Marius Renn | 65953da | 2012-03-27 10:44:45 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 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 | #include "android/bitmap.h" |
| 18 | |
| 19 | #include "jni/jni_native_frame.h" |
| 20 | #include "jni/jni_native_buffer.h" |
| 21 | #include "jni/jni_util.h" |
| 22 | |
| 23 | #include "native/base/logging.h" |
| 24 | #include "native/core/gl_frame.h" |
| 25 | #include "native/core/native_frame.h" |
| 26 | |
| 27 | using android::filterfw::NativeFrame; |
| 28 | using android::filterfw::GLFrame; |
| 29 | |
| 30 | typedef union { |
| 31 | uint32_t value; |
| 32 | uint8_t rgba[4]; |
| 33 | } Pixel; |
| 34 | |
| 35 | jboolean Java_android_filterfw_core_NativeFrame_nativeAllocate(JNIEnv* env, |
| 36 | jobject thiz, |
| 37 | jint size) { |
| 38 | return ToJBool(WrapObjectInJava(new NativeFrame(size), env, thiz, true)); |
| 39 | } |
| 40 | |
| 41 | jboolean Java_android_filterfw_core_NativeFrame_nativeDeallocate(JNIEnv* env, jobject thiz) { |
| 42 | return ToJBool(DeleteNativeObject<NativeFrame>(env, thiz)); |
| 43 | } |
| 44 | |
| 45 | jint Java_android_filterfw_core_NativeFrame_nativeIntSize(JNIEnv*, jclass) { |
| 46 | return sizeof(jint); |
| 47 | } |
| 48 | |
| 49 | jint Java_android_filterfw_core_NativeFrame_nativeFloatSize(JNIEnv*, jclass) { |
| 50 | return sizeof(jfloat); |
| 51 | } |
| 52 | |
| 53 | jboolean Java_android_filterfw_core_NativeFrame_setNativeData(JNIEnv* env, |
| 54 | jobject thiz, |
| 55 | jbyteArray data, |
| 56 | jint offset, |
| 57 | jint length) { |
| 58 | NativeFrame* frame = ConvertFromJava<NativeFrame>(env, thiz); |
| 59 | if (frame && data) { |
| 60 | jbyte* bytes = env->GetByteArrayElements(data, NULL); |
| 61 | if (bytes) { |
| 62 | const bool success = frame->WriteData(reinterpret_cast<const uint8_t*>(bytes + offset), |
| 63 | 0, |
| 64 | length); |
| 65 | env->ReleaseByteArrayElements(data, bytes, JNI_ABORT); |
| 66 | return ToJBool(success); |
| 67 | } |
| 68 | } |
| 69 | return JNI_FALSE; |
| 70 | } |
| 71 | |
| 72 | jbyteArray Java_android_filterfw_core_NativeFrame_getNativeData(JNIEnv* env, |
| 73 | jobject thiz, |
| 74 | jint size) { |
| 75 | NativeFrame* frame = ConvertFromJava<NativeFrame>(env, thiz); |
| 76 | if (frame) { |
| 77 | const uint8_t* data = frame->Data(); |
| 78 | if (!data || size > frame->Size()) |
| 79 | return NULL; |
| 80 | jbyteArray result = env->NewByteArray(size); |
| 81 | env->SetByteArrayRegion(result, 0, size, reinterpret_cast<const jbyte*>(data)); |
| 82 | return result; |
| 83 | } |
| 84 | return NULL; |
| 85 | } |
| 86 | |
| 87 | jboolean Java_android_filterfw_core_NativeFrame_getNativeBuffer(JNIEnv* env, |
| 88 | jobject thiz, |
| 89 | jobject buffer) { |
| 90 | NativeFrame* frame = ConvertFromJava<NativeFrame>(env, thiz); |
| 91 | if (frame) { |
| 92 | char* data = reinterpret_cast<char*>(frame->MutableData()); |
| 93 | return ToJBool(AttachDataToJBuffer(env, buffer, data, frame->Size())); |
| 94 | } |
| 95 | return JNI_FALSE; |
| 96 | } |
| 97 | |
| 98 | jboolean Java_android_filterfw_core_NativeFrame_setNativeInts(JNIEnv* env, |
| 99 | jobject thiz, |
| 100 | jintArray ints) { |
| 101 | NativeFrame* frame = ConvertFromJava<NativeFrame>(env, thiz); |
| 102 | if (frame && ints) { |
| 103 | jint* int_ptr = env->GetIntArrayElements(ints, NULL); |
| 104 | const int length = env->GetArrayLength(ints); |
| 105 | if (int_ptr) { |
| 106 | const bool success = frame->WriteData(reinterpret_cast<const uint8_t*>(int_ptr), |
| 107 | 0, |
| 108 | length * sizeof(jint)); |
| 109 | env->ReleaseIntArrayElements(ints, int_ptr, JNI_ABORT); |
| 110 | return ToJBool(success); |
| 111 | } |
| 112 | } |
| 113 | return JNI_FALSE; |
| 114 | } |
| 115 | |
| 116 | jintArray Java_android_filterfw_core_NativeFrame_getNativeInts(JNIEnv* env, |
| 117 | jobject thiz, |
| 118 | jint size) { |
| 119 | NativeFrame* frame = ConvertFromJava<NativeFrame>(env, thiz); |
| 120 | if (frame) { |
| 121 | const uint8_t* data = frame->Data(); |
| 122 | if (!data || size > frame->Size() || (size % sizeof(jint)) != 0) |
| 123 | return NULL; |
| 124 | const int count = size / sizeof(jint); |
| 125 | jintArray result = env->NewIntArray(count); |
| 126 | env->SetIntArrayRegion(result, 0, count, reinterpret_cast<const jint*>(data)); |
| 127 | return result; |
| 128 | } |
| 129 | return NULL; |
| 130 | } |
| 131 | |
| 132 | jboolean Java_android_filterfw_core_NativeFrame_setNativeFloats(JNIEnv* env, |
| 133 | jobject thiz, |
| 134 | jfloatArray floats) { |
| 135 | NativeFrame* frame = ConvertFromJava<NativeFrame>(env, thiz); |
| 136 | if (frame && floats) { |
| 137 | jfloat* float_ptr = env->GetFloatArrayElements(floats, NULL); |
| 138 | const int length = env->GetArrayLength(floats); |
| 139 | if (float_ptr) { |
| 140 | const bool success = frame->WriteData(reinterpret_cast<const uint8_t*>(float_ptr), |
| 141 | 0, |
| 142 | length * sizeof(jfloat)); |
| 143 | env->ReleaseFloatArrayElements(floats, float_ptr, JNI_ABORT); |
| 144 | return ToJBool(success); |
| 145 | } |
| 146 | } |
| 147 | return JNI_FALSE; |
| 148 | } |
| 149 | |
| 150 | jfloatArray Java_android_filterfw_core_NativeFrame_getNativeFloats(JNIEnv* env, |
| 151 | jobject thiz, |
| 152 | jint size) { |
| 153 | NativeFrame* frame = ConvertFromJava<NativeFrame>(env, thiz); |
| 154 | if (frame) { |
| 155 | const uint8_t* data = frame->Data(); |
| 156 | if (!data || size > frame->Size() || (size % sizeof(jfloat)) != 0) |
| 157 | return NULL; |
| 158 | const int count = size / sizeof(jfloat); |
| 159 | jfloatArray result = env->NewFloatArray(count); |
| 160 | env->SetFloatArrayRegion(result, 0, count, reinterpret_cast<const jfloat*>(data)); |
| 161 | return result; |
| 162 | } |
| 163 | return NULL; |
| 164 | } |
| 165 | |
| 166 | jboolean Java_android_filterfw_core_NativeFrame_setNativeBitmap(JNIEnv* env, |
| 167 | jobject thiz, |
| 168 | jobject bitmap, |
| 169 | jint size, |
| 170 | jint bytes_per_sample) { |
| 171 | NativeFrame* frame = ConvertFromJava<NativeFrame>(env, thiz); |
| 172 | if (frame && bitmap) { |
| 173 | // Make sure frame size matches bitmap size |
| 174 | if ((size / 4) != (frame->Size() / bytes_per_sample)) { |
| 175 | ALOGE("Size mismatch in native setBitmap()!"); |
| 176 | return JNI_FALSE; |
| 177 | } |
| 178 | |
| 179 | Pixel* src_ptr; |
| 180 | const int result = AndroidBitmap_lockPixels(env, bitmap, reinterpret_cast<void**>(&src_ptr)); |
Andrew Hsieh | eba8254 | 2012-12-12 11:27:44 +0800 | [diff] [blame] | 181 | if (result == ANDROID_BITMAP_RESULT_SUCCESS) { |
Marius Renn | 65953da | 2012-03-27 10:44:45 -0700 | [diff] [blame] | 182 | // Create destination pointers |
| 183 | uint8_t* dst_ptr = reinterpret_cast<uint8_t*>(frame->MutableData()); |
| 184 | const uint8_t* end_ptr = dst_ptr + frame->Size(); |
| 185 | switch (bytes_per_sample) { |
| 186 | case 1: { // RGBA -> GRAY |
| 187 | while (dst_ptr < end_ptr) { |
| 188 | const Pixel pixel = *(src_ptr++); |
| 189 | *(dst_ptr++) = (pixel.rgba[0] + pixel.rgba[1] + pixel.rgba[2]) / 3; |
| 190 | } |
| 191 | break; |
| 192 | } |
| 193 | case 3: { // RGBA -> RGB |
| 194 | while (dst_ptr < end_ptr) { |
| 195 | const Pixel pixel = *(src_ptr++); |
| 196 | *(dst_ptr++) = pixel.rgba[0]; |
| 197 | *(dst_ptr++) = pixel.rgba[1]; |
| 198 | *(dst_ptr++) = pixel.rgba[2]; |
| 199 | } |
| 200 | break; |
| 201 | } |
| 202 | case 4: { // RGBA -> RGBA |
| 203 | memcpy(dst_ptr, src_ptr, frame->Size()); |
| 204 | break; |
| 205 | } |
| 206 | default: |
| 207 | ALOGE("Unsupported bytes-per-pixel %d in setBitmap!", bytes_per_sample); |
| 208 | break; |
| 209 | } |
Andrew Hsieh | eba8254 | 2012-12-12 11:27:44 +0800 | [diff] [blame] | 210 | return (AndroidBitmap_unlockPixels(env, bitmap) == ANDROID_BITMAP_RESULT_SUCCESS); |
Marius Renn | 65953da | 2012-03-27 10:44:45 -0700 | [diff] [blame] | 211 | } |
| 212 | } |
| 213 | return JNI_FALSE; |
| 214 | } |
| 215 | |
| 216 | jboolean Java_android_filterfw_core_NativeFrame_getNativeBitmap(JNIEnv* env, |
| 217 | jobject thiz, |
| 218 | jobject bitmap, |
| 219 | jint size, |
| 220 | jint bytes_per_sample) { |
| 221 | NativeFrame* frame = ConvertFromJava<NativeFrame>(env, thiz); |
| 222 | if (frame && bitmap) { |
| 223 | Pixel* dst_ptr; |
| 224 | const int result = AndroidBitmap_lockPixels(env, bitmap, reinterpret_cast<void**>(&dst_ptr)); |
Andrew Hsieh | eba8254 | 2012-12-12 11:27:44 +0800 | [diff] [blame] | 225 | if (result == ANDROID_BITMAP_RESULT_SUCCESS) { |
Marius Renn | 65953da | 2012-03-27 10:44:45 -0700 | [diff] [blame] | 226 | // Make sure frame size matches bitmap size |
| 227 | if ((size / 4) != (frame->Size() / bytes_per_sample)) { |
| 228 | ALOGE("Size mismatch in native getBitmap()!"); |
| 229 | return JNI_FALSE; |
| 230 | } |
| 231 | |
| 232 | const uint8_t* src_ptr = frame->Data(); |
| 233 | const uint8_t* end_ptr = src_ptr + frame->Size(); |
| 234 | switch (bytes_per_sample) { |
| 235 | case 1: { // GRAY -> RGBA |
| 236 | while (src_ptr < end_ptr) { |
| 237 | const uint8_t value = *(src_ptr++); |
| 238 | dst_ptr->rgba[0] = dst_ptr->rgba[1] = dst_ptr->rgba[2] = value; |
| 239 | dst_ptr->rgba[3] = 255; |
| 240 | ++dst_ptr; |
| 241 | } |
| 242 | break; |
| 243 | } |
| 244 | case 3: { // RGB -> RGBA |
| 245 | while (src_ptr < end_ptr) { |
| 246 | dst_ptr->rgba[0] = *(src_ptr++); |
| 247 | dst_ptr->rgba[1] = *(src_ptr++); |
| 248 | dst_ptr->rgba[2] = *(src_ptr++); |
| 249 | dst_ptr->rgba[3] = 255; |
| 250 | ++dst_ptr; |
| 251 | } |
| 252 | break; |
| 253 | } |
| 254 | case 4: { // RGBA -> RGBA |
| 255 | memcpy(dst_ptr, src_ptr, frame->Size()); |
| 256 | break; |
| 257 | } |
| 258 | default: |
| 259 | ALOGE("Unsupported bytes-per-pixel %d in getBitmap!", bytes_per_sample); |
| 260 | break; |
| 261 | } |
Andrew Hsieh | eba8254 | 2012-12-12 11:27:44 +0800 | [diff] [blame] | 262 | return (AndroidBitmap_unlockPixels(env, bitmap) == ANDROID_BITMAP_RESULT_SUCCESS); |
Marius Renn | 65953da | 2012-03-27 10:44:45 -0700 | [diff] [blame] | 263 | } |
| 264 | } |
| 265 | return JNI_FALSE; |
| 266 | } |
| 267 | |
| 268 | jint Java_android_filterfw_core_NativeFrame_getNativeCapacity(JNIEnv* env, jobject thiz) { |
| 269 | NativeFrame* frame = ConvertFromJava<NativeFrame>(env, thiz); |
| 270 | return frame ? frame->Capacity() : -1; |
| 271 | } |
| 272 | |
| 273 | jboolean Java_android_filterfw_core_NativeFrame_nativeCopyFromNative(JNIEnv* env, |
| 274 | jobject thiz, |
| 275 | jobject frame) { |
| 276 | NativeFrame* this_frame = ConvertFromJava<NativeFrame>(env, thiz); |
| 277 | NativeFrame* other_frame = ConvertFromJava<NativeFrame>(env, frame); |
| 278 | if (this_frame && other_frame) { |
| 279 | return ToJBool(this_frame->WriteData(other_frame->Data(), 0, other_frame->Size())); |
| 280 | } |
| 281 | return JNI_FALSE; |
| 282 | } |
| 283 | |
| 284 | jboolean Java_android_filterfw_core_NativeFrame_nativeCopyFromGL(JNIEnv* env, |
| 285 | jobject thiz, |
| 286 | jobject frame) { |
| 287 | NativeFrame* this_frame = ConvertFromJava<NativeFrame>(env, thiz); |
| 288 | GLFrame* other_frame = ConvertFromJava<GLFrame>(env, frame); |
| 289 | if (this_frame && other_frame) { |
| 290 | return ToJBool(other_frame->CopyDataTo(this_frame->MutableData(), this_frame->Size())); |
| 291 | } |
| 292 | return JNI_FALSE; |
| 293 | } |