static GstFlowReturn gst_alpha_transform_frame (GstVideoFilter * filter,
GstVideoFrame * in_frame, GstVideoFrame * out_frame);
+static void gst_alpha_init_params_full (GstAlpha * alpha,
+ const GstVideoFormatInfo * in_info, const GstVideoFormatInfo * out_info);
static void gst_alpha_init_params (GstAlpha * alpha);
static gboolean gst_alpha_set_process_function (GstAlpha * alpha);
+static gboolean gst_alpha_set_process_function_full (GstAlpha * alpha,
+ GstVideoInfo * in_info, GstVideoInfo * out_info);
static void gst_alpha_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
gst_base_transform_set_passthrough (GST_BASE_TRANSFORM_CAST (filter),
passthrough);
- if (!gst_alpha_set_process_function (alpha) && !passthrough)
+ if (!gst_alpha_set_process_function_full (alpha, in_info, out_info)
+ && !passthrough)
goto no_process;
- gst_alpha_init_params (alpha);
+ gst_alpha_init_params_full (alpha, in_info->finfo, out_info->finfo);
GST_ALPHA_UNLOCK (alpha);
/* Protected with the alpha lock */
static void
-gst_alpha_init_params (GstAlpha * alpha)
+gst_alpha_init_params_full (GstAlpha * alpha,
+ const GstVideoFormatInfo * in_info, const GstVideoFormatInfo * out_info)
{
gfloat kgl;
gfloat tmp;
gfloat tmp1, tmp2;
gfloat y;
- const GstVideoFormatInfo *in_info, *out_info;
const gint *matrix;
- in_info = GST_VIDEO_FILTER (alpha)->in_info.finfo;
- out_info = GST_VIDEO_FILTER (alpha)->out_info.finfo;
-
/* RGB->RGB: convert to SDTV YUV, chroma keying, convert back
* YUV->RGB: chroma keying, convert to RGB
* RGB->YUV: convert to YUV, chroma keying
alpha->noise_level2 = alpha->noise_level * alpha->noise_level;
}
+static void
+gst_alpha_init_params (GstAlpha * alpha)
+{
+ gst_alpha_init_params_full (alpha, GST_VIDEO_FILTER (alpha)->in_info.finfo,
+ GST_VIDEO_FILTER (alpha)->out_info.finfo);
+}
+
/* Protected with the alpha lock */
static gboolean
-gst_alpha_set_process_function (GstAlpha * alpha)
+gst_alpha_set_process_function_full (GstAlpha * alpha, GstVideoInfo * in_info,
+ GstVideoInfo * out_info)
{
- GstVideoInfo *in_info, *out_info;
-
alpha->process = NULL;
- in_info = &GST_VIDEO_FILTER_CAST (alpha)->in_info;
- out_info = &GST_VIDEO_FILTER_CAST (alpha)->out_info;
-
switch (alpha->method) {
case ALPHA_METHOD_SET:
switch (GST_VIDEO_INFO_FORMAT (out_info)) {
return alpha->process != NULL;
}
+static gboolean
+gst_alpha_set_process_function (GstAlpha * alpha)
+{
+ return gst_alpha_set_process_function_full (alpha,
+ &GST_VIDEO_FILTER_CAST (alpha)->in_info,
+ &GST_VIDEO_FILTER_CAST (alpha)->out_info);
+}
+
static void
gst_alpha_before_transform (GstBaseTransform * btrans, GstBuffer * buf)
{