Wholphin/scripts/ffmpeg/build_ffmpeg_decoder.sh
Ray 4dd44b935c
Add optional AV1 software decoding via dav1d for ExoPlayer (#721)
## Description
Adds the [`dav1d` decoder
module](https://github.com/androidx/media/tree/release/libraries/decoder_av1)
for ExoPlayer as an option. It can be enabled in advanced settings.

Performance will vary between devices.

### Related issues
Closes #103

### Dev notes

As with the ffmpeg module, this one is not required to build the entire
app so it's easier for developers to get started.

This also introduces a customized `DefaultRenderersFactory` for
ExoPlayer, but its largely copied from the super class's implementation.
2026-01-18 18:35:41 -05:00

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#!/usr/bin/env bash
set -ex
if [ -z "$1" ]; then
echo "Error: Must provide NDK path"
exit 1
fi
NDK_PATH="$1"
SCRIPT_PATH="$(realpath "${BASH_SOURCE[0]}")"
SCRIPT_DIR="$(dirname "${SCRIPT_PATH}")"
PROJECT_ROOT="$(realpath "${SCRIPT_DIR}/../../")"
# Config
ANDROID_ABI=21
ENABLED_DECODERS=(dca ac3 eac3 mlp truehd flac alac pcm_mulaw pcm_alaw mp3)
FFMPEG_BRANCH="release/6.0"
DAV1D_BRANCH="1.5.3"
# Path configs
DIR_PATH="$(pwd)"
TARGET_PATH="$PROJECT_ROOT/app/libs"
MEDIA_PATH="$DIR_PATH/ffmpeg_decoder/media"
FFMPEG_MODULE_PATH="$MEDIA_PATH/libraries/decoder_ffmpeg/src/main"
FFMPEG_PATH="$DIR_PATH/ffmpeg_decoder/ffmpeg"
AV1_MODULE_PATH="$MEDIA_PATH/libraries/decoder_av1/src/main"
HOST="$(uname -s | tr '[:upper:]' '[:lower:]')"
HOST_PLATFORM="$HOST-x86_64"
mkdir -p "$TARGET_PATH"
mkdir -p ffmpeg_decoder
echo "$PROJECT_ROOT/gradle/libs.versions.toml"
media_version="$(grep "androidx-media3 = " "$PROJECT_ROOT/gradle/libs.versions.toml" | awk -F'"' '{print $2}')"
pushd ffmpeg_decoder || exit
if [[ -d media ]]; then
pushd media || exit
git checkout --force "$media_version"
else
git clone https://github.com/androidx/media.git --depth 1 --single-branch -b "$media_version" media
fi
if [[ -d ffmpeg ]]; then
pushd ffmpeg || exit
git checkout --force "$FFMPEG_BRANCH"
else
git clone https://github.com/FFmpeg/FFmpeg --depth 1 --single-branch -b "$FFMPEG_BRANCH" ffmpeg
fi
[[ ! -d "${FFMPEG_MODULE_PATH}/jni/ffmpeg" ]] && ln -s "$FFMPEG_PATH" "${FFMPEG_MODULE_PATH}/jni/ffmpeg"
pushd "${FFMPEG_MODULE_PATH}/jni" || exit
./build_ffmpeg.sh "${FFMPEG_MODULE_PATH}" "${NDK_PATH}" "${HOST_PLATFORM}" "${ANDROID_ABI}" "${ENABLED_DECODERS[@]}"
# av1 module
pushd "$AV1_MODULE_PATH/jni" || exit
if [[ ! -d cpu_features ]]; then
git clone https://github.com/google/cpu_features --depth 1 --single-branch cpu_features
fi
pushd "$AV1_MODULE_PATH/jni" || exit
if [[ -d dav1d ]]; then
pushd dav1d || exit
git checkout --force "$DAV1D_BRANCH"
else
git clone https://code.videolan.org/videolan/dav1d --depth 1 --single-branch -b "$DAV1D_BRANCH" dav1d
fi
pushd "$AV1_MODULE_PATH/jni" || exit
/usr/bin/env bash ./build_dav1d.sh "${AV1_MODULE_PATH}" "${NDK_PATH}" "${HOST_PLATFORM}"
pushd "$MEDIA_PATH" || exit
./gradlew :lib-decoder-ffmpeg:assemble :lib-decoder-av1:assemble
popd || exit
popd || exit
cp "$MEDIA_PATH/libraries/decoder_ffmpeg/buildout/outputs/aar/lib-decoder-ffmpeg-release.aar" "$TARGET_PATH/"
cp "$MEDIA_PATH/libraries/decoder_av1/buildout/outputs/aar/lib-decoder-av1-release.aar" "$TARGET_PATH/"
popd || exit