xf_video.c

 
#include <winpr/assert.h>
#include <freerdp/client/geometry.h>
#include <freerdp/client/video.h>
#include <freerdp/gdi/video.h>
 
#include "xf_video.h"
 
#include <freerdp/log.h>
#define TAG CLIENT_TAG("video")
 
typedef struct
{
  VideoSurface base;
  XImage* image;
} xfVideoSurface;
 
static VideoSurface* xfVideoCreateSurface(VideoClientContext* video, UINT32 x, UINT32 y,
                                          UINT32 width, UINT32 height)
{
  xfContext* xfc = NULL;
  xfVideoSurface* ret = NULL;
 
  WINPR_ASSERT(video);
  ret = (xfVideoSurface*)VideoClient_CreateCommonContext(sizeof(xfContext), x, y, width, height);
  if (!ret)
    return NULL;
 
  xfc = (xfContext*)video->custom;
  WINPR_ASSERT(xfc);
 
  ret->image = XCreateImage(
      xfc->display, xfc->visual, WINPR_ASSERTING_INT_CAST(uint32_t, xfc->depth), ZPixmap, 0,
      (char*)ret->base.data, width, height, 8, WINPR_ASSERTING_INT_CAST(int, ret->base.scanline));
 
  if (!ret->image)
  {
    WLog_ERR(TAG, "unable to create surface image");
    VideoClient_DestroyCommonContext(&ret->base);
    return NULL;
  }
 
  return &ret->base;
}
 
static BOOL xfVideoShowSurface(VideoClientContext* video, const VideoSurface* surface,
                               UINT32 destinationWidth, UINT32 destinationHeight)
{
  const xfVideoSurface* xfSurface = (const xfVideoSurface*)surface;
  xfContext* xfc = NULL;
  const rdpSettings* settings = NULL;
 
  WINPR_ASSERT(video);
  WINPR_ASSERT(xfSurface);
 
  xfc = video->custom;
  WINPR_ASSERT(xfc);
 
  settings = xfc->common.context.settings;
  WINPR_ASSERT(settings);
 
#ifdef WITH_XRENDER
 
  if (freerdp_settings_get_bool(settings, FreeRDP_SmartSizing) ||
      freerdp_settings_get_bool(settings, FreeRDP_MultiTouchGestures))
  {
    XPutImage(xfc->display, xfc->primary, xfc->gc, xfSurface->image, 0, 0,
              WINPR_ASSERTING_INT_CAST(int, surface->x),
              WINPR_ASSERTING_INT_CAST(int, surface->y), surface->w, surface->h);
    xf_draw_screen(xfc, WINPR_ASSERTING_INT_CAST(int32_t, surface->x),
                   WINPR_ASSERTING_INT_CAST(int32_t, surface->y),
                   WINPR_ASSERTING_INT_CAST(int32_t, surface->w),
                   WINPR_ASSERTING_INT_CAST(int32_t, surface->h));
  }
  else
#endif
  {
    XPutImage(xfc->display, xfc->drawable, xfc->gc, xfSurface->image, 0, 0,
              WINPR_ASSERTING_INT_CAST(int, surface->x),
              WINPR_ASSERTING_INT_CAST(int, surface->y), surface->w, surface->h);
  }
 
  return TRUE;
}
 
static BOOL xfVideoDeleteSurface(VideoClientContext* video, VideoSurface* surface)
{
  xfVideoSurface* xfSurface = (xfVideoSurface*)surface;
 
  WINPR_UNUSED(video);
 
  if (xfSurface)
    XFree(xfSurface->image);
 
  VideoClient_DestroyCommonContext(surface);
  return TRUE;
}
 
void xf_video_control_init(xfContext* xfc, VideoClientContext* video)
{
  WINPR_ASSERT(xfc);
  WINPR_ASSERT(video);
 
  gdi_video_control_init(xfc->common.context.gdi, video);
 
  /* X11 needs to be able to handle 32bpp colors directly. */
  if (xfc->depth >= 24)
  {
    video->custom = xfc;
    video->createSurface = xfVideoCreateSurface;
    video->showSurface = xfVideoShowSurface;
    video->deleteSurface = xfVideoDeleteSurface;
  }
}
 
void xf_video_control_uninit(xfContext* xfc, VideoClientContext* video)
{
  WINPR_ASSERT(xfc);
  gdi_video_control_uninit(xfc->common.context.gdi, video);
}