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 47 private static final String TAG = "CodecInfo"; 48 private static final String VIDEO_AVC = MediaFormat.MIMETYPE_VIDEO_AVC; 49 /** 50 * Check if given codec with given (w,h) is supported. 51 * @param codecName codec name 52 * @param mimeType codec type in mime format like MediaFormat.MIMETYPE_VIDEO_AVC 53 * @param w video width 54 * @param h video height 55 * @return null if the configuration is not supported. 56 */ getSupportedFormatInfo( String codecName, String mimeType, int w, int h, int maxFps)57 public static CodecInfo getSupportedFormatInfo( 58 String codecName, String mimeType, int w, int h, int maxFps) { 59 MediaCodec codec; 60 try { 61 codec = MediaCodec.createByCodecName(codecName); 62 } catch (IOException e) { 63 return null; 64 } 65 66 CodecCapabilities cap = codec.getCodecInfo().getCapabilitiesForType(mimeType); 67 if (cap.colorFormats.length == 0) { 68 Log.w(TAG, "no supported color format"); 69 codec.release(); 70 return null; 71 } 72 73 CodecInfo info = new CodecInfo(); 74 for (int color : cap.colorFormats) { 75 if (color == CodecCapabilities.COLOR_FormatYUV420SemiPlanar) { 76 info.mSupportSemiPlanar = true; 77 } 78 if (color == CodecCapabilities.COLOR_FormatYUV420Planar) { 79 info.mSupportPlanar = true; 80 } 81 } 82 printIntArray("supported colors", cap.colorFormats); 83 84 MediaFormat format = MediaFormat.createVideoFormat(mimeType, w, h); 85 MediaUtils.setMaxEncoderFrameAndBitrates(cap.getVideoCapabilities(), format, maxFps); 86 info.mFps = format.getInteger(MediaFormat.KEY_FRAME_RATE); 87 info.mBitRate = format.getInteger(MediaFormat.KEY_BIT_RATE); 88 89 codec.release(); 90 return info; 91 } 92 93 // for debugging printIntArray(String msg, int[] data)94 private static void printIntArray(String msg, int[] data) { 95 StringBuilder builder = new StringBuilder(); 96 builder.append(msg); 97 builder.append(":"); 98 for (int e : data) { 99 builder.append(Integer.toHexString(e)); 100 builder.append(","); 101 } 102 builder.deleteCharAt(builder.length() - 1); 103 Log.i(TAG, builder.toString()); 104 } 105 } 106