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-rw-r--r--camera/QCamera2/HAL/QCameraMem.h242
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diff --git a/camera/QCamera2/HAL/QCameraMem.h b/camera/QCamera2/HAL/QCameraMem.h
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-/* Copyright (c) 2012-2015, The Linux Foundataion. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials provided
- * with the distribution.
- * * Neither the name of The Linux Foundation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
- * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
- * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef __QCAMERA2HWI_MEM_H__
-#define __QCAMERA2HWI_MEM_H__
-
-#include <hardware/camera.h>
-#include <utils/Mutex.h>
-#include <utils/List.h>
-
-extern "C" {
-#include <sys/types.h>
-#include <linux/msm_ion.h>
-#include <mm_camera_interface.h>
-}
-
-namespace qcamera {
-
-class QCameraMemoryPool;
-
-// Base class for all memory types. Abstract.
-class QCameraMemory {
-
-public:
- int cleanCache(uint32_t index)
- {
- return cacheOps(index, ION_IOC_CLEAN_CACHES);
- }
- int invalidateCache(uint32_t index)
- {
- return cacheOps(index, ION_IOC_INV_CACHES);
- }
- int cleanInvalidateCache(uint32_t index)
- {
- return cacheOps(index, ION_IOC_CLEAN_INV_CACHES);
- }
- int getFd(uint32_t index) const;
- ssize_t getSize(uint32_t index) const;
- uint8_t getCnt() const;
-
- virtual int allocate(uint8_t count, size_t size) = 0;
- virtual void deallocate() = 0;
- virtual int allocateMore(uint8_t count, size_t size) = 0;
- virtual int cacheOps(uint32_t index, unsigned int cmd) = 0;
- virtual int getRegFlags(uint8_t *regFlags) const = 0;
- virtual camera_memory_t *getMemory(uint32_t index,
- bool metadata) const = 0;
- virtual int getMatchBufIndex(const void *opaque, bool metadata) const = 0;
- virtual void *getPtr(uint32_t index) const= 0;
-
- QCameraMemory(bool cached,
- QCameraMemoryPool *pool = NULL,
- cam_stream_type_t streamType = CAM_STREAM_TYPE_DEFAULT);
- virtual ~QCameraMemory();
-
- void getBufDef(const cam_frame_len_offset_t &offset,
- mm_camera_buf_def_t &bufDef, uint32_t index) const;
-
- void traceLogAllocStart(size_t size, int count, const char *allocName);
- void traceLogAllocEnd(size_t size);
-
-protected:
-
- friend class QCameraMemoryPool;
-
- struct QCameraMemInfo {
- int fd;
- int main_ion_fd;
- ion_user_handle_t handle;
- size_t size;
- bool cached;
- unsigned int heap_id;
- };
-
- int alloc(int count, size_t size, unsigned int heap_id);
- void dealloc();
- static int allocOneBuffer(struct QCameraMemInfo &memInfo,
- unsigned int heap_id, size_t size, bool cached);
- static void deallocOneBuffer(struct QCameraMemInfo &memInfo);
- int cacheOpsInternal(uint32_t index, unsigned int cmd, void *vaddr);
-
- bool m_bCached;
- uint8_t mBufferCount;
- struct QCameraMemInfo mMemInfo[MM_CAMERA_MAX_NUM_FRAMES];
- QCameraMemoryPool *mMemoryPool;
- cam_stream_type_t mStreamType;
-};
-
-class QCameraMemoryPool {
-
-public:
-
- QCameraMemoryPool();
- virtual ~QCameraMemoryPool();
-
- int allocateBuffer(struct QCameraMemory::QCameraMemInfo &memInfo,
- unsigned int heap_id, size_t size, bool cached,
- cam_stream_type_t streamType);
- void releaseBuffer(struct QCameraMemory::QCameraMemInfo &memInfo,
- cam_stream_type_t streamType);
- void clear();
-
-protected:
-
- int findBufferLocked(struct QCameraMemory::QCameraMemInfo &memInfo,
- unsigned int heap_id, size_t size, bool cached,
- cam_stream_type_t streamType);
-
- android::List<QCameraMemory::QCameraMemInfo> mPools[CAM_STREAM_TYPE_MAX];
- pthread_mutex_t mLock;
-};
-
-// Internal heap memory is used for memories used internally
-// They are allocated from /dev/ion.
-class QCameraHeapMemory : public QCameraMemory {
-public:
- QCameraHeapMemory(bool cached);
- virtual ~QCameraHeapMemory();
-
- virtual int allocate(uint8_t count, size_t size);
- virtual int allocateMore(uint8_t count, size_t size);
- virtual void deallocate();
- virtual int cacheOps(uint32_t index, unsigned int cmd);
- virtual int getRegFlags(uint8_t *regFlags) const;
- virtual camera_memory_t *getMemory(uint32_t index, bool metadata) const;
- virtual int getMatchBufIndex(const void *opaque, bool metadata) const;
- virtual void *getPtr(uint32_t index) const;
-
-private:
- void *mPtr[MM_CAMERA_MAX_NUM_FRAMES];
-};
-
-// Externel heap memory is used for memories shared with
-// framework. They are allocated from /dev/ion or gralloc.
-class QCameraStreamMemory : public QCameraMemory {
-public:
- QCameraStreamMemory(camera_request_memory getMemory,
- bool cached,
- QCameraMemoryPool *pool = NULL,
- cam_stream_type_t streamType = CAM_STREAM_TYPE_DEFAULT);
- virtual ~QCameraStreamMemory();
-
- virtual int allocate(uint8_t count, size_t size);
- virtual int allocateMore(uint8_t count, size_t size);
- virtual void deallocate();
- virtual int cacheOps(uint32_t index, unsigned int cmd);
- virtual int getRegFlags(uint8_t *regFlags) const;
- virtual camera_memory_t *getMemory(uint32_t index, bool metadata) const;
- virtual int getMatchBufIndex(const void *opaque, bool metadata) const;
- virtual void *getPtr(uint32_t index) const;
-
-protected:
- camera_request_memory mGetMemory;
- camera_memory_t *mCameraMemory[MM_CAMERA_MAX_NUM_FRAMES];
-};
-
-// Externel heap memory is used for memories shared with
-// framework. They are allocated from /dev/ion or gralloc.
-class QCameraVideoMemory : public QCameraStreamMemory {
-public:
- QCameraVideoMemory(camera_request_memory getMemory, bool cached);
- virtual ~QCameraVideoMemory();
-
- virtual int allocate(uint8_t count, size_t size);
- virtual int allocateMore(uint8_t count, size_t size);
- virtual void deallocate();
- virtual camera_memory_t *getMemory(uint32_t index, bool metadata) const;
- virtual int getMatchBufIndex(const void *opaque, bool metadata) const;
-
-private:
- camera_memory_t *mMetadata[MM_CAMERA_MAX_NUM_FRAMES];
-};
-;
-
-// Gralloc Memory is acquired from preview window
-class QCameraGrallocMemory : public QCameraMemory {
- enum {
- BUFFER_NOT_OWNED,
- BUFFER_OWNED,
- };
-public:
- QCameraGrallocMemory(camera_request_memory getMemory);
- void setNativeWindow(preview_stream_ops_t *anw);
- virtual ~QCameraGrallocMemory();
-
- virtual int allocate(uint8_t count, size_t size);
- virtual int allocateMore(uint8_t count, size_t size);
- virtual void deallocate();
- virtual int cacheOps(uint32_t index, unsigned int cmd);
- virtual int getRegFlags(uint8_t *regFlags) const;
- virtual camera_memory_t *getMemory(uint32_t index, bool metadata) const;
- virtual int getMatchBufIndex(const void *opaque, bool metadata) const;
- virtual void *getPtr(uint32_t index) const;
-
- void setWindowInfo(preview_stream_ops_t *window, int width, int height,
- int stride, int scanline, int format, int maxFPS);
- // Enqueue/display buffer[index] onto the native window,
- // and dequeue one buffer from it.
- // Returns the buffer index of the dequeued buffer.
- int displayBuffer(uint32_t index);
- void setMaxFPS(int maxFPS);
-
-private:
- buffer_handle_t *mBufferHandle[MM_CAMERA_MAX_NUM_FRAMES];
- int mLocalFlag[MM_CAMERA_MAX_NUM_FRAMES];
- struct private_handle_t *mPrivateHandle[MM_CAMERA_MAX_NUM_FRAMES];
- preview_stream_ops_t *mWindow;
- int mWidth, mHeight, mFormat, mStride, mScanline, mMaxFPS;
- camera_request_memory mGetMemory;
- camera_memory_t *mCameraMemory[MM_CAMERA_MAX_NUM_FRAMES];
- int mMinUndequeuedBuffers;
-};
-
-}; // namespace qcamera
-
-#endif /* __QCAMERA2HWI_MEM_H__ */
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-20 00:52:27 +0000