FreeRDP/client/X11/xf_video.c

118 lines
3.0 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Video Optimized Remoting Virtual Channel Extension for X11
*
* Copyright 2017 David Fort <contact@hardening-consulting.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/client/geometry.h>
#include <freerdp/client/video.h>
#include "xf_video.h"
#define TAG CLIENT_TAG("video")
typedef struct
{
VideoSurface base;
XImage *image;
} xfVideoSurface;
void xf_video_geometry_init(xfContext *xfc, GeometryClientContext *geom)
{
xfc->geometry = geom;
if (xfc->video)
{
VideoClientContext *video = xfc->video;
video->setGeometry(video, xfc->geometry);
}
}
static VideoSurface *xfVideoCreateSurface(VideoClientContext *video, BYTE *data, UINT32 x, UINT32 y,
UINT32 width, UINT32 height)
{
xfContext *xfc = (xfContext *)video->custom;
xfVideoSurface *ret = calloc(1, sizeof(*ret));
if (!ret)
return NULL;
ret->base.data = data;
ret->base.x = x;
ret->base.y = y;
ret->base.w = width;
ret->base.h = height;
ret->image = XCreateImage(xfc->display, xfc->visual, xfc->depth, ZPixmap, 0,
(char *)data, width, height, 8, width * 4);
if (!ret->image)
{
WLog_ERR(TAG, "unable to create surface image");
free(ret);
return NULL;
}
return &ret->base;
}
static BOOL xfVideoShowSurface(VideoClientContext *video, xfVideoSurface *surface)
{
xfContext *xfc = video->custom;
XPutImage(xfc->display, xfc->drawable, xfc->gc, surface->image,
0, 0,
surface->base.x, surface->base.y, surface->base.w, surface->base.h);
return TRUE;
}
static BOOL xfVideoDeleteSurface(VideoClientContext *video, xfVideoSurface *surface)
{
XFree(surface->image);
free(surface);
return TRUE;
}
void xf_video_control_init(xfContext *xfc, VideoClientContext *video)
{
xfc->video = video;
video->custom = xfc;
video->createSurface = xfVideoCreateSurface;
video->showSurface = (pcVideoShowSurface)xfVideoShowSurface;
video->deleteSurface = (pcVideoDeleteSurface)xfVideoDeleteSurface;
video->setGeometry(video, xfc->geometry);
}
void xf_video_control_uninit(xfContext *xfc, VideoClientContext *video)
{
}
static void xf_video_timer(xfContext *xfc, TimerEventArgs *timer)
{
xfc->video->timer(xfc->video, timer->now);
}
void xf_video_data_init(xfContext *xfc, VideoClientContext *video)
{
PubSub_SubscribeTimer(xfc->context.pubSub, (pTimerEventHandler)xf_video_timer);
}
void xf_video_data_uninit(xfContext *xfc, VideoClientContext *context)
{
PubSub_UnsubscribeTimer(xfc->context.pubSub, (pTimerEventHandler)xf_video_timer);
}