Move Codec2-related code from hardware/google/av
Test: None
Bug: 112362730
Change-Id: Ie2f8ff431d65c40333f267ab9877d47089adeea4
diff --git a/media/codec2/sfplugin/utils/Codec2BufferUtils.h b/media/codec2/sfplugin/utils/Codec2BufferUtils.h
new file mode 100644
index 0000000..eaf6776
--- /dev/null
+++ b/media/codec2/sfplugin/utils/Codec2BufferUtils.h
@@ -0,0 +1,141 @@
+/*
+ * Copyright 2018, 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.
+ */
+
+#ifndef CODEC2_BUFFER_UTILS_H_
+#define CODEC2_BUFFER_UTILS_H_
+
+#include <C2Buffer.h>
+#include <C2ParamDef.h>
+
+#include <media/hardware/VideoAPI.h>
+#include <utils/Errors.h>
+
+namespace android {
+
+/**
+ * Converts an RGB view to planar YUV 420 media image.
+ *
+ * \param dstY pointer to media image buffer
+ * \param dstStride stride in bytes
+ * \param dstVStride vertical stride in pixels
+ * \param bufferSize media image buffer size
+ * \param src source image
+ *
+ * \retval NO_MEMORY media image is too small
+ * \retval OK on success
+ */
+status_t ConvertRGBToPlanarYUV(
+ uint8_t *dstY, size_t dstStride, size_t dstVStride, size_t bufferSize,
+ const C2GraphicView &src);
+
+/**
+ * Returns a planar YUV 420 8-bit media image descriptor.
+ *
+ * \param width width of image in pixels
+ * \param height height of image in pixels
+ * \param stride stride of image in pixels
+ * \param vstride vertical stride of image in pixels
+ */
+MediaImage2 CreateYUV420PlanarMediaImage2(
+ uint32_t width, uint32_t height, uint32_t stride, uint32_t vstride);
+
+/**
+ * Returns a semiplanar YUV 420 8-bit media image descriptor.
+ *
+ * \param width width of image in pixels
+ * \param height height of image in pixels
+ * \param stride stride of image in pixels
+ * \param vstride vertical stride of image in pixels
+ */
+MediaImage2 CreateYUV420SemiPlanarMediaImage2(
+ uint32_t width, uint32_t height, uint32_t stride, uint32_t vstride);
+
+/**
+ * Copies a graphic view into a media image.
+ *
+ * \param imgBase base of MediaImage
+ * \param img MediaImage data
+ * \param view graphic view
+ *
+ * \return OK on success
+ */
+status_t ImageCopy(uint8_t *imgBase, const MediaImage2 *img, const C2GraphicView &view);
+
+/**
+ * Copies a media image into a graphic view.
+ *
+ * \param view graphic view
+ * \param imgBase base of MediaImage
+ * \param img MediaImage data
+ *
+ * \return OK on success
+ */
+status_t ImageCopy(C2GraphicView &view, const uint8_t *imgBase, const MediaImage2 *img);
+
+/**
+ * Returns true iff a view has a YUV 420 888 layout.
+ */
+bool IsYUV420(const C2GraphicView &view);
+
+/**
+ * A raw memory block to use for internal buffers.
+ *
+ * TODO: replace this with C2LinearBlocks from a private C2BlockPool
+ */
+struct MemoryBlock : public C2MemoryBlock<uint8_t> {
+ virtual const uint8_t* data() const override;
+ virtual size_t size() const override;
+
+ inline uint8_t *data() {
+ return const_cast<uint8_t*>(const_cast<const MemoryBlock*>(this)->data());
+ }
+
+ // allocates an unmanaged block (not in a pool)
+ static MemoryBlock Allocate(size_t);
+
+ // memory block with no actual memory (size is 0, data is null)
+ MemoryBlock();
+
+ struct Impl;
+ MemoryBlock(std::shared_ptr<Impl> impl);
+ virtual ~MemoryBlock();
+
+private:
+ std::shared_ptr<Impl> mImpl;
+};
+
+/**
+ * A raw memory mini-pool.
+ */
+struct MemoryBlockPool {
+ /**
+ * Fetches a block with a given size.
+ *
+ * \param size size in bytes
+ */
+ MemoryBlock fetch(size_t size);
+
+ MemoryBlockPool();
+ ~MemoryBlockPool() = default;
+
+private:
+ struct Impl;
+ std::shared_ptr<Impl> mImpl;
+};
+
+} // namespace android
+
+#endif // CODEC2_BUFFER_UTILS_H_