1 /* 2 * Copyright (C) 2014 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 package android.hardware.camera2.marshal.impl; 17 18 import android.hardware.camera2.marshal.Marshaler; 19 import android.hardware.camera2.marshal.MarshalQueryable; 20 import android.hardware.camera2.params.ReprocessFormatsMap; 21 import android.hardware.camera2.params.StreamConfigurationMap; 22 import android.hardware.camera2.utils.TypeReference; 23 24 import static android.hardware.camera2.impl.CameraMetadataNative.*; 25 import static android.hardware.camera2.marshal.MarshalHelpers.*; 26 27 import java.nio.ByteBuffer; 28 import java.nio.IntBuffer; 29 30 /** 31 * Marshaler for {@code android.scaler.availableInputOutputFormatsMap} custom class 32 * {@link ReprocessFormatsMap} 33 */ 34 public class MarshalQueryableReprocessFormatsMap 35 implements MarshalQueryable<ReprocessFormatsMap> { 36 37 private class MarshalerReprocessFormatsMap extends Marshaler<ReprocessFormatsMap> { MarshalerReprocessFormatsMap( TypeReference<ReprocessFormatsMap> typeReference, int nativeType)38 protected MarshalerReprocessFormatsMap( 39 TypeReference<ReprocessFormatsMap> typeReference, int nativeType) { 40 super(MarshalQueryableReprocessFormatsMap.this, typeReference, nativeType); 41 } 42 43 @Override marshal(ReprocessFormatsMap value, ByteBuffer buffer)44 public void marshal(ReprocessFormatsMap value, ByteBuffer buffer) { 45 /* 46 * // writing (static example, DNG+ZSL) 47 * int32_t[] contents = { 48 * RAW_OPAQUE, 3, RAW16, YUV_420_888, BLOB, 49 * RAW16, 2, YUV_420_888, BLOB, 50 * ..., 51 * INPUT_FORMAT, OUTPUT_FORMAT_COUNT, [OUTPUT_0, OUTPUT_1, ..., OUTPUT_FORMAT_COUNT-1] 52 * }; 53 */ 54 int[] inputs = StreamConfigurationMap.imageFormatToInternal(value.getInputs()); 55 for (int input : inputs) { 56 // INPUT_FORMAT 57 buffer.putInt(input); 58 59 int[] outputs = 60 StreamConfigurationMap.imageFormatToInternal(value.getOutputs(input)); 61 // OUTPUT_FORMAT_COUNT 62 buffer.putInt(outputs.length); 63 64 // [OUTPUT_0, OUTPUT_1, ..., OUTPUT_FORMAT_COUNT-1] 65 for (int output : outputs) { 66 buffer.putInt(output); 67 } 68 } 69 } 70 71 @Override unmarshal(ByteBuffer buffer)72 public ReprocessFormatsMap unmarshal(ByteBuffer buffer) { 73 int len = buffer.remaining() / SIZEOF_INT32; 74 if (buffer.remaining() % SIZEOF_INT32 != 0) { 75 throw new AssertionError("ReprocessFormatsMap was not TYPE_INT32"); 76 } 77 78 int[] entries = new int[len]; 79 80 IntBuffer intBuffer = buffer.asIntBuffer(); 81 intBuffer.get(entries); 82 83 // TODO: consider moving rest of parsing code from ReprocessFormatsMap to here 84 85 return new ReprocessFormatsMap(entries); 86 } 87 88 @Override getNativeSize()89 public int getNativeSize() { 90 return NATIVE_SIZE_DYNAMIC; 91 } 92 93 @Override calculateMarshalSize(ReprocessFormatsMap value)94 public int calculateMarshalSize(ReprocessFormatsMap value) { 95 /* 96 * // writing (static example, DNG+ZSL) 97 * int32_t[] contents = { 98 * RAW_OPAQUE, 3, RAW16, YUV_420_888, BLOB, 99 * RAW16, 2, YUV_420_888, BLOB, 100 * ..., 101 * INPUT_FORMAT, OUTPUT_FORMAT_COUNT, [OUTPUT_0, OUTPUT_1, ..., OUTPUT_FORMAT_COUNT-1] 102 * }; 103 */ 104 int length = 0; 105 106 int[] inputs = value.getInputs(); 107 for (int input : inputs) { 108 109 length += 1; // INPUT_FORMAT 110 length += 1; // OUTPUT_FORMAT_COUNT 111 112 int[] outputs = value.getOutputs(input); 113 length += outputs.length; // [OUTPUT_0, OUTPUT_1, ..., OUTPUT_FORMAT_COUNT-1] 114 } 115 116 return length * SIZEOF_INT32; 117 } 118 } 119 120 @Override createMarshaler( TypeReference<ReprocessFormatsMap> managedType, int nativeType)121 public Marshaler<ReprocessFormatsMap> createMarshaler( 122 TypeReference<ReprocessFormatsMap> managedType, int nativeType) { 123 return new MarshalerReprocessFormatsMap(managedType, nativeType); 124 } 125 126 @Override isTypeMappingSupported(TypeReference<ReprocessFormatsMap> managedType, int nativeType)127 public boolean isTypeMappingSupported(TypeReference<ReprocessFormatsMap> managedType, 128 int nativeType) { 129 return nativeType == TYPE_INT32 && managedType.getType().equals(ReprocessFormatsMap.class); 130 } 131 } 132