/*
 * Copyright 2019 Jactry Zeng for CodeWeavers
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

import "mfidl.idl";

cpp_quote("EXTERN_GUID(CLSID_MFMediaEngineClassFactory, 0xb44392da, 0x499b, 0x446b, 0xa4, 0xcb, 0x00, 0x5f, 0xea, 0xd0, 0xe6, 0xd5);")

typedef enum MF_MEDIA_ENGINE_ERR
{
    MF_MEDIA_ENGINE_ERR_NOERROR,
    MF_MEDIA_ENGINE_ERR_ABORTED,
    MF_MEDIA_ENGINE_ERR_NETWORK,
    MF_MEDIA_ENGINE_ERR_DECODE,
    MF_MEDIA_ENGINE_ERR_SRC_NOT_SUPPORTED,
    MF_MEDIA_ENGINE_ERR_ENCRYPTED
} MF_MEDIA_ENGINE_ERR;

typedef enum MF_MEDIA_ENGINE_PRELOAD
{
    MF_MEDIA_ENGINE_PRELOAD_MISSING,
    MF_MEDIA_ENGINE_PRELOAD_EMPTY,
    MF_MEDIA_ENGINE_PRELOAD_NONE,
    MF_MEDIA_ENGINE_PRELOAD_METADATA,
    MF_MEDIA_ENGINE_PRELOAD_AUTOMATIC
} MF_MEDIA_ENGINE_PRELOAD;

typedef enum MF_MEDIA_ENGINE_CANPLAY
{
    MF_MEDIA_ENGINE_CANPLAY_NOT_SUPPORTED,
    MF_MEDIA_ENGINE_CANPLAY_MAYBE,
    MF_MEDIA_ENGINE_CANPLAY_PROBABLY,
} MF_MEDIA_ENGINE_CANPLAY;

typedef struct MFVideoNormalizedRect
{
    float left;
    float top;
    float right;
    float bottom;
} MFVideoNormalizedRect;

[
    object,
    uuid(fc0e10d2-ab2a-4501-a951-06bb1075184c),
    local,
    pointer_default(unique)
]
interface IMFMediaError : IUnknown
{
    USHORT GetErrorCode();
    HRESULT GetExtendedErrorCode();
    HRESULT SetErrorCode([in] MF_MEDIA_ENGINE_ERR error);
    HRESULT SetExtendedErrorCode([in] HRESULT error);
}

[
    object,
    uuid(7a5e5354-b114-4c72-b991-3131d75032ea),
    local,
    pointer_default(unique)
]
interface IMFMediaEngineSrcElements : IUnknown
{
    DWORD GetLength();
    HRESULT GetURL([in] DWORD index, [out] BSTR *url);
    HRESULT GetType([in] DWORD index, [out] BSTR *type);
    HRESULT GetMedia([in] DWORD index, [out] BSTR *media);
    HRESULT AddElement([in] BSTR url, [in] BSTR type, [in] BSTR media);
    HRESULT RemoveAllElements();
}

[
    object,
    uuid(db71a2fc-078a-414e-9df9-8c2531b0aa6c),
    local,
    pointer_default(unique)
]
interface IMFMediaTimeRange : IUnknown
{
    DWORD GetLength();
    HRESULT GetStart([in] DWORD index, [out] double *start);
    HRESULT GetEnd([in] DWORD index, [out] double *end);
    BOOL ContainsTime([in] double time);
    HRESULT AddRange([in] double start, [in] double end);
    HRESULT Clear();
}

[
    object,
    uuid(98a1b0bb-03eb-4935-ae7c-93c1fa0e1c93),
    local,
    pointer_default(unique)
]
interface IMFMediaEngine : IUnknown
{
    HRESULT GetError([out] IMFMediaError **error);
    HRESULT SetErrorCode([in] MF_MEDIA_ENGINE_ERR error);
    HRESULT SetSourceElements([in] IMFMediaEngineSrcElements *elements);
    HRESULT SetSource([in] BSTR url);
    HRESULT GetCurrentSource([out] BSTR *url);
    USHORT GetNetworkState();
    MF_MEDIA_ENGINE_PRELOAD GetPreload();
    HRESULT SetPreload([in] MF_MEDIA_ENGINE_PRELOAD preload);
    HRESULT GetBuffered([out] IMFMediaTimeRange **buffered);
    HRESULT Load();
    HRESULT CanPlayType([in] BSTR type, [out] MF_MEDIA_ENGINE_CANPLAY *answer);
    USHORT GetReadyState();
    BOOL IsSeeking();
    cpp_quote("#undef GetCurrentTime")
    double GetCurrentTime();
    HRESULT SetCurrentTime([in] double time);
    double GetStartTime();
    double GetDuration();
    BOOL IsPaused();
    double GetDefaultPlaybackRate();
    HRESULT SetDefaultPlaybackRate([in] double rate);
    double GetPlaybackRate();
    HRESULT SetPlaybackRate([in] double rate);
    HRESULT GetPlayed([out] IMFMediaTimeRange **played);
    HRESULT GetSeekable([out] IMFMediaTimeRange **seekable);
    BOOL IsEnded();
    BOOL GetAutoPlay();
    HRESULT SetAutoPlay([in] BOOL autoplay);
    BOOL GetLoop();
    HRESULT SetLoop([in] BOOL loop);
    HRESULT Play();
    HRESULT Pause();
    BOOL GetMuted();
    HRESULT SetMuted([in] BOOL muted);
    double GetVolume();
    HRESULT SetVolume([in] double volume);
    BOOL HasVideo();
    BOOL HasAudio();
    HRESULT GetNativeVideoSize([out] DWORD *cx, [out] DWORD *cy);
    HRESULT GetVideoAspectRatio([out] DWORD *cx, [out] DWORD *cy);
    HRESULT Shutdown();
    HRESULT TransferVideoFrame([in] IUnknown *surface, [in] const MFVideoNormalizedRect *src,
                               [in] const RECT *dst, [in] const MFARGB *color);
    HRESULT OnVideoStreamTick([out] LONGLONG *time);
}

[
    object,
    uuid(4d645ace-26aa-4688-9be1-df3516990b93),
    local,
    pointer_default(unique)
]
interface IMFMediaEngineClassFactory : IUnknown
{
    HRESULT CreateInstance([in] DWORD flags, [in] IMFAttributes *attributes, [out] IMFMediaEngine **engine);
    HRESULT CreateTimeRange([out] IMFMediaTimeRange **range);
    HRESULT CreateError([out] IMFMediaError **error);
}