
Switch to the FFMpeg ExoPlayer extension, which should enable support for ALAC while also retaining support for FLAC below Android 8.
136 lines
5.3 KiB
Python
Executable file
136 lines
5.3 KiB
Python
Executable file
#!/usr/bin/env python3
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# This script automatically assembles any required ExoPlayer extensions or components as
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# an AAR blob. This method is not only faster than depending on ExoPlayer outright as we
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# only need to build our components once, it's also easier to use with Android Studio, which
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# tends to get bogged down when we include a massive source repository as part of the gradle
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# project. This script may change from time to time depending on the components or extensions
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# that I leverage. It's recommended to re-run it after every release to ensure consistent
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# behavior.
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# As for why I wrote this in Python and not Bash, it's because Bash really does not have
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# the capabilities for a nice, seamless pre-build process.
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import os
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import platform
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import sys
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import subprocess
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import re
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# WARNING: THE EXOPLAYER VERSION MUST BE KEPT IN LOCK-STEP WITH THE FFMPEG EXTENSION AND
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# THE GRADLE DEPENDENCY. IF NOT, VERY UNFRIENDLY BUILD FAILURES AND CRASHES MAY ENSUE.
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OK="\033[1;32m" # Bold green
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FATAL="\033[1;31m" # Bold red
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WARN="\033[1;33m" # Bold yellow
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RUN="\033[1;34m" # Bold blue
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INFO="\033[1m" # Bold white
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NC="\033[0m"
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# We do some shell scripting later on, so we can't support windows.
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# TODO: Support windows
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system = platform.system()
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if system not in ["Linux", "Darwin"]:
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print("fatal: unsupported platform " + system)
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sys.exit(1)
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def sh(cmd):
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print(RUN + "execute: " + NC + cmd)
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code = subprocess.call(["sh", "-c", "set -e; " + cmd])
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if code != 0:
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print(FATAL + "fatal:" + NC + " command failed with exit code " + str(code))
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sys.exit(1)
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start_path = os.path.join(os.path.abspath(os.curdir))
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libs_path = os.path.join(start_path, "app", "libs")
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if os.path.exists(libs_path):
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reinstall = input(INFO + "info:" + NC + " exoplayer is already installed. " +
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"would you like to reinstall it? [y/n] ")
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if not re.match("[yY][eE][sS]|[yY]", reinstall):
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sys.exit(0)
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exoplayer_path = os.path.join(start_path, "app", "build", "srclibs", "exoplayer")
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# Ensure that there is always an SDK environment variable.
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# Technically there is also an sdk.dir field in local.properties, but that does
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# not work when you clone a project without a local.properties.
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if os.getenv("ANDROID_HOME") is None and os.getenv("ANDROID_SDK_ROOT") is None:
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print(FATAL + "fatal:" + NC + " sdk location not found. please define " +
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"ANDROID_HOME/ANDROID_SDK_ROOT before continuing.")
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sys.exit(1)
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ndk_path = os.getenv("ANDROID_NDK_HOME")
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if ndk_path is None or not os.path.isfile(os.path.join(ndk_path, "ndk-build")):
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# We don't have a proper path. Do some digging on the Android SDK directory
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# to see if we can find it.
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if system == "Linux":
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ndk_root = os.path.join(os.getenv("HOME"), "Android", "Sdk", "ndk")
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elif system == "Darwin":
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ndk_root = os.path.join(os.getenv("HOME"), "Library", "Android", "sdk", "ndk")
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candidates = []
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for entry in os.scandir(ndk_root):
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if entry.is_dir():
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candidates.append(entry.path)
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if len(candidates) > 0:
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print(WARN + "warn:" + NC + " ANDROID_NDK_HOME was not set or invalid. multiple " +
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"candidates were found however:")
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for i, candidate in enumerate(candidates):
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print("[" + str(i) + "] " + candidate)
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print(INFO + "info:" + NC + " NDK r21e is recommended for this script. Other " +
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"NDKs may result in unexpected behavior.")
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try:
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ndk_path = candidates[int(input("enter the ndk to use [default 0]: "))]
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except ValueError:
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ndk_path = candidates[0]
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else:
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print(FATAL + "fatal:" + NC + " the android ndk was not installed at a " +
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"recognized location.")
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sys.exit(1)
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ndk_build_path = os.path.join(ndk_path, "ndk-build")
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# Now try to install ExoPlayer.
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sh("rm -rf " + exoplayer_path)
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sh("rm -rf " + libs_path)
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print(INFO + "info:" + NC + " cloning exoplayer...")
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sh("git clone https://github.com/OxygenCobalt/ExoPlayer.git " + exoplayer_path)
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os.chdir(exoplayer_path)
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sh("git checkout auxio")
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print(INFO + "info:" + NC + " assembling ffmpeg extension...")
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if system == "Linux":
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host = "linux-x86_64"
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elif system == "Darwin":
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host = "darwin-x86_64"
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ffmpeg_ext_path = os.path.join(exoplayer_path, "extensions", "ffmpeg", "src", "main")
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ffmpeg_ext_aar_path = os.path.join(exoplayer_path, "extensions", "ffmpeg", "buildout", "outputs", "aar", "extension-ffmpeg-release.aar")
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ffmpeg_ext_jni_path = os.path.join(exoplayer_path, "extensions", "ffmpeg", "src", "main", "jni")
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ffmpeg_src_path = os.path.join(ffmpeg_ext_jni_path, "ffmpeg")
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os.chdir(ffmpeg_ext_jni_path)
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sh("git clone git://source.ffmpeg.org/ffmpeg ffmpeg")
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os.chdir(ffmpeg_src_path)
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sh("git checkout release/4.2")
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os.chdir(ffmpeg_ext_jni_path)
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sh('./build_ffmpeg.sh "' + ffmpeg_ext_path + '" "' + ndk_path + '" "' + host + '" "' + "flac" + '" "' + "alac" + '"')
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os.chdir(exoplayer_path)
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sh("./gradlew extension-ffmpeg:bundleReleaseAar")
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print(INFO + "info:" + NC + " assembling extractor component...")
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extractor_aar_path = os.path.join(exoplayer_path, "library", "extractor",
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"buildout", "outputs", "aar", "library-extractor-release.aar")
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sh("./gradlew library-extractor:bundleReleaseAar")
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os.chdir(start_path)
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sh("mkdir " + libs_path)
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sh("cp " + ffmpeg_ext_aar_path + " " + libs_path)
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sh("cp " + extractor_aar_path + " " + libs_path)
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print(OK + "success:" + NC + " completed pre-build")
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