xref: /foundation/multimedia/media_foundation/src/common/surface_memory.h

/*
 * Copyright (c) 2021-2021 Huawei Device Co., Ltd.
 * 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 HISTREAMER_PLUGIN_COMMON_SURFACE_MEMORY_H
#define HISTREAMER_PLUGIN_COMMON_SURFACE_MEMORY_H

#if !defined(OHOS_LITE) && defined(VIDEO_SUPPORT)

#include "osal/task/task.h"
#include "osal/task/mutex.h"
#include "plugin//plugin_buffer.h"
#include "common/surface_allocator.h"
#include "refbase.h"
#include "surface/surface.h"

namespace OHOS {
namespace Media {
namespace Plugins {
class SurfaceMemory : public Memory {
public:
    ~SurfaceMemory();

    sptr<SurfaceBuffer> GetSurfaceBuffer();

    int32_t GetFlushFence();

    BufferHandle *GetBufferHandle();

    uint32_t GetSurfaceBufferStride();

    void SetNeedRender(bool needRender);

protected:
    uint8_t* GetRealAddr() const override;

private:
    explicit SurfaceMemory(size_t capacity, std::shared_ptr<Allocator> allocator = nullptr, size_t align = 1);
    explicit SurfaceMemory(sptr<SurfaceBuffer> surfaceBuffer, int32_t surfaceCapacity);

    void AllocSurfaceBuffer();
    void ReleaseSurfaceBuffer();

    mutable Mutex memMutex_ {};

    /// Surface buffer
    sptr<SurfaceBuffer> surfaceBuffer_ {nullptr};

    std::shared_ptr<SurfaceAllocator> surfaceAllocator_ {nullptr};

    /// the fence fd for Surface
    int32_t fence_ {-1};

    uint32_t stride_ {0};

    bool needRender_ {false};

    friend class Buffer;
};
} // namespace Plugins
} // namespace Media
} // namespace OHOS

#endif
#endif // HISTREAMER_PLUGIN_COMMON_SURFACE_MEMORY_H