SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)' LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"' SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)' SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)' LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"' SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)' SLIB_INSTALL_LINKS='$(SLIBNAME)'
#!/bin/bash
NDK=/usr/local/android-ndk-r10d
SYSROOT=$NDK/platforms/android-15/arch-arm/
TOOLCHAIN=$NDK/toolchains/arm-linux-androideabi-4.9/prebuilt/darwin-x86_64
function build_one
{
./configure \
--prefix=$PREFIX \
--enable-shared \
--disable-static \
--disable-doc \
--disable-ffmpeg \
--disable-ffplay \
--disable-ffprobe \
--disable-ffserver \
--disable-avdevice \
--disable-doc \
--disable-symver \
--cross-prefix=$TOOLCHAIN/bin/arm-linux-androideabi- \
--target-os=linux \
--arch=arm \
--enable-cross-compile \
--sysroot=$SYSROOT \
--extra-cflags="-Os -fpic $ADDI_CFLAGS" \
--extra-ldflags="$ADDI_LDFLAGS" \
$ADDITIONAL_CONFIGURE_FLAG
make clean
make
make install
}
CPU=arm
PREFIX=$(pwd)/android/$CPU
ADDI_CFLAGS="-marm"
build_one
sudo chmod +x build_android.sh ./build_android.sh
[cg@local]# ls -R android/
arm android//arm: Android.mk include lib android//arm/include: libavcodec libavfilter libavformat libavutil libswresample libswscale android//arm/include/libavcodec: avcodec.h avfft.h dv_profile.h dxva2.h old_codec_ids.h vaapi.h vda.h vdpau.h version.h vorbis_parser.h xvmc.h android//arm/include/libavfilter: asrc_abuffer.h avcodec.h avfilter.h avfiltergraph.h buffersink.h buffersrc.h version.h android//arm/include/libavformat: avformat.h avio.h version.h android//arm/include/libavutil: adler32.h avstring.h cast5.h downmix_info.h hash.h macros.h opt.h replaygain.h time.h aes.h avutil.h channel_layout.h error.h hmac.h mathematics.h parseutils.h ripemd.h timecode.h attributes.h base64.h common.h eval.h imgutils.h md5.h pixdesc.h samplefmt.h timestamp.h audio_fifo.h blowfish.h cpu.h ffversion.h intfloat.h mem.h pixelutils.h sha.h version.h audioconvert.h bprint.h crc.h fifo.h intreadwrite.h motion_vector.h pixfmt.h sha512.h xtea.h avassert.h bswap.h dict.h file.h lfg.h murmur3.h random_seed.h stereo3d.h avconfig.h buffer.h display.h frame.h log.h old_pix_fmts.h rational.h threadmessage.h android//arm/include/libswresample: swresample.h version.h android//arm/include/libswscale: swscale.h version.h android//arm/lib: libavcodec-56.so libavfilter-5.so libavformat-56.so libavutil-54.so libswresample-1.so libswscale-3.so pkgconfig libavcodec.so libavfilter.so libavformat.so libavutil.so libswresample.so libswscale.so android//arm/lib/pkgconfig: libavcodec.pc libavfilter.pc libavformat.pc libavutil.pc libswresample.pc libswscale.pc
LOCAL_PATH:= $(call my-dir) include $(CLEAR_VARS) LOCAL_MODULE:= libavcodec LOCAL_SRC_FILES:= lib/libavcodec-56.so LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)/include include $(PREBUILT_SHARED_LIBRARY) include $(CLEAR_VARS) LOCAL_MODULE:= libavformat LOCAL_SRC_FILES:= lib/libavformat-56.so LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)/include include $(PREBUILT_SHARED_LIBRARY) include $(CLEAR_VARS) LOCAL_MODULE:= libswscale LOCAL_SRC_FILES:= lib/libswscale-3.so LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)/include include $(PREBUILT_SHARED_LIBRARY) include $(CLEAR_VARS) LOCAL_MODULE:= libavutil LOCAL_SRC_FILES:= lib/libavutil-54.so LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)/include include $(PREBUILT_SHARED_LIBRARY) include $(CLEAR_VARS) LOCAL_MODULE:= libavfilter LOCAL_SRC_FILES:= lib/libavfilter-5.so LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)/include include $(PREBUILT_SHARED_LIBRARY) include $(CLEAR_VARS) LOCAL_MODULE:= libswresample LOCAL_SRC_FILES:= lib/libswresample-1.so LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)/include include $(PREBUILT_SHARED_LIBRARY)
sdk.dir=/usr/local/bin/android-sdk-macosx
sdk.dir=/usr/local/bin/android-sdk-macosx ndk.dir=/usr/local/bin/android-ndk-r10d
sourceSets.main.jni.srcDirs = []
ndk {
abiFilter "armeabi"
moduleName "ovsplayer"
ldLibs "log", "z", "m", "jnigraphics", "android"
}
android {
compileSdkVersion 21
buildToolsVersion "21.1.1"
sourceSets.main.jni.srcDirs = [] // 禁用自动执行ndk-build
defaultConfig {
applicationId "com.example.chengang.myapplication"
minSdkVersion 15
targetSdkVersion 21
versionCode 1
versionName "1.0"
ndk {
abiFilter "armeabi"
moduleName "ovsplayer" // 这个是C文件的名字
ldLibs "log", "z", "m", "jnigraphics", "android"
}
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
#include <stdio.h>
#include <stdlib.h>
#include "com_example_chengang_myapplication_MainActivity.h"
#include "libavutil/avutil.h"
#include "libavcodec/avcodec.h"
#include "libavformat/avformat.h"
JNIEXPORT jstring JNICALL Java_com_example_chengang_myapplication_MainActivity_getStringFromNative
(JNIEnv * env , jobject obj)
{
const char *url = "/mnt/sdcard/1.mp4";
av_register_all();
AVFormatContext *pFormatCtx = NULL;
int ret = avformat_open_input(&pFormatCtx, url, NULL, NULL);
ret = avformat_find_stream_info(input_context, NULL);
int streamNum = input_context->nb_streams;
char wd[512];
sprintf(wd, "AVCODEC VERSION %u\n, streamNum[%d]"
, avcodec_version()
, streamNum
);
return (*env)->NewStringUTF(env, wd);
}
package com.example.chengang.myapplication;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.TextView;
public class MainActivity extends ActionBarActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
TextView view = (TextView) findViewById(R.id.mytext);
view.setText(this.getStringFromNative());
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
public native String getStringFromNative();
static {
System.loadLibrary("swresample-1");
System.loadLibrary("avutil-54");
System.loadLibrary("avformat-56");
System.loadLibrary("avcodec-56");
System.loadLibrary("swscale-3");
System.loadLibrary("ovsplayer");
}
}
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity"> <TextView android:id="@+id/mytext" android:text="@string/hello_world" android:layout_width="wrap_content" android:layout_height="wrap_content" /> </RelativeLayout>
LOCAL_PATH := $(call my-dir) include $(CLEAR_VARS) LOCAL_MODULE := ovsplayer LOCAL_LDLIBS := \ -lm \ -ljnigraphics \ -landroid \ -llog \ -lz \ LOCAL_SHARED_LIBRARIES := libavformat libavcodec libswscale libavutil LOCAL_SRC_FILES := \ /Users/chengang/Code/Android/MyApplication4/app/src/main/jni/ovsplayer.c \ LOCAL_C_INCLUDES += /Users/chengang/Code/Android/MyApplication4/app/src/main/jni LOCAL_C_INCLUDES += /Users/chengang/Code/Android/MyApplication4/app/src/debug/jni include $(BUILD_SHARED_LIBRARY) $(call import-module,ffmpeg-2.5.3/android/arm)
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