umc_vc1_dec_exception.h

audio-video-codecs.rar语音编解码器

/*//////////////////////////////////////////////////////////////////////////////
//
//                  INTEL CORPORATION PROPRIETARY INFORMATION
//     This software is supplied under the terms of a license agreement or
//     nondisclosure agreement with Intel Corporation and may not be copied
//     or disclosed except in accordance with the terms of that agreement.
//          Copyright(c) 2004-2007 Intel Corporation. All Rights Reserved.
//
//         Exceptions for VC-1 decoder
*/

#include "umc_defs.h"

#if defined (UMC_ENABLE_VC1_VIDEO_DECODER)

#ifndef __UMC_VC1_DEC_EXCEPTION_H_
#define __UMC_VC1_DEC_EXCEPTION_H_

namespace UMC
{
    namespace VC1Exceptions
    {
        typedef enum
        {
            vld = 0,
            internal_pipeline_error = 1,
            invalid_stream          = 2,
            mem_allocation_er       = 3

        } exception_type; // we have one class for VC1 exceptions but several types to simplify design
        typedef enum
        {
            max_decoding,    // try to decode
            smart_recon,     // diffrent schemes for reconstruction
            fast_decoding,  // need for skip frames in cae of invalid streams
            fast_err_detect  // signal about errors
        } robust_profile;

        typedef enum
        {
            mbOneLevel,   // we change only bad MB
            mbGroupLevel, // we change MB quant
            FrameLevel    // we change all frame (copy from reference)
        } SmartLevel;

        class vc1_exception
        {
        public:
            vc1_exception(exception_type type):m_ExceptType(type)
            {
            };
            exception_type get_exception_type()
            {
                return m_ExceptType;
            }
            void set_exception_type(exception_type e_type)
            {
                m_ExceptType = e_type;
            }
            exception_type   m_ExceptType;
        };

        // vc1_except_profiler consist from current profile description
        class vc1_except_profiler
        {
        public:
            vc1_except_profiler(robust_profile profile,
                                SmartLevel     level): m_Profile(profile),
                                m_SmartLevel(level)
            {
            }
            static vc1_except_profiler GetEnvDescript(robust_profile profile = max_decoding,
                                                      SmartLevel     level   = mbOneLevel)
            {
                static vc1_except_profiler profiler(profile,level);
                return profiler;
            }
            robust_profile m_Profile;
            SmartLevel     m_SmartLevel;
        };
    }
}
#endif
#endif