maimingliang / Wxrecodervideo
基于VCamera,仿微信录制短视频
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WxRecoderVideo
#更新
最近在学习FFmpeg,撸了一个短视频编辑器Cut,有兴趣可以看看
录制出来的视频的大小还是比较大,但可以通过ffmpeg 来对视频压缩,
怎么压缩?
在合成ts后对视频进行了压缩,10s压缩后大概在2M内。压缩代码如下:
protected Boolean compress(boolean mergeFlag) {
if (!mergeFlag) {
return mergeFlag;
}
String cmd = "ffmpeg -y -i " + mMediaObject.getOutputTempVideoPath() + " -strict -2 -vcodec libx264 -preset ultrafast " +
"-crf 25 -acodec aac -ar 44100 -ac 2 -b:a 96k -s 360x640 -aspect 9:16 " + mMediaObject.getOutputVideoPath();
boolean compressFlag = UtilityAdapter.FFmpegRun("", cmd) == 0;
File file = new File(mMediaObject.getOutputTempVideoPath());
if(compressFlag){ //压缩成功删除临时文件
if (file.exists()) {
file.delete();
}
file = new File(mMediaObject.getTsPath());
if (file.exists()) {
file.delete();
}
}
return compressFlag;
}
-crf:这是最重要的一个选项,用于指定输出视频的质量,取值范围是0-51,默认值为23, 数字越小输出视频的质量越高。这个选项会直接影响到输出视频的码率。一般来说, 压制480p我会用20左右,压制720p我会用16-18,1080p我没尝试过。个人觉得, 一般情况下没有必要低于16。最好的办法是大家可以多尝试几个值,每个都压几分钟,看 看最后的输出质量和文件大小,自己再按需选择。
简介
基于VCamera,仿微信录制短视频
使用
- 在build.gradle,添加wechatRecoderVideoLibrary module 。
配置manifest
<uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.RECORD_AUDIO" />
<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.RECORD_AUDIO" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
- 配置拍摄视频缓存路径
// 设置拍摄视频缓存路径
File dcim = Environment
.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM);
if (DeviceUtils.isZte()) {
if (dcim.exists()) {
VCamera.setVideoCachePath(dcim + "/recoder/");
} else {
VCamera.setVideoCachePath(dcim.getPath().replace("/sdcard/",
"/sdcard-ext/")
+ "/recoder/");
}
} else {
VCamera.setVideoCachePath(dcim + "/WeChatJuns/");
}
// VCamera.setVideoCachePath(FileUtils.getRecorderPath());
// 开启log输出,ffmpeg输出到logcat
VCamera.setDebugMode(true);
// 初始化拍摄SDK,必须
VCamera.initialize(this);
- 注册activity
<application
...
<activity android:name="com.maiml.wechatrecodervideolibrary.recoder.WechatRecoderActivity"
android:configChanges="orientation|keyboardHidden|screenSize"
android:hardwareAccelerated="true"
android:launchMode="singleTop"
android:screenOrientation="portrait"
android:theme="@style/CameraTheme"
/>
</application
- 调用 WechatRecoderActivity
WechatRecoderActivity.launchActivity(MainActivity.this,REQ_CODE);
*在 onActivityResult Method 接收结果
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if(RESULT_OK == resultCode){
if(requestCode == REQ_CODE){
String videoPath = data.getStringExtra(WechatRecoderActivity.VIDEO_PATH);
play(videoPath);
}
}
}
##参数配置
###自定义dialog
拍摄完成需要对视频进行转码,转码过程中弹出的dialog。
让你的Activity implements OnDialogListener 例如:
public class MainActivity extends AppCompatActivity implements OnDialogListener{
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
WechatRecoderActivity.launchActivity(MainActivity.this,REQ_CODE);
}
/**
* 处理自定义Dialog 的显示
* @param context 自定义dialog 依赖的Context,注意:自定义dialog的Context 需要使用这个
*
*/
@Override
public void onShowDialog(Context context) {
}
/**
* 处理自定义Dialog 的隐藏
* @param context 自定义dialog 依赖的Context,注意:自定义dialog的Context 需要使用这个
*
*/
@Override
public void onHideDialog(Context context) {
}
}
###配置参数
name | format | description |
---|---|---|
recoderTimeMax | integer | 录制的最长时间 |
recoderTimeMin | integer | 录制的最短时间 |
titleBarCancelTextColor | integer | titleBar取消字体的颜色 |
pressBtnColor | integer | 按住拍字体的颜色 |
pressBtnBg | integer | 圆环的颜色 |
lowMinTimeProgressColor | integer | Progress小于录制最短时间的颜色 |
progressColor | integer | Progress大于录制最短时间的颜色 |
注意:颜色值均为 十六进制值,例如:0xFFFC2828
##自定义参数
RecoderAttrs attrs = new RecoderAttrs.Builder()
.pressBtnColorBg(0xff00ff00)
.titleBarCancelTextColor(0xff00ff00)
.pressBtnTextColor(0xff00ff00)
.build();
WechatRecoderActivity.launchActivity(MainActivity.this,attrs,REQ_CODE);
##Thanks
#关于我
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