视频转换

yzg-util-image/src/main/java/com/yanzuoguang/util/MediaHelper.java

@@ -102,21 +102,18 @@ public class MediaHelper extends ImageHelper {
             );
             parameter.init(grabber, recorder);
             try {
-                // 开始转换
-                // recorder.start(grabber.getFormatContext());
-                recorder.start();
                 // 转码没有图像
                 if (Frame) {
+                    // 开始转换
+                    recorder.start();
                     Frame frame;
                     while ((frame = grabber.grabFrame(true, true, true, false)) != null) {
-//                        if (grabber.grabPacket() == null) {
-//                            continue;
-//                        }
                         recorder.record(frame);
                     }
                 } else {
+                    // 开始转换
+                    recorder.start(grabber.getFormatContext());
                     avcodec.AVPacket packet;
-                    long t1 = System.currentTimeMillis();
                     while ((packet = grabber.grabPacket()) != null) {
                         recorder.recordPacket(packet);
                     }

yzg-util-image/src/test/java/helper/TestMediaHelper.java

@@ -45,7 +45,7 @@ public class TestMediaHelper {
     public void testConvertSingle() throws IOException {
         String fileName = "100M.mp4";
         // String fileName = "z001594372388232a3017ad69c82a342.MOV";
-        testConvert(fileName, 1, 1);
+        testConvert(fileName, 0.5f, 0.5f);
     }
 
     private void testConvert(String fileName, float size, float quote) throws IOException {