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Load predictable subtitle files over network
Only .srt for now, but in all possible language variants. Resolves #173
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160 changes: 160 additions & 0 deletions
160
app/src/main/java/com/brouken/player/SubtitleFinder.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,160 @@ | ||
| package com.brouken.player; | ||
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| import android.content.res.Resources; | ||
| import android.net.Uri; | ||
| import android.os.Build; | ||
| import android.os.LocaleList; | ||
| import android.widget.Toast; | ||
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| import androidx.annotation.NonNull; | ||
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| import com.google.android.exoplayer2.MediaItem; | ||
| import com.google.android.exoplayer2.util.Util; | ||
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| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.util.Collections; | ||
| import java.util.LinkedHashMap; | ||
| import java.util.Locale; | ||
| import java.util.Map; | ||
| import java.util.concurrent.CountDownLatch; | ||
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|
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| import okhttp3.Call; | ||
| import okhttp3.Callback; | ||
| import okhttp3.OkHttpClient; | ||
| import okhttp3.Request; | ||
| import okhttp3.Response; | ||
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| public class SubtitleFinder { | ||
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| private PlayerActivity activity; | ||
| private Uri baseUri; | ||
| private String path; | ||
| private CountDownLatch countDownLatch; | ||
| private Uri subtitleUri; | ||
| private final LinkedHashMap<Uri, Boolean> urls; | ||
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| public SubtitleFinder(PlayerActivity activity, Uri uri) { | ||
| this.activity = activity; | ||
| path = uri.getPath(); | ||
| path = path.substring(0, path.lastIndexOf('.')); | ||
| baseUri = uri; | ||
| urls = new LinkedHashMap<>(); | ||
| } | ||
|
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| private void addLocale(Locale locale) { | ||
| final String lang = locale.getISO3Language(); | ||
| urls.put(buildUri(lang + ".srt"), false); | ||
| urls.put(buildUri(Util.normalizeLanguageCode(lang) + ".srt"), false); | ||
| } | ||
|
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| private Uri buildUri(String suffix) { | ||
| final String newPath = path + "." + suffix; | ||
| return baseUri.buildUpon().path(newPath).build(); | ||
| } | ||
|
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| public void start() { | ||
| new Thread(new Runnable() { | ||
| @Override | ||
| public void run() { | ||
| urls.put(buildUri("srt"), false); | ||
|
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| if (Build.VERSION.SDK_INT >= 24) { | ||
| final LocaleList localeList = Resources.getSystem().getConfiguration().getLocales(); | ||
| for (int i = 0; i < localeList.size(); i++) { | ||
| addLocale(localeList.get(i)); | ||
| } | ||
| } else { | ||
| final Locale locale = Resources.getSystem().getConfiguration().locale; | ||
| addLocale(locale); | ||
| } | ||
|
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| OkHttpClient client = new OkHttpClient.Builder() | ||
| //.callTimeout(15, TimeUnit.SECONDS) | ||
| .build(); | ||
|
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| Callback callback = new Callback() { | ||
| @Override | ||
| public void onFailure(@NonNull Call call, @NonNull IOException e) { | ||
| countDownLatch.countDown(); | ||
| } | ||
|
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| @Override | ||
| public void onResponse(@NonNull Call call, @NonNull Response response) throws IOException { | ||
| Uri url = Uri.parse(response.request().url().toString()); | ||
| Utils.log(response.code() + ": " + url); | ||
| if (response.isSuccessful()) { | ||
| synchronized (urls) { | ||
| urls.put(url, true); | ||
| } | ||
| } | ||
| response.close(); | ||
| countDownLatch.countDown(); | ||
| } | ||
| }; | ||
|
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| for (Uri url : urls.keySet()) { | ||
| // Total Commander 3.24 / LAN plugin 3.20 does not support HTTP HEAD | ||
| //Request request = new Request.Builder().url(url.toString()).head().build(); | ||
| Request request = new Request.Builder().url(url.toString()).build(); | ||
| client.newCall(request).enqueue(callback); | ||
| } | ||
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| countDownLatch = new CountDownLatch(urls.size()); | ||
|
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| try { | ||
| countDownLatch.await(); | ||
| } catch (InterruptedException e) { | ||
| e.printStackTrace(); | ||
| } | ||
|
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| for (Map.Entry<Uri, Boolean> set : urls.entrySet()) { | ||
| if (set.getValue()) { | ||
| subtitleUri = set.getKey(); | ||
| break; | ||
| } | ||
| } | ||
|
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| if (subtitleUri == null) { | ||
| return; | ||
| } | ||
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| Utils.log(subtitleUri.toString()); | ||
|
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| // ProtocolException when reusing client: | ||
| // java.net.ProtocolException: Unexpected status line: 1 | ||
| client = new OkHttpClient.Builder() | ||
| //.callTimeout(15, TimeUnit.SECONDS) | ||
| .build(); | ||
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| Request request = new Request.Builder().url(subtitleUri.toString()).build(); | ||
| try (Response response = client.newCall(request).execute()) { | ||
| InputStream inputStream = response.body().byteStream(); | ||
| Uri convertedSubtitleUri = SubtitleUtils.convertInputStreamToUTF(activity, subtitleUri, inputStream); | ||
|
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| activity.runOnUiThread(new Runnable() { | ||
| @Override | ||
| public void run() { | ||
| activity.mPrefs.updateSubtitle(convertedSubtitleUri); | ||
| if (PlayerActivity.player != null) { | ||
| MediaItem mediaItem = PlayerActivity.player.getCurrentMediaItem(); | ||
| if (mediaItem != null) { | ||
| MediaItem.SubtitleConfiguration subtitle = SubtitleUtils.buildSubtitle(activity, convertedSubtitleUri); | ||
| mediaItem = mediaItem.buildUpon().setSubtitleConfigurations(Collections.singletonList(subtitle)).build(); | ||
| PlayerActivity.player.setMediaItem(mediaItem, false); | ||
| if (BuildConfig.DEBUG) { | ||
| Toast.makeText(activity, "Subtitle found", Toast.LENGTH_SHORT).show(); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| }); | ||
| } catch (IOException e) { | ||
| Utils.log(e.toString()); | ||
| e.printStackTrace(); | ||
| } | ||
| } | ||
| }).start(); | ||
| } | ||
|
|
||
| } |
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