/*****************************************************************************
* Copyright (C) 2013 x265 project
*
* Author: Steve Borho <steve@borho.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
*
* This program is also available under a commercial proprietary license.
* For more information, contact us at license @ x265.com.
*****************************************************************************/

#ifndef X265_FRAME_H
#define X265_FRAME_H

#include "common.h"
#include "lowres.h"
#include "threading.h"

namespace X265_NS {
// private namespace

class FrameData;
class PicYuv;
struct SPS;

#define IS_REFERENCED(frame) (frame->m_lowres.sliceType != X265_TYPE_B) 

class Frame
{
public:

    /* These two items will be NULL until the Frame begins to be encoded, at which point
     * it will be assigned a FrameData instance, which comes with a reconstructed image PicYuv */
    FrameData*             m_encData;
    PicYuv*                m_reconPic;

    /* Data associated with x265_picture */
    PicYuv*                m_fencPic;
    int                    m_poc;
    int64_t                m_pts;                // user provided presentation time stamp
    int64_t                m_reorderedPts;
    int64_t                m_dts;
    int32_t                m_forceqp;            // Force to use the qp specified in qp file
    void*                  m_userData;           // user provided pointer passed in with this picture

    Lowres                 m_lowres;
    bool                   m_lowresInit;         // lowres init complete (pre-analysis)
    bool                   m_bChromaExtended;    // orig chroma planes motion extended for weight analysis

    float*                 m_quantOffsets;       // points to quantOffsets in x265_picture

    /* Frame Parallelism - notification between FrameEncoders of available motion reference rows */
    ThreadSafeInteger      m_reconRowCount;      // count of CTU rows completely reconstructed and extended for motion reference
    volatile uint32_t      m_countRefEncoders;   // count of FrameEncoder threads monitoring m_reconRowCount

    Frame*                 m_next;               // PicList doubly linked list pointers
    Frame*                 m_prev;
    x265_param*            m_param;              // Points to the latest param set for the frame.
    x265_analysis_data     m_analysisData;
    Frame();

    bool create(x265_param *param, float* quantOffsets);
    bool allocEncodeData(x265_param *param, const SPS& sps);
    void reinit(const SPS& sps);
    void destroy();
};
}

#endif // ifndef X265_FRAME_H