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Add libopus/libvpx availability checks

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This commit is contained in:
Oliver Woodman 2015-10-27 18:36:24 +00:00
parent 4422e8a015
commit dd4d4e8f7e
4 changed files with 56 additions and 14 deletions
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9
extensions/opus/src/main/java/com/google/android/exoplayer/ext/opus/LibopusAudioTrackRenderer.java
View file

@ -119,13 +119,20 @@ public final class LibopusAudioTrackRenderer extends SampleSourceTrackRenderer
formatHolder = new MediaFormatHolder();
}
/**
* Returns whether the underlying libopus library is available.
*/
public static boolean isLibopusAvailable() {
return OpusDecoder.isLibopusAvailable();
}
/**
* Get the version of underlying libopus library.
*
* @return version of the underlying libopus library.
*/
public static String getLibopusVersion() {
return OpusDecoder.getLibopusVersion();
return isLibopusAvailable() ? OpusDecoder.getLibopusVersion() : null;
}
@Override

23
extensions/opus/src/main/java/com/google/android/exoplayer/ext/opus/OpusDecoder.java
View file

@ -26,13 +26,21 @@ import java.nio.ByteBuffer;
*/
/* package */ class OpusDecoder {
private final long nativeDecoderContext;
private static final boolean IS_AVAILABLE;
static {
System.loadLibrary("opus");
System.loadLibrary("opusJNI");
boolean isAvailable;
try {
System.loadLibrary("opus");
System.loadLibrary("opusJNI");
isAvailable = true;
} catch (UnsatisfiedLinkError exception) {
isAvailable = false;
}
IS_AVAILABLE = isAvailable;
}
private final long nativeDecoderContext;
/**
* Creates the Opus Decoder.
*
@ -81,6 +89,13 @@ import java.nio.ByteBuffer;
opusReset(nativeDecoderContext);
}
/**
* Returns whether the underlying libopus library is available.
*/
public static boolean isLibopusAvailable() {
return IS_AVAILABLE;
}
/**
* Returns the version string of the underlying libopus decoder.
*/

13
extensions/vp9/src/main/java/com/google/android/exoplayer/ext/vp9/LibvpxVideoTrackRenderer.java
View file

@ -151,12 +151,17 @@ public final class LibvpxVideoTrackRenderer extends SampleSourceTrackRenderer {
}
/**
* Get the version of underlying libvpx library.
*
* @return version of the underlying libvpx library.
* Returns whether the underlying libvpx library is available.
*/
public static boolean isLibvpxAvailable() {
return VpxDecoder.isLibvpxAvailable();
}
/**
* Returns the version of the underlying libvpx library if available, otherwise {@code null}.
*/
public static String getLibvpxVersion() {
return VpxDecoder.getLibvpxVersion();
return isLibvpxAvailable() ? VpxDecoder.getLibvpxVersion() : null;
}
@Override

25
extensions/vp9/src/main/java/com/google/android/exoplayer/ext/vp9/VpxDecoder.java
View file

@ -24,13 +24,21 @@ import java.nio.ByteBuffer;
*/
/* package */ class VpxDecoder {
private final long vpxDecContext;
private static final boolean IS_AVAILABLE;
static {
System.loadLibrary("vpx");
System.loadLibrary("vpxJNI");
boolean isAvailable;
try {
System.loadLibrary("vpx");
System.loadLibrary("vpxJNI");
isAvailable = true;
} catch (UnsatisfiedLinkError exception) {
isAvailable = false;
}
IS_AVAILABLE = isAvailable;
}
private final long vpxDecContext;
/**
* Creates the VP9 Decoder.
*
@ -54,7 +62,7 @@ import java.nio.ByteBuffer;
* @return 0 on success with a frame to render. 1 on success without a frame to render.
* @throws VpxDecoderException on decode failure.
*/
public int decode(ByteBuffer encoded, int size, OutputBuffer outputBuffer, boolean outputRgb)
public int decode(ByteBuffer encoded, int size, OutputBuffer outputBuffer, boolean outputRgb)
throws VpxDecoderException {
if (vpxDecode(vpxDecContext, encoded, size) != 0) {
throw new VpxDecoderException("libvpx decode error: " + vpxGetErrorMessage(vpxDecContext));
@ -69,6 +77,13 @@ import java.nio.ByteBuffer;
vpxClose(vpxDecContext);
}
/**
* Returns whether the underlying libvpx library is available.
*/
public static boolean isLibvpxAvailable() {
return IS_AVAILABLE;
}
/**
* Returns the version string of the underlying libvpx decoder.
*/