Merge audio-mixing branch

some basic audio features + more user feedback + merging static components

1 files changed, 89 insertions, 0 deletions

diff --git a/src/components/sound.py b/src/components/sound.py
new file mode 100644
index 0000000..4a5714b
--- /dev/null
+++ b/src/components/sound.py
@@ -0,0 +1,89 @@
+from PyQt5 import QtGui, QtCore, QtWidgets
+import os
+
+from component import Component
+from frame import BlankFrame
+
+
+class Component(Component):
+    '''Sound'''
+
+    modified = QtCore.pyqtSignal(int, dict)
+
+    def widget(self, parent):
+        self.parent = parent
+        self.settings = parent.settings
+        page = self.loadUi('sound.ui')
+
+        page.lineEdit_sound.textChanged.connect(self.update)
+        page.pushButton_sound.clicked.connect(self.pickSound)
+
+        self.page = page
+        return page
+
+    def update(self):
+        self.sound = self.page.lineEdit_sound.text()
+        super().update()
+
+    def previewRender(self, previewWorker):
+        width = int(previewWorker.core.settings.value('outputWidth'))
+        height = int(previewWorker.core.settings.value('outputHeight'))
+        return BlankFrame(width, height)
+
+    def preFrameRender(self, **kwargs):
+        pass
+
+    def properties(self):
+        props = ['static', 'audio']
+        if not os.path.exists(self.sound):
+            props.append('error')
+        return props
+
+    def error(self):
+        if not self.sound:
+            return "No audio file selected."
+        if not os.path.exists(self.sound):
+            return "The audio file selected no longer exists!"
+
+    def audio(self):
+        return (self.sound, {})
+
+    def pickSound(self):
+        sndDir = self.settings.value("componentDir", os.path.expanduser("~"))
+        filename, _ = QtWidgets.QFileDialog.getOpenFileName(
+            self.page, "Choose Sound", sndDir,
+            "Audio Files (%s)" % " ".join(self.core.audioFormats))
+        if filename:
+            self.settings.setValue("componentDir", os.path.dirname(filename))
+            self.page.lineEdit_sound.setText(filename)
+            self.update()
+
+    def frameRender(self, layerNo, frameNo):
+        width = int(self.settings.value('outputWidth'))
+        height = int(self.settings.value('outputHeight'))
+        return BlankFrame(width, height)
+
+    def loadPreset(self, pr, presetName=None):
+        super().loadPreset(pr, presetName)
+        self.page.lineEdit_sound.setText(pr['sound'])
+
+    def savePreset(self):
+        return {
+            'sound': self.sound,
+        }
+
+    def commandHelp(self):
+        print('Path to audio file:\n    path=/filepath/to/sound.ogg')
+
+    def command(self, arg):
+        if not arg.startswith('preset=') and '=' in arg:
+            key, arg = arg.split('=', 1)
+            if key == 'path':
+                if '*%s' % os.path.splitext(arg)[1] \
+                        not in self.core.audioFormats:
+                    print("Not a supported audio format")
+                    quit(1)
+                self.page.lineEdit_sound.setText(arg)
+                return
+
+        super().command(arg)