nsc.h

 
#ifndef FREERDP_CODEC_NSCODEC_H
#define FREERDP_CODEC_NSCODEC_H
 
#include <freerdp/api.h>
#include <freerdp/types.h>
#include <freerdp/constants.h>
 
#include <winpr/stream.h>
 
#ifdef __cplusplus
extern "C"
{
#endif
 
  typedef enum
  {
    NSC_COLOR_LOSS_LEVEL,       
    NSC_ALLOW_SUBSAMPLING,      
    NSC_DYNAMIC_COLOR_FIDELITY, 
    NSC_COLOR_FORMAT 
  } NSC_PARAMETER;
 
  typedef struct S_NSC_CONTEXT NSC_CONTEXT;
 
#if defined(WITH_FREERDP_DEPRECATED)
  WINPR_DEPRECATED_VAR("Use nsc_context_set_parameters(NSC_COLOR_FORMAT)",
                       WINPR_ATTR_NODISCARD FREERDP_API BOOL nsc_context_set_pixel_format(
                           NSC_CONTEXT* context, UINT32 pixel_format));
#endif
 
  WINPR_ATTR_NODISCARD
  FREERDP_API BOOL nsc_context_set_parameters(NSC_CONTEXT* WINPR_RESTRICT context,
                                              NSC_PARAMETER what, UINT32 value);
 
  WINPR_ATTR_NODISCARD
  FREERDP_API BOOL nsc_process_message(NSC_CONTEXT* WINPR_RESTRICT context, UINT16 bpp,
                                       UINT32 width, UINT32 height, const BYTE* data,
                                       UINT32 length, BYTE* WINPR_RESTRICT pDstData,
                                       UINT32 DstFormat, UINT32 nDstStride, UINT32 nXDst,
                                       UINT32 nYDst, UINT32 nWidth, UINT32 nHeight, UINT32 flip);
 
  WINPR_ATTR_NODISCARD
  FREERDP_API BOOL nsc_compose_message(NSC_CONTEXT* WINPR_RESTRICT context,
                                       wStream* WINPR_RESTRICT s,
                                       const BYTE* WINPR_RESTRICT bmpdata, UINT32 width,
                                       UINT32 height, UINT32 scanline);
 
#if !defined(WITHOUT_FREERDP_3x_DEPRECATED)
 
  WINPR_DEPRECATED_VAR(
      "[since 3.23.0] deprecated, insecure! missing length checks. use nsc_process_message",
      WINPR_ATTR_NODISCARD FREERDP_API BOOL
          nsc_decompose_message(NSC_CONTEXT* WINPR_RESTRICT context, wStream* WINPR_RESTRICT s,
                                BYTE* WINPR_RESTRICT bmpdata, UINT32 x, UINT32 y, UINT32 width,
                                UINT32 height, UINT32 rowstride, UINT32 format, UINT32 flip));
#endif
 
  WINPR_ATTR_NODISCARD
  FREERDP_API BOOL nsc_context_reset(NSC_CONTEXT* WINPR_RESTRICT context, UINT32 width,
                                     UINT32 height);
 
  FREERDP_API void nsc_context_free(NSC_CONTEXT* context);
 
  WINPR_ATTR_MALLOC(nsc_context_free, 1)
  WINPR_ATTR_NODISCARD
  FREERDP_API NSC_CONTEXT* nsc_context_new(void);
 
#ifdef __cplusplus
}
#endif
 
#endif /* FREERDP_CODEC_NSCODEC_H */