From 9d58e15b3926a20ec30e6b8930a3d6e08f58a4f2 Mon Sep 17 00:00:00 2001
From: austinried <4966622+austinried@users.noreply.github.com>
Date: Tue, 7 Sep 2021 14:40:22 +0900
Subject: [PATCH] build and use ffmpeg extension

pointing at my own repo for RNTP to enable extensions in exoplayer
new prepare script needs to be run to build ffmpeg
---
 .gitignore                          |  3 +++
 android/app/build.gradle            |  1 +
 package.json                        |  2 +-
 scripts/prepare-exoplayer-ffmpeg.sh | 27 +++++++++++++++++++++++++++
 yarn.lock                           |  5 ++---
 5 files changed, 34 insertions(+), 4 deletions(-)
 create mode 100755 scripts/prepare-exoplayer-ffmpeg.sh

diff --git a/.gitignore b/.gitignore
index ad572e6..466c372 100644
--- a/.gitignore
+++ b/.gitignore
@@ -57,3 +57,6 @@ buck-out/
 
 # CocoaPods
 /ios/Pods/
+
+# ffmpeg build
+/ndk
diff --git a/android/app/build.gradle b/android/app/build.gradle
index 52cde2a..3f02ece 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -225,6 +225,7 @@ dependencies {
         exclude group:'com.google.android.exoplayer'
     }
     implementation project(':exoplayer-library-core')
+    implementation project(':exoplayer-extension-ffmpeg')
     compileOnly project(':exoplayer-library-dash')
     compileOnly project(':exoplayer-library-hls')
     compileOnly project(':exoplayer-library-smoothstreaming')
diff --git a/package.json b/package.json
index 67cd87c..f83cda5 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "react-native-safe-area-context": "^3.2.0",
     "react-native-screens": "^3.4.0",
     "react-native-tab-view": "^2.16.0",
-    "react-native-track-player": "^2.0.3",
+    "react-native-track-player": "https://github.com/austinried/react-native-track-player",
     "react-native-vector-icons": "^8.1.0",
     "react-native-webview": "^11.13.0",
     "uuid": "^8.3.2",
diff --git a/scripts/prepare-exoplayer-ffmpeg.sh b/scripts/prepare-exoplayer-ffmpeg.sh
new file mode 100755
index 0000000..87740a1
--- /dev/null
+++ b/scripts/prepare-exoplayer-ffmpeg.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+set -e
+
+dir=$(dirname "$(readlink -f "$0")")
+root=$(realpath "$dir/..")
+
+FFMPEG_EXT_PATH="$root/submodules/ExoPlayer/extensions/ffmpeg/src/main/jni"
+HOST_PLATFORM="linux-x86_64"
+ENABLED_DECODERS=(alac)
+
+ndkLocalPath="$root/ndk/android-ndk-r21e"
+ndkDownloadZip="$root/ndk/ndk.zip"
+
+if [ -z "$NDK_PATH" ] && [ ! -e "$ndkLocalPath" ]; then
+    mkdir -p "$root/ndk"
+    wget https://dl.google.com/android/repository/android-ndk-r21e-linux-x86_64.zip -O "$ndkDownloadZip"
+    unzip -d "$root/ndk" "$ndkDownloadZip"
+    rm "$ndkDownloadZip"
+fi
+
+if [ -z "$NDK_PATH" ] && [ -e "$ndkLocalPath" ]; then
+    NDK_PATH="$root/ndk/android-ndk-r21e"
+fi
+
+cd "${FFMPEG_EXT_PATH}"
+./build_ffmpeg.sh "${FFMPEG_EXT_PATH}" "${NDK_PATH}" "${HOST_PLATFORM}" "${ENABLED_DECODERS[@]}"
+"${NDK_PATH}/ndk-build" APP_ABI="armeabi-v7a arm64-v8a x86 x86_64" -j4
diff --git a/yarn.lock b/yarn.lock
index 4f91841..fec0126 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5592,10 +5592,9 @@ react-native-tab-view@^2.16.0:
   resolved "https://registry.yarnpkg.com/react-native-tab-view/-/react-native-tab-view-2.16.0.tgz#cae72c7084394bd328fac5fefb86cd966df37a86"
   integrity sha512-ac2DmT7+l13wzIFqtbfXn4wwfgtPoKzWjjZyrK1t+T8sdemuUvD4zIt+UImg03fu3s3VD8Wh/fBrIdcqQyZJWg==
 
-react-native-track-player@^2.0.3:
+"react-native-track-player@https://github.com/austinried/react-native-track-player":
   version "2.0.3"
-  resolved "https://registry.yarnpkg.com/react-native-track-player/-/react-native-track-player-2.0.3.tgz#a2648e2468f8502359b4678655573501d46f0c64"
-  integrity sha512-XV+92szbnf4FcByzfT62fN+iT9o0WhoMgDFl63Jf4gk6vw6VOFchPOoHKHW0XqgnO4vIit8CFc8u945l8vSSuQ==
+  resolved "https://github.com/austinried/react-native-track-player#24cbbb4a4065ade9a38d2bcdeffa5b6a2f5c3d13"
 
 react-native-vector-icons@^8.1.0:
   version "8.1.0"