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/*
* Copyright (C) 2009 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 com.android.mediaframeworktest;
import android.media.MediaRecorder;
import android.media.EncoderCapabilities;
import android.media.EncoderCapabilities.VideoEncoderCap;
import android.media.EncoderCapabilities.AudioEncoderCap;
import android.media.DecoderCapabilities;
import android.media.DecoderCapabilities.VideoDecoder;
import android.media.DecoderCapabilities.AudioDecoder;
import android.os.SystemProperties;
import java.util.List;
import java.util.HashMap;
public class MediaProfileReader
{
private static final List<VideoDecoder> videoDecoders = DecoderCapabilities.getVideoDecoders();
private static final List<AudioDecoder> audioDecoders = DecoderCapabilities.getAudioDecoders();
private static final List<VideoEncoderCap> videoEncoders = EncoderCapabilities.getVideoEncoders();
private static final List<AudioEncoderCap> audioEncoders = EncoderCapabilities.getAudioEncoders();
private static final HashMap<Integer, String> videoEncoderMap = new HashMap<Integer, String>();
private static final HashMap<Integer, String> audioEncoderMap = new HashMap<Integer, String>();
static {
initAudioEncoderMap();
initVideoEncoderMap();
};
public static List<VideoEncoderCap> getVideoEncoders() {
return videoEncoders;
}
public static List<AudioEncoderCap> getAudioEncoders() {
return audioEncoders;
}
public static String getDeviceType() {
// push all the property into one big table
String s;
s = SystemProperties.get("ro.product.name");
return s;
}
public static boolean getWMAEnable() {
for (AudioDecoder decoder: audioDecoders) {
if (decoder == AudioDecoder.AUDIO_DECODER_WMA) {
return true;
}
}
return false;
}
public static boolean getWMVEnable(){
for (VideoDecoder decoder: videoDecoders) {
if (decoder == VideoDecoder.VIDEO_DECODER_WMV) {
return true;
}
}
return false;
}
public static String getVideoCodecName(int videoEncoder) {
if (videoEncoder != MediaRecorder.VideoEncoder.H263 &&
videoEncoder != MediaRecorder.VideoEncoder.H264 &&
videoEncoder != MediaRecorder.VideoEncoder.MPEG_4_SP) {
throw new IllegalArgumentException("Unsupported video encoder " + videoEncoder);
}
return videoEncoderMap.get(videoEncoder);
}
public static String getAudioCodecName(int audioEncoder) {
if (audioEncoder != MediaRecorder.AudioEncoder.AMR_NB &&
audioEncoder != MediaRecorder.AudioEncoder.AMR_WB &&
audioEncoder != MediaRecorder.AudioEncoder.AAC &&
audioEncoder != MediaRecorder.AudioEncoder.HE_AAC &&
audioEncoder != MediaRecorder.AudioEncoder.AAC_ELD) {
throw new IllegalArgumentException("Unsupported audio encodeer " + audioEncoder);
}
return audioEncoderMap.get(audioEncoder);
}
public static int getMinFrameRateForCodec(int codec) {
return getMinOrMaxFrameRateForCodec(codec, false);
}
public static int getMaxFrameRateForCodec(int codec) {
return getMinOrMaxFrameRateForCodec(codec, true);
}
private static int getMinOrMaxFrameRateForCodec(int codec, boolean max) {
for (VideoEncoderCap cap: videoEncoders) {
if (cap.mCodec == codec) {
if (max) return cap.mMaxFrameRate;
else return cap.mMinFrameRate;
}
}
// Should never reach here
throw new IllegalArgumentException("Unsupported video codec " + codec);
}
private MediaProfileReader() {} // Don't call me
private static void initVideoEncoderMap() {
// video encoders
videoEncoderMap.put(MediaRecorder.VideoEncoder.H263, "h263");
videoEncoderMap.put(MediaRecorder.VideoEncoder.H264, "h264");
videoEncoderMap.put(MediaRecorder.VideoEncoder.MPEG_4_SP, "m4v");
}
private static void initAudioEncoderMap() {
// audio encoders
audioEncoderMap.put(MediaRecorder.AudioEncoder.AMR_NB, "amrnb");
audioEncoderMap.put(MediaRecorder.AudioEncoder.AMR_WB, "amrwb");
audioEncoderMap.put(MediaRecorder.AudioEncoder.AAC, "aac");
audioEncoderMap.put(MediaRecorder.AudioEncoder.HE_AAC, "heaac");
audioEncoderMap.put(MediaRecorder.AudioEncoder.AAC_ELD, "aaceld");
}
}
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