视频压缩

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

@@ -123,6 +123,35 @@ public class MediaParameter extends BaseVo {
     @ApiModelProperty(notes = "视频比特率压缩比，算法为: 最终比特率= Math.max(minAudioBitRate,audioBitRate * audioBitRateZip)")
     private float videoBitRateZip = 0;
 
+    /**
+     * 默认构造函数
+     */
+    public MediaParameter() {
+    }
+
+    /**
+     * 视频压缩
+     *
+     * @param videoSizeZip    宽，高，压缩比
+     * @param videoBitRateZip 比特率压缩比,相当于视频质量
+     */
+    public MediaParameter(float videoSizeZip, float videoBitRateZip) {
+        this.videoSizeZip = videoSizeZip;
+        this.videoBitRateZip = videoBitRateZip;
+    }
+
+    /**
+     * 视频压缩
+     *
+     * @param audioBitRateZip 音频质量压缩比
+     * @param videoSizeZip    宽，高，压缩比
+     * @param videoBitRateZip 比特率压缩比,相当于视频质量
+     */
+    public MediaParameter(float audioBitRateZip, float videoSizeZip, float videoBitRateZip) {
+        this.audioBitRateZip = audioBitRateZip;
+        this.videoSizeZip = videoSizeZip;
+        this.videoBitRateZip = videoBitRateZip;
+    }
 
     /**
      * 音频最终比特率
@@ -317,6 +346,7 @@ public class MediaParameter extends BaseVo {
         this.videoBitRateZip = StringHelper.getFirst(this.videoBitRateZip, 0.1f);
         // 设置压缩大小
         this.videoSizeZip = StringHelper.getFirst(this.videoSizeZip, 0.1f);
+
         // 设置音频最小比特率
         this.minAudioBitRate = StringHelper.getFirst(this.minAudioBitRate, 48043);
     }
@@ -330,7 +360,7 @@ public class MediaParameter extends BaseVo {
         // 设置最小高度,指的是宽度和高度中的小值，宽度>高度
         this.minVideoHeight = StringHelper.getFirst(this.minVideoHeight, 360);
         // 设置视频最小比特率
-        this.minVideoBitRate = StringHelper.getFirst(this.minAudioBitRate, 295581);
+        this.minVideoBitRate = StringHelper.getFirst(this.minVideoBitRate, 295581);
     }
 
     /**
@@ -341,6 +371,8 @@ public class MediaParameter extends BaseVo {
         this.minVideoWidth = StringHelper.getFirst(this.minVideoWidth, 800);
         // 设置最小高度,指的是宽度和高度中的小值，宽度>高度
         this.minVideoHeight = StringHelper.getFirst(this.minVideoHeight, 600);
+        // 设置视频最小比特率
+        this.minVideoBitRate = StringHelper.getFirst(this.minVideoBitRate, 600000);
     }
 
     /**
@@ -350,7 +382,7 @@ public class MediaParameter extends BaseVo {
         // 设置最小宽度,指的是宽度和高度中的大值，宽度>高度
         this.minVideoWidth = StringHelper.getFirst(this.minVideoWidth, 960);
         // 设置视频最小比特率
-        this.minVideoBitRate = StringHelper.getFirst(this.minAudioBitRate, 2955811);
+        this.minVideoBitRate = StringHelper.getFirst(this.minVideoBitRate, 2955811);
     }
 
     /**
@@ -362,7 +394,7 @@ public class MediaParameter extends BaseVo {
         // 设置最小高度,指的是宽度和高度中的小值，宽度>高度
         this.minVideoHeight = StringHelper.getFirst(this.minVideoHeight, 1080);
         // 设置视频最小比特率
-        this.minVideoBitRate = StringHelper.getFirst(this.minAudioBitRate, 8311136);
+        this.minVideoBitRate = StringHelper.getFirst(this.minVideoBitRate, 8311136);
     }
 
     /**

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

@@ -36,7 +36,7 @@ public class TestMediaHelper {
     public void testConvert() throws IOException {
         for (String fileName : fileNames) {
             for (int i = 0; i < sizes.length; i++) {
-                testConvert(fileName, sizes[i], quotes[i]);
+                testConvert(fileName, new MediaParameter(sizes[i], quotes[i]));
             }
         }
     }
@@ -45,7 +45,7 @@ public class TestMediaHelper {
     public void testConvertSingle() throws IOException {
         String fileName = "100M.mp4";
         // String fileName = "z001594372388232a3017ad69c82a342.MOV";
-        testConvert(fileName, 0.25f, 0.10f);
+        testConvert(fileName, new MediaParameter(0.25f, 0.10f));
     }
 
 
@@ -53,27 +53,38 @@ public class TestMediaHelper {
     public void testMinZipSingle() throws IOException {
         String fileName = "100M.mp4";
         // String fileName = "z001594372388232a3017ad69c82a342.MOV";
-        testConvert(fileName, 0.01f, 0.01f);
+        testConvert(fileName, new MediaParameter(0.01f, 0.01f));
+    }
+
+
+    /**
+     * 按照微信的压缩标准
+     *
+     * @throws IOException
+     */
+    @Test
+    public void testMinZipWeixin() throws IOException {
+        String fileName = "100M.mp4";
+        // String fileName = "z001594372388232a3017ad69c82a342.MOV";
+        MediaParameter parameter = new MediaParameter(0.01f, 0.01f);
+        parameter.initZip1920_1080();
+        testConvert(fileName, parameter);
     }
 
     @Test
     public void testConvertSingle_Two() throws IOException {
         String fileName = "100M.mp4.size_50.quot_50.mp4";
         // String fileName = "z001594372388232a3017ad69c82a342.MOV";
-        testConvert(fileName, 0.5f, 0.5f);
+        testConvert(fileName, new MediaParameter(0.5f, 0.5f));
     }
 
-    private void testConvert(String fileName, float size, float quote) throws IOException {
+    private void testConvert(String fileName, MediaParameter parameter) throws IOException {
+        if (parameter == null) {
+            parameter = new MediaParameter();
+        }
         String file = getFile(fileName);
         String targetFile = getTargetFile("target/" + fileName);
-
-
-        String toFile = String.format("%s.size_%d.quot_%d.mp4", targetFile, (int) (size * 100), (int) (quote * 100));
-
-        MediaParameter parameter = new MediaParameter();
-        parameter.setVideoSizeZip(size);
-        parameter.setVideoBitRateZip(quote);
-
+        String toFile = String.format("%s.size_%d.quot_%d.mp4", targetFile, (int) (parameter.getVideoSizeZip() * 100), (int) (parameter.getVideoBitRateZip() * 100));
         MediaHelper.zipVideoMp4(file, toFile, parameter);
     }
 }