static GstFlowReturn
gst_gamma_transform_ip (GstBaseTransform * base, GstBuffer * outbuf)
{
GstGamma *gamma;
guint8 *data;
guint size;
gamma = GST_GAMMA (base);
if (base->passthrough)
goto done;
data = GST_BUFFER_DATA (outbuf);
size = GST_BUFFER_SIZE (outbuf);
if (size != gamma->size)
goto wrong_size;
gst_gamma_planar411_ip (gamma, data,
gamma->height * GST_VIDEO_I420_Y_ROWSTRIDE (gamma->width));
done:
return GST_FLOW_OK;
/* ERRORS */
wrong_size:
{
GST_ELEMENT_ERROR (gamma, STREAM, FORMAT,
(NULL), ("Invalid buffer size %d, expected %d", size, gamma->size));
return GST_FLOW_ERROR;
}
}
static gboolean
gst_gamma_set_caps (GstBaseTransform * base, GstCaps * incaps,
GstCaps * outcaps)
{
GstGamma *this;
GstStructure *structure;
gboolean res;
this = GST_GAMMA (base);
GST_DEBUG_OBJECT (this,
"set_caps: in %" GST_PTR_FORMAT " out %" GST_PTR_FORMAT, incaps, outcaps);
structure = gst_caps_get_structure (incaps, 0);
res = gst_structure_get_int (structure, "width", &this->width);
res &= gst_structure_get_int (structure, "height", &this->height);
if (!res)
goto done;
this->size = GST_VIDEO_I420_SIZE (this->width, this->height);
done:
return res;
}
static gboolean
gst_gamma_set_caps (GstBaseTransform * base, GstCaps * incaps,
GstCaps * outcaps)
{
GstGamma *gamma = GST_GAMMA (base);
GST_DEBUG_OBJECT (gamma,
"setting caps: in %" GST_PTR_FORMAT " out %" GST_PTR_FORMAT, incaps,
outcaps);
if (!gst_video_format_parse_caps (incaps, &gamma->format, &gamma->width,
&gamma->height))
goto invalid_caps;
gamma->size =
gst_video_format_get_size (gamma->format, gamma->width, gamma->height);
switch (gamma->format) {
case GST_VIDEO_FORMAT_I420:
case GST_VIDEO_FORMAT_YV12:
case GST_VIDEO_FORMAT_Y41B:
case GST_VIDEO_FORMAT_Y42B:
case GST_VIDEO_FORMAT_Y444:
case GST_VIDEO_FORMAT_NV12:
case GST_VIDEO_FORMAT_NV21:
gamma->process = gst_gamma_planar_yuv_ip;
break;
case GST_VIDEO_FORMAT_YUY2:
case GST_VIDEO_FORMAT_UYVY:
case GST_VIDEO_FORMAT_AYUV:
case GST_VIDEO_FORMAT_YVYU:
gamma->process = gst_gamma_packed_yuv_ip;
break;
case GST_VIDEO_FORMAT_ARGB:
case GST_VIDEO_FORMAT_ABGR:
case GST_VIDEO_FORMAT_RGBA:
case GST_VIDEO_FORMAT_BGRA:
case GST_VIDEO_FORMAT_xRGB:
case GST_VIDEO_FORMAT_xBGR:
case GST_VIDEO_FORMAT_RGBx:
case GST_VIDEO_FORMAT_BGRx:
case GST_VIDEO_FORMAT_RGB:
case GST_VIDEO_FORMAT_BGR:
gamma->process = gst_gamma_packed_rgb_ip;
break;
default:
goto invalid_caps;
break;
}
return TRUE;
invalid_caps:
GST_ERROR_OBJECT (gamma, "Invalid caps: %" GST_PTR_FORMAT, incaps);
return FALSE;
}
static gboolean
gst_gamma_set_info (GstVideoFilter * vfilter, GstCaps * incaps,
GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info)
{
GstGamma *gamma = GST_GAMMA (vfilter);
GST_DEBUG_OBJECT (gamma,
"setting caps: in %" GST_PTR_FORMAT " out %" GST_PTR_FORMAT, incaps,
outcaps);
switch (GST_VIDEO_INFO_FORMAT (in_info)) {
case GST_VIDEO_FORMAT_I420:
case GST_VIDEO_FORMAT_YV12:
case GST_VIDEO_FORMAT_Y41B:
case GST_VIDEO_FORMAT_Y42B:
case GST_VIDEO_FORMAT_Y444:
case GST_VIDEO_FORMAT_NV12:
case GST_VIDEO_FORMAT_NV21:
gamma->process = gst_gamma_planar_yuv_ip;
break;
case GST_VIDEO_FORMAT_YUY2:
case GST_VIDEO_FORMAT_UYVY:
case GST_VIDEO_FORMAT_AYUV:
case GST_VIDEO_FORMAT_YVYU:
gamma->process = gst_gamma_packed_yuv_ip;
break;
case GST_VIDEO_FORMAT_ARGB:
case GST_VIDEO_FORMAT_ABGR:
case GST_VIDEO_FORMAT_RGBA:
case GST_VIDEO_FORMAT_BGRA:
case GST_VIDEO_FORMAT_xRGB:
case GST_VIDEO_FORMAT_xBGR:
case GST_VIDEO_FORMAT_RGBx:
case GST_VIDEO_FORMAT_BGRx:
case GST_VIDEO_FORMAT_RGB:
case GST_VIDEO_FORMAT_BGR:
gamma->process = gst_gamma_packed_rgb_ip;
break;
default:
goto invalid_caps;
break;
}
return TRUE;
/* ERRORS */
invalid_caps:
{
GST_ERROR_OBJECT (gamma, "Invalid caps: %" GST_PTR_FORMAT, incaps);
return FALSE;
}
}
static void
gst_gamma_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstGamma *gamma = GST_GAMMA (object);
switch (prop_id) {
case PROP_GAMMA:
g_value_set_double (value, gamma->gamma);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_gamma_before_transform (GstBaseTransform * base, GstBuffer * outbuf)
{
GstGamma *gamma = GST_GAMMA (base);
GstClockTime timestamp, stream_time;
timestamp = GST_BUFFER_TIMESTAMP (outbuf);
stream_time =
gst_segment_to_stream_time (&base->segment, GST_FORMAT_TIME, timestamp);
GST_DEBUG_OBJECT (gamma, "sync to %" GST_TIME_FORMAT,
GST_TIME_ARGS (timestamp));
if (GST_CLOCK_TIME_IS_VALID (stream_time))
gst_object_sync_values (GST_OBJECT (gamma), stream_time);
}
static void
gst_gamma_set_property (GObject * object, guint prop_id, const GValue * value,
GParamSpec * pspec)
{
GstGamma *gamma;
g_return_if_fail (GST_IS_GAMMA (object));
gamma = GST_GAMMA (object);
GST_DEBUG ("gst_gamma_set_property");
switch (prop_id) {
case PROP_GAMMA:
gamma->gamma = g_value_get_double (value);
gst_gamma_calculate_tables (gamma);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstFlowReturn
gst_gamma_transform_frame_ip (GstVideoFilter * vfilter, GstVideoFrame * frame)
{
GstGamma *gamma = GST_GAMMA (vfilter);
if (!gamma->process)
goto not_negotiated;
GST_OBJECT_LOCK (gamma);
gamma->process (gamma, frame);
GST_OBJECT_UNLOCK (gamma);
return GST_FLOW_OK;
/* ERRORS */
not_negotiated:
{
GST_ERROR_OBJECT (gamma, "Not negotiated yet");
return GST_FLOW_NOT_NEGOTIATED;
}
}
static GstFlowReturn
gst_gamma_transform_ip (GstBaseTransform * base, GstBuffer * outbuf)
{
GstGamma *gamma = GST_GAMMA (base);
guint8 *data;
guint size;
if (!gamma->process)
goto not_negotiated;
if (base->passthrough)
goto done;
data = GST_BUFFER_DATA (outbuf);
size = GST_BUFFER_SIZE (outbuf);
if (size != gamma->size)
goto wrong_size;
GST_OBJECT_LOCK (gamma);
gamma->process (gamma, data);
GST_OBJECT_UNLOCK (gamma);
done:
return GST_FLOW_OK;
/* ERRORS */
wrong_size:
{
GST_ELEMENT_ERROR (gamma, STREAM, FORMAT,
(NULL), ("Invalid buffer size %d, expected %d", size, gamma->size));
return GST_FLOW_ERROR;
}
not_negotiated:
{
GST_ERROR_OBJECT (gamma, "Not negotiated yet");
return GST_FLOW_NOT_NEGOTIATED;
}
}
static void
gst_gamma_set_property (GObject * object, guint prop_id, const GValue * value,
GParamSpec * pspec)
{
GstGamma *gamma = GST_GAMMA (object);
switch (prop_id) {
case PROP_GAMMA:{
gdouble val = g_value_get_double (value);
GST_DEBUG_OBJECT (gamma, "Changing gamma from %lf to %lf", gamma->gamma,
val);
GST_OBJECT_LOCK (gamma);
gamma->gamma = val;
GST_OBJECT_UNLOCK (gamma);
gst_gamma_calculate_tables (gamma);
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
