#include <freerdp/config.h>
#include <winpr/assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <winpr/crt.h>
#include <winpr/synch.h>
#include <winpr/thread.h>
#include <winpr/stream.h>
#include <freerdp/freerdp.h>
#include <freerdp/codec/color.h>
#include <freerdp/channels/wtsvc.h>
#include <freerdp/channels/log.h>
#include "rdpgfx_common.h"
#include "rdpgfx_main.h"

Macros
#define	TAG CHANNELS_TAG("rdpgfx.server")

#define	RDPGFX_RESET_GRAPHICS_PDU_SIZE 340

#define	checkCapsAreExchanged(context) checkCapsAreExchangedInt(context, __FILE__, __func__, __LINE__)

Functions
static BOOL	checkCapsAreExchangedInt (RdpgfxServerContext context, const char file, const char *fkt, size_t line)

static INLINE UINT32	rdpgfx_pdu_length (UINT32 dataLen)

static INLINE UINT	rdpgfx_server_packet_init_header (wStream *s, UINT16 cmdId, UINT32 pduLength)

static INLINE BOOL	rdpgfx_server_packet_complete_header (wStream *s, size_t start)

static UINT	rdpgfx_server_packet_send (RdpgfxServerContext context, wStream s)

static wStream *	rdpgfx_server_single_packet_new (wLog *log, UINT16 cmdId, UINT32 dataLen)

static INLINE UINT	rdpgfx_server_single_packet_send (RdpgfxServerContext context, wStream s)

static UINT	rdpgfx_send_caps_confirm_pdu (RdpgfxServerContext context, const RDPGFX_CAPS_CONFIRM_PDU capsConfirm)

static UINT	rdpgfx_send_reset_graphics_pdu (RdpgfxServerContext context, const RDPGFX_RESET_GRAPHICS_PDU pdu)

static UINT	rdpgfx_send_evict_cache_entry_pdu (RdpgfxServerContext context, const RDPGFX_EVICT_CACHE_ENTRY_PDU pdu)

static UINT	rdpgfx_send_cache_import_reply_pdu (RdpgfxServerContext context, const RDPGFX_CACHE_IMPORT_REPLY_PDU pdu)

static UINT	rdpgfx_process_cache_import_offer_pdu (RdpgfxServerContext context, const RDPGFX_CACHE_IMPORT_OFFER_PDU cacheImportOffer)

static UINT	rdpgfx_send_create_surface_pdu (RdpgfxServerContext context, const RDPGFX_CREATE_SURFACE_PDU pdu)

static UINT	rdpgfx_send_delete_surface_pdu (RdpgfxServerContext context, const RDPGFX_DELETE_SURFACE_PDU pdu)

static INLINE BOOL	rdpgfx_write_start_frame_pdu (wStream s, const RDPGFX_START_FRAME_PDU pdu)

static INLINE BOOL	rdpgfx_write_end_frame_pdu (wStream s, const RDPGFX_END_FRAME_PDU pdu)

static UINT	rdpgfx_send_start_frame_pdu (RdpgfxServerContext context, const RDPGFX_START_FRAME_PDU pdu)

static UINT	rdpgfx_send_end_frame_pdu (RdpgfxServerContext context, const RDPGFX_END_FRAME_PDU pdu)

static INLINE UINT32	rdpgfx_estimate_h264_avc420 (const RDPGFX_AVC420_BITMAP_STREAM *havc420)

static INLINE UINT32	rdpgfx_estimate_surface_command (const RDPGFX_SURFACE_COMMAND *cmd)

static INLINE UINT16	rdpgfx_surface_command_cmdid (const RDPGFX_SURFACE_COMMAND *cmd)

static UINT	rdpgfx_write_h264_metablock (wLog log, wStream s, const RDPGFX_H264_METABLOCK *meta)

static INLINE UINT	rdpgfx_write_h264_avc420 (wLog log, wStream s, RDPGFX_AVC420_BITMAP_STREAM *havc420)

static UINT	rdpgfx_write_surface_command (wLog log, wStream s, const RDPGFX_SURFACE_COMMAND *cmd)

static UINT	rdpgfx_send_surface_command (RdpgfxServerContext context, const RDPGFX_SURFACE_COMMAND cmd)

static UINT	rdpgfx_send_surface_frame_command (RdpgfxServerContext context, const RDPGFX_SURFACE_COMMAND cmd, const RDPGFX_START_FRAME_PDU startFrame, const RDPGFX_END_FRAME_PDU endFrame)

static UINT	rdpgfx_send_delete_encoding_context_pdu (RdpgfxServerContext context, const RDPGFX_DELETE_ENCODING_CONTEXT_PDU pdu)

static UINT	rdpgfx_send_solid_fill_pdu (RdpgfxServerContext context, const RDPGFX_SOLID_FILL_PDU pdu)

static UINT	rdpgfx_send_surface_to_surface_pdu (RdpgfxServerContext context, const RDPGFX_SURFACE_TO_SURFACE_PDU pdu)

static UINT	rdpgfx_send_surface_to_cache_pdu (RdpgfxServerContext context, const RDPGFX_SURFACE_TO_CACHE_PDU pdu)

static UINT	rdpgfx_send_cache_to_surface_pdu (RdpgfxServerContext context, const RDPGFX_CACHE_TO_SURFACE_PDU pdu)

static UINT	rdpgfx_send_map_surface_to_output_pdu (RdpgfxServerContext context, const RDPGFX_MAP_SURFACE_TO_OUTPUT_PDU pdu)

static UINT	rdpgfx_send_map_surface_to_window_pdu (RdpgfxServerContext context, const RDPGFX_MAP_SURFACE_TO_WINDOW_PDU pdu)

static UINT	rdpgfx_send_map_surface_to_scaled_window_pdu (RdpgfxServerContext context, const RDPGFX_MAP_SURFACE_TO_SCALED_WINDOW_PDU pdu)

static UINT	rdpgfx_recv_frame_acknowledge_pdu (RdpgfxServerContext context, wStream s)

static UINT	rdpgfx_recv_cache_import_offer_pdu (RdpgfxServerContext context, wStream s)

static UINT	rdpgfx_recv_caps_advertise_pdu (RdpgfxServerContext context, wStream s)

static UINT	rdpgfx_recv_qoe_frame_acknowledge_pdu (RdpgfxServerContext context, wStream s)

static UINT	rdpgfx_send_map_surface_to_scaled_output_pdu (RdpgfxServerContext context, const RDPGFX_MAP_SURFACE_TO_SCALED_OUTPUT_PDU pdu)

static UINT	rdpgfx_server_receive_pdu (RdpgfxServerContext context, wStream s)

static BOOL	rdpgfx_server_close (RdpgfxServerContext *context)

static DWORD WINAPI	rdpgfx_server_thread_func (LPVOID arg)

static BOOL	rdpgfx_server_open (RdpgfxServerContext *context)

static BOOL	rdpgfx_server_initialize (RdpgfxServerContext *context, BOOL externalThread)

RdpgfxServerContext *	rdpgfx_server_context_new (HANDLE vcm)

void	rdpgfx_server_context_free (RdpgfxServerContext *context)

HANDLE	rdpgfx_server_get_event_handle (RdpgfxServerContext *context)

UINT	rdpgfx_server_handle_messages (RdpgfxServerContext *context)

Macro Definition Documentation

◆ checkCapsAreExchanged

#define checkCapsAreExchanged ( context ) checkCapsAreExchangedInt(context, __FILE__, __func__, __LINE__)

◆ RDPGFX_RESET_GRAPHICS_PDU_SIZE

#define RDPGFX_RESET_GRAPHICS_PDU_SIZE 340

◆ TAG

#define TAG CHANNELS_TAG("rdpgfx.server")

FreeRDP: A Remote Desktop Protocol Implementation Graphics Pipeline Extension

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.

Function Documentation

◆ checkCapsAreExchangedInt()

static BOOL checkCapsAreExchangedInt	(	RdpgfxServerContext *	context,
		const char *	file,
		const char *	fkt,
		size_t	line
	)

static

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◆ rdpgfx_estimate_h264_avc420()

static INLINE UINT32 rdpgfx_estimate_h264_avc420 ( const RDPGFX_AVC420_BITMAP_STREAM * havc420 )

static

Function description Estimate RFX_AVC420_BITMAP_STREAM structure size in stream

Returns: estimated size

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◆ rdpgfx_estimate_surface_command()

static INLINE UINT32 rdpgfx_estimate_surface_command ( const RDPGFX_SURFACE_COMMAND * cmd )

static

Function description Estimate surface command packet size in stream without header

Returns: estimated size

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◆ rdpgfx_pdu_length()

static INLINE UINT32 rdpgfx_pdu_length ( UINT32 dataLen )

static

Function description Calculate packet size from data length. It would be data length + header.

Parameters

dataLen estimated data length without header

Returns: new stream

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◆ rdpgfx_process_cache_import_offer_pdu()

static UINT rdpgfx_process_cache_import_offer_pdu	(	RdpgfxServerContext *	context,
		const RDPGFX_CACHE_IMPORT_OFFER_PDU *	cacheImportOffer
	)

static

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◆ rdpgfx_recv_cache_import_offer_pdu()

static UINT rdpgfx_recv_cache_import_offer_pdu	(	RdpgfxServerContext *	context,
		wStream *	s
	)

static

Function description

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_recv_caps_advertise_pdu()

static UINT rdpgfx_recv_caps_advertise_pdu	(	RdpgfxServerContext *	context,
		wStream *	s
	)

static

Function description

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_recv_frame_acknowledge_pdu()

static UINT rdpgfx_recv_frame_acknowledge_pdu	(	RdpgfxServerContext *	context,
		wStream *	s
	)

static

Function description

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_recv_qoe_frame_acknowledge_pdu()

static UINT rdpgfx_recv_qoe_frame_acknowledge_pdu	(	RdpgfxServerContext *	context,
		wStream *	s
	)

static

Function description

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_send_cache_import_reply_pdu()

static UINT rdpgfx_send_cache_import_reply_pdu	(	RdpgfxServerContext *	context,
		const RDPGFX_CACHE_IMPORT_REPLY_PDU *	pdu
	)

static

Function description

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_send_cache_to_surface_pdu()

static UINT rdpgfx_send_cache_to_surface_pdu	(	RdpgfxServerContext *	context,
		const RDPGFX_CACHE_TO_SURFACE_PDU *	pdu
	)

static

Function description

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_send_caps_confirm_pdu()

static UINT rdpgfx_send_caps_confirm_pdu	(	RdpgfxServerContext *	context,
		const RDPGFX_CAPS_CONFIRM_PDU *	capsConfirm
	)

static

Function description

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_send_create_surface_pdu()

static UINT rdpgfx_send_create_surface_pdu	(	RdpgfxServerContext *	context,
		const RDPGFX_CREATE_SURFACE_PDU *	pdu
	)

static

Function description

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_send_delete_encoding_context_pdu()

static UINT rdpgfx_send_delete_encoding_context_pdu	(	RdpgfxServerContext *	context,
		const RDPGFX_DELETE_ENCODING_CONTEXT_PDU *	pdu
	)

static

Function description

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_send_delete_surface_pdu()

static UINT rdpgfx_send_delete_surface_pdu	(	RdpgfxServerContext *	context,
		const RDPGFX_DELETE_SURFACE_PDU *	pdu
	)

static

Function description

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_send_end_frame_pdu()

static UINT rdpgfx_send_end_frame_pdu	(	RdpgfxServerContext *	context,
		const RDPGFX_END_FRAME_PDU *	pdu
	)

static

Function description

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_send_evict_cache_entry_pdu()

static UINT rdpgfx_send_evict_cache_entry_pdu	(	RdpgfxServerContext *	context,
		const RDPGFX_EVICT_CACHE_ENTRY_PDU *	pdu
	)

static

Function description

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_send_map_surface_to_output_pdu()

static UINT rdpgfx_send_map_surface_to_output_pdu	(	RdpgfxServerContext *	context,
		const RDPGFX_MAP_SURFACE_TO_OUTPUT_PDU *	pdu
	)

static

Function description

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_send_map_surface_to_scaled_output_pdu()

static UINT rdpgfx_send_map_surface_to_scaled_output_pdu	(	RdpgfxServerContext *	context,
		const RDPGFX_MAP_SURFACE_TO_SCALED_OUTPUT_PDU *	pdu
	)

static

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◆ rdpgfx_send_map_surface_to_scaled_window_pdu()

static UINT rdpgfx_send_map_surface_to_scaled_window_pdu	(	RdpgfxServerContext *	context,
		const RDPGFX_MAP_SURFACE_TO_SCALED_WINDOW_PDU *	pdu
	)

static

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◆ rdpgfx_send_map_surface_to_window_pdu()

static UINT rdpgfx_send_map_surface_to_window_pdu	(	RdpgfxServerContext *	context,
		const RDPGFX_MAP_SURFACE_TO_WINDOW_PDU *	pdu
	)

static

Function description

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_send_reset_graphics_pdu()

static UINT rdpgfx_send_reset_graphics_pdu	(	RdpgfxServerContext *	context,
		const RDPGFX_RESET_GRAPHICS_PDU *	pdu
	)

static

Function description

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_send_solid_fill_pdu()

static UINT rdpgfx_send_solid_fill_pdu	(	RdpgfxServerContext *	context,
		const RDPGFX_SOLID_FILL_PDU *	pdu
	)

static

Function description

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_send_start_frame_pdu()

static UINT rdpgfx_send_start_frame_pdu	(	RdpgfxServerContext *	context,
		const RDPGFX_START_FRAME_PDU *	pdu
	)

static

Function description

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_send_surface_command()

static UINT rdpgfx_send_surface_command	(	RdpgfxServerContext *	context,
		const RDPGFX_SURFACE_COMMAND *	cmd
	)

static

Function description Send RDPGFX_CMDID_WIRETOSURFACE_1 or RDPGFX_CMDID_WIRETOSURFACE_2 message according to codecId

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_send_surface_frame_command()

static UINT rdpgfx_send_surface_frame_command	(	RdpgfxServerContext *	context,
		const RDPGFX_SURFACE_COMMAND *	cmd,
		const RDPGFX_START_FRAME_PDU *	startFrame,
		const RDPGFX_END_FRAME_PDU *	endFrame
	)

static

Function description Send RDPGFX_CMDID_WIRETOSURFACE_1 or RDPGFX_CMDID_WIRETOSURFACE_2 message according to codecId. Prepend/append start/end frame message in same packet if exists.

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_send_surface_to_cache_pdu()

static UINT rdpgfx_send_surface_to_cache_pdu	(	RdpgfxServerContext *	context,
		const RDPGFX_SURFACE_TO_CACHE_PDU *	pdu
	)

static

Function description

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_send_surface_to_surface_pdu()

static UINT rdpgfx_send_surface_to_surface_pdu	(	RdpgfxServerContext *	context,
		const RDPGFX_SURFACE_TO_SURFACE_PDU *	pdu
	)

static

Function description

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_server_close()

BOOL rdpgfx_server_close ( RdpgfxServerContext * context )

static

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◆ rdpgfx_server_context_free()

void rdpgfx_server_context_free ( RdpgfxServerContext * context )

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◆ rdpgfx_server_context_new()

RdpgfxServerContext* rdpgfx_server_context_new ( HANDLE vcm )

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◆ rdpgfx_server_get_event_handle()

HANDLE rdpgfx_server_get_event_handle ( RdpgfxServerContext * context )

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◆ rdpgfx_server_handle_messages()

UINT rdpgfx_server_handle_messages ( RdpgfxServerContext * context )

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◆ rdpgfx_server_initialize()

static BOOL rdpgfx_server_initialize	(	RdpgfxServerContext *	context,
		BOOL	externalThread
	)

static

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◆ rdpgfx_server_open()

static BOOL rdpgfx_server_open ( RdpgfxServerContext * context )

static

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◆ rdpgfx_server_packet_complete_header()

static INLINE BOOL rdpgfx_server_packet_complete_header	(	wStream *	s,
		size_t	start
	)

static

Function description Complete the rdpgfx packet header.

Parameters

s	stream
start	saved start pos of the packet in the stream

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◆ rdpgfx_server_packet_init_header()

static INLINE UINT rdpgfx_server_packet_init_header	(	wStream *	s,
		UINT16	cmdId,
		UINT32	pduLength
	)

static

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◆ rdpgfx_server_packet_send()

static UINT rdpgfx_server_packet_send	(	RdpgfxServerContext *	context,
		wStream *	s
	)

static

Function description Send the stream for rdpgfx server packet. The packet would be compressed according to [MS-RDPEGFX].

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_server_receive_pdu()

static UINT rdpgfx_server_receive_pdu	(	RdpgfxServerContext *	context,
		wStream *	s
	)

static

Function description

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_server_single_packet_new()

static wStream* rdpgfx_server_single_packet_new	(	wLog *	log,
		UINT16	cmdId,
		UINT32	dataLen
	)

static

Function description Create new stream for single rdpgfx packet. The new stream length would be required data length + header. The header will be written to the stream before return, but the pduLength field might be changed in rdpgfx_server_single_packet_send.

Parameters

cmdId	The CommandID to write
dataLen	estimated data length without header

Returns: new stream

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◆ rdpgfx_server_single_packet_send()

static INLINE UINT rdpgfx_server_single_packet_send	(	RdpgfxServerContext *	context,
		wStream *	s
	)

static

Function description Send the stream for single rdpgfx packet. The header will be filled with actual length. The packet would be compressed according to [MS-RDPEGFX].

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_server_thread_func()

static DWORD WINAPI rdpgfx_server_thread_func ( LPVOID arg )

static

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◆ rdpgfx_surface_command_cmdid()

static INLINE UINT16 rdpgfx_surface_command_cmdid ( const RDPGFX_SURFACE_COMMAND * cmd )

static

Function description Resolve RDPGFX_CMDID_WIRETOSURFACE_1 or RDPGFX_CMDID_WIRETOSURFACE_2 according to codecId

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_write_end_frame_pdu()

static INLINE BOOL rdpgfx_write_end_frame_pdu	(	wStream *	s,
		const RDPGFX_END_FRAME_PDU *	pdu
	)

static

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◆ rdpgfx_write_h264_avc420()

static INLINE UINT rdpgfx_write_h264_avc420	(	wLog *	log,
		wStream *	s,
		RDPGFX_AVC420_BITMAP_STREAM *	havc420
	)

static

Function description Write RFX_AVC420_BITMAP_STREAM structure to stream

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_write_h264_metablock()

static UINT rdpgfx_write_h264_metablock	(	wLog *	log,
		wStream *	s,
		const RDPGFX_H264_METABLOCK *	meta
	)

static

Function description

Returns: 0 on success, otherwise a Win32 error code

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◆ rdpgfx_write_start_frame_pdu()

static INLINE BOOL rdpgfx_write_start_frame_pdu	(	wStream *	s,
		const RDPGFX_START_FRAME_PDU *	pdu
	)

static

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◆ rdpgfx_write_surface_command()

static UINT rdpgfx_write_surface_command	(	wLog *	log,
		wStream *	s,
		const RDPGFX_SURFACE_COMMAND *	cmd
	)

static

Function description Write RDPGFX_CMDID_WIRETOSURFACE_1 or RDPGFX_CMDID_WIRETOSURFACE_2 to the stream according to RDPGFX_SURFACE_COMMAND message

Returns: 0 on success, otherwise a Win32 error code

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Macros

Functions

Macro Definition Documentation

◆ checkCapsAreExchanged

◆ RDPGFX_RESET_GRAPHICS_PDU_SIZE

◆ TAG

Function Documentation

◆ checkCapsAreExchangedInt()

◆ rdpgfx_estimate_h264_avc420()

◆ rdpgfx_estimate_surface_command()

◆ rdpgfx_pdu_length()

◆ rdpgfx_process_cache_import_offer_pdu()

◆ rdpgfx_recv_cache_import_offer_pdu()

◆ rdpgfx_recv_caps_advertise_pdu()

◆ rdpgfx_recv_frame_acknowledge_pdu()

◆ rdpgfx_recv_qoe_frame_acknowledge_pdu()

◆ rdpgfx_send_cache_import_reply_pdu()

◆ rdpgfx_send_cache_to_surface_pdu()

◆ rdpgfx_send_caps_confirm_pdu()

◆ rdpgfx_send_create_surface_pdu()

◆ rdpgfx_send_delete_encoding_context_pdu()

◆ rdpgfx_send_delete_surface_pdu()

◆ rdpgfx_send_end_frame_pdu()

◆ rdpgfx_send_evict_cache_entry_pdu()

◆ rdpgfx_send_map_surface_to_output_pdu()

◆ rdpgfx_send_map_surface_to_scaled_output_pdu()

◆ rdpgfx_send_map_surface_to_scaled_window_pdu()

◆ rdpgfx_send_map_surface_to_window_pdu()

◆ rdpgfx_send_reset_graphics_pdu()

◆ rdpgfx_send_solid_fill_pdu()

◆ rdpgfx_send_start_frame_pdu()

◆ rdpgfx_send_surface_command()

◆ rdpgfx_send_surface_frame_command()

◆ rdpgfx_send_surface_to_cache_pdu()

◆ rdpgfx_send_surface_to_surface_pdu()

◆ rdpgfx_server_close()

◆ rdpgfx_server_context_free()

◆ rdpgfx_server_context_new()

◆ rdpgfx_server_get_event_handle()

◆ rdpgfx_server_handle_messages()

◆ rdpgfx_server_initialize()

◆ rdpgfx_server_open()

◆ rdpgfx_server_packet_complete_header()

◆ rdpgfx_server_packet_init_header()

◆ rdpgfx_server_packet_send()

◆ rdpgfx_server_receive_pdu()

◆ rdpgfx_server_single_packet_new()

◆ rdpgfx_server_single_packet_send()

◆ rdpgfx_server_thread_func()

◆ rdpgfx_surface_command_cmdid()

◆ rdpgfx_write_end_frame_pdu()

◆ rdpgfx_write_h264_avc420()

◆ rdpgfx_write_h264_metablock()

◆ rdpgfx_write_start_frame_pdu()

◆ rdpgfx_write_surface_command()