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/*
* Copyright 2022 Zhiyi Zhang 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 "strmif.idl";
typedef float MP_DATA;
typedef DWORD MP_CAPS;
typedef DWORD MP_FLAGS;
typedef DWORD MP_TIMEDATA;
typedef enum _MP_Type
{
MPT_INT,
MPT_FLOAT,
MPT_BOOL,
MPT_ENUM,
MPT_MAX,
} MP_TYPE;
typedef struct _MP_PARAMINFO
{
MP_TYPE mpType;
MP_CAPS mopCaps;
MP_DATA mpdMinValue;
MP_DATA mpdMaxValue;
MP_DATA mpdNeutralValue;
WCHAR szUnitText[32];
WCHAR szLabel[32];
} MP_PARAMINFO;
typedef enum _MP_CURVE_TYPE {
MP_CURVE_JUMP = 0x0001,
MP_CURVE_LINEAR = 0x0002,
MP_CURVE_SQUARE = 0x0004,
MP_CURVE_INVSQUARE = 0x0008,
MP_CURVE_SINE = 0x0010,
} MP_CURVE_TYPE;
const MP_FLAGS MPF_ENVLP_STANDARD = 0x0000;
const MP_FLAGS MPF_ENVLP_BEGIN_CURRENTVAL = 0x0001;
const MP_FLAGS MPF_ENVLP_BEGIN_NEUTRALVAL = 0x0002;
typedef struct _MP_ENVELOPE_SEGMENT
{
REFERENCE_TIME rtStart;
REFERENCE_TIME rtEnd;
MP_DATA valStart;
MP_DATA valEnd;
MP_CURVE_TYPE iCurve;
MP_FLAGS flags;
} MP_ENVELOPE_SEGMENT;
[
object,
uuid(6D6CBB60-A223-44AA-842F-A2F06750BE6D),
version(1.0)
]
interface IMediaParamInfo : IUnknown
{
HRESULT GetParamCount([out] DWORD *count);
HRESULT GetParamInfo([in] DWORD index, [out] MP_PARAMINFO *info);
HRESULT GetParamText([in] DWORD index, [out] WCHAR **text);
HRESULT GetNumTimeFormats([out] DWORD *count);
HRESULT GetSupportedTimeFormat([in] DWORD index, [out] GUID *guid);
HRESULT GetCurrentTimeFormat([out] GUID *guid, [out] MP_TIMEDATA *time_data);
}
[
object,
uuid(6d6cbb61-a223-44aa-842f-a2f06750be6e),
version(1.0)
]
interface IMediaParams : IUnknown
{
HRESULT GetParam([in] DWORD index, [out] MP_DATA *data);
HRESULT SetParam([in] DWORD index, [in] MP_DATA data);
HRESULT AddEnvelope([in] DWORD index, [in] DWORD count, [in] MP_ENVELOPE_SEGMENT *segments);
HRESULT FlushEnvelope([in] DWORD index, [in] REFERENCE_TIME start, [in] REFERENCE_TIME end);
HRESULT SetTimeFormat([in] GUID guid, [in] MP_TIMEDATA time_data);
}
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