android-vlc 精简

 

首先精简ffmpeg rules.mak

改为：

# FFmpeg



HASH=HEAD



#FFMPEG_SNAPURL := http://git.videolan.org/?p=ffmpeg.git;a=snapshot;h=$(HASH);sf=tgz

FFMPEG_SNAPURL := http://git.libav.org/?p=libav.git;a=snapshot;h=$(HASH);sf=tgz



FFMPEGCONF = \

	--cc="$(CC)" \

	--disable-doc \

	--enable-libgsm \

	--enable-libopenjpeg \

	--disable-debug \

	--disable-avdevice \

	--disable-devices \

	--disable-avfilter \

	--disable-filters \

	--disable-bsfs \

	--disable-bzlib



# Those tools are named differently in FFmpeg and Libav

#	--disable-ffserver \

#	--disable-ffplay \

#	--disable-ffprobe

DEPS_ffmpeg = zlib gsm openjpeg



# Optional dependencies

ifdef BUILD_ENCODERS

FFMPEGCONF += --enable-libmp3lame --enable-libvpx --disable-decoder=libvpx --disable-decoder=libvpx_vp8 --disable-decoder=libvpx_vp9

DEPS_ffmpeg += lame $(DEPS_lame) vpx $(DEPS_vpx)

else

FFMPEGCONF += --disable-encoders --enable-encoder=png	

FFMPEGCONF += --disable-decoders --enable-decoder=h264 

FFMPEGCONF += --disable-muxers

FFMPEGCONF += --disable-demuxers --enable-demuxer=rtp --enable-demuxer=rtsp

FFMPEGCONF += --disable-protocols --enable-protocol=rtp --enable-protocol=rtsp

FFMPEGCONF += --disable-parsers --enable-parser=h264 --enable-parser=mpeg4video 

endif



# Small size

ifdef ENABLE_SMALL

FFMPEGCONF += --enable-small

ifeq ($(ARCH),arm)

ifdef HAVE_ARMV7A

FFMPEGCONF += --enable-thumb

endif

endif

endif



ifdef HAVE_CROSS_COMPILE

FFMPEGCONF += --enable-cross-compile

ifndef HAVE_IOS

FFMPEGCONF += --cross-prefix=$(HOST)-

endif

endif



# ARM stuff

ifeq ($(ARCH),arm)

FFMPEGCONF += --arch=arm

ifdef HAVE_NEON

FFMPEGCONF += --enable-neon

endif

ifdef HAVE_ARMV7A

FFMPEGCONF += --cpu=cortex-a8

endif

endif



# MIPS stuff

ifeq ($(ARCH),mipsel)

FFMPEGCONF += --arch=mips

endif



# x86 stuff

ifeq ($(ARCH),i386)

ifndef HAVE_DARWIN_OS

FFMPEGCONF += --arch=x86

endif

endif



# Darwin

ifdef HAVE_DARWIN_OS

FFMPEGCONF += --arch=$(ARCH) --target-os=darwin

ifneq ($(findstring $(ARCH),i386 x86_64),)

FFMPEGCONF += --enable-memalign-hack

endif

ifeq ($(ARCH),x86_64)

FFMPEGCONF += --cpu=core2

endif

endif

ifdef HAVE_IOS

ifeq ($(ARCH),arm)

FFMPEGCONF += --enable-pic --as="$(AS)"

endif

endif



# Linux

ifdef HAVE_LINUX

FFMPEGCONF += --target-os=linux --enable-pic



endif



# Windows

ifdef HAVE_WIN32

ifndef HAVE_MINGW_W64

DEPS_ffmpeg += directx

endif

FFMPEGCONF += --target-os=mingw32 --enable-memalign-hack

FFMPEGCONF += --enable-w32threads --enable-dxva2 \

	--disable-decoder=dca



ifdef HAVE_WIN64

FFMPEGCONF += --cpu=athlon64 --arch=x86_64

else # !WIN64

FFMPEGCONF+= --cpu=i686 --arch=x86

endif



else # !Windows

FFMPEGCONF += --enable-pthreads

endif



# Build

PKGS += ffmpeg

ifeq ($(call need_pkg,"libavcodec >= 52.25.0 libavformat >= 52.30.0 libswscale"),)

PKGS_FOUND += ffmpeg

endif



$(TARBALLS)/ffmpeg-$(HASH).tar.gz:

	$(call download,$(FFMPEG_SNAPURL))



.sum-ffmpeg: $(TARBALLS)/ffmpeg-$(HASH).tar.gz

	$(warning Not implemented.)

	touch $@



ffmpeg: ffmpeg-$(HASH).tar.gz .sum-ffmpeg

	rm -Rf $@ $@-$(HASH)

	mkdir -p $@-$(HASH)

	$(ZCAT) "$<" | (cd $@-$(HASH) && tar xv --strip-components=1)

	$(MOVE)



.ffmpeg: ffmpeg

	cd $< && $(HOSTVARS) ./configure \

		--extra-ldflags="$(LDFLAGS)" $(FFMPEGCONF) \

		--prefix="$(PREFIX)" --enable-static --disable-shared

	cd $< && $(MAKE) install-libs install-headers

	touch $@