mix_video/src/mixvideoformatenc_preview.h

/*
 INTEL CONFIDENTIAL
 Copyright 2009 Intel Corporation All Rights Reserved.
 The source code contained or described herein and all documents related to the source code ("Material") are owned by Intel Corporation or its suppliers or licensors. Title to the Material remains with Intel Corporation or its suppliers and licensors. The Material contains trade secrets and proprietary and confidential information of Intel or its suppliers and licensors. The Material is protected by worldwide copyright and trade secret laws and treaty provisions. No part of the Material may be used, copied, reproduced, modified, published, uploaded, posted, transmitted, distributed, or disclosed in any way without Intel’s prior express written permission.

 No license under any patent, copyright, trade secret or other intellectual property right is granted to or conferred upon you by disclosure or delivery of the Materials, either expressly, by implication, inducement, estoppel or otherwise. Any license under such intellectual property rights must be express and approved by Intel in writing.
 */

#ifndef __MIX_VIDEOFORMATENC_PREVIEW_H__
#define __MIX_VIDEOFORMATENC_PREVIEW_H__

#include "mixvideoformatenc.h"
#include "mixvideoframe_private.h"

#define MIX_VIDEO_ENC_PREVIEW_SURFACE_NUM       20

#define min(X,Y) (((X) < (Y)) ? (X) : (Y))
#define max(X,Y) (((X) > (Y)) ? (X) : (Y))

/*
 * Type macros.
 */
#define MIX_VIDEOFORMATENC_PREVIEW(obj) (dynamic_cast<MixVideoFormatEnc_Preview*>(obj)))
#define MIX_IS_VIDEOFORMATENC_PREVIEW(obj) (NULL != MIX_VIDEOFORMATENC_PREVIEW(obj))

class MixVideoFormatEnc_Preview : public MixVideoFormatEnc {
public:
    MixVideoFormatEnc_Preview();
    virtual ~MixVideoFormatEnc_Preview();

    virtual MIX_RESULT Initialize(
        MixVideoConfigParamsEnc* config_params_enc,
        MixFrameManager * frame_mgr,
        MixBufferPool * input_buf_pool,
        MixSurfacePool ** surface_pool,
        MixUsrReqSurfacesInfo * requested_surface_info,
        VADisplay va_display);
    virtual MIX_RESULT Encode( MixBuffer * bufin[],
                               int bufincnt, MixIOVec * iovout[], int iovoutcnt,
                               MixVideoEncodeParams * encode_params);
    virtual MIX_RESULT Flush();
    virtual MIX_RESULT Deinitialize();

private:
    /* Local Methods */
    MIX_RESULT _process_encode (MixBuffer * bufin, MixIOVec * iovout);

public:
    VABufferID coded_buf;
    VABufferID seq_param_buf;
    VABufferID pic_param_buf;
    VABufferID slice_param_buf;
    VASurfaceID * shared_surfaces;
    VASurfaceID * surfaces;
    uint surface_num;
    uint shared_surfaces_cnt;
    uint precreated_surfaces_cnt;

    MixVideoFrame *cur_frame;	//current input frame to be encoded;
    MixVideoFrame *ref_frame;	//reference frame
    MixVideoFrame *rec_frame;	//reconstructed frame;
    MixVideoFrame *lookup_frame;

    uint basic_unit_size;	//for rate control
    uint disable_deblocking_filter_idc;
    uint slice_num;
    uint va_rcmode_preview;


    uint encoded_frames;
    bool pic_skipped;

    bool is_intra;

    uint coded_buf_size;

    uint8 ** usrptr;
    uint alloc_surface_cnt;

    /*< public > */
};



/**
 * mix_videoformatenc_preview_new:
 * @returns: A newly allocated instance of #MixVideoFormatEnc_Preview
 *
 * Use this method to create new instance of #MixVideoFormatEnc_Preview
 */
MixVideoFormatEnc_Preview *mix_videoformatenc_preview_new(void);

/**
 * mix_videoformatenc_preview_ref:
 * @mix: object to add reference
 * @returns: the MixVideoFormatEnc_Preview instance where reference count has been increased.
 *
 * Add reference count.
 */
MixVideoFormatEnc_Preview *mix_videoformatenc_preview_ref(MixVideoFormatEnc_Preview * mix);

/**
 * mix_videoformatenc_preview_unref:
 * @obj: object to unref.
 *
 * Decrement reference count of the object.
 */
MixVideoFormatEnc_Preview * mix_videoformatenc_preview_unref(MixVideoFormatEnc_Preview * mix);

#endif /* __MIX_VIDEOFORMATENC_PREVIEW_H__ */