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å建ä¸ä¸ªæ åçAndroid项ç®vPlayer
android create project -n vPlayer -t 8 -p vPlayer -k me.abitno.vplayer -a PlayerView
ç¶åå¨vPlayerç®å½é
mkdir jni && cd jni
wget htt p:/ /ffmpe g.o rg/releases/ffmpeg-0.6.t ar.bz2
tar xf ffmpeg-0.6.tar.bz2 && mv ffmpeg-0.6 ffmpeg && cd ffmpeg
å¨ffmpegä¸æ°å»ºä¸ä¸ªconfig.shï¼å
容å¦ä¸ï¼æ³¨ææPREBUILTåPLATFORM设置æ£ç¡®ãå¦å¤éé¢æäºåæ°ä½ ä¹å¯ä»¥èªè¡è°æ´ï¼æ主è¦æ¯ä¸ºäºé
ç½®ä¸ä¸ªææ¾å¨èè¿æ ·è®¾ç½®çã
#!/bin/bash
PREBUILT=/home/abitno/Android/android-ndk-r4/build/prebuilt/linux-x86/arm-eabi-4.4.0
PLATFORM=/home/abitno/Android/android-ndk-r4/build/platforms/android-8/arch-arm
./configure --target-os=linux \
--arch=arm \
--enable-version3 \
--enable-gpl \
--enable-nonfree \
--disable-stripping \
--disable-ffmpeg \
--disable-ffplay \
--disable-ffserver \
--disable-ffprobe \
--disable-encoders \
--disable-muxers \
--disable-devices \
--disable-protocols \
--enable-protocol=file \
--enable-avfilter \
--disable-network \
--disable-mpegaudio-hp \
--disable-avdevice \
--enable-cross-compile \
--cc=$PREBUILT/bin/arm-eabi-gcc \
--cross-prefix=$PREBUILT/bin/arm-eabi- \
--nm=$PREBUILT/bin/arm-eabi-nm \
--extra-cflags="-fPIC -DANDROID" \
--disable-asm \
--enable-neon \
--enable-armv5te \
--extra-ldflags="-Wl,-T,$PREBUILT/arm-eabi/lib/ldscripts/armelf.x -Wl,-rpath-link=$PLATFORM/usr/lib -L$PLATFORM/usr/lib -nostdlib $PREBUILT/lib/gcc/arm-eabi/4.4.0/crtbegin.o $PREBUILT/lib/gcc/arm-eabi/4.4.0/crtend.o -lc -lm -ldl"
è¿è¡config.shå¼å§configure
chmod +x config.sh
./config.sh
configureå®æåï¼ç¼è¾ååçæçconfig.hï¼æ¾å°è¿å¥
#define restrict restrict
AndroidçGCCä¸æ¯ærestrictå
³é®åï¼äºæ¯ä¿®æ¹æä¸é¢è¿æ ·
#define restrict
ç¼è¾libavutil/libm.hï¼æå
¶ä¸çstaticæ¹æ³é½å é¤ã
åå«ä¿®æ¹libavcodecãlibavfilterãlibavformatãlibavutilãlibpostprocålibswscaleä¸çMakefileï¼æä¸é¢ä¸¤å¥å é¤
include $(SUBDIR)../subdir.mak
include $(SUBDIR)../config.mak
å¨ffmpegä¸æ·»å ä¸ä¸ªæ件av.mkï¼å
容å¦ä¸
# LOCAL_PATH is one of libavutil, libavcodec, libavformat, or libswscale
#include $(LOCAL_PATH)/../config-$(TARGET_ARCH).mak
include $(LOCAL_PATH)/../config.mak
OBJS :=
OBJS-yes :=
MMX-OBJS-yes :=
include $(LOCAL_PATH)/Makefile
# collect objects
OBJS-$(HAVE_MMX) += $(MMX-OBJS-yes)
OBJS += $(OBJS-yes)
FFNAME := lib$(NAME)
FFLIBS := $(foreach,NAME,$(FFLIBS),lib$(NAME))
FFCFLAGS = -DHAVE_AV_CONFIG_H -Wno-sign-compare -Wno-switch -Wno-pointer-sign
FFCFLAGS += -DTARGET_CONFIG=\"config-$(TARGET_ARCH).h\"
ALL_S_FILES := $(wildcard $(LOCAL_PATH)/$(TARGET_ARCH)/*.S)
ALL_S_FILES := $(addprefix $(TARGET_ARCH)/, $(notdir $(ALL_S_FILES)))
ifneq ($(ALL_S_FILES),)
ALL_S_OBJS := $(patsubst %.S,%.o,$(ALL_S_FILES))
C_OBJS := $(filter-out $(ALL_S_OBJS),$(OBJS))
S_OBJS := $(filter $(ALL_S_OBJS),$(OBJS))
else
C_OBJS := $(OBJS)
S_OBJS :=
endif
C_FILES := $(patsubst %.o,%.c,$(C_OBJS))
S_FILES := $(patsubst %.o,%.S,$(S_OBJS))
FFFILES := $(sort $(S_FILES)) $(sort $(C_FILES))
æ¥ä¸æ¥è¦æ·»å ä¸ç³»åçAndroid.mkï¼å¨jniæ ¹ç®å½ä¸çå
容å¦ä¸
include $(all-subdir-makefiles)
å¨ffmpegç®å½ä¸ï¼Android.mk
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_STATIC_LIBRARIES := libavformat libavcodec libavutil libpostproc libswscale
LOCAL_MODULE := ffmpeg
include $(BUILD_SHARED_LIBRARY)
include $(call all-makefiles-under,$(LOCAL_PATH))
libavformat/Android.mk
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
include $(LOCAL_PATH)/../av.mk
LOCAL_SRC_FILES := $(FFFILES)
LOCAL_C_INCLUDES := \
$(LOCAL_PATH) \
$(LOCAL_PATH)/..
LOCAL_CFLAGS += $(FFCFLAGS)
LOCAL_CFLAGS += -include "string.h" -Dipv6mr_interface=ipv6mr_ifindex
LOCAL_LDLIBS := -lz
LOCAL_STATIC_LIBRARIES := $(FFLIBS)
LOCAL_MODULE := $(FFNAME)
include $(BUILD_STATIC_LIBRARY)
libavcodec/Android.mk
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
include $(LOCAL_PATH)/../av.mk
LOCAL_SRC_FILES := $(FFFILES)
LOCAL_C_INCLUDES := \
$(LOCAL_PATH) \
$(LOCAL_PATH)/..
LOCAL_CFLAGS += $(FFCFLAGS)
LOCAL_LDLIBS := -lz
LOCAL_STATIC_LIBRARIES := $(FFLIBS)
LOCAL_MODULE := $(FFNAME)
include $(BUILD_STATIC_LIBRARY)
libavfilterãlibavutilãlibpostprocålibswscaleä¸çAndroid.mkå
容å¦ä¸
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
include $(LOCAL_PATH)/../av.mk
LOCAL_SRC_FILES := $(FFFILES)
LOCAL_C_INCLUDES := \
$(LOCAL_PATH) \
$(LOCAL_PATH)/..
LOCAL_CFLAGS += $(FFCFLAGS)
LOCAL_STATIC_LIBRARIES := $(FFLIBS)
LOCAL_MODULE := $(FFNAME)
include $(BUILD_STATIC_LIBRARY)
æå¤å±çjni/Android.mkåjni/ffmpeg/Android.mkæåªæ¯é便è¿æ ·åçï¼ä½ åºè¯¥æ ¹æ®èªå·±çéæ±æ¹åã
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