add ffmpeg wrapper

2022-07-11 01:34:27 +03:00
parent 047b547449
commit 69a2f03656
1 changed files with 66 additions and 0 deletions
@@ -0,0 +1,66 @@
+package ru.vtosters.lite.music;
+
+import android.os.Environment;
+import android.util.Log;
+
+import com.arthenica.ffmpegkit.FFmpegKit;
+import com.arthenica.ffmpegkit.ReturnCode;
+import com.vk.core.util.ToastUtils;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Arrays;
+
+import ru.vtosters.lite.utils.Globals;
+
+public class FFMpeg {
+    private static final int BUFFER_SIZE = 2048;
+    private static void copyAssets() {
+        try {
+            String[] files = Globals.getContext().getAssets().list("ffmpeg");
+            // log all files
+            Log.d("INIT", "files: " + Arrays.toString(files));
+            for (String file : files) {
+                if (file.endsWith(".so")) {
+                    InputStream in = Globals.getContext().getAssets().open("ffmpeg" + File.separator + file);
+                    FileOutputStream out = new FileOutputStream(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS) + "/" + file);
+                    byte[] buffer = new byte[BUFFER_SIZE];
+                    int read;
+                    while ((read = in.read(buffer)) != -1) {
+                        out.write(buffer, 0, read);
+                    }
+                    in.close();
+                    out.close();
+                }
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    private static void checkFFMpegLibs() {
+        var lib = new File(Globals.getContext().getCacheDir(), "libffmpegkit_abidetect.so");
+        if (!lib.exists()) {
+            ToastUtils.a("Копирование библиотеки ffmpegkit");
+            copyAssets();
+        }
+    }
+
+    public static boolean convert(String in, String out) {
+        checkFFMpegLibs();
+        var session = FFmpegKit.execute("-y -i " + in + " -c:a copy -f " + out);
+        var rc = session.getReturnCode();
+
+        if (ReturnCode.isSuccess(rc)) {
+            return true;
+        } else {
+            Log.e("FFMpeg", "FFmpegKit failed with return code " + rc);
+            return false;
+        }
+    }
+
+
+
+}