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rind: Set Title and Artist from gstreamer tags 

This helps us prepare for the about-to-finish signal by setting this
information when gstreamer starts playing the next track.

Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>
This commit is contained in:
Anna Schumaker 2019-03-21 13:11:58 -04:00
parent bd37bfd3f7
commit a48a2ada76
3 changed files with 38 additions and 13 deletions
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2
emmental.ui
View File

@ -104,7 +104,7 @@
</packing>
</child>
<child>
<object class="GtkLabel" id="subtitle">
<object class="GtkLabel" id="artist">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="label" translatable="yes">&lt;big&gt;The Cheesy Music Player&lt;/big&gt;</property>

17
rind/gst.py
View File

@ -15,7 +15,7 @@ PauseButton = gtk.Builder.get_object("pause_button")
PlayButton = gtk.Builder.get_object("play_button")
Position = gtk.Builder.get_object("position")
ProgScale = gtk.Builder.get_object("progress_scale")
Subtitle = gtk.Builder.get_object("subtitle")
Artist = gtk.Builder.get_object("artist")
Title = gtk.Builder.get_object("title")
class EmmentalAudio:
@ -42,8 +42,6 @@ class EmmentalAudio:
self.playbin.set_state(Gst.State.READY)
self.playbin.set_property("uri", f"file://{track.path}")
self.playbin.set_state(Gst.State.PLAYING)
Title.set_markup(f"<big>{GLib.markup_escape_text(track['title'])}</big>")
Subtitle.set_markup(f"<big>by {GLib.markup_escape_text(track['artist'])}</big>")
def next(self, *args):
track = curds.PlaylistManager.next()
@ -55,9 +53,22 @@ class EmmentalAudio:
(old, new, pending) = message.parse_state_changed()
PlayButton.set_visible( new != Gst.State.PLAYING)
PauseButton.set_visible(new == Gst.State.PLAYING)
if new == Gst.State.READY:
Title.set_markup("<big>Emmental</big>")
Artist.set_markup("<big>The Cheesy Music Player</big>")
curds.Notify.notify("state-changed", new)
elif message.type == Gst.MessageType.STREAM_START:
curds.Notify.notify("duration-changed", self.duration())
elif message.type == Gst.MessageType.TAG:
taglist = message.parse_tag()
for i in range(taglist.n_tags()):
name = taglist.nth_tag_name(i)
if name == "artist":
artist = GLib.markup_escape_text(taglist.get_string(name)[1])
Artist.set_markup(f"<big>by {artist}</big>")
elif name == "title":
title = GLib.markup_escape_text(taglist.get_string(name)[1])
Title.set_markup(f"<big>{title}</big>")
return True
def pause(self, *args):

32
rind/test_gst.py
View File

@ -35,12 +35,17 @@ class TestGst(unittest.TestCase):
self.assertIsInstance(audio.bus, Gst.Bus)
self.assertIsInstance(gst.Adjustment, Gtk.Adjustment)
self.assertIsInstance(gst.Artist, Gtk.Label)
self.assertIsInstance(gst.Duration, Gtk.Label)
self.assertIsInstance(gst.NextButton, Gtk.Button)
self.assertIsInstance(gst.PauseButton, Gtk.Button)
self.assertIsInstance(gst.PlayButton, Gtk.Button)
self.assertIsInstance(gst.Position, Gtk.Label)
self.assertIsInstance(gst.ProgScale, Gtk.Scale)
self.assertIsInstance(gst.Title, Gtk.Label)
self.assertEqual(gst.Title.get_text(), "Emmental")
self.assertEqual(gst.Artist.get_text(), "The Cheesy Music Player")
self.assertFalse(gst.PauseButton.is_visible())
self.assertTrue( gst.PlayButton.is_visible())
@ -69,6 +74,13 @@ class TestGst(unittest.TestCase):
self.assertEqual(audio.duration(), 0)
self.assertEqual(audio.progress(), 0)
audio.playbin.set_state(Gst.State.READY)
time.sleep(0.1)
self.main_loop()
GLib.source_remove(audio.timeout)
gst.Position.set_text("00:00")
gst.Duration.set_text("-00:00")
def on_state_changed(self, state):
self.state = state
@ -79,19 +91,18 @@ class TestGst(unittest.TestCase):
audio = gst.EmmentalAudio()
track = curds.Track.lookup(os.path.join(test_album, "10 - Test Track 10.ogg"))
self.main_loop()
self.state = None
self.duration = None
audio.load(track)
while self.state == None or self.duration == None:
while self.state != Gst.State.PLAYING:
time.sleep(0.1)
self.main_loop()
self.assertEqual(self.state, Gst.State.PAUSED)
self.assertEqual(gst.Title.get_text(), track['title'])
self.assertEqual(gst.Subtitle.get_text(), "by " + track["artist"])
self.assertEqual(self.state, Gst.State.PLAYING)
self.assertEqual(gst.Title.get_text(), track['title'])
self.assertEqual(gst.Artist.get_text(), "by " + track["artist"])
self.assertEqual(audio.progress(), 0)
self.assertEqual(audio.position(), 0)
self.assertGreater(audio.progress(), 0)
self.assertGreater(audio.position(), 0)
self.assertEqual(gst.Position.get_text(), "00:00")
while self.state != Gst.State.PLAYING:
@ -149,6 +160,9 @@ class TestGst(unittest.TestCase):
while self.state != Gst.State.PAUSED:
self.main_loop()
audio.playbin.set_state(Gst.State.READY)
time.sleep(0.1)
self.main_loop()
GLib.source_remove(audio.timeout)
gst.Position.set_text("00:00")
gst.Duration.set_text("-00:00")