From 73004fe84d41e35136ea814cc0cf1008f96f01f0 Mon Sep 17 00:00:00 2001 From: xiaowusky Date: Mon, 15 May 2023 16:08:37 +0800 Subject: [PATCH] =?UTF-8?q?desc:java=E4=BB=A3=E7=A0=81=E6=96=B9=E5=BC=8F?= =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E6=B0=B4=E5=8D=B0?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../java/org/easydarwin/push/MediaStream.java | 4 + .../java/org/easydarwin/sw/TxtOverlay.java | 47 ++++++++--- .../java/org/easydarwin/util/YUVUtils.java | 73 ++++++++++++++++++ .../main/res/drawable-hdpi/float_button.png | Bin 0 -> 7663 bytes 4 files changed, 114 insertions(+), 10 deletions(-) create mode 100644 library/src/main/java/org/easydarwin/util/YUVUtils.java create mode 100644 library/src/main/res/drawable-hdpi/float_button.png diff --git a/library/src/main/java/org/easydarwin/push/MediaStream.java b/library/src/main/java/org/easydarwin/push/MediaStream.java index 59a5a93..ef9a3dd 100644 --- a/library/src/main/java/org/easydarwin/push/MediaStream.java +++ b/library/src/main/java/org/easydarwin/push/MediaStream.java @@ -404,6 +404,9 @@ public class MediaStream extends Service implements LifecycleObserver { public void onPreviewFrame2(byte[] data, Object camera) { if (camera instanceof Camera) { + if (PreferenceManager.getDefaultSharedPreferences(mApplicationContext).getBoolean("key_enable_video_overlay", true)) { + overlay.javaOverlay(data, "EasyPusher"); + } if (mDgree == 0) { Camera.CameraInfo camInfo = new Camera.CameraInfo(); Camera.getCameraInfo(mCameraId, camInfo); @@ -425,6 +428,7 @@ public class MediaStream extends Service implements LifecycleObserver { if (PreferenceManager.getDefaultSharedPreferences(mApplicationContext).getBoolean("key_enable_video_overlay", true)) { String txt;// = String.format("drawtext=fontfile=" + mApplicationContext.getFileStreamPath("SIMYOU.ttf") + ": text='%s%s':x=(w-text_w)/2:y=H-60 :fontcolor=white :box=1:boxcolor=0x00000000@0.3", "EasyPusher", new SimpleDateFormat("yyyy-MM-ddHHmmss").format(new Date())); txt = "EasyPusher " + new SimpleDateFormat("yy-MM-dd HH:mm:ss SSS").format(new Date()); + overlay.javaOverlay(data, txt); overlay.overlay(data, txt); } mVC.onVideo(data, NV21); diff --git a/library/src/main/java/org/easydarwin/sw/TxtOverlay.java b/library/src/main/java/org/easydarwin/sw/TxtOverlay.java index bac0708..39cb5ce 100644 --- a/library/src/main/java/org/easydarwin/sw/TxtOverlay.java +++ b/library/src/main/java/org/easydarwin/sw/TxtOverlay.java @@ -1,8 +1,13 @@ package org.easydarwin.sw; import android.content.Context; +import android.graphics.Bitmap; +import android.graphics.BitmapFactory; import android.text.TextUtils; +import org.easydarwin.easypusher.R; +import org.easydarwin.util.YUVUtils; + import java.io.File; /** @@ -17,32 +22,54 @@ public class TxtOverlay { private final Context context; - public TxtOverlay(Context context){ + int startY = 100;//水印Y轴的位置 + int startX = 100;//水印X轴的位置 + Bitmap bmp; + byte[] mark; + + public TxtOverlay(Context context) { this.context = context; + //从drawble中获取水印图片 + Bitmap bmp1 = BitmapFactory.decodeResource(context.getResources(), R.drawable.float_button); + //缩小图片 + bmp = YUVUtils.scaleImage(bmp1, 40, 40); + //转YUV + mark = YUVUtils.getYUVByBitmap(bmp); } + private long ctx; - public void init(int width, int height,String fonts) { - if (TextUtils.isEmpty(fonts)){ + public void init(int width, int height, String fonts) { + if (TextUtils.isEmpty(fonts)) { throw new IllegalArgumentException("the font file must be valid!"); } - if (!new File(fonts).exists()){ + if (!new File(fonts).exists()) { throw new IllegalArgumentException("the font file must be exists!"); } - ctx = txtOverlayInit(width, height,fonts); + ctx = txtOverlayInit(width, height, fonts); } public void overlay(byte[] data, String txt) { -// txt = "drawtext=fontfile="+context.getFileStreamPath("SIMYOU.ttf")+": text='EasyPusher 2017':x=(w-text_w)/2:y=H-60 :fontcolor=white :box=1:boxcolor=0x00000000@0.3"; -// txt = "movie=/sdcard/qrcode.png [logo];[in][logo] " -// + "overlay=" + 0 + ":" + 0 -// + " [out]"; -// if (ctx == 0) throw new RuntimeException("init should be called at first!"); if (ctx == 0) return; txtOverlay(ctx, data, txt); } + public void javaOverlay(byte[] data, + String txt) { + if (ctx == 0) return; + int j = 0; + for (int i = startY; i < bmp.getHeight() + startY; i++) { + for (int c = 0; c < bmp.getWidth(); c++) { + //去掉PNG水印的黑边 + if (mark[j * bmp.getWidth() + c] != 0x10 && mark[j * bmp.getWidth() + c] != 0x80 && mark[j * bmp.getWidth() + c] != 0xeb) { + System.arraycopy(mark, j * bmp.getWidth() + c, data, startX + i * 1280 + c, 1); + } + } + j++; + } + } + public void release() { if (ctx == 0) return; txtOverlayRelease(ctx); diff --git a/library/src/main/java/org/easydarwin/util/YUVUtils.java b/library/src/main/java/org/easydarwin/util/YUVUtils.java new file mode 100644 index 0000000..a1695ef --- /dev/null +++ b/library/src/main/java/org/easydarwin/util/YUVUtils.java @@ -0,0 +1,73 @@ +package org.easydarwin.util; + +import android.graphics.Bitmap; +import android.graphics.Matrix; + +public class YUVUtils { + //缩小图片到制定长宽 + public static Bitmap scaleImage(Bitmap bm, int newWidth, int newHeight) { + if (bm == null) { + return null; + } + int width = bm.getWidth(); + int height = bm.getHeight(); + float scaleWidth = ((float) newWidth) / width; + float scaleHeight = ((float) newHeight) / height; + Matrix matrix = new Matrix(); + matrix.postScale(scaleWidth, scaleHeight); + Bitmap newbm = Bitmap.createBitmap(bm, 0, 0, width, height, matrix, + true); + if (bm != null & !bm.isRecycled()) { + bm.recycle(); + bm = null; + } + return newbm; + } + + //图片转YUV + public static byte[] getYUVByBitmap(Bitmap bitmap) { + if (bitmap == null) { + return null; + } + int width = bitmap.getWidth(); + int height = bitmap.getHeight(); + + int size = width * height; + + int pixels[] = new int[size]; + bitmap.getPixels(pixels, 0, width, 0, 0, width, height); + byte[] data = rgb2YCbCr420(pixels, width, height); + + return data; + } + + public static byte[] rgb2YCbCr420(int[] pixels, int width, int height) { + int len = width * height; + //yuv格式数组大小，y亮度占len长度，u,v各占len/4长度。 + byte[] yuv = new byte[len * 3 / 2]; + int y, u, v; + for (int i = 0; i < height; i++) { + for (int j = 0; j < width; j++) { + //屏蔽ARGB的透明度值 + int rgb = pixels[i * width + j] & 0x00FFFFFF; + //像素的颜色顺序为bgr，移位运算。 + int r = rgb & 0xFF; + int g = (rgb >> 8) & 0xFF; + int b = (rgb >> 16) & 0xFF; + //套用公式 + y = ((66 * r + 129 * g + 25 * b + 128) >> 8) + 16; + u = ((-38 * r - 74 * g + 112 * b + 128) >> 8) + 128; + v = ((112 * r - 94 * g - 18 * b + 128) >> 8) + 128; + + y = y < 16 ? 16 : (y > 255 ? 255 : y); + u = u < 0 ? 0 : (u > 255 ? 255 : u); + v = v < 0 ? 0 : (v > 255 ? 255 : v); + //赋值 + yuv[i * width + j] = (byte) y; + yuv[len + (i >> 1) * width + (j & ~1) + 0] = (byte) u; + yuv[len + +(i >> 1) * width + (j & ~1) + 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