1 files changed, 119 insertions, 0 deletions

diff --git a/dxsdk/Include/mpegtype.h b/dxsdk/Include/mpegtype.h
new file mode 100644
index 00000000..4e79fcb0
--- /dev/null
+++ b/dxsdk/Include/mpegtype.h
@@ -0,0 +1,119 @@
+//------------------------------------------------------------------------------
+// File: MPEGType.h
+//
+// Desc: MPEG system stream compound type definition
+//
+// Copyright (c) 1996-2001, Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------------------------
+
+
+#ifndef __MPEGTYPE__
+#define __MPEGTYPE__
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+//
+//  AM_MPEGSYSTEMTYPE defines the format block contents for
+//  data of type MEDIATYPE_MPEG1System when the format
+//  block GUID is FORMAT_MPEG1System
+//
+//  The format block consists of elements of type
+//  AM_MPEGSYSTEMTYPE up to the length of the format block
+//  Each format block is 8-byte aligned from the start of
+//  the format block
+//
+
+typedef struct tagAM_MPEGSTREAMTYPE
+{
+    DWORD             dwStreamId;     // Stream id of stream to process
+    DWORD             dwReserved;     // 8-byte alignment
+    AM_MEDIA_TYPE     mt;             // Type for substream - pbFormat is NULL
+    BYTE              bFormat[1];     // Format data
+} AM_MPEGSTREAMTYPE;
+
+typedef struct tagAM_MPEGSYSTEMTYPE
+{
+    DWORD             dwBitRate;      // Bits per second
+    DWORD             cStreams;       // Number of streams
+    AM_MPEGSTREAMTYPE Streams[1];
+} AM_MPEGSYSTEMTYPE;
+
+//
+//  Helper macros for AM_MPEGSTREAMTYPE
+//
+#define AM_MPEGSTREAMTYPE_ELEMENTLENGTH(pStreamType)  \
+    FIELD_OFFSET(AM_MPEGSTREAMTYPE, bFormat[(pStreamType)->mt.cbFormat])
+#define AM_MPEGSTREAMTYPE_NEXT(pStreamType)           \
+    ((AM_MPEGSTREAMTYPE *)((PBYTE)(pStreamType) +     \
+     ((AM_MPEGSTREAMTYPE_ELEMENTLENGTH(pStreamType) + 7) & ~7)))
+
+//
+// IMpegAudioDecoder
+//
+
+// Values for DualMode
+#define AM_MPEG_AUDIO_DUAL_MERGE 0
+#define AM_MPEG_AUDIO_DUAL_LEFT  1
+#define AM_MPEG_AUDIO_DUAL_RIGHT 2
+
+DECLARE_INTERFACE_(IMpegAudioDecoder, IUnknown) {
+
+    STDMETHOD(get_FrequencyDivider) (THIS_
+                           unsigned long *pDivider   /* [out] */
+                           ) PURE;
+
+    STDMETHOD(put_FrequencyDivider) (THIS_
+                           unsigned long Divider     /* [in] */
+                           ) PURE;
+
+    STDMETHOD(get_DecoderAccuracy) (THIS_
+                           unsigned long *pAccuracy  /* [out] */
+                           ) PURE;
+
+    STDMETHOD(put_DecoderAccuracy) (THIS_
+                           unsigned long Accuracy    /* [in] */
+                           ) PURE;
+
+    STDMETHOD(get_Stereo) (THIS_
+                           unsigned long *pStereo    /* [out] */
+                           ) PURE;
+
+    STDMETHOD(put_Stereo) (THIS_
+                           unsigned long Stereo      /* [in] */
+                           ) PURE;
+
+    STDMETHOD(get_DecoderWordSize) (THIS_
+                           unsigned long *pWordSize  /* [out] */
+                           ) PURE;
+
+    STDMETHOD(put_DecoderWordSize) (THIS_
+                           unsigned long WordSize    /* [in] */
+                           ) PURE;
+
+    STDMETHOD(get_IntegerDecode) (THIS_
+                           unsigned long *pIntDecode /* [out] */
+                           ) PURE;
+
+    STDMETHOD(put_IntegerDecode) (THIS_
+                           unsigned long IntDecode   /* [in] */
+                           ) PURE;
+
+    STDMETHOD(get_DualMode) (THIS_
+                           unsigned long *pIntDecode /* [out] */
+                           ) PURE;
+
+    STDMETHOD(put_DualMode) (THIS_
+                           unsigned long IntDecode   /* [in] */
+                           ) PURE;
+
+    STDMETHOD(get_AudioFormat) (THIS_
+                           MPEG1WAVEFORMAT *lpFmt    /* [out] */
+                           ) PURE;
+};
+
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+#endif // __MPEGTYPE__