/**
* gst_event_new_custom:
* @type: The type of the new event
* @structure: (transfer full): the structure for the event. The event will
* take ownership of the structure.
*
* Create a new custom-typed event. This can be used for anything not
* handled by other event-specific functions to pass an event to another
* element.
*
* Make sure to allocate an event type with the #GST_EVENT_MAKE_TYPE macro,
* assigning a free number and filling in the correct direction and
* serialization flags.
*
* New custom events can also be created by subclassing the event type if
* needed.
*
* Returns: (transfer full): the new custom event.
*/
GstEvent *
gst_event_new_custom (GstEventType type, GstStructure * structure)
{
GstEventImpl *event;
event = g_slice_new0 (GstEventImpl);
GST_CAT_DEBUG (GST_CAT_EVENT, "creating new event %p %s %d", event,
gst_event_type_get_name (type), type);
if (structure) {
/* structure must not have a parent */
if (!gst_structure_set_parent_refcount (structure,
&event->event.mini_object.refcount))
goto had_parent;
}
gst_event_init (event, type);
GST_EVENT_STRUCTURE (event) = structure;
return GST_EVENT_CAST (event);
/* ERRORS */
had_parent:
{
g_slice_free1 (sizeof (GstEventImpl), event);
g_warning ("structure is already owned by another object");
return NULL;
}
}
static gboolean
gst_fake_src_event_handler (GstBaseSrc * basesrc, GstEvent * event)
{
GstFakeSrc *src;
src = GST_FAKE_SRC (basesrc);
if (!src->silent) {
const GstStructure *s;
const gchar *tstr;
gchar *sstr;
GST_OBJECT_LOCK (src);
g_free (src->last_message);
tstr = gst_event_type_get_name (GST_EVENT_TYPE (event));
if ((s = gst_event_get_structure (event)))
sstr = gst_structure_to_string (s);
else
sstr = g_strdup ("");
src->last_message =
g_strdup_printf ("event ******* (%s:%s) E (type: %s (%d), %s) %p",
GST_DEBUG_PAD_NAME (GST_BASE_SRC_CAST (src)->srcpad),
tstr, GST_EVENT_TYPE (event), sstr, event);
g_free (sstr);
GST_OBJECT_UNLOCK (src);
g_object_notify_by_pspec ((GObject *) src, pspec_last_message);
}
return GST_BASE_SRC_CLASS (parent_class)->event (basesrc, event);
}
static gboolean pad_event_handler(GstPad *pad, GstEvent *event) {
// Establish thread-local.
MpfComponent *component = MPF_COMPONENT(GST_OBJECT_PARENT(pad));
mpf_component_set_curcomponent(component);
GstElement *element = gst_pad_get_parent_element(pad);
gchar *elementname = gst_element_get_name(element);
gchar *padname = gst_pad_get_name(pad);
const gchar *eventname = gst_event_type_get_name(event->type);
MPF_PRIVATE_ALWAYS("element=%s pad=%s event=%s\n", elementname, padname,
eventname);
// If EOS, poke a message out of the events pad.
if (event->type == GST_EVENT_EOS) {
GstPad *events = gst_element_get_pad(element, "events");
printf("GstPad *events=%p\n", events);
GString *string = g_string_new("");
g_string_printf(string, "%s: EOS buffer_count=%d\n", elementname,
mpf_private.buffer_count);
mpf_voidstar_push("events", mpf_voidstar_stralloc(string->str));
mpf_voidstar_send_outbuffers();
gst_pad_push_event(events, gst_event_new_eos());
}
g_free(elementname);
g_free(padname);
return gst_pad_event_default(pad, event);
}
static GstPadProbeReturn
accept_eos_probe (GstPad * pad, GstPadProbeInfo * info, gpointer data)
{
GstEvent *event = gst_pad_probe_info_get_event (info);
GstEventType type = GST_EVENT_TYPE (event);
if (type == GST_EVENT_EOS || type == GST_EVENT_FLUSH_START
|| type == GST_EVENT_FLUSH_STOP) {
KmsElement *self;
gboolean accept;
self = KMS_ELEMENT (data);
KMS_ELEMENT_LOCK (self);
accept = self->priv->accept_eos;
KMS_ELEMENT_UNLOCK (self);
if (!accept) {
GST_DEBUG_OBJECT (pad, "Event %s dropped",
gst_event_type_get_name (type));
}
return (accept) ? GST_PAD_PROBE_OK : GST_PAD_PROBE_DROP;
}
return GST_PAD_PROBE_OK;
}
static gboolean
event_func (GstPad * pad, GstEvent * event)
{
GST_DEBUG ("%s event", gst_event_type_get_name (GST_EVENT_TYPE (event)));
events = g_list_append (events, event);
return TRUE;
}
static gboolean
handle_queued_objects (APP_STATE_T * state)
{
GstMiniObject *object = NULL;
g_mutex_lock (&state->queue_lock);
if (state->flushing) {
g_cond_broadcast (&state->cond);
goto beach;
} else if (g_async_queue_length (state->queue) == 0) {
goto beach;
}
if ((object = g_async_queue_try_pop (state->queue))) {
if (GST_IS_BUFFER (object)) {
GstBuffer *buffer = GST_BUFFER_CAST (object);
update_image (state, buffer);
render_scene (state);
gst_buffer_unref (buffer);
if (!SYNC_BUFFERS) {
object = NULL;
}
} else if (GST_IS_QUERY (object)) {
GstQuery *query = GST_QUERY_CAST (object);
GstStructure *s = (GstStructure *) gst_query_get_structure (query);
if (gst_structure_has_name (s, "not-used")) {
g_assert_not_reached ();
} else {
g_assert_not_reached ();
}
} else if (GST_IS_EVENT (object)) {
GstEvent *event = GST_EVENT_CAST (object);
g_print ("\nevent %p %s\n", event,
gst_event_type_get_name (GST_EVENT_TYPE (event)));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
flush_internal (state);
break;
default:
break;
}
gst_event_unref (event);
object = NULL;
}
}
if (object) {
state->popped_obj = object;
g_cond_broadcast (&state->cond);
}
beach:
g_mutex_unlock (&state->queue_lock);
return FALSE;
}
static gboolean
mpegts_base_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
gboolean res = TRUE;
gboolean hard;
MpegTSBase *base = GST_MPEGTS_BASE (parent);
GST_DEBUG_OBJECT (base, "Got event %s",
gst_event_type_get_name (GST_EVENT_TYPE (event)));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEGMENT:
gst_event_copy_segment (event, &base->segment);
GST_DEBUG_OBJECT (base, "Received segment %" GST_SEGMENT_FORMAT,
&base->segment);
/* Check if we need to switch PCR/PTS handling */
if (base->segment.format == GST_FORMAT_TIME) {
base->packetizer->calculate_offset = FALSE;
base->packetizer->calculate_skew = TRUE;
} else {
base->packetizer->calculate_offset = TRUE;
base->packetizer->calculate_skew = FALSE;
}
res = GST_MPEGTS_BASE_GET_CLASS (base)->push_event (base, event);
break;
case GST_EVENT_STREAM_START:
gst_event_unref (event);
break;
case GST_EVENT_EOS:
res = GST_MPEGTS_BASE_GET_CLASS (base)->push_event (base, event);
res = gst_mpegts_base_handle_eos (base);
break;
case GST_EVENT_CAPS:
/* FIXME, do something */
gst_event_unref (event);
break;
case GST_EVENT_FLUSH_STOP:
res = GST_MPEGTS_BASE_GET_CLASS (base)->push_event (base, event);
hard = (base->mode != BASE_MODE_SEEKING);
mpegts_packetizer_flush (base->packetizer, hard);
mpegts_base_flush (base, hard);
gst_segment_init (&base->segment, GST_FORMAT_UNDEFINED);
base->seen_pat = FALSE;
break;
default:
res = GST_MPEGTS_BASE_GET_CLASS (base)->push_event (base, event);
}
/* Always return TRUE for sticky events */
if (GST_EVENT_IS_STICKY (event))
res = TRUE;
return res;
}
static gboolean
gst_fake_sink_event (GstBaseSink * bsink, GstEvent * event)
{
GstFakeSink *sink = GST_FAKE_SINK (bsink);
if (!sink->silent) {
const GstStructure *s;
const gchar *tstr;
gchar *sstr;
GST_OBJECT_LOCK (sink);
g_free (sink->last_message);
if (GST_EVENT_TYPE (event) == GST_EVENT_SINK_MESSAGE) {
GstMessage *msg;
const GstStructure *structure;
gst_event_parse_sink_message (event, &msg);
structure = gst_message_get_structure (msg);
sstr = gst_structure_to_string (structure);
sink->last_message =
g_strdup_printf ("message ******* (%s:%s) M (type: %d, %s) %p",
GST_DEBUG_PAD_NAME (GST_BASE_SINK_CAST (sink)->sinkpad),
GST_MESSAGE_TYPE (msg), sstr, msg);
gst_message_unref (msg);
} else {
tstr = gst_event_type_get_name (GST_EVENT_TYPE (event));
if ((s = gst_event_get_structure (event))) {
sstr = gst_structure_to_string (s);
} else {
sstr = g_strdup ("");
}
sink->last_message =
g_strdup_printf ("event ******* (%s:%s) E (type: %s (%d), %s) %p",
GST_DEBUG_PAD_NAME (GST_BASE_SINK_CAST (sink)->sinkpad),
tstr, GST_EVENT_TYPE (event), sstr, event);
}
g_free (sstr);
GST_OBJECT_UNLOCK (sink);
gst_fake_sink_notify_last_message (sink);
}
return GST_BASE_SINK_CLASS (parent_class)->event (bsink, event);
}
static GstEvent *
gst_event_new (GstEventType type)
{
GstEvent *event;
event = (GstEvent *) gst_mini_object_new (GST_TYPE_EVENT);
GST_CAT_DEBUG (GST_CAT_EVENT, "creating new event %p %s %d", event,
gst_event_type_get_name (type), type);
event->type = type;
event->src = NULL;
event->structure = NULL;
GST_EVENT_SEQNUM (event) = gst_util_seqnum_next ();
return event;
}
static gboolean
gst_teletextdec_sink_event (GstPad * pad, GstEvent * event)
{
gboolean ret;
GstTeletextDec *teletext = GST_TELETEXTDEC (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT (teletext, "got event %s",
gst_event_type_get_name (GST_EVENT_TYPE (event)));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NEWSEGMENT:
/* maybe save and/or update the current segment (e.g. for output
* clipping) or convert the event into one in a different format
* (e.g. BYTES to TIME) or drop it and set a flag to send a newsegment
* event in a different format later */
ret = gst_pad_push_event (teletext->srcpad, event);
break;
case GST_EVENT_EOS:
/* end-of-stream, we should close down all stream leftovers here */
gst_teletextdec_zvbi_clear (teletext);
ret = gst_pad_push_event (teletext->srcpad, event);
break;
case GST_EVENT_FLUSH_STOP:
gst_teletextdec_zvbi_clear (teletext);
gst_teletextdec_zvbi_init (teletext);
ret = gst_pad_push_event (teletext->srcpad, event);
break;
default:
ret = gst_pad_event_default (pad, event);
break;
}
gst_object_unref (teletext);
return ret;
}
static gboolean
gst_identity_sink_event (GstBaseTransform * trans, GstEvent * event)
{
GstIdentity *identity;
gboolean ret = TRUE;
identity = GST_IDENTITY (trans);
if (!identity->silent) {
const GstStructure *s;
const gchar *tstr;
gchar *sstr;
GST_OBJECT_LOCK (identity);
g_free (identity->last_message);
tstr = gst_event_type_get_name (GST_EVENT_TYPE (event));
if ((s = gst_event_get_structure (event)))
sstr = gst_structure_to_string (s);
else
sstr = g_strdup ("");
identity->last_message =
g_strdup_printf ("event ******* (%s:%s) E (type: %s (%d), %s) %p",
GST_DEBUG_PAD_NAME (trans->sinkpad), tstr, GST_EVENT_TYPE (event),
sstr, event);
g_free (sstr);
GST_OBJECT_UNLOCK (identity);
gst_identity_notify_last_message (identity);
}
if (identity->single_segment && (GST_EVENT_TYPE (event) == GST_EVENT_SEGMENT)) {
if (trans->have_segment == FALSE) {
GstEvent *news;
GstSegment segment;
gst_event_copy_segment (event, &segment);
gst_event_copy_segment (event, &trans->segment);
trans->have_segment = TRUE;
/* This is the first segment, send out a (0, -1) segment */
gst_segment_init (&segment, segment.format);
news = gst_event_new_segment (&segment);
gst_pad_event_default (trans->sinkpad, GST_OBJECT_CAST (trans), news);
}
}
/* Reset previous timestamp, duration and offsets on NEWSEGMENT
* to prevent false warnings when checking for perfect streams */
if (GST_EVENT_TYPE (event) == GST_EVENT_SEGMENT) {
identity->prev_timestamp = identity->prev_duration = GST_CLOCK_TIME_NONE;
identity->prev_offset = identity->prev_offset_end = GST_BUFFER_OFFSET_NONE;
}
if (identity->single_segment && GST_EVENT_TYPE (event) == GST_EVENT_SEGMENT) {
/* eat up segments */
gst_event_unref (event);
ret = TRUE;
} else {
if (GST_EVENT_TYPE (event) == GST_EVENT_FLUSH_START) {
GST_OBJECT_LOCK (identity);
if (identity->clock_id) {
GST_DEBUG_OBJECT (identity, "unlock clock wait");
gst_clock_id_unschedule (identity->clock_id);
gst_clock_id_unref (identity->clock_id);
identity->clock_id = NULL;
}
GST_OBJECT_UNLOCK (identity);
}
ret = GST_BASE_TRANSFORM_CLASS (parent_class)->sink_event (trans, event);
}
return ret;
}
static gboolean
handle_queued_objects (APP_STATE_T * state)
{
GstMiniObject *object = NULL;
g_mutex_lock (state->queue_lock);
if (state->flushing) {
g_cond_broadcast (state->cond);
goto beach;
} else if (g_async_queue_length (state->queue) == 0) {
goto beach;
}
if ((object = g_async_queue_try_pop (state->queue))) {
if (GST_IS_BUFFER (object)) {
GstBuffer *buffer = GST_BUFFER_CAST (object);
update_image (state, buffer);
render_scene (state);
gst_buffer_unref (buffer);
if (!SYNC_BUFFERS) {
object = NULL;
}
} else if (GST_IS_QUERY (object)) {
GstQuery *query = GST_QUERY_CAST (object);
GstStructure *s = (GstStructure *) gst_query_get_structure (query);
if (gst_structure_has_name (s, "eglglessink-allocate-eglimage")) {
GstBuffer *buffer;
GstVideoFormat format;
gint width, height;
GValue v = { 0, };
if (!gst_structure_get_enum (s, "format", GST_TYPE_VIDEO_FORMAT,
(gint *) & format)
|| !gst_structure_get_int (s, "width", &width)
|| !gst_structure_get_int (s, "height", &height)) {
g_assert_not_reached ();
}
buffer =
gst_egl_allocate_eglimage (state,
GST_EGL_IMAGE_BUFFER_POOL (state->pool)->allocator, format,
width, height);
g_value_init (&v, G_TYPE_POINTER);
g_value_set_pointer (&v, buffer);
gst_structure_set_value (s, "buffer", &v);
g_value_unset (&v);
} else {
g_assert_not_reached ();
}
} else if (GST_IS_EVENT (object)) {
GstEvent *event = GST_EVENT_CAST (object);
g_print ("\nevent %p %s\n", event,
gst_event_type_get_name (GST_EVENT_TYPE (event)));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
flush_internal (state);
break;
default:
break;
}
gst_event_unref (event);
object = NULL;
}
}
if (object) {
state->popped_obj = object;
g_cond_broadcast (state->cond);
}
beach:
g_mutex_unlock (state->queue_lock);
return FALSE;
}
static GstFlowReturn
gst_gdp_depay_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
{
GstGDPDepay *this;
GstFlowReturn ret = GST_FLOW_OK;
GstCaps *caps;
GstBuffer *buf;
GstEvent *event;
guint available;
this = GST_GDP_DEPAY (parent);
/* On DISCONT, get rid of accumulated data. We assume a buffer after the
* DISCONT contains (part of) a new valid header, if not we error because we
* lost sync */
if (GST_BUFFER_IS_DISCONT (buffer)) {
gst_adapter_clear (this->adapter);
this->state = GST_GDP_DEPAY_STATE_HEADER;
}
gst_adapter_push (this->adapter, buffer);
while (TRUE) {
switch (this->state) {
case GST_GDP_DEPAY_STATE_HEADER:
{
guint8 *header;
/* collect a complete header, validate and store the header. Figure out
* the payload length and switch to the PAYLOAD state */
available = gst_adapter_available (this->adapter);
if (available < GST_DP_HEADER_LENGTH)
goto done;
GST_LOG_OBJECT (this, "reading GDP header from adapter");
header = gst_adapter_take (this->adapter, GST_DP_HEADER_LENGTH);
if (!gst_dp_validate_header (GST_DP_HEADER_LENGTH, header)) {
g_free (header);
goto header_validate_error;
}
/* store types and payload length. Also store the header, which we need
* to make the payload. */
this->payload_length = gst_dp_header_payload_length (header);
this->payload_type = gst_dp_header_payload_type (header);
/* free previous header and store new one. */
g_free (this->header);
this->header = header;
GST_LOG_OBJECT (this,
"read GDP header, payload size %d, payload type %d, switching to state PAYLOAD",
this->payload_length, this->payload_type);
this->state = GST_GDP_DEPAY_STATE_PAYLOAD;
break;
}
case GST_GDP_DEPAY_STATE_PAYLOAD:
{
/* in this state we wait for all the payload data to be available in the
* adapter. Then we switch to the state where we actually process the
* payload. */
available = gst_adapter_available (this->adapter);
if (available < this->payload_length)
goto done;
/* change state based on type */
if (this->payload_type == GST_DP_PAYLOAD_BUFFER) {
GST_LOG_OBJECT (this, "switching to state BUFFER");
this->state = GST_GDP_DEPAY_STATE_BUFFER;
} else if (this->payload_type == GST_DP_PAYLOAD_CAPS) {
GST_LOG_OBJECT (this, "switching to state CAPS");
this->state = GST_GDP_DEPAY_STATE_CAPS;
} else if (this->payload_type >= GST_DP_PAYLOAD_EVENT_NONE) {
GST_LOG_OBJECT (this, "switching to state EVENT");
this->state = GST_GDP_DEPAY_STATE_EVENT;
} else {
goto wrong_type;
}
if (this->payload_length) {
const guint8 *data;
gboolean res;
data = gst_adapter_map (this->adapter, this->payload_length);
res = gst_dp_validate_payload (GST_DP_HEADER_LENGTH, this->header,
data);
gst_adapter_unmap (this->adapter);
if (!res)
goto payload_validate_error;
}
break;
}
case GST_GDP_DEPAY_STATE_BUFFER:
{
/* if we receive a buffer without caps first, we error out */
if (!this->caps)
goto no_caps;
GST_LOG_OBJECT (this, "reading GDP buffer from adapter");
buf = gst_dp_buffer_from_header (GST_DP_HEADER_LENGTH, this->header);
if (!buf)
goto buffer_failed;
/* now take the payload if there is any */
if (this->payload_length > 0) {
GstMapInfo map;
gst_buffer_map (buf, &map, GST_MAP_WRITE);
gst_adapter_copy (this->adapter, map.data, 0, this->payload_length);
gst_buffer_unmap (buf, &map);
gst_adapter_flush (this->adapter, this->payload_length);
}
/* set caps and push */
GST_LOG_OBJECT (this, "deserialized buffer %p, pushing, timestamp %"
GST_TIME_FORMAT ", duration %" GST_TIME_FORMAT
", offset %" G_GINT64_FORMAT ", offset_end %" G_GINT64_FORMAT
", size %" G_GSIZE_FORMAT ", flags 0x%x",
buf,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
GST_TIME_ARGS (GST_BUFFER_DURATION (buf)),
GST_BUFFER_OFFSET (buf), GST_BUFFER_OFFSET_END (buf),
gst_buffer_get_size (buf), GST_BUFFER_FLAGS (buf));
ret = gst_pad_push (this->srcpad, buf);
if (ret != GST_FLOW_OK)
goto push_error;
GST_LOG_OBJECT (this, "switching to state HEADER");
this->state = GST_GDP_DEPAY_STATE_HEADER;
break;
}
case GST_GDP_DEPAY_STATE_CAPS:
{
guint8 *payload;
/* take the payload of the caps */
GST_LOG_OBJECT (this, "reading GDP caps from adapter");
payload = gst_adapter_take (this->adapter, this->payload_length);
caps = gst_dp_caps_from_packet (GST_DP_HEADER_LENGTH, this->header,
payload);
g_free (payload);
if (!caps)
goto caps_failed;
GST_DEBUG_OBJECT (this, "deserialized caps %" GST_PTR_FORMAT, caps);
gst_caps_replace (&(this->caps), caps);
gst_pad_set_caps (this->srcpad, caps);
/* drop the creation ref we still have */
gst_caps_unref (caps);
GST_LOG_OBJECT (this, "switching to state HEADER");
this->state = GST_GDP_DEPAY_STATE_HEADER;
break;
}
case GST_GDP_DEPAY_STATE_EVENT:
{
guint8 *payload;
GST_LOG_OBJECT (this, "reading GDP event from adapter");
/* adapter doesn't like 0 length payload */
if (this->payload_length > 0)
payload = gst_adapter_take (this->adapter, this->payload_length);
else
payload = NULL;
event = gst_dp_event_from_packet (GST_DP_HEADER_LENGTH, this->header,
payload);
g_free (payload);
if (!event)
goto event_failed;
GST_DEBUG_OBJECT (this, "deserialized event %p of type %s, pushing",
event, gst_event_type_get_name (event->type));
gst_pad_push_event (this->srcpad, event);
GST_LOG_OBJECT (this, "switching to state HEADER");
this->state = GST_GDP_DEPAY_STATE_HEADER;
break;
}
}
}
done:
return ret;
/* ERRORS */
header_validate_error:
{
GST_ELEMENT_ERROR (this, STREAM, DECODE, (NULL),
("GDP packet header does not validate"));
ret = GST_FLOW_ERROR;
goto done;
}
payload_validate_error:
{
GST_ELEMENT_ERROR (this, STREAM, DECODE, (NULL),
("GDP packet payload does not validate"));
ret = GST_FLOW_ERROR;
goto done;
}
wrong_type:
{
GST_ELEMENT_ERROR (this, STREAM, DECODE, (NULL),
("GDP packet header is of wrong type"));
ret = GST_FLOW_ERROR;
goto done;
}
no_caps:
{
GST_ELEMENT_ERROR (this, STREAM, DECODE, (NULL),
("Received a buffer without first receiving caps"));
ret = GST_FLOW_NOT_NEGOTIATED;
goto done;
}
buffer_failed:
{
GST_ELEMENT_ERROR (this, STREAM, DECODE, (NULL),
("could not create buffer from GDP packet"));
ret = GST_FLOW_ERROR;
goto done;
}
push_error:
{
GST_WARNING_OBJECT (this, "pushing depayloaded buffer returned %d", ret);
goto done;
}
caps_failed:
{
GST_ELEMENT_ERROR (this, STREAM, DECODE, (NULL),
("could not create caps from GDP packet"));
ret = GST_FLOW_ERROR;
goto done;
}
event_failed:
{
GST_ELEMENT_ERROR (this, STREAM, DECODE, (NULL),
("could not create event from GDP packet"));
ret = GST_FLOW_ERROR;
goto done;
}
}
static gboolean gst_dvbvideosink_event(GstBaseSink *sink, GstEvent *event)
{
GstDVBVideoSink *self = GST_DVBVIDEOSINK (sink);
GST_DEBUG_OBJECT (self, "EVENT %s", gst_event_type_get_name(GST_EVENT_TYPE (event)));
int ret = TRUE;
switch (GST_EVENT_TYPE (event))
{
case GST_EVENT_FLUSH_START:
self->flushing = TRUE;
/* wakeup the poll */
write(self->unlockfd[1], "\x01", 1);
break;
case GST_EVENT_FLUSH_STOP:
if (self->fd >= 0) ioctl(self->fd, VIDEO_CLEAR_BUFFER);
GST_OBJECT_LOCK(self);
self->must_send_header = TRUE;
while (self->queue)
{
queue_pop(&self->queue);
}
self->flushing = FALSE;
GST_OBJECT_UNLOCK(self);
break;
case GST_EVENT_EOS:
{
struct pollfd pfd[2];
pfd[0].fd = self->unlockfd[0];
pfd[0].events = POLLIN;
pfd[1].fd = self->fd;
pfd[1].events = POLLIN;
GST_PAD_PREROLL_UNLOCK(sink->sinkpad);
while (1)
{
int retval = poll(pfd, 2, 250);
if (retval < 0)
{
perror("poll in EVENT_EOS");
ret = FALSE;
break;
}
if (pfd[0].revents & POLLIN)
{
GST_DEBUG_OBJECT (self, "wait EOS aborted!!\n");
ret = FALSE;
break;
}
if (pfd[1].revents & POLLIN)
{
GST_DEBUG_OBJECT (self, "got buffer empty from driver!\n");
break;
}
if (sink->flushing)
{
GST_DEBUG_OBJECT (self, "wait EOS flushing!!\n");
ret = FALSE;
break;
}
}
GST_PAD_PREROLL_LOCK(sink->sinkpad);
break;
}
case GST_EVENT_NEWSEGMENT:
{
GstFormat format;
gboolean update;
gdouble rate;
gint64 start, end, pos;
int skip = 0, repeat = 0;
gst_event_parse_new_segment(event, &update, &rate, &format, &start, &end, &pos);
GST_DEBUG_OBJECT(self, "GST_EVENT_NEWSEGMENT rate=%f\n", rate);
if (format == GST_FORMAT_TIME)
{
self->timestamp_offset = start - pos;
if (rate != self->rate)
{
if (rate > 1.0)
{
skip = (int)rate;
}
else if (rate < 1.0)
{
repeat = 1.0 / rate;
}
ioctl(self->fd, VIDEO_SLOWMOTION, repeat);
ioctl(self->fd, VIDEO_FAST_FORWARD, skip);
self->rate = rate;
}
}
break;
}
default:
break;
}
return ret;
}
