4.功能使用.md

@@ -429,3 +429,127 @@ imagesVideoMaker.startMake(new ImagesVideoMaker.OnMakeListener() {
 
 ```
 
+## 4.10 视频特效
+
+视频特效预览，完整代码请参考Demo。
+
+```
+/**
+* @param startTime         开始时间（单位毫秒）
+* @param endTime           结束时间（单位毫秒）
+* @param baseEffect        特效
+*/
+public EffectPeriod addEffect(long startTime, long endTime, BaseEffect baseEffect) {
+     EffectPeriod period = new EffectPeriod(startTimeMs, endTimeMs, baseEffect);
+     effectList.putEffect(period);
+     return period;
+}
+
+//添加抖动特效
+addEffect(startTime, endTime, new ShakeEffect(context));
+//添加闪屏特效
+addEffect(startTime, endTime, new FlashEffect(context));
+//添加幻觉特效
+addEffect(startTime, endTime, new IllusionEffect(context));
+//添加毛刺特效
+addEffect(startTime, endTime, new BurrEffect(context));
+//添加缩放特效
+addEffect(startTime, endTime, new ScaleEffect(context));
+
+//预览特效
+Thread thread = new Thread(new Runnable() {
+            @Override
+            public void run() {
+                encoderSurface = new EncoderSurface(new Surface(surfaceTexture));
+                encoderSurface.makeCurrent();
+                decoderSurface = new DecoderOutputSurface(new BaseEffect(), effectList);
+                decoderSurface.setOutputResolution(new Resolution(textureViewWidth, textureViewHeight));
+                decoderSurface.setInputResolution(new Resolution(textureViewWidth, textureViewHeight));
+                decoderSurface.setupAll();
+
+                runOnUiThread(new Runnable() {
+                    @Override
+                    public void run() {
+                        while (decoderSurface.getSurface() == null) {
+                            try {
+                                Thread.sleep(30);
+                            } catch (Exception ex) {
+                                ex.printStackTrace();
+                            }
+                        }
+                        Surface surface = decoderSurface.getSurface();
+                        mediaPlayer.setSurface(surface);
+                    }
+                });
+                poll();
+
+            }
+        });
+thread.start();            
+
+```
+
+生成特效视频，完整代码请参考Demo。
+
+```
+//添加抖动特效
+effectConfigList.add(new EffectConfig(EffectType.SHAKE, effectPeriod.startTime, effectPeriod.endTime));
+//添加闪屏特效
+effectConfigList.add(new EffectConfig(EffectType.FLASH, effectPeriod.startTime, effectPeriod.endTime));
+//添加幻觉特效
+effectConfigList.add(new EffectConfig(EffectType.ILLUSION, effectPeriod.startTime, effectPeriod.endTime));
+//添加毛刺特效
+effectConfigList.add(new EffectConfig(EffectType.BURR, effectPeriod.startTime, effectPeriod.endTime));
+//添加缩放特效
+effectConfigList.add(new EffectConfig(EffectType.SCALE, effectPeriod.startTime, effectPeriod.endTime));
+
+//生成视频
+private void applyEffect() {
+        EffectList outPutEffectList = new EffectList();
+        for (EffectConfig effectConfig: effectConfigList) {
+            outPutEffectList.putEffect(new EffectPeriod(effectConfig.startTime, effectConfig.endTime, 
+            EffectType.createEffect(effectConfig.effectType, null, this)));
+        }
+        CustomProgressDialog handleProgressDialog = new CustomProgressDialog(activity);
+        handleProgressDialog.show();
+        //videoPath:原视频路径 outPath：输出视频路径
+        new Mp4Composer(videoPath, outPath)
+            .frameRate(30)
+            .effectList(outPutEffectList)
+            .listener(
+        new Mp4Composer.Listener() {
+            @Override
+            public void onProgress(double progress) {
+
+            }
+
+            @Override
+            public void onCompleted() {
+                runOnUiThread(new Runnable() {
+                    @Override
+                    public void run() {
+                        handleProgressDialog.dismiss();
+                    }
+                });
+            }
+
+            @Override
+            public void onCanceled() {
+
+            }
+
+            @Override
+            public void onFailed(Exception exception) {
+                runOnUiThread(new Runnable() {
+                    @Override
+                    public void run() {
+                        handleProgressDialog.dismiss();
+                    }
+                });
+            }
+        }).start();
+}
+
+```
+
+