TYPE3

[iec.git] / src / type3_AndroidCloud / anbox-master / android / camera / JpegStub.cpp

diff --git a/src/type3_AndroidCloud/anbox-master/android/camera/JpegStub.cpp b/src/type3_AndroidCloud/anbox-master/android/camera/JpegStub.cpp
new file mode 100644 (file)
index 0000000..084f5fc
--- /dev/null
+++ b/src/type3_AndroidCloud/anbox-master/android/camera/JpegStub.cpp
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2013 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.
+ */
+
+#define LOG_NDEBUG 0
+#define LOG_TAG "EmulatedCamera_JPEGStub"
+#include <errno.h>
+#include <cutils/log.h>
+#include <YuvToJpegEncoder.h>
+
+#include "JpegStub.h"
+
+
+extern "C" void JpegStub_init(JpegStub* stub, int* strides) {
+    stub->mInternalEncoder = (void*) new Yuv420SpToJpegEncoder(strides);
+    stub->mInternalStream = (void*)new SkDynamicMemoryWStream();
+}
+
+extern "C" void JpegStub_cleanup(JpegStub* stub) {
+    delete((Yuv420SpToJpegEncoder*)stub->mInternalEncoder);
+    delete((SkDynamicMemoryWStream*)stub->mInternalStream);
+}
+
+extern "C" int JpegStub_compress(JpegStub* stub, const void* image,
+        int width, int height, int quality)
+{
+    void* pY = const_cast<void*>(image);
+    int offsets[2];
+    offsets[0] = 0;
+    offsets[1] = width * height;
+
+    Yuv420SpToJpegEncoder* encoder =
+        (Yuv420SpToJpegEncoder*)stub->mInternalEncoder;
+    SkDynamicMemoryWStream* stream =
+        (SkDynamicMemoryWStream*)stub->mInternalStream;
+    if (encoder->encode(stream, pY, width, height, offsets, quality)) {
+        ALOGV("%s: Compressed JPEG: %d[%dx%d] -> %zu bytes",
+              __FUNCTION__, (width * height * 12) / 8,
+              width, height, stream->getOffset());
+        return 0;
+    } else {
+        ALOGE("%s: JPEG compression failed", __FUNCTION__);
+        return errno ? errno: EINVAL;
+    }
+}
+
+extern "C" void JpegStub_getCompressedImage(JpegStub* stub, void* buff) {
+    SkDynamicMemoryWStream* stream =
+        (SkDynamicMemoryWStream*)stub->mInternalStream;
+    stream->copyTo(buff);
+}
+
+extern "C" size_t JpegStub_getCompressedSize(JpegStub* stub) {
+    SkDynamicMemoryWStream* stream =
+        (SkDynamicMemoryWStream*)stub->mInternalStream;
+    return stream->getOffset();
+}