(DWORD dwFlags, _Out_ IMFMediaEvent **ppEvent);
- IFACEMETHOD(QueueEvent)(MediaEventType met, REFGUID guidExtendedType, HRESULT hrStatus, _In_ const PROPVARIANT *pvValue);
+ private:
+ enum class SourceState
+ {
+ Invalid, Stopped, Started, Shutdown
+ };
- // IMFMediaSource
- IFACEMETHOD(CreatePresentationDescriptor)(_Out_ IMFPresentationDescriptor **ppPresentationDescriptor);
- IFACEMETHOD(GetCharacteristics)(_Out_ DWORD *pdwCharacteristics);
- IFACEMETHOD(Pause)();
- IFACEMETHOD(Shutdown)();
- IFACEMETHOD(Start)(_In_ IMFPresentationDescriptor *pPresentationDescriptor, _In_ const GUID *pguidTimeFormat, _In_ const PROPVARIANT *pvarStartPosition);
- IFACEMETHOD(Stop)();
+ public:
+ // IMFMediaEventGenerator (inherits by IMFMediaSource)
+ IFACEMETHODIMP BeginGetEvent(_In_ IMFAsyncCallback* pCallback, _In_ IUnknown* punkState) override;
+ IFACEMETHODIMP EndGetEvent(_In_ IMFAsyncResult* pResult, _Out_ IMFMediaEvent** ppEvent) override;
+ IFACEMETHODIMP GetEvent(DWORD dwFlags, _Out_ IMFMediaEvent** ppEvent) override;
+ IFACEMETHODIMP QueueEvent(MediaEventType met, REFGUID guidExtendedType, HRESULT hrStatus, _In_ const PROPVARIANT* pvValue) override;
- // IMFMediaSourceEx
- IFACEMETHOD(GetSourceAttributes)(_COM_Outptr_ IMFAttributes **ppAttributes);
- IFACEMETHOD(GetStreamAttributes)(DWORD dwStreamIdentifier, _COM_Outptr_ IMFAttributes **ppAttributes);
- IFACEMETHOD(SetD3DManager)(_In_opt_ IUnknown *pManager);
+ // IMFMediaSource (inherits by IMFMediaSourceEx)
+ IFACEMETHODIMP CreatePresentationDescriptor(_Out_ IMFPresentationDescriptor** ppPresentationDescriptor) override;
+ IFACEMETHODIMP GetCharacteristics(_Out_ DWORD* pdwCharacteristics) override;
+ IFACEMETHODIMP Pause() override;
+ IFACEMETHODIMP Shutdown() override;
+ IFACEMETHODIMP Start(_In_ IMFPresentationDescriptor* pPresentationDescriptor, _In_ const GUID* pguidTimeFormat, _In_ const PROPVARIANT* pvarStartPosition) override;
+ IFACEMETHODIMP Stop() override;
- // IMFGetService
- IFACEMETHOD(GetService)(_In_ REFGUID guidService, _In_ REFIID riid, _Out_ LPVOID *ppvObject);
+ // IMFMediaSourceEx
+ IFACEMETHODIMP GetSourceAttributes(_COM_Outptr_ IMFAttributes** ppAttributes) override;
+ IFACEMETHODIMP GetStreamAttributes(DWORD dwStreamIdentifier, _COM_Outptr_ IMFAttributes** ppAttributes) override;
+ IFACEMETHODIMP SetD3DManager(_In_opt_ IUnknown* pManager) override;
- // IKsControl
- IFACEMETHOD(KsProperty)(_In_reads_bytes_(ulPropertyLength) PKSPROPERTY pProperty,
- _In_ ULONG ulPropertyLength,
- _Inout_updates_to_(ulDataLength, *pBytesReturned) LPVOID pPropertyData,
- _In_ ULONG ulDataLength,
- _Out_ ULONG* pBytesReturned);
- IFACEMETHOD(KsMethod)(_In_reads_bytes_(ulMethodLength) PKSMETHOD pMethod,
- _In_ ULONG ulMethodLength,
- _Inout_updates_to_(ulDataLength, *pBytesReturned) LPVOID pMethodData,
- _In_ ULONG ulDataLength,
- _Out_ ULONG* pBytesReturned);
- IFACEMETHOD(KsEvent)(_In_reads_bytes_opt_(ulEventLength) PKSEVENT pEvent,
- _In_ ULONG ulEventLength,
- _Inout_updates_to_(ulDataLength, *pBytesReturned) LPVOID pEventData,
- _In_ ULONG ulDataLength,
- _Out_opt_ ULONG* pBytesReturned);
-public:
- HRESULT RuntimeClassInitialize();
+ // IMFGetService
+ IFACEMETHODIMP GetService(_In_ REFGUID guidService, _In_ REFIID riid, _Out_ LPVOID* ppvObject) override;
-private:
- HRESULT _CheckShutdownRequiresLock();
- HRESULT _ValidatePresentationDescriptor(_In_ IMFPresentationDescriptor *pPresentationDescriptor);
+ // IKsControl
+ IFACEMETHODIMP KsProperty(
+ _In_reads_bytes_(ulPropertyLength) PKSPROPERTY pProperty,
+ _In_ ULONG ulPropertyLength,
+ _Inout_updates_to_(ulDataLength, *pBytesReturned) LPVOID pPropertyData,
+ _In_ ULONG ulDataLength,
+ _Out_ ULONG* pBytesReturned) override;
+ IFACEMETHODIMP KsMethod(
+ _In_reads_bytes_(ulMethodLength) PKSMETHOD pMethod,
+ _In_ ULONG ulMethodLength,
+ _Inout_updates_to_(ulDataLength, *pBytesReturned) LPVOID pMethodData,
+ _In_ ULONG ulDataLength,
+ _Out_ ULONG* pBytesReturned) override;
+ IFACEMETHODIMP KsEvent(
+ _In_reads_bytes_opt_(ulEventLength) PKSEVENT pEvent,
+ _In_ ULONG ulEventLength,
+ _Inout_updates_to_(ulDataLength, *pBytesReturned) LPVOID pEventData,
+ _In_ ULONG ulDataLength,
+ _Out_opt_ ULONG* pBytesReturned) override;
- CriticalSection _critSec;
- SourceState _sourceState{ SourceState::Invalid };
- ComPtr<IMFMediaEventQueue> _spEventQueue;
- ComPtr<IMFPresentationDescriptor> _spPresentationDescriptor;
- ComPtr<IMFAttributes> _spAttributes;
+ // IMFSampleAllocatorControl
+ IFACEMETHODIMP SetDefaultAllocator(
+ _In_ DWORD dwOutputStreamID,
+ _In_ IUnknown* pAllocator) override;
- bool _wasStreamPreviouslySelected; // maybe makes more sense as a property of the stream
- const DWORD NUM_STREAMS = 1;
- ComPtr<SimpleMediaStream> _stream;
-};
+ IFACEMETHODIMP GetAllocatorUsage(
+ _In_ DWORD dwOutputStreamID,
+ _Out_ DWORD* pdwInputStreamID,
+ _Out_ MFSampleAllocatorUsage* peUsage) override;
+
+ // Non-Interface functions
+ HRESULT Initialize();
+
+ private:
+ HRESULT _CheckShutdownRequiresLock();
+ HRESULT _ValidatePresentationDescriptor(_In_ IMFPresentationDescriptor* pPresentationDescriptor);
+ HRESULT _CreateSourceAttributes();
+ HRESULT _GetStreamDescriptorByStreamId(_In_ DWORD dwStreamId, _Out_ DWORD* pdwStreamIdx, _Out_ bool* pSelected, _COM_Outptr_ IMFStreamDescriptor** ppStreamDescriptor);
+ HRESULT _GetMediaStreamById(_In_ DWORD dwStreamId, _COM_Outptr_ SimpleMediaStream** ppMediaStream);
+
+ winrt::slim_mutex m_Lock;
+ SourceState m_sourceState{ SourceState::Invalid };
+
+ wil::com_ptr_nothrow<IMFMediaEventQueue> m_spEventQueue;
+ wil::com_ptr_nothrow<IMFPresentationDescriptor> m_spPresentationDescriptor;
+ wil::com_ptr_nothrow<IMFAttributes> m_spAttributes;
+ wil::unique_cotaskmem_array_ptr<wil::com_ptr_nothrow<SimpleMediaStream>> m_streamList;
+
+ const DWORD NUM_STREAMS = 1;
+ };
+}
-CoCreatableClass(SimpleMediaSource);
+#endif
generated by cgit v1.3.1 (git 2.54.0) at 2026-08-17 16:31:52 +0000