#include <winpr/sysinfo.h>

#include <winpr/assert.h>

#include <winpr/cast.h>

#include <winpr/pool.h>

#include <freerdp/settings.h>

#include <freerdp/codec/region.h>

#include <freerdp/primitives.h>

#include <freerdp/log.h>

#include <freerdp/codec/yuv.h>

#define TAG FREERDP_TAG("codec")

#if !defined(YUV_TILE_SIZE)

#error "YUV_TILE_SIZE must be defined to the size of a single YUV decoder block"

#endif

typedef struct

{

  YUV_CONTEXT* context;

  const BYTE* pYUVData[3];

  UINT32 iStride[3];

  DWORD DstFormat;

  BYTE* dest;

  UINT32 nDstStep;

  RECTANGLE_16 rect;

} YUV_PROCESS_WORK_PARAM;

typedef struct

{

  YUV_CONTEXT* context;

  const BYTE* pYUVData[3];

  UINT32 iStride[3];

  BYTE* pYUVDstData[3];

  UINT32 iDstStride[3];

  RECTANGLE_16 rect;

  avc444_frame_type type;

} YUV_COMBINE_WORK_PARAM;

typedef struct

{

  YUV_CONTEXT* context;

  const BYTE* pSrcData;

  DWORD SrcFormat;

  UINT32 nSrcStep;

  RECTANGLE_16 rect;

  BYTE version;

  BYTE* pYUVLumaData[3];

  BYTE* pYUVChromaData[3];

  UINT32 iStride[3];

} YUV_ENCODE_WORK_PARAM;

struct S_YUV_CONTEXT

{

  UINT32 width, height;

  BOOL useThreads;

  BOOL encoder;

  UINT32 heightStep;

  UINT32 work_object_count;

  PTP_WORK* work_objects;

  YUV_ENCODE_WORK_PARAM* work_enc_params;

  YUV_PROCESS_WORK_PARAM* work_dec_params;

  YUV_COMBINE_WORK_PARAM* work_combined_params;

};

static inline BOOL avc420_yuv_to_rgb(const BYTE* WINPR_RESTRICT pYUVData[3],

                                     const UINT32 iStride[3],

                                     const RECTANGLE_16* WINPR_RESTRICT rect, UINT32 nDstStep,

                                     BYTE* WINPR_RESTRICT pDstData, DWORD DstFormat)

{

  primitives_t* prims = primitives_get();

  prim_size_t roi;

  const BYTE* pYUVPoint[3];

  WINPR_ASSERT(pYUVData);

  WINPR_ASSERT(iStride);

  WINPR_ASSERT(rect);

  WINPR_ASSERT(pDstData);

  const INT32 width = rect->right - rect->left;

  const INT32 height = rect->bottom - rect->top;

  BYTE* pDstPoint = pDstData + 1ULL * rect->top * nDstStep +

                    1ULL * rect->left * FreeRDPGetBytesPerPixel(DstFormat);

  pYUVPoint[0] = pYUVData[0] + 1ULL * rect->top * iStride[0] + rect->left;

  pYUVPoint[1] = pYUVData[1] + 1ULL * rect->top / 2 * iStride[1] + rect->left / 2;

  pYUVPoint[2] = pYUVData[2] + 1ULL * rect->top / 2 * iStride[2] + rect->left / 2;

  roi.width = WINPR_ASSERTING_INT_CAST(uint32_t, width);

  roi.height = WINPR_ASSERTING_INT_CAST(uint32_t, height);

  return (prims->YUV420ToRGB_8u_P3AC4R(pYUVPoint, iStride, pDstPoint, nDstStep, DstFormat,

                                       &roi) == PRIMITIVES_SUCCESS);

}

static inline BOOL avc444_yuv_to_rgb(const BYTE* WINPR_RESTRICT pYUVData[3],

                                     const UINT32 iStride[3],

                                     const RECTANGLE_16* WINPR_RESTRICT rect, UINT32 nDstStep,

                                     BYTE* WINPR_RESTRICT pDstData, DWORD DstFormat)

{

  primitives_t* prims = primitives_get();

  prim_size_t roi;

  const BYTE* pYUVPoint[3];

  WINPR_ASSERT(pYUVData);

  WINPR_ASSERT(iStride);

  WINPR_ASSERT(rect);

  WINPR_ASSERT(pDstData);

  const INT32 width = rect->right - rect->left;

  const INT32 height = rect->bottom - rect->top;

  BYTE* pDstPoint = pDstData + 1ULL * rect->top * nDstStep +

                    1ULL * rect->left * FreeRDPGetBytesPerPixel(DstFormat);

  pYUVPoint[0] = pYUVData[0] + 1ULL * rect->top * iStride[0] + rect->left;

  pYUVPoint[1] = pYUVData[1] + 1ULL * rect->top * iStride[1] + rect->left;

  pYUVPoint[2] = pYUVData[2] + 1ULL * rect->top * iStride[2] + rect->left;

  roi.width = WINPR_ASSERTING_INT_CAST(uint32_t, width);

  roi.height = WINPR_ASSERTING_INT_CAST(uint32_t, height);

  return (prims->YUV444ToRGB_8u_P3AC4R(pYUVPoint, iStride, pDstPoint, nDstStep, DstFormat,

                                       &roi) == PRIMITIVES_SUCCESS);

}

static void CALLBACK yuv420_process_work_callback(PTP_CALLBACK_INSTANCE instance, void* context,

                                                  PTP_WORK work)

{

  YUV_PROCESS_WORK_PARAM* param = (YUV_PROCESS_WORK_PARAM*)context;

  WINPR_UNUSED(instance);

  WINPR_UNUSED(work);

  WINPR_ASSERT(param);

  if (!avc420_yuv_to_rgb(param->pYUVData, param->iStride, &param->rect, param->nDstStep,

                         param->dest, param->DstFormat))

    WLog_WARN(TAG, "avc420_yuv_to_rgb failed");

}

static void CALLBACK yuv444_process_work_callback(PTP_CALLBACK_INSTANCE instance, void* context,

                                                  PTP_WORK work)

{

  YUV_PROCESS_WORK_PARAM* param = (YUV_PROCESS_WORK_PARAM*)context;

  WINPR_UNUSED(instance);

  WINPR_UNUSED(work);

  WINPR_ASSERT(param);

  if (!avc444_yuv_to_rgb(param->pYUVData, param->iStride, &param->rect, param->nDstStep,

                         param->dest, param->DstFormat))

    WLog_WARN(TAG, "avc444_yuv_to_rgb failed");

}

BOOL yuv_context_reset(YUV_CONTEXT* WINPR_RESTRICT context, UINT32 width, UINT32 height)

{

  BOOL rc = FALSE;

  WINPR_ASSERT(context);

  context->width = width;

  context->height = height;

  context->heightStep = height;

  if (context->useThreads)

  {

    context->heightStep = 16;

    /* Preallocate workers for 16x16 tiles.

     * this is overallocation for most cases.

     *

     * ~2MB total for a 4k resolution, so negligible.

     */

    const size_t pw = (width + YUV_TILE_SIZE - width % YUV_TILE_SIZE) / 16;

    const size_t ph = (height + YUV_TILE_SIZE - height % YUV_TILE_SIZE) / 16;

    const size_t count = pw * ph;

    context->work_object_count = 0;

    if (context->encoder)

    {

      void* tmp = winpr_aligned_recalloc(context->work_enc_params, count,

                                         sizeof(YUV_ENCODE_WORK_PARAM), 32);

      if (!tmp)

        goto fail;

      memset(tmp, 0, count * sizeof(YUV_ENCODE_WORK_PARAM));

      context->work_enc_params = tmp;

    }

    else

    {

      void* tmp = winpr_aligned_recalloc(context->work_dec_params, count,

                                         sizeof(YUV_PROCESS_WORK_PARAM), 32);

      if (!tmp)

        goto fail;

      memset(tmp, 0, count * sizeof(YUV_PROCESS_WORK_PARAM));

      context->work_dec_params = tmp;

      void* ctmp = winpr_aligned_recalloc(context->work_combined_params, count,

                                          sizeof(YUV_COMBINE_WORK_PARAM), 32);

      if (!ctmp)

        goto fail;

      memset(ctmp, 0, count * sizeof(YUV_COMBINE_WORK_PARAM));

      context->work_combined_params = ctmp;

    }

    void* wtmp =

        winpr_aligned_recalloc((void*)context->work_objects, count, sizeof(PTP_WORK), 32);

    if (!wtmp)

      goto fail;

    memset(wtmp, 0, count * sizeof(PTP_WORK));

    context->work_objects = (PTP_WORK*)wtmp;

    context->work_object_count = WINPR_ASSERTING_INT_CAST(uint32_t, count);

  }

  rc = TRUE;

fail:

  return rc;

}

YUV_CONTEXT* yuv_context_new(BOOL encoder, UINT32 ThreadingFlags)

{

  SYSTEM_INFO sysInfos = WINPR_C_ARRAY_INIT;

  /** do it here to avoid a race condition between threads */

  if (!primitives_get())

    return nullptr;

  YUV_CONTEXT* ret = winpr_aligned_calloc(1, sizeof(*ret), 32);

  if (!ret)

    return nullptr;

  ret->encoder = encoder;

  if (!(ThreadingFlags & THREADING_FLAGS_DISABLE_THREADS))

  {

    GetNativeSystemInfo(&sysInfos);

    ret->useThreads = (sysInfos.dwNumberOfProcessors > 1);

  }

  return ret;

}

void yuv_context_free(YUV_CONTEXT* context)

{

  if (!context)

    return;

  if (context->useThreads)

  {

    winpr_aligned_free((void*)context->work_objects);

    winpr_aligned_free(context->work_combined_params);

    winpr_aligned_free(context->work_enc_params);

    winpr_aligned_free(context->work_dec_params);

  }

  winpr_aligned_free(context);

}

static inline YUV_PROCESS_WORK_PARAM pool_decode_param(const RECTANGLE_16* WINPR_RESTRICT rect,

                                                       YUV_CONTEXT* WINPR_RESTRICT context,

                                                       const BYTE* WINPR_RESTRICT pYUVData[3],

                                                       const UINT32 iStride[3], UINT32 DstFormat,

                                                       BYTE* WINPR_RESTRICT dest, UINT32 nDstStep)

{

  YUV_PROCESS_WORK_PARAM current = WINPR_C_ARRAY_INIT;

  WINPR_ASSERT(rect);

  WINPR_ASSERT(context);

  WINPR_ASSERT(pYUVData);

  WINPR_ASSERT(iStride);

  WINPR_ASSERT(dest);

  current.context = context;

  current.DstFormat = DstFormat;

  current.pYUVData[0] = pYUVData[0];

  current.pYUVData[1] = pYUVData[1];

  current.pYUVData[2] = pYUVData[2];

  current.iStride[0] = iStride[0];

  current.iStride[1] = iStride[1];

  current.iStride[2] = iStride[2];

  current.nDstStep = nDstStep;

  current.dest = dest;

  current.rect = *rect;

  return current;

}

static BOOL submit_object(PTP_WORK* WINPR_RESTRICT work_object, PTP_WORK_CALLBACK cb,

                          const void* WINPR_RESTRICT param, YUV_CONTEXT* WINPR_RESTRICT context)

{

  union

  {

    const void* cpv;

    void* pv;

  } cnv;

  cnv.cpv = param;

  if (!work_object)

    return FALSE;

  *work_object = nullptr;

  if (!param || !context)

    return FALSE;

  *work_object = CreateThreadpoolWork(cb, cnv.pv, nullptr);

  if (!*work_object)

    return FALSE;

  SubmitThreadpoolWork(*work_object);

  return TRUE;

}

static void free_objects(PTP_WORK* work_objects, UINT32 waitCount)

{

  WINPR_ASSERT(work_objects || (waitCount == 0));

  for (UINT32 i = 0; i < waitCount; i++)

  {

    PTP_WORK cur = work_objects[i];

    work_objects[i] = nullptr;

    if (!cur)

      continue;

    WaitForThreadpoolWorkCallbacks(cur, FALSE);

    CloseThreadpoolWork(cur);

  }

}

static BOOL intersects(UINT32 pos, const RECTANGLE_16* WINPR_RESTRICT regionRects,

                       UINT32 numRegionRects)

{

  WINPR_ASSERT(regionRects || (numRegionRects == 0));

  for (UINT32 x = pos + 1; x < numRegionRects; x++)

  {

    const RECTANGLE_16* what = &regionRects[pos];

    const RECTANGLE_16* rect = &regionRects[x];

    if (rectangles_intersects(what, rect))

    {

      WLog_WARN(TAG, "YUV decoder: intersecting rectangles, aborting");

      return TRUE;

    }

  }

  return FALSE;

}

static RECTANGLE_16 clamp(YUV_CONTEXT* WINPR_RESTRICT context,

                          const RECTANGLE_16* WINPR_RESTRICT rect, UINT32 srcHeight)

{

  WINPR_ASSERT(context);

  WINPR_ASSERT(rect);

  RECTANGLE_16 c = *rect;

  const UINT32 height = MIN(context->height, srcHeight);

  if (c.top > height)

    c.top = WINPR_ASSERTING_INT_CAST(UINT16, height);

  if (c.bottom > height)

    c.bottom = WINPR_ASSERTING_INT_CAST(UINT16, height);

  return c;

}

static BOOL pool_decode(YUV_CONTEXT* WINPR_RESTRICT context, PTP_WORK_CALLBACK cb,

                        const BYTE* WINPR_RESTRICT pYUVData[3], const UINT32 iStride[3],

                        UINT32 yuvHeight, UINT32 DstFormat, BYTE* WINPR_RESTRICT dest,

                        UINT32 nDstStep, const RECTANGLE_16* WINPR_RESTRICT regionRects,

                        UINT32 numRegionRects)

{

  BOOL rc = FALSE;

  UINT32 waitCount = 0;

  primitives_t* prims = primitives_get();

  WINPR_ASSERT(context);

  WINPR_ASSERT(cb);

  WINPR_ASSERT(pYUVData);

  WINPR_ASSERT(iStride);

  WINPR_ASSERT(dest);

  WINPR_ASSERT(regionRects || (numRegionRects == 0));

  if (context->encoder)

  {

    WLog_ERR(TAG, "YUV context set up for encoding, can not decode with it, aborting");

    return FALSE;

  }

  if (!context->useThreads || (primitives_flags(prims) & PRIM_FLAGS_HAVE_EXTGPU))

  {

    for (UINT32 y = 0; y < numRegionRects; y++)

    {

      const RECTANGLE_16 rect = clamp(context, &regionRects[y], yuvHeight);

      YUV_PROCESS_WORK_PARAM current =

          pool_decode_param(&rect, context, pYUVData, iStride, DstFormat, dest, nDstStep);

      cb(nullptr, &current, nullptr);

    }

    return TRUE;

  }

  /* case where we use threads */

  for (UINT32 x = 0; x < numRegionRects; x++)

  {

    RECTANGLE_16 r = clamp(context, &regionRects[x], yuvHeight);

    if (intersects(x, regionRects, numRegionRects))

      continue;

    while (r.left < r.right)

    {

      RECTANGLE_16 y = r;

      y.right = MIN(r.right, r.left + YUV_TILE_SIZE);

      while (y.top < y.bottom)

      {

        RECTANGLE_16 z = y;

        if (context->work_object_count <= waitCount)

        {

          free_objects(context->work_objects, context->work_object_count);

          waitCount = 0;

        }

        YUV_PROCESS_WORK_PARAM* cur = &context->work_dec_params[waitCount];

        z.bottom = MIN(z.bottom, z.top + YUV_TILE_SIZE);

        if (rectangle_is_empty(&z))

          continue;

        *cur = pool_decode_param(&z, context, pYUVData, iStride, DstFormat, dest, nDstStep);

        if (!submit_object(&context->work_objects[waitCount], cb, cur, context))

          goto fail;

        waitCount++;

        y.top += YUV_TILE_SIZE;

      }

      r.left += YUV_TILE_SIZE;

    }

  }

  rc = TRUE;

fail:

  free_objects(context->work_objects, context->work_object_count);

  return rc;

}

static inline BOOL check_rect(const YUV_CONTEXT* WINPR_RESTRICT yuv,

                              const RECTANGLE_16* WINPR_RESTRICT rect, UINT32 nDstWidth,

                              UINT32 nDstHeight)

{

  WINPR_ASSERT(yuv);

  WINPR_ASSERT(rect);

  /* Check, if the output rectangle is valid in decoded h264 frame. */

  if ((rect->right > yuv->width) || (rect->left > yuv->width))

    return FALSE;

  if ((rect->top > yuv->height) || (rect->bottom > yuv->height))

    return FALSE;

  /* Check, if the output rectangle is valid in destination buffer. */

  if ((rect->right > nDstWidth) || (rect->left > nDstWidth))

    return FALSE;

  if ((rect->bottom > nDstHeight) || (rect->top > nDstHeight))

    return FALSE;

  return TRUE;

}

static void CALLBACK yuv444_combine_work_callback(PTP_CALLBACK_INSTANCE instance, void* context,

                                                  PTP_WORK work)

{

  YUV_COMBINE_WORK_PARAM* param = (YUV_COMBINE_WORK_PARAM*)context;

  primitives_t* prims = primitives_get();

  WINPR_ASSERT(param);

  YUV_CONTEXT* yuv = param->context;

  WINPR_ASSERT(yuv);

  const RECTANGLE_16* rect = &param->rect;

  WINPR_ASSERT(rect);

  /* For AVC444v2 the combine reads the V (and second half U) samples from the

   * decoded auxiliary plane at a fixed nTotalWidth offset. A server may send a

   * frame smaller than the surface, so cap the aligned width at the Y plane

   * stride to keep that offset inside the decoded plane. */

  const UINT32 alignedWidth =

      MIN(yuv->width + ((yuv->width % 32 != 0) ? 32 - yuv->width % 32 : 0), param->iStride[0]);

  const UINT32 alignedHeight =

      yuv->height + ((yuv->height % 16 != 0) ? 16 - yuv->height % 16 : 0);

  WINPR_UNUSED(instance);

  WINPR_UNUSED(work);

  if (!check_rect(param->context, rect, yuv->width, yuv->height))

    return;

  if (prims->YUV420CombineToYUV444(param->type, param->pYUVData, param->iStride, alignedWidth,

                                   alignedHeight, param->pYUVDstData, param->iDstStride,

                                   rect) != PRIMITIVES_SUCCESS)

    WLog_WARN(TAG, "YUV420CombineToYUV444 failed");

}

static inline YUV_COMBINE_WORK_PARAM

pool_decode_rect_param(const RECTANGLE_16* WINPR_RESTRICT rect, YUV_CONTEXT* WINPR_RESTRICT context,

                       BYTE type, const BYTE* WINPR_RESTRICT pYUVData[3], const UINT32 iStride[3],

                       BYTE* WINPR_RESTRICT pYUVDstData[3], const UINT32 iDstStride[3])

{

  YUV_COMBINE_WORK_PARAM current = WINPR_C_ARRAY_INIT;

  WINPR_ASSERT(rect);

  WINPR_ASSERT(context);

  WINPR_ASSERT(pYUVData);

  WINPR_ASSERT(iStride);

  WINPR_ASSERT(pYUVDstData);

  WINPR_ASSERT(iDstStride);

  current.context = context;

  current.pYUVData[0] = pYUVData[0];

  current.pYUVData[1] = pYUVData[1];

  current.pYUVData[2] = pYUVData[2];

  current.pYUVDstData[0] = pYUVDstData[0];

  current.pYUVDstData[1] = pYUVDstData[1];

  current.pYUVDstData[2] = pYUVDstData[2];

  current.iStride[0] = iStride[0];

  current.iStride[1] = iStride[1];

  current.iStride[2] = iStride[2];

  current.iDstStride[0] = iDstStride[0];

  current.iDstStride[1] = iDstStride[1];

  current.iDstStride[2] = iDstStride[2];

  current.type = WINPR_ASSERTING_INT_CAST(avc444_frame_type, type);

  current.rect = *rect;

  return current;

}

static BOOL pool_decode_rect(YUV_CONTEXT* WINPR_RESTRICT context, BYTE type,

                             const BYTE* WINPR_RESTRICT pYUVData[3], const UINT32 iStride[3],

                             BYTE* WINPR_RESTRICT pYUVDstData[3], const UINT32 iDstStride[3],

                             const RECTANGLE_16* WINPR_RESTRICT regionRects, UINT32 numRegionRects)

{

  BOOL rc = FALSE;

  UINT32 waitCount = 0;

  PTP_WORK_CALLBACK cb = yuv444_combine_work_callback;

  primitives_t* prims = primitives_get();

  WINPR_ASSERT(context);

  WINPR_ASSERT(pYUVData);

  WINPR_ASSERT(iStride);

  WINPR_ASSERT(pYUVDstData);

  WINPR_ASSERT(iDstStride);

  WINPR_ASSERT(regionRects || (numRegionRects == 0));

  if (!context->useThreads || (primitives_flags(prims) & PRIM_FLAGS_HAVE_EXTGPU))

  {

    for (UINT32 y = 0; y < numRegionRects; y++)

    {

      YUV_COMBINE_WORK_PARAM current = pool_decode_rect_param(

          &regionRects[y], context, type, pYUVData, iStride, pYUVDstData, iDstStride);

      cb(nullptr, &current, nullptr);

    }

    return TRUE;

  }

  /* case where we use threads */

  for (UINT32 x = 0; x < numRegionRects; x++)

  {

    YUV_COMBINE_WORK_PARAM* current = nullptr;

    if (context->work_object_count <= waitCount)

    {

      free_objects(context->work_objects, context->work_object_count);

      waitCount = 0;

    }

    current = &context->work_combined_params[waitCount];

    *current = pool_decode_rect_param(&regionRects[x], context, type, pYUVData, iStride,

                                      pYUVDstData, iDstStride);

    if (!submit_object(&context->work_objects[waitCount], cb, current, context))

      goto fail;

    waitCount++;

  }

  rc = TRUE;

fail:

  free_objects(context->work_objects, context->work_object_count);

  return rc;

}

BOOL yuv444_context_decode(YUV_CONTEXT* WINPR_RESTRICT context, BYTE type,

                           const BYTE* WINPR_RESTRICT pYUVData[3], const UINT32 iStride[3],

                           UINT32 srcYuvHeight, BYTE* WINPR_RESTRICT pYUVDstData[3],

                           const UINT32 iDstStride[3], DWORD DstFormat, BYTE* WINPR_RESTRICT dest,

                           UINT32 nDstStep, const RECTANGLE_16* WINPR_RESTRICT regionRects,

                           UINT32 numRegionRects)

{

  const BYTE* pYUVCDstData[3];

  WINPR_ASSERT(context);

  WINPR_ASSERT(pYUVData);

  WINPR_ASSERT(iStride);

  WINPR_ASSERT(pYUVDstData);

  WINPR_ASSERT(iDstStride);

  WINPR_ASSERT(dest);

  WINPR_ASSERT(regionRects || (numRegionRects == 0));

  if (context->encoder)

  {

    WLog_ERR(TAG, "YUV context set up for encoding, can not decode with it, aborting");

    return FALSE;

  }

  if (!pool_decode_rect(context, type, pYUVData, iStride, pYUVDstData, iDstStride, regionRects,

                        numRegionRects))

    return FALSE;

  pYUVCDstData[0] = pYUVDstData[0];

  pYUVCDstData[1] = pYUVDstData[1];

  pYUVCDstData[2] = pYUVDstData[2];

  return pool_decode(context, yuv444_process_work_callback, pYUVCDstData, iDstStride,

                     srcYuvHeight, DstFormat, dest, nDstStep, regionRects, numRegionRects);

}

BOOL yuv420_context_decode(YUV_CONTEXT* WINPR_RESTRICT context,

                           const BYTE* WINPR_RESTRICT pYUVData[3], const UINT32 iStride[3],

                           UINT32 yuvHeight, DWORD DstFormat, BYTE* WINPR_RESTRICT dest,

                           UINT32 nDstStep, const RECTANGLE_16* WINPR_RESTRICT regionRects,

                           UINT32 numRegionRects)

{

  return pool_decode(context, yuv420_process_work_callback, pYUVData, iStride, yuvHeight,

                     DstFormat, dest, nDstStep, regionRects, numRegionRects);

}

static void CALLBACK yuv420_encode_work_callback(PTP_CALLBACK_INSTANCE instance, void* context,

                                                 PTP_WORK work)

{

  prim_size_t roi;

  YUV_ENCODE_WORK_PARAM* param = (YUV_ENCODE_WORK_PARAM*)context;

  primitives_t* prims = primitives_get();

  BYTE* pYUVData[3];

  const BYTE* src = nullptr;

  WINPR_UNUSED(instance);

  WINPR_UNUSED(work);

  WINPR_ASSERT(param);

  roi.width = param->rect.right - param->rect.left;

  roi.height = param->rect.bottom - param->rect.top;

  src = param->pSrcData + 1ULL * param->nSrcStep * param->rect.top +

        1ULL * param->rect.left * FreeRDPGetBytesPerPixel(param->SrcFormat);

  pYUVData[0] =

      param->pYUVLumaData[0] + 1ULL * param->rect.top * param->iStride[0] + param->rect.left;

  pYUVData[1] = param->pYUVLumaData[1] + 1ULL * param->rect.top / 2 * param->iStride[1] +

                param->rect.left / 2;

  pYUVData[2] = param->pYUVLumaData[2] + 1ULL * param->rect.top / 2 * param->iStride[2] +

                param->rect.left / 2;

  if (prims->RGBToYUV420_8u_P3AC4R(src, param->SrcFormat, param->nSrcStep, pYUVData,

                                   param->iStride, &roi) != PRIMITIVES_SUCCESS)

  {

    WLog_ERR(TAG, "error when decoding lines");

  }

}

static void CALLBACK yuv444v1_encode_work_callback(PTP_CALLBACK_INSTANCE instance, void* context,

                                                   PTP_WORK work)

{

  prim_size_t roi;

  YUV_ENCODE_WORK_PARAM* param = (YUV_ENCODE_WORK_PARAM*)context;

  primitives_t* prims = primitives_get();

  BYTE* pYUVLumaData[3];

  BYTE* pYUVChromaData[3];

  const BYTE* src = nullptr;

  WINPR_UNUSED(instance);

  WINPR_UNUSED(work);

  WINPR_ASSERT(param);

  roi.width = param->rect.right - param->rect.left;

  roi.height = param->rect.bottom - param->rect.top;

  src = param->pSrcData + 1ULL * param->nSrcStep * param->rect.top +

        1ULL * param->rect.left * FreeRDPGetBytesPerPixel(param->SrcFormat);

  pYUVLumaData[0] =

      param->pYUVLumaData[0] + 1ULL * param->rect.top * param->iStride[0] + param->rect.left;

  pYUVLumaData[1] = param->pYUVLumaData[1] + 1ULL * param->rect.top / 2 * param->iStride[1] +

                    param->rect.left / 2;

  pYUVLumaData[2] = param->pYUVLumaData[2] + 1ULL * param->rect.top / 2 * param->iStride[2] +

                    param->rect.left / 2;

  pYUVChromaData[0] =

      param->pYUVChromaData[0] + 1ULL * param->rect.top * param->iStride[0] + param->rect.left;

  pYUVChromaData[1] = param->pYUVChromaData[1] + 1ULL * param->rect.top / 2 * param->iStride[1] +

                      param->rect.left / 2;

  pYUVChromaData[2] = param->pYUVChromaData[2] + 1ULL * param->rect.top / 2 * param->iStride[2] +

                      param->rect.left / 2;

  if (prims->RGBToAVC444YUV(src, param->SrcFormat, param->nSrcStep, pYUVLumaData, param->iStride,

                            pYUVChromaData, param->iStride, &roi) != PRIMITIVES_SUCCESS)

  {

    WLog_ERR(TAG, "error when decoding lines");

  }

}

static void CALLBACK yuv444v2_encode_work_callback(PTP_CALLBACK_INSTANCE instance, void* context,

                                                   PTP_WORK work)

{

  prim_size_t roi;

  YUV_ENCODE_WORK_PARAM* param = (YUV_ENCODE_WORK_PARAM*)context;

  primitives_t* prims = primitives_get();

  BYTE* pYUVLumaData[3];

  BYTE* pYUVChromaData[3];

  const BYTE* src = nullptr;

  WINPR_UNUSED(instance);

  WINPR_UNUSED(work);

  WINPR_ASSERT(param);

  roi.width = param->rect.right - param->rect.left;

  roi.height = param->rect.bottom - param->rect.top;

  src = param->pSrcData + 1ULL * param->nSrcStep * param->rect.top +

        1ULL * param->rect.left * FreeRDPGetBytesPerPixel(param->SrcFormat);

  pYUVLumaData[0] =

      param->pYUVLumaData[0] + 1ULL * param->rect.top * param->iStride[0] + param->rect.left;

  pYUVLumaData[1] = param->pYUVLumaData[1] + 1ULL * param->rect.top / 2 * param->iStride[1] +

                    param->rect.left / 2;

  pYUVLumaData[2] = param->pYUVLumaData[2] + 1ULL * param->rect.top / 2 * param->iStride[2] +

                    param->rect.left / 2;

  pYUVChromaData[0] =

      param->pYUVChromaData[0] + 1ULL * param->rect.top * param->iStride[0] + param->rect.left;

  pYUVChromaData[1] = param->pYUVChromaData[1] + 1ULL * param->rect.top / 2 * param->iStride[1] +

                      param->rect.left / 2;

  pYUVChromaData[2] = param->pYUVChromaData[2] + 1ULL * param->rect.top / 2 * param->iStride[2] +

                      param->rect.left / 2;

  if (prims->RGBToAVC444YUVv2(src, param->SrcFormat, param->nSrcStep, pYUVLumaData,

                              param->iStride, pYUVChromaData, param->iStride,

                              &roi) != PRIMITIVES_SUCCESS)

  {

    WLog_ERR(TAG, "error when decoding lines");

  }

}

static inline YUV_ENCODE_WORK_PARAM

pool_encode_fill(const RECTANGLE_16* WINPR_RESTRICT rect, YUV_CONTEXT* WINPR_RESTRICT context,

                 const BYTE* WINPR_RESTRICT pSrcData, UINT32 nSrcStep, UINT32 SrcFormat,

                 const UINT32 iStride[], BYTE* WINPR_RESTRICT pYUVLumaData[],

                 BYTE* WINPR_RESTRICT pYUVChromaData[])

{

  YUV_ENCODE_WORK_PARAM current = WINPR_C_ARRAY_INIT;

  WINPR_ASSERT(rect);

  WINPR_ASSERT(context);

  WINPR_ASSERT(pSrcData);

  WINPR_ASSERT(iStride);

  WINPR_ASSERT(pYUVLumaData);

  current.context = context;

  current.pSrcData = pSrcData;

  current.SrcFormat = SrcFormat;

  current.nSrcStep = nSrcStep;

  current.pYUVLumaData[0] = pYUVLumaData[0];

  current.pYUVLumaData[1] = pYUVLumaData[1];

  current.pYUVLumaData[2] = pYUVLumaData[2];

  if (pYUVChromaData)

  {

    current.pYUVChromaData[0] = pYUVChromaData[0];

    current.pYUVChromaData[1] = pYUVChromaData[1];

    current.pYUVChromaData[2] = pYUVChromaData[2];

  }

  current.iStride[0] = iStride[0];

  current.iStride[1] = iStride[1];

  current.iStride[2] = iStride[2];

  current.rect = *rect;

  return current;

}

static uint32_t getSteps(uint32_t height, uint32_t step)

{

  const uint32_t steps = (height + step / 2 + 1) / step;

  if (steps < 1)

    return 1;

  return steps;

}

static BOOL pool_encode(YUV_CONTEXT* WINPR_RESTRICT context, PTP_WORK_CALLBACK cb,

                        const BYTE* WINPR_RESTRICT pSrcData, UINT32 nSrcStep, UINT32 SrcFormat,

                        const UINT32 iStride[], BYTE* WINPR_RESTRICT pYUVLumaData[],

                        BYTE* WINPR_RESTRICT pYUVChromaData[],

                        const RECTANGLE_16* WINPR_RESTRICT regionRects, UINT32 numRegionRects)

{

  BOOL rc = FALSE;

  primitives_t* prims = primitives_get();

  UINT32 waitCount = 0;

  WINPR_ASSERT(context);

  WINPR_ASSERT(cb);

  WINPR_ASSERT(pSrcData);

  WINPR_ASSERT(iStride);

  WINPR_ASSERT(regionRects || (numRegionRects == 0));

  if (!context->encoder)

  {

    WLog_ERR(TAG, "YUV context set up for decoding, can not encode with it, aborting");

    return FALSE;

  }

  if (!context->useThreads || (primitives_flags(prims) & PRIM_FLAGS_HAVE_EXTGPU))

  {

    for (UINT32 x = 0; x < numRegionRects; x++)

    {

      YUV_ENCODE_WORK_PARAM current =

          pool_encode_fill(&regionRects[x], context, pSrcData, nSrcStep, SrcFormat, iStride,

                           pYUVLumaData, pYUVChromaData);

      cb(nullptr, &current, nullptr);

    }

    return TRUE;

  }

  /* case where we use threads */

  for (UINT32 x = 0; x < numRegionRects; x++)

  {

    const RECTANGLE_16* rect = &regionRects[x];

    const UINT32 height = rect->bottom - rect->top;

    const UINT32 steps = getSteps(height, context->heightStep);

    for (UINT32 y = 0; y < steps; y++)

    {

      RECTANGLE_16 r = *rect;

      YUV_ENCODE_WORK_PARAM* current = nullptr;

      if (context->work_object_count <= waitCount)

      {

        free_objects(context->work_objects, context->work_object_count);

        waitCount = 0;

      }

      current = &context->work_enc_params[waitCount];

      r.top += y * context->heightStep;

      *current = pool_encode_fill(&r, context, pSrcData, nSrcStep, SrcFormat, iStride,

                                  pYUVLumaData, pYUVChromaData);

      if (!submit_object(&context->work_objects[waitCount], cb, current, context))

        goto fail;

      waitCount++;

    }

  }

  rc = TRUE;

fail:

  free_objects(context->work_objects, context->work_object_count);

  return rc;

}

BOOL yuv420_context_encode(YUV_CONTEXT* WINPR_RESTRICT context, const BYTE* WINPR_RESTRICT pSrcData,

                           UINT32 nSrcStep, UINT32 SrcFormat, const UINT32 iStride[3],

                           BYTE* WINPR_RESTRICT pYUVData[3],

                           const RECTANGLE_16* WINPR_RESTRICT regionRects, UINT32 numRegionRects)

{

  if (!context || !pSrcData || !iStride || !pYUVData || !regionRects)

    return FALSE;

  return pool_encode(context, yuv420_encode_work_callback, pSrcData, nSrcStep, SrcFormat, iStride,

                     pYUVData, nullptr, regionRects, numRegionRects);

}

BOOL yuv444_context_encode(YUV_CONTEXT* WINPR_RESTRICT context, BYTE version,

                           const BYTE* WINPR_RESTRICT pSrcData, UINT32 nSrcStep, UINT32 SrcFormat,

                           const UINT32 iStride[3], BYTE* WINPR_RESTRICT pYUVLumaData[3],

                           BYTE* WINPR_RESTRICT pYUVChromaData[3],

                           const RECTANGLE_16* WINPR_RESTRICT regionRects, UINT32 numRegionRects)

{

  PTP_WORK_CALLBACK cb = nullptr;

  switch (version)

  {

    case 1:

      cb = yuv444v1_encode_work_callback;

      break;

    case 2:

      cb = yuv444v2_encode_work_callback;

      break;

    default:

      return FALSE;

  }

  return pool_encode(context, cb, pSrcData, nSrcStep, SrcFormat, iStride, pYUVLumaData,

                     pYUVChromaData, regionRects, numRegionRects);

}