I've tried several of the latest FFMpeg releases (2.1.4, and 2.2 rc2) but have not been able to compile because of the following errors:
INSTALL libavformat/libavformat.a
AS libavcodec/arm/vp8dsp_armv6.o
AR libavresample/libavresample.a
CC libavcodec/ass_split.o
CC libavcodec/assdec.o
CC libavcodec/asv.o
CC libavcodec/asvdec.o
/Users/erikvillegas/Development/ffmpeg64/ffmpeg/libavcodec/arm/vp8dsp_armv6.S:2163:11: error: branch target out of range
b vp8_put_epel_h6_armv6 + 4
^
/Users/erikvillegas/Development/ffmpeg64/ffmpeg/libavcodec/arm/vp8dsp_armv6.S:2181:11: error: branch target out of range
b vp8_put_epel_v6_armv6 + 4
^
/Users/erikvillegas/Development/ffmpeg64/ffmpeg/libavcodec/arm/vp8dsp_armv6.S:2199:11: error: branch target out of range
b vp8_put_epel_h6_armv6 + 4
^
/Users/erikvillegas/Development/ffmpeg64/ffmpeg/libavcodec/arm/vp8dsp_armv6.S:2217:11: error: branch target out of range
b vp8_put_epel_v6_armv6 + 4
^
/Users/erikvillegas/Development/ffmpeg64/ffmpeg/libavcodec/arm/vp8dsp_armv6.S:2235:11: error: branch target out of range
b vp8_put_epel_h4_armv6 + 4
^
/Users/erikvillegas/Development/ffmpeg64/ffmpeg/libavcodec/arm/vp8dsp_armv6.S:2253:11: error: branch target out of range
b vp8_put_epel_v4_armv6 + 4
^
/Users/erikvillegas/Development/ffmpeg64/ffmpeg/libavcodec/arm/vp8dsp_armv6.S:2271:11: error: branch target out of range
b vp8_put_epel_h6_armv6 + 4
^
/Users/erikvillegas/Development/ffmpeg64/ffmpeg/libavcodec/arm/vp8dsp_armv6.S:2289:11: error: branch target out of range
b vp8_put_epel_v6_armv6 + 4
^
/Users/erikvillegas/Development/ffmpeg64/ffmpeg/libavcodec/arm/vp8dsp_armv6.S:2307:11: error: branch target out of range
b vp8_put_epel_h4_armv6 + 4
^
/Users/erikvillegas/Development/ffmpeg64/ffmpeg/libavcodec/arm/vp8dsp_armv6.S:2325:11: error: branch target out of range
b vp8_put_epel_v4_armv6 + 4
^
/Users/erikvillegas/Development/ffmpeg64/ffmpeg/libavcodec/arm/vp8dsp_armv6.S:2344:11: error: branch target out of range
b vp8_put_bilin_h_armv6 + 4
^
/Users/erikvillegas/Development/ffmpeg64/ffmpeg/libavcodec/arm/vp8dsp_armv6.S:2362:11: error: branch target out of range
b vp8_put_bilin_v_armv6 + 4
^
/Users/erikvillegas/Development/ffmpeg64/ffmpeg/libavcodec/arm/vp8dsp_armv6.S:2380:11: error: branch target out of range
b vp8_put_bilin_h_armv6 + 4
^
/Users/erikvillegas/Development/ffmpeg64/ffmpeg/libavcodec/arm/vp8dsp_armv6.S:2398:11: error: branch target out of range
b vp8_put_bilin_v_armv6 + 4
^
/Users/erikvillegas/Development/ffmpeg64/ffmpeg/libavcodec/arm/vp8dsp_armv6.S:2416:11: error: branch target out of range
b vp8_put_bilin_h_armv6 + 4
^
/Users/erikvillegas/Development/ffmpeg64/ffmpeg/libavcodec/arm/vp8dsp_armv6.S:2434:11: error: branch target out of range
b vp8_put_bilin_v_armv6 + 4
^
make: *** [libavcodec/arm/vp8dsp_armv6.o] Error 1
The problem lies in the libavcodec library. I'm able to compile for arm64 and x86_64 but not for armv7 and armv7s.
I'm using the following build script: https://github.com/kewlbear/FFmpeg-iOS-build-script
Any ideas?
./configure --disable-asm
will get rid of this error. It disables use of inline assembly code across the board though, so keep an eye on performance / battery drain.