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1 #***********************************************************
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2 #Copyright 1991 by Digital Equipment Corporation, Maynard, Massachusetts,
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3 #and the Massachusetts Institute of Technology, Cambridge, Massachusetts.
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4 #
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5 # All Rights Reserved
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6 #
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7 #Permission to use, copy, modify, and distribute this software and its
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8 #documentation for any purpose and without fee is hereby granted,
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9 #provided that the above copyright notice appear in all copies and that
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10 #both that copyright notice and this permission notice appear in
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11 #supporting documentation, and that the names of Digital or MIT not be
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12 #used in advertising or publicity pertaining to distribution of the
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13 #software without specific, written prior permission.
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14 #
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15 #DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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16 #ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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17 #DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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18 #ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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19 #WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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20 #ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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21 #SOFTWARE.
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22 #
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23 #******************************************************************
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24 # $XFree86: xc/include/extensions/Xvlib.h,v 1.3 1999/12/11 19:28:48 mvojkovi Exp $
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25 #*
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26 #** File:
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27 #**
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28 #** Xvlib.h --- Xv library public header file
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29 #**
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30 #** Author:
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31 #**
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32 #** David Carver (Digital Workstation Engineering/Project Athena)
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33 #**
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34 #** Revisions:
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35 #**
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36 #** 26.06.91 Carver
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37 #** - changed XvFreeAdaptors to XvFreeAdaptorInfo
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38 #** - changed XvFreeEncodings to XvFreeEncodingInfo
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39 #**
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40 #** 11.06.91 Carver
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41 #** - changed SetPortControl to SetPortAttribute
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42 #** - changed GetPortControl to GetPortAttribute
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43 #** - changed QueryBestSize
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44 #**
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45 #** 05.15.91 Carver
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46 #** - version 2.0 upgrade
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47 #**
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48 #** 01.24.91 Carver
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49 #** - version 1.4 upgrade
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50 #**
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51 #*
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52
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53 import
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54 x, xlib, xshm, xv
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55
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56 const
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57 libXv* = "libXv.so"
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58
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59 type
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60 PXvRational* = ptr XvRational
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61 XvRational*{.final.} = object
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62 numerator*: cint
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63 denominator*: cint
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64
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65 PXvAttribute* = ptr XvAttribute
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66 XvAttribute*{.final.} = object
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67 flags*: cint # XvGettable, XvSettable
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68 min_value*: cint
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69 max_value*: cint
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70 name*: cstring
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71
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72 PPXvEncodingInfo* = ptr PXvEncodingInfo
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73 PXvEncodingInfo* = ptr XvEncodingInfo
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74 XvEncodingInfo*{.final.} = object
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75 encoding_id*: XvEncodingID
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76 name*: cstring
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77 width*: culong
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78 height*: culong
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79 rate*: XvRational
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80 num_encodings*: culong
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81
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82 PXvFormat* = ptr XvFormat
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83 XvFormat*{.final.} = object
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84 depth*: cchar
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85 visual_id*: culong
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86
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87 PPXvAdaptorInfo* = ptr PXvAdaptorInfo
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88 PXvAdaptorInfo* = ptr XvAdaptorInfo
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89 XvAdaptorInfo*{.final.} = object
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90 base_id*: XvPortID
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91 num_ports*: culong
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92 thetype*: cchar
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93 name*: cstring
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94 num_formats*: culong
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95 formats*: PXvFormat
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96 num_adaptors*: culong
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97
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98 PXvVideoNotifyEvent* = ptr XvVideoNotifyEvent
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99 XvVideoNotifyEvent*{.final.} = object
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100 theType*: cint
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101 serial*: culong # # of last request processed by server
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102 send_event*: XBool # true if this came from a SendEvent request
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103 display*: PDisplay # Display the event was read from
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104 drawable*: Drawable # drawable
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105 reason*: culong # what generated this event
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106 port_id*: XvPortID # what port
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107 time*: Time # milliseconds
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108
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109 PXvPortNotifyEvent* = ptr XvPortNotifyEvent
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110 XvPortNotifyEvent*{.final.} = object
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111 theType*: cint
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112 serial*: culong # # of last request processed by server
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113 send_event*: XBool # true if this came from a SendEvent request
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114 display*: PDisplay # Display the event was read from
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115 port_id*: XvPortID # what port
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116 time*: Time # milliseconds
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117 attribute*: Atom # atom that identifies attribute
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118 value*: clong # value of attribute
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119
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120 PXvEvent* = ptr XvEvent
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121 XvEvent*{.final.} = object
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122 pad*: array[0..23, clong] # case longint of
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123 # 0 : (
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124 # theType : cint;
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125 # );
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126 # 1 : (
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127 # xvvideo : XvVideoNotifyEvent;
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128 # );
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129 # 2 : (
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130 # xvport : XvPortNotifyEvent;
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131 # );
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132 # 3 : (
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133 #
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134 # );
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135
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136 PXvImageFormatValues* = ptr XvImageFormatValues
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137 XvImageFormatValues*{.final.} = object
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138 id*: cint # Unique descriptor for the format
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139 theType*: cint # XvRGB, XvYUV
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140 byte_order*: cint # LSBFirst, MSBFirst
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141 guid*: array[0..15, cchar] # Globally Unique IDentifier
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142 bits_per_pixel*: cint
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143 format*: cint # XvPacked, XvPlanar
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144 num_planes*: cint # for RGB formats only
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145 depth*: cint
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146 red_mask*: cuint
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147 green_mask*: cuint
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148 blue_mask*: cuint # for YUV formats only
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149 y_sample_bits*: cuint
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150 u_sample_bits*: cuint
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151 v_sample_bits*: cuint
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152 horz_y_period*: cuint
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153 horz_u_period*: cuint
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154 horz_v_period*: cuint
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155 vert_y_period*: cuint
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156 vert_u_period*: cuint
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157 vert_v_period*: cuint
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158 component_order*: array[0..31, char] # eg. UYVY
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159 scanline_order*: cint # XvTopToBottom, XvBottomToTop
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160
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161 PXvImage* = ptr XvImage
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162 XvImage*{.final.} = object
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163 id*: cint
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164 width*, height*: cint
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165 data_size*: cint # bytes
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166 num_planes*: cint
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167 pitches*: cint # bytes
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168 offsets*: cint # bytes
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169 data*: pointer
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170 obdata*: XPointer
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171
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172 proc XvQueryExtension*(display: PDisplay, p_version, p_revision, p_requestBase,
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173 p_eventBase, p_errorBase: cuint): cint{.cdecl, dynlib: libXv, importc.}
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174 proc XvQueryAdaptors*(display: PDisplay, window: Window, p_nAdaptors: cuint,
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175 p_pAdaptors: PPXvAdaptorInfo): cint{.cdecl, dynlib: libXv,
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176 importc.}
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177 proc XvQueryEncodings*(display: PDisplay, port: XvPortID, p_nEncoding: cuint,
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178 p_pEncoding: PPXvEncodingInfo): cint{.cdecl,
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179 dynlib: libXv, importc.}
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180 proc XvPutVideo*(display: PDisplay, port: XvPortID, d: Drawable, gc: GC,
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181 vx, vy: cint, vw, vh: cuint, dx, dy: cint, dw, dh: cuint): cint{.
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182 cdecl, dynlib: libXv, importc.}
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183 proc XvPutStill*(display: PDisplay, port: XvPortID, d: Drawable, gc: GC,
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184 vx, vy: cint, vw, vh: cuint, dx, dy: cint, dw, dh: cuint): cint{.
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185 cdecl, dynlib: libXv, importc.}
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186 proc XvGetVideo*(display: PDisplay, port: XvPortID, d: Drawable, gc: GC,
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187 vx, vy: cint, vw, vh: cuint, dx, dy: cint, dw, dh: cuint): cint{.
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188 cdecl, dynlib: libXv, importc.}
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189 proc XvGetStill*(display: PDisplay, port: XvPortID, d: Drawable, gc: GC,
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190 vx, vy: cint, vw, vh: cuint, dx, dy: cint, dw, dh: cuint): cint{.
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191 cdecl, dynlib: libXv, importc.}
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192 proc XvStopVideo*(display: PDisplay, port: XvPortID, drawable: Drawable): cint{.
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193 cdecl, dynlib: libXv, importc.}
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194 proc XvGrabPort*(display: PDisplay, port: XvPortID, time: Time): cint{.cdecl,
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195 dynlib: libXv, importc.}
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196 proc XvUngrabPort*(display: PDisplay, port: XvPortID, time: Time): cint{.
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197 cdecl, dynlib: libXv, importc.}
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198 proc XvSelectVideoNotify*(display: PDisplay, drawable: Drawable, onoff: XBool): cint{.
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199 cdecl, dynlib: libXv, importc.}
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200 proc XvSelectPortNotify*(display: PDisplay, port: XvPortID, onoff: XBool): cint{.
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201 cdecl, dynlib: libXv, importc.}
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202 proc XvSetPortAttribute*(display: PDisplay, port: XvPortID, attribute: Atom,
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203 value: cint): cint{.cdecl, dynlib: libXv, importc.}
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204 proc XvGetPortAttribute*(display: PDisplay, port: XvPortID, attribute: Atom,
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205 p_value: cint): cint{.cdecl, dynlib: libXv, importc.}
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206 proc XvQueryBestSize*(display: PDisplay, port: XvPortID, motion: XBool,
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207 vid_w, vid_h, drw_w, drw_h: cuint,
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208 p_actual_width, p_actual_height: cuint): cint{.cdecl,
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209 dynlib: libXv, importc.}
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210 proc XvQueryPortAttributes*(display: PDisplay, port: XvPortID, number: cint): PXvAttribute{.
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211 cdecl, dynlib: libXv, importc.}
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212 proc XvFreeAdaptorInfo*(adaptors: PXvAdaptorInfo){.cdecl, dynlib: libXv, importc.}
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213 proc XvFreeEncodingInfo*(encodings: PXvEncodingInfo){.cdecl, dynlib: libXv,
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214 importc.}
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215 proc XvListImageFormats*(display: PDisplay, port_id: XvPortID,
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216 count_return: cint): PXvImageFormatValues{.cdecl,
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217 dynlib: libXv, importc.}
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218 proc XvCreateImage*(display: PDisplay, port: XvPortID, id: cint, data: pointer,
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219 width, height: cint): PXvImage{.cdecl, dynlib: libXv,
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220 importc.}
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221 proc XvPutImage*(display: PDisplay, id: XvPortID, d: Drawable, gc: GC,
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222 image: PXvImage, src_x, src_y: cint, src_w, src_h: cuint,
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223 dest_x, dest_y: cint, dest_w, dest_h: cuint): cint{.cdecl,
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224 dynlib: libXv, importc.}
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225 proc XvShmPutImage*(display: PDisplay, id: XvPortID, d: Drawable, gc: GC,
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226 image: PXvImage, src_x, src_y: cint, src_w, src_h: cuint,
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227 dest_x, dest_y: cint, dest_w, dest_h: cuint,
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228 send_event: XBool): cint{.cdecl, dynlib: libXv, importc.}
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229 proc XvShmCreateImage*(display: PDisplay, port: XvPortID, id: cint,
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230 data: pointer, width, height: cint,
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231 shminfo: PXShmSegmentInfo): PXvImage{.cdecl,
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232 dynlib: libXv, importc.}
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233 # implementation
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