Ejemplos de gst_aasink_scale en C++ (Cpp)

Ejemplo n.º 1

Archivo: gstaasink.c Proyecto: ChinnaSuhas/ossbuild

static GstFlowReturn
gst_aasink_render (GstBaseSink * basesink, GstBuffer * buffer)
{
  GstAASink *aasink;

  aasink = GST_AASINK (basesink);

  GST_DEBUG ("render");

  gst_aasink_scale (aasink, GST_BUFFER_DATA (buffer),   /* src */
      aa_image (aasink->context),       /* dest */
      aasink->width,            /* sw */
      aasink->height,           /* sh */
      aa_imgwidth (aasink->context),    /* dw */
      aa_imgheight (aasink->context));  /* dh */

  aa_render (aasink->context, &aasink->ascii_parms,
      0, 0, aa_imgwidth (aasink->context), aa_imgheight (aasink->context));
  aa_flush (aasink->context);
  aa_getevent (aasink->context, FALSE);

  return GST_FLOW_OK;
}

Ejemplo n.º 2

Archivo: gstaasink.c Proyecto: an146/gst-plugins-good

static GstFlowReturn
gst_aasink_show_frame (GstVideoSink * videosink, GstBuffer * buffer)
{
  GstAASink *aasink;
  GstVideoFrame frame;

  aasink = GST_AASINK (videosink);

  GST_DEBUG ("show frame");

  if (!gst_video_frame_map (&frame, &aasink->info, buffer, GST_MAP_READ))
    goto invalid_frame;

  gst_aasink_scale (aasink, GST_VIDEO_FRAME_PLANE_DATA (&frame, 0),     /* src */
      aa_image (aasink->context),       /* dest */
      GST_VIDEO_INFO_WIDTH (&aasink->info),     /* sw */
      GST_VIDEO_INFO_HEIGHT (&aasink->info),    /* sh */
      GST_VIDEO_FRAME_PLANE_STRIDE (&frame, 0), /* ss */
      aa_imgwidth (aasink->context),    /* dw */
      aa_imgheight (aasink->context));  /* dh */

  aa_render (aasink->context, &aasink->ascii_parms,
      0, 0, aa_imgwidth (aasink->context), aa_imgheight (aasink->context));
  aa_flush (aasink->context);
  aa_getevent (aasink->context, FALSE);
  gst_video_frame_unmap (&frame);

  return GST_FLOW_OK;

  /* ERRORS */
invalid_frame:
  {
    GST_DEBUG_OBJECT (aasink, "invalid frame");
    return GST_FLOW_ERROR;
  }
}