olly a779eabdc5 Update SDK / Tools.
- Centralise compileSdkVersion, targetSdkVersion and
  buildToolsVersion in a single place for gradle.
- Bump compileSdkVersion and targetSdkVersion to 24.
- Bump com.android.tools.build version to re-enable
  instant start.
- Bump targetSdkVersion in manifests (needed for
  internal builds).
- Use standard expandable_list_item from Android in
  the demo app, since ours doesn't look right when
  targeting API level 24. We were also setting the
  theme on the wrong element in the manifest, so I'm
  removing that line.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=131929216
2016-09-02 16:12:55 +01:00
..
2016-08-08 11:06:48 +01:00
2016-09-02 16:12:55 +01:00
2016-07-15 18:00:32 +01:00

FfmpegAudioRenderer

Description

The FFmpeg extension is a Renderer implementation that uses FFmpeg to decode audio.

Build instructions

  • Checkout ExoPlayer along with Extensions
git clone https://github.com/google/ExoPlayer.git
  • Set the following environment variables:
cd "<path to exoplayer checkout>"
EXOPLAYER_ROOT="$(pwd)"
FFMPEG_EXT_PATH="${EXOPLAYER_ROOT}/extensions/ffmpeg/src/main"
  • Download the Android NDK and set its location in an environment variable:
NDK_PATH="<path to Android NDK>"
  • Fetch and build ffmpeg.

For example, to fetch and build for armv7a:

cd "${FFMPEG_EXT_PATH}/jni" && \
git clone git://source.ffmpeg.org/ffmpeg ffmpeg && cd ffmpeg && \
./configure \
    --libdir=android-libs/armeabi-v7a \
    --arch=arm \
    --cpu=armv7-a \
    --cross-prefix="${NDK_PATH}/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-" \
    --target-os=android \
    --sysroot="${NDK_PATH}/platforms/android-9/arch-arm/" \
    --extra-cflags="-march=armv7-a -mfloat-abi=softfp" \
    --extra-ldflags="-Wl,--fix-cortex-a8" \
    --extra-ldexeflags=-pie \
    --disable-static \
    --enable-shared \
    --disable-doc \
    --disable-programs \
    --disable-everything \
    --disable-avdevice \
    --disable-avformat \
    --disable-swscale \
    --disable-postproc \
    --disable-avfilter \
    --disable-symver \
    --enable-avresample \
    --enable-decoder=vorbis \
    --enable-decoder=opus \
    --enable-decoder=flac \
    && \
make -j4 && \
make install-libs
  • Build the JNI native libraries.
cd "${FFMPEG_EXT_PATH}"/jni && \
${NDK_PATH}/ndk-build APP_ABI=armeabi-v7a -j4

TODO: Add instructions for other ABIs.

  • In your project, you can add a dependency on the extension by using a rule like this:
// in settings.gradle
include ':..:ExoPlayer:library'
include ':..:ExoPlayer:extension-ffmpeg'

// in build.gradle
dependencies {
    compile project(':..:ExoPlayer:library')
    compile project(':..:ExoPlayer:extension-ffmpeg')
}
  • Now, when you build your app, the extension will be built and the native libraries will be packaged along with the APK.