#!/usr/bin/python

import gtk

from light9.vidref.main import Main

start=Main()

gtk.main()

#!/usr/bin/python

import pygst

pygst.require("0.10")

import gst, gobject

import pygtk

import gtk

from twisted.python.util import sibpath

import Image

otherPic = None

import StringIO

# gtk.gdk.pixbuf_new_from_data(img.tostring() seems like it would be better

# http://www.daa.com.au/pipermail/pygtk/2003-June/005268.html

def Image_to_GdkPixbuf (image):

    file = StringIO.StringIO ()

    image.save (file, 'ppm')

    contents = file.getvalue()

    file.close ()

    loader = gtk.gdk.PixbufLoader ('pnm')

    loader.write (contents, len (contents))

    pixbuf = loader.get_pixbuf ()

    loader.close ()

    return pixbuf

class MySink(gst.Element):

    _sinkpadtemplate = gst.PadTemplate ("sinkpadtemplate",

                                        gst.PAD_SINK,

                                        gst.PAD_ALWAYS,

                                        gst.caps_new_any())

    def __init__(self):

        gst.Element.__init__(self)

        self.sinkpad = gst.Pad(self._sinkpadtemplate, "sink")

        self.add_pad(self.sinkpad)

        self.sinkpad.set_chain_function(self.chainfunc)

    def chainfunc(self, pad, buffer):

        global nextImageCb

        self.info("%s timestamp(buffer):%d" % (pad, buffer.timestamp))

        if 1:

            try:

                cap = buffer.caps[0]

                img = Image.fromstring('RGB', (cap['width'], cap['height']),

                                       buffer.data)

            except:

                import traceback

                traceback.print_exc()

                raise

            print "got image to save"

            #pixbuf = Image_to_GdkPixbuf(img)

            #otherPic.set_from_pixbuf(pixbuf)

        return gst.FLOW_OK

gobject.type_register(MySink)

class Main(object):

    def __init__(self):

        global otherPic

        wtree = gtk.Builder()

        wtree.add_from_file(sibpath(__file__, "vidref.glade"))

        mainwin = wtree.get_object("MainWindow")

        otherPic = wtree.get_object("liveVideo")

        mainwin.connect("destroy", gtk.main_quit)

        wtree.connect_signals({

            "foo" : self.OnPlay,

            })

        pipeline = gst.Pipeline("player")

        def makeElem(t, n=None):

            e = gst.element_factory_make(t, n)

            pipeline.add(e)

            return e

        if 0:

            source = makeElem("videotestsrc", "video")

        else:

            source = makeElem("v4l2src", "vsource")

            source.set_property("device", "/dev/video0")

        csp = makeElem("ffmpegcolorspace")

        caps = makeElem("capsfilter")

        caps.set_property('caps', gst.caps_from_string('video/x-raw-rgb'))

        sink = makeElem("xvimagesink", "sink")

        recSink = MySink()

        pipeline.add(recSink)

        # using this adds 5% cpu; not sure the advantage

        scaler = makeElem("videoscale", "vscale")

        tee = makeElem("tee")

        source.link(csp)

        csp.link(caps)

        caps.link(tee)

        tee.link(sink)

        tee.link(recSink)

#        tee.link(sink2)

        mainwin.show_all()

#        sink2.set_xwindow_id(wtree.get_object("liveVideo").window.xid)

        sink.set_xwindow_id(wtree.get_object("vid3").window.xid)

        pipeline.set_state(gst.STATE_PLAYING)

    def OnPlay(self, widget):

        print "play"

       # Tell the video sink to display the output in our DrawingArea

        self.sinkx.set_xwindow_id(self.da.window.xid)

        self.pipeline.set_state(gst.STATE_PLAYING)

    def OnStop(self, widget):

        print "stop"

        self.pipeline.set_state(gst.STATE_READY)

    def OnQuit(self, widget):

        gtk.main_quit()

#!/usr/bin/env python

from PyQt4 import QtCore, QtGui, uic

import gst

import gobject

class Vid(object):

    def __init__(self, windowId):

        self.player = gst.Pipeline("player")

        self.source = gst.element_factory_make("v4l2src", "vsource")

        self.sink = gst.element_factory_make("autovideosink", "outsink")

        self.source.set_property("device", "/dev/video0")

        self.scaler = gst.element_factory_make("videoscale", "vscale")

        self.window_id = None

        self.windowId = windowId

        self.fvidscale_cap = gst.element_factory_make("capsfilter", "fvidscale_cap")

        self.fvidscale_cap.set_property('caps', gst.caps_from_string('video/x-raw-yuv, width=320, height=240'))

        self.player.add(self.source, self.scaler, self.fvidscale_cap, self.sink)

        gst.element_link_many(self.source,self.scaler, self.fvidscale_cap, self.sink)

        self.s = MySink()

        self.player.add(self.s)

#        self.scaler.link(self.s)

        bus = self.player.get_bus()

        bus.add_signal_watch()

#        bus.enable_sync_message_emission() # with this we segv

#        bus.connect("message", self.on_message) # with this we segv

        bus.connect("sync-message::element", self.on_sync_message)

    def on_message(self, bus, message):

        print "msg", bus, message

        t = message.type

        if t == gst.MESSAGE_EOS:

            self.player.set_state(gst.STATE_NULL)

        elif t == gst.MESSAGE_ERROR:

           err, debug = message.parse_error()

           print "Error: %s" % err, debug

           self.player.set_state(gst.STATE_NULL)

    def on_sync_message(self, bus, message):

        print "syncmsg", bus, message

        if message.structure is None:

            return

        message_name = message.structure.get_name()

        if message_name == "prepare-xwindow-id":

            print "pxi"

            win_id = self.windowId

            assert win_id

            imagesink = message.src

            imagesink.set_property("force-aspect-ratio", True)

            print "set_xwindow_id"

            imagesink.set_xwindow_id(win_id)

            print "dnoe msg"

    def startPrev(self):

        self.player.set_state(gst.STATE_PLAYING)

        print "should be playing"

class MainWin(QtGui.QMainWindow):

    def __init__(self, *args):

        super(MainWin, self).__init__(*args)

        uic.loadUi('light9/vidref/vidref.ui', self)

        v = Vid(self.liveView.winId())

        v.startPrev()

    @QtCore.pyqtSlot()

    def startLiveView(self):

        print "slv"

<?xml version="1.0"?>

<interface>

  <requires lib="gtk+" version="2.16"/>

  <!-- interface-naming-policy project-wide -->

  <object class="GtkWindow" id="MainWindow">

    <property name="default_width">500</property>

    <property name="default_height">500</property>

    <child>

      <object class="GtkFixed" id="fixed1">

        <property name="visible">True</property>

        <child>

          <object class="GtkLabel" id="label1">

            <property name="width_request">85</property>

            <property name="height_request">20</property>

            <property name="visible">True</property>

            <property name="yalign">0.47999998927116394</property>

            <property name="label" translatable="yes">Live view</property>

          </object>

          <packing>

            <property name="x">5</property>

            <property name="y">16</property>

          </packing>

        </child>

        <child>

          <object class="GtkImage" id="liveVideo">

            <property name="width_request">320</property>

            <property name="height_request">240</property>

            <property name="visible">True</property>

          </object>

          <packing>

            <property name="x">6</property>

            <property name="y">40</property>

          </packing>

        </child>

        <child>

          <object class="GtkFrame" id="frame1">

            <property name="width_request">338</property>

            <property name="height_request">269</property>

            <property name="visible">True</property>

            <property name="label_xalign">0</property>

            <property name="shadow_type">out</property>

            <child>

              <object class="GtkAlignment" id="alignment1">

                <property name="visible">True</property>

                <property name="left_padding">12</property>

                <child>

                  <object class="GtkDrawingArea" id="vid3">

                    <property name="width_request">100</property>

                    <property name="height_request">80</property>

                    <property name="visible">True</property>

                  </object>

                </child>

              </object>

            </child>

            <child type="label">

              <object class="GtkLabel" id="label2">

                <property name="visible">True</property>

                <property name="label" translatable="yes">&lt;b&gt;Live view&lt;/b&gt;</property>

                <property name="use_markup">True</property>

              </object>

            </child>

          </object>

          <packing>

            <property name="x">332</property>

            <property name="y">28</property>

          </packing>

        </child>

      </object>

    </child>

  </object>

</interface>

<?xml version="1.0" encoding="UTF-8"?>

<ui version="4.0">

 <class>MainWindow</class>

 <widget class="QMainWindow" name="MainWindow">

  <property name="geometry">

   <rect>

    <x>0</x>

    <y>0</y>

    <width>863</width>

    <height>728</height>

   </rect>

  </property>

  <property name="windowTitle">

   <string>MainWindow</string>

  </property>

  <widget class="QWidget" name="centralwidget">

   <widget class="QLabel" name="label">

    <property name="geometry">

     <rect>

      <x>20</x>

      <y>260</y>

      <width>251</width>

      <height>16</height>

     </rect>

    </property>

    <property name="text">

     <string>Live view</string>

    </property>

   </widget>

   <widget class="QWidget" name="liveView" native="true">

    <property name="geometry">

     <rect>

      <x>20</x>

      <y>10</y>

      <width>320</width>

      <height>240</height>

     </rect>

    </property>

   </widget>

   <widget class="QCheckBox" name="checkBox">

    <property name="geometry">

     <rect>

      <x>50</x>

      <y>280</y>

      <width>121</width>

      <height>19</height>

     </rect>

    </property>

    <property name="text">

     <string>enabled</string>

    </property>

    <property name="checked">

     <bool>true</bool>

    </property>

   </widget>

   <widget class="QTableWidget" name="tableWidget">

    <property name="geometry">

     <rect>

      <x>50</x>

      <y>470</y>

      <width>171</width>

      <height>121</height>

     </rect>

    </property>

    <row>

     <property name="text">

      <string>song</string>

     </property>

    </row>

    <row>

     <property name="text">

      <string>time</string>

     </property>

    </row>

    <column>

     <property name="text">

      <string>value</string>

     </property>

    </column>

    <item row="0" column="0">

     <property name="text">

      <string>whatever</string>

     </property>

    </item>

   </widget>

   <widget class="QLabel" name="label_3">

    <property name="geometry">

     <rect>

      <x>40</x>

      <y>340</y>

      <width>52</width>

      <height>13</height>

     </rect>

    </property>

    <property name="text">

     <string>Song</string>

    </property>

   </widget>

   <widget class="QLabel" name="label_4">

    <property name="geometry">

     <rect>

      <x>40</x>

      <y>360</y>

      <width>52</width>

      <height>13</height>

     </rect>

    </property>

    <property name="text">

     <string>Time</string>

    </property>

   </widget>

   <widget class="QLineEdit" name="lineEdit">

    <property name="geometry">

     <rect>

      <x>90</x>

      <y>330</y>

      <width>113</width>

      <height>23</height>

     </rect>

    </property>

   </widget>

   <widget class="QLineEdit" name="lineEdit_2">

    <property name="geometry">

     <rect>

      <x>90</x>

      <y>360</y>

      <width>113</width>

      <height>23</height>

     </rect>

    </property>

   </widget>

   <widget class="QScrollArea" name="scrollArea">

    <property name="geometry">

     <rect>

      <x>570</x>

      <y>330</y>

      <width>191</width>

      <height>191</height>

     </rect>

    </property>

    <property name="widgetResizable">

     <bool>true</bool>

    </property>

    <widget class="QWidget" name="scrollAreaWidgetContents">

     <property name="geometry">

      <rect>

       <x>0</x>

       <y>0</y>

       <width>189</width>

       <height>189</height>

      </rect>

     </property>

    </widget>

   </widget>

   <widget class="QGroupBox" name="groupBox">

    <property name="geometry">

     <rect>

      <x>270</x>

      <y>310</y>

      <width>411</width>

      <height>331</height>

     </rect>

    </property>

    <property name="title">

     <string>Replay from 16:10</string>

    </property>

    <widget class="QGraphicsView" name="graphicsView_2">

     <property name="geometry">

      <rect>

       <x>20</x>

       <y>30</y>

       <width>311</width>

       <height>231</height>

      </rect>

     </property>

    </widget>

    <widget class="QCheckBox" name="checkBox_2">

     <property name="geometry">

      <rect>

       <x>60</x>

       <y>270</y>

       <width>191</width>

       <height>19</height>

      </rect>

     </property>

     <property name="text">

      <string>follow current time</string>

     </property>

    </widget>

    <zorder>graphicsView_2</zorder>

    <zorder>graphicsView_2</zorder>

    <zorder>checkBox_2</zorder>

   </widget>

  </widget>

  <widget class="QMenuBar" name="menubar">

   <property name="geometry">

    <rect>

     <x>0</x>

     <y>0</y>

     <width>863</width>

     <height>21</height>

    </rect>

   </property>

  </widget>

  <widget class="QStatusBar" name="statusbar"/>

  <widget class="QToolBar" name="toolBar">

   <property name="windowTitle">

    <string>toolBar</string>

   </property>

   <attribute name="toolBarArea">

    <enum>TopToolBarArea</enum>

   </attribute>

   <attribute name="toolBarBreak">

    <bool>false</bool>

   </attribute>

  </widget>

  <widget class="QToolBar" name="toolBar_2">

   <property name="windowTitle">

    <string>toolBar_2</string>

   </property>

   <attribute name="toolBarArea">

    <enum>TopToolBarArea</enum>

   </attribute>

   <attribute name="toolBarBreak">

    <bool>false</bool>

   </attribute>

  </widget>

 </widget>

 <resources/>

 <connections/>

 <slots>

  <slot>startLiveView()</slot>

 </slots>

</ui>