/**

 * FreeRDP: A Remote Desktop Protocol Implementation

 * RemoteFX Codec Library - Differential Encoding

 *

 * Copyright 2011 Vic Lee

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#ifndef FREERDP_LIB_CODEC_RFX_DIFFERENTIAL_H

#define FREERDP_LIB_CODEC_RFX_DIFFERENTIAL_H

#include <freerdp/codec/rfx.h>

#include <freerdp/api.h>

static INLINE void rfx_differential_decode(INT16* WINPR_RESTRICT buffer, size_t size)

{

  INT16* ptr = buffer;

  INT16* end = &buffer[size - 1];

  while (ptr != end)

  {

    ptr[1] += ptr[0];

    ptr++;

  }

}

Unexecuted instantiation: progressive.c:rfx_differential_decode

Unexecuted instantiation: rfx_decode.c:rfx_differential_decode

Unexecuted instantiation: rfx_encode.c:rfx_differential_decode

static INLINE void rfx_differential_encode(INT16* WINPR_RESTRICT buffer, size_t size)

{

  INT16 n1 = buffer[0];

  for (size_t x = 0; x < size - 1; x++)

  {

    INT16* dst = &buffer[x + 1];

    const INT16 n2 = *dst;

    *dst -= n1;

    n1 = n2;

  }

}

Unexecuted instantiation: progressive.c:rfx_differential_encode

Unexecuted instantiation: rfx_decode.c:rfx_differential_encode

Unexecuted instantiation: rfx_encode.c:rfx_differential_encode

#endif /* FREERDP_LIB_CODEC_RFX_DIFFERENTIAL_H */