/*
 *******************************************************************************
 *                                   INCLUDE
 *******************************************************************************
 */
#include "CodecCapabilityManager.h"

namespace Video
{
namespace Core
{
/*
 *******************************************************************************
 *                                CLASS DEFINE
 *******************************************************************************
 */
const int CodecCapabilityManager::INVALID_HANDLE = -1;

CodecCapabilityManager::CodecCapabilityManager(uint64_t total): _total(total), _handles(1024)
{
}

CodecCapabilityManager::Handle CodecCapabilityManager::alloc(uint32_t width, uint32_t height, uint32_t frameRate)
{
    uint64_t                    v = width * height * frameRate;
    Poco::FastMutex::ScopedLock lock(_lock);
    if (v <= _total)
    {
        try
        {
            Handle h        = _handles.allocHandle();
            _allocRecord[h] = v;
            _total -= v;
            return h;
        }
        catch (...)
        {
        }
    }

    return INVALID_HANDLE;
}

void CodecCapabilityManager::free(Handle handle)
{
    if (handle != INVALID_HANDLE)
    {
        Poco::FastMutex::ScopedLock lock(_lock);
        try
        {
            _handles.freeHandle(handle);
            _total += _allocRecord[handle];
            _allocRecord.erase(handle);
        }
        catch (...)
        {
        }
    }
}
}
}