Mike Brady
60143518c2
- 48,000 frames per second operation, - 48k lossless stereo, 5.1 and 7.1 surround sound - Multichannel and multi rate operation on ALSA, PipeWire, PulseAudio, FreeBSD, stdout and unix pipe output backends. Automatic, flexible and controllable output format (rate, sample format and channel count) selection. Full FFmpeg integration to support transcoding, resampling, and new audio formats. Better operation on lower powered devices down to e.g. Raspberry Pi B. Reduced Docker image sizes with a slimmed-down FFmpeg library. Enhanced timestamp handling for better synchronization. Improved the sync error calculation. A new "vernier" resampling and interpolation method for low-power CPUs. Bug fixes and minor enhancements. Note -- there are many breaking changes from previous versions of Shairport Sync!
144 lines
4.5 KiB
Docker
144 lines
4.5 KiB
Docker
# Classic Shairport-Sync build. Note: the only decoder in FFmpeg is ALAC.
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ARG SHAIRPORT_SYNC_BRANCH=.
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ARG FFMPEG_BRANCH=release/7.1
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ARG ALPINE_VERSION=20250108
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##### FFMPEGLITE #####
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FROM alpine:$ALPINE_VERSION AS ffmpeglite
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RUN apk -U add build-base git nasm pkgconf
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RUN mkdir -p /ffmpeg_sources /ffmpeg_build
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WORKDIR /ffmpeg_sources
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ARG FFMPEG_BRANCH
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RUN git clone --depth=1 -b "$FFMPEG_BRANCH" https://git.ffmpeg.org/ffmpeg.git
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WORKDIR /ffmpeg_sources/ffmpeg
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RUN ./configure \
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--prefix="/ffmpeg_build" \
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--extra-libs="-lpthread -lm" \
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--ld="g++" \
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--disable-static \
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--enable-shared \
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--enable-gpl \
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--disable-programs \
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--disable-everything \
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--disable-doc \
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--disable-iconv \
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--disable-avdevice \
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--disable-avfilter \
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--disable-swscale \
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--disable-network \
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--disable-iamf \
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--disable-pixelutils \
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--disable-postproc \
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--enable-decoder=alac
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RUN make
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RUN make install
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##### FFMPEGLITE END #####
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##### SPS #####
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FROM alpine:$ALPINE_VERSION AS shairport-sync
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RUN apk -U add \
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pkgconf \
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alsa-lib-dev \
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autoconf \
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automake \
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avahi-dev \
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build-base \
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dbus \
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git \
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libconfig-dev \
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openssl-dev \
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libsndfile-dev \
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libtool \
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pipewire-dev \
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mosquitto-dev \
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popt-dev \
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pulseaudio-dev \
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soxr-dev \
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xxd
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ARG SHAIRPORT_SYNC_BRANCH
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WORKDIR /shairport-sync
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COPY . .
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RUN rm -rf build
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# the above three lines or the following...
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# RUN git clone --depth=1 -b "SHAIRPORT_SYNC_BRANCH" https://github.com/mikebrady/sps-private shairport-sync
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COPY --from=ffmpeglite /ffmpeg_build/lib/ /usr/local/lib
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COPY --from=ffmpeglite /ffmpeg_build/lib/pkgconfig/*.pc /usr/local/lib/pkgconfig/
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COPY --from=ffmpeglite /ffmpeg_build/include/ /usr/local/include
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# RUN git checkout "$SHAIRPORT_SYNC_BRANCH"
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# the following is to remove any build directory that might be there
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# not needed if the source is a clone of the repository
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# RUN rm -rf build
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WORKDIR /shairport-sync/build
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RUN autoreconf -i ../
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RUN ../configure --sysconfdir=/etc --with-alsa --with-pulseaudio --with-soxr --with-avahi --with-ssl=openssl \
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--with-ffmpeg --with-metadata --with-dummy --with-pipe --with-dbus-interface \
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--with-stdout --with-mpris-interface --with-mqtt-client \
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--with-convolution --with-pipewire
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RUN make
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RUN DESTDIR=install make install
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WORKDIR /
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##### SPS END #####
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##### STATIC FILES #####
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FROM scratch AS files
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# Add run script that will start SPS
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COPY --chmod=755 ./docker/classic/run.sh ./run.sh
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COPY ./docker/etc/pulse /etc/pulse
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##### END STATIC FILES #####
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##### BUILD FILES #####
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FROM scratch AS build-files
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COPY --from=ffmpeglite /ffmpeg_build/lib/ /usr/local/lib
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COPY --from=shairport-sync /shairport-sync/build/install/usr/local/bin/shairport-sync /usr/local/bin/shairport-sync
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COPY --from=shairport-sync /shairport-sync/build/install/usr/local/share/man/man1 /usr/share/man/man1
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COPY --from=shairport-sync /shairport-sync/build/install/etc/shairport-sync.conf /etc/
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COPY --from=shairport-sync /shairport-sync/build/install/etc/shairport-sync.conf.sample /etc/
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COPY --from=shairport-sync /shairport-sync/build/install/etc/dbus-1/system.d/shairport-sync-dbus.conf /etc/dbus-1/system.d/
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COPY --from=shairport-sync /shairport-sync/build/install/etc/dbus-1/system.d/shairport-sync-mpris.conf /etc/dbus-1/system.d/
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##### END BUILD FILES #####
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# Shairport Sync Runtime System
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FROM alpine:$ALPINE_VERSION
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COPY --from=build-files / /
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RUN apk --no-cache add \
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alsa-lib \
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avahi \
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dbus \
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glib \
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libconfig \
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pipewire \
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libpulse \
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libcrypto3 \
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mosquitto \
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popt \
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soxr \
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curl && \
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rm -rfv /lib/apk/db/* && \
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rm -rfv /etc/avahi/services/*.service && \
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rm -rf /usr/share/man && \
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addgroup shairport-sync && \
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adduser -D shairport-sync -G shairport-sync && \
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addgroup -g 29 docker_audio && \
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addgroup shairport-sync docker_audio && \
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addgroup shairport-sync audio && \
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mkdir -p /run/dbus
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# Removed anything we don't need.
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# Removed any statically-defined Avahi services, e.g. SSH and SFTP
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# Created non-root user for running the container -- running as the user 'shairport-sync' also allows
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# Shairport Sync to provide the D-Bus and MPRIS interfaces within the container
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# Added the shairport-sync user to the pre-existing audio group, which has ID 29, for access to the ALSA stuff
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COPY --from=files / /
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ENTRYPOINT ["./run.sh"]
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