91 lines
2.8 KiB
Java
91 lines
2.8 KiB
Java
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/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.media;
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import android.compat.annotation.UnsupportedAppUsage;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* {@hide}
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*
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* The DecoderCapabilities class is used to retrieve the types of the
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* video and audio decoder(s) supported on a specific Android platform.
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*/
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public class DecoderCapabilities
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{
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/**
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* The VideoDecoder class represents the type of a video decoder
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*
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*/
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public enum VideoDecoder {
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@UnsupportedAppUsage
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VIDEO_DECODER_WMV,
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};
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/**
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* The AudioDecoder class represents the type of an audio decoder
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*/
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public enum AudioDecoder {
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@UnsupportedAppUsage
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AUDIO_DECODER_WMA,
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};
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static {
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System.loadLibrary("media_jni");
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native_init();
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}
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/**
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* Returns the list of video decoder types
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* @see android.media.DecoderCapabilities.VideoDecoder
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*/
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@UnsupportedAppUsage
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public static List<VideoDecoder> getVideoDecoders() {
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List<VideoDecoder> decoderList = new ArrayList<VideoDecoder>();
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int nDecoders = native_get_num_video_decoders();
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for (int i = 0; i < nDecoders; ++i) {
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decoderList.add(VideoDecoder.values()[native_get_video_decoder_type(i)]);
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}
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return decoderList;
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}
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/**
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* Returns the list of audio decoder types
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* @see android.media.DecoderCapabilities.AudioDecoder
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*/
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@UnsupportedAppUsage
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public static List<AudioDecoder> getAudioDecoders() {
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List<AudioDecoder> decoderList = new ArrayList<AudioDecoder>();
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int nDecoders = native_get_num_audio_decoders();
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for (int i = 0; i < nDecoders; ++i) {
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decoderList.add(AudioDecoder.values()[native_get_audio_decoder_type(i)]);
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}
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return decoderList;
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}
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private DecoderCapabilities() {} // Don't call me
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// Implemented by JNI
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private static native final void native_init();
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private static native final int native_get_num_video_decoders();
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private static native final int native_get_video_decoder_type(int index);
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private static native final int native_get_num_audio_decoders();
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private static native final int native_get_audio_decoder_type(int index);
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}
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