/* GObject vmethod implementations */
static void
gst_vdp_vpp_get_property (GObject * object, guint property_id, GValue * value,
GParamSpec * pspec)
{
GstVdpVideoPostProcess *vpp = GST_VDP_VIDEO_POST_PROCESS (object);
switch (property_id) {
case PROP_FORCE_ASPECT_RATIO:
g_value_set_boolean (value, vpp->force_aspect_ratio);
break;
case PROP_DEINTERLACE_MODE:
g_value_set_enum (value, vpp->mode);
break;
case PROP_DEINTERLACE_METHOD:
g_value_set_enum (value, vpp->method);
break;
case PROP_NOISE_REDUCTION:
g_value_set_float (value, vpp->noise_reduction);
break;
case PROP_SHARPENING:
g_value_set_float (value, vpp->sharpening);
break;
case PROP_INVERSE_TELECINE:
g_value_set_boolean (value, vpp->inverse_telecine);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static GstStateChangeReturn
gst_vdp_vpp_change_state (GstElement * element, GstStateChange transition)
{
GstVdpVideoPostProcess *vpp;
GstStateChangeReturn ret;
vpp = GST_VDP_VIDEO_POST_PROCESS (element);
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:
if (!gst_vdp_vpp_start (vpp))
return GST_STATE_CHANGE_FAILURE;
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
if (!gst_vdp_vpp_stop (vpp))
ret = GST_STATE_CHANGE_FAILURE;
break;
default:
break;
}
return ret;
}
static gboolean
gst_vdp_vpp_src_event (GstPad * pad, GstEvent * event)
{
GstVdpVideoPostProcess *vpp =
GST_VDP_VIDEO_POST_PROCESS (gst_pad_get_parent (pad));
gboolean res;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_QOS:
{
gdouble proportion;
GstClockTimeDiff diff;
GstClockTime timestamp;
gst_event_parse_qos (event, &proportion, &diff, ×tamp);
GST_OBJECT_LOCK (vpp);
vpp->earliest_time = timestamp + diff;
GST_OBJECT_UNLOCK (vpp);
res = gst_pad_event_default (pad, event);
break;
}
default:
res = gst_pad_event_default (pad, event);
}
gst_object_unref (vpp);
return res;
}
static gboolean
gst_vdp_vpp_sink_event (GstPad * pad, GstEvent * event)
{
GstVdpVideoPostProcess *vpp =
GST_VDP_VIDEO_POST_PROCESS (gst_pad_get_parent (pad));
gboolean res;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_STOP:
{
GST_DEBUG_OBJECT (vpp, "flush stop");
gst_vdp_vpp_flush (vpp);
res = gst_pad_push_event (vpp->srcpad, event);
break;
}
default:
res = gst_pad_event_default (pad, event);
}
gst_object_unref (vpp);
return res;
}
static gboolean
gst_vdp_vpp_sink_setcaps (GstPad * pad, GstCaps * caps)
{
GstVdpVideoPostProcess *vpp =
GST_VDP_VIDEO_POST_PROCESS (gst_pad_get_parent (pad));
GstStructure *structure;
GstCaps *output_caps, *allowed_caps, *src_caps;
gboolean res;
/* extract interlaced flag */
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_boolean (structure, "interlaced", &vpp->interlaced);
allowed_caps = gst_pad_get_allowed_caps (vpp->srcpad);
structure = gst_caps_get_structure (allowed_caps, 0);
output_caps = gst_vdp_video_to_output_caps (caps);
src_caps = gst_caps_intersect (output_caps, allowed_caps);
gst_caps_truncate (src_caps);
if (gst_caps_is_empty (src_caps))
goto invalid_caps;
GST_DEBUG ("output_caps: %" GST_PTR_FORMAT " allowed_caps: %" GST_PTR_FORMAT
" src_caps: %" GST_PTR_FORMAT, output_caps, allowed_caps, src_caps);
gst_caps_unref (output_caps);
gst_caps_unref (allowed_caps);
if (gst_vdp_vpp_is_interlaced (vpp)) {
gint fps_n, fps_d;
structure = gst_caps_get_structure (src_caps, 0);
if (!gst_structure_get_fraction (structure, "framerate", &fps_n, &fps_d)) {
gst_caps_unref (src_caps);
goto invalid_caps;
}
gst_fraction_double (&fps_n, &fps_d);
gst_structure_set (structure, "framerate", GST_TYPE_FRACTION, fps_n, fps_d,
NULL);
gst_structure_remove_field (structure, "interlaced");
vpp->field_duration = gst_util_uint64_scale (GST_SECOND, fps_d, fps_n);
}
res = gst_pad_set_caps (vpp->srcpad, src_caps);
done:
gst_object_unref (vpp);
return res;
invalid_caps:
GST_ERROR_OBJECT (vpp, "invalid caps: %" GST_PTR_FORMAT, caps);
res = FALSE;
goto done;
}
static GstFlowReturn
gst_vdp_vpp_sink_bufferalloc (GstPad * pad, guint64 offset, guint size,
GstCaps * caps, GstBuffer ** buf)
{
GstVdpVideoPostProcess *vpp =
GST_VDP_VIDEO_POST_PROCESS (gst_pad_get_parent (pad));
GstVdpOutputBuffer *outbuf;
GstFlowReturn ret = GST_FLOW_ERROR;
GstVdpDevice *device = NULL;
GstStructure *structure;
gint width, height;
gint chroma_type;
if (!vpp->device) {
/* if we haven't got a device yet we must alloc a buffer downstream to get it */
GstCaps *src_caps = gst_pad_get_allowed_caps (vpp->srcpad);
gst_pad_fixate_caps (vpp->srcpad, src_caps);
ret = gst_pad_alloc_buffer (vpp->srcpad, 0, 0, src_caps,
(GstBuffer **) & outbuf);
gst_caps_unref (src_caps);
if (ret != GST_FLOW_OK)
goto error;
device = outbuf->device;
gst_buffer_unref (GST_BUFFER (outbuf));
} else
device = vpp->device;
structure = gst_caps_get_structure (caps, 0);
if (!gst_structure_get_int (structure, "width", &width) ||
!gst_structure_get_int (structure, "height", &height) ||
!gst_structure_get_int (structure, "chroma-type", &chroma_type))
goto error;
*buf = GST_BUFFER (gst_vdp_video_buffer_new (device,
chroma_type, width, height));
if (*buf == NULL)
goto error;
GST_BUFFER_SIZE (*buf) = size;
GST_BUFFER_OFFSET (*buf) = offset;
gst_buffer_set_caps (*buf, caps);
ret = GST_FLOW_OK;
error:
gst_object_unref (vpp);
return ret;
}
static GstCaps *
gst_vdp_vpp_sink_getcaps (GstPad * pad)
{
GstVdpVideoPostProcess *vpp =
GST_VDP_VIDEO_POST_PROCESS (gst_pad_get_parent (pad));
GstCaps *caps;
if (vpp->device)
caps = gst_vdp_video_buffer_get_allowed_video_caps (vpp->device);
else
caps = gst_static_pad_template_get_caps (&sink_template);
gst_object_unref (vpp);
return caps;
}
static gboolean
gst_vdp_vpp_sink_event (GstPad * pad, GstEvent * event)
{
GstVdpVideoPostProcess *vpp =
GST_VDP_VIDEO_POST_PROCESS (gst_pad_get_parent (pad));
gboolean res;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_STOP:
{
GST_DEBUG_OBJECT (vpp, "flush stop");
gst_vdp_vpp_flush (vpp);
res = gst_pad_event_default (pad, event);
break;
}
case GST_EVENT_NEWSEGMENT:
{
gboolean update;
gdouble rate, applied_rate;
GstFormat format;
gint64 start, stop, time;
gst_event_parse_new_segment_full (event, &update, &rate, &applied_rate,
&format, &start, &stop, &time);
GST_OBJECT_LOCK (vpp);
gst_segment_set_newsegment_full (&vpp->segment, update, rate,
applied_rate, format, start, stop, time);
GST_OBJECT_UNLOCK (vpp);
res = gst_pad_event_default (pad, event);
break;
}
default:
res = gst_pad_event_default (pad, event);
}
gst_object_unref (vpp);
return res;
}
static GstCaps *
gst_vdp_vpp_sink_getcaps (GstPad * pad)
{
GstVdpVideoPostProcess *vpp =
GST_VDP_VIDEO_POST_PROCESS (gst_pad_get_parent (pad));
GstCaps *caps;
if (vpp->device) {
caps = gst_vdp_video_buffer_get_allowed_caps (vpp->device);
} else {
GstElementClass *element_class = GST_ELEMENT_GET_CLASS (vpp);
GstPadTemplate *sink_template;
sink_template = gst_element_class_get_pad_template (element_class, "sink");
caps = gst_caps_copy (gst_pad_template_get_caps (sink_template));
}
GST_DEBUG ("returning caps: %" GST_PTR_FORMAT, caps);
gst_object_unref (vpp);
return caps;
}
static GstFlowReturn
gst_vdp_vpp_chain (GstPad * pad, GstBuffer * buffer)
{
GstVdpVideoPostProcess *vpp =
GST_VDP_VIDEO_POST_PROCESS (gst_pad_get_parent (pad));
GstClockTime qostime;
GstFlowReturn ret = GST_FLOW_OK;
GError *err;
GST_DEBUG ("chain");
/* can only do QoS if the segment is in TIME */
if (vpp->segment.format != GST_FORMAT_TIME)
goto no_qos;
/* QOS is done on the running time of the buffer, get it now */
qostime = gst_segment_to_running_time (&vpp->segment, GST_FORMAT_TIME,
GST_BUFFER_TIMESTAMP (buffer));
if (qostime != -1) {
gboolean need_skip;
GstClockTime earliest_time;
/* lock for getting the QoS parameters that are set (in a different thread)
* with the QOS events */
GST_OBJECT_LOCK (vpp);
earliest_time = vpp->earliest_time;
/* check for QoS, don't perform conversion for buffers
* that are known to be late. */
need_skip = GST_CLOCK_TIME_IS_VALID (earliest_time) && qostime != -1 &&
qostime <= earliest_time;
GST_OBJECT_UNLOCK (vpp);
if (need_skip) {
GST_DEBUG_OBJECT (vpp, "skipping transform: qostime %"
GST_TIME_FORMAT " <= %" GST_TIME_FORMAT,
GST_TIME_ARGS (qostime), GST_TIME_ARGS (earliest_time));
/* mark discont for next buffer */
vpp->discont = TRUE;
gst_buffer_unref (buffer);
return GST_FLOW_OK;
}
}
no_qos:
if (vpp->discont) {
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
vpp->discont = FALSE;
}
if (G_UNLIKELY (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT))) {
GST_DEBUG_OBJECT (vpp, "Received discont buffer");
gst_vdp_vpp_flush (vpp);
}
if (!vpp->native_input) {
GstVdpVideoBuffer *video_buf;
err = NULL;
video_buf =
(GstVdpVideoBuffer *) gst_vdp_buffer_pool_get_buffer (vpp->vpool, &err);
if (G_UNLIKELY (!video_buf))
goto video_buf_error;
if (!gst_vdp_video_buffer_upload (video_buf, buffer, vpp->fourcc,
vpp->width, vpp->height)) {
gst_buffer_unref (GST_BUFFER (video_buf));
GST_ELEMENT_ERROR (vpp, RESOURCE, READ,
("Couldn't upload YUV data to vdpau"), (NULL));
ret = GST_FLOW_ERROR;
goto error;
}
gst_buffer_copy_metadata (GST_BUFFER (video_buf), buffer,
GST_BUFFER_COPY_FLAGS | GST_BUFFER_COPY_TIMESTAMPS);
gst_buffer_unref (buffer);
buffer = GST_BUFFER (video_buf);
}
if (G_UNLIKELY (vpp->mixer == VDP_INVALID_HANDLE)) {
ret = gst_vdp_vpp_create_mixer (vpp);
if (ret != GST_FLOW_OK)
goto error;
}
gst_vdp_vpp_add_buffer (vpp, GST_VDP_VIDEO_BUFFER (buffer));
ret = gst_vdp_vpp_drain (vpp);
done:
gst_object_unref (vpp);
return ret;
error:
gst_buffer_unref (buffer);
goto done;
video_buf_error:
gst_buffer_unref (GST_BUFFER (buffer));
gst_vdp_vpp_post_error (vpp, err);
ret = GST_FLOW_ERROR;
goto done;
}
static gboolean
gst_vdp_vpp_sink_setcaps (GstPad * pad, GstCaps * caps)
{
GstVdpVideoPostProcess *vpp =
GST_VDP_VIDEO_POST_PROCESS (gst_pad_get_parent (pad));
GstStructure *structure;
GstCaps *video_caps = NULL;
gboolean res = FALSE;
GstCaps *allowed_caps, *output_caps, *src_caps;
/* check if the input is non native */
structure = gst_caps_get_structure (caps, 0);
if (gst_structure_has_name (structure, "video/x-raw-yuv")) {
if (!gst_structure_get_fourcc (structure, "format", &vpp->fourcc))
goto done;
vpp->native_input = FALSE;
video_caps = gst_vdp_yuv_to_video_caps (caps);
if (!video_caps)
goto done;
if (!vpp->vpool)
vpp->vpool = gst_vdp_video_buffer_pool_new (vpp->device);
gst_vdp_buffer_pool_set_caps (vpp->vpool, video_caps);
} else {
vpp->native_input = TRUE;
video_caps = gst_caps_ref (caps);
if (vpp->vpool) {
g_object_unref (vpp->vpool);
vpp->vpool = NULL;
}
}
structure = gst_caps_get_structure (video_caps, 0);
if (!gst_structure_get_int (structure, "width", &vpp->width) ||
!gst_structure_get_int (structure, "height", &vpp->height) ||
!gst_structure_get_int (structure, "chroma-type",
(gint *) & vpp->chroma_type))
goto done;
/* get interlaced flag */
gst_structure_get_boolean (structure, "interlaced", &vpp->interlaced);
/* extract par */
if (gst_structure_has_field_typed (structure, "pixel-aspect-ratio",
GST_TYPE_FRACTION)) {
gst_structure_get_fraction (structure, "pixel-aspect-ratio", &vpp->par_n,
&vpp->par_d);
vpp->got_par = TRUE;
} else
vpp->got_par = FALSE;
allowed_caps = gst_pad_get_allowed_caps (vpp->srcpad);
if (G_UNLIKELY (!allowed_caps))
goto null_allowed_caps;
if (G_UNLIKELY (gst_caps_is_empty (allowed_caps)))
goto empty_allowed_caps;
GST_DEBUG ("allowed_caps: %" GST_PTR_FORMAT, allowed_caps);
output_caps = gst_vdp_video_to_output_caps (video_caps);
src_caps = gst_caps_intersect (output_caps, allowed_caps);
gst_caps_unref (allowed_caps);
gst_caps_unref (output_caps);
if (gst_caps_is_empty (src_caps))
goto not_negotiated;
gst_pad_fixate_caps (vpp->srcpad, src_caps);
if (gst_vdp_vpp_is_interlaced (vpp)) {
gint fps_n, fps_d;
if (gst_structure_get_fraction (structure, "framerate", &fps_n, &fps_d)) {
gst_fraction_double (&fps_n, &fps_d);
gst_caps_set_simple (src_caps, "framerate", GST_TYPE_FRACTION, fps_n,
fps_d, NULL);
vpp->field_duration = gst_util_uint64_scale (GST_SECOND, fps_d, fps_n);
}
gst_caps_set_simple (src_caps, "interlaced", G_TYPE_BOOLEAN, FALSE, NULL);
}
GST_DEBUG ("src_caps: %" GST_PTR_FORMAT, src_caps);
res = gst_pad_set_caps (vpp->srcpad, src_caps);
gst_caps_unref (src_caps);
done:
gst_object_unref (vpp);
if (video_caps)
gst_caps_unref (video_caps);
return res;
null_allowed_caps:
GST_ERROR_OBJECT (vpp, "Got null from gst_pad_get_allowed_caps");
goto done;
empty_allowed_caps:
GST_ERROR_OBJECT (vpp, "Got EMPTY caps from gst_pad_get_allowed_caps");
gst_caps_unref (allowed_caps);
goto done;
not_negotiated:
gst_caps_unref (src_caps);
GST_ERROR_OBJECT (vpp, "Couldn't find suitable output format");
goto done;
}
/* GObject vmethod implementations */
static void
gst_vdp_vpp_set_property (GObject * object, guint property_id,
const GValue * value, GParamSpec * pspec)
{
GstVdpVideoPostProcess *vpp = GST_VDP_VIDEO_POST_PROCESS (object);
switch (property_id) {
case PROP_DISPLAY:
g_free (vpp->display);
vpp->display = g_value_dup_string (value);
break;
case PROP_FORCE_ASPECT_RATIO:
vpp->force_aspect_ratio = g_value_get_boolean (value);
break;
case PROP_DEINTERLACE_MODE:
vpp->mode = g_value_get_enum (value);
break;
case PROP_DEINTERLACE_METHOD:
{
GstVdpDeinterlaceMethods oldvalue;
oldvalue = vpp->method;
vpp->method = g_value_get_enum (value);
if (oldvalue == vpp->method)
break;
if (vpp->mixer != VDP_INVALID_HANDLE) {
if (oldvalue != GST_VDP_DEINTERLACE_METHOD_BOB)
gst_vdp_vpp_activate_deinterlace_method (vpp, oldvalue, FALSE);
if (vpp->method != GST_VDP_DEINTERLACE_METHOD_BOB)
gst_vdp_vpp_activate_deinterlace_method (vpp, oldvalue, TRUE);
}
break;
}
case PROP_NOISE_REDUCTION:
{
gfloat old_value;
old_value = vpp->noise_reduction;
vpp->noise_reduction = g_value_get_float (value);
if (vpp->noise_reduction == old_value)
break;
if (vpp->mixer != VDP_INVALID_HANDLE) {
if (vpp->noise_reduction == 0.0)
gst_vdp_vpp_activate_feature (vpp,
VDP_VIDEO_MIXER_FEATURE_NOISE_REDUCTION, FALSE);
if (old_value == 0.0)
gst_vdp_vpp_activate_feature (vpp,
VDP_VIDEO_MIXER_FEATURE_NOISE_REDUCTION, TRUE);
gst_vdp_vpp_set_attribute_float (vpp,
VDP_VIDEO_MIXER_ATTRIBUTE_NOISE_REDUCTION_LEVEL,
vpp->noise_reduction);
}
break;
}
case PROP_SHARPENING:
{
gfloat old_value;
old_value = vpp->sharpening;
vpp->sharpening = g_value_get_float (value);
if (vpp->sharpening == old_value)
break;
if (vpp->mixer != VDP_INVALID_HANDLE) {
if (vpp->sharpening == 0.0)
gst_vdp_vpp_activate_feature (vpp,
VDP_VIDEO_MIXER_FEATURE_SHARPNESS, FALSE);
if (old_value == 0.0)
gst_vdp_vpp_activate_feature (vpp,
VDP_VIDEO_MIXER_FEATURE_SHARPNESS, TRUE);
gst_vdp_vpp_set_attribute_float (vpp,
VDP_VIDEO_MIXER_ATTRIBUTE_SHARPNESS_LEVEL, vpp->sharpening);
}
break;
}
case PROP_INVERSE_TELECINE:
{
vpp->inverse_telecine = g_value_get_boolean (value);
if (vpp->mixer != VDP_INVALID_HANDLE) {
gst_vdp_vpp_activate_feature (vpp,
VDP_VIDEO_MIXER_FEATURE_INVERSE_TELECINE, vpp->inverse_telecine);
}
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static GstFlowReturn
gst_vdp_vpp_chain (GstPad * pad, GstBuffer * buffer)
{
GstVdpVideoPostProcess *vpp =
GST_VDP_VIDEO_POST_PROCESS (gst_pad_get_parent (pad));
GstFlowReturn ret = GST_FLOW_OK;
GstVdpPicture current_pic;
guint32 video_surfaces_past_count;
VdpVideoSurface video_surfaces_past[MAX_PICTURES];
guint32 video_surfaces_future_count;
VdpVideoSurface video_surfaces_future[MAX_PICTURES];
if (G_UNLIKELY (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT))) {
GST_DEBUG_OBJECT (vpp, "Received discont buffer");
gst_vdp_vpp_flush (vpp);
}
gst_vdp_vpp_add_buffer (vpp, GST_VDP_VIDEO_BUFFER (buffer));
while (gst_vdp_vpp_get_next_picture (vpp,
¤t_pic,
&video_surfaces_past_count, video_surfaces_past,
&video_surfaces_future_count, video_surfaces_future)) {
GstVdpOutputBuffer *outbuf;
GstStructure *structure;
GstVideoRectangle src_r = { 0, }
, dest_r = {
0,};
gint par_n, par_d;
VdpRect rect;
GstVdpDevice *device;
VdpStatus status;
ret =
gst_vdp_vpp_alloc_output_buffer (vpp, GST_PAD_CAPS (vpp->srcpad),
&outbuf);
if (ret != GST_FLOW_OK)
break;
structure = gst_caps_get_structure (GST_BUFFER_CAPS (buffer), 0);
if (!gst_structure_get_int (structure, "width", &src_r.w) ||
!gst_structure_get_int (structure, "height", &src_r.h))
goto invalid_caps;
if (gst_structure_get_fraction (structure, "pixel-aspect-ratio", &par_n,
&par_d)) {
gint new_width;
new_width = gst_util_uint64_scale_int (src_r.w, par_n, par_d);
src_r.x += (src_r.w - new_width) / 2;
src_r.w = new_width;
}
structure = gst_caps_get_structure (GST_BUFFER_CAPS (outbuf), 0);
if (!gst_structure_get_int (structure, "width", &dest_r.w) ||
!gst_structure_get_int (structure, "height", &dest_r.h))
goto invalid_caps;
if (vpp->force_aspect_ratio) {
GstVideoRectangle res_r;
gst_video_sink_center_rect (src_r, dest_r, &res_r, TRUE);
rect.x0 = res_r.x;
rect.x1 = res_r.w + res_r.x;
rect.y0 = res_r.y;
rect.y1 = res_r.h + res_r.y;
} else {
rect.x0 = 0;
rect.x1 = dest_r.w;
rect.y0 = 0;
rect.y1 = dest_r.h;
}
device = vpp->device;
status =
device->vdp_video_mixer_render (vpp->mixer, VDP_INVALID_HANDLE, NULL,
current_pic.structure, video_surfaces_past_count, video_surfaces_past,
current_pic.buf->surface, video_surfaces_future_count,
video_surfaces_future, NULL, outbuf->surface, NULL, &rect, 0, NULL);
if (status != VDP_STATUS_OK) {
GST_ELEMENT_ERROR (vpp, RESOURCE, READ,
("Could not post process frame"),
("Error returned from vdpau was: %s",
device->vdp_get_error_string (status)));
ret = GST_FLOW_ERROR;
goto done;
}
GST_BUFFER_TIMESTAMP (outbuf) = current_pic.timestamp;
if (gst_vdp_vpp_is_interlaced (vpp))
GST_BUFFER_DURATION (outbuf) = vpp->field_duration;
else
GST_BUFFER_DURATION (outbuf) = GST_BUFFER_DURATION (current_pic.buf);
if (GST_BUFFER_FLAG_IS_SET (current_pic.buf, GST_BUFFER_FLAG_DISCONT))
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DISCONT);
if (GST_BUFFER_FLAG_IS_SET (current_pic.buf, GST_BUFFER_FLAG_PREROLL))
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_PREROLL);
if (GST_BUFFER_FLAG_IS_SET (current_pic.buf, GST_BUFFER_FLAG_GAP))
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_GAP);
ret = gst_pad_push (vpp->srcpad, GST_BUFFER (outbuf));
if (ret != GST_FLOW_OK)
break;
continue;
invalid_caps:
gst_buffer_unref (GST_BUFFER (outbuf));
ret = GST_FLOW_ERROR;
break;
}
done:
gst_object_unref (vpp);
return ret;
}
