C++ (Cpp) gst_video_format_from_drm Examples

Example #1

File: gstkmssink.c Project: justinjoy/gst-plugins-bad

static gboolean
ensure_allowed_caps (GstKMSSink * self, drmModePlane * plane, drmModeRes * res)
{
  GstCaps *out_caps, *caps;
  int i;
  GstVideoFormat fmt;
  const gchar *format;

  if (self->allowed_caps)
    return TRUE;

  out_caps = gst_caps_new_empty ();
  if (!out_caps)
    return FALSE;

  for (i = 0; i < plane->count_formats; i++) {
    fmt = gst_video_format_from_drm (plane->formats[i]);
    if (fmt == GST_VIDEO_FORMAT_UNKNOWN) {
      GST_INFO_OBJECT (self, "ignoring format %" GST_FOURCC_FORMAT,
          GST_FOURCC_ARGS (plane->formats[i]));
      continue;
    }

    format = gst_video_format_to_string (fmt);
    caps = gst_caps_new_simple ("video/x-raw", "format", G_TYPE_STRING, format,
        "width", GST_TYPE_INT_RANGE, res->min_width, res->max_width,
        "height", GST_TYPE_INT_RANGE, res->min_height, res->max_height,
        "framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
    if (!caps)
      continue;

    out_caps = gst_caps_merge (out_caps, caps);
  }

  self->allowed_caps = gst_caps_simplify (out_caps);

  GST_DEBUG_OBJECT (self, "allowed caps = %" GST_PTR_FORMAT,
      self->allowed_caps);

  return TRUE;
}

Example #2

File: gstkmssink.c Project: GrokImageCompression/gst-plugins-bad

static gboolean
ensure_allowed_caps (GstKMSSink * self, drmModeConnector * conn,
    drmModePlane * plane, drmModeRes * res)
{
  GstCaps *out_caps, *tmp_caps, *caps;
  int i, j;
  GstVideoFormat fmt;
  const gchar *format;
  drmModeModeInfo *mode;
  gint count_modes;

  if (self->allowed_caps)
    return TRUE;

  out_caps = gst_caps_new_empty ();
  if (!out_caps)
    return FALSE;

  if (conn && self->modesetting_enabled)
    count_modes = conn->count_modes;
  else
    count_modes = 1;

  for (i = 0; i < count_modes; i++) {
    tmp_caps = gst_caps_new_empty ();
    if (!tmp_caps)
      return FALSE;

    mode = NULL;
    if (conn && self->modesetting_enabled)
      mode = &conn->modes[i];

    for (j = 0; j < plane->count_formats; j++) {
      fmt = gst_video_format_from_drm (plane->formats[j]);
      if (fmt == GST_VIDEO_FORMAT_UNKNOWN) {
        GST_INFO_OBJECT (self, "ignoring format %" GST_FOURCC_FORMAT,
            GST_FOURCC_ARGS (plane->formats[j]));
        continue;
      }

      format = gst_video_format_to_string (fmt);

      if (mode) {
        caps = gst_caps_new_simple ("video/x-raw",
            "format", G_TYPE_STRING, format,
            "width", G_TYPE_INT, mode->hdisplay,
            "height", G_TYPE_INT, mode->vdisplay,
            "framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
      } else {
        caps = gst_caps_new_simple ("video/x-raw",
            "format", G_TYPE_STRING, format,
            "width", GST_TYPE_INT_RANGE, res->min_width, res->max_width,
            "height", GST_TYPE_INT_RANGE, res->min_height, res->max_height,
            "framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
      }
      if (!caps)
        continue;

      tmp_caps = gst_caps_merge (tmp_caps, caps);
    }

    out_caps = gst_caps_merge (out_caps, gst_caps_simplify (tmp_caps));
  }

  self->allowed_caps = gst_caps_simplify (out_caps);

  GST_DEBUG_OBJECT (self, "allowed caps = %" GST_PTR_FORMAT,
      self->allowed_caps);

  return (self->allowed_caps && !gst_caps_is_empty (self->allowed_caps));
}