static GstFlowReturn
gst_shape_wipe_video_sink_chain (GstPad * pad, GstBuffer * buffer)
{
GstShapeWipe *self = GST_SHAPE_WIPE (GST_PAD_PARENT (pad));
GstFlowReturn ret = GST_FLOW_OK;
GstBuffer *mask = NULL, *outbuf = NULL;
GstClockTime timestamp;
gboolean new_outbuf = FALSE;
if (G_UNLIKELY (self->fmt == GST_VIDEO_FORMAT_UNKNOWN))
return GST_FLOW_NOT_NEGOTIATED;
timestamp = GST_BUFFER_TIMESTAMP (buffer);
timestamp =
gst_segment_to_stream_time (&self->segment, GST_FORMAT_TIME, timestamp);
if (GST_CLOCK_TIME_IS_VALID (timestamp))
gst_object_sync_values (G_OBJECT (self), timestamp);
GST_DEBUG_OBJECT (self,
"Blending buffer with timestamp %" GST_TIME_FORMAT " at position %lf",
GST_TIME_ARGS (timestamp), self->mask_position);
g_mutex_lock (self->mask_mutex);
if (!self->mask)
g_cond_wait (self->mask_cond, self->mask_mutex);
if (self->mask == NULL) {
g_mutex_unlock (self->mask_mutex);
gst_buffer_unref (buffer);
return GST_FLOW_UNEXPECTED;
} else {
mask = gst_buffer_ref (self->mask);
}
g_mutex_unlock (self->mask_mutex);
if (!gst_shape_wipe_do_qos (self, GST_BUFFER_TIMESTAMP (buffer))) {
gst_buffer_unref (buffer);
gst_buffer_unref (mask);
return GST_FLOW_OK;
}
/* Try to blend inplace, if it's not possible
* get a new buffer from downstream.
*/
if (!gst_buffer_is_writable (buffer)) {
ret =
gst_pad_alloc_buffer_and_set_caps (self->srcpad, GST_BUFFER_OFFSET_NONE,
GST_BUFFER_SIZE (buffer), GST_PAD_CAPS (self->srcpad), &outbuf);
if (G_UNLIKELY (ret != GST_FLOW_OK)) {
gst_buffer_unref (buffer);
gst_buffer_unref (mask);
return ret;
}
gst_buffer_copy_metadata (outbuf, buffer, GST_BUFFER_COPY_ALL);
new_outbuf = TRUE;
} else {
outbuf = buffer;
}
if (self->fmt == GST_VIDEO_FORMAT_AYUV && self->mask_bpp == 16)
ret = gst_shape_wipe_blend_ayuv_16 (self, buffer, mask, outbuf);
else if (self->fmt == GST_VIDEO_FORMAT_AYUV)
ret = gst_shape_wipe_blend_ayuv_8 (self, buffer, mask, outbuf);
else if (self->fmt == GST_VIDEO_FORMAT_ARGB && self->mask_bpp == 16)
ret = gst_shape_wipe_blend_argb_16 (self, buffer, mask, outbuf);
else if (self->fmt == GST_VIDEO_FORMAT_ARGB)
ret = gst_shape_wipe_blend_argb_8 (self, buffer, mask, outbuf);
else if (self->fmt == GST_VIDEO_FORMAT_BGRA && self->mask_bpp == 16)
ret = gst_shape_wipe_blend_bgra_16 (self, buffer, mask, outbuf);
else if (self->fmt == GST_VIDEO_FORMAT_BGRA)
ret = gst_shape_wipe_blend_bgra_8 (self, buffer, mask, outbuf);
else
g_assert_not_reached ();
gst_buffer_unref (mask);
if (new_outbuf)
gst_buffer_unref (buffer);
if (ret != GST_FLOW_OK) {
gst_buffer_unref (outbuf);
return ret;
}
ret = gst_pad_push (self->srcpad, outbuf);
return ret;
}
static GstFlowReturn
gst_shape_wipe_video_sink_chain (GstPad * pad, GstObject * parent,
GstBuffer * buffer)
{
GstShapeWipe *self = GST_SHAPE_WIPE (parent);
GstFlowReturn ret = GST_FLOW_OK;
GstBuffer *mask = NULL, *outbuf = NULL;
GstClockTime timestamp;
gboolean new_outbuf = FALSE;
GstVideoFrame inframe, outframe, maskframe;
if (G_UNLIKELY (GST_VIDEO_INFO_FORMAT (&self->vinfo) ==
GST_VIDEO_FORMAT_UNKNOWN))
goto not_negotiated;
timestamp = GST_BUFFER_TIMESTAMP (buffer);
timestamp =
gst_segment_to_stream_time (&self->segment, GST_FORMAT_TIME, timestamp);
if (GST_CLOCK_TIME_IS_VALID (timestamp))
gst_object_sync_values (GST_OBJECT (self), timestamp);
GST_LOG_OBJECT (self,
"Blending buffer with timestamp %" GST_TIME_FORMAT " at position %f",
GST_TIME_ARGS (timestamp), self->mask_position);
g_mutex_lock (&self->mask_mutex);
if (self->shutdown)
goto shutdown;
if (!self->mask)
g_cond_wait (&self->mask_cond, &self->mask_mutex);
if (self->mask == NULL || self->shutdown) {
goto shutdown;
} else {
mask = gst_buffer_ref (self->mask);
}
g_mutex_unlock (&self->mask_mutex);
if (!gst_shape_wipe_do_qos (self, GST_BUFFER_TIMESTAMP (buffer)))
goto qos;
/* Try to blend inplace, if it's not possible
* get a new buffer from downstream. */
if (!gst_buffer_is_writable (buffer)) {
outbuf = gst_buffer_new_allocate (NULL, gst_buffer_get_size (buffer), NULL);
gst_buffer_copy_into (outbuf, buffer, GST_BUFFER_COPY_METADATA, 0, -1);
new_outbuf = TRUE;
} else {
outbuf = buffer;
}
gst_video_frame_map (&inframe, &self->vinfo, buffer,
new_outbuf ? GST_MAP_READ : GST_MAP_READWRITE);
gst_video_frame_map (&outframe, &self->vinfo, outbuf,
new_outbuf ? GST_MAP_WRITE : GST_MAP_READWRITE);
gst_video_frame_map (&maskframe, &self->minfo, mask, GST_MAP_READ);
switch (GST_VIDEO_INFO_FORMAT (&self->vinfo)) {
case GST_VIDEO_FORMAT_AYUV:
case GST_VIDEO_FORMAT_ARGB:
case GST_VIDEO_FORMAT_ABGR:
if (self->mask_bpp == 16)
gst_shape_wipe_blend_argb_16 (self, &inframe, &maskframe, &outframe);
else
gst_shape_wipe_blend_argb_8 (self, &inframe, &maskframe, &outframe);
break;
case GST_VIDEO_FORMAT_BGRA:
case GST_VIDEO_FORMAT_RGBA:
if (self->mask_bpp == 16)
gst_shape_wipe_blend_bgra_16 (self, &inframe, &maskframe, &outframe);
else
gst_shape_wipe_blend_bgra_8 (self, &inframe, &maskframe, &outframe);
break;
default:
g_assert_not_reached ();
break;
}
gst_video_frame_unmap (&outframe);
gst_video_frame_unmap (&inframe);
gst_video_frame_unmap (&maskframe);
gst_buffer_unref (mask);
if (new_outbuf)
gst_buffer_unref (buffer);
ret = gst_pad_push (self->srcpad, outbuf);
if (G_UNLIKELY (ret != GST_FLOW_OK))
goto push_failed;
return ret;
/* Errors */
not_negotiated:
{
GST_ERROR_OBJECT (self, "No valid caps yet");
gst_buffer_unref (buffer);
return GST_FLOW_NOT_NEGOTIATED;
}
shutdown:
{
GST_DEBUG_OBJECT (self, "Shutting down");
gst_buffer_unref (buffer);
return GST_FLOW_FLUSHING;
}
qos:
{
GST_DEBUG_OBJECT (self, "Dropping buffer because of QoS");
gst_buffer_unref (buffer);
gst_buffer_unref (mask);
return GST_FLOW_OK;
}
push_failed:
{
GST_ERROR_OBJECT (self, "Pushing buffer downstream failed: %s",
gst_flow_get_name (ret));
return ret;
}
}
static GstFlowReturn
gst_shape_wipe_video_sink_chain (GstPad * pad, GstBuffer * buffer)
{
GstShapeWipe *self = GST_SHAPE_WIPE (GST_PAD_PARENT (pad));
GstFlowReturn ret = GST_FLOW_OK;
GstBuffer *mask = NULL, *outbuf = NULL;
GstClockTime timestamp;
gboolean new_outbuf = FALSE;
if (G_UNLIKELY (self->fmt == GST_VIDEO_FORMAT_UNKNOWN))
goto not_negotiated;
timestamp = GST_BUFFER_TIMESTAMP (buffer);
timestamp =
gst_segment_to_stream_time (&self->segment, GST_FORMAT_TIME, timestamp);
if (GST_CLOCK_TIME_IS_VALID (timestamp))
gst_object_sync_values (G_OBJECT (self), timestamp);
GST_LOG_OBJECT (self,
"Blending buffer with timestamp %" GST_TIME_FORMAT " at position %f",
GST_TIME_ARGS (timestamp), self->mask_position);
g_mutex_lock (self->mask_mutex);
if (self->shutdown)
goto shutdown;
if (!self->mask)
g_cond_wait (self->mask_cond, self->mask_mutex);
if (self->mask == NULL || self->shutdown) {
goto shutdown;
} else {
mask = gst_buffer_ref (self->mask);
}
g_mutex_unlock (self->mask_mutex);
if (!gst_shape_wipe_do_qos (self, GST_BUFFER_TIMESTAMP (buffer)))
goto qos;
/* Try to blend inplace, if it's not possible
* get a new buffer from downstream. */
if (!gst_buffer_is_writable (buffer)) {
ret =
gst_pad_alloc_buffer_and_set_caps (self->srcpad, GST_BUFFER_OFFSET_NONE,
GST_BUFFER_SIZE (buffer), GST_PAD_CAPS (self->srcpad), &outbuf);
if (G_UNLIKELY (ret != GST_FLOW_OK))
goto alloc_failed;
gst_buffer_copy_metadata (outbuf, buffer, GST_BUFFER_COPY_ALL);
new_outbuf = TRUE;
} else {
outbuf = buffer;
}
switch (self->fmt) {
case GST_VIDEO_FORMAT_AYUV:
case GST_VIDEO_FORMAT_ARGB:
case GST_VIDEO_FORMAT_ABGR:
if (self->mask_bpp == 16)
gst_shape_wipe_blend_argb_16 (self, buffer, mask, outbuf);
else
gst_shape_wipe_blend_argb_8 (self, buffer, mask, outbuf);
break;
case GST_VIDEO_FORMAT_BGRA:
case GST_VIDEO_FORMAT_RGBA:
if (self->mask_bpp == 16)
gst_shape_wipe_blend_bgra_16 (self, buffer, mask, outbuf);
else
gst_shape_wipe_blend_bgra_8 (self, buffer, mask, outbuf);
break;
default:
g_assert_not_reached ();
break;
}
gst_buffer_unref (mask);
if (new_outbuf)
gst_buffer_unref (buffer);
ret = gst_pad_push (self->srcpad, outbuf);
if (G_UNLIKELY (ret != GST_FLOW_OK))
goto push_failed;
return ret;
/* Errors */
not_negotiated:
GST_ERROR_OBJECT (self, "No valid caps yet");
gst_buffer_unref (buffer);
return GST_FLOW_NOT_NEGOTIATED;
shutdown:
GST_DEBUG_OBJECT (self, "Shutting down");
gst_buffer_unref (buffer);
return GST_FLOW_WRONG_STATE;
qos:
GST_DEBUG_OBJECT (self, "Dropping buffer because of QoS");
gst_buffer_unref (buffer);
gst_buffer_unref (mask);
return GST_FLOW_OK;
alloc_failed:
GST_ERROR_OBJECT (self, "Buffer allocation from downstream failed: %s",
gst_flow_get_name (ret));
gst_buffer_unref (buffer);
gst_buffer_unref (mask);
return ret;
push_failed:
GST_ERROR_OBJECT (self, "Pushing buffer downstream failed: %s",
gst_flow_get_name (ret));
return ret;
}