一、交叉編譯x264庫
到https://www.videolan.org/developers/x264.html下載源代碼。
配置生成Makefile，默認是開啓NEON的
./configure --prefix=`pwd`/_inatall --host=arm-hisiv400-linux --cross-prefix=arm-hisiv400-linux- --enable-static --bit-depth=8
可以看到config.mak：
default@default:~/work/other/x264-master$ cat config.mak
SRCPATH=.
prefix=/home/default/work/other/x264-master/_inatall
exec_prefix=${prefix}
bindir=${exec_prefix}/bin
libdir=${exec_prefix}/lib
includedir=${prefix}/include
SYS_ARCH=ARM
SYS=LINUX
CC=arm-hisiv400-linux-gcc
CFLAGS=-Wno-maybe-uninitialized -Wshadow -O3 -ffast-math -Wall -I. -I$(SRCPATH) -std=gnu99 -D_GNU_SOURCE -mcpu=cortex-a8 -mfpu=neon -fomit-frame-pointer -fno-tree-vectorize -fvisibility=hidden
CFLAGSSO= -DX264_API_EXPORTS
CFLAGSCLI=
COMPILER=GNU
COMPILER_STYLE=GNU
DEPMM=-MM -g0
DEPMT=-MT
LD=arm-hisiv400-linux-gcc -o
LDFLAGS= -lm -lpthread -lrt -ldl
LDFLAGSCLI=-ldl
LIBX264=libx264.a
CLI_LIBX264=$(LIBX264)
AR=arm-hisiv400-linux-ar rc
RANLIB=arm-hisiv400-linux-ranlib
STRIP=arm-hisiv400-linux-strip
INSTALL=install
AS=arm-hisiv400-linux-gcc
ASFLAGS= -I. -I$(SRCPATH) -c -DSTACK_ALIGNMENT=4
RC=
RCFLAGS=
EXE=
HAVE_GETOPT_LONG=1
DEVNULL=/dev/null
PROF_GEN_CC=-fprofile-generate
PROF_GEN_LD=-fprofile-generate
PROF_USE_CC=-fprofile-use
PROF_USE_LD=-fprofile-use
HAVE_OPENCL=yes
CC_O=-o $@
default: cli
install: install-cli
default: lib-static
install: install-lib-static
最後，make && make install
生成_install目錄和庫
二、編寫demo測試
VI （yuv422）-> X264->file
三、使用Hi3536 gpu加速