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/*
* Copyright (C) 2010 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 android.media;
import java.util.List;
import java.util.ArrayList;
/**
* {@hide}
*
* The DecoderCapabilities class is used to retrieve the types of the
* video and audio decoder(s) supported on a specific Android platform.
*/
public class DecoderCapabilities
{
/**
* The VideoDecoder class represents the type of a video decoder
*
*/
public enum VideoDecoder {
VIDEO_DECODER_WMV,
};
/**
* The AudioDecoder class represents the type of an audio decoder
*/
public enum AudioDecoder {
AUDIO_DECODER_WMA,
};
static {
System.loadLibrary("media_jni");
native_init();
}
/**
* Returns the list of video decoder types
* @see android.media.DecoderCapabilities.VideoDecoder
*/
public static List<VideoDecoder> getVideoDecoders() {
List<VideoDecoder> decoderList = new ArrayList<VideoDecoder>();
int nDecoders = native_get_num_video_decoders();
for (int i = 0; i < nDecoders; ++i) {
decoderList.add(VideoDecoder.values()[native_get_video_decoder_type(i)]);
}
return decoderList;
}
/**
* Returns the list of audio decoder types
* @see android.media.DecoderCapabilities.AudioDecoder
*/
public static List<AudioDecoder> getAudioDecoders() {
List<AudioDecoder> decoderList = new ArrayList<AudioDecoder>();
int nDecoders = native_get_num_audio_decoders();
for (int i = 0; i < nDecoders; ++i) {
decoderList.add(AudioDecoder.values()[native_get_audio_decoder_type(i)]);
}
return decoderList;
}
private DecoderCapabilities() {} // Don't call me
// Implemented by JNI
private static native final void native_init();
private static native final int native_get_num_video_decoders();
private static native final int native_get_video_decoder_type(int index);
private static native final int native_get_num_audio_decoders();
private static native final int native_get_audio_decoder_type(int index);
}
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