gstreamer_lib/resource/gstreamer-1.0-android-universal-1.20.3/x86_64/share/gst-android/ndk-build/GStreamer.java

package org.freedesktop.gstreamer;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import android.content.Context;
import android.content.res.AssetManager;

public class GStreamer {
    private static native void nativeInit(Context context) throws Exception;

    public static void init(Context context) throws Exception {
@INCLUDE_CA_CERTIFICATES@        copyCaCertificates(context);
@INCLUDE_FONTS@        copyFonts(context);
        nativeInit(context);
    }

@INCLUDE_FONTS@    private static void copyFonts(Context context) {
@INCLUDE_FONTS@        AssetManager assetManager = context.getAssets();
@INCLUDE_FONTS@        File filesDir = context.getFilesDir();
@INCLUDE_FONTS@        File fontsFCDir = new File (filesDir, "fontconfig");
@INCLUDE_FONTS@        File fontsDir = new File (fontsFCDir, "fonts");
@INCLUDE_FONTS@        File fontsCfg = new File (fontsFCDir, "fonts.conf");
@INCLUDE_FONTS@
@INCLUDE_FONTS@        fontsDir.mkdirs();
@INCLUDE_FONTS@
@INCLUDE_FONTS@        try {
@INCLUDE_FONTS@            /* Copy the config file */
@INCLUDE_FONTS@            copyFile (assetManager, "fontconfig/fonts.conf", fontsCfg);
@INCLUDE_FONTS@            /* Copy the fonts */
@INCLUDE_FONTS@            for(String filename : assetManager.list("fontconfig/fonts/truetype")) {
@INCLUDE_FONTS@                File font = new File(fontsDir, filename);
@INCLUDE_FONTS@                copyFile (assetManager, "fontconfig/fonts/truetype/" + filename, font);
@INCLUDE_FONTS@            }
@INCLUDE_FONTS@        } catch (IOException e) {
@INCLUDE_FONTS@            e.printStackTrace();
@INCLUDE_FONTS@        }
@INCLUDE_FONTS@    }

@INCLUDE_CA_CERTIFICATES@    private static void copyCaCertificates(Context context) {
@INCLUDE_CA_CERTIFICATES@        AssetManager assetManager = context.getAssets();
@INCLUDE_CA_CERTIFICATES@        File filesDir = context.getFilesDir();
@INCLUDE_CA_CERTIFICATES@        File sslDir = new File (filesDir, "ssl");
@INCLUDE_CA_CERTIFICATES@        File certsDir = new File (sslDir, "certs");
@INCLUDE_CA_CERTIFICATES@        File certs = new File (certsDir, "ca-certificates.crt");
@INCLUDE_CA_CERTIFICATES@
@INCLUDE_CA_CERTIFICATES@        certsDir.mkdirs();
@INCLUDE_CA_CERTIFICATES@
@INCLUDE_CA_CERTIFICATES@        try {
@INCLUDE_CA_CERTIFICATES@            /* Copy the certificates file */
@INCLUDE_CA_CERTIFICATES@            copyFile (assetManager, "ssl/certs/ca-certificates.crt", certs);
@INCLUDE_CA_CERTIFICATES@        } catch (IOException e) {
@INCLUDE_CA_CERTIFICATES@            e.printStackTrace();
@INCLUDE_CA_CERTIFICATES@        }
@INCLUDE_CA_CERTIFICATES@    }

@INCLUDE_COPY_FILE@    private static void copyFile(AssetManager assetManager, String assetPath, File outFile) throws IOException {
@INCLUDE_COPY_FILE@        InputStream in = null;
@INCLUDE_COPY_FILE@        OutputStream out = null;
@INCLUDE_COPY_FILE@        IOException exception = null;
@INCLUDE_COPY_FILE@
@INCLUDE_COPY_FILE@        if (outFile.exists())
@INCLUDE_COPY_FILE@            outFile.delete();
@INCLUDE_COPY_FILE@
@INCLUDE_COPY_FILE@        try {
@INCLUDE_COPY_FILE@            in = assetManager.open(assetPath);
@INCLUDE_COPY_FILE@            out = new FileOutputStream(outFile);
@INCLUDE_COPY_FILE@
@INCLUDE_COPY_FILE@            byte[] buffer = new byte[1024];
@INCLUDE_COPY_FILE@            int read;
@INCLUDE_COPY_FILE@            while ((read = in.read(buffer)) != -1) {
@INCLUDE_COPY_FILE@                out.write(buffer, 0, read);
@INCLUDE_COPY_FILE@            }
@INCLUDE_COPY_FILE@            out.flush();
@INCLUDE_COPY_FILE@        } catch (IOException e) {
@INCLUDE_COPY_FILE@            exception = e;
@INCLUDE_COPY_FILE@        } finally {
@INCLUDE_COPY_FILE@            if (in != null)
@INCLUDE_COPY_FILE@                try {
@INCLUDE_COPY_FILE@                    in.close();
@INCLUDE_COPY_FILE@                } catch (IOException e) {
@INCLUDE_COPY_FILE@                    if (exception == null)
@INCLUDE_COPY_FILE@                        exception = e;
@INCLUDE_COPY_FILE@                }
@INCLUDE_COPY_FILE@            if (out != null)
@INCLUDE_COPY_FILE@                try {
@INCLUDE_COPY_FILE@                    out.close();
@INCLUDE_COPY_FILE@                } catch (IOException e) {
@INCLUDE_COPY_FILE@                    if (exception == null)
@INCLUDE_COPY_FILE@                        exception = e;
@INCLUDE_COPY_FILE@                }
@INCLUDE_COPY_FILE@            if (exception != null)
@INCLUDE_COPY_FILE@                throw exception;
@INCLUDE_COPY_FILE@        }
@INCLUDE_COPY_FILE@    }
}