add setup.py, automatic discovery for avconv/ffmpeg, add installation help to readme

.gitignore

@@ -1,2 +1,3 @@
 __pycache__
-settings.ini
+settings.ini
+build/*

README.md

@@ -13,6 +13,25 @@ Dependencies
 ------------
 You need Python 3, PyQt4, PIL (or Pillow), numpy and the program ffmpeg, which is used to read the audio and render the video.
 
+Installation
+------------
+### Manual installation on Ubuntu
+* Get all the python stuff: `sudo apt-get install python3 python3-pyqt4 python3-pil python3-numpy`
+* Get ffmpeg/avconv:
+You can either use `avconv` from the standard repositories (package `libav-tools`) or get `ffmpeg` from the [website](http://ffmpeg.org/) or from a PPA (e.g. [https://launchpad.net/~jon-severinsson/+archive/ubuntu/ffmpeg](https://launchpad.net/~jon-severinsson/+archive/ubuntu/ffmpeg). The program does automatically detect if you don't have the ffmpeg binary and tries to use avconv instead.
+
+Download audio-visualizer-python from this repository and run it with `python3 main.py`.
+
+### Manual installation on Windows
+* Download and install Python 3.4 from [https://www.python.org/downloads/windows/](https://www.python.org/downloads/windows/)
+* Download and install PyQt4 for Python 3.4 and Qt4 from [http://www.riverbankcomputing.co.uk/software/pyqt/download](http://www.riverbankcomputing.co.uk/software/pyqt/download)
+* Download and install numpy from [http://www.scipy.org/scipylib/download.html](http://www.scipy.org/scipylib/download.html). There is an installer available, make sure to get the one for Python 3.4
+* Download and install Pillow from [https://pypi.python.org/pypi/Pillow/2.7.0](https://pypi.python.org/pypi/Pillow/2.7.0)
+* Download and install ffmpeg from [https://www.ffmpeg.org/download.html](https://www.ffmpeg.org/download.html). You can use the static builds.
+* Add ffmpeg to your system PATH environment variable.
+
+Download audio-visualizer-python from this repository and run it from the command line with `C:\Python34\python.exe main.py`.
+
 Example
 -------
 You can find an example video here:

core.py

@@ -1,4 +1,4 @@
-import sys, io
+import sys, io, os
 from PyQt4 import QtCore, QtGui, uic
 from PyQt4.QtGui import QPainter, QColor
 from os.path import expanduser
@@ -13,10 +13,18 @@ class Core():
     self.lastBackgroundImage = ""
     self._image = None
 
+    self.FFMPEG_BIN = self.findFfmpeg()
+
+  def findFfmpeg(self):
     if sys.platform == "win32":
-      self.FFMPEG_BIN = "ffmpeg.exe"
+      return "ffmpeg.exe"
     else:
-      self.FFMPEG_BIN = "ffmpeg" # on Linux and Mac OS
+      try:
+        with open(os.devnull, "w") as f:
+          sp.check_call(['ffmpeg', '-version'], stdout=f, stderr=f)
+        return "ffmpeg"
+      except:
+        return "avconv"
 
   def drawBaseImage(self, backgroundImage, titleText, titleFont):
 

main.py

@@ -109,6 +109,8 @@ class Main(QtCore.QObject):
     self.drawPreview()
 
   def createAudioVisualisation(self):
+    ffmpeg_cmd = self.settings.value("ffmpeg_cmd", expanduser("~"))
+
     self.videoThread = QtCore.QThread(self)
     self.videoWorker = video_thread.Worker(self)
 

setup.py

@@ -0,0 +1,30 @@
+from cx_Freeze import setup, Executable
+
+# Dependencies are automatically detected, but it might need
+# fine tuning.
+buildOptions = dict(packages = [], excludes = [
+  "apport",
+  "apt",
+  "ctypes",
+  "curses",
+  "distutils",
+  "email",
+  "html",
+  "http",
+  "json",
+  "xmlrpc",
+  "nose"
+  ], include_files = ["main.ui"])
+
+import sys
+base = 'Win32GUI' if sys.platform=='win32' else None
+
+executables = [
+    Executable('main.py', base=base, targetName = 'audio-visualizer-python')
+]
+
+setup(name='audio-visualizer-python',
+      version = '1.0',
+      description = 'a little GUI tool to render visualization videos of audio files',
+      options = dict(build_exe = buildOptions),
+      executables = executables)