C++ (Cpp) gst_gl_color_convert_transform_caps示例

示例#1

文件： gstglstereomix.c 项目： thiblahute/gst-plugins-base

/* Convert to caps that can be accepted by this element... */
static GstCaps *
get_converted_caps (GstGLStereoMix * mix, GstCaps * caps)
{
#if 0
  GstGLContext *context = GST_GL_BASE_MIXER (mix)->context;
  GstCaps *result, *tmp;

  GST_LOG_OBJECT (mix, "Converting caps %" GST_PTR_FORMAT, caps);
  result = gst_gl_upload_transform_caps (context, GST_PAD_SINK, caps, NULL);
  tmp = result;
  GST_TRACE_OBJECT (mix, "transfer returned caps %" GST_PTR_FORMAT, tmp);

  result =
      gst_gl_color_convert_transform_caps (context, GST_PAD_SINK, tmp, NULL);
  gst_caps_unref (tmp);
  GST_TRACE_OBJECT (mix, "convert returned caps %" GST_PTR_FORMAT, tmp);

  tmp = result;
  result = gst_gl_view_convert_transform_caps (mix->viewconvert,
      GST_PAD_SINK, tmp, NULL);
  gst_caps_unref (tmp);
#else
  GstCaps *result;

  GST_LOG_OBJECT (mix, "Converting caps %" GST_PTR_FORMAT, caps);
  result = gst_gl_view_convert_transform_caps (mix->viewconvert,
      GST_PAD_SINK, caps, NULL);
#endif

  GST_LOG_OBJECT (mix, "returning caps %" GST_PTR_FORMAT, result);

  return result;
}

示例#2

文件： gstglstereosplit.c 项目： asrashley/gst-plugins-bad

static GstCaps *
stereosplit_transform_caps (GstGLStereoSplit * self, GstPadDirection direction,
    GstCaps * caps, GstCaps * filter)
{
  GstCaps *next_caps;

  /* FIXME: Is this the right way to ensure a context here ? */
  if (!ensure_context (self))
    return NULL;

  if (direction == GST_PAD_SINK) {
    next_caps =
        gst_gl_upload_transform_caps (self->context, direction, caps, filter);
    caps = next_caps;

    next_caps =
        gst_gl_color_convert_transform_caps (self->context, direction, caps,
        NULL);
    gst_caps_unref (caps);
    caps = next_caps;

    next_caps =
        gst_gl_view_convert_transform_caps (self->viewconvert, direction, caps,
        NULL);
    gst_caps_unref (caps);
  } else {
    next_caps =
        gst_gl_view_convert_transform_caps (self->viewconvert, direction, caps,
        filter);
    caps = next_caps;

    next_caps =
        gst_gl_color_convert_transform_caps (self->context, direction, caps,
        NULL);
    gst_caps_unref (caps);
    caps = next_caps;

    next_caps =
        gst_gl_upload_transform_caps (self->context, direction, caps, NULL);
    gst_caps_unref (caps);
  }

  return next_caps;
}