Bug#1072442: openboard: FTBFS with ffmpeg 7.0: src/podcast/ffmpeg/UBFFmpegVideoEncoder.cpp:523:65: error: ‘AVCodecContext’ {aka ‘struct AVCodecContext’} has no member named ‘channels’

[Sebastian Ramacher]

Source: openboard
Version: 1.6.4+dfsg-1
Severity: important
Tags: trixie sid ftbfs
Usertags: ffmpeg-7.0

Hi,

during a rebuild of the reverse dependencies for the transition to
ffmpeg 7.0, your package failed to build


Relevant part (hopefully):
> g++ -c -pipe -std=c++11 -fopenmp -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -std=gnu++1z -w -D_REENTRANT -fPIC -DQAPPLICATION_CLASS=QApplication -DNO_THIRD_PARTY_WARNINGS -DUBVERSION="\"1.6.4."\" -DUBVERSION_RC=1,6,4,240,0927 -DQT_CORE_LIB -DQT_NO_DEBUG -DQT_WEBKITWIDGETS_LIB -DQT_WEBKIT_LIB -DQT_SVG_LIB -DQT_UITOOLS_LIB -DQT_MULTIMEDIAWIDGETS_LIB -DQT_PRINTSUPPORT_LIB -DQT_WIDGETS_LIB -DQT_MULTIMEDIA_LIB -DQT_GUI_LIB -DQT_XMLPATTERNS_LIB -DQT_NETWORK_LIB -DQT_XML_LIB -DQT_CONCURRENT_LIB -DQT_CORE_LIB -Isrc -Isrc/web/browser -Isrc/singleapplication -Isrc/pdf-merger -Iplugins/cffadaptor/src -I/usr/include/quazip5 -I/usr/include/poppler -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/aarch64-linux-gnu/qt5/QtCore -I/usr/include/aarch64-linux-gnu/qt5 -I/usr/include/aarch64-linux-gnu/qt5/QtWebKitWidgets -I/usr/include/aarch64-linux-gnu/qt5/QtWebKit -I/usr/include/aarch64-linux-gnu/qt5/QtSvg -I/usr/include/aarch64-linux-gnu/qt5/QtUiTools -I/usr/include/aarch64-linux-gnu/qt5/QtMultimediaWidgets -I/usr/include/aarch64-linux-gnu/qt5/QtPrintSupport -I/usr/include/aarch64-linux-gnu/qt5/QtWidgets -I/usr/include/aarch64-linux-gnu/qt5/QtMultimedia -I/usr/include/aarch64-linux-gnu/qt5/QtGui -I/usr/include/aarch64-linux-gnu/qt5/QtXmlPatterns -I/usr/include/aarch64-linux-gnu/qt5/QtNetwork -I/usr/include/aarch64-linux-gnu/qt5/QtXml -I/usr/include/aarch64-linux-gnu/qt5/QtConcurrent -Ibuild/linux/release/moc -Ibuild/linux/release/ui -I/usr/lib/aarch64-linux-gnu/qt5/mkspecs/linux-g++ -o build/linux/release/objects/UBFFmpegVideoEncoder.o src/podcast/ffmpeg/UBFFmpegVideoEncoder.cpp
> src/podcast/ffmpeg/UBFFmpegVideoEncoder.cpp: In member function ‘bool UBFFmpegVideoEncoder::init()’:
> src/podcast/ffmpeg/UBFFmpegVideoEncoder.cpp:523:65: error: ‘AVCodecContext’ {aka ‘struct AVCodecContext’} has no member named ‘channels’
>   523 |         mAudioOutBuffer = av_audio_fifo_alloc(c->sample_fmt, c->channels, c->frame_size);
>       |                                                                 ^~~~~~~~
> src/podcast/ffmpeg/UBFFmpegVideoEncoder.cpp: In member function ‘void UBFFmpegVideoEncoder::processAudio(QByteArray&)’:
> src/podcast/ffmpeg/UBFFmpegVideoEncoder.cpp:643:60: error: ‘AVCodecContext’ {aka ‘struct AVCodecContext’} has no member named ‘channels’
>   643 |                                              codecContext->channels, outSamplesCount,
>       |                                                            ^~~~~~~~
> make[2]: *** [Makefile.Release:6166: build/linux/release/objects/UBFFmpegVideoEncoder.o] Error 1


The full build log is available from:
https://people.debian.org/~sramacher/ffmpeg-7.0/openboard_arm64.build

ffmpeg 7.0 is available in experimental.

Cheers

-- 
Sebastian Ramacher