mix_video/src/mixvideoformatenc_mpeg4.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_MPEG4_H__
#define __MIX_VIDEOFORMATENC_MPEG4_H__

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



#define MIX_VIDEO_ENC_MPEG4_SURFACE_NUM		20

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

/*
 * Type macros.
 */
#define MIX_VIDEOFORMATENC_MPEG4(obj) (reinterpret_cast<MixVideoFormatEnc_MPEG4*>(obj))
#define MIX_IS_VIDEOFORMATENC_MPEG4(obj) (NULL != MIX_VIDEOFORMATENC_MPEG4(obj))

class MixVideoFormatEnc_MPEG4 : public MixVideoFormatEnc {
public:
    MixVideoFormatEnc_MPEG4();
    virtual ~MixVideoFormatEnc_MPEG4();

    /* MPEG-4:2 vmethods */
    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();
    virtual MIX_RESULT GetMaxEncodedBufSize (uint *max_size);

protected:
    /* Local Methods */
    MIX_RESULT _process_encode (MixBuffer * bufin, MixIOVec * iovout);
    MIX_RESULT _send_encode_command ();
    MIX_RESULT _send_seq_params ();
    MIX_RESULT _send_picture_parameter();
    MIX_RESULT _send_slice_parameter();

public:
    VABufferID coded_buf[2];
    VABufferID last_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 *last_frame;	//last frame;
    MixVideoFrame *lookup_frame;

    MixBuffer *last_mix_buffer;

    uchar profile_and_level_indication;
    uint fixed_vop_time_increment;
    uint disable_deblocking_filter_idc;

    uint va_rcmode_mpeg4;

    uint encoded_frames;
    bool pic_skipped;

    bool is_intra;

    uint coded_buf_size;
    uint coded_buf_index;

    uint8 ** usrptr;
    uint alloc_surface_cnt;
};

/**
 * mix_videoformatenc_mpeg4_new:
 * @returns: A newly allocated instance of #MixVideoFormatEnc_MPEG4
 *
 * Use this method to create new instance of #MixVideoFormatEnc_MPEG4
 */
MixVideoFormatEnc_MPEG4 *mix_videoformatenc_mpeg4_new(void);

/**
 * mix_videoformatenc_mpeg4_ref:
 * @mix: object to add reference
 * @returns: the MixVideoFormatEnc_MPEG4 instance where reference count has been increased.
 *
 * Add reference count.
 */
MixVideoFormatEnc_MPEG4 *mix_videoformatenc_mpeg4_ref(MixVideoFormatEnc_MPEG4 * mix);

/**
 * mix_videoformatenc_mpeg4_unref:
 * @obj: object to unref.
 *
 * Decrement reference count of the object.
 */
MixVideoFormatEnc_MPEG4 *mix_videoformatenc_mpeg4_unref(MixVideoFormatEnc_MPEG4 * mix);

#endif /* __MIX_VIDEOFORMATENC_MPEG4_H__ */