EncoderInfoImpl.java
/*
* Copyright 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.camera.video.internal.encoder;
import android.media.MediaCodec;
import android.media.MediaCodecInfo;
import androidx.annotation.NonNull;
import androidx.annotation.RequiresApi;
import androidx.camera.video.internal.workaround.EncoderFinder;
import java.util.Objects;
/**
* An EncoderInfo base implementation providing encoder related information and capabilities.
*
* <p>The implementation wraps and queries {@link MediaCodecInfo} relevant capability classes
* such as {@link MediaCodecInfo.CodecCapabilities} and
* {@link MediaCodecInfo.EncoderCapabilities}.
*/
@RequiresApi(21) // TODO(b/200306659): Remove and replace with annotation on package-info.java
public abstract class EncoderInfoImpl implements EncoderInfo {
private final MediaCodecInfo mMediaCodecInfo;
protected final MediaCodecInfo.CodecCapabilities mCodecCapabilities;
EncoderInfoImpl(@NonNull MediaCodecInfo codecInfo, @NonNull String mime)
throws InvalidConfigException {
mMediaCodecInfo = codecInfo;
try {
mCodecCapabilities = Objects.requireNonNull(codecInfo.getCapabilitiesForType(mime));
} catch (RuntimeException e) {
// MediaCodecInfo.getCapabilitiesForType(mime) will throw exception if the mime is not
// supported.
throw new InvalidConfigException("Unable to get CodecCapabilities for mime: " + mime,
e);
}
}
@Override
@NonNull
public String getName() {
return mMediaCodecInfo.getName();
}
@NonNull
static MediaCodecInfo findCodecAndGetCodecInfo(@NonNull EncoderConfig encoderConfig)
throws InvalidConfigException {
MediaCodec codec = new EncoderFinder().findEncoder(encoderConfig.toMediaFormat());
MediaCodecInfo codecInfo = codec.getCodecInfo();
codec.release();
return codecInfo;
}
}