/usr/lib/sltv/videomixer.py is in landell 0.92.1-1.1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 | # -*- coding: utf-8 -*-
# Copyright (C) 2010 Holoscópio Tecnologia
# Author: Luciana Fujii Pontello <luciana@holoscopio.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import gobject
import pygst
pygst.require("0.10")
import gst
from log import Log
class PictureInPicture(gst.Bin):
__gproperties__ = {
'width' : (gobject.TYPE_INT, # type
'width', # nick name
'Width of bigger video', # description
0, # minimum value
32767, # maximum value
320, # default value
gobject.PARAM_READWRITE), # flags
'height' : (gobject.TYPE_INT, # type
'height', # nick name
'height of bigger video', # description
0, # minimum value
32767, # maximum value
240, # default value
gobject.PARAM_READWRITE), # flags
'xposition' : (gobject.TYPE_INT, # type
'Position X', # nick name
'PIP X coordinate', # description
0, # minimum value
32767, # maximum value
0, # default value
gobject.PARAM_READWRITE), # flags
'yposition' : (gobject.TYPE_INT, # type
'Position Y', # nick name
'PIP Y coordinate', # description
0, # minimum value
32767, # maximum value
0, # default value
gobject.PARAM_READWRITE), # flags
'enabled' : (gobject.TYPE_BOOLEAN, # type
'status', # nick name
'Status of pip', # description
True, # default value
gobject.PARAM_READWRITE), # flags
'position' : (gobject.TYPE_INT, # type
'position', # nick name
'Selected position', # description
0, # minimum value
3, # maximum value
0, # default value
gobject.PARAM_READWRITE), # flags
'a-active' : (gobject.TYPE_INT, # type
'Active A', # nick name
'A Pad to be active', # description
0, # minimum value
32, # maximum value
0, # default value
gobject.PARAM_READWRITE), # flags
'b-active' : (gobject.TYPE_INT, # type
'Active B', # nick name
'B Pad to be active', # description
0, # minimum value
32, # maximum value
0, # default value
gobject.PARAM_READWRITE), # flags
}
def __init__(self):
gst.Bin.__init__(self)
self.width = 320
self.height = 240
self.x_position = 0
self.y_position = 0
self.enabled = True
self.position = 0
self.videomixer = gst.element_factory_make("videomixer2", "videomixer")
self.add(self.videomixer)
self.caps = self.make_caps(self.width, self.height)
self.csp = gst.element_factory_make("ffmpegcolorspace", "pip_csp")
self.add(self.csp)
self.A_capsfilter = []
self.B_capsfilter = []
self.A_pads = []
self.B_pads = []
self.videomixer.link(self.csp)
src_pad = gst.GhostPad("src", self.csp.src_pads().next())
self.add_pad(src_pad)
self.A_number = 0
self.B_number = 0
self.a_active = 0
self._set_active_a(self.a_active)
self.b_active = 0
self._set_active_b(self.b_active)
def get_request_pad_A(self):
return self._create_A_input()
def get_request_pad_B(self):
return self._create_B_input()
def _create_A_input(self):
A_videoscale = gst.element_factory_make(
"videoscale", None
)
self.add(A_videoscale)
A_videorate = gst.element_factory_make(
"videorate", None
)
self.add(A_videorate)
A_capsfilter = gst.element_factory_make(
"capsfilter", None
)
self.add(A_capsfilter)
self.A_capsfilter.append(A_capsfilter)
A_csp = gst.element_factory_make(
"ffmpegcolorspace", None
)
self.add(A_csp)
A_alpha = gst.element_factory_make(
"alpha", None
)
self.add(A_alpha)
A_capsfilter.set_property("caps", self.caps['A'])
gst.element_link_many(
A_videoscale, A_videorate, A_csp, A_alpha, A_capsfilter
)
pad = self.videomixer.get_pad("sink_%d")
pad.set_property("zorder",1)
pad.set_property("xpos",0)
pad.set_property("ypos",0)
A_capsfilter.src_pads().next().link(pad)
self.A_pads.append(pad)
sink_pad = gst.GhostPad(
"sink_a_%d" % self.A_number, A_videoscale.sink_pads().next()
)
self.add_pad(sink_pad)
self.A_number = self.A_number + 1
return sink_pad
def _create_B_input(self):
B_videoscale = gst.element_factory_make(
"videoscale", None
)
self.add(B_videoscale)
B_videorate = gst.element_factory_make(
"videorate", None
)
self.add(B_videorate)
B_capsfilter = gst.element_factory_make(
"capsfilter", None
)
self.add(B_capsfilter)
self.B_capsfilter.append(B_capsfilter)
B_capsfilter.set_property("caps", self.caps['B'])
B_csp = gst.element_factory_make(
"ffmpegcolorspace", None
)
B_alpha = gst.element_factory_make("alpha", None)
self.add(B_alpha)
self.add(B_csp)
gst.element_link_many(
B_videoscale, B_videorate, B_csp, B_alpha, B_capsfilter
)
pad = self.videomixer.get_pad("sink_%d")
pad.set_property("zorder", 10)
pad.set_property("xpos",0)
pad.set_property("ypos",0)
B_capsfilter.src_pads().next().link(pad)
self.B_pads.append(pad)
sink_pad = gst.GhostPad(
"sink_b_%d" % self.B_number, B_videoscale.sink_pads().next()
)
self.add_pad(sink_pad)
self.B_number = self.B_number + 1
return sink_pad
def make_caps(self, width, height):
caps = {}
inside_width = width/3
inside_height = height/3
resolution = ",width=" + str(inside_width) + ",height=" + str(inside_height)
caps_string_inside = "video/x-raw-yuv" + resolution
resolution = ",width=" + str(width) + ",height=" + str(height)
caps_string_outside = "video/x-raw-yuv" + resolution
caps['B'] = gst.caps_from_string(caps_string_inside)
caps['A'] = gst.caps_from_string(caps_string_outside)
return caps
def _set_active_a(self, pad_number):
for i, pad in enumerate(self.A_pads):
if i == pad_number:
pad.set_property("alpha", 1)
else:
pad.set_property("alpha", 0)
def _set_active_b(self, pad_number):
for i, pad in enumerate(self.B_pads):
if i == pad_number:
pad.set_property("alpha", 1)
else:
pad.set_property("alpha", 0)
def do_get_property(self, property):
if property.name == "width":
return self.width
elif property.name == "height":
return self.height
elif property.name == "xposition":
return self.x_position
elif property.name == "yposition":
return self.y_position
elif property.name == "enabled":
return self.enabled
elif property.name == "position":
return self.position
elif property.name == "a-active":
return self.a_active
elif property.name == "b-active":
return self.b_active
else:
Log.warning('PictureInPicture unknown property %s' % property.name)
def _set_caps(self):
self.caps = self.make_caps(self.width, self.height)
for capsfilter in self.A_capsfilter:
capsfilter.set_property("caps", self.caps['A'])
for capsfilter in self.B_capsfilter:
capsfilter.set_property("caps", self.caps['B'])
def _set_B_pad_property(self, property_name, value):
for pad in self.B_pads:
pad.set_property(property_name, value)
def set_selected_position(self, selected):
self.position = selected
if selected == 0:
self.set_property("xposition", 0)
self.set_property("yposition", 0)
elif selected == 1:
self.set_property("xposition", (self.width - self.width/3))
self.set_property("yposition", 0)
elif selected == 2:
self.set_property("xposition", 0)
self.set_property("yposition", (self.height - self.height/3))
elif selected == 3:
self.set_property("xposition", (self.width - self.width/3))
self.set_property("yposition", (self.height - self.height/3))
def do_set_property(self, property, value):
if property.name == "width":
self.width = value
self._set_caps()
elif property.name == "height":
self.height = value
self._set_caps()
elif property.name == "xposition":
self.x_position = value
self._set_B_pad_property("xpos", self.x_position)
elif property.name == "yposition":
self.y_position = value
self._set_B_pad_property("ypos", self.y_position)
elif property.name == "enabled":
self.enabled = value
if self.enabled:
self._set_B_pad_property("zorder", 10)
else:
self._set_B_pad_property("zorder", 0)
elif property.name == "position":
self.set_selected_position(value)
elif property.name == "a-active":
self.a_active = value
self._set_active_a(value)
elif property.name == "b-active":
self.b_active = value
self._set_active_b(value)
else:
Log.warning('PictureInPicture unknown property %s' % property.name)
gobject.type_register(PictureInPicture)
|