From d5b9d96843be694951d12b67f09fdfc4f35af83e Mon Sep 17 00:00:00 2001 From: xufulong <839789740@qq.com> Date: Wed, 8 Apr 2020 23:58:23 +0800 Subject: [PATCH] translate the note VideoHandleActivity into English translate the note VideoHandleActivity into English --- .../ffmpeg/activity/VideoHandleActivity.java | 56 ++++++++++--------- 1 file changed, 30 insertions(+), 26 deletions(-) diff --git a/app/src/main/java/com/frank/ffmpeg/activity/VideoHandleActivity.java b/app/src/main/java/com/frank/ffmpeg/activity/VideoHandleActivity.java index 468113d..0060258 100644 --- a/app/src/main/java/com/frank/ffmpeg/activity/VideoHandleActivity.java +++ b/app/src/main/java/com/frank/ffmpeg/activity/VideoHandleActivity.java @@ -22,6 +22,10 @@ import java.io.File; import static com.frank.ffmpeg.handler.FFmpegHandler.MSG_BEGIN; import static com.frank.ffmpeg.handler.FFmpegHandler.MSG_FINISH; +/** + * video process by FFmpeg command + * Created by frank on 2018/1/25. + */ public class VideoHandleActivity extends BaseActivity { private final static String TAG = VideoHandleActivity.class.getSimpleName(); @@ -104,7 +108,7 @@ public class VideoHandleActivity extends BaseActivity { } /** - * 调用ffmpeg处理视频 + * call FFmpeg cmd to process video * * @param srcFile srcFile */ @@ -118,11 +122,11 @@ public class VideoHandleActivity extends BaseActivity { return; } switch (viewId) { - case R.id.btn_video_transform://视频转码:mp4转flv、wmv, 或者flv、wmv转Mp4 + case R.id.btn_video_transform://transform format String transformVideo = PATH + File.separator + "transformVideo.mp4"; commandLine = FFmpegUtil.transformVideo(srcFile, transformVideo); break; - case R.id.btn_video_cut://视频剪切 + case R.id.btn_video_cut://cut video String suffix = FileUtil.getFileSuffix(srcFile); if (suffix == null || suffix.isEmpty()) { return; @@ -132,7 +136,7 @@ public class VideoHandleActivity extends BaseActivity { int duration = 20; commandLine = FFmpegUtil.cutVideo(srcFile, startTime, duration, cutVideo); break; - case R.id.btn_video_concat://视频合并 + case R.id.btn_video_concat://concat video // commandLine = FFmpegUtil.toTs(srcFile, ts1); // concatStep ++; // String concatVideo = PATH + File.separator + "concatVideo.mp4"; @@ -150,19 +154,19 @@ public class VideoHandleActivity extends BaseActivity { // } // commandLine = FFmpegUtil.concatVideo(srcFile, concatFile.getAbsolutePath(), concatVideo); break; - case R.id.btn_screen_shot://视频截图 + case R.id.btn_screen_shot://video snapshot String screenShot = PATH + File.separator + "screenShot.jpg"; int time = 18; commandLine = FFmpegUtil.screenShot(srcFile, time, screenShot); break; - case R.id.btn_water_mark://视频添加水印 - //1、图片 + case R.id.btn_water_mark://add watermark to video + // picture String photo = PATH + File.separator + "launcher.png"; String photoMark = PATH + File.separator + "photoMark.mp4"; String mResolution = "720x1280"; int bitRate = 1024; commandLine = FFmpegUtil.addWaterMark(srcFile, photo, mResolution, bitRate, photoMark); - //2、文字 + // text // String text = "Hello,FFmpeg"; // String textPath = PATH + File.separator + "text.jpg"; // boolean result = BitmapUtil.textToPicture(textPath, text, this); @@ -170,7 +174,7 @@ public class VideoHandleActivity extends BaseActivity { // String textMark = PATH + File.separator + "textMark.mp4"; // commandLine = FFmpegUtil.addWaterMark(srcFile, textPath, textMark); break; - case R.id.btn_generate_gif://视频转成gif + case R.id.btn_generate_gif://convert video into gif String Video2Gif = PATH + File.separator + "Video2Gif.gif"; int gifStart = 30; int gifDuration = 5; @@ -179,13 +183,13 @@ public class VideoHandleActivity extends BaseActivity { commandLine = FFmpegUtil.generateGif(srcFile, gifStart, gifDuration, resolution, frameRate, Video2Gif); break; - case R.id.btn_screen_record://屏幕录制 + case R.id.btn_screen_record://screen recording // String screenRecord = PATH + File.separator + "screenRecord.mp4"; // String screenSize = "320x240"; // int recordTime = 10; // commandLine = FFmpegUtil.screenRecord(screenSize, recordTime, screenRecord); break; - case R.id.btn_multi_video://视频画面拼接:分辨率、时长、封装格式不一致时，先把视频源转为一致 + case R.id.btn_multi_video://combine video which layout could be horizontal of vertical String input1 = PATH + File.separator + "input1.mp4"; String input2 = PATH + File.separator + "input2.mp4"; String outputFile = PATH + File.separator + "multi.mp4"; @@ -194,16 +198,16 @@ public class VideoHandleActivity extends BaseActivity { } commandLine = FFmpegUtil.multiVideo(input1, input2, outputFile, VideoLayout.LAYOUT_HORIZONTAL); break; - case R.id.btn_reverse_video://视频反序倒播 + case R.id.btn_reverse_video://video reverse String output = PATH + File.separator + "reverse.mp4"; commandLine = FFmpegUtil.reverseVideo(srcFile, output); break; - case R.id.btn_denoise_video://视频降噪 + case R.id.btn_denoise_video://noise reduction of video String denoise = PATH + File.separator + "denoise.mp4"; commandLine = FFmpegUtil.denoiseVideo(srcFile, denoise); break; - case R.id.btn_to_image://视频转图片 - String imagePath = PATH + File.separator + "Video2Image/";//图片保存路径 + case R.id.btn_to_image://convert video to picture + String imagePath = PATH + File.separator + "Video2Image/"; File imageFile = new File(imagePath); if (!imageFile.exists()) { boolean result = imageFile.mkdir(); @@ -211,25 +215,25 @@ public class VideoHandleActivity extends BaseActivity { return; } } - int mStartTime = 10;//开始时间 - int mDuration = 20;//持续时间（注意开始时间+持续时间之和不能大于视频总时长） - int mFrameRate = 10;//帧率（从视频中每秒抽多少帧） + int mStartTime = 10;//start time + int mDuration = 20;//duration + int mFrameRate = 10;//frameRate commandLine = FFmpegUtil.videoToImage(srcFile, mStartTime, mDuration, mFrameRate, imagePath); break; - case R.id.btn_pip://两个视频合成画中画 + case R.id.btn_pip://combine into picture-in-picture video String inputFile1 = PATH + File.separator + "beyond.mp4"; String inputFile2 = PATH + File.separator + "small_girl.mp4"; if (!FileUtil.checkFileExist(inputFile1) && !FileUtil.checkFileExist(inputFile2)) { return; } - //x、y坐标点需要根据全屏视频与小视频大小，进行计算 - //比如：全屏视频为320x240，小视频为120x90，那么x=200 y=150 + //x and y coordinate points need to be calculated according to the size of full video and small video + //For example: full video is 320x240, small video is 120x90, so x=200 y=150 int x = 200; int y = 150; String picInPic = PATH + File.separator + "PicInPic.mp4"; commandLine = FFmpegUtil.picInPicVideo(inputFile1, inputFile2, x, y, picInPic); break; - case R.id.btn_moov://moov前移操作，针对mp4视频moov在mdat后面的情况 + case R.id.btn_moov://moov box moves ahead, which is behind mdat box of mp4 video if (!srcFile.endsWith(FileUtil.TYPE_MP4)) { showToast(getString(R.string.tip_not_mp4_video)); return; @@ -258,17 +262,17 @@ public class VideoHandleActivity extends BaseActivity { } /** - * 图片合成视频 + * Combine pictures into video */ private void handlePhoto() { - // 图片所在路径，图片命名格式img+number.jpg - // 这里指定目录为根目录下img文件夹 + // The path of pictures, naming format: img+number.jpg + // Here assigns the directory is img under the root path String picturePath = PATH + "/img/"; if (!FileUtil.checkFileExist(picturePath)) { return; } String combineVideo = PATH + File.separator + "combineVideo.mp4"; - int frameRate = 2;// 合成视频帧率建议:1-10 普通视频帧率一般为25 + int frameRate = 2;// suggested synthetic frameRate:1-10 String[] commandLine = FFmpegUtil.pictureToVideo(picturePath, frameRate, combineVideo); if (ffmpegHandler != null) { ffmpegHandler.executeFFmpegCmd(commandLine);