/* ********************************************************************* *\

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\* ********************************************************************* */

#ifdef USE_QSV

#include "hb.h"
#include "hbffmpeg.h"
#include "qsv_memory.h"

int qsv_nv12_to_yuv420(struct SwsContext* sws_context,hb_buffer_t* dst, mfxFrameSurface1* src, mfxCoreInterface *core){
    int ret = 0;

    int in_pitch        = src->Data.Pitch;
    int w               = HB_QSV_ALIGN16(src->Info.Width);
    int h               = (MFX_PICSTRUCT_PROGRESSIVE == src->Info.PicStruct) ? HB_QSV_ALIGN16(src->Info.Height) : HB_QSV_ALIGN32(src->Info.Height);
    uint8_t *in_luma    = 0;
    uint8_t *in_chroma  = 0;
    static int copyframe_in_use = 1;


    mfxStatus sts = MFX_ERR_NONE;
    mfxFrameSurface1 accel_dst;

    if (copyframe_in_use)
    {
        accel_dst.Info.FourCC   = src->Info.FourCC;
        accel_dst.Info.CropH    = src->Info.CropH;
        accel_dst.Info.CropW    = src->Info.CropW;
        accel_dst.Info.CropY    = src->Info.CropY;
        accel_dst.Info.CropX    = src->Info.CropX;
        accel_dst.Info.Width    = w;
        accel_dst.Info.Height   = h;
        accel_dst.Data.Pitch    = src->Data.Pitch;
        accel_dst.Data.Y        = calloc( 1, in_pitch*h );
        accel_dst.Data.VU       = calloc( 1, in_pitch*h/2 );

        sts = core->CopyFrame(core->pthis, &accel_dst, src);

        if (sts < MFX_ERR_NONE)
        {
            free(accel_dst.Data.Y);
            free(accel_dst.Data.VU);
            copyframe_in_use = 0;
        }
        else
        {
            in_luma   = accel_dst.Data.Y  + accel_dst.Info.CropY * in_pitch     + accel_dst.Info.CropX;
            in_chroma = accel_dst.Data.VU + accel_dst.Info.CropY / 2 * in_pitch + accel_dst.Info.CropX;
        }
    }

    if (!copyframe_in_use)
    {
        in_luma   = src->Data.Y  + src->Info.CropY * in_pitch     + src->Info.CropX;
        in_chroma = src->Data.VU + src->Info.CropY / 2 * in_pitch + src->Info.CropX;
    }

    hb_video_buffer_realloc( dst, w, h );

    uint8_t *srcs[]   = { in_luma, in_chroma };
    int srcs_stride[] = { in_pitch, in_pitch };

    uint8_t *dsts[]   = { dst->plane[0].data, dst->plane[1].data, dst->plane[2].data };
    int dsts_stride[] = { dst->plane[0].stride, dst->plane[1].stride, dst->plane[2].stride };

    ret = sws_scale(sws_context, (const uint8_t* const *)srcs, srcs_stride,
                    0, h, dsts, dsts_stride );

    if (copyframe_in_use)
    {
        free(accel_dst.Data.Y);
        free(accel_dst.Data.VU);
    }

    return ret;
}

int qsv_yuv420_to_nv12(struct SwsContext* sws_context,mfxFrameSurface1* dst, hb_buffer_t* src){
    int ret = 0;

    int h = src->plane[0].height;

    int out_pitch       = dst->Data.Pitch;
    uint8_t *out_luma   = dst->Data.Y;
    uint8_t *out_chroma = dst->Data.VU;

    uint8_t *srcs[]     = { src->plane[0].data, src->plane[1].data, src->plane[2].data };
    int srcs_stride[]   = { src->plane[0].stride, src->plane[1].stride, src->plane[2].stride };

    uint8_t *dsts[]     = { out_luma, out_chroma };
    int dsts_stride[]   = { out_pitch, out_pitch };

    ret = sws_scale(sws_context, (const uint8_t* const *)srcs, srcs_stride,
                    0, h, dsts, dsts_stride );

    return ret;
}

#endif // USE_QSV
