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Add util method to extract renderer capabilities.

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This instantiates the renderers and extract the capabilities. None of the known
renderes incurs any overhead during instantiation.

PiperOrigin-RevId: 224118511
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tonihei 2018-12-05 09:48:23 +00:00 committed by Oliver Woodman
parent 0d79208cd6
commit b993367a3b
1 changed files with 33 additions and 0 deletions
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33
library/core/src/main/java/com/google/android/exoplayer2/util/Util.java
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@ -48,8 +48,15 @@ import com.google.android.exoplayer2.C;
import com.google.android.exoplayer2.ExoPlayerLibraryInfo;
import com.google.android.exoplayer2.Format;
import com.google.android.exoplayer2.ParserException;
import com.google.android.exoplayer2.Renderer;
import com.google.android.exoplayer2.RendererCapabilities;
import com.google.android.exoplayer2.RenderersFactory;
import com.google.android.exoplayer2.SeekParameters;
import com.google.android.exoplayer2.audio.AudioRendererEventListener;
import com.google.android.exoplayer2.drm.DrmSessionManager;
import com.google.android.exoplayer2.drm.FrameworkMediaCrypto;
import com.google.android.exoplayer2.upstream.DataSource;
import com.google.android.exoplayer2.video.VideoRendererEventListener;
import java.io.ByteArrayOutputStream;
import java.io.Closeable;
import java.io.File;
@ -1842,6 +1849,32 @@ public final class Util {
return displaySize;
}
/**
* Extract renderer capabilities for the renderers created by the provided renderers factory.
*
* @param renderersFactory A {@link RenderersFactory}.
* @param drmSessionManager An optional {@link DrmSessionManager} used by the renderers.
* @return The {@link RendererCapabilities} for each renderer created by the {@code
* renderersFactory}.
*/
public static RendererCapabilities[] getRendererCapabilities(
RenderersFactory renderersFactory,
@Nullable DrmSessionManager<FrameworkMediaCrypto> drmSessionManager) {
Renderer[] renderers =
renderersFactory.createRenderers(
new Handler(),
new VideoRendererEventListener() {},
new AudioRendererEventListener() {},
(cues) -> {},
(metadata) -> {},
drmSessionManager);
RendererCapabilities[] capabilities = new RendererCapabilities[renderers.length];
for (int i = 0; i < renderers.length; i++) {
capabilities[i] = renderers[i].getCapabilities();
}
return capabilities;
}
@Nullable
private static String getSystemProperty(String name) {
try {