static gboolean
activate_vpp (GstVaapiDecodeBin * vaapidecbin)
{
GstElement *src;
if (vaapidecbin->ghost_pad_src || vaapidecbin->postproc)
return TRUE;
if (!vaapidecbin->has_vpp || vaapidecbin->disable_vpp) {
src = vaapidecbin->queue;
goto connect_src_ghost_pad;
}
/* create the postproc */
vaapidecbin->postproc =
gst_element_factory_make ("vaapipostproc", "vaapipostproc");
if (!vaapidecbin->postproc)
goto error_element_missing;
g_object_set (G_OBJECT (vaapidecbin->postproc), "deinterlace-method",
vaapidecbin->deinterlace_method, NULL);
gst_bin_add (GST_BIN (vaapidecbin), vaapidecbin->postproc);
if (!gst_element_link_pads_full (vaapidecbin->queue, "src",
vaapidecbin->postproc, "sink", GST_PAD_LINK_CHECK_NOTHING))
goto error_link_pad;
GST_DEBUG_OBJECT (vaapidecbin, "Enabling VPP");
src = vaapidecbin->postproc;
goto connect_src_ghost_pad;
error_element_missing:
{
post_missing_element_message (vaapidecbin, "vaapipostproc");
return FALSE;
}
error_link_pad:
{
GST_ERROR_OBJECT (vaapidecbin, "Failed to link the child elements");
return FALSE;
}
connect_src_ghost_pad:
{
GstPad *srcpad, *ghostpad;
srcpad = gst_element_get_static_pad (src, "src");
ghostpad = gst_ghost_pad_new ("src", srcpad);
vaapidecbin->ghost_pad_src = ghostpad;
gst_object_unref (srcpad);
gst_element_add_pad (GST_ELEMENT (vaapidecbin), ghostpad);
return TRUE;
}
}
static void
gst_vaapi_decode_bin_init (GstVaapiDecodeBin * vaapidecbin)
{
GstPad *pad, *ghostpad;
vaapidecbin->deinterlace_method = DEFAULT_DEINTERLACE_METHOD;
vaapidecbin->disable_vpp = (g_getenv ("GST_VAAPI_DISABLE_VPP") != NULL);
/* create the decoder */
vaapidecbin->decoder =
g_object_new (g_type_from_name ("GstVaapiDecode"), NULL);
g_assert (vaapidecbin->decoder);
/* create the queue */
vaapidecbin->queue = gst_element_factory_make ("queue", "vaapi-queue");
if (!vaapidecbin->queue) {
g_clear_object (&vaapidecbin->decoder);
post_missing_element_message (vaapidecbin, "queue");
return;
}
gst_bin_add_many (GST_BIN (vaapidecbin), vaapidecbin->decoder,
vaapidecbin->queue, NULL);
if (!gst_element_link (vaapidecbin->decoder, vaapidecbin->queue)) {
g_clear_object (&vaapidecbin->decoder);
g_clear_object (&vaapidecbin->queue);
g_critical ("failed to link decoder and queue");
return;
}
/* create ghost pad sink */
pad = gst_element_get_static_pad (vaapidecbin->decoder, "sink");
ghostpad = gst_ghost_pad_new_from_template ("sink", pad,
GST_PAD_PAD_TEMPLATE (pad));
gst_object_unref (pad);
if (!gst_element_add_pad (GST_ELEMENT (vaapidecbin), ghostpad))
g_critical ("failed to add decoder sink pad to bin");
/* create ghost pad src */
pad = gst_element_get_static_pad (GST_ELEMENT (vaapidecbin->queue), "src");
ghostpad = gst_ghost_pad_new_from_template ("src", pad,
GST_PAD_PAD_TEMPLATE (pad));
gst_object_unref (pad);
if (!gst_element_add_pad (GST_ELEMENT (vaapidecbin), ghostpad))
g_critical ("failed to add queue source pad to bin");
}
static gboolean
gst_vaapi_decode_bin_configure (GstVaapiDecodeBin * vaapidecbin)
{
gchar *missing_factory = NULL;
/* create the decoder */
vaapidecbin->decoder =
gst_element_factory_make ("vaapidecode", "vaapidecode");
if (!vaapidecbin->decoder) {
missing_factory = "vaapidecode";
goto error_element_missing;
}
/* create the queue */
vaapidecbin->queue = gst_element_factory_make ("queue", "queue");
if (!vaapidecbin->queue) {
missing_factory = "queue";
goto error_element_missing;
}
g_object_set (G_OBJECT (vaapidecbin->queue),
"max-size-bytes", vaapidecbin->max_size_bytes,
"max-size-buffers", vaapidecbin->max_size_buffers,
"max-size-time", vaapidecbin->max_size_time, NULL);
gst_bin_add_many (GST_BIN (vaapidecbin),
vaapidecbin->decoder, vaapidecbin->queue, NULL);
if (!gst_element_link_pads_full (vaapidecbin->decoder, "src",
vaapidecbin->queue, "sink", GST_PAD_LINK_CHECK_NOTHING))
goto error_link_pad;
return TRUE;
error_element_missing:
{
post_missing_element_message (vaapidecbin, missing_factory);
return FALSE;
}
error_link_pad:
{
GST_ERROR_OBJECT (vaapidecbin, "Failed to link the child elements");
return FALSE;
}
}
static void
pad_blocked_cb (GstPad * pad, gboolean blocked, GstPlaySinkVideoConvert * self)
{
GstPad *peer;
GstCaps *caps;
gboolean raw;
GST_PLAY_SINK_VIDEO_CONVERT_LOCK (self);
self->sink_proxypad_blocked = blocked;
GST_DEBUG_OBJECT (self, "Pad blocked: %d", blocked);
if (!blocked)
goto done;
/* There must be a peer at this point */
peer = gst_pad_get_peer (self->sinkpad);
caps = gst_pad_get_negotiated_caps (peer);
if (!caps)
caps = gst_pad_get_caps_reffed (peer);
gst_object_unref (peer);
raw = is_raw_caps (caps);
GST_DEBUG_OBJECT (self, "Caps %" GST_PTR_FORMAT " are raw: %d", caps, raw);
gst_caps_unref (caps);
if (raw == self->raw)
goto unblock;
self->raw = raw;
if (raw) {
GstBin *bin = GST_BIN_CAST (self);
GstElement *head = NULL, *prev = NULL;
GstPad *pad;
GST_DEBUG_OBJECT (self, "Creating raw conversion pipeline");
gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->sinkpad), NULL);
gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad), NULL);
self->conv = gst_element_factory_make ("ffmpegcolorspace", "conv");
if (self->conv == NULL) {
post_missing_element_message (self, "ffmpegcolorspace");
GST_ELEMENT_WARNING (self, CORE, MISSING_PLUGIN,
(_("Missing element '%s' - check your GStreamer installation."),
"ffmpegcolorspace"), ("video rendering might fail"));
} else {
gst_bin_add (bin, self->conv);
gst_element_sync_state_with_parent (self->conv);
distribute_running_time (self->conv, &self->segment);
prev = head = self->conv;
}
self->scale = gst_element_factory_make ("videoscale", "scale");
if (self->scale == NULL) {
post_missing_element_message (self, "videoscale");
GST_ELEMENT_WARNING (self, CORE, MISSING_PLUGIN,
(_("Missing element '%s' - check your GStreamer installation."),
"videoscale"), ("possibly a liboil version mismatch?"));
} else {
/* Add black borders if necessary to keep the DAR */
g_object_set (self->scale, "add-borders", TRUE, NULL);
gst_bin_add (bin, self->scale);
gst_element_sync_state_with_parent (self->scale);
distribute_running_time (self->scale, &self->segment);
if (prev) {
if (!gst_element_link_pads_full (prev, "src", self->scale, "sink",
GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
goto link_failed;
} else {
head = self->scale;
}
prev = self->scale;
}
if (head) {
pad = gst_element_get_static_pad (head, "sink");
gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->sinkpad), pad);
gst_object_unref (pad);
}
if (prev) {
pad = gst_element_get_static_pad (prev, "src");
gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad), pad);
gst_object_unref (pad);
}
if (!head && !prev) {
gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad),
self->sink_proxypad);
}
GST_DEBUG_OBJECT (self, "Raw conversion pipeline created");
} else {
GstBin *bin = GST_BIN_CAST (self);
GST_DEBUG_OBJECT (self, "Removing raw conversion pipeline");
gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->sinkpad), NULL);
gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad), NULL);
if (self->conv) {
gst_element_set_state (self->conv, GST_STATE_NULL);
gst_bin_remove (bin, self->conv);
self->conv = NULL;
}
if (self->scale) {
gst_element_set_state (self->scale, GST_STATE_NULL);
gst_bin_remove (bin, self->scale);
self->scale = NULL;
}
gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad),
self->sink_proxypad);
GST_DEBUG_OBJECT (self, "Raw conversion pipeline removed");
}
unblock:
gst_pad_set_blocked_async_full (self->sink_proxypad, FALSE,
(GstPadBlockCallback) pad_blocked_cb, gst_object_ref (self),
(GDestroyNotify) gst_object_unref);
done:
GST_PLAY_SINK_VIDEO_CONVERT_UNLOCK (self);
return;
link_failed:
{
GST_ELEMENT_ERROR (self, CORE, PAD,
(NULL), ("Failed to configure the video converter."));
gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad),
self->sink_proxypad);
gst_pad_set_blocked_async_full (self->sink_proxypad, FALSE,
(GstPadBlockCallback) pad_blocked_cb, gst_object_ref (self),
(GDestroyNotify) gst_object_unref);
return;
}
}
static gboolean
gst_vaapi_decode_bin_configure (GstVaapiDecodeBin * vaapidecbin)
{
GstElement *capsfilter;
GstCaps *caps;
GstPad *queue_srcpad, *bin_srcpad, *capsfilter_sinkpad, *vpp_srcpad;
gboolean res;
gboolean has_vpp;
g_object_set (G_OBJECT (vaapidecbin->queue),
"max-size-bytes", vaapidecbin->max_size_bytes,
"max-size-buffers", vaapidecbin->max_size_buffers,
"max-size-time", vaapidecbin->max_size_time, NULL);
if (vaapidecbin->disable_vpp || vaapidecbin->configured)
return TRUE;
has_vpp = _gst_vaapi_has_video_processing;
if (!has_vpp && (vaapidecbin->deinterlace_method ==
GST_VAAPI_DEINTERLACE_METHOD_MOTION_ADAPTIVE
|| vaapidecbin->deinterlace_method ==
GST_VAAPI_DEINTERLACE_METHOD_MOTION_COMPENSATED)) {
GST_ERROR_OBJECT (vaapidecbin,
"Don't have VPP support but advanced deinterlacing selected");
return FALSE;
}
GST_INFO_OBJECT (vaapidecbin, "enabling VPP");
/* capsfilter to avoid negotiation with vaapidecode */
caps = gst_caps_from_string
("video/x-raw(memory:VASurface), format=(string)NV12");
if (!caps)
goto error_cannot_set_caps;
capsfilter = gst_element_factory_make ("capsfilter", NULL);
g_object_set (capsfilter, "caps", caps, NULL);
gst_caps_unref (caps);
/* create the postproc */
vaapidecbin->postproc = gst_element_factory_make ("vaapipostproc", NULL);
if (!vaapidecbin->postproc)
goto error_vpp_missing;
g_object_set (G_OBJECT (vaapidecbin->postproc), "deinterlace-method",
vaapidecbin->deinterlace_method, NULL);
gst_bin_add_many (GST_BIN (vaapidecbin), capsfilter, vaapidecbin->postproc,
NULL);
if (!gst_element_link (capsfilter, vaapidecbin->postproc))
goto error_sync_state;
if (!gst_element_sync_state_with_parent (capsfilter))
goto error_sync_state;
if (!gst_element_sync_state_with_parent (vaapidecbin->postproc))
goto error_sync_state;
/* break source ghost pad target */
bin_srcpad =
gst_element_get_static_pad (GST_ELEMENT_CAST (vaapidecbin), "src");
if (!gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (bin_srcpad), NULL))
goto error_link_pad;
/* link decoder and queue */
queue_srcpad = gst_element_get_static_pad (vaapidecbin->queue, "src");
capsfilter_sinkpad = gst_element_get_static_pad (capsfilter, "sink");
res = (gst_pad_link (queue_srcpad, capsfilter_sinkpad) == GST_PAD_LINK_OK);
gst_object_unref (capsfilter_sinkpad);
gst_object_unref (queue_srcpad);
if (!res)
goto error_link_pad;
/* set vpp source pad as source ghost pad target */
vpp_srcpad = gst_element_get_static_pad (vaapidecbin->postproc, "src");
res = gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (bin_srcpad), vpp_srcpad);
gst_object_unref (vpp_srcpad);
if (!res)
goto error_link_pad;
gst_object_unref (bin_srcpad);
vaapidecbin->configured = TRUE;
return TRUE;
/* ERRORS */
error_cannot_set_caps:
{
GST_ELEMENT_ERROR (vaapidecbin, CORE, PAD,
("Failed to configure caps for VA Surfaces."), (NULL));
return FALSE;
}
error_vpp_missing:
{
post_missing_element_message (vaapidecbin, "vaapipostproc");
return FALSE;
}
error_sync_state:
{
GST_ELEMENT_ERROR (vaapidecbin, CORE, STATE_CHANGE,
("Failed to sync state of vaapipostproc"), (NULL));
return FALSE;
}
error_link_pad:
{
gst_object_unref (bin_srcpad);
GST_ELEMENT_ERROR (vaapidecbin, CORE, PAD,
("Failed to configure the vaapidecodebin."), (NULL));
return FALSE;
}
}
static gboolean
gst_vaapi_decode_bin_configure (GstVaapiDecodeBin * vaapidecbin)
{
gchar *missing_factory = NULL;
GstPad *pad, *ghostpad;
GstPadTemplate *tmpl;
/* create the decoder */
vaapidecbin->decoder =
gst_element_factory_make ("vaapidecode", "vaapidecode");
if (!vaapidecbin->decoder) {
missing_factory = "vaapidecode";
goto error_element_missing;
}
/* create the queue */
vaapidecbin->queue = gst_element_factory_make ("queue", "queue");
if (!vaapidecbin->queue) {
missing_factory = "queue";
goto error_element_missing;
}
g_object_set (G_OBJECT (vaapidecbin->queue),
"max-size-bytes", vaapidecbin->max_size_bytes,
"max-size-buffers", vaapidecbin->max_size_buffers,
"max-size-time", vaapidecbin->max_size_time, NULL);
gst_bin_add_many (GST_BIN (vaapidecbin), vaapidecbin->decoder,
vaapidecbin->queue, NULL);
if (!gst_element_link_many (vaapidecbin->decoder, vaapidecbin->queue, NULL))
goto error_link_pad;
/* create ghost pad sink */
pad = gst_element_get_static_pad (GST_ELEMENT (vaapidecbin->decoder), "sink");
ghostpad = gst_ghost_pad_new_from_template ("sink", pad,
GST_PAD_PAD_TEMPLATE (pad));
gst_object_unref (pad);
if (!gst_element_add_pad (GST_ELEMENT (vaapidecbin), ghostpad))
goto error_adding_pad;
/* create ghost pad src */
pad = gst_element_get_static_pad (GST_ELEMENT (vaapidecbin->queue), "src");
tmpl = gst_static_pad_template_get (&gst_vaapi_decode_bin_src_factory);
ghostpad = gst_ghost_pad_new_from_template ("src", pad, tmpl);
gst_object_unref (pad);
gst_object_unref (tmpl);
if (!gst_element_add_pad (GST_ELEMENT (vaapidecbin), ghostpad))
goto error_adding_pad;
return TRUE;
error_element_missing:
{
post_missing_element_message (vaapidecbin, missing_factory);
return FALSE;
}
error_link_pad:
{
GST_ELEMENT_ERROR (vaapidecbin, CORE, PAD, (NULL),
("Failed to configure the vaapidecodebin."));
return FALSE;
}
error_adding_pad:
{
GST_ELEMENT_ERROR (vaapidecbin, CORE, PAD, (NULL),
("Failed to adding pads."));
return FALSE;
}
}
static gboolean
activate_vpp (GstVaapiDecodeBin * vaapidecbin)
{
GstPad *queue_srcpad, *srcpad, *vpp_sinkpad, *vpp_srcpad;
gboolean res;
if (vaapidecbin->postproc)
return TRUE;
if (vaapidecbin->has_vpp != HAS_VPP_YES || vaapidecbin->disable_vpp)
return TRUE;
GST_DEBUG_OBJECT (vaapidecbin, "Enabling VPP");
/* create the postproc */
vaapidecbin->postproc =
gst_element_factory_make ("vaapipostproc", "vaapipostproc");
if (!vaapidecbin->postproc)
goto error_element_missing;
g_object_set (G_OBJECT (vaapidecbin->postproc), "deinterlace-method",
vaapidecbin->deinterlace_method, NULL);
gst_bin_add (GST_BIN (vaapidecbin), vaapidecbin->postproc);
if (!gst_element_sync_state_with_parent (vaapidecbin->postproc))
goto error_sync_state;
srcpad = gst_element_get_static_pad (GST_ELEMENT_CAST (vaapidecbin), "src");
if (!gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (srcpad), NULL))
goto error_link_pad;
queue_srcpad = gst_element_get_static_pad (vaapidecbin->queue, "src");
vpp_sinkpad = gst_element_get_static_pad (vaapidecbin->postproc, "sink");
res = (gst_pad_link (queue_srcpad, vpp_sinkpad) == GST_PAD_LINK_OK);
gst_object_unref (vpp_sinkpad);
gst_object_unref (queue_srcpad);
if (!res)
goto error_link_pad;
vpp_srcpad = gst_element_get_static_pad (vaapidecbin->postproc, "src");
res = gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (srcpad), vpp_srcpad);
gst_object_unref (vpp_srcpad);
if (!res)
goto error_link_pad;
gst_object_unref (srcpad);
return TRUE;
error_element_missing:
{
post_missing_element_message (vaapidecbin, "vaapipostproc");
return FALSE;
}
error_sync_state:
{
GST_ERROR_OBJECT (vaapidecbin, "Failed to sync VPP state");
return FALSE;
}
error_link_pad:
{
gst_object_unref (srcpad);
GST_ERROR_OBJECT (vaapidecbin, "Failed to link the child elements");
return FALSE;
}
}
