/*

 * Copyright (C) 2015 Intel Corporation. All rights reserved.

 *

 * 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.

 */

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include "surfacepool.h"

#include "common/log.h"

namespace YamiMediaCodec{

SharedPtr<SurfacePool>

SurfacePool::create(const SharedPtr<SurfaceAllocator>& alloc,

    uint32_t fourcc, uint32_t width, uint32_t height, uint32_t size)

{

    SharedPtr<SurfacePool> pool(new SurfacePool);

    if (YAMI_SUCCESS != pool->init(alloc, fourcc, width, height, size))

        pool.reset();

    return pool;

}

SurfacePool::SurfacePool()

{

    memset(&m_params, 0, sizeof(m_params));

}

YamiStatus SurfacePool::init(const SharedPtr<SurfaceAllocator>& alloc,

    uint32_t fourcc, uint32_t width, uint32_t height, uint32_t size)

{

    m_params.fourcc = fourcc;

    m_params.width = width;

    m_params.height = height;

    m_params.size = size;

    YamiStatus status = alloc->alloc(alloc.get(), &m_params);

    if (status != YAMI_SUCCESS)

        return status;

    //prepare surfaces for pool

    std::deque<SurfacePtr> surfaces;

    for (uint32_t i = 0; i < m_params.size; i++) {

        SurfacePtr s(new VaapiSurface(m_params.surfaces[i], width, height, fourcc));

        surfaces.push_back(s);

    }

    m_pool.reset(new VideoPool<VaapiSurface>(surfaces));

    if (!m_pool) {

        ERROR("failed to create Surface Pool");

        return YAMI_OUT_MEMORY;

    }

    m_alloc = alloc;

    return YAMI_SUCCESS;

}

SurfacePool::~SurfacePool()

{

    if (m_alloc) {

        m_alloc->free(m_alloc.get(), &m_params);

    }

}

SurfacePtr SurfacePool::alloc()

{

    return m_pool->alloc();

}

} //YamiMediaCodec