| /* |
| * 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"); |
| } |
| } |