factor/extra/gir/samples/lowlevel/gstreamer/gstreamer.factor

64 lines
1.9 KiB
Factor

! Copyright (C) 2010 Anton Gorenko.
! See http://factorcode.org/license.txt for BSD license.
USING: alien.c-types alien.strings fry byte-arrays classes.struct
io.encodings.utf8 kernel locals math prettyprint
gstreamer.ffi glib.ffi gobject.ffi gtk.ffi ;
IN: gir.samples.lowlevel.gstreamer
! CONSTANT: uri "http://www.xiph.org/vorbis/listen/compilation-ogg-q4.ogg"
CONSTANT: uri "http://tinyvid.tv/file/3gocxnjott7wr.ogg"
:: gstreamer-win ( -- window )
f f gst_init
"playbin" "player" [ utf8 string>alien ] bi@ gst_element_factory_make :> pipeline
GValue <struct> :> value
value G_TYPE_STRING g_value_init drop
value uri utf8 string>alien g_value_set_string
pipeline "uri" utf8 string>alien value g_object_set_property
! pipeline GST_STATE_PLAYING gst_element_set_state drop
GTK_WINDOW_TOPLEVEL gtk_window_new :> window
window
[ "GStreamer" utf8 string>alien gtk_window_set_title ]
[ 300 200 gtk_window_set_default_size ]
[ GTK_WIN_POS_CENTER gtk_window_set_position ] tri
gtk_fixed_new :> frame
window frame gtk_container_add
"Start" utf8 string>alien gtk_button_new_with_label :> button
button 140 30 gtk_widget_set_size_request
frame button 80 60 gtk_fixed_put
button "clicked" utf8 string>alien
[ nip GST_STATE_PLAYING gst_element_set_state drop ] GtkButton:clicked
pipeline f 0 g_signal_connect_data drop
window "destroy" utf8 string>alien
[
nip [ GST_STATE_NULL gst_element_set_state drop ]
[ gst_object_unref ] bi
] GtkObject:destroy
pipeline f 0 g_signal_connect_data drop
window ;
:: gstreamer-main ( -- )
f f gtk_init
gstreamer-win :> window
window "destroy" utf8 string>alien
[ 2drop gtk_main_quit ] GtkObject:destroy
f f 0 g_signal_connect_data drop
window gtk_widget_show_all
gtk_main ;
MAIN: gstreamer-main