252 lines
7.7 KiB
C
252 lines
7.7 KiB
C
/**
|
|
* FreeRDP: A Remote Desktop Protocol Implementation
|
|
* Graphics Pipeline Extension
|
|
*
|
|
* Copyright 2013 Marc-Andre Moreau <marcandre.moreau@gmail.com>
|
|
* Copyright 2015 Thincast Technologies GmbH
|
|
* Copyright 2015 DI (FH) Martin Haimberger <martin.haimberger@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.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <winpr/crt.h>
|
|
#include <winpr/assert.h>
|
|
#include <winpr/stream.h>
|
|
#include <freerdp/channels/log.h>
|
|
|
|
#define TAG CHANNELS_TAG("rdpgfx.common")
|
|
|
|
#include "rdpgfx_common.h"
|
|
|
|
static const char* RDPGFX_CMDID_STRINGS[] = { "RDPGFX_CMDID_UNUSED_0000",
|
|
"RDPGFX_CMDID_WIRETOSURFACE_1",
|
|
"RDPGFX_CMDID_WIRETOSURFACE_2",
|
|
"RDPGFX_CMDID_DELETEENCODINGCONTEXT",
|
|
"RDPGFX_CMDID_SOLIDFILL",
|
|
"RDPGFX_CMDID_SURFACETOSURFACE",
|
|
"RDPGFX_CMDID_SURFACETOCACHE",
|
|
"RDPGFX_CMDID_CACHETOSURFACE",
|
|
"RDPGFX_CMDID_EVICTCACHEENTRY",
|
|
"RDPGFX_CMDID_CREATESURFACE",
|
|
"RDPGFX_CMDID_DELETESURFACE",
|
|
"RDPGFX_CMDID_STARTFRAME",
|
|
"RDPGFX_CMDID_ENDFRAME",
|
|
"RDPGFX_CMDID_FRAMEACKNOWLEDGE",
|
|
"RDPGFX_CMDID_RESETGRAPHICS",
|
|
"RDPGFX_CMDID_MAPSURFACETOOUTPUT",
|
|
"RDPGFX_CMDID_CACHEIMPORTOFFER",
|
|
"RDPGFX_CMDID_CACHEIMPORTREPLY",
|
|
"RDPGFX_CMDID_CAPSADVERTISE",
|
|
"RDPGFX_CMDID_CAPSCONFIRM",
|
|
"RDPGFX_CMDID_UNUSED_0014",
|
|
"RDPGFX_CMDID_MAPSURFACETOWINDOW",
|
|
"RDPGFX_CMDID_QOEFRAMEACKNOWLEDGE",
|
|
"RDPGFX_CMDID_MAPSURFACETOSCALEDOUTPUT",
|
|
"RDPGFX_CMDID_MAPSURFACETOSCALEDWINDOW" };
|
|
|
|
const char* rdpgfx_get_cmd_id_string(UINT16 cmdId)
|
|
{
|
|
if (cmdId <= RDPGFX_CMDID_MAPSURFACETOSCALEDWINDOW)
|
|
return RDPGFX_CMDID_STRINGS[cmdId];
|
|
else
|
|
return "RDPGFX_CMDID_UNKNOWN";
|
|
}
|
|
|
|
const char* rdpgfx_get_codec_id_string(UINT16 codecId)
|
|
{
|
|
switch (codecId)
|
|
{
|
|
case RDPGFX_CODECID_UNCOMPRESSED:
|
|
return "RDPGFX_CODECID_UNCOMPRESSED";
|
|
|
|
case RDPGFX_CODECID_CAVIDEO:
|
|
return "RDPGFX_CODECID_CAVIDEO";
|
|
|
|
case RDPGFX_CODECID_CLEARCODEC:
|
|
return "RDPGFX_CODECID_CLEARCODEC";
|
|
|
|
case RDPGFX_CODECID_PLANAR:
|
|
return "RDPGFX_CODECID_PLANAR";
|
|
|
|
case RDPGFX_CODECID_AVC420:
|
|
return "RDPGFX_CODECID_AVC420";
|
|
|
|
case RDPGFX_CODECID_AVC444:
|
|
return "RDPGFX_CODECID_AVC444";
|
|
|
|
case RDPGFX_CODECID_AVC444v2:
|
|
return "RDPGFX_CODECID_AVC444v2";
|
|
|
|
case RDPGFX_CODECID_ALPHA:
|
|
return "RDPGFX_CODECID_ALPHA";
|
|
|
|
case RDPGFX_CODECID_CAPROGRESSIVE:
|
|
return "RDPGFX_CODECID_CAPROGRESSIVE";
|
|
|
|
case RDPGFX_CODECID_CAPROGRESSIVE_V2:
|
|
return "RDPGFX_CODECID_CAPROGRESSIVE_V2";
|
|
}
|
|
|
|
return "RDPGFX_CODECID_UNKNOWN";
|
|
}
|
|
|
|
/**
|
|
* Function description
|
|
*
|
|
* @return 0 on success, otherwise a Win32 error code
|
|
*/
|
|
UINT rdpgfx_read_header(wStream* s, RDPGFX_HEADER* header)
|
|
{
|
|
WINPR_ASSERT(s);
|
|
WINPR_ASSERT(header);
|
|
|
|
if (Stream_GetRemainingLength(s) < 8)
|
|
{
|
|
WLog_ERR(TAG, "calloc failed!");
|
|
return CHANNEL_RC_NO_MEMORY;
|
|
}
|
|
|
|
Stream_Read_UINT16(s, header->cmdId); /* cmdId (2 bytes) */
|
|
Stream_Read_UINT16(s, header->flags); /* flags (2 bytes) */
|
|
Stream_Read_UINT32(s, header->pduLength); /* pduLength (4 bytes) */
|
|
|
|
if ((header->pduLength < 8) || (Stream_GetRemainingLength(s) < (header->pduLength - 8)))
|
|
{
|
|
WLog_ERR(TAG, "header->pduLength %u less than 8!", header->pduLength);
|
|
return ERROR_INVALID_DATA;
|
|
}
|
|
|
|
return CHANNEL_RC_OK;
|
|
}
|
|
|
|
/**
|
|
* Function description
|
|
*
|
|
* @return 0 on success, otherwise a Win32 error code
|
|
*/
|
|
UINT rdpgfx_write_header(wStream* s, const RDPGFX_HEADER* header)
|
|
{
|
|
if (!Stream_EnsureRemainingCapacity(s, 8))
|
|
return ERROR_INTERNAL_ERROR;
|
|
Stream_Write_UINT16(s, header->cmdId); /* cmdId (2 bytes) */
|
|
Stream_Write_UINT16(s, header->flags); /* flags (2 bytes) */
|
|
Stream_Write_UINT32(s, header->pduLength); /* pduLength (4 bytes) */
|
|
return CHANNEL_RC_OK;
|
|
}
|
|
|
|
/**
|
|
* Function description
|
|
*
|
|
* @return 0 on success, otherwise a Win32 error code
|
|
*/
|
|
UINT rdpgfx_read_point16(wStream* s, RDPGFX_POINT16* pt16)
|
|
{
|
|
if (Stream_GetRemainingLength(s) < 4)
|
|
{
|
|
WLog_ERR(TAG, "not enough data!");
|
|
return ERROR_INVALID_DATA;
|
|
}
|
|
|
|
Stream_Read_UINT16(s, pt16->x); /* x (2 bytes) */
|
|
Stream_Read_UINT16(s, pt16->y); /* y (2 bytes) */
|
|
return CHANNEL_RC_OK;
|
|
}
|
|
|
|
/**
|
|
* Function description
|
|
*
|
|
* @return 0 on success, otherwise a Win32 error code
|
|
*/
|
|
UINT rdpgfx_write_point16(wStream* s, const RDPGFX_POINT16* point16)
|
|
{
|
|
Stream_Write_UINT16(s, point16->x); /* x (2 bytes) */
|
|
Stream_Write_UINT16(s, point16->y); /* y (2 bytes) */
|
|
return CHANNEL_RC_OK;
|
|
}
|
|
|
|
/**
|
|
* Function description
|
|
*
|
|
* @return 0 on success, otherwise a Win32 error code
|
|
*/
|
|
UINT rdpgfx_read_rect16(wStream* s, RECTANGLE_16* rect16)
|
|
{
|
|
if (Stream_GetRemainingLength(s) < 8)
|
|
{
|
|
WLog_ERR(TAG, "not enough data!");
|
|
return ERROR_INVALID_DATA;
|
|
}
|
|
|
|
Stream_Read_UINT16(s, rect16->left); /* left (2 bytes) */
|
|
Stream_Read_UINT16(s, rect16->top); /* top (2 bytes) */
|
|
Stream_Read_UINT16(s, rect16->right); /* right (2 bytes) */
|
|
Stream_Read_UINT16(s, rect16->bottom); /* bottom (2 bytes) */
|
|
if (rect16->left >= rect16->right)
|
|
return ERROR_INVALID_DATA;
|
|
if (rect16->top >= rect16->bottom)
|
|
return ERROR_INVALID_DATA;
|
|
return CHANNEL_RC_OK;
|
|
}
|
|
|
|
/**
|
|
* Function description
|
|
*
|
|
* @return 0 on success, otherwise a Win32 error code
|
|
*/
|
|
UINT rdpgfx_write_rect16(wStream* s, const RECTANGLE_16* rect16)
|
|
{
|
|
Stream_Write_UINT16(s, rect16->left); /* left (2 bytes) */
|
|
Stream_Write_UINT16(s, rect16->top); /* top (2 bytes) */
|
|
Stream_Write_UINT16(s, rect16->right); /* right (2 bytes) */
|
|
Stream_Write_UINT16(s, rect16->bottom); /* bottom (2 bytes) */
|
|
return CHANNEL_RC_OK;
|
|
}
|
|
|
|
/**
|
|
* Function description
|
|
*
|
|
* @return 0 on success, otherwise a Win32 error code
|
|
*/
|
|
UINT rdpgfx_read_color32(wStream* s, RDPGFX_COLOR32* color32)
|
|
{
|
|
if (Stream_GetRemainingLength(s) < 4)
|
|
{
|
|
WLog_ERR(TAG, "not enough data!");
|
|
return ERROR_INVALID_DATA;
|
|
}
|
|
|
|
Stream_Read_UINT8(s, color32->B); /* B (1 byte) */
|
|
Stream_Read_UINT8(s, color32->G); /* G (1 byte) */
|
|
Stream_Read_UINT8(s, color32->R); /* R (1 byte) */
|
|
Stream_Read_UINT8(s, color32->XA); /* XA (1 byte) */
|
|
return CHANNEL_RC_OK;
|
|
}
|
|
|
|
/**
|
|
* Function description
|
|
*
|
|
* @return 0 on success, otherwise a Win32 error code
|
|
*/
|
|
UINT rdpgfx_write_color32(wStream* s, const RDPGFX_COLOR32* color32)
|
|
{
|
|
Stream_Write_UINT8(s, color32->B); /* B (1 byte) */
|
|
Stream_Write_UINT8(s, color32->G); /* G (1 byte) */
|
|
Stream_Write_UINT8(s, color32->R); /* R (1 byte) */
|
|
Stream_Write_UINT8(s, color32->XA); /* XA (1 byte) */
|
|
return CHANNEL_RC_OK;
|
|
}
|