Merge pull request #316 from ferdnyc/python-example

Add a Python example in src/examples/Example.py

Author: ferdnyc

src/examples/Example.py

@@ -0,0 +1,78 @@
+#!/usr/bin/env python3
+
+"""
+ @file
+ @brief Python source file for openshot.py example
+ @author Jonathan Thomas <[email protected]>
+ @author FeRD (Frank Dana) <[email protected]>
+
+ @ref License
+"""
+
+# LICENSE
+#
+# Copyright (c) 2008-2019 OpenShot Studios, LLC
+# <http://www.openshotstudios.com/>. This file is part of
+# OpenShot Library (libopenshot), an open-source project dedicated to
+# delivering high quality video editing and animation solutions to the
+# world. For more information visit <http://www.openshot.org/>.
+#
+# OpenShot Library (libopenshot) is free software: you can redistribute it
+# and/or modify it under the terms of the GNU Lesser General Public License
+# as published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# OpenShot Library (libopenshot) 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 Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
+
+import sys
+
+# This can be run against an uninstalled build of libopenshot, just set the
+# environment variable PYTHONPATH to the location of the Python bindings.
+#
+# For example:
+# $ PYTHONPATH=../../build/src/bindings/python python3 Example.py
+#
+import openshot
+
+
+# Create an FFmpegReader
+r = openshot.FFmpegReader("sintel_trailer-720p.mp4")
+
+r.Open()         # Open the reader
+r.DisplayInfo()  # Display metadata
+
+# Set up Writer
+w = openshot.FFmpegWriter("pythonExample.mp4")
+
+w.SetAudioOptions(True, "libmp3lame", r.info.sample_rate, r.info.channels, r.info.channel_layout, 128000)
+w.SetVideoOptions(True, "libx264", openshot.Fraction(30000, 1000), 1280, 720,
+                  openshot.Fraction(1, 1), False, False, 3000000)
+
+w.info.metadata["title"] = "testtest"
+w.info.metadata["artist"] = "aaa"
+w.info.metadata["album"] = "bbb"
+w.info.metadata["year"] = "2015"
+w.info.metadata["description"] = "ddd"
+w.info.metadata["comment"] = "eee"
+w.info.metadata["comment"] = "comment"
+w.info.metadata["copyright"] = "copyright OpenShot!"
+
+# Open the Writer
+w.Open()
+
+# Grab 30 frames from Reader and encode to Writer
+for frame in range(100):
+    f = r.GetFrame(frame)
+    w.WriteFrame(f)
+
+# Close out Reader & Writer
+w.Close()
+r.Close()
+
+print("Completed successfully!")