/src/FreeRDP/libfreerdp/codec/rfx_encode.c

Source (jump to first uncovered line)
/**
 * FreeRDP: A Remote Desktop Protocol Implementation
 * RemoteFX Codec Library - Encode
 *
 * Copyright 2011 Vic Lee
 * Copyright 2011 Norbert Federa <norbert.federa@thincast.com>
 *
 * 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 <freerdp/config.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <winpr/crt.h>
#include <winpr/collections.h>

#include <freerdp/primitives.h>

#include "rfx_types.h"
#include "rfx_rlgr.h"
#include "rfx_differential.h"
#include "rfx_quantization.h"
#include "rfx_dwt.h"

#include "rfx_encode.h"

#define MINMAX(_v, _l, _h) ((_v) < (_l) ? (_l) : ((_v) > (_h) ? (_h) : (_v)))

static void rfx_encode_format_rgb(const BYTE* rgb_data, int width, int height, int rowstride,
                                  UINT32 pixel_format, const BYTE* palette, INT16* r_buf,
                                  INT16* g_buf, INT16* b_buf)
{
  int x_exceed = 0;
  int y_exceed = 0;
  const BYTE* src = NULL;
  INT16 r = 0;
  INT16 g = 0;
  INT16 b = 0;
  INT16* r_last = NULL;
  INT16* g_last = NULL;
  INT16* b_last = NULL;
  x_exceed = 64 - width;
  y_exceed = 64 - height;

  for (int y = 0; y < height; y++)
  {
    src = rgb_data + y * rowstride;

    switch (pixel_format)
    {
      case PIXEL_FORMAT_BGRX32:
      case PIXEL_FORMAT_BGRA32:
        for (int x = 0; x < width; x++)
        {
          *b_buf++ = (INT16)(*src++);
          *g_buf++ = (INT16)(*src++);
          *r_buf++ = (INT16)(*src++);
          src++;
        }

        break;

      case PIXEL_FORMAT_XBGR32:
      case PIXEL_FORMAT_ABGR32:
        for (int x = 0; x < width; x++)
        {
          src++;
          *b_buf++ = (INT16)(*src++);
          *g_buf++ = (INT16)(*src++);
          *r_buf++ = (INT16)(*src++);
        }

        break;

      case PIXEL_FORMAT_RGBX32:
      case PIXEL_FORMAT_RGBA32:
        for (int x = 0; x < width; x++)
        {
          *r_buf++ = (INT16)(*src++);
          *g_buf++ = (INT16)(*src++);
          *b_buf++ = (INT16)(*src++);
          src++;
        }

        break;

      case PIXEL_FORMAT_XRGB32:
      case PIXEL_FORMAT_ARGB32:
        for (int x = 0; x < width; x++)
        {
          src++;
          *r_buf++ = (INT16)(*src++);
          *g_buf++ = (INT16)(*src++);
          *b_buf++ = (INT16)(*src++);
        }

        break;

      case PIXEL_FORMAT_BGR24:
        for (int x = 0; x < width; x++)
        {
          *b_buf++ = (INT16)(*src++);
          *g_buf++ = (INT16)(*src++);
          *r_buf++ = (INT16)(*src++);
        }

        break;

      case PIXEL_FORMAT_RGB24:
        for (int x = 0; x < width; x++)
        {
          *r_buf++ = (INT16)(*src++);
          *g_buf++ = (INT16)(*src++);
          *b_buf++ = (INT16)(*src++);
        }

        break;

      case PIXEL_FORMAT_BGR16:
        for (int x = 0; x < width; x++)
        {
          *b_buf++ = (INT16)(((*(src + 1)) & 0xF8) | ((*(src + 1)) >> 5));
          *g_buf++ = (INT16)((((*(src + 1)) & 0x07) << 5) | (((*src) & 0xE0) >> 3));
          *r_buf++ = (INT16)((((*src) & 0x1F) << 3) | (((*src) >> 2) & 0x07));
          src += 2;
        }

        break;

      case PIXEL_FORMAT_RGB16:
        for (int x = 0; x < width; x++)
        {
          *r_buf++ = (INT16)(((*(src + 1)) & 0xF8) | ((*(src + 1)) >> 5));
          *g_buf++ = (INT16)((((*(src + 1)) & 0x07) << 5) | (((*src) & 0xE0) >> 3));
          *b_buf++ = (INT16)((((*src) & 0x1F) << 3) | (((*src) >> 2) & 0x07));
          src += 2;
        }

        break;

      case PIXEL_FORMAT_RGB8:
        if (!palette)
          break;

        for (int x = 0; x < width; x++)
        {
          int shift = 0;
          BYTE idx = 0;
          shift = (7 - (x % 8));
          idx = ((*src) >> shift) & 1;
          idx |= (((*(src + 1)) >> shift) & 1) << 1;
          idx |= (((*(src + 2)) >> shift) & 1) << 2;
          idx |= (((*(src + 3)) >> shift) & 1) << 3;
          idx *= 3;
          *r_buf++ = (INT16)palette[idx];
          *g_buf++ = (INT16)palette[idx + 1];
          *b_buf++ = (INT16)palette[idx + 2];

          if (shift == 0)
            src += 4;
        }

        break;

      case PIXEL_FORMAT_A4:
        if (!palette)
          break;

        for (int x = 0; x < width; x++)
        {
          int idx = (*src) * 3;
          *r_buf++ = (INT16)palette[idx];
          *g_buf++ = (INT16)palette[idx + 1];
          *b_buf++ = (INT16)palette[idx + 2];
          src++;
        }

        break;

      default:
        break;
    }

    /* Fill the horizontal region outside of 64x64 tile size with the right-most pixel for best
     * quality */
    if (x_exceed > 0)
    {
      r = *(r_buf - 1);
      g = *(g_buf - 1);
      b = *(b_buf - 1);

      for (int x = 0; x < x_exceed; x++)
      {
        *r_buf++ = r;
        *g_buf++ = g;
        *b_buf++ = b;
      }
    }
  }

  /* Fill the vertical region outside of 64x64 tile size with the last line. */
  if (y_exceed > 0)
  {
    r_last = r_buf - 64;
    g_last = g_buf - 64;
    b_last = b_buf - 64;

    while (y_exceed > 0)
    {
      CopyMemory(r_buf, r_last, 64 * sizeof(INT16));
      CopyMemory(g_buf, g_last, 64 * sizeof(INT16));
      CopyMemory(b_buf, b_last, 64 * sizeof(INT16));
      r_buf += 64;
      g_buf += 64;
      b_buf += 64;
      y_exceed--;
    }
  }
}

/* rfx_encode_rgb_to_ycbcr code now resides in the primitives library. */

static void rfx_encode_component(RFX_CONTEXT* context, const UINT32* quantization_values,
                                 INT16* data, BYTE* buffer, int buffer_size, int* size)
{
  INT16* dwt_buffer = NULL;
  dwt_buffer = BufferPool_Take(context->priv->BufferPool, -1); /* dwt_buffer */
  PROFILER_ENTER(context->priv->prof_rfx_encode_component)
  PROFILER_ENTER(context->priv->prof_rfx_dwt_2d_encode)
  context->dwt_2d_encode(data, dwt_buffer);
  PROFILER_EXIT(context->priv->prof_rfx_dwt_2d_encode)
  PROFILER_ENTER(context->priv->prof_rfx_quantization_encode)
  context->quantization_encode(data, quantization_values);
  PROFILER_EXIT(context->priv->prof_rfx_quantization_encode)
  PROFILER_ENTER(context->priv->prof_rfx_differential_encode)
  rfx_differential_encode(data + 4032, 64);
  PROFILER_EXIT(context->priv->prof_rfx_differential_encode)
  PROFILER_ENTER(context->priv->prof_rfx_rlgr_encode)
  *size = context->rlgr_encode(context->mode, data, 4096, buffer, buffer_size);
  PROFILER_EXIT(context->priv->prof_rfx_rlgr_encode)
  PROFILER_EXIT(context->priv->prof_rfx_encode_component)
  BufferPool_Return(context->priv->BufferPool, dwt_buffer);
}

void rfx_encode_rgb(RFX_CONTEXT* context, RFX_TILE* tile)
{
  union
  {
    const INT16** cpv;
    INT16** pv;
  } cnv;
  BYTE* pBuffer = NULL;
  INT16* pSrcDst[3];
  int YLen = 0;
  int CbLen = 0;
  int CrLen = 0;
  UINT32* YQuant = NULL;
  UINT32* CbQuant = NULL;
  UINT32* CrQuant = NULL;
  primitives_t* prims = primitives_get();
  static const prim_size_t roi_64x64 = { 64, 64 };

  if (!(pBuffer = (BYTE*)BufferPool_Take(context->priv->BufferPool, -1)))
    return;

  YLen = CbLen = CrLen = 0;
  YQuant = context->quants + (tile->quantIdxY * 10);
  CbQuant = context->quants + (tile->quantIdxCb * 10);
  CrQuant = context->quants + (tile->quantIdxCr * 10);
  pSrcDst[0] = (INT16*)((BYTE*)(&pBuffer[((8192 + 32) * 0) + 16])); /* y_r_buffer */
  pSrcDst[1] = (INT16*)((BYTE*)(&pBuffer[((8192 + 32) * 1) + 16])); /* cb_g_buffer */
  pSrcDst[2] = (INT16*)((BYTE*)(&pBuffer[((8192 + 32) * 2) + 16])); /* cr_b_buffer */
  PROFILER_ENTER(context->priv->prof_rfx_encode_rgb)
  PROFILER_ENTER(context->priv->prof_rfx_encode_format_rgb)
  rfx_encode_format_rgb(tile->data, tile->width, tile->height, tile->scanline,
                        context->pixel_format, context->palette, pSrcDst[0], pSrcDst[1],
                        pSrcDst[2]);
  PROFILER_EXIT(context->priv->prof_rfx_encode_format_rgb)
  PROFILER_ENTER(context->priv->prof_rfx_rgb_to_ycbcr)

  cnv.pv = pSrcDst;
  prims->RGBToYCbCr_16s16s_P3P3(cnv.cpv, 64 * sizeof(INT16), pSrcDst, 64 * sizeof(INT16),
                                &roi_64x64);
  PROFILER_EXIT(context->priv->prof_rfx_rgb_to_ycbcr)
  /**
   * We need to clear the buffers as the RLGR encoder expects it to be initialized to zero.
   * This allows simplifying and improving the performance of the encoding process.
   */
  ZeroMemory(tile->YData, 4096);
  ZeroMemory(tile->CbData, 4096);
  ZeroMemory(tile->CrData, 4096);
  rfx_encode_component(context, YQuant, pSrcDst[0], tile->YData, 4096, &YLen);
  rfx_encode_component(context, CbQuant, pSrcDst[1], tile->CbData, 4096, &CbLen);
  rfx_encode_component(context, CrQuant, pSrcDst[2], tile->CrData, 4096, &CrLen);
  tile->YLen = (UINT16)YLen;
  tile->CbLen = (UINT16)CbLen;
  tile->CrLen = (UINT16)CrLen;
  PROFILER_EXIT(context->priv->prof_rfx_encode_rgb)
  BufferPool_Return(context->priv->BufferPool, pBuffer);
}

Coverage Report

Created: 2024-05-20 06:11

Line	Count	Source (jump to first uncovered line)
1		/**
2		* FreeRDP: A Remote Desktop Protocol Implementation
3		* RemoteFX Codec Library - Encode
4		*
5		* Copyright 2011 Vic Lee
6		* Copyright 2011 Norbert Federa <norbert.federa@thincast.com>
7		*
8		* Licensed under the Apache License, Version 2.0 (the "License");
9		* you may not use this file except in compliance with the License.
10		* You may obtain a copy of the License at
11		*
12		* http://www.apache.org/licenses/LICENSE-2.0
13		*
14		* Unless required by applicable law or agreed to in writing, software
15		* distributed under the License is distributed on an "AS IS" BASIS,
16		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17		* See the License for the specific language governing permissions and
18		* limitations under the License.
19		*/
20
21		#include <freerdp/config.h>
22
23		#include <stdio.h>
24		#include <stdlib.h>
25		#include <string.h>
26
27		#include <winpr/crt.h>
28		#include <winpr/collections.h>
29
30		#include <freerdp/primitives.h>
31
32		#include "rfx_types.h"
33		#include "rfx_rlgr.h"
34		#include "rfx_differential.h"
35		#include "rfx_quantization.h"
36		#include "rfx_dwt.h"
37
38		#include "rfx_encode.h"
39
40		#define MINMAX(_v, _l, _h) ((_v) < (_l) ? (_l) : ((_v) > (_h) ? (_h) : (_v)))
41
42		static void rfx_encode_format_rgb(const BYTE* rgb_data, int width, int height, int rowstride,
43		UINT32 pixel_format, const BYTE* palette, INT16* r_buf,
44		INT16* g_buf, INT16* b_buf)
45	0	{
46	0	int x_exceed = 0;
47	0	int y_exceed = 0;
48	0	const BYTE* src = NULL;
49	0	INT16 r = 0;
50	0	INT16 g = 0;
51	0	INT16 b = 0;
52	0	INT16* r_last = NULL;
53	0	INT16* g_last = NULL;
54	0	INT16* b_last = NULL;
55	0	x_exceed = 64 - width;
56	0	y_exceed = 64 - height;
57
58	0	for (int y = 0; y < height; y++)
59	0	{
60	0	src = rgb_data + y * rowstride;
61
62	0	switch (pixel_format)
63	0	{
64	0	case PIXEL_FORMAT_BGRX32:
65	0	case PIXEL_FORMAT_BGRA32:
66	0	for (int x = 0; x < width; x++)
67	0	{
68	0	b_buf++ = (INT16)(src++);
69	0	g_buf++ = (INT16)(src++);
70	0	r_buf++ = (INT16)(src++);
71	0	src++;
72	0	}
73
74	0	break;
75
76	0	case PIXEL_FORMAT_XBGR32:
77	0	case PIXEL_FORMAT_ABGR32:
78	0	for (int x = 0; x < width; x++)
79	0	{
80	0	src++;
81	0	b_buf++ = (INT16)(src++);
82	0	g_buf++ = (INT16)(src++);
83	0	r_buf++ = (INT16)(src++);
84	0	}
85
86	0	break;
87
88	0	case PIXEL_FORMAT_RGBX32:
89	0	case PIXEL_FORMAT_RGBA32:
90	0	for (int x = 0; x < width; x++)
91	0	{
92	0	r_buf++ = (INT16)(src++);
93	0	g_buf++ = (INT16)(src++);
94	0	b_buf++ = (INT16)(src++);
95	0	src++;
96	0	}
97
98	0	break;
99
100	0	case PIXEL_FORMAT_XRGB32:
101	0	case PIXEL_FORMAT_ARGB32:
102	0	for (int x = 0; x < width; x++)
103	0	{
104	0	src++;
105	0	r_buf++ = (INT16)(src++);
106	0	g_buf++ = (INT16)(src++);
107	0	b_buf++ = (INT16)(src++);
108	0	}
109
110	0	break;
111
112	0	case PIXEL_FORMAT_BGR24:
113	0	for (int x = 0; x < width; x++)
114	0	{
115	0	b_buf++ = (INT16)(src++);
116	0	g_buf++ = (INT16)(src++);
117	0	r_buf++ = (INT16)(src++);
118	0	}
119
120	0	break;
121
122	0	case PIXEL_FORMAT_RGB24:
123	0	for (int x = 0; x < width; x++)
124	0	{
125	0	r_buf++ = (INT16)(src++);
126	0	g_buf++ = (INT16)(src++);
127	0	b_buf++ = (INT16)(src++);
128	0	}
129
130	0	break;
131
132	0	case PIXEL_FORMAT_BGR16:
133	0	for (int x = 0; x < width; x++)
134	0	{
135	0	b_buf++ = (INT16)((((src + 1)) & 0xF8) \| ((*(src + 1)) >> 5));
136	0	g_buf++ = (INT16)(((((src + 1)) & 0x07) << 5) \| (((*src) & 0xE0) >> 3));
137	0	r_buf++ = (INT16)((((src) & 0x1F) << 3) \| (((*src) >> 2) & 0x07));
138	0	src += 2;
139	0	}
140
141	0	break;
142
143	0	case PIXEL_FORMAT_RGB16:
144	0	for (int x = 0; x < width; x++)
145	0	{
146	0	r_buf++ = (INT16)((((src + 1)) & 0xF8) \| ((*(src + 1)) >> 5));
147	0	g_buf++ = (INT16)(((((src + 1)) & 0x07) << 5) \| (((*src) & 0xE0) >> 3));
148	0	b_buf++ = (INT16)((((src) & 0x1F) << 3) \| (((*src) >> 2) & 0x07));
149	0	src += 2;
150	0	}
151
152	0	break;
153
154	0	case PIXEL_FORMAT_RGB8:
155	0	if (!palette)
156	0	break;
157
158	0	for (int x = 0; x < width; x++)
159	0	{
160	0	int shift = 0;
161	0	BYTE idx = 0;
162	0	shift = (7 - (x % 8));
163	0	idx = ((*src) >> shift) & 1;
164	0	idx \|= (((*(src + 1)) >> shift) & 1) << 1;
165	0	idx \|= (((*(src + 2)) >> shift) & 1) << 2;
166	0	idx \|= (((*(src + 3)) >> shift) & 1) << 3;
167	0	idx *= 3;
168	0	*r_buf++ = (INT16)palette[idx];
169	0	*g_buf++ = (INT16)palette[idx + 1];
170	0	*b_buf++ = (INT16)palette[idx + 2];
171
172	0	if (shift == 0)
173	0	src += 4;
174	0	}
175
176	0	break;
177
178	0	case PIXEL_FORMAT_A4:
179	0	if (!palette)
180	0	break;
181
182	0	for (int x = 0; x < width; x++)
183	0	{
184	0	int idx = (src) 3;
185	0	*r_buf++ = (INT16)palette[idx];
186	0	*g_buf++ = (INT16)palette[idx + 1];
187	0	*b_buf++ = (INT16)palette[idx + 2];
188	0	src++;
189	0	}
190
191	0	break;
192
193	0	default:
194	0	break;
195	0	}
196
197		/* Fill the horizontal region outside of 64x64 tile size with the right-most pixel for best
198		* quality */
199	0	if (x_exceed > 0)
200	0	{
201	0	r = *(r_buf - 1);
202	0	g = *(g_buf - 1);
203	0	b = *(b_buf - 1);
204
205	0	for (int x = 0; x < x_exceed; x++)
206	0	{
207	0	*r_buf++ = r;
208	0	*g_buf++ = g;
209	0	*b_buf++ = b;
210	0	}
211	0	}
212	0	}
213
214		/* Fill the vertical region outside of 64x64 tile size with the last line. */
215	0	if (y_exceed > 0)
216	0	{
217	0	r_last = r_buf - 64;
218	0	g_last = g_buf - 64;
219	0	b_last = b_buf - 64;
220
221	0	while (y_exceed > 0)
222	0	{
223	0	CopyMemory(r_buf, r_last, 64 * sizeof(INT16));
224	0	CopyMemory(g_buf, g_last, 64 * sizeof(INT16));
225	0	CopyMemory(b_buf, b_last, 64 * sizeof(INT16));
226	0	r_buf += 64;
227	0	g_buf += 64;
228	0	b_buf += 64;
229	0	y_exceed--;
230	0	}
231	0	}
232	0	}
233
234		/* rfx_encode_rgb_to_ycbcr code now resides in the primitives library. */
235
236		static void rfx_encode_component(RFX_CONTEXT* context, const UINT32* quantization_values,
237		INT16* data, BYTE* buffer, int buffer_size, int* size)
238	0	{
239	0	INT16* dwt_buffer = NULL;
240	0	dwt_buffer = BufferPool_Take(context->priv->BufferPool, -1); /* dwt_buffer */
241	0	PROFILER_ENTER(context->priv->prof_rfx_encode_component)
242	0	PROFILER_ENTER(context->priv->prof_rfx_dwt_2d_encode)
243	0	context->dwt_2d_encode(data, dwt_buffer);
244	0	PROFILER_EXIT(context->priv->prof_rfx_dwt_2d_encode)
245	0	PROFILER_ENTER(context->priv->prof_rfx_quantization_encode)
246	0	context->quantization_encode(data, quantization_values);
247	0	PROFILER_EXIT(context->priv->prof_rfx_quantization_encode)
248	0	PROFILER_ENTER(context->priv->prof_rfx_differential_encode)
249	0	rfx_differential_encode(data + 4032, 64);
250	0	PROFILER_EXIT(context->priv->prof_rfx_differential_encode)
251	0	PROFILER_ENTER(context->priv->prof_rfx_rlgr_encode)
252	0	*size = context->rlgr_encode(context->mode, data, 4096, buffer, buffer_size);
253	0	PROFILER_EXIT(context->priv->prof_rfx_rlgr_encode)
254	0	PROFILER_EXIT(context->priv->prof_rfx_encode_component)
255	0	BufferPool_Return(context->priv->BufferPool, dwt_buffer);
256	0	}
257
258		void rfx_encode_rgb(RFX_CONTEXT* context, RFX_TILE* tile)
259	0	{
260	0	union
261	0	{
262	0	const INT16** cpv;
263	0	INT16** pv;
264	0	} cnv;
265	0	BYTE* pBuffer = NULL;
266	0	INT16* pSrcDst[3];
267	0	int YLen = 0;
268	0	int CbLen = 0;
269	0	int CrLen = 0;
270	0	UINT32* YQuant = NULL;
271	0	UINT32* CbQuant = NULL;
272	0	UINT32* CrQuant = NULL;
273	0	primitives_t* prims = primitives_get();
274	0	static const prim_size_t roi_64x64 = { 64, 64 };
275
276	0	if (!(pBuffer = (BYTE*)BufferPool_Take(context->priv->BufferPool, -1)))
277	0	return;
278
279	0	YLen = CbLen = CrLen = 0;
280	0	YQuant = context->quants + (tile->quantIdxY * 10);
281	0	CbQuant = context->quants + (tile->quantIdxCb * 10);
282	0	CrQuant = context->quants + (tile->quantIdxCr * 10);
283	0	pSrcDst[0] = (INT16)((BYTE)(&pBuffer[((8192 + 32) * 0) + 16])); /* y_r_buffer */
284	0	pSrcDst[1] = (INT16)((BYTE)(&pBuffer[((8192 + 32) * 1) + 16])); /* cb_g_buffer */
285	0	pSrcDst[2] = (INT16)((BYTE)(&pBuffer[((8192 + 32) * 2) + 16])); /* cr_b_buffer */
286	0	PROFILER_ENTER(context->priv->prof_rfx_encode_rgb)
287	0	PROFILER_ENTER(context->priv->prof_rfx_encode_format_rgb)
288	0	rfx_encode_format_rgb(tile->data, tile->width, tile->height, tile->scanline,
289	0	context->pixel_format, context->palette, pSrcDst[0], pSrcDst[1],
290	0	pSrcDst[2]);
291	0	PROFILER_EXIT(context->priv->prof_rfx_encode_format_rgb)
292	0	PROFILER_ENTER(context->priv->prof_rfx_rgb_to_ycbcr)
293
294	0	cnv.pv = pSrcDst;
295	0	prims->RGBToYCbCr_16s16s_P3P3(cnv.cpv, 64 * sizeof(INT16), pSrcDst, 64 * sizeof(INT16),
296	0	&roi_64x64);
297	0	PROFILER_EXIT(context->priv->prof_rfx_rgb_to_ycbcr)
298		/**
299		* We need to clear the buffers as the RLGR encoder expects it to be initialized to zero.
300		* This allows simplifying and improving the performance of the encoding process.
301		*/
302	0	ZeroMemory(tile->YData, 4096);
303	0	ZeroMemory(tile->CbData, 4096);
304	0	ZeroMemory(tile->CrData, 4096);
305	0	rfx_encode_component(context, YQuant, pSrcDst[0], tile->YData, 4096, &YLen);
306	0	rfx_encode_component(context, CbQuant, pSrcDst[1], tile->CbData, 4096, &CbLen);
307	0	rfx_encode_component(context, CrQuant, pSrcDst[2], tile->CrData, 4096, &CrLen);
308	0	tile->YLen = (UINT16)YLen;
309	0	tile->CbLen = (UINT16)CbLen;
310	0	tile->CrLen = (UINT16)CrLen;
311	0	PROFILER_EXIT(context->priv->prof_rfx_encode_rgb)
312	0	BufferPool_Return(context->priv->BufferPool, pBuffer);
313	0	}