Configuration commands to build FFmpeg 2.8 for Autodesk ReCap, w/ support for OpenH264, MSVC 2012, x64 architecture
(OpenH264 binaries must be installed & added to PKG_CONFIG_PATH)

arch="x86_64"
OPENH264_DELAY_LOAD_LDFLAGS="/delayload:openh264.dll"
OPENH264_DELAY_LOAD_EXTRA_LIBS="delayimp.lib"
./configure --toolchain=msvc --prefix=sdk --arch=$arch --enable-shared --disable-hwaccels --disable-static --disable-decoders --disable-muxers --disable-demuxers --disable-parsers --disable-bsfs --disable-indevs --disable-outdevs --disable-filters --disable-protocols --disable-libfaac --enable-pic --disable-gpl --enable-libopenh264 --enable-swscale --disable-programs --disable-nonfree --enable-encoder=mjpeg --disable-parser=h263 --disable-decoder=h264 --disable-decoder=h263 --enable-muxer=matroska --enable-muxer=avi --enable-muxer=mp4 --enable-protocol=file --enable-runtime-cpudetect --enable-w32threads --extra-cflags="-MD" --extra-ldflags="$OPENH264_DELAY_LOAD_LDFLAGS" --extra-libs="$OPENH264_DELAY_LOAD_EXTRA_LIBS"