undefined symbol: avio_protocol_get_class, version LIBAVFORMAT_58

Y_Hungry2024-02-05 21:10

rv1126上进行编译和在虚拟机里面进行交叉编译ffmpeg都不行

解决办法查看

查看安装的ffmpeg链接的文件

ldd ./ffmpeg
bash 复制代码 
root@EASY-EAI-NANO:/home/nano/ffmpeg-4.3.6# ldd ffmpeg       
linux-vdso.so.1 (0xaeebd000)
        libavdevice.so.58 => /lib/arm-linux-gnueabihf/libavdevice.so.58 (0xa6f1c000)
        libavfilter.so.7 => /lib/arm-linux-gnueabihf/libavfilter.so.7 (0xa6cdb000)
        libavformat.so.58 => /lib/arm-linux-gnueabihf/libavformat.so.58 (0xa6b19000)
        libavcodec.so.58 => /lib/arm-linux-gnueabihf/libavcodec.so.58 (0xa59dc000)
        libswresample.so.3 => /lib/arm-linux-gnueabihf/libswresample.so.3 (0xa59b9000)
        libswscale.so.5 => /lib/arm-linux-gnueabihf/libswscale.so.5 (0xa5954000)
        libavutil.so.56 => /lib/arm-linux-gnueabihf/libavutil.so.56 (0xa5847000)
        libm.so.6 => /lib/arm-linux-gnueabihf/libm.so.6 (0xa57de000)
        libpthread.so.0 => /lib/arm-linux-gnueabihf/libpthread.so.0 (0xa57b8000)
        libc.so.6 => /lib/arm-linux-gnueabihf/libc.so.6 (0xa56b9000)
        /lib/ld-linux-armhf.so.3 (0xa6fa4000)
        libraw1394.so.11 => /lib/arm-linux-gnueabihf/libraw1394.so.11 (0xa56a0000)
        libavc1394.so.0 => /lib/arm-linux-gnueabihf/libavc1394.so.0 (0xa568c000)
        librom1394.so.0 => /lib/arm-linux-gnueabihf/librom1394.so.0 (0xa5679000)
        libiec61883.so.0 => /lib/arm-linux-gnueabihf/libiec61883.so.0 (0xa5660000)
        libjack.so.0 => /lib/arm-linux-gnueabihf/libjack.so.0 (0xa5622000)
        libdrm.so.2 => /lib/arm-linux-gnueabihf/libdrm.so.2 (0xa5605000)
        libopenal.so.1 => /lib/arm-linux-gnueabihf/libopenal.so.1 (0xa5536000)
        libxcb.so.1 => /lib/arm-linux-gnueabihf/libxcb.so.1 (0xa550d000)
        libxcb-shm.so.0 => /lib/arm-linux-gnueabihf/libxcb-shm.so.0 (0xa54fa000)
        libxcb-shape.so.0 => /lib/arm-linux-gnueabihf/libxcb-shape.so.0 (0xa54e7000)
        libxcb-xfixes.so.0 => /lib/arm-linux-gnueabihf/libxcb-xfixes.so.0 (0xa54d1000)
        libcdio_paranoia.so.2 => /lib/arm-linux-gnueabihf/libcdio_paranoia.so.2 (0xa54bc000)
        libcdio_cdda.so.2 => /lib/arm-linux-gnueabihf/libcdio_cdda.so.2 (0xa54a6000)
        libdc1394.so.22 => /lib/arm-linux-gnueabihf/libdc1394.so.22 (0xa542f000)
        libasound.so.2 => /lib/arm-linux-gnueabihf/libasound.so.2 (0xa5386000)
        libcaca.so.0 => /lib/arm-linux-gnueabihf/libcaca.so.0 (0xa52ba000)
        libGL.so.1 => /lib/arm-linux-gnueabihf/libGL.so.1 (0xa51f5000)
        libpulse.so.0 => /lib/arm-linux-gnueabihf/libpulse.so.0 (0xa51af000)
        libSDL2-2.0.so.0 => /lib/arm-linux-gnueabihf/libSDL2-2.0.so.0 (0xa50d2000)
        libsndio.so.7.0 => /lib/arm-linux-gnueabihf/libsndio.so.7.0 (0xa50b6000)
        libXv.so.1 => /lib/arm-linux-gnueabihf/libXv.so.1 (0xa50a2000)
        libX11.so.6 => /lib/arm-linux-gnueabihf/libX11.so.6 (0xa4faf000)
        libXext.so.6 => /lib/arm-linux-gnueabihf/libXext.so.6 (0xa4f94000)
        libpostproc.so.55 => /lib/arm-linux-gnueabihf/libpostproc.so.55 (0xa4f7b000)
        libbs2b.so.0 => /lib/arm-linux-gnueabihf/libbs2b.so.0 (0xa4f67000)
        liblilv-0.so.0 => /lib/arm-linux-gnueabihf/liblilv-0.so.0 (0xa4f48000)
        libdl.so.2 => /lib/arm-linux-gnueabihf/libdl.so.2 (0xa4f35000)
        librubberband.so.2 => /lib/arm-linux-gnueabihf/librubberband.so.2 (0xa4eff000)
        libmysofa.so.1 => /lib/arm-linux-gnueabihf/libmysofa.so.1 (0xa4ee5000)
        libflite_cmu_us_awb.so.1 => /lib/arm-linux-gnueabihf/libflite_cmu_us_awb.so.1 (0xa4c28000)
        libflite_cmu_us_kal.so.1 => /lib/arm-linux-gnueabihf/libflite_cmu_us_kal.so.1 (0xa4abe000)
        libflite_cmu_us_kal16.so.1 => /lib/arm-linux-gnueabihf/libflite_cmu_us_kal16.so.1 (0xa46e0000)
        libflite_cmu_us_rms.so.1 => /lib/arm-linux-gnueabihf/libflite_cmu_us_rms.so.1 (0xa43b0000)
        libflite_cmu_us_slt.so.1 => /lib/arm-linux-gnueabihf/libflite_cmu_us_slt.so.1 (0xa40f2000)
        libflite.so.1 => /lib/arm-linux-gnueabihf/libflite.so.1 (0xa40c0000)
        libfribidi.so.0 => /lib/arm-linux-gnueabihf/libfribidi.so.0 (0xa4097000)
        libass.so.9 => /lib/arm-linux-gnueabihf/libass.so.9 (0xa406a000)
        libva.so.2 => /lib/arm-linux-gnueabihf/libva.so.2 (0xa403d000)
        libvidstab.so.1.1 => /lib/arm-linux-gnueabihf/libvidstab.so.1.1 (0xa4021000)
        libzmq.so.5 => /lib/arm-linux-gnueabihf/libzmq.so.5 (0xa3fb6000)
        libOpenCL.so.1 => /usr/lib/libOpenCL.so.1 (0xa3f49000)
        libfontconfig.so.1 => /lib/arm-linux-gnueabihf/libfontconfig.so.1 (0xa3f0c000)
        libfreetype.so.6 => /lib/arm-linux-gnueabihf/libfreetype.so.6 (0xa3e8c000)
        libxml2.so.2 => /lib/arm-linux-gnueabihf/libxml2.so.2 (0xa3d72000)
        libbz2.so.1.0 => /lib/arm-linux-gnueabihf/libbz2.so.1.0 (0xa3d56000)
        libgme.so.0 => /lib/arm-linux-gnueabihf/libgme.so.0 (0xa3d18000)
        libopenmpt.so.0 => /lib/arm-linux-gnueabihf/libopenmpt.so.0 (0xa3bb9000)
        libchromaprint.so.1 => /lib/arm-linux-gnueabihf/libchromaprint.so.1 (0xa3b9c000)
        libbluray.so.2 => /lib/arm-linux-gnueabihf/libbluray.so.2 (0xa3b57000)
        libz.so.1 => /lib/arm-linux-gnueabihf/libz.so.1 (0xa3b34000)
        libgnutls.so.30 => /lib/arm-linux-gnueabihf/libgnutls.so.30 (0xa39dd000)
        libssh-gcrypt.so.4 => /lib/arm-linux-gnueabihf/libssh-gcrypt.so.4 (0xa396b000)
        libvpx.so.6 => /lib/arm-linux-gnueabihf/vfp/neon/libvpx.so.6 (0xa37ef000)
        libwebpmux.so.3 => /lib/arm-linux-gnueabihf/libwebpmux.so.3 (0xa37d9000)
        libwebp.so.6 => /lib/arm-linux-gnueabihf/libwebp.so.6 (0xa378a000)
        liblzma.so.5 => /lib/arm-linux-gnueabihf/liblzma.so.5 (0xa3760000)
        librsvg-2.so.2 => /lib/arm-linux-gnueabihf/librsvg-2.so.2 (0xa3063000)
        libgobject-2.0.so.0 => /lib/arm-linux-gnueabihf/libgobject-2.0.so.0 (0xa3012000)
        libglib-2.0.so.0 => /lib/arm-linux-gnueabihf/libglib-2.0.so.0 (0xa2f29000)
        libcairo.so.2 => /lib/arm-linux-gnueabihf/libcairo.so.2 (0xa2e6c000)
        libzvbi.so.0 => /lib/arm-linux-gnueabihf/libzvbi.so.0 (0xa2dff000)
        libsnappy.so.1 => /lib/arm-linux-gnueabihf/libsnappy.so.1 (0xa2de9000)
        libaom.so.0 => /lib/arm-linux-gnueabihf/libaom.so.0 (0xa2b52000)
        libcodec2.so.0.9 => /lib/arm-linux-gnueabihf/libcodec2.so.0.9 (0xa1d7f000)
        libgsm.so.1 => /lib/arm-linux-gnueabihf/libgsm.so.1 (0xa1d67000)
        libmp3lame.so.0 => /lib/arm-linux-gnueabihf/libmp3lame.so.0 (0xa1cf8000)
        libopenjp2.so.7 => /lib/arm-linux-gnueabihf/libopenjp2.so.7 (0xa1caf000)
        libopus.so.0 => /lib/arm-linux-gnueabihf/libopus.so.0 (0xa1c5e000)
        libshine.so.3 => /lib/arm-linux-gnueabihf/libshine.so.3 (0xa1c45000)
        libspeex.so.1 => /lib/arm-linux-gnueabihf/libspeex.so.1 (0xa1c24000)
        libtheoraenc.so.1 => /lib/arm-linux-gnueabihf/libtheoraenc.so.1 (0xa1bea000)
        libtheoradec.so.1 => /lib/arm-linux-gnueabihf/libtheoradec.so.1 (0xa1bc8000)
        libtwolame.so.0 => /lib/arm-linux-gnueabihf/libtwolame.so.0 (0xa1b9a000)
        libvorbis.so.0 => /lib/arm-linux-gnueabihf/libvorbis.so.0 (0xa1b69000)
        libvorbisenc.so.2 => /lib/arm-linux-gnueabihf/libvorbisenc.so.2 (0xa1ad7000)
        libwavpack.so.1 => /lib/arm-linux-gnueabihf/libwavpack.so.1 (0xa1aa9000)
        libx264.so.155 => /lib/arm-linux-gnueabihf/libx264.so.155 (0xa189e000)
        libx265.so.179 => /lib/arm-linux-gnueabihf/libx265.so.179 (0xa1672000)
        libxvidcore.so.4 => /lib/arm-linux-gnueabihf/libxvidcore.so.4 (0xa159f000)
        libsoxr.so.0 => /lib/arm-linux-gnueabihf/libsoxr.so.0 (0xa153b000)
        libva-drm.so.2 => /lib/arm-linux-gnueabihf/libva-drm.so.2 (0xa1529000)
        libva-x11.so.2 => /lib/arm-linux-gnueabihf/libva-x11.so.2 (0xa1515000)
        libvdpau.so.1 => /lib/arm-linux-gnueabihf/libvdpau.so.1 (0xa1502000)
        librt.so.1 => /lib/arm-linux-gnueabihf/librt.so.1 (0xa14ec000)
        libstdc++.so.6 => /lib/arm-linux-gnueabihf/libstdc++.so.6 (0xa13a3000)
        libgcc_s.so.1 => /lib/arm-linux-gnueabihf/libgcc_s.so.1 (0xa1378000)
        libXau.so.6 => /lib/arm-linux-gnueabihf/libXau.so.6 (0xa1365000)
        libXdmcp.so.6 => /lib/arm-linux-gnueabihf/libXdmcp.so.6 (0xa1351000)
        libcdio.so.18 => /lib/arm-linux-gnueabihf/libcdio.so.18 (0xa1326000)
        libusb-1.0.so.0 => /lib/arm-linux-gnueabihf/libusb-1.0.so.0 (0xa1304000)
        libslang.so.2 => /lib/arm-linux-gnueabihf/libslang.so.2 (0xa1144000)
        libncursesw.so.6 => /lib/arm-linux-gnueabihf/libncursesw.so.6 (0xa1112000)
        libtinfo.so.6 => /lib/arm-linux-gnueabihf/libtinfo.so.6 (0xa10e4000)
        libGLdispatch.so.0 => /lib/arm-linux-gnueabihf/libGLdispatch.so.0 (0xa0fad000)
        libGLX.so.0 => /lib/arm-linux-gnueabihf/libGLX.so.0 (0xa0f4a000)
        libpulsecommon-13.99.so => /usr/lib/arm-linux-gnueabihf/pulseaudio/libpulsecommon-13.99.so (0xa0ee3000)
        libdbus-1.so.3 => /lib/arm-linux-gnueabihf/libdbus-1.so.3 (0xa0ea3000)
        libXcursor.so.1 => /lib/arm-linux-gnueabihf/libXcursor.so.1 (0xa0e8c000)
        libXinerama.so.1 => /lib/arm-linux-gnueabihf/libXinerama.so.1 (0xa0e7a000)
        libXi.so.6 => /lib/arm-linux-gnueabihf/libXi.so.6 (0xa0e60000)
        libXrandr.so.2 => /lib/arm-linux-gnueabihf/libXrandr.so.2 (0xa0e49000)
        libXss.so.1 => /lib/arm-linux-gnueabihf/libXss.so.1 (0xa0e36000)
        libXxf86vm.so.1 => /lib/arm-linux-gnueabihf/libXxf86vm.so.1 (0xa0e22000)
        libwayland-egl.so.1 => /lib/arm-linux-gnueabihf/libwayland-egl.so.1 (0xa0e10000)
        libwayland-client.so.0 => /lib/arm-linux-gnueabihf/libwayland-client.so.0 (0xa0df7000)
        libwayland-cursor.so.0 => /lib/arm-linux-gnueabihf/libwayland-cursor.so.0 (0xa0de0000)
        libxkbcommon.so.0 => /lib/arm-linux-gnueabihf/libxkbcommon.so.0 (0xa0d9e000)
        libbsd.so.0 => /lib/arm-linux-gnueabihf/libbsd.so.0 (0xa0d7b000)
        libserd-0.so.0 => /lib/arm-linux-gnueabihf/libserd-0.so.0 (0xa0d58000)
        libsord-0.so.0 => /lib/arm-linux-gnueabihf/libsord-0.so.0 (0xa0d42000)
        libsratom-0.so.0 => /lib/arm-linux-gnueabihf/libsratom-0.so.0 (0xa0d2b000)
        libsamplerate.so.0 => /lib/arm-linux-gnueabihf/libsamplerate.so.0 (0xa0bb1000)
        libfftw3.so.3 => /lib/arm-linux-gnueabihf/libfftw3.so.3 (0xa0ad6000)
        libflite_usenglish.so.1 => /lib/arm-linux-gnueabihf/libflite_usenglish.so.1 (0xa0ab0000)
        libflite_cmulex.so.1 => /lib/arm-linux-gnueabihf/libflite_cmulex.so.1 (0xa0a10000)
        libharfbuzz.so.0 => /lib/arm-linux-gnueabihf/libharfbuzz.so.0 (0xa094e000)
        libgomp.so.1 => /lib/arm-linux-gnueabihf/libgomp.so.1 (0xa0915000)
        libsodium.so.23 => /lib/arm-linux-gnueabihf/libsodium.so.23 (0xa08cf000)
        libpgm-5.2.so.0 => /lib/arm-linux-gnueabihf/libpgm-5.2.so.0 (0xa087f000)
        libnorm.so.1 => /lib/arm-linux-gnueabihf/libnorm.so.1 (0xa0753000)
        libgssapi_krb5.so.2 => /lib/arm-linux-gnueabihf/libgssapi_krb5.so.2 (0xa0718000)
        libGAL.so => /usr/lib/libGAL.so (0xa0578000)
        libVSC.so => /usr/lib/libVSC.so (0x9f6e9000)
        libCLC.so => /usr/lib/libCLC.so (0x9f524000)
        libexpat.so.1 => /lib/arm-linux-gnueabihf/libexpat.so.1 (0x9f4fb000)
        libuuid.so.1 => /lib/arm-linux-gnueabihf/libuuid.so.1 (0x9f4e5000)
        libpng16.so.16 => /lib/arm-linux-gnueabihf/libpng16.so.16 (0x9f4b1000)
        libicuuc.so.66 => /lib/arm-linux-gnueabihf/libicuuc.so.66 (0x9f362000)
        libmpg123.so.0 => /lib/arm-linux-gnueabihf/libmpg123.so.0 (0x9f310000)
        libvorbisfile.so.3 => /lib/arm-linux-gnueabihf/libvorbisfile.so.3 (0x9f2f9000)
        libp11-kit.so.0 => /lib/arm-linux-gnueabihf/libp11-kit.so.0 (0x9f234000)
        libidn2.so.0 => /lib/arm-linux-gnueabihf/libidn2.so.0 (0x9f209000)
        libunistring.so.2 => /lib/arm-linux-gnueabihf/libunistring.so.2 (0x9f09d000)
        libtasn1.so.6 => /lib/arm-linux-gnueabihf/libtasn1.so.6 (0x9f080000)
        libnettle.so.7 => /lib/arm-linux-gnueabihf/libnettle.so.7 (0x9f044000)
        libhogweed.so.5 => /lib/arm-linux-gnueabihf/libhogweed.so.5 (0x9f00b000)
        libgmp.so.10 => /lib/arm-linux-gnueabihf/libgmp.so.10 (0x9efab000)
        libgcrypt.so.20 => /lib/arm-linux-gnueabihf/libgcrypt.so.20 (0x9eef8000)
        libgpg-error.so.0 => /lib/arm-linux-gnueabihf/libgpg-error.so.0 (0x9eed3000)
        libcairo-gobject.so.2 => /lib/arm-linux-gnueabihf/libcairo-gobject.so.2 (0x9eebd000)
        libgdk_pixbuf-2.0.so.0 => /lib/arm-linux-gnueabihf/libgdk_pixbuf-2.0.so.0 (0x9ee92000)
        libgio-2.0.so.0 => /lib/arm-linux-gnueabihf/libgio-2.0.so.0 (0x9ed62000)
        libpangocairo-1.0.so.0 => /lib/arm-linux-gnueabihf/libpangocairo-1.0.so.0 (0x9ed48000)
        libpango-1.0.so.0 => /lib/arm-linux-gnueabihf/libpango-1.0.so.0 (0x9ed05000)
        libffi.so.7 => /lib/arm-linux-gnueabihf/libffi.so.7 (0x9ecef000)
        libpcre.so.3 => /lib/arm-linux-gnueabihf/libpcre.so.3 (0x9ec91000)
        libpixman-1.so.0 => /lib/arm-linux-gnueabihf/libpixman-1.so.0 (0x9ec06000)
        libxcb-render.so.0 => /lib/arm-linux-gnueabihf/libxcb-render.so.0 (0x9ebed000)
        libXrender.so.1 => /lib/arm-linux-gnueabihf/libXrender.so.1 (0x9ebd6000)
        libogg.so.0 => /lib/arm-linux-gnueabihf/libogg.so.0 (0x9ebbf000)
        libXfixes.so.3 => /lib/arm-linux-gnueabihf/libXfixes.so.3 (0x9ebab000)
        libudev.so.1 => /lib/arm-linux-gnueabihf/libudev.so.1 (0x9eb7f000)
        libsystemd.so.0 => /lib/arm-linux-gnueabihf/libsystemd.so.0 (0x9eafa000)
        libwrap.so.0 => /lib/arm-linux-gnueabihf/libwrap.so.0 (0x9eae3000)
        libsndfile.so.1 => /lib/arm-linux-gnueabihf/libsndfile.so.1 (0x9ea7b000)
        libasyncns.so.0 => /lib/arm-linux-gnueabihf/libasyncns.so.0 (0x9ea66000)
        libapparmor.so.1 => /lib/arm-linux-gnueabihf/libapparmor.so.1 (0x9ea49000)
        libgraphite2.so.3 => /lib/arm-linux-gnueabihf/libgraphite2.so.3 (0x9ea1f000)
        libkrb5.so.3 => /lib/arm-linux-gnueabihf/libkrb5.so.3 (0x9e984000)
        libk5crypto.so.3 => /lib/arm-linux-gnueabihf/libk5crypto.so.3 (0x9e950000)
        libcom_err.so.2 => /lib/arm-linux-gnueabihf/libcom_err.so.2 (0x9e93d000)
        libkrb5support.so.0 => /lib/arm-linux-gnueabihf/libkrb5support.so.0 (0x9e925000)
        libicudata.so.66 => /lib/arm-linux-gnueabihf/libicudata.so.66 (0x9ce57000)
        libgmodule-2.0.so.0 => /lib/arm-linux-gnueabihf/libgmodule-2.0.so.0 (0x9ce42000)
        libmount.so.1 => /lib/arm-linux-gnueabihf/libmount.so.1 (0x9cdf4000)
        libselinux.so.1 => /lib/arm-linux-gnueabihf/libselinux.so.1 (0x9cdca000)
        libresolv.so.2 => /lib/arm-linux-gnueabihf/libresolv.so.2 (0x9cdaa000)
        libpangoft2-1.0.so.0 => /lib/arm-linux-gnueabihf/libpangoft2-1.0.so.0 (0x9cd8c000)
        libthai.so.0 => /lib/arm-linux-gnueabihf/libthai.so.0 (0x9cd75000)
        liblz4.so.1 => /lib/arm-linux-gnueabihf/liblz4.so.1 (0x9cd4f000)
        libnsl.so.1 => /lib/arm-linux-gnueabihf/libnsl.so.1 (0x9cd2f000)
        libFLAC.so.8 => /lib/arm-linux-gnueabihf/libFLAC.so.8 (0x9ccfd000)
        libkeyutils.so.1 => /lib/arm-linux-gnueabihf/libkeyutils.so.1 (0x9cce8000)
        libblkid.so.1 => /lib/arm-linux-gnueabihf/libblkid.so.1 (0x9cca2000)
        libpcre2-8.so.0 => /lib/arm-linux-gnueabihf/libpcre2-8.so.0 (0x9cc2f000)
        libdatrie.so.1 => /lib/arm-linux-gnueabihf/libdatrie.so.1 (0x9cc1b000)

查看

发现链接的是编译器下面的，可能版本不是ffmpeg源码的版本，查看本机器有多少个这个

find / -name "libavformat*"

find / -name "libavformat*"
/var/lib/dpkg/info/libavformat58:armhf.triggers
/var/lib/dpkg/info/libavformat58:armhf.list
/var/lib/dpkg/info/libavformat-dev:armhf.list
/var/lib/dpkg/info/libavformat-dev:armhf.md5sums
/var/lib/dpkg/info/libavformat58:armhf.md5sums
/var/lib/dpkg/info/libavformat58:armhf.shlibs
/var/lib/dpkg/info/libavformat58:armhf.symbols
find: '/proc/969': No such file or directory
/home/nano/ffmpeg-4.3.6/doc/libavformat.3
/home/nano/ffmpeg-4.3.6/doc/examples/pc-uninstalled/libavformat-uninstalled.pc
/home/nano/ffmpeg-4.3.6/doc/libavformat.pod.d
/home/nano/ffmpeg-4.3.6/doc/libavformat.texi
/home/nano/ffmpeg-4.3.6/doc/libavformat.pod
/home/nano/ffmpeg-4.3.6/tests/fate/libavformat.mak
/home/nano/ffmpeg-4.3.6/libavformat
/home/nano/ffmpeg-4.3.6/libavformat/libavformat.so.58
/home/nano/ffmpeg-4.3.6/libavformat/libavformat.pc
/home/nano/ffmpeg-4.3.6/libavformat/libavformat.so
/home/nano/ffmpeg-4.3.6/libavformat/libavformat.v
/home/nano/ffmpeg-4.3.6/libavformat/libavformat.version
/home/nano/ffmpeg-4.3.6/libavformat/libavformat.ver
/home/nano/ffmpeg-4.3.6/libavformat/libavformat.a
/usr/share/doc/libavformat-dev
/usr/share/doc/libavformat58
/usr/share/lintian/overrides/libavformat58
/usr/lib/arm-linux-gnueabihf/libavformat.so.58
/usr/lib/arm-linux-gnueabihf/libavformat.so
/usr/lib/arm-linux-gnueabihf/libavformat.so.58.29.100
/usr/lib/arm-linux-gnueabihf/pkgconfig/libavformat.pc
/usr/lib/arm-linux-gnueabihf/libavformat.a
/usr/include/arm-linux-gnueabihf/libavformat
/usr/local/share/man/man3/libavformat.3
/usr/local/lib/pkgconfig/libavformat.pc
/usr/local/include/libavformat
/opt/arm_ffmpeg/share/man/man3/libavformat.3
/opt/arm_ffmpeg/lib/libavformat.so.58
/opt/arm_ffmpeg/lib/libavformat.so
/opt/arm_ffmpeg/lib/pkgconfig/libavformat.pc
/opt/arm_ffmpeg/lib/libavformat.a
/opt/arm_ffmpeg/lib/libavformat.so.58.45.100
/opt/arm_ffmpeg/include/libavformat
/opt/ffmpeg/share/man/man3/libavformat.3
/opt/ffmpeg/lib/libavformat.so.58
/opt/ffmpeg/lib/libavformat.so
/opt/ffmpeg/lib/pkgconfig/libavformat.pc
/opt/ffmpeg/lib/libavformat.a
/opt/ffmpeg/lib/libavformat.so.58.45.100
/opt/ffmpeg/include/libavformat

使用 objdump 或 nm 工具来检查 libavformat.so.58 中是否包含 avio_protocol_get_class 符号

查看交叉编译工具链接的如下，发现没有任何打印

bash 复制代码 
nm -D /lib/arm-linux-gnueabihf/libavformat.so.58 | grep avio_protocol_get_class

查看源码编译下的，如下，发现有打印，

所以我的办法是把编译工具下的那个文件和源码下的文件做一个替换即可

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