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Fix DAB audio pipeline using ffmpeg for resampling

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DevBench 2026-02-03 22:59:13 +00:00
parent 640c5b0b3e
commit d9fb221f34
3 changed files with 32 additions and 2 deletions
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30
Dockerfile.hotfix Normal file
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@ -0,0 +1,30 @@
# Stage 1: Build dablin from source
FROM debian:bookworm-slim AS builder
RUN apt-get update && apt-get install -y \
git cmake make g++ \
pkg-config libncurses-dev libsdl2-dev \
libfaad-dev libmpg123-dev libfftw3-dev \
&& rm -rf /var/lib/apt/lists/*
RUN git clone https://github.com/Opendigitalradio/dablin.git /src/dablin
WORKDIR /src/dablin
RUN mkdir build && cd build && cmake .. && make
# Stage 2: Final image (based on openwebrx base to ensure compatibility or full?)
# Using jketterl/openwebrx:latest as base
FROM jketterl/openwebrx:latest
# Install sox and runtime deps for dablin
# libfaad2 is required. libmpg123-0 is likely required for new dablin.
RUN apt-get update && apt-get install -y sox ffmpeg libfaad2 libmpg123-0 libsdl2-2.0-0 && rm -rf /var/lib/apt/lists/*
# Copy new dablin binary
COPY --from=builder /src/dablin/build/src/dablin /usr/local/bin/dablin
# Patch files
COPY owrx/dab/dablin.py /opt/openwebrx/owrx/dab/dablin.py
COPY csdr/chain/dablin.py /opt/openwebrx/csdr/chain/dablin.py
# Bytecode compile
RUN python3 -m py_compile /opt/openwebrx/owrx/dab/dablin.py /opt/openwebrx/csdr/chain/dablin.py

2
docker/scripts/install-dependencies.sh
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@ -21,7 +21,7 @@ function cmakebuild() {
cd /tmp
STATIC_PACKAGES="libfftw3-single3 libfftw3-double3 python3 python3-setuptools python3-paho-mqtt netcat-openbsd libsndfile1 liblapack3 libusb-1.0-0 libqt5core5a libreadline8 libgfortran5 libgomp1 libasound2 libudev1 ca-certificates libpulse0 libfaad2 libopus0 libboost-program-options1.74.0 libboost-log1.74.0 libcurl4 libncurses6 libliquid1 libconfig++9v5"
STATIC_PACKAGES="libfftw3-single3 libfftw3-double3 python3 python3-setuptools python3-paho-mqtt netcat-openbsd libsndfile1 liblapack3 libusb-1.0-0 libqt5core5a libreadline8 libgfortran5 libgomp1 libasound2 libudev1 ca-certificates libpulse0 libfaad2 libopus0 libboost-program-options1.74.0 libboost-log1.74.0 libcurl4 libncurses6 libliquid1 libconfig++9v5 sox"
BUILD_PACKAGES="wget git libsndfile1-dev libfftw3-dev cmake make gcc g++ liblapack-dev texinfo gfortran libusb-1.0-0-dev qtbase5-dev qtmultimedia5-dev qttools5-dev libqt5serialport5-dev qttools5-dev-tools asciidoctor asciidoc libasound2-dev libudev-dev libhamlib-dev patch xsltproc qt5-qmake libfaad-dev libopus-dev libboost-dev libboost-program-options-dev libboost-log-dev libboost-regex-dev libpulse-dev libcurl4-openssl-dev libncurses-dev xz-utils libliquid-dev libconfig++-dev autoconf automake"
apt-get update
apt-get -y install auto-apt-proxy

2
owrx/dab/dablin.py
View file

@ -12,7 +12,7 @@ class DablinModule(ExecModule):
)
def _buildArgs(self):
return ["dablin", "-p", "-s", "{:#06x}".format(self.serviceId)]
return ["bash", "-c", "dablin -u -s {:#06x} | ffmpeg -v error -i pipe:0 -f f32le -ar 48000 -ac 2 pipe:1".format(self.serviceId)]
def setDabServiceId(self, serviceId: int) -> None:
self.serviceId = serviceId