import "unknwn.idl";
import "mmstream.idl";

// hack
cpp_quote("#if 0")
typedef struct tWAVEFORMATEX WAVEFORMATEX;
cpp_quote ("#endif")

interface IAudioMediaStream;
interface IAudioStreamSample;
interface IMemoryData;
interface IAudioData;

[
object,
local,
uuid(f7537560-a3be-11d0-8212-00c04fc32c45),
pointer_default(unique)
]

interface IAudioMediaStream : IMediaStream
{
    HRESULT GetFormat([out]  WAVEFORMATEX *pWaveFormatCurrent);
    HRESULT SetFormat([in] const WAVEFORMATEX *lpWaveFormat);
    HRESULT CreateSample([in] IAudioData *pAudioData, [in] DWORD dwFlags, [out] IAudioStreamSample **ppSample);
}

[
object,
local,
uuid(54c719c0-af60-11d0-8212-00c04fc32c45),
pointer_default(unique)
]

interface IAudioData : IMemoryData
{
    HRESULT GetFormat([out]  WAVEFORMATEX *pWaveFormatCurrent);
    HRESULT SetFormat([in] const WAVEFORMATEX *lpWaveFormat);
}

[
object,
local,
uuid(327fc560-af60-11d0-8212-00c04fc32c45),
pointer_default(unique)
]
interface IMemoryData : IUnknown
{
    HRESULT SetBuffer([in] DWORD cbSize, [in] BYTE *pbData, [in] DWORD dwFlags);
    HRESULT GetInfo([out] DWORD *pdwLength, [out] BYTE **ppbData, [out] DWORD *pcbActualData);
    HRESULT SetActual([in] DWORD cbDataValid);
}

[
object,
local,
uuid(345fee00-aba5-11d0-8212-00c04fc32c45),
pointer_default(unique)
]
interface IAudioStreamSample : IStreamSample
{
    HRESULT GetAudioData([out] IAudioData **ppAudio);
}