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authorFire-Head <Fire-Head@users.noreply.github.com>2019-06-02 05:00:38 +0200
committerFire-Head <Fire-Head@users.noreply.github.com>2019-06-02 05:00:38 +0200
commitb1f9e28cd155459ab2843690c248ed9f4767bc3f (patch)
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diff --git a/dxsdk/Include/DShowIDL/mediaobj.idl b/dxsdk/Include/DShowIDL/mediaobj.idl
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+//------------------------------------------------------------------------------
+// File: MediaObj.idl
+//
+// Desc: Define the interfaces for DirectX Media Objects. This file will be
+// processed by the MIDL tool to produce mediaobj.h and proxy-stub code.
+//
+// Copyright (c) 1999 - 2002, Microsoft Corporation. All rights reserved.
+//------------------------------------------------------------------------------
+
+
+import "unknwn.idl";
+import "objidl.idl";
+
+// DMO_MEDIA_TYPE structure
+
+cpp_quote("#ifdef __strmif_h__")
+cpp_quote("typedef AM_MEDIA_TYPE DMO_MEDIA_TYPE;")
+cpp_quote("#else")
+typedef struct _DMOMediaType {
+ GUID majortype;
+ GUID subtype;
+ BOOL bFixedSizeSamples;
+ BOOL bTemporalCompression;
+ ULONG lSampleSize;
+ GUID formattype;
+ IUnknown *pUnk;
+ ULONG cbFormat;
+ [size_is(cbFormat)] BYTE * pbFormat;
+} DMO_MEDIA_TYPE;
+typedef LONGLONG REFERENCE_TIME;
+cpp_quote("#endif")
+
+
+// Per-buffer flags that apply to input buffers
+enum _DMO_INPUT_DATA_BUFFER_FLAGS {
+ DMO_INPUT_DATA_BUFFERF_SYNCPOINT = 0x00000001,
+ DMO_INPUT_DATA_BUFFERF_TIME = 0x00000002,
+ DMO_INPUT_DATA_BUFFERF_TIMELENGTH = 0x00000004
+};
+
+// Per-buffer flags that apply to output buffers.
+enum _DMO_OUTPUT_DATA_BUFFER_FLAGS {
+ DMO_OUTPUT_DATA_BUFFERF_SYNCPOINT = 0x00000001,
+ DMO_OUTPUT_DATA_BUFFERF_TIME = 0x00000002,
+ DMO_OUTPUT_DATA_BUFFERF_TIMELENGTH = 0x00000004,
+
+ //
+ // This flag means the object could have generated more data for this
+ // output stream, even with no additional input from any input stream,
+ // but the output buffer did not have sufficient room.
+ //
+ DMO_OUTPUT_DATA_BUFFERF_INCOMPLETE = 0x01000000
+};
+
+// Flags returned by GetInputStatus()
+enum _DMO_INPUT_STATUS_FLAGS {
+ //
+ // ACCEPT_DATA indicates that the input stream is ready to accept
+ // new data via ProcessInput().
+ //
+ DMO_INPUT_STATUSF_ACCEPT_DATA = 0x00000001
+};
+
+// Flags returned by GetInputStreamInfo()
+enum _DMO_INPUT_STREAM_INFO_FLAGS {
+ DMO_INPUT_STREAMF_WHOLE_SAMPLES = 0x00000001,
+ DMO_INPUT_STREAMF_SINGLE_SAMPLE_PER_BUFFER = 0x00000002,
+ DMO_INPUT_STREAMF_FIXED_SAMPLE_SIZE = 0x00000004,
+ DMO_INPUT_STREAMF_HOLDS_BUFFERS = 0x00000008
+};
+
+// Flags returned by GetOutputStreamInfo()
+enum _DMO_OUTPUT_STREAM_INFO_FLAGS {
+ DMO_OUTPUT_STREAMF_WHOLE_SAMPLES = 0x00000001,
+ DMO_OUTPUT_STREAMF_SINGLE_SAMPLE_PER_BUFFER = 0x00000002,
+ DMO_OUTPUT_STREAMF_FIXED_SAMPLE_SIZE = 0x00000004,
+ DMO_OUTPUT_STREAMF_DISCARDABLE = 0x00000008,
+ DMO_OUTPUT_STREAMF_OPTIONAL = 0x00000010
+};
+
+// SetType flags
+enum _DMO_SET_TYPE_FLAGS {
+ DMO_SET_TYPEF_TEST_ONLY = 0x00000001,// check but don't set
+ DMO_SET_TYPEF_CLEAR = 0x00000002 // unset
+};
+
+// Process Output Flags
+enum _DMO_PROCESS_OUTPUT_FLAGS {
+ DMO_PROCESS_OUTPUT_DISCARD_WHEN_NO_BUFFER = 0x00000001 // Discard
+};
+
+// Buffer wrapper interface
+[
+ object,
+ uuid(59eff8b9-938c-4a26-82f2-95cb84cdc837)
+]
+interface IMediaBuffer : IUnknown
+{
+ HRESULT SetLength(
+ DWORD cbLength
+ );
+ HRESULT GetMaxLength(
+ [out] DWORD *pcbMaxLength
+ );
+ HRESULT GetBufferAndLength(
+ [out] BYTE **ppBuffer, // not filled if NULL
+ [out] DWORD *pcbLength // not filled if NULL
+ );
+}
+
+//
+// Output buffer info structure: one of these must be passed in for each
+// output stream with every ProcessOutput() call
+// All [out] fields should be
+// assumed undefined if ProcessOutput() failed
+//
+typedef struct _DMO_OUTPUT_DATA_BUFFER {
+
+ IMediaBuffer *pBuffer; // [in] can be NULL
+
+ // ProcessOutput() must set any appropriate flags and zero out the rest.
+ DWORD dwStatus; // [out] DMO_OUTPUT_DATA_BUFFERF_XXX (INCOMPLETE, etc.)
+
+ //
+ // Each of these is valid if the corresponding flag is set in dwStatus
+ //
+ REFERENCE_TIME rtTimestamp; // [out]
+ REFERENCE_TIME rtTimelength; // [out]
+} DMO_OUTPUT_DATA_BUFFER, *PDMO_OUTPUT_DATA_BUFFER;
+
+
+// Interface supported by media objects
+[
+ object,
+ uuid(d8ad0f58-5494-4102-97c5-ec798e59bcf4)
+]
+interface IMediaObject : IUnknown
+{
+
+//
+// Stream enumeration
+//
+ HRESULT GetStreamCount(
+ [out] DWORD *pcInputStreams,
+ [out] DWORD *pcOutputStreams
+ );
+ HRESULT GetInputStreamInfo(
+ DWORD dwInputStreamIndex, // 0-based
+ [out] DWORD *pdwFlags // HOLDS_BUFFERS
+ );
+ HRESULT GetOutputStreamInfo(
+ DWORD dwOutputStreamIndex, // 0-based
+ [out] DWORD *pdwFlags // Media object sets to 0
+ );
+
+//
+// Mediatypes
+//
+ //
+ // GetType - iterate through media types supported by a stream.
+ // Returns S_FALSE if the type index is out of range ("no more types").
+ //
+ HRESULT GetInputType(
+ DWORD dwInputStreamIndex,
+ DWORD dwTypeIndex, // 0-based
+ [out] DMO_MEDIA_TYPE *pmt
+ );
+ HRESULT GetOutputType(
+ DWORD dwOutputStreamIndex,
+ DWORD dwTypeIndex, // 0-based
+ [out] DMO_MEDIA_TYPE *pmt
+ );
+
+ //
+ // SetType - tell the object the type of data it will work with.
+ //
+ HRESULT SetInputType(
+ DWORD dwInputStreamIndex,
+ [in] const DMO_MEDIA_TYPE *pmt,
+ DWORD dwFlags // test only
+ );
+ HRESULT SetOutputType(
+ DWORD dwOutputStreamIndex,
+ [in] const DMO_MEDIA_TYPE *pmt,
+ DWORD dwFlags // test only
+ );
+
+ //
+ // GetCurrentType - get the last mediatype supplied via SetType.
+ // Returns S_FALSE if SetType has not been called.
+ //
+ HRESULT GetInputCurrentType(
+ DWORD dwInputStreamIndex,
+ [out] DMO_MEDIA_TYPE *pmt
+ );
+ HRESULT GetOutputCurrentType(
+ DWORD dwOutputStreamIndex,
+ [out] DMO_MEDIA_TYPE *pmt
+ );
+
+//
+// SizeInfo
+//
+ //
+ // GetSizeInfo - Get buffer size requirementes of a stream.
+ //
+ // If buffer size depends on the media type used, the object should
+ // base its response on the most recent media type set for this stream.
+ // If no mediatype has been set, the object may return an error.
+ //
+ HRESULT GetInputSizeInfo(
+ DWORD dwInputStreamIndex,
+ [out] DWORD *pcbSize, // size of input 'quantum'
+ [out] DWORD *pcbMaxLookahead, // max total bytes held
+ [out] DWORD *pcbAlignment // buffer alignment requirement
+ );
+ HRESULT GetOutputSizeInfo(
+ DWORD dwOutputStreamIndex,
+ [out] DWORD *pcbSize, // size of output 'quantum'
+ [out] DWORD *pcbAlignment // buffer alignment requirement
+ );
+
+//
+// Latency methods
+//
+ HRESULT GetInputMaxLatency(
+ DWORD dwInputStreamIndex,
+ [out] REFERENCE_TIME *prtMaxLatency
+ );
+ HRESULT SetInputMaxLatency(
+ DWORD dwInputStreamIndex,
+ REFERENCE_TIME rtMaxLatency
+ );
+
+//
+// Streaming / state methods
+//
+ //
+ // Flush() - discard any buffered data.
+ //
+ HRESULT Flush();
+
+ //
+ // Send a discontinuity to an input stream. The object will not
+ // accept any more data on this input stream until the discontinuity
+ // has been completely processed, which may involve multiple
+ // ProcessOutput() calls.
+ //
+ HRESULT Discontinuity(DWORD dwInputStreamIndex);
+
+ //
+ // If a streaming object needs to perform any time consuming
+ // initialization before it can stream data, it should do it inside
+ // AllocateStreamingResources() rather than during the first process
+ // call.
+ //
+ // This method is NOT guaranteed to be called before streaming
+ // starts. If it is not called, the object should perform any
+ // required initialization during a process call.
+ //
+ HRESULT AllocateStreamingResources();
+
+ // Free anything allocated in AllocateStreamingResources().
+ HRESULT FreeStreamingResources();
+
+ // GetInputStatus - the only flag defined right now is ACCEPT_DATA.
+ HRESULT GetInputStatus(
+ DWORD dwInputStreamIndex,
+ [out] DWORD *dwFlags // ACCEPT_DATA
+ );
+
+ //
+ // Pass one new buffer to an input stream
+ //
+ HRESULT ProcessInput(
+ DWORD dwInputStreamIndex,
+ IMediaBuffer *pBuffer, // must not be NULL
+ DWORD dwFlags, // DMO_INPUT_DATA_BUFFERF_XXX (syncpoint, etc.)
+ REFERENCE_TIME rtTimestamp, // valid if flag set
+ REFERENCE_TIME rtTimelength // valid if flag set
+ );
+
+ //
+ // ProcessOutput() - generate output for current input buffers
+ //
+ // Output stream specific status information is returned in the
+ // dwStatus member of each buffer wrapper structure.
+ //
+ HRESULT ProcessOutput(
+ DWORD dwFlags, // DMO_PROCESS_OUTPUT_FLAGS
+ DWORD cOutputBufferCount, // # returned by GetStreamCount()
+ [in,out,size_is(cOutputBufferCount)]
+ DMO_OUTPUT_DATA_BUFFER *pOutputBuffers, // one per stream
+ [out] DWORD *pdwStatus // TBD, must be set to 0
+ );
+
+ // Locking - lock if bLock is TRUE, otherwise unlock
+ HRESULT Lock(LONG bLock);
+};
+
+
+//
+// Interface returned by the DMO enumeration API
+//
+[
+object,
+uuid(2c3cd98a-2bfa-4a53-9c27-5249ba64ba0f)
+]
+interface IEnumDMO : IUnknown {
+ HRESULT Next(
+ DWORD cItemsToFetch,
+ [out, size_is(cItemsToFetch), length_is(*pcItemsFetched)] CLSID *pCLSID,
+ [out, size_is(cItemsToFetch), length_is(*pcItemsFetched), string] WCHAR **Names,
+ [out] DWORD *pcItemsFetched
+ );
+ HRESULT Skip(
+ DWORD cItemsToSkip
+ );
+ HRESULT Reset(void);
+ HRESULT Clone(
+ [out] IEnumDMO **ppEnum
+ );
+}
+
+
+// Flags for IMediaObjectInPlace::Process
+enum _DMO_INPLACE_PROCESS_FLAGS {
+ DMO_INPLACE_NORMAL = 0x00000000,
+ DMO_INPLACE_ZERO = 0x00000001
+};
+
+[
+object,
+uuid(651b9ad0-0fc7-4aa9-9538-d89931010741)
+]
+interface IMediaObjectInPlace : IUnknown {
+
+ // Proces - Given a buffer of size ulSize, put the output
+ // of the DMO into the same buffer.
+ HRESULT Process(
+ [in] ULONG ulSize,
+ [in,out,size_is(ulSize)] BYTE* pData,
+ [in] REFERENCE_TIME refTimeStart,
+ [in] DWORD dwFlags
+ );
+
+ // Create a copy of the In-Place Media Object. This allows
+ // for very fast initialization of a number of In-Place objects
+ // in a known state.
+ HRESULT Clone(
+ [out] IMediaObjectInPlace **ppMediaObject
+ );
+
+ // GetLatency - Returns a REFERENCE_TIME value
+ // (1 tick = 100ns) which corresponds to the latency time
+ // processing this effect will add to the graph. This assumes
+ // the effect cost per buffer is a constant.
+ HRESULT GetLatency(
+ [out] REFERENCE_TIME *pLatencyTime
+ );
+}
+
+// Quality control status flags
+enum _DMO_QUALITY_STATUS_FLAGS {
+ DMO_QUALITY_STATUS_ENABLED = 0x00000001
+};
+
+[
+object,
+uuid(65abea96-cf36-453f-af8a-705e98f16260)
+]
+interface IDMOQualityControl : IUnknown {
+ HRESULT SetNow(
+ [in] REFERENCE_TIME rtNow
+ );
+ HRESULT SetStatus(
+ [in] DWORD dwFlags
+ );
+ HRESULT GetStatus(
+ [out] DWORD *pdwFlags
+ );
+}
+
+// Flags for IVideoOutputOptimizations
+enum _DMO_VIDEO_OUTPUT_STREAM_FLAGS {
+ DMO_VOSF_NEEDS_PREVIOUS_SAMPLE = 0x00000001
+};
+
+[
+object,
+uuid(be8f4f4e-5b16-4d29-b350-7f6b5d9298ac)
+]
+interface IDMOVideoOutputOptimizations : IUnknown {
+ HRESULT QueryOperationModePreferences (
+ ULONG ulOutputStreamIndex,
+ DWORD *pdwRequestedCapabilities
+ );
+ HRESULT SetOperationMode (
+ ULONG ulOutputStreamIndex,
+ DWORD dwEnabledFeatures
+ );
+ HRESULT GetCurrentOperationMode (
+ ULONG ulOutputStreamIndex,
+ DWORD *pdwEnabledFeatures
+ );
+ HRESULT GetCurrentSampleRequirements (
+ ULONG ulOutputStreamIndex,
+ DWORD *pdwRequestedFeatures
+ );
+}
+