/usr/lib/sltv/input/dvinput.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 | # -*- coding: utf-8 -*-
# Copyright (C) 2010 Holoscopio 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 core import Input, INPUT_TYPE_AUDIO, INPUT_TYPE_VIDEO
CAPABILITIES = INPUT_TYPE_AUDIO | INPUT_TYPE_VIDEO
class DVInput(Input):
def __init__(self):
Input.__init__(self, CAPABILITIES)
self.dv_src = gst.element_factory_make("dv1394src", "video_src")
self.dv_src.set_property("use-avc", False)
self.add(self.dv_src)
self.capsfilter = gst.element_factory_make(
"capsfilter", "dv_capsfilter"
)
self.add(self.capsfilter)
self.tee = gst.element_factory_make("tee", "dv_tee")
self.add(self.tee)
self.queue_src = gst.element_factory_make("queue", "dv_src_queue")
self.add(self.queue_src)
self.dvdemux = gst.element_factory_make("ffdemux_dv", "dvdemux")
self.add(self.dvdemux)
self.dvdemux.connect("pad-added", self.on_pad_added)
self.video_queue = gst.element_factory_make(
"multiqueue", "video_demux_queue"
)
self.add(self.video_queue)
self.colorspc = gst.element_factory_make(
"ffmpegcolorspace", "video_dv_colorspace"
)
self.add(self.colorspc)
self.dvdec = gst.element_factory_make("dvdec", "dvdec")
self.add(self.dvdec)
self.videoscale = gst.element_factory_make(
"videoscale", "dv_videoscale"
)
self.add(self.videoscale)
gst.element_link_many(
self.dv_src, self.capsfilter, self.tee, self.queue_src,
self.dvdemux
)
gst.element_link_many(
self.dvdec, self.colorspc, self.videoscale
)
self.video_pad.set_target(self.videoscale.src_pads().next())
index = 1
def on_pad_added(self, element, pad):
name = pad.get_caps()[0].get_name()
if "video" in name:
request_pad = self.video_queue.get_request_pad("sink%d")
pad.link(request_pad)
src_pad = request_pad.iterate_internal_links().next()
src_pad.link(self.dvdec.get_static_pad("sink"))
if "audio" in name:
request_pad = self.video_queue.get_request_pad("sink%d")
pad.link(request_pad)
src_pad = request_pad.iterate_internal_links().next()
self.audio_pad.set_target(src_pad)
def config(self, dict):
self.dv_src.set_property("channel", int(dict["channel"]))
self.dv_src.set_property("port", int(dict["port"]))
self.dv_src.set_property("use-avc", bool(dict["use-avc"]))
caps = gst.caps_from_string(
"video/x-dv, width=%d, height=%d" % (
int(dict["width"]), int(dict["height"])
)
)
self.capsfilter.set_property("caps", caps)
if dict["file_enabled"] == 'True':
self.queue_save = gst.element_factory_make("queue", "dv_save_queue")
self.add(self.queue_save)
self.filesink = gst.element_factory_make("filesink", "dvfilesink")
self.add(self.filesink)
gst.element_link_many(
self.tee, self.queue_save, self.filesink
)
self.filesink.set_property("location", dict["filename"])
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