docker pull immortalwrt/opde:sdk
docker run -it --rm immortalwrt/opde:sdk zsh # or bash
export http_proxy= # [your proxy], do not use localhost or 127.0.0.1
export https_proxy=$http_proxy
opde feeds && opde config -a
make package/feeds/telephony/baresip/compile -j$(nproc) || make package/feeds/telephony/baresip/compile V=s

Applying ./patches/002-fix-rem-include.patch using plaintext: 
patching file Makefile
make[4]: Entering directory '/openwrt/build_dir/target-aarch64_cortex-a53_musl/baresip-1.0.0'
  CC [M]  build-aarch64/modules/account/account.o
  CC [M]  build-aarch64/modules/auloop/auloop.o
  CC [M]  build-aarch64/modules/b2bua/b2bua.o
  CC [M]  build-aarch64/modules/contact/contact.o
  CC [M]  build-aarch64/modules/ctrl_tcp/ctrl_tcp.o
  CC [M]  build-aarch64/modules/ctrl_tcp/tcp_netstring.o
  CC [M]  build-aarch64/modules/ctrl_tcp/./netstring/netstring.o
  CC [M]  build-aarch64/modules/debug_cmd/debug_cmd.o
  CC [M]  build-aarch64/modules/ebuacip/ebuacip.o
  CC [M]  build-aarch64/modules/echo/echo.o
  CC [M]  build-aarch64/modules/fakevideo/fakevideo.o
  CC [M]  build-aarch64/modules/httpd/httpd.o
  CC [M]  build-aarch64/modules/ice/ice.o
  CC [M]  build-aarch64/modules/menu/menu.o
  CC [M]  build-aarch64/modules/mwi/mwi.o
  CC [M]  build-aarch64/modules/natpmp/natpmp.o
  CC [M]  build-aarch64/modules/natpmp/libnatpmp.o
  CC [M]  build-aarch64/modules/presence/presence.o
  CC [M]  build-aarch64/modules/presence/subscriber.o
  CC [M]  build-aarch64/modules/presence/notifier.o
  CC [M]  build-aarch64/modules/presence/publisher.o
  CC [M]  build-aarch64/modules/selfview/selfview.o
  CC [M]  build-aarch64/modules/srtp/srtp.o
  CC [M]  build-aarch64/modules/srtp/sdes.o
  CC [M]  build-aarch64/modules/stun/stun.o
  CC [M]  build-aarch64/modules/turn/turn.o
  CC [M]  build-aarch64/modules/uuid/uuid.o
  CC [M]  build-aarch64/modules/vidbridge/vidbridge.o
  CC [M]  build-aarch64/modules/vidbridge/src.o
  CC [M]  build-aarch64/modules/vidbridge/disp.o
  CC [M]  build-aarch64/modules/vidinfo/draw.o
  CC [M]  build-aarch64/modules/vidinfo/vidinfo.o
  CC [M]  build-aarch64/modules/vidinfo/xga_font_data.o
  CC [M]  build-aarch64/modules/vidloop/vidloop.o
  CC [M]  build-aarch64/modules/vumeter/vumeter.o
  CC [M]  build-aarch64/modules/aubridge/aubridge.o
  CC [M]  build-aarch64/modules/aubridge/device.o
  CC [M]  build-aarch64/modules/aubridge/src.o
  CC [M]  build-aarch64/modules/aubridge/play.o
  CC [M]  build-aarch64/modules/aufile/aufile.o
  CC [M]  build-aarch64/modules/ausine/ausine.o
  CC [M]  build-aarch64/modules/alsa/alsa.o
  CC [M]  build-aarch64/modules/alsa/alsa_src.o
  CC [M]  build-aarch64/modules/alsa/alsa_play.o
  CC [M]  build-aarch64/modules/avcodec/avcodec.o
modules/avcodec/avcodec.c:9:10: fatal error: libavutil/pixdesc.h: No such file or directory
 #include <libavutil/pixdesc.h>
          ^~~~~~~~~~~~~~~~~~~~~
compilation terminated.
make[4]: *** [mk/mod.mk:44: build-aarch64/modules/avcodec/avcodec.o] Error 1
make[4]: Leaving directory '/openwrt/build_dir/target-aarch64_cortex-a53_musl/baresip-1.0.0'
make[3]: *** [Makefile:172: /openwrt/build_dir/target-aarch64_cortex-a53_musl/baresip-1.0.0/.built] Error 2