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      1 /* This file is part of the KDE project
      2    Copyright (C) 2007 Shane King
      3 
      4    This program is free software; you can redistribute it and/or
      5    modify it under the terms of the GNU Library General Public
      6    License as published by the Free Software Foundation; either
      7    version 2 of the License, or (at your option) any later version.
      8 
      9    This program is distributed in the hope that it will be useful,
     10    but WITHOUT ANY WARRANTY; without even the implied warranty of
     11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12    Library General Public License for more details.
     13 
     14    You should have received a copy of the GNU Library General Public License
     15    along with this program; see the file COPYING.  If not, write to
     16    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17    Boston, MA 02110-1301, USA.
     18 */
     19 
     20 import "unknwn.idl";
     21 import "strmif.idl";
     22 
     23 typedef DWORD MP_TIMEDATA;
     24 typedef DWORD MP_CAPS;
     25 typedef DWORD MP_FLAGS;
     26 typedef float MP_DATA;
     27 
     28 typedef enum _MP_Type {
     29     MPT_INT,
     30     MPT_FLOAT,
     31     MPT_BOOL,
     32     MPT_ENUM,
     33     MPT_MAX,
     34 } MP_TYPE;
     35 
     36 typedef enum _MP_CURVE_TYPE {
     37     MP_CURVE_JUMP       = 0x0001,
     38     MP_CURVE_LINEAR     = 0x0002,
     39     MP_CURVE_SQUARE     = 0x0004,
     40     MP_CURVE_INVSQUARE  = 0x0008,
     41     MP_CURVE_SINE       = 0x0010,
     42 } MP_CURVE_TYPE;
     43 
     44 typedef struct _MP_PARAMINFO {
     45     MP_TYPE    mpType;
     46     MP_CAPS    mopCaps;
     47     MP_DATA    mpdMinValue;
     48     MP_DATA    mpdMaxValue;
     49     MP_DATA    mpdNeutralValue;
     50     WCHAR      szUnitText[32];
     51     WCHAR      szLabel[32];
     52 } MP_PARAMINFO;
     53 
     54 typedef struct _MP_ENVELOPE_SEGMENT {
     55     REFERENCE_TIME   rtStart;
     56     REFERENCE_TIME   rtEnd;
     57     MP_DATA          valStart;
     58     MP_DATA          valEnd;
     59     MP_CURVE_TYPE    iCurve;
     60     MP_FLAGS         flags;
     61 } MP_ENVELOPE_SEGMENT;
     62 
     63 const MP_CAPS MP_CAPS_CURVE_JUMP        = MP_CURVE_JUMP;
     64 const MP_CAPS MP_CAPS_CURVE_LINEAR      = MP_CURVE_LINEAR;
     65 const MP_CAPS MP_CAPS_CURVE_SQUARE      = MP_CURVE_SQUARE;
     66 const MP_CAPS MP_CAPS_CURVE_INVSQUARE   = MP_CURVE_INVSQUARE;
     67 const MP_CAPS MP_CAPS_CURVE_SINE        = MP_CURVE_SINE;
     68 
     69 [
     70     object,
     71     uuid(6d6cbb61-a223-44aa-842f-a2f06750be6e)
     72 ]
     73 interface IMediaParams : IUnknown
     74 {
     75     HRESULT AddEnvelope(
     76         DWORD dwParamIndex,
     77         DWORD cPoints,
     78         MP_ENVELOPE_SEGMENT *pEnvelope
     79     );
     80 
     81     HRESULT FlushEnvelope(
     82         DWORD dwParamIndex,
     83         REFERENCE_TIME refTimeStart,
     84         REFERENCE_TIME refTimeEnd
     85     );
     86 
     87     HRESULT GetParam(
     88         DWORD dwParamIndex,
     89         MP_DATA *pValue
     90     );
     91 
     92     HRESULT SetParam(
     93         DWORD dwParamIndex,
     94         MP_DATA value
     95     );
     96 
     97     HRESULT SetTimeFormat(
     98         GUID guidTimeFormat,
     99         MP_TIMEDATA mpTimeData
    100     );
    101 }
    102 
    103 [
    104     object,
    105     uuid(6d6cbb60-a223-44aa-842f-a2f06750be6d)
    106 ]
    107 interface IMediaParamInfo : IUnknown
    108 {
    109     HRESULT GetParamCount(
    110         DWORD *pdwParams
    111     );
    112 
    113     HRESULT GetParamInfo(
    114         DWORD dwParamIndex,
    115         MP_PARAMINFO *pInfo
    116     );
    117 
    118     HRESULT GetParamText(
    119         DWORD dwParamIndex,
    120         WCHAR **ppwchText
    121     );
    122 
    123     HRESULT GetNumTimeFormats(
    124         DWORD *pdwNumTimeFormats
    125     );
    126 
    127     HRESULT GetSupportedTimeFormat(
    128         DWORD dwFormatIndex,
    129         GUID *pguidTimeFormat
    130     );
    131 
    132     HRESULT GetCurrentTimeFormat(
    133         GUID *pguidTimeFormat,
    134         MP_TIMEDATA *pTimeData
    135     );
    136 }
    137