/usr/lib/python2.7/dist-packages/xcffib/xv.py is in python-xcffib 0.5.1-1build3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import struct
import six
MAJOR_VERSION = 2
MINOR_VERSION = 2
key = xcffib.ExtensionKey("XVideo")
_events = {}
_errors = {}
from . import xproto
from . import shm
class Type:
InputMask = 1 << 0
OutputMask = 1 << 1
VideoMask = 1 << 2
StillMask = 1 << 3
ImageMask = 1 << 4
class ImageFormatInfoType:
RGB = 0
YUV = 1
class ImageFormatInfoFormat:
Packed = 0
Planar = 1
class AttributeFlag:
Gettable = 1 << 0
Settable = 1 << 1
class VideoNotifyReason:
Started = 0
Stopped = 1
Busy = 2
Preempted = 3
HardError = 4
class ScanlineOrder:
TopToBottom = 0
BottomToTop = 1
class GrabPortStatus:
Success = 0
BadExtension = 1
AlreadyGrabbed = 2
InvalidTime = 3
BadReply = 4
BadAlloc = 5
class Rational(xcffib.Struct):
def __init__(self, unpacker):
if isinstance(unpacker, xcffib.Protobj):
unpacker = xcffib.MemoryUnpacker(unpacker.pack())
xcffib.Struct.__init__(self, unpacker)
base = unpacker.offset
self.numerator, self.denominator = unpacker.unpack("ii")
self.bufsize = unpacker.offset - base
def pack(self):
buf = six.BytesIO()
buf.write(struct.pack("=ii", self.numerator, self.denominator))
return buf.getvalue()
fixed_size = 8
@classmethod
def synthetic(cls, numerator, denominator):
self = cls.__new__(cls)
self.numerator = numerator
self.denominator = denominator
return self
class Format(xcffib.Struct):
def __init__(self, unpacker):
if isinstance(unpacker, xcffib.Protobj):
unpacker = xcffib.MemoryUnpacker(unpacker.pack())
xcffib.Struct.__init__(self, unpacker)
base = unpacker.offset
self.visual, self.depth = unpacker.unpack("IB3x")
self.bufsize = unpacker.offset - base
def pack(self):
buf = six.BytesIO()
buf.write(struct.pack("=IB3x", self.visual, self.depth))
return buf.getvalue()
fixed_size = 8
@classmethod
def synthetic(cls, visual, depth):
self = cls.__new__(cls)
self.visual = visual
self.depth = depth
return self
class AdaptorInfo(xcffib.Struct):
def __init__(self, unpacker):
if isinstance(unpacker, xcffib.Protobj):
unpacker = xcffib.MemoryUnpacker(unpacker.pack())
xcffib.Struct.__init__(self, unpacker)
base = unpacker.offset
self.base_id, self.name_size, self.num_ports, self.num_formats, self.type = unpacker.unpack("IHHHBx")
self.name = xcffib.List(unpacker, "c", self.name_size)
unpacker.pad(Format)
self.formats = xcffib.List(unpacker, Format, self.num_formats)
self.bufsize = unpacker.offset - base
def pack(self):
buf = six.BytesIO()
buf.write(struct.pack("=IHHHBx", self.base_id, self.name_size, self.num_ports, self.num_formats, self.type))
buf.write(xcffib.pack_list(self.name, "c"))
buf.write(xcffib.pack_list(self.formats, Format))
return buf.getvalue()
@classmethod
def synthetic(cls, base_id, name_size, num_ports, num_formats, type, name, formats):
self = cls.__new__(cls)
self.base_id = base_id
self.name_size = name_size
self.num_ports = num_ports
self.num_formats = num_formats
self.type = type
self.name = name
self.formats = formats
return self
class EncodingInfo(xcffib.Struct):
def __init__(self, unpacker):
if isinstance(unpacker, xcffib.Protobj):
unpacker = xcffib.MemoryUnpacker(unpacker.pack())
xcffib.Struct.__init__(self, unpacker)
base = unpacker.offset
self.encoding, self.name_size, self.width, self.height = unpacker.unpack("IHHH2x")
self.rate = Rational(unpacker)
unpacker.pad("c")
self.name = xcffib.List(unpacker, "c", self.name_size)
self.bufsize = unpacker.offset - base
def pack(self):
buf = six.BytesIO()
buf.write(struct.pack("=IHHH2x", self.encoding, self.name_size, self.width, self.height))
buf.write(self.rate.pack() if hasattr(self.rate, "pack") else Rational.synthetic(*self.rate).pack())
buf.write(xcffib.pack_list(self.name, "c"))
return buf.getvalue()
@classmethod
def synthetic(cls, encoding, name_size, width, height, rate, name):
self = cls.__new__(cls)
self.encoding = encoding
self.name_size = name_size
self.width = width
self.height = height
self.rate = rate
self.name = name
return self
class Image(xcffib.Struct):
def __init__(self, unpacker):
if isinstance(unpacker, xcffib.Protobj):
unpacker = xcffib.MemoryUnpacker(unpacker.pack())
xcffib.Struct.__init__(self, unpacker)
base = unpacker.offset
self.id, self.width, self.height, self.data_size, self.num_planes = unpacker.unpack("IHHII")
self.pitches = xcffib.List(unpacker, "I", self.num_planes)
unpacker.pad("I")
self.offsets = xcffib.List(unpacker, "I", self.num_planes)
unpacker.pad("B")
self.data = xcffib.List(unpacker, "B", self.data_size)
self.bufsize = unpacker.offset - base
def pack(self):
buf = six.BytesIO()
buf.write(struct.pack("=IHHII", self.id, self.width, self.height, self.data_size, self.num_planes))
buf.write(xcffib.pack_list(self.pitches, "I"))
buf.write(xcffib.pack_list(self.offsets, "I"))
buf.write(xcffib.pack_list(self.data, "B"))
return buf.getvalue()
@classmethod
def synthetic(cls, id, width, height, data_size, num_planes, pitches, offsets, data):
self = cls.__new__(cls)
self.id = id
self.width = width
self.height = height
self.data_size = data_size
self.num_planes = num_planes
self.pitches = pitches
self.offsets = offsets
self.data = data
return self
class AttributeInfo(xcffib.Struct):
def __init__(self, unpacker):
if isinstance(unpacker, xcffib.Protobj):
unpacker = xcffib.MemoryUnpacker(unpacker.pack())
xcffib.Struct.__init__(self, unpacker)
base = unpacker.offset
self.flags, self.min, self.max, self.size = unpacker.unpack("IiiI")
self.name = xcffib.List(unpacker, "c", self.size)
self.bufsize = unpacker.offset - base
def pack(self):
buf = six.BytesIO()
buf.write(struct.pack("=IiiI", self.flags, self.min, self.max, self.size))
buf.write(xcffib.pack_list(self.name, "c"))
return buf.getvalue()
@classmethod
def synthetic(cls, flags, min, max, size, name):
self = cls.__new__(cls)
self.flags = flags
self.min = min
self.max = max
self.size = size
self.name = name
return self
class ImageFormatInfo(xcffib.Struct):
def __init__(self, unpacker):
if isinstance(unpacker, xcffib.Protobj):
unpacker = xcffib.MemoryUnpacker(unpacker.pack())
xcffib.Struct.__init__(self, unpacker)
base = unpacker.offset
self.id, self.type, self.byte_order = unpacker.unpack("IBB2x")
self.guid = xcffib.List(unpacker, "B", 16)
self.bpp, self.num_planes, self.depth, self.red_mask, self.green_mask, self.blue_mask, self.format, self.y_sample_bits, self.u_sample_bits, self.v_sample_bits, self.vhorz_y_period, self.vhorz_u_period, self.vhorz_v_period, self.vvert_y_period, self.vvert_u_period, self.vvert_v_period = unpacker.unpack("BB2xB3xIIIB3xIIIIIIIII")
unpacker.pad("B")
self.vcomp_order = xcffib.List(unpacker, "B", 32)
self.vscanline_order, = unpacker.unpack("B11x")
self.bufsize = unpacker.offset - base
def pack(self):
buf = six.BytesIO()
buf.write(struct.pack("=IBB2xBB2xB3xIIIB3xIIIIIIIIIB11x", self.id, self.type, self.byte_order, self.bpp, self.num_planes, self.depth, self.red_mask, self.green_mask, self.blue_mask, self.format, self.y_sample_bits, self.u_sample_bits, self.v_sample_bits, self.vhorz_y_period, self.vhorz_u_period, self.vhorz_v_period, self.vvert_y_period, self.vvert_u_period, self.vvert_v_period, self.vscanline_order))
buf.write(xcffib.pack_list(self.guid, "B"))
buf.write(xcffib.pack_list(self.vcomp_order, "B"))
return buf.getvalue()
fixed_size = 128
@classmethod
def synthetic(cls, id, type, byte_order, guid, bpp, num_planes, depth, red_mask, green_mask, blue_mask, format, y_sample_bits, u_sample_bits, v_sample_bits, vhorz_y_period, vhorz_u_period, vhorz_v_period, vvert_y_period, vvert_u_period, vvert_v_period, vcomp_order, vscanline_order):
self = cls.__new__(cls)
self.id = id
self.type = type
self.byte_order = byte_order
self.guid = guid
self.bpp = bpp
self.num_planes = num_planes
self.depth = depth
self.red_mask = red_mask
self.green_mask = green_mask
self.blue_mask = blue_mask
self.format = format
self.y_sample_bits = y_sample_bits
self.u_sample_bits = u_sample_bits
self.v_sample_bits = v_sample_bits
self.vhorz_y_period = vhorz_y_period
self.vhorz_u_period = vhorz_u_period
self.vhorz_v_period = vhorz_v_period
self.vvert_y_period = vvert_y_period
self.vvert_u_period = vvert_u_period
self.vvert_v_period = vvert_v_period
self.vcomp_order = vcomp_order
self.vscanline_order = vscanline_order
return self
class BadPortError(xcffib.Error):
def __init__(self, unpacker):
if isinstance(unpacker, xcffib.Protobj):
unpacker = xcffib.MemoryUnpacker(unpacker.pack())
xcffib.Error.__init__(self, unpacker)
base = unpacker.offset
unpacker.unpack("xx2x")
self.bufsize = unpacker.offset - base
def pack(self):
buf = six.BytesIO()
buf.write(struct.pack("=B", 0))
buf.write(struct.pack("=x2x"))
return buf.getvalue()
BadBadPort = BadPortError
_errors[0] = BadPortError
class BadEncodingError(xcffib.Error):
def __init__(self, unpacker):
if isinstance(unpacker, xcffib.Protobj):
unpacker = xcffib.MemoryUnpacker(unpacker.pack())
xcffib.Error.__init__(self, unpacker)
base = unpacker.offset
unpacker.unpack("xx2x")
self.bufsize = unpacker.offset - base
def pack(self):
buf = six.BytesIO()
buf.write(struct.pack("=B", 1))
buf.write(struct.pack("=x2x"))
return buf.getvalue()
BadBadEncoding = BadEncodingError
_errors[1] = BadEncodingError
class BadControlError(xcffib.Error):
def __init__(self, unpacker):
if isinstance(unpacker, xcffib.Protobj):
unpacker = xcffib.MemoryUnpacker(unpacker.pack())
xcffib.Error.__init__(self, unpacker)
base = unpacker.offset
unpacker.unpack("xx2x")
self.bufsize = unpacker.offset - base
def pack(self):
buf = six.BytesIO()
buf.write(struct.pack("=B", 2))
buf.write(struct.pack("=x2x"))
return buf.getvalue()
BadBadControl = BadControlError
_errors[2] = BadControlError
class VideoNotifyEvent(xcffib.Event):
def __init__(self, unpacker):
if isinstance(unpacker, xcffib.Protobj):
unpacker = xcffib.MemoryUnpacker(unpacker.pack())
xcffib.Event.__init__(self, unpacker)
base = unpacker.offset
self.reason, self.time, self.drawable, self.port = unpacker.unpack("xB2xIII")
self.bufsize = unpacker.offset - base
def pack(self):
buf = six.BytesIO()
buf.write(struct.pack("=B", 0))
buf.write(struct.pack("=B2xIII", self.reason, self.time, self.drawable, self.port))
buf_len = len(buf.getvalue())
if buf_len < 32:
buf.write(struct.pack("x" * (32 - buf_len)))
return buf.getvalue()
@classmethod
def synthetic(cls, reason, time, drawable, port):
self = cls.__new__(cls)
self.reason = reason
self.time = time
self.drawable = drawable
self.port = port
return self
_events[0] = VideoNotifyEvent
class PortNotifyEvent(xcffib.Event):
def __init__(self, unpacker):
if isinstance(unpacker, xcffib.Protobj):
unpacker = xcffib.MemoryUnpacker(unpacker.pack())
xcffib.Event.__init__(self, unpacker)
base = unpacker.offset
self.time, self.port, self.attribute, self.value = unpacker.unpack("xx2xIIIi")
self.bufsize = unpacker.offset - base
def pack(self):
buf = six.BytesIO()
buf.write(struct.pack("=B", 1))
buf.write(struct.pack("=x2xIIIi", self.time, self.port, self.attribute, self.value))
buf_len = len(buf.getvalue())
if buf_len < 32:
buf.write(struct.pack("x" * (32 - buf_len)))
return buf.getvalue()
@classmethod
def synthetic(cls, time, port, attribute, value):
self = cls.__new__(cls)
self.time = time
self.port = port
self.attribute = attribute
self.value = value
return self
_events[1] = PortNotifyEvent
class QueryExtensionReply(xcffib.Reply):
def __init__(self, unpacker):
if isinstance(unpacker, xcffib.Protobj):
unpacker = xcffib.MemoryUnpacker(unpacker.pack())
xcffib.Reply.__init__(self, unpacker)
base = unpacker.offset
self.major, self.minor = unpacker.unpack("xx2x4xHH")
self.bufsize = unpacker.offset - base
class QueryExtensionCookie(xcffib.Cookie):
reply_type = QueryExtensionReply
class QueryAdaptorsReply(xcffib.Reply):
def __init__(self, unpacker):
if isinstance(unpacker, xcffib.Protobj):
unpacker = xcffib.MemoryUnpacker(unpacker.pack())
xcffib.Reply.__init__(self, unpacker)
base = unpacker.offset
self.num_adaptors, = unpacker.unpack("xx2x4xH22x")
self.info = xcffib.List(unpacker, AdaptorInfo, self.num_adaptors)
self.bufsize = unpacker.offset - base
class QueryAdaptorsCookie(xcffib.Cookie):
reply_type = QueryAdaptorsReply
class QueryEncodingsReply(xcffib.Reply):
def __init__(self, unpacker):
if isinstance(unpacker, xcffib.Protobj):
unpacker = xcffib.MemoryUnpacker(unpacker.pack())
xcffib.Reply.__init__(self, unpacker)
base = unpacker.offset
self.num_encodings, = unpacker.unpack("xx2x4xH22x")
self.info = xcffib.List(unpacker, EncodingInfo, self.num_encodings)
self.bufsize = unpacker.offset - base
class QueryEncodingsCookie(xcffib.Cookie):
reply_type = QueryEncodingsReply
class GrabPortReply(xcffib.Reply):
def __init__(self, unpacker):
if isinstance(unpacker, xcffib.Protobj):
unpacker = xcffib.MemoryUnpacker(unpacker.pack())
xcffib.Reply.__init__(self, unpacker)
base = unpacker.offset
self.result, = unpacker.unpack("xB2x4x")
self.bufsize = unpacker.offset - base
class GrabPortCookie(xcffib.Cookie):
reply_type = GrabPortReply
class QueryBestSizeReply(xcffib.Reply):
def __init__(self, unpacker):
if isinstance(unpacker, xcffib.Protobj):
unpacker = xcffib.MemoryUnpacker(unpacker.pack())
xcffib.Reply.__init__(self, unpacker)
base = unpacker.offset
self.actual_width, self.actual_height = unpacker.unpack("xx2x4xHH")
self.bufsize = unpacker.offset - base
class QueryBestSizeCookie(xcffib.Cookie):
reply_type = QueryBestSizeReply
class GetPortAttributeReply(xcffib.Reply):
def __init__(self, unpacker):
if isinstance(unpacker, xcffib.Protobj):
unpacker = xcffib.MemoryUnpacker(unpacker.pack())
xcffib.Reply.__init__(self, unpacker)
base = unpacker.offset
self.value, = unpacker.unpack("xx2x4xi")
self.bufsize = unpacker.offset - base
class GetPortAttributeCookie(xcffib.Cookie):
reply_type = GetPortAttributeReply
class QueryPortAttributesReply(xcffib.Reply):
def __init__(self, unpacker):
if isinstance(unpacker, xcffib.Protobj):
unpacker = xcffib.MemoryUnpacker(unpacker.pack())
xcffib.Reply.__init__(self, unpacker)
base = unpacker.offset
self.num_attributes, self.text_size = unpacker.unpack("xx2x4xII16x")
self.attributes = xcffib.List(unpacker, AttributeInfo, self.num_attributes)
self.bufsize = unpacker.offset - base
class QueryPortAttributesCookie(xcffib.Cookie):
reply_type = QueryPortAttributesReply
class ListImageFormatsReply(xcffib.Reply):
def __init__(self, unpacker):
if isinstance(unpacker, xcffib.Protobj):
unpacker = xcffib.MemoryUnpacker(unpacker.pack())
xcffib.Reply.__init__(self, unpacker)
base = unpacker.offset
self.num_formats, = unpacker.unpack("xx2x4xI20x")
self.format = xcffib.List(unpacker, ImageFormatInfo, self.num_formats)
self.bufsize = unpacker.offset - base
class ListImageFormatsCookie(xcffib.Cookie):
reply_type = ListImageFormatsReply
class QueryImageAttributesReply(xcffib.Reply):
def __init__(self, unpacker):
if isinstance(unpacker, xcffib.Protobj):
unpacker = xcffib.MemoryUnpacker(unpacker.pack())
xcffib.Reply.__init__(self, unpacker)
base = unpacker.offset
self.num_planes, self.data_size, self.width, self.height = unpacker.unpack("xx2x4xIIHH12x")
self.pitches = xcffib.List(unpacker, "I", self.num_planes)
unpacker.pad("I")
self.offsets = xcffib.List(unpacker, "I", self.num_planes)
self.bufsize = unpacker.offset - base
class QueryImageAttributesCookie(xcffib.Cookie):
reply_type = QueryImageAttributesReply
class xvExtension(xcffib.Extension):
def QueryExtension(self, is_checked=True):
buf = six.BytesIO()
buf.write(struct.pack("=xx2x"))
return self.send_request(0, buf, QueryExtensionCookie, is_checked=is_checked)
def QueryAdaptors(self, window, is_checked=True):
buf = six.BytesIO()
buf.write(struct.pack("=xx2xI", window))
return self.send_request(1, buf, QueryAdaptorsCookie, is_checked=is_checked)
def QueryEncodings(self, port, is_checked=True):
buf = six.BytesIO()
buf.write(struct.pack("=xx2xI", port))
return self.send_request(2, buf, QueryEncodingsCookie, is_checked=is_checked)
def GrabPort(self, port, time, is_checked=True):
buf = six.BytesIO()
buf.write(struct.pack("=xx2xII", port, time))
return self.send_request(3, buf, GrabPortCookie, is_checked=is_checked)
def UngrabPort(self, port, time, is_checked=False):
buf = six.BytesIO()
buf.write(struct.pack("=xx2xII", port, time))
return self.send_request(4, buf, is_checked=is_checked)
def PutVideo(self, port, drawable, gc, vid_x, vid_y, vid_w, vid_h, drw_x, drw_y, drw_w, drw_h, is_checked=False):
buf = six.BytesIO()
buf.write(struct.pack("=xx2xIIIhhHHhhHH", port, drawable, gc, vid_x, vid_y, vid_w, vid_h, drw_x, drw_y, drw_w, drw_h))
return self.send_request(5, buf, is_checked=is_checked)
def PutStill(self, port, drawable, gc, vid_x, vid_y, vid_w, vid_h, drw_x, drw_y, drw_w, drw_h, is_checked=False):
buf = six.BytesIO()
buf.write(struct.pack("=xx2xIIIhhHHhhHH", port, drawable, gc, vid_x, vid_y, vid_w, vid_h, drw_x, drw_y, drw_w, drw_h))
return self.send_request(6, buf, is_checked=is_checked)
def GetVideo(self, port, drawable, gc, vid_x, vid_y, vid_w, vid_h, drw_x, drw_y, drw_w, drw_h, is_checked=False):
buf = six.BytesIO()
buf.write(struct.pack("=xx2xIIIhhHHhhHH", port, drawable, gc, vid_x, vid_y, vid_w, vid_h, drw_x, drw_y, drw_w, drw_h))
return self.send_request(7, buf, is_checked=is_checked)
def GetStill(self, port, drawable, gc, vid_x, vid_y, vid_w, vid_h, drw_x, drw_y, drw_w, drw_h, is_checked=False):
buf = six.BytesIO()
buf.write(struct.pack("=xx2xIIIhhHHhhHH", port, drawable, gc, vid_x, vid_y, vid_w, vid_h, drw_x, drw_y, drw_w, drw_h))
return self.send_request(8, buf, is_checked=is_checked)
def StopVideo(self, port, drawable, is_checked=False):
buf = six.BytesIO()
buf.write(struct.pack("=xx2xII", port, drawable))
return self.send_request(9, buf, is_checked=is_checked)
def SelectVideoNotify(self, drawable, onoff, is_checked=False):
buf = six.BytesIO()
buf.write(struct.pack("=xx2xIB3x", drawable, onoff))
return self.send_request(10, buf, is_checked=is_checked)
def SelectPortNotify(self, port, onoff, is_checked=False):
buf = six.BytesIO()
buf.write(struct.pack("=xx2xIB3x", port, onoff))
return self.send_request(11, buf, is_checked=is_checked)
def QueryBestSize(self, port, vid_w, vid_h, drw_w, drw_h, motion, is_checked=True):
buf = six.BytesIO()
buf.write(struct.pack("=xx2xIHHHHB3x", port, vid_w, vid_h, drw_w, drw_h, motion))
return self.send_request(12, buf, QueryBestSizeCookie, is_checked=is_checked)
def SetPortAttribute(self, port, attribute, value, is_checked=False):
buf = six.BytesIO()
buf.write(struct.pack("=xx2xIIi", port, attribute, value))
return self.send_request(13, buf, is_checked=is_checked)
def GetPortAttribute(self, port, attribute, is_checked=True):
buf = six.BytesIO()
buf.write(struct.pack("=xx2xII", port, attribute))
return self.send_request(14, buf, GetPortAttributeCookie, is_checked=is_checked)
def QueryPortAttributes(self, port, is_checked=True):
buf = six.BytesIO()
buf.write(struct.pack("=xx2xI", port))
return self.send_request(15, buf, QueryPortAttributesCookie, is_checked=is_checked)
def ListImageFormats(self, port, is_checked=True):
buf = six.BytesIO()
buf.write(struct.pack("=xx2xI", port))
return self.send_request(16, buf, ListImageFormatsCookie, is_checked=is_checked)
def QueryImageAttributes(self, port, id, width, height, is_checked=True):
buf = six.BytesIO()
buf.write(struct.pack("=xx2xIIHH", port, id, width, height))
return self.send_request(17, buf, QueryImageAttributesCookie, is_checked=is_checked)
def PutImage(self, port, drawable, gc, id, src_x, src_y, src_w, src_h, drw_x, drw_y, drw_w, drw_h, width, height, data_len, data, is_checked=False):
buf = six.BytesIO()
buf.write(struct.pack("=xx2xIIIIhhHHhhHHHH", port, drawable, gc, id, src_x, src_y, src_w, src_h, drw_x, drw_y, drw_w, drw_h, width, height))
buf.write(xcffib.pack_list(data, "B"))
return self.send_request(18, buf, is_checked=is_checked)
def ShmPutImage(self, port, drawable, gc, shmseg, id, offset, src_x, src_y, src_w, src_h, drw_x, drw_y, drw_w, drw_h, width, height, send_event, is_checked=False):
buf = six.BytesIO()
buf.write(struct.pack("=xx2xIIIIIIhhHHhhHHHHB3x", port, drawable, gc, shmseg, id, offset, src_x, src_y, src_w, src_h, drw_x, drw_y, drw_w, drw_h, width, height, send_event))
return self.send_request(19, buf, is_checked=is_checked)
xcffib._add_ext(key, xvExtension, _events, _errors)
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