Add libswresample to FFmpeg source build #560
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NicolasHug
commented
Mar 14, 2025
| elif [[ ${major_ver} == 6 ]]; then | ||
| avutil=libavutil.58 | ||
| avcodec=libavcodec.60 | ||
| avformat=libavformat.60 | ||
| avdevice=libavdevice.60 | ||
| avfilter=libavfilter.9 | ||
| swscale=libswscale.7 | ||
| swresample=libswresample.4 |
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Yup, it's version 4 twice in a row, this isn't a typo (logs were previously failing)!
NicolasHug
commented
Mar 14, 2025
| -id @rpath/${swresample}.dylib \ | ||
| ${prefix}/lib/${swresample}.dylib | ||
| ${otool} -l ${prefix}/lib/${swresample}.dylib | grep -B2 ${prefix} | ||
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There is only a dependency on avutil:
~/dev/torchcodec (add_swresample*) » ldd $CONDA_PREFIX/lib/libswresample.so | grep av nicolashug@nicolashug-fedora-PF2MMKSN
libavutil.so.58 => /home/nicolashug/.miniconda3/envs/codec/lib/./libavutil.so.58 (0x00007f2924800000)
I don't have access to a mac so I cannot provide the output of otool on the actual dylib as requested on #219 (comment), but that should be fine?
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If Mac wheel builds work on CI, we should be good.
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scotts
approved these changes
Mar 14, 2025
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Similar to #219, but for libswresample which we'll use to resample audio and convert audio formats.
I took the liberty of pushing those builds to S3 already, and they work as expected as can be seen in #562 and #556