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List available encoders on invalid name specified

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If an invalid encoder name is given via the --encoder option, list all
the H.264 encoders available on the device.
This commit is contained in:
Romain Vimont
2020-11-07 15:53:48 +01:00
parent 363eeea19e
commit 42ab8fd611
3 changed files with 53 additions and 1 deletions
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21
server/src/main/java/com/genymobile/scrcpy/ScreenEncoder.java
View File

@@ -5,6 +5,7 @@ import com.genymobile.scrcpy.wrappers.SurfaceControl;
import android.graphics.Rect;
import android.media.MediaCodec;
import android.media.MediaCodecInfo;
import android.media.MediaCodecList;
import android.media.MediaFormat;
import android.os.IBinder;
import android.view.Surface;
@@ -12,6 +13,8 @@ import android.view.Surface;
import java.io.FileDescriptor;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
@@ -152,10 +155,26 @@ public class ScreenEncoder implements Device.RotationListener {
IO.writeFully(fd, headerBuffer);
}
private static MediaCodecInfo[] listEncoders() {
List<MediaCodecInfo> result = new ArrayList<>();
MediaCodecList list = new MediaCodecList(MediaCodecList.REGULAR_CODECS);
for (MediaCodecInfo codecInfo : list.getCodecInfos()) {
if (codecInfo.isEncoder() && Arrays.asList(codecInfo.getSupportedTypes()).contains(MediaFormat.MIMETYPE_VIDEO_AVC)) {
result.add(codecInfo);
}
}
return result.toArray(new MediaCodecInfo[result.size()]);
}
private static MediaCodec createCodec(String encoderName) throws IOException {
if (encoderName != null) {
Ln.d("Creating encoder by name: '" + encoderName + "'");
return MediaCodec.createByCodecName(encoderName);
try {
return MediaCodec.createByCodecName(encoderName);
} catch (IllegalArgumentException e) {
MediaCodecInfo[] encoders = listEncoders();
throw new InvalidEncoderException(encoderName, encoders);
}
}
MediaCodec codec = MediaCodec.createEncoderByType(MediaFormat.MIMETYPE_VIDEO_AVC);
Ln.d("Using encoder: '" + codec.getName() + "'");