src/libavdevice/alldevices.c not found

[initialneil]

When I compile ffmpeg with Visual Studio and msys2, it has a weird requirement of the path to run configure.

In BuildFFmpeg.sh, it goes to Output/FFmpeg_Temp/Static/x64 and run ../../../../FFmpeg/configure. The configure is fine, but make crashes every time.

After some stuggle, I found that I have to run configure in the root path of ffmpeg. So the BuildFFmpeg.sh has to change from:

rm -rf ../Output/FFmpeg/$1/$2
rm -rf ../Output/FFmpeg_Temp/$1/$2
mkdir -p ../Output/FFmpeg_Temp/$1/$2
cd ../Output/FFmpeg_Temp/$1/$2
../../../../FFmpeg/configure \
	--toolchain=msvc \
	--disable-programs \
	--enable-cross-compile \
	--enable-debug \
	--disable-doc \
	--target-os=win32 \
	--extra-cflags=-DWINAPI_FAMILY=WINAPI_FAMILY_APP \
	--extra-cflags=-D_WIN32_WINNT=0x0A00 \
	--extra-cflags=-DHAVE_UNISTD_H=0 \
	--extra-ldflags=-APPCONTAINER \
	--extra-ldflags=WindowsApp.lib \
	--extra-cflags=-MD \
	--extra-cxxflags=-MD \
	$OPTIONS \
	--prefix=../../../../Output/FFmpeg/$1/$2

to:

cd ../FFmpeg
./configure \
	--toolchain=msvc \
	--disable-programs \
	--enable-cross-compile \
	--enable-debug \
	--disable-doc \
	--target-os=win32 \
	--extra-cflags=-DWINAPI_FAMILY=WINAPI_FAMILY_APP \
	--extra-cflags=-D_WIN32_WINNT=0x0A00 \
	--extra-cflags=-DHAVE_UNISTD_H=0 \
	--extra-ldflags=-APPCONTAINER \
	--extra-ldflags=WindowsApp.lib \
	--extra-cflags=-MD \
	--extra-cxxflags=-MD \
	$OPTIONS \
	--prefix=./build/$1/$2

The compiled ffmpeg libs (.a files) works for Hololens2.

[MouriNaruto]

I will fix that issue. Thanks.