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FreeRDP/libfreerdp/codec/interleaved.c

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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Interleaved RLE Bitmap Codec
*
* Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
* Copyright 2015 Thincast Technologies GmbH
* Copyright 2015 DI (FH) Martin Haimberger <martin.haimberger@thincast.com>
* Copyright 2016 Armin Novak <armin.novak@thincast.com>
* Copyright 2016 Thincast Technologies GmbH
*
* 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.
*/
#include <winpr/assert.h>
#include <freerdp/config.h>
#include <freerdp/codec/interleaved.h>
#include <freerdp/log.h>
#define TAG FREERDP_TAG("codec")
#define UNROLL_BODY(_exp, _count) \
do \
{ \
for (size_t x = 0; x < (_count); x++) \
{ \
do \
{ \
_exp \
} while (FALSE); \
} \
} while (FALSE)
#define UNROLL_MULTIPLE(_condition, _exp, _count) \
do \
{ \
while ((_condition) >= (_count)) \
{ \
UNROLL_BODY(_exp, _count); \
(_condition) -= (_count); \
} \
} while (FALSE)
#define UNROLL(_condition, _exp) \
do \
{ \
UNROLL_MULTIPLE(_condition, _exp, 16); \
UNROLL_MULTIPLE(_condition, _exp, 4); \
UNROLL_MULTIPLE(_condition, _exp, 1); \
} while (FALSE)
/*
RLE Compressed Bitmap Stream (RLE_BITMAP_STREAM)
http://msdn.microsoft.com/en-us/library/cc240895%28v=prot.10%29.aspx
pseudo-code
http://msdn.microsoft.com/en-us/library/dd240593%28v=prot.10%29.aspx
*/
#define REGULAR_BG_RUN 0x00
#define MEGA_MEGA_BG_RUN 0xF0
#define REGULAR_FG_RUN 0x01
#define MEGA_MEGA_FG_RUN 0xF1
#define LITE_SET_FG_FG_RUN 0x0C
#define MEGA_MEGA_SET_FG_RUN 0xF6
#define LITE_DITHERED_RUN 0x0E
#define MEGA_MEGA_DITHERED_RUN 0xF8
#define REGULAR_COLOR_RUN 0x03
#define MEGA_MEGA_COLOR_RUN 0xF3
#define REGULAR_FGBG_IMAGE 0x02
#define MEGA_MEGA_FGBG_IMAGE 0xF2
#define LITE_SET_FG_FGBG_IMAGE 0x0D
#define MEGA_MEGA_SET_FGBG_IMAGE 0xF7
#define REGULAR_COLOR_IMAGE 0x04
#define MEGA_MEGA_COLOR_IMAGE 0xF4
#define SPECIAL_FGBG_1 0xF9
#define SPECIAL_FGBG_2 0xFA
#define SPECIAL_WHITE 0xFD
#define SPECIAL_BLACK 0xFE
#define BLACK_PIXEL 0x000000
typedef UINT32 PIXEL;
static const BYTE g_MaskSpecialFgBg1 = 0x03;
static const BYTE g_MaskSpecialFgBg2 = 0x05;
static const BYTE g_MaskRegularRunLength = 0x1F;
static const BYTE g_MaskLiteRunLength = 0x0F;
static const char* rle_code_str(UINT32 code)
{
switch (code)
{
case REGULAR_BG_RUN:
return "REGULAR_BG_RUN";
case MEGA_MEGA_BG_RUN:
return "MEGA_MEGA_BG_RUN";
case REGULAR_FG_RUN:
return "REGULAR_FG_RUN";
case MEGA_MEGA_FG_RUN:
return "MEGA_MEGA_FG_RUN";
case LITE_SET_FG_FG_RUN:
return "LITE_SET_FG_FG_RUN";
case MEGA_MEGA_SET_FG_RUN:
return "MEGA_MEGA_SET_FG_RUN";
case LITE_DITHERED_RUN:
return "LITE_DITHERED_RUN";
case MEGA_MEGA_DITHERED_RUN:
return "MEGA_MEGA_DITHERED_RUN";
case REGULAR_COLOR_RUN:
return "REGULAR_COLOR_RUN";
case MEGA_MEGA_COLOR_RUN:
return "MEGA_MEGA_COLOR_RUN";
case REGULAR_FGBG_IMAGE:
return "REGULAR_FGBG_IMAGE";
case MEGA_MEGA_FGBG_IMAGE:
return "MEGA_MEGA_FGBG_IMAGE";
case LITE_SET_FG_FGBG_IMAGE:
return "LITE_SET_FG_FGBG_IMAGE";
case MEGA_MEGA_SET_FGBG_IMAGE:
return "MEGA_MEGA_SET_FGBG_IMAGE";
case REGULAR_COLOR_IMAGE:
return "REGULAR_COLOR_IMAGE";
case MEGA_MEGA_COLOR_IMAGE:
return "MEGA_MEGA_COLOR_IMAGE";
case SPECIAL_FGBG_1:
return "SPECIAL_FGBG_1";
case SPECIAL_FGBG_2:
return "SPECIAL_FGBG_2";
case SPECIAL_WHITE:
return "SPECIAL_WHITE";
case SPECIAL_BLACK:
return "SPECIAL_BLACK";
default:
return "UNKNOWN";
}
}
static const char* rle_code_str_buffer(UINT32 code, char* buffer, size_t size)
{
const char* str = rle_code_str(code);
(void)_snprintf(buffer, size, "%s [0x%08" PRIx32 "]", str, code);
return buffer;
}
#define buffer_within_range(pbSrc, size, pbEnd) \
buffer_within_range_((pbSrc), (size), (pbEnd), __func__, __FILE__, __LINE__)
static INLINE BOOL buffer_within_range_(const void* pbSrc, size_t size, const void* pbEnd,
const char* fkt, const char* file, size_t line)
{
WINPR_UNUSED(file);
WINPR_ASSERT(pbSrc);
WINPR_ASSERT(pbEnd);
if ((const char*)pbSrc + size > (const char*)pbEnd)
{
WLog_ERR(TAG, "[%s:%" PRIuz "] pbSrc=%p + %" PRIuz " > pbEnd=%p", fkt, line, pbSrc, size,
pbEnd);
return FALSE;
}
return TRUE;
}
/**
* Reads the supplied order header and extracts the compression
* order code ID.
*/
static INLINE UINT32 ExtractCodeId(BYTE bOrderHdr)
{
if ((bOrderHdr & 0xC0U) != 0xC0U)
{
/* REGULAR orders
* (000x xxxx, 001x xxxx, 010x xxxx, 011x xxxx, 100x xxxx)
*/
return bOrderHdr >> 5;
}
else if ((bOrderHdr & 0xF0U) == 0xF0U)
{
/* MEGA and SPECIAL orders (0xF*) */
return bOrderHdr;
}
else
{
/* LITE orders
* 1100 xxxx, 1101 xxxx, 1110 xxxx)
*/
return bOrderHdr >> 4;
}
}
/**
* Extract the run length of a compression order.
*/
static UINT ExtractRunLengthRegularFgBg(const BYTE* pbOrderHdr, const BYTE* pbEnd, UINT32* advance)
{
UINT runLength = 0;
WINPR_ASSERT(pbOrderHdr);
WINPR_ASSERT(pbEnd);
WINPR_ASSERT(advance);
runLength = (*pbOrderHdr) & g_MaskRegularRunLength;
if (runLength == 0)
{
if (!buffer_within_range(pbOrderHdr, 2, pbEnd))
{
*advance = 0;
return 0;
}
runLength = *(pbOrderHdr + 1) + 1;
(*advance)++;
}
else
runLength = runLength * 8;
return runLength;
}
static UINT ExtractRunLengthLiteFgBg(const BYTE* pbOrderHdr, const BYTE* pbEnd, UINT32* advance)
{
UINT runLength = 0;
WINPR_ASSERT(pbOrderHdr);
WINPR_ASSERT(pbEnd);
WINPR_ASSERT(advance);
runLength = *pbOrderHdr & g_MaskLiteRunLength;
if (runLength == 0)
{
if (!buffer_within_range(pbOrderHdr, 2, pbEnd))
{
*advance = 0;
return 0;
}
runLength = *(pbOrderHdr + 1) + 1;
(*advance)++;
}
else
runLength = runLength * 8;
return runLength;
}
static UINT ExtractRunLengthRegular(const BYTE* pbOrderHdr, const BYTE* pbEnd, UINT32* advance)
{
UINT runLength = 0;
WINPR_ASSERT(pbOrderHdr);
WINPR_ASSERT(pbEnd);
WINPR_ASSERT(advance);
runLength = *pbOrderHdr & g_MaskRegularRunLength;
if (runLength == 0)
{
if (!buffer_within_range(pbOrderHdr, 2, pbEnd))
{
*advance = 0;
return 0;
}
runLength = *(pbOrderHdr + 1) + 32;
(*advance)++;
}
return runLength;
}
static UINT ExtractRunLengthMegaMega(const BYTE* pbOrderHdr, const BYTE* pbEnd, UINT32* advance)
{
UINT runLength = 0;
WINPR_ASSERT(pbOrderHdr);
WINPR_ASSERT(pbEnd);
WINPR_ASSERT(advance);
if (!buffer_within_range(pbOrderHdr, 3, pbEnd))
{
*advance = 0;
return 0;
}
runLength = ((UINT16)pbOrderHdr[1]) | (((UINT16)pbOrderHdr[2]) << 8);
(*advance) += 2;
return runLength;
}
static UINT ExtractRunLengthLite(const BYTE* pbOrderHdr, const BYTE* pbEnd, UINT32* advance)
{
UINT runLength = 0;
WINPR_ASSERT(pbOrderHdr);
WINPR_ASSERT(pbEnd);
WINPR_ASSERT(advance);
runLength = *pbOrderHdr & g_MaskLiteRunLength;
if (runLength == 0)
{
if (!buffer_within_range(pbOrderHdr, 2, pbEnd))
{
*advance = 0;
return 0;
}
runLength = *(pbOrderHdr + 1) + 16;
(*advance)++;
}
return runLength;
}
static INLINE UINT32 ExtractRunLength(UINT32 code, const BYTE* pbOrderHdr, const BYTE* pbEnd,
UINT32* advance)
{
UINT32 runLength = 0;
UINT32 ladvance = 1;
WINPR_ASSERT(pbOrderHdr);
WINPR_ASSERT(pbEnd);
WINPR_ASSERT(advance);
*advance = 0;
if (!buffer_within_range(pbOrderHdr, 0, pbEnd))
return 0;
switch (code)
{
case REGULAR_FGBG_IMAGE:
runLength = ExtractRunLengthRegularFgBg(pbOrderHdr, pbEnd, &ladvance);
break;
case LITE_SET_FG_FGBG_IMAGE:
runLength = ExtractRunLengthLiteFgBg(pbOrderHdr, pbEnd, &ladvance);
break;
case REGULAR_BG_RUN:
case REGULAR_FG_RUN:
case REGULAR_COLOR_RUN:
case REGULAR_COLOR_IMAGE:
runLength = ExtractRunLengthRegular(pbOrderHdr, pbEnd, &ladvance);
break;
case LITE_SET_FG_FG_RUN:
case LITE_DITHERED_RUN:
runLength = ExtractRunLengthLite(pbOrderHdr, pbEnd, &ladvance);
break;
case MEGA_MEGA_BG_RUN:
case MEGA_MEGA_FG_RUN:
case MEGA_MEGA_SET_FG_RUN:
case MEGA_MEGA_DITHERED_RUN:
case MEGA_MEGA_COLOR_RUN:
case MEGA_MEGA_FGBG_IMAGE:
case MEGA_MEGA_SET_FGBG_IMAGE:
case MEGA_MEGA_COLOR_IMAGE:
runLength = ExtractRunLengthMegaMega(pbOrderHdr, pbEnd, &ladvance);
break;
default:
runLength = 0;
ladvance = 0;
break;
}
*advance = ladvance;
return runLength;
}
#define ensure_capacity(start, end, size, base) \
ensure_capacity_((start), (end), (size), (base), __func__, __FILE__, __LINE__)
static INLINE BOOL ensure_capacity_(const BYTE* start, const BYTE* end, size_t size, size_t base,
const char* fkt, const char* file, size_t line)
{
const size_t available = (uintptr_t)end - (uintptr_t)start;
const BOOL rc = available >= size * base;
const BOOL res = rc && (start <= end);
if (!res)
WLog_ERR(TAG,
"[%s:%" PRIuz "] failed: start=%p <= end=%p, available=%" PRIuz " >= size=%" PRIuz
" * base=%" PRIuz,
fkt, line, start, end, available, size, base);
return res;
}
static INLINE void write_pixel_8(BYTE* _buf, BYTE _pix)
{
WINPR_ASSERT(_buf);
*_buf = _pix;
}
static INLINE void write_pixel_24(BYTE* _buf, UINT32 _pix)
{
WINPR_ASSERT(_buf);
(_buf)[0] = (BYTE)(_pix);
(_buf)[1] = (BYTE)((_pix) >> 8);
(_buf)[2] = (BYTE)((_pix) >> 16);
}
static INLINE void write_pixel_16(BYTE* _buf, UINT16 _pix)
{
WINPR_ASSERT(_buf);
_buf[0] = _pix & 0xFF;
_buf[1] = (_pix >> 8) & 0xFF;
}
#undef DESTWRITEPIXEL
#undef DESTREADPIXEL
#undef SRCREADPIXEL
#undef WRITEFGBGIMAGE
#undef WRITEFIRSTLINEFGBGIMAGE
#undef RLEDECOMPRESS
#undef RLEEXTRA
#undef WHITE_PIXEL
#undef PIXEL_SIZE
#undef PIXEL
#define PIXEL_SIZE 1
#define PIXEL BYTE
#define WHITE_PIXEL 0xFF
#define DESTWRITEPIXEL(_buf, _pix) \
do \
{ \
write_pixel_8(_buf, _pix); \
(_buf) += 1; \
} while (0)
#define DESTREADPIXEL(_pix, _buf) _pix = (_buf)[0]
#define SRCREADPIXEL(_pix, _buf) \
do \
{ \
(_pix) = (_buf)[0]; \
(_buf) += 1; \
} while (0)
#define WRITEFGBGIMAGE WriteFgBgImage8to8
#define WRITEFIRSTLINEFGBGIMAGE WriteFirstLineFgBgImage8to8
#define RLEDECOMPRESS RleDecompress8to8
#define RLEEXTRA
#undef ENSURE_CAPACITY
#define ENSURE_CAPACITY(_start, _end, _size) ensure_capacity(_start, _end, _size, 1)
#include "include/bitmap.h"
#undef DESTWRITEPIXEL
#undef DESTREADPIXEL
#undef SRCREADPIXEL
#undef WRITEFGBGIMAGE
#undef WRITEFIRSTLINEFGBGIMAGE
#undef RLEDECOMPRESS
#undef RLEEXTRA
#undef WHITE_PIXEL
#undef PIXEL_SIZE
#undef PIXEL
#define PIXEL_SIZE 2
#define PIXEL UINT16
#define WHITE_PIXEL 0xFFFF
#define DESTWRITEPIXEL(_buf, _pix) \
do \
{ \
write_pixel_16(_buf, _pix); \
(_buf) += 2; \
} while (0)
#define DESTREADPIXEL(_pix, _buf) _pix = ((UINT16*)(_buf))[0]
#define SRCREADPIXEL(_pix, _buf) \
do \
{ \
(_pix) = (_buf)[0] | ((_buf)[1] << 8); \
(_buf) += 2; \
} while (0)
#define WRITEFGBGIMAGE WriteFgBgImage16to16
#define WRITEFIRSTLINEFGBGIMAGE WriteFirstLineFgBgImage16to16
#define RLEDECOMPRESS RleDecompress16to16
#define RLEEXTRA
#undef ENSURE_CAPACITY
#define ENSURE_CAPACITY(_start, _end, _size) ensure_capacity(_start, _end, _size, 2)
#include "include/bitmap.h"
#undef DESTWRITEPIXEL
#undef DESTREADPIXEL
#undef SRCREADPIXEL
#undef WRITEFGBGIMAGE
#undef WRITEFIRSTLINEFGBGIMAGE
#undef RLEDECOMPRESS
#undef RLEEXTRA
#undef WHITE_PIXEL
#undef PIXEL_SIZE
#undef PIXEL
#define PIXEL_SIZE 3
#define PIXEL UINT32
#define WHITE_PIXEL 0xffffff
#define DESTWRITEPIXEL(_buf, _pix) \
do \
{ \
write_pixel_24(_buf, _pix); \
(_buf) += 3; \
} while (0)
#define DESTREADPIXEL(_pix, _buf) _pix = (_buf)[0] | ((_buf)[1] << 8) | ((_buf)[2] << 16)
#define SRCREADPIXEL(_pix, _buf) \
do \
{ \
(_pix) = (_buf)[0] | ((_buf)[1] << 8) | ((_buf)[2] << 16); \
(_buf) += 3; \
} while (0)
#define WRITEFGBGIMAGE WriteFgBgImage24to24
#define WRITEFIRSTLINEFGBGIMAGE WriteFirstLineFgBgImage24to24
#define RLEDECOMPRESS RleDecompress24to24
#define RLEEXTRA
#undef ENSURE_CAPACITY
#define ENSURE_CAPACITY(_start, _end, _size) ensure_capacity(_start, _end, _size, 3)
#include "include/bitmap.h"
struct S_BITMAP_INTERLEAVED_CONTEXT
{
BOOL Compressor;
UINT32 TempSize;
BYTE* TempBuffer;
wStream* bts;
};
BOOL interleaved_decompress(BITMAP_INTERLEAVED_CONTEXT* WINPR_RESTRICT interleaved,
const BYTE* WINPR_RESTRICT pSrcData, UINT32 SrcSize, UINT32 nSrcWidth,
UINT32 nSrcHeight, UINT32 bpp, BYTE* WINPR_RESTRICT pDstData,
UINT32 DstFormat, UINT32 nDstStep, UINT32 nXDst, UINT32 nYDst,
UINT32 nDstWidth, UINT32 nDstHeight,
const gdiPalette* WINPR_RESTRICT palette)
{
UINT32 scanline = 0;
UINT32 SrcFormat = 0;
UINT32 BufferSize = 0;
if (!interleaved || !pSrcData || !pDstData)
{
WLog_ERR(TAG, "invalid arguments: interleaved=%p, pSrcData=%p, pDstData=%p", interleaved,
pSrcData, pDstData);
return FALSE;
}
switch (bpp)
{
case 24:
scanline = nSrcWidth * 3;
SrcFormat = PIXEL_FORMAT_BGR24;
break;
case 16:
scanline = nSrcWidth * 2;
SrcFormat = PIXEL_FORMAT_RGB16;
break;
case 15:
scanline = nSrcWidth * 2;
SrcFormat = PIXEL_FORMAT_RGB15;
break;
case 8:
scanline = nSrcWidth;
SrcFormat = PIXEL_FORMAT_RGB8;
break;
default:
WLog_ERR(TAG, "Invalid color depth %" PRIu32 "", bpp);
return FALSE;
}
BufferSize = scanline * nSrcHeight;
if (BufferSize > interleaved->TempSize)
{
interleaved->TempBuffer =
winpr_aligned_recalloc(interleaved->TempBuffer, BufferSize, sizeof(BYTE), 16);
interleaved->TempSize = BufferSize;
}
if (!interleaved->TempBuffer)
{
WLog_ERR(TAG, "interleaved->TempBuffer=%p", interleaved->TempBuffer);
return FALSE;
}
switch (bpp)
{
case 24:
if (!RleDecompress24to24(pSrcData, SrcSize, interleaved->TempBuffer, scanline,
nSrcWidth, nSrcHeight))
{
WLog_ERR(TAG, "RleDecompress24to24 failed");
return FALSE;
}
break;
case 16:
case 15:
if (!RleDecompress16to16(pSrcData, SrcSize, interleaved->TempBuffer, scanline,
nSrcWidth, nSrcHeight))
{
WLog_ERR(TAG, "RleDecompress16to16 failed");
return FALSE;
}
break;
case 8:
if (!RleDecompress8to8(pSrcData, SrcSize, interleaved->TempBuffer, scanline, nSrcWidth,
nSrcHeight))
{
WLog_ERR(TAG, "RleDecompress8to8 failed");
return FALSE;
}
break;
default:
WLog_ERR(TAG, "Invalid color depth %" PRIu32 "", bpp);
return FALSE;
}
if (!freerdp_image_copy_no_overlap(pDstData, DstFormat, nDstStep, nXDst, nYDst, nDstWidth,
nDstHeight, interleaved->TempBuffer, SrcFormat, scanline, 0,
0, palette, FREERDP_FLIP_VERTICAL | FREERDP_KEEP_DST_ALPHA))
{
WLog_ERR(TAG, "freerdp_image_copy failed");
return FALSE;
}
return TRUE;
}
BOOL interleaved_compress(BITMAP_INTERLEAVED_CONTEXT* WINPR_RESTRICT interleaved,
BYTE* WINPR_RESTRICT pDstData, UINT32* WINPR_RESTRICT pDstSize,
UINT32 nWidth, UINT32 nHeight, const BYTE* WINPR_RESTRICT pSrcData,
UINT32 SrcFormat, UINT32 nSrcStep, UINT32 nXSrc, UINT32 nYSrc,
const gdiPalette* WINPR_RESTRICT palette, UINT32 bpp)
{
BOOL status = 0;
wStream* s = NULL;
UINT32 DstFormat = 0;
const UINT32 maxSize = 64 * 64 * 4;
if (!interleaved || !pDstData || !pSrcData)
return FALSE;
if ((nWidth == 0) || (nHeight == 0))
return FALSE;
if (nWidth % 4)
{
WLog_ERR(TAG, "interleaved_compress: width is not a multiple of 4");
return FALSE;
}
if ((nWidth > 64) || (nHeight > 64))
{
WLog_ERR(TAG,
"interleaved_compress: width (%" PRIu32 ") or height (%" PRIu32
") is greater than 64",
nWidth, nHeight);
return FALSE;
}
switch (bpp)
{
case 24:
DstFormat = PIXEL_FORMAT_BGRX32;
break;
case 16:
DstFormat = PIXEL_FORMAT_RGB16;
break;
case 15:
DstFormat = PIXEL_FORMAT_RGB15;
break;
default:
return FALSE;
}
if (!freerdp_image_copy_no_overlap(interleaved->TempBuffer, DstFormat, 0, 0, 0, nWidth, nHeight,
pSrcData, SrcFormat, nSrcStep, nXSrc, nYSrc, palette,
FREERDP_KEEP_DST_ALPHA))
return FALSE;
s = Stream_New(pDstData, *pDstSize);
if (!s)
return FALSE;
Stream_SetPosition(interleaved->bts, 0);
if (freerdp_bitmap_compress(interleaved->TempBuffer, nWidth, nHeight, s, bpp, maxSize,
nHeight - 1, interleaved->bts, 0) < 0)
status = FALSE;
else
status = TRUE;
Stream_SealLength(s);
*pDstSize = (UINT32)Stream_Length(s);
Stream_Free(s, FALSE);
return status;
}
BOOL bitmap_interleaved_context_reset(BITMAP_INTERLEAVED_CONTEXT* WINPR_RESTRICT interleaved)
{
if (!interleaved)
return FALSE;
return TRUE;
}
BITMAP_INTERLEAVED_CONTEXT* bitmap_interleaved_context_new(BOOL Compressor)
{
BITMAP_INTERLEAVED_CONTEXT* interleaved = NULL;
interleaved = (BITMAP_INTERLEAVED_CONTEXT*)winpr_aligned_recalloc(
NULL, 1, sizeof(BITMAP_INTERLEAVED_CONTEXT), 32);
if (interleaved)
{
interleaved->TempSize = 64 * 64 * 4;
interleaved->TempBuffer = winpr_aligned_calloc(interleaved->TempSize, sizeof(BYTE), 16);
if (!interleaved->TempBuffer)
goto fail;
interleaved->bts = Stream_New(NULL, interleaved->TempSize);
if (!interleaved->bts)
goto fail;
}
return interleaved;
fail:
WINPR_PRAGMA_DIAG_PUSH
WINPR_PRAGMA_DIAG_IGNORED_MISMATCHED_DEALLOC
bitmap_interleaved_context_free(interleaved);
WINPR_PRAGMA_DIAG_POP
return NULL;
}
void bitmap_interleaved_context_free(BITMAP_INTERLEAVED_CONTEXT* WINPR_RESTRICT interleaved)
{
if (!interleaved)
return;
winpr_aligned_free(interleaved->TempBuffer);
Stream_Free(interleaved->bts, TRUE);
winpr_aligned_free(interleaved);
}
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