static GstFlowReturn
gst_smpte_alpha_transform_frame (GstVideoFilter * vfilter,
GstVideoFrame * in_frame, GstVideoFrame * out_frame)
{
GstSMPTEAlpha *smpte = GST_SMPTE_ALPHA (vfilter);
gdouble position;
gint border;
if (G_UNLIKELY (!smpte->process))
goto not_negotiated;
GST_OBJECT_LOCK (smpte);
position = smpte->position;
border = smpte->border;
/* run the type specific filter code */
smpte->process (smpte, in_frame, out_frame,
smpte->mask, border, ((1 << smpte->depth) + border) * position);
GST_OBJECT_UNLOCK (smpte);
return GST_FLOW_OK;
/* ERRORS */
not_negotiated:
{
GST_ELEMENT_ERROR (smpte, CORE, NEGOTIATION, (NULL),
("No input format negotiated"));
return GST_FLOW_NOT_NEGOTIATED;
}
}
static GstFlowReturn
gst_smpte_alpha_transform (GstBaseTransform * trans, GstBuffer * in,
GstBuffer * out)
{
GstSMPTEAlpha *smpte = GST_SMPTE_ALPHA (trans);
gdouble position;
gint border;
if (G_UNLIKELY (!smpte->process))
goto not_negotiated;
/* these are the propertis we update with only the object lock, others are
* only updated with the TRANSFORM_LOCK. */
GST_OBJECT_LOCK (smpte);
position = smpte->position;
border = smpte->border;
GST_OBJECT_UNLOCK (smpte);
/* run the type specific filter code */
smpte->process (smpte, GST_BUFFER_DATA (in), GST_BUFFER_DATA (out),
smpte->mask, smpte->width, smpte->height, border,
((1 << smpte->depth) + border) * position);
return GST_FLOW_OK;
/* ERRORS */
not_negotiated:
{
GST_ELEMENT_ERROR (smpte, CORE, NEGOTIATION, (NULL),
("No input format negotiated"));
return GST_FLOW_NOT_NEGOTIATED;
}
}
static void
gst_smpte_alpha_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstSMPTEAlpha *smpte = GST_SMPTE_ALPHA (object);
switch (prop_id) {
case PROP_TYPE:{
gint type;
type = g_value_get_enum (value);
GST_OBJECT_LOCK (smpte);
gst_smpte_alpha_update_mask (smpte, type, smpte->invert,
smpte->depth, smpte->width, smpte->height);
GST_OBJECT_UNLOCK (smpte);
break;
}
case PROP_BORDER:
GST_OBJECT_LOCK (smpte);
smpte->border = g_value_get_int (value);
GST_OBJECT_UNLOCK (smpte);
break;
case PROP_DEPTH:{
gint depth;
depth = g_value_get_int (value);
GST_OBJECT_LOCK (smpte);
gst_smpte_alpha_update_mask (smpte, smpte->type, smpte->invert,
depth, smpte->width, smpte->height);
GST_OBJECT_UNLOCK (smpte);
break;
}
case PROP_POSITION:
GST_OBJECT_LOCK (smpte);
smpte->position = g_value_get_double (value);
GST_OBJECT_UNLOCK (smpte);
break;
case PROP_INVERT:{
gboolean invert;
invert = g_value_get_boolean (value);
GST_OBJECT_LOCK (smpte);
gst_smpte_alpha_update_mask (smpte, smpte->type, invert,
smpte->depth, smpte->width, smpte->height);
GST_OBJECT_UNLOCK (smpte);
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_smpte_alpha_before_transform (GstBaseTransform * trans, GstBuffer * buf)
{
GstSMPTEAlpha *smpte = GST_SMPTE_ALPHA (trans);
GstClockTime timestamp, stream_time;
/* first sync the controller to the current stream_time of the buffer */
timestamp = GST_BUFFER_TIMESTAMP (buf);
stream_time =
gst_segment_to_stream_time (&trans->segment, GST_FORMAT_TIME, timestamp);
GST_DEBUG_OBJECT (smpte, "sync to %" GST_TIME_FORMAT,
GST_TIME_ARGS (timestamp));
if (GST_CLOCK_TIME_IS_VALID (stream_time))
gst_object_sync_values (GST_OBJECT (smpte), stream_time);
}
static void
gst_smpte_alpha_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstSMPTEAlpha *smpte;
smpte = GST_SMPTE_ALPHA (object);
switch (prop_id) {
case PROP_TYPE:
GST_OBJECT_LOCK (smpte);
g_value_set_enum (value, smpte->type);
GST_OBJECT_UNLOCK (smpte);
break;
case PROP_BORDER:
GST_OBJECT_LOCK (smpte);
g_value_set_int (value, smpte->border);
GST_OBJECT_UNLOCK (smpte);
break;
case PROP_DEPTH:
GST_OBJECT_LOCK (smpte);
g_value_set_int (value, smpte->depth);
GST_OBJECT_UNLOCK (smpte);
break;
case PROP_POSITION:
GST_OBJECT_LOCK (smpte);
g_value_set_double (value, smpte->position);
GST_OBJECT_UNLOCK (smpte);
break;
case PROP_INVERT:
GST_OBJECT_LOCK (smpte);
g_value_set_boolean (value, smpte->invert);
GST_OBJECT_UNLOCK (smpte);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
gst_smpte_alpha_set_info (GstVideoFilter * vfilter, GstCaps * incaps,
GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info)
{
GstSMPTEAlpha *smpte = GST_SMPTE_ALPHA (vfilter);
gboolean ret;
gint width, height;
smpte->process = NULL;
smpte->in_format = GST_VIDEO_INFO_FORMAT (in_info);
smpte->out_format = GST_VIDEO_INFO_FORMAT (out_info);
smpte->width = width = GST_VIDEO_INFO_WIDTH (out_info);
smpte->height = height = GST_VIDEO_INFO_HEIGHT (out_info);
/* try to update the mask now, this will also adjust the width/height on
* success */
GST_OBJECT_LOCK (smpte);
ret =
gst_smpte_alpha_update_mask (smpte, smpte->type, smpte->invert,
smpte->depth, width, height);
GST_OBJECT_UNLOCK (smpte);
if (!ret)
goto mask_failed;
switch (smpte->out_format) {
case GST_VIDEO_FORMAT_AYUV:
switch (smpte->in_format) {
case GST_VIDEO_FORMAT_AYUV:
smpte->process = gst_smpte_alpha_process_ayuv_ayuv;
break;
case GST_VIDEO_FORMAT_I420:
smpte->process = gst_smpte_alpha_process_i420_ayuv;
break;
default:
break;
}
break;
case GST_VIDEO_FORMAT_ARGB:
switch (smpte->in_format) {
case GST_VIDEO_FORMAT_ARGB:
smpte->process = gst_smpte_alpha_process_argb_argb;
break;
default:
break;
}
break;
case GST_VIDEO_FORMAT_RGBA:
switch (smpte->in_format) {
case GST_VIDEO_FORMAT_RGBA:
smpte->process = gst_smpte_alpha_process_rgba_rgba;
break;
default:
break;
}
break;
case GST_VIDEO_FORMAT_ABGR:
switch (smpte->in_format) {
case GST_VIDEO_FORMAT_ABGR:
smpte->process = gst_smpte_alpha_process_abgr_abgr;
break;
default:
break;
}
break;
case GST_VIDEO_FORMAT_BGRA:
switch (smpte->in_format) {
case GST_VIDEO_FORMAT_BGRA:
smpte->process = gst_smpte_alpha_process_bgra_bgra;
break;
default:
break;
}
break;
default:
break;
}
return ret;
/* ERRORS */
mask_failed:
{
GST_ERROR_OBJECT (smpte, "failed creating the mask");
return FALSE;
}
}
static gboolean
gst_smpte_alpha_setcaps (GstBaseTransform * btrans, GstCaps * incaps,
GstCaps * outcaps)
{
GstSMPTEAlpha *smpte = GST_SMPTE_ALPHA (btrans);
gboolean ret;
gint width, height;
smpte->process = NULL;
if (!gst_video_format_parse_caps (incaps, &smpte->in_format, &width, &height))
goto invalid_caps;
if (!gst_video_format_parse_caps (outcaps, &smpte->out_format, &width,
&height))
goto invalid_caps;
/* try to update the mask now, this will also adjust the width/height on
* success */
GST_OBJECT_LOCK (smpte);
ret =
gst_smpte_alpha_update_mask (smpte, smpte->type, smpte->invert,
smpte->depth, width, height);
GST_OBJECT_UNLOCK (smpte);
if (!ret)
goto mask_failed;
switch (smpte->out_format) {
case GST_VIDEO_FORMAT_AYUV:
switch (smpte->in_format) {
case GST_VIDEO_FORMAT_AYUV:
smpte->process = gst_smpte_alpha_process_ayuv_ayuv;
break;
case GST_VIDEO_FORMAT_I420:
smpte->process = gst_smpte_alpha_process_i420_ayuv;
break;
default:
break;
}
break;
case GST_VIDEO_FORMAT_ARGB:
switch (smpte->in_format) {
case GST_VIDEO_FORMAT_ARGB:
smpte->process = gst_smpte_alpha_process_argb_argb;
break;
default:
break;
}
break;
case GST_VIDEO_FORMAT_RGBA:
switch (smpte->in_format) {
case GST_VIDEO_FORMAT_RGBA:
smpte->process = gst_smpte_alpha_process_rgba_rgba;
break;
default:
break;
}
break;
case GST_VIDEO_FORMAT_ABGR:
switch (smpte->in_format) {
case GST_VIDEO_FORMAT_ABGR:
smpte->process = gst_smpte_alpha_process_abgr_abgr;
break;
default:
break;
}
break;
case GST_VIDEO_FORMAT_BGRA:
switch (smpte->in_format) {
case GST_VIDEO_FORMAT_BGRA:
smpte->process = gst_smpte_alpha_process_bgra_bgra;
break;
default:
break;
}
break;
default:
break;
}
return ret;
/* ERRORS */
invalid_caps:
{
GST_ERROR_OBJECT (smpte, "Invalid caps: %" GST_PTR_FORMAT, incaps);
return FALSE;
}
mask_failed:
{
GST_ERROR_OBJECT (smpte, "failed creating the mask");
return FALSE;
}
}
