Add ffmpeg download script

tools/build.py

@@ -21,11 +21,13 @@
 import urllib.request
 import zipfile
 
+
 import diff_archiver
 
 import constants
 
-from tools import bumpup
+
+from tools import bumpup, ffmpegDownloader
 
 
 class build:
@@ -34,6 +36,10 @@ def __init__(self):
 		appveyor = self.setAppVeyor()
 		print("Starting build for %s(appveyor mode=%s)" % (constants.APP_NAME, appveyor))
 
+		# FFmpegがなければダウンロードする
+		if not os.path.isfile("ffmpeg.exe"):
+			self.downloadFFmpeg()
+
 		# パッケージのパスとファイル名を決定
 		package_path = os.path.join("dist", os.path.splitext(os.path.basename(constants.STARTUP_FILE))[0])
 		if 'APPVEYOR_REPO_TAG_NAME' in os.environ:
@@ -78,6 +84,9 @@ def __init__(self):
 			self.makePackageInfo(archive_name, patch_name, build_filename)
 		print("Build finished!")
 
+	def downloadFFmpeg(self):
+		ffmpegDownloader.downloadFFmpeg()
+
 	def runcmd(self,cmd):
 		proc=subprocess.Popen(cmd.split(), shell=True, stdout=1, stderr=2)
 		proc.communicate()

tools/downloadFFmpeg.py

@@ -0,0 +1,12 @@
+import os
+import sys
+sys.path.append(os.getcwd())
+
+from tools import ffmpegDownloader
+
+
+if os.path.isfile("ffmpeg.exe"):
+	print("ffmpeg.exe already exists!")
+else:
+	ffmpegDownloader.downloadFFmpeg()
+# end if

tools/ffmpegDownloader.py

@@ -0,0 +1,21 @@
+import urllib.request
+import os
+import shutil
+import zipfile
+
+def downloadFFmpeg():
+	ffmpegVersion = "6.1.1"
+	remoteFile = "ffmpeg-%s-full_build" % ffmpegVersion
+	url = "https://github.com/GyanD/codexffmpeg/releases/download/%s/%s.zip" % (ffmpegVersion, remoteFile)
+	print("Downloading FFmpeg from %s" % url)
+	urllib.request.urlretrieve(url, "ffmpeg.zip")
+	print("Extracting FFmpeg...")
+	with zipfile.ZipFile("ffmpeg.zip", "r") as zip:
+		zip.extract("%s/bin/ffmpeg.exe" % remoteFile)
+	# end with
+	print("moving ffmpeg.exe to current directory...")
+	shutil.move(os.path.join(remoteFile, "bin", "ffmpeg.exe"), "ffmpeg.exe")
+	print("removing temporary files...")
+	shutil.rmtree(remoteFile)
+	os.remove("ffmpeg.zip")
+	print("got ffmpeg!")