色々納得できないので、要継続調査。
- NEON 有効
- スタティックライブラリ生成
- ダイナミックライブラリ生成
- x264 ライブラリを利用
git clone git://source.ffmpeg.org/ffmpeg.git ffmpeg
commit 7e49474aa02e93ba2d80b330cba1ec38f4c4f3ee
Date: Sat Aug 18 05:02:58 2012 +0200
configure を修正
$ git diff configure diff --git a/configure b/configure index 679fae0..1591f4f 100755 --- a/configure +++ b/configure @@ -1949,7 +1949,7 @@ cc_default="gcc" cxx_default="g++" host_cc_default="gcc" install="install" -ln_s="ln -sf" +ln_s="cp -f" nm_default="nm" objformat="elf" pkg_config_default=pkg-config @@ -3956,7 +3956,7 @@ YASM=$yasmexe DEPYASM=$yasmexe AR=$ar RANLIB=$ranlib -CP=cp -p +CP=cp -fp LN_S=$ln_s STRIP=$strip CPPFLAGS=$CPPFLAGS
configure 実行
TEMPDIR=`cygpath -m /tmp` \ ./configure \ --sysroot=`cygpath -m $SYSROOT` \ --cross-prefix=arm-linux-androideabi- \ --enable-cross-compile \ --target-os=linux \ --arch=arm \ --cpu=cortex-a8 \ --extra-cflags='-I../x264 -mfloat-abi=softfp -mfpu=neon' \ --extra-ldflags='-L../x264 -Wl,--fix-cortex-a8' \ --enable-libx264 \ --enable-shared \ --disable-stripping \ --enable-gpl \ --enable-version3 \ --disable-doc \ --disable-htmlpages \ --disable-manpages \ --disable-podpages \ --disable-txtpages \ --disable-ffmpeg \ --disable-ffplay \ --disable-ffprobe \ --disable-ffserver \ --disable-avdevice \ --disable-network \ --disable-devices \ --disable-protocols \ --enable-protocol=file
config.h を修正
#define CC_IDENT "gcc 4.4.3^M (GCC)" ↓ #define CC_IDENT "gcc 4.4.3 (GCC)"
config.mak を修正
CC_IDENT=gcc 4.4.3^M (GCC) ↓ CC_IDENT=gcc 4.4.3 (GCC)
ビルド実行
make -j4「-j4」は、並列ビルドオプション。
インストール
install -m 644 libavfilter/libavfilter.a "/usr/local/lib" install -m 755 libavfilter/libavfilter.so "/usr/local/lib/libavfilter.so.3.10.100" install -m 644 libavformat/libavformat.a "/usr/local/lib" install -m 755 libavformat/libavformat.so "/usr/local/lib/libavformat.so.54.25.100" install -m 644 libavcodec/libavcodec.a "/usr/local/lib" install -m 755 libavcodec/libavcodec.so "/usr/local/lib/libavcodec.so.54.53.100" install -m 644 libpostproc/libpostproc.a "/usr/local/lib" install -m 755 libpostproc/libpostproc.so "/usr/local/lib/libpostproc.so.52.0.100" install -m 644 libswresample/libswresample.a "/usr/local/lib" install -m 755 libswresample/libswresample.so "/usr/local/lib/libswresample.so.0.15.100" install -m 644 libswscale/libswscale.a "/usr/local/lib" install -m 755 libswscale/libswscale.so "/usr/local/lib/libswscale.so.2.1.101" install -m 644 libavutil/libavutil.a "/usr/local/lib" install -m 755 libavutil/libavutil.so "/usr/local/lib/libavutil.so.51.70.100" install -m 644 libavfilter/asrc_abuffer.h libavfilter/avcodec.h libavfilter/avfilter.h libavfilter/avfiltergraph.h libavfilter/buffersink.h libavfilter/buffersrc.h libavfilter/version.h "/usr/local/include/libavfilter" install -m 644 libavfilter/libavfilter.pc "/usr/local/lib/pkgconfig" install -m 644 libavformat/avformat.h libavformat/avio.h libavformat/version.h "/usr/local/include/libavformat" install -m 644 libavformat/libavformat.pc "/usr/local/lib/pkgconfig" install -m 644 libavcodec/avcodec.h libavcodec/avfft.h libavcodec/dxva2.h libavcodec/old_codec_ids.h libavcodec/vaapi.h libavcodec/vda.h libavcodec/vdpau.h libavcodec/version.h libavcodec/xvmc.h "/usr/local/include/libavcodec" install -m 644 libavcodec/libavcodec.pc "/usr/local/lib/pkgconfig" install -m 644 libpostproc/postprocess.h "/usr/local/include/libpostproc" install -m 644 libpostproc/libpostproc.pc "/usr/local/lib/pkgconfig" install -m 644 libswresample/swresample.h "/usr/local/include/libswresample" install -m 644 libswresample/libswresample.pc "/usr/local/lib/pkgconfig" install -m 644 libswscale/swscale.h libswscale/version.h "/usr/local/include/libswscale" install -m 644 libswscale/libswscale.pc "/usr/local/lib/pkgconfig" install -m 644 libavutil/adler32.h libavutil/aes.h libavutil/attributes.h libavutil/audio_fifo.h libavutil/audioconvert.h libavutil/avassert.h libavutil/avstring.h libavutil/avutil.h libavutil/base64.h libavutil/blowfish.h libavutil/bprint.h libavutil/bswap.h libavutil/common.h libavutil/cpu.h libavutil/crc.h libavutil/error.h libavutil/eval.h libavutil/fifo.h libavutil/file.h libavutil/imgutils.h libavutil/intfloat.h libavutil/intfloat_readwrite.h libavutil/intreadwrite.h libavutil/lfg.h libavutil/log.h libavutil/lzo.h libavutil/mathematics.h libavutil/md5.h libavutil/mem.h libavutil/dict.h libavutil/opt.h libavutil/parseutils.h libavutil/pixdesc.h libavutil/pixfmt.h libavutil/random_seed.h libavutil/rational.h libavutil/samplefmt.h libavutil/sha.h libavutil/time.h libavutil/timecode.h libavutil/timestamp.h libavutil/version.h libavutil/xtea.h libavutil/avconfig.h "/usr/local/include/libavutil" install -m 644 libavutil/libavutil.pc "/usr/local/lib/pkgconfig"
