video_main.c File Reference

#include <freerdp/config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <winpr/crt.h>
#include <winpr/assert.h>
#include <winpr/synch.h>
#include <winpr/print.h>
#include <winpr/stream.h>
#include <winpr/cmdline.h>
#include <winpr/collections.h>
#include <winpr/interlocked.h>
#include <winpr/sysinfo.h>
#include <freerdp/addin.h>
#include <freerdp/primitives.h>
#include <freerdp/client/channels.h>
#include <freerdp/client/geometry.h>
#include <freerdp/client/video.h>
#include <freerdp/channels/log.h>
#include <freerdp/codec/h264.h>
#include <freerdp/codec/yuv.h>
#include "video_main.h"

Macros
#define	TAG   CHANNELS_TAG("video")
#define	XF_VIDEO_UNLIMITED_RATE   31

Functions
static void	PresentationContext_unref (PresentationContext **presentation)
static void	VideoClientContextPriv_free (VideoClientContextPriv *priv)
static const char *	video_command_name (BYTE cmd)
static void	video_client_context_set_geometry (VideoClientContext *video, GeometryClientContext *geometry)
static VideoClientContextPriv *	VideoClientContextPriv_new (VideoClientContext *video)
static BOOL	PresentationContext_ref (PresentationContext *presentation)
static PresentationContext *	PresentationContext_new (VideoClientContext *video, BYTE PresentationId, UINT32 x, UINT32 y, UINT32 width, UINT32 height)
static void	VideoFrame_free (VideoFrame **pframe)
static VideoFrame *	VideoFrame_new (VideoClientContextPriv *priv, PresentationContext *presentation, MAPPED_GEOMETRY *geom)
static UINT	video_control_send_presentation_response (VideoClientContext *context, TSMM_PRESENTATION_RESPONSE *resp)
static BOOL	video_onMappedGeometryUpdate (MAPPED_GEOMETRY *geometry)
static BOOL	video_onMappedGeometryClear (MAPPED_GEOMETRY *geometry)
static UINT	video_PresentationRequest (VideoClientContext *video, const TSMM_PRESENTATION_REQUEST *req)
static UINT	video_read_tsmm_presentation_req (VideoClientContext *context, wStream *s)
static UINT	video_control_on_data_received (IWTSVirtualChannelCallback *pChannelCallback, wStream *s)
static UINT	video_control_send_client_notification (VideoClientContext *context, const TSMM_CLIENT_NOTIFICATION *notif)
static void	video_timer (VideoClientContext *video, UINT64 now)
static UINT	video_VideoData (VideoClientContext *context, const TSMM_VIDEO_DATA *data)
static UINT	video_data_on_data_received (IWTSVirtualChannelCallback *pChannelCallback, wStream *s)
static UINT	video_control_on_close (IWTSVirtualChannelCallback *pChannelCallback)
static UINT	video_data_on_close (IWTSVirtualChannelCallback *pChannelCallback)
static UINT	video_control_on_new_channel_connection (IWTSListenerCallback *listenerCallback, IWTSVirtualChannel *channel, BYTE *Data, BOOL *pbAccept, IWTSVirtualChannelCallback **ppCallback)
static UINT	video_data_on_new_channel_connection (IWTSListenerCallback *pListenerCallback, IWTSVirtualChannel *pChannel, BYTE *Data, BOOL *pbAccept, IWTSVirtualChannelCallback **ppCallback)
static UINT	video_plugin_initialize (IWTSPlugin *plugin, IWTSVirtualChannelManager *channelMgr)
static UINT	video_plugin_terminated (IWTSPlugin *pPlugin)
	if (!videoPlugin)

Variables
static const BYTE	MFVideoFormat_H264 []
VIDEO_PLUGIN *	videoPlugin = NULL
VideoClientContext *	videoContext = NULL
VideoClientContextPriv *	priv = NULL
	else
return	CHANNEL_RC_BAD_CHANNEL
return	error

Macro Definition Documentation

TAG

#define TAG   CHANNELS_TAG("video")

FreeRDP: A Remote Desktop Protocol Implementation Video Optimized Remoting Virtual Channel Extension

Copyright 2017 David Fort conta.nosp@m.ct@h.nosp@m.arden.nosp@m.ing-.nosp@m.consu.nosp@m.ltin.nosp@m.g.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.

XF_VIDEO_UNLIMITED_RATE

#define XF_VIDEO_UNLIMITED_RATE   31

Function Documentation

if()

if

(

!

videoPlugin

)

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PresentationContext_new()

static PresentationContext* PresentationContext_new ( VideoClientContext *  video, BYTE  PresentationId, UINT32  x, UINT32  y, UINT32  width, UINT32  height  )

static

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PresentationContext_ref()

static BOOL PresentationContext_ref ( PresentationContext *  presentation )

static

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PresentationContext_unref()

static void PresentationContext_unref ( PresentationContext **  presentation )

static

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video_client_context_set_geometry()

static void video_client_context_set_geometry ( VideoClientContext *  video, GeometryClientContext *  geometry  )

static

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video_command_name()

static const char* video_command_name ( BYTE  cmd )

static

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video_control_on_close()

static UINT video_control_on_close ( IWTSVirtualChannelCallback *  pChannelCallback )

static

Function description

Returns

0 on success, otherwise a Win32 error code

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video_control_on_data_received()

static UINT video_control_on_data_received ( IWTSVirtualChannelCallback *  pChannelCallback, wStream *  s  )

static

Function description

Returns

0 on success, otherwise a Win32 error code

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video_control_on_new_channel_connection()

static UINT video_control_on_new_channel_connection ( IWTSListenerCallback *  listenerCallback, IWTSVirtualChannel *  channel, BYTE *  Data, BOOL *  pbAccept, IWTSVirtualChannelCallback **  ppCallback  )

static

Function description

Returns

0 on success, otherwise a Win32 error code

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video_control_send_client_notification()

static UINT video_control_send_client_notification ( VideoClientContext *  context, const TSMM_CLIENT_NOTIFICATION *  notif  )

static

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video_control_send_presentation_response()

static UINT video_control_send_presentation_response ( VideoClientContext *  context, TSMM_PRESENTATION_RESPONSE *  resp  )

static

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video_data_on_close()

static UINT video_data_on_close ( IWTSVirtualChannelCallback *  pChannelCallback )

static

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video_data_on_data_received()

static UINT video_data_on_data_received ( IWTSVirtualChannelCallback *  pChannelCallback, wStream *  s  )

static

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video_data_on_new_channel_connection()

static UINT video_data_on_new_channel_connection ( IWTSListenerCallback *  pListenerCallback, IWTSVirtualChannel *  pChannel, BYTE *  Data, BOOL *  pbAccept, IWTSVirtualChannelCallback **  ppCallback  )

static

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video_onMappedGeometryClear()

static BOOL video_onMappedGeometryClear ( MAPPED_GEOMETRY *  geometry )

static

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video_onMappedGeometryUpdate()

static BOOL video_onMappedGeometryUpdate ( MAPPED_GEOMETRY *  geometry )

static

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video_plugin_initialize()

static UINT video_plugin_initialize ( IWTSPlugin *  plugin, IWTSVirtualChannelManager *  channelMgr  )

static

Function description

Returns

0 on success, otherwise a Win32 error code

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video_plugin_terminated()

static UINT video_plugin_terminated ( IWTSPlugin *  pPlugin )

static

Function description

Returns

0 on success, otherwise a Win32 error code

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video_PresentationRequest()

static UINT video_PresentationRequest ( VideoClientContext *  video, const TSMM_PRESENTATION_REQUEST *  req  )

static

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video_read_tsmm_presentation_req()

static UINT video_read_tsmm_presentation_req ( VideoClientContext *  context, wStream *  s  )

static

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video_timer()

static void video_timer ( VideoClientContext *  video, UINT64  now  )

static

some dropped frames, looks like we're asking too many frames per seconds, try lowering rate. We go directly from unlimited rate to 24 frames/seconds otherwise we lower rate by 2 frames by seconds

we treat all frames ok, so either ask the server to send more, or stay unlimited

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video_VideoData()

static UINT video_VideoData ( VideoClientContext *  context, const TSMM_VIDEO_DATA *  data  )

static

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VideoClientContextPriv_free()

void VideoClientContextPriv_free ( VideoClientContextPriv *  priv )

static

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VideoClientContextPriv_new()

static VideoClientContextPriv* VideoClientContextPriv_new ( VideoClientContext *  video )

static

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VideoFrame_free()

static void VideoFrame_free ( VideoFrame **  pframe )

static

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VideoFrame_new()

static VideoFrame* VideoFrame_new ( VideoClientContextPriv *  priv, PresentationContext *  presentation, MAPPED_GEOMETRY *  geom  )

static

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Variable Documentation

CHANNEL_RC_BAD_CHANNEL

return CHANNEL_RC_BAD_CHANNEL

else

else

Initial value:

{
                WLog_ERR(TAG, "could not get video Plugin.")

error

return error

MFVideoFormat_H264

const BYTE MFVideoFormat_H264[]

static

Initial value:

= { 'H',  '2',  '6',  '4',  0x00, 0x00, 0x10, 0x00,
                                               0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71 }

priv

VideoClientContextPriv* priv = NULL

videoContext

VideoClientContext* videoContext = NULL

videoPlugin

videoPlugin = NULL

Channel Client Interface Function description

Returns

0 on success, otherwise a Win32 error code