1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.video.cts; 18 19 import com.android.compatibility.common.util.MediaUtils; 20 21 import android.media.MediaCodec; 22 import android.media.MediaCodecInfo; 23 import android.media.MediaCodecInfo.CodecCapabilities; 24 import android.media.MediaCodecInfo.CodecProfileLevel; 25 import android.media.MediaCodecInfo.VideoCapabilities; 26 import android.media.MediaCodecList; 27 import android.media.MediaFormat; 28 import android.util.Log; 29 import android.util.Range; 30 31 import java.io.IOException; 32 33 /** 34 * Utility class for getting codec information like bit rate, fps, and etc. 35 * Uses public member variables instead of methods as this code is only for video benchmarking. 36 */ 37 public class CodecInfo { 38 /** bit rate in bps */ 39 public int mBitRate = 0; 40 /** Frame rate */ 41 public int mFps = 0; 42 /** if codec is supporting YUV semiplanar format */ 43 public boolean mSupportSemiPlanar = false; 44 /** if codec is supporting YUV planar format */ 45 public boolean mSupportPlanar = false; 46 /** if codec is software-based */ 47 public boolean mIsSoftware = false; 48 49 private static final String TAG = "CodecInfo"; 50 private static final String VIDEO_AVC = MediaFormat.MIMETYPE_VIDEO_AVC; 51 /** 52 * Check if given codec with given (w,h) is supported. 53 * @param codecName codec name 54 * @param mimeType codec type in mime format like MediaFormat.MIMETYPE_VIDEO_AVC 55 * @param w video width 56 * @param h video height 57 * @return null if the configuration is not supported. 58 */ getSupportedFormatInfo( String codecName, String mimeType, int w, int h, int maxFps)59 public static CodecInfo getSupportedFormatInfo( 60 String codecName, String mimeType, int w, int h, int maxFps) { 61 MediaCodec codec; 62 try { 63 codec = MediaCodec.createByCodecName(codecName); 64 } catch (IOException e) { 65 return null; 66 } 67 68 CodecCapabilities cap = codec.getCodecInfo().getCapabilitiesForType(mimeType); 69 if (cap.colorFormats.length == 0) { 70 Log.w(TAG, "no supported color format"); 71 codec.release(); 72 return null; 73 } 74 75 CodecInfo info = new CodecInfo(); 76 for (int color : cap.colorFormats) { 77 if (color == CodecCapabilities.COLOR_FormatYUV420SemiPlanar) { 78 info.mSupportSemiPlanar = true; 79 } 80 if (color == CodecCapabilities.COLOR_FormatYUV420Planar) { 81 info.mSupportPlanar = true; 82 } 83 } 84 printIntArray("supported colors", cap.colorFormats); 85 86 MediaFormat format = MediaFormat.createVideoFormat(mimeType, w, h); 87 MediaUtils.setMaxEncoderFrameAndBitrates(cap.getVideoCapabilities(), format, maxFps); 88 info.mFps = format.getInteger(MediaFormat.KEY_FRAME_RATE); 89 info.mBitRate = format.getInteger(MediaFormat.KEY_BIT_RATE); 90 91 info.mIsSoftware = !codec.getCodecInfo().isHardwareAccelerated(); 92 93 codec.release(); 94 return info; 95 } 96 97 // for debugging printIntArray(String msg, int[] data)98 private static void printIntArray(String msg, int[] data) { 99 StringBuilder builder = new StringBuilder(); 100 builder.append(msg); 101 builder.append(":"); 102 for (int e : data) { 103 builder.append(Integer.toHexString(e)); 104 builder.append(","); 105 } 106 builder.deleteCharAt(builder.length() - 1); 107 Log.i(TAG, builder.toString()); 108 } 109 } 110