ALL-3936/Intel hack

core/src/main/java/com/novoda/noplayer/exoplayer/ExoPlayerCreator.java

@@ -4,17 +4,21 @@
 import android.support.annotation.NonNull;
 
 import com.google.android.exoplayer2.DefaultLoadControl;
-import com.google.android.exoplayer2.DefaultRenderersFactory;
 import com.google.android.exoplayer2.ExoPlayerFactory;
+import com.google.android.exoplayer2.RenderersFactory;
 import com.google.android.exoplayer2.SimpleExoPlayer;
 import com.google.android.exoplayer2.drm.DrmSessionManager;
 import com.google.android.exoplayer2.drm.FrameworkMediaCrypto;
 import com.google.android.exoplayer2.trackselection.DefaultTrackSelector;
 import com.novoda.noplayer.drm.DrmSessionCreator;
 import com.novoda.noplayer.exoplayer.forwarder.ExoPlayerDrmSessionEventListener;
 
+import static com.novoda.noplayer.exoplayer.SimpleRenderersFactory.EXTENSION_RENDERER_MODE_OFF;
+
 class ExoPlayerCreator {
 
+    private static final long DEFAULT_ALLOWED_VIDEO_JOINING_TIME_MS = 5000;
+
     private final Context context;
     private final DefaultTrackSelector trackSelector;
 
@@ -24,9 +28,16 @@ class ExoPlayerCreator {
     }
 
     @NonNull
-    public SimpleExoPlayer create(DrmSessionCreator drmSessionCreator, ExoPlayerDrmSessionEventListener exoPlayerDrmSessionEventListener) {
+    public SimpleExoPlayer create(DrmSessionCreator drmSessionCreator, ExoPlayerDrmSessionEventListener exoPlayerDrmSessionEventListener, boolean downgradeSecureDecoder) {
         DrmSessionManager<FrameworkMediaCrypto> drmSessionManager = drmSessionCreator.create(exoPlayerDrmSessionEventListener);
-        DefaultRenderersFactory renderersFactory = new DefaultRenderersFactory(context, drmSessionManager);
+        RenderersFactory renderersFactory = new SimpleRenderersFactory(
+                context,
+                drmSessionManager,
+                EXTENSION_RENDERER_MODE_OFF,
+                DEFAULT_ALLOWED_VIDEO_JOINING_TIME_MS,
+                SecurityDowngradingCodecSelector.newInstance(downgradeSecureDecoder)
+        );
+
         DefaultLoadControl loadControl = new DefaultLoadControl();
         return ExoPlayerFactory.newSimpleInstance(renderersFactory, trackSelector, loadControl);
     }

core/src/main/java/com/novoda/noplayer/exoplayer/ExoPlayerFacade.java

@@ -100,8 +100,8 @@ void stop() {
         exoPlayer.stop();
     }
 
-    void loadVideo(DrmSessionCreator drmSessionCreator, Uri uri, ContentType contentType, ExoPlayerForwarder forwarder) {
-        exoPlayer = exoPlayerCreator.create(drmSessionCreator, forwarder.drmSessionEventListener());
+    void loadVideo(DrmSessionCreator drmSessionCreator, Uri uri, ContentType contentType, ExoPlayerForwarder forwarder, boolean downgradeSecureDecoder) {
+        exoPlayer = exoPlayerCreator.create(drmSessionCreator, forwarder.drmSessionEventListener(), downgradeSecureDecoder);
         rendererTypeRequester = rendererTypeRequesterCreator.createfrom(exoPlayer);
         exoPlayer.addListener(forwarder.exoPlayerEventListener());
         exoPlayer.setVideoDebugListener(forwarder.videoRendererEventListener());

core/src/main/java/com/novoda/noplayer/exoplayer/ExoPlayerTwoImpl.java

@@ -30,6 +30,7 @@ public class ExoPlayerTwoImpl implements Player {
     private final ExoPlayerForwarder forwarder;
     private final Heart heart;
     private final DrmSessionCreator drmSessionCreator;
+    private final boolean downgradeSecureDecoder;
     private final LoadTimeout loadTimeout;
 
     private SurfaceHolderRequester surfaceHolderRequester;
@@ -45,13 +46,15 @@ public class ExoPlayerTwoImpl implements Player {
                      ExoPlayerForwarder exoPlayerForwarder,
                      LoadTimeout loadTimeoutParam,
                      Heart heart,
-                     DrmSessionCreator drmSessionCreator) {
+                     DrmSessionCreator drmSessionCreator,
+                     boolean downgradeSecureDecoder) {
         this.exoPlayer = exoPlayer;
         this.listenersHolder = listenersHolder;
         this.loadTimeout = loadTimeoutParam;
         this.forwarder = exoPlayerForwarder;
         this.heart = heart;
         this.drmSessionCreator = drmSessionCreator;
+        this.downgradeSecureDecoder = downgradeSecureDecoder;
     }
 
     public void initialise() {
@@ -171,7 +174,7 @@ public void loadVideo(Uri uri, ContentType contentType) {
             reset();
         }
         listenersHolder.getPreparedListeners().resetPreparedState();
-        exoPlayer.loadVideo(drmSessionCreator, uri, contentType, forwarder);
+        exoPlayer.loadVideo(drmSessionCreator, uri, contentType, forwarder, downgradeSecureDecoder);
     }
 
     @Override

core/src/main/java/com/novoda/noplayer/exoplayer/ExoPlayerTwoImplFactory.java

@@ -20,7 +20,7 @@
 
 public class ExoPlayerTwoImplFactory {
 
-    public ExoPlayerTwoImpl create(Context context, DrmSessionCreator drmSessionCreator) {
+    public ExoPlayerTwoImpl create(Context context, DrmSessionCreator drmSessionCreator, boolean downgradeSecureDecoder) {
         DefaultDataSourceFactory defaultDataSourceFactory = new DefaultDataSourceFactory(context, "user-agent");
         Handler handler = new Handler(Looper.getMainLooper());
         MediaSourceFactory mediaSourceFactory = new MediaSourceFactory(defaultDataSourceFactory, handler);
@@ -55,7 +55,8 @@ public ExoPlayerTwoImpl create(Context context, DrmSessionCreator drmSessionCrea
                 exoPlayerForwarder,
                 loadTimeout,
                 heart,
-                drmSessionCreator
+                drmSessionCreator,
+                downgradeSecureDecoder
         );
     }
 }

core/src/main/java/com/novoda/noplayer/exoplayer/SecurityDowngradingCodecSelector.java

@@ -0,0 +1,43 @@
+package com.novoda.noplayer.exoplayer;
+
+import com.google.android.exoplayer2.mediacodec.MediaCodecInfo;
+import com.google.android.exoplayer2.mediacodec.MediaCodecSelector;
+import com.google.android.exoplayer2.mediacodec.MediaCodecUtil;
+
+class SecurityDowngradingCodecSelector implements MediaCodecSelector {
+
+    private final InternalMediaCodecUtil internalMediaCodecUtil;
+    private final boolean downgradeSecureDecoder;
+
+    public static SecurityDowngradingCodecSelector newInstance(boolean downgradeSecureDecoder) {
+        InternalMediaCodecUtil internalMediaCodecUtil = new InternalMediaCodecUtil();
+        return new SecurityDowngradingCodecSelector(internalMediaCodecUtil, downgradeSecureDecoder);
+    }
+
+    SecurityDowngradingCodecSelector(InternalMediaCodecUtil internalMediaCodecUtil, boolean downgradeSecureDecoder) {
+        this.internalMediaCodecUtil = internalMediaCodecUtil;
+        this.downgradeSecureDecoder = downgradeSecureDecoder;
+    }
+
+    @Override
+    public MediaCodecInfo getDecoderInfo(String mimeType, boolean contentRequiresSecureDecoder)
+            throws MediaCodecUtil.DecoderQueryException {
+        return internalMediaCodecUtil.getDecoderInfo(mimeType, contentRequiresSecureDecoder && !downgradeSecureDecoder);
+    }
+
+    @Override
+    public MediaCodecInfo getPassthroughDecoderInfo() throws MediaCodecUtil.DecoderQueryException {
+        return internalMediaCodecUtil.getPassthroughDecoderInfo();
+    }
+
+    static class InternalMediaCodecUtil {
+
+        MediaCodecInfo getDecoderInfo(String mimeType, boolean requiresSecureDecoder) throws MediaCodecUtil.DecoderQueryException {
+            return MediaCodecUtil.getDecoderInfo(mimeType, requiresSecureDecoder);
+        }
+
+        MediaCodecInfo getPassthroughDecoderInfo() throws MediaCodecUtil.DecoderQueryException {
+            return MediaCodecUtil.getPassthroughDecoderInfo();
+        }
+    }
+}