gboolean have_latency;
/* the last buffer we prerolled or rendered. Useful for making snapshots */
- gboolean enable_last_buffer;
+ gint enable_last_buffer; /* atomic */
GstBuffer *last_buffer;
/* caps for pull based scheduling */
/* we have a pending and a current step operation */
GstStepInfo current_step;
GstStepInfo pending_step;
+
+ /* Cached GstClockID */
+ GstClockID cached_clock_id;
};
#define DO_RUNNING_AVG(avg,val,size) (((val) + ((size)-1) * (avg)) / (size))
#define UPDATE_RUNNING_AVG_P(avg,val) DO_RUNNING_AVG(avg,val,16)
#define UPDATE_RUNNING_AVG_N(avg,val) DO_RUNNING_AVG(avg,val,4)
+enum
+{
+ _PR_IS_NOTHING = 1 << 0,
+ _PR_IS_BUFFER = 1 << 1,
+ _PR_IS_BUFFERLIST = 1 << 2,
+ _PR_IS_EVENT = 1 << 3
+} PrivateObjectType;
+
+#define OBJ_IS_BUFFER(a) ((a) & _PR_IS_BUFFER)
+#define OBJ_IS_BUFFERLIST(a) ((a) & _PR_IS_BUFFERLIST)
+#define OBJ_IS_EVENT(a) ((a) & _PR_IS_EVENT)
+#define OBJ_IS_BUFFERFULL(a) ((a) & (_PR_IS_BUFFER | _PR_IS_BUFFERLIST))
+
/* BaseSink properties */
#define DEFAULT_CAN_ACTIVATE_PULL FALSE /* fixme: enable me */
static gboolean gst_base_sink_send_event (GstElement * element,
GstEvent * event);
static gboolean gst_base_sink_query (GstElement * element, GstQuery * query);
+static const GstQueryType *gst_base_sink_get_query_types (GstElement * element);
static GstCaps *gst_base_sink_get_caps (GstBaseSink * sink);
static gboolean gst_base_sink_set_caps (GstBaseSink * sink, GstCaps * caps);
GstMiniObject * obj, GstClockTime start, GstClockTime stop,
GstClockReturn status, GstClockTimeDiff jitter);
static GstFlowReturn gst_base_sink_preroll_object (GstBaseSink * basesink,
- gboolean is_list, GstMiniObject * obj);
+ guint8 obj_type, GstMiniObject * obj);
static void
gst_base_sink_class_init (GstBaseSinkClass * klass)
GST_DEBUG_FUNCPTR (gst_base_sink_change_state);
gstelement_class->send_event = GST_DEBUG_FUNCPTR (gst_base_sink_send_event);
gstelement_class->query = GST_DEBUG_FUNCPTR (gst_base_sink_query);
+ gstelement_class->get_query_types =
+ GST_DEBUG_FUNCPTR (gst_base_sink_get_query_types);
klass->get_caps = GST_DEBUG_FUNCPTR (gst_base_sink_get_caps);
klass->set_caps = GST_DEBUG_FUNCPTR (gst_base_sink_set_caps);
priv->ts_offset = DEFAULT_TS_OFFSET;
priv->render_delay = DEFAULT_RENDER_DELAY;
priv->blocksize = DEFAULT_BLOCKSIZE;
- priv->enable_last_buffer = DEFAULT_ENABLE_LAST_BUFFER;
+ priv->cached_clock_id = NULL;
+ g_atomic_int_set (&priv->enable_last_buffer, DEFAULT_ENABLE_LAST_BUFFER);
GST_OBJECT_FLAG_SET (basesink, GST_ELEMENT_IS_SINK);
}
g_return_if_fail (GST_IS_BASE_SINK (sink));
GST_PAD_PREROLL_LOCK (sink->sinkpad);
- sink->priv->async_enabled = enabled;
+ g_atomic_int_set (&sink->priv->async_enabled, enabled);
GST_LOG_OBJECT (sink, "set async enabled to %d", enabled);
GST_PAD_PREROLL_UNLOCK (sink->sinkpad);
}
g_return_val_if_fail (GST_IS_BASE_SINK (sink), FALSE);
- GST_PAD_PREROLL_LOCK (sink->sinkpad);
- res = sink->priv->async_enabled;
- GST_PAD_PREROLL_UNLOCK (sink->sinkpad);
+ res = g_atomic_int_get (&sink->priv->async_enabled);
return res;
}
static void
gst_base_sink_set_last_buffer (GstBaseSink * sink, GstBuffer * buffer)
{
- GST_OBJECT_LOCK (sink);
- if (sink->priv->enable_last_buffer == FALSE)
- goto out;
+ if (!g_atomic_int_get (&sink->priv->enable_last_buffer))
+ return;
+ GST_OBJECT_LOCK (sink);
gst_base_sink_set_last_buffer_unlocked (sink, buffer);
-
-out:
GST_OBJECT_UNLOCK (sink);
}
{
g_return_if_fail (GST_IS_BASE_SINK (sink));
- GST_OBJECT_LOCK (sink);
- if (enabled != sink->priv->enable_last_buffer) {
- sink->priv->enable_last_buffer = enabled;
- if (!enabled)
- gst_base_sink_set_last_buffer_unlocked (sink, NULL);
+ /* Only take lock if we change the value */
+ if (g_atomic_int_compare_and_exchange (&sink->priv->enable_last_buffer,
+ !enabled, enabled) && !enabled) {
+ GST_OBJECT_LOCK (sink);
+ gst_base_sink_set_last_buffer_unlocked (sink, NULL);
+ GST_OBJECT_UNLOCK (sink);
}
- GST_OBJECT_UNLOCK (sink);
}
/**
gboolean
gst_base_sink_is_last_buffer_enabled (GstBaseSink * sink)
{
- gboolean res;
-
g_return_val_if_fail (GST_IS_BASE_SINK (sink), FALSE);
- GST_OBJECT_LOCK (sink);
- res = sink->priv->enable_last_buffer;
- GST_OBJECT_UNLOCK (sink);
-
- return res;
+ return g_atomic_int_get (&sink->priv->enable_last_buffer);
}
/**
case PROP_PREROLL_QUEUE_LEN:
/* preroll lock necessary to serialize with finish_preroll */
GST_PAD_PREROLL_LOCK (sink->sinkpad);
- sink->preroll_queue_max_len = g_value_get_uint (value);
+ g_atomic_int_set (&sink->preroll_queue_max_len, g_value_get_uint (value));
GST_PAD_PREROLL_UNLOCK (sink->sinkpad);
break;
case PROP_SYNC:
switch (prop_id) {
case PROP_PREROLL_QUEUE_LEN:
- GST_PAD_PREROLL_LOCK (sink->sinkpad);
- g_value_set_uint (value, sink->preroll_queue_max_len);
- GST_PAD_PREROLL_UNLOCK (sink->sinkpad);
+ g_value_set_uint (value, g_atomic_int_get (&sink->preroll_queue_max_len));
break;
case PROP_SYNC:
g_value_set_boolean (value, gst_base_sink_get_sync (sink));
GstClockTime * rsstart, GstClockTime * rsstop,
GstClockTime * rrstart, GstClockTime * rrstop, gboolean * do_sync,
gboolean * stepped, GstSegment * segment, GstStepInfo * step,
- gboolean * step_end)
+ gboolean * step_end, guint8 obj_type)
{
GstBaseSinkClass *bclass;
GstBuffer *buffer;
/* start with nothing */
start = stop = GST_CLOCK_TIME_NONE;
- if (G_UNLIKELY (GST_IS_EVENT (obj))) {
+ if (G_UNLIKELY (OBJ_IS_EVENT (obj_type))) {
GstEvent *event = GST_EVENT_CAST (obj);
switch (GST_EVENT_TYPE (event)) {
eos = FALSE;
+again:
/* else do buffer sync code */
buffer = GST_BUFFER_CAST (obj);
GST_DEBUG_OBJECT (basesink, "flushing step ended");
stop_stepping (basesink, segment, step, rstart, rstop, eos);
*step_end = FALSE;
+ /* re-determine running start times for adjusted segment
+ * (which has a flushed amount of running/accumulated time removed) */
+ if (!GST_IS_EVENT (obj)) {
+ GST_DEBUG_OBJECT (basesink, "refresh sync times");
+ goto again;
+ }
}
/* save times */
}
/* with STREAM_LOCK, PREROLL_LOCK, LOCK
- * adjust a timestamp with the latency and timestamp offset */
+ * adjust a timestamp with the latency and timestamp offset. This function does
+ * not adjust for the render delay. */
static GstClockTime
gst_base_sink_adjust_time (GstBaseSink * basesink, GstClockTime time)
{
} else
time += ts_offset;
+ /* subtract the render delay again, which was included in the latency */
+ if (time > basesink->priv->render_delay)
+ time -= basesink->priv->render_delay;
+ else
+ time = 0;
+
return time;
}
gst_base_sink_wait_clock (GstBaseSink * sink, GstClockTime time,
GstClockTimeDiff * jitter)
{
- GstClockID id;
GstClockReturn ret;
GstClock *clock;
GstClockTime base_time;
/* add base_time to running_time to get the time against the clock */
time += base_time;
- id = gst_clock_new_single_shot_id (clock, time);
+ /* Re-use existing clockid if available */
+ if (G_LIKELY (sink->priv->cached_clock_id != NULL)) {
+ if (!gst_clock_single_shot_id_reinit (clock, sink->priv->cached_clock_id,
+ time)) {
+ gst_clock_id_unref (sink->priv->cached_clock_id);
+ sink->priv->cached_clock_id = gst_clock_new_single_shot_id (clock, time);
+ }
+ } else
+ sink->priv->cached_clock_id = gst_clock_new_single_shot_id (clock, time);
GST_OBJECT_UNLOCK (sink);
/* A blocking wait is performed on the clock. We save the ClockID
* so we can unlock the entry at any time. While we are blocking, we
* release the PREROLL_LOCK so that other threads can interrupt the
* entry. */
- sink->clock_id = id;
+ sink->clock_id = sink->priv->cached_clock_id;
/* release the preroll lock while waiting */
GST_PAD_PREROLL_UNLOCK (sink->sinkpad);
- ret = gst_clock_id_wait (id, jitter);
+ ret = gst_clock_id_wait (sink->priv->cached_clock_id, jitter);
GST_PAD_PREROLL_LOCK (sink->sinkpad);
- gst_clock_id_unref (id);
sink->clock_id = NULL;
return ret;
GstFlowReturn ret;
while (G_UNLIKELY (sink->need_preroll)) {
+ guint8 obj_type = _PR_IS_NOTHING;
GST_DEBUG_OBJECT (sink, "prerolling object %p", obj);
- ret = gst_base_sink_preroll_object (sink, FALSE, obj);
+ if (G_LIKELY (GST_IS_BUFFER (obj)))
+ obj_type = _PR_IS_BUFFER;
+ else if (GST_IS_EVENT (obj))
+ obj_type = _PR_IS_EVENT;
+ else if (GST_IS_BUFFER_LIST (obj))
+ obj_type = _PR_IS_BUFFERLIST;
+
+ ret = gst_base_sink_preroll_object (sink, obj_type, obj);
if (ret != GST_FLOW_OK)
goto preroll_failed;
GST_DEBUG_OBJECT (sink, "checking preroll");
/* first wait for the playing state before we can continue */
- if (G_UNLIKELY (sink->need_preroll)) {
+ while (G_UNLIKELY (sink->need_preroll)) {
ret = gst_base_sink_wait_preroll (sink);
if ((ret != GST_FLOW_OK) && (ret != GST_FLOW_STEP))
goto flushing;
*/
static GstFlowReturn
gst_base_sink_do_sync (GstBaseSink * basesink, GstPad * pad,
- GstMiniObject * obj, gboolean * late, gboolean * step_end)
+ GstMiniObject * obj, gboolean * late, gboolean * step_end, guint8 obj_type)
{
GstClockTimeDiff jitter = 0;
gboolean syncable;
/* get timing information for this object against the render segment */
syncable = gst_base_sink_get_sync_times (basesink, obj,
&sstart, &sstop, &rstart, &rstop, &do_sync, &stepped, &basesink->segment,
- current, step_end);
+ current, step_end, obj_type);
if (G_UNLIKELY (stepped))
goto step_skipped;
* or sync is disabled with GST_CLOCK_BADTIME. */
status = gst_base_sink_wait_clock (basesink, stime, &jitter);
- GST_DEBUG_OBJECT (basesink, "clock returned %d, jitter %" GST_TIME_FORMAT,
- status, GST_TIME_ARGS (jitter));
+ GST_DEBUG_OBJECT (basesink, "clock returned %d, jitter %c%" GST_TIME_FORMAT,
+ status, (jitter < 0 ? '-' : ' '), GST_TIME_ARGS (ABS (jitter)));
/* invalid time, no clock or sync disabled, just render */
if (status == GST_CLOCK_BADTIME)
*/
static GstFlowReturn
gst_base_sink_render_object (GstBaseSink * basesink, GstPad * pad,
- gboolean is_list, gpointer obj)
+ guint8 obj_type, gpointer obj)
{
GstFlowReturn ret;
GstBaseSinkClass *bclass;
priv = basesink->priv;
- if (is_list) {
+ if (OBJ_IS_BUFFERLIST (obj_type)) {
/*
* If buffer list, use the first group buffer within the list
* for syncing
/* synchronize this object, non syncable objects return OK
* immediatly. */
- ret = gst_base_sink_do_sync (basesink, pad, sync_obj, &late, &step_end);
+ ret =
+ gst_base_sink_do_sync (basesink, pad, sync_obj, &late, &step_end,
+ obj_type);
if (G_UNLIKELY (ret != GST_FLOW_OK))
goto sync_failed;
/* and now render, event or buffer/buffer list. */
- if (G_LIKELY (is_list || GST_IS_BUFFER (obj))) {
+ if (G_LIKELY (OBJ_IS_BUFFERFULL (obj_type))) {
/* drop late buffers unconditionally, let's hope it's unlikely */
if (G_UNLIKELY (late))
goto dropped;
bclass = GST_BASE_SINK_GET_CLASS (basesink);
- if (G_LIKELY ((is_list && bclass->render_list) ||
- (!is_list && bclass->render))) {
+ if (G_LIKELY ((OBJ_IS_BUFFERLIST (obj_type) && bclass->render_list) ||
+ (!OBJ_IS_BUFFERLIST (obj_type) && bclass->render))) {
gint do_qos;
/* read once, to get same value before and after */
if (do_qos)
gst_base_sink_do_render_stats (basesink, TRUE);
- if (!is_list) {
+ if (!OBJ_IS_BUFFERLIST (obj_type)) {
GstBuffer *buf;
/* For buffer lists do not set last buffer. Creating buffer
priv->rendered++;
}
- } else if (G_LIKELY (GST_IS_EVENT (obj))) {
+ } else if (G_LIKELY (OBJ_IS_EVENT (obj_type))) {
GstEvent *event = GST_EVENT_CAST (obj);
gboolean event_res = TRUE;
GstEventType type;
* function does not take ownership of obj.
*/
static GstFlowReturn
-gst_base_sink_preroll_object (GstBaseSink * basesink, gboolean is_list,
+gst_base_sink_preroll_object (GstBaseSink * basesink, guint8 obj_type,
GstMiniObject * obj)
{
GstFlowReturn ret;
GST_DEBUG_OBJECT (basesink, "prerolling object %p", obj);
/* if it's a buffer, we need to call the preroll method */
- if (G_LIKELY (is_list || GST_IS_BUFFER (obj)) && basesink->priv->call_preroll) {
+ if (G_LIKELY (OBJ_IS_BUFFERFULL (obj_type) && basesink->priv->call_preroll)) {
GstBaseSinkClass *bclass;
GstBuffer *buf;
GstClockTime timestamp;
- if (is_list) {
+ if (OBJ_IS_BUFFERLIST (obj_type)) {
buf = gst_buffer_list_get (GST_BUFFER_LIST_CAST (obj), 0, 0);
g_assert (NULL != buf);
} else {
* with meaningful data can be done only with memcpy which will
* significantly affect performance
*/
- if (!is_list) {
+ if (!OBJ_IS_BUFFERLIST (obj_type)) {
gst_base_sink_set_last_buffer (basesink, buf);
}
*/
static GstFlowReturn
gst_base_sink_queue_object_unlocked (GstBaseSink * basesink, GstPad * pad,
- gboolean is_list, gpointer obj, gboolean prerollable)
+ guint8 obj_type, gpointer obj, gboolean prerollable)
{
GstFlowReturn ret = GST_FLOW_OK;
gint length;
/* first prerollable item needs to finish the preroll */
if (length == 1) {
- ret = gst_base_sink_preroll_object (basesink, is_list, obj);
+ ret = gst_base_sink_preroll_object (basesink, obj_type, obj);
if (G_UNLIKELY (ret != GST_FLOW_OK))
goto preroll_failed;
}
GST_DEBUG_OBJECT (basesink, "rendering queued object %p", o);
/* do something with the return value */
- ret = gst_base_sink_render_object (basesink, pad, FALSE, o);
+ ret =
+ gst_base_sink_render_object (basesink, pad,
+ GST_IS_BUFFER (o) ? _PR_IS_BUFFER : _PR_IS_EVENT, o);
if (ret != GST_FLOW_OK)
goto dequeue_failed;
}
/* now render the object */
- ret = gst_base_sink_render_object (basesink, pad, is_list, obj);
+ ret = gst_base_sink_render_object (basesink, pad, obj_type, obj);
basesink->preroll_queued = 0;
return ret;
* the queue.
*
* This function takes ownership of obj.
+ *
+ * Note: Only GstEvent seem to be passed to this private method
*/
static GstFlowReturn
gst_base_sink_queue_object (GstBaseSink * basesink, GstPad * pad,
goto was_eos;
ret =
- gst_base_sink_queue_object_unlocked (basesink, pad, FALSE, obj,
+ gst_base_sink_queue_object_unlocked (basesink, pad, _PR_IS_EVENT, obj,
prerollable);
GST_PAD_PREROLL_UNLOCK (pad);
gst_element_lost_state (GST_ELEMENT_CAST (basesink));
} else {
basesink->priv->have_latency = TRUE;
- basesink->need_preroll = FALSE;
}
gst_base_sink_set_last_buffer (basesink, NULL);
GST_PAD_STREAM_UNLOCK (pad);
bclass = GST_BASE_SINK_GET_CLASS (basesink);
- GST_DEBUG_OBJECT (basesink, "event %p (%s)", event,
- GST_EVENT_TYPE_NAME (event));
+ GST_DEBUG_OBJECT (basesink, "reveived event %p %" GST_PTR_FORMAT, event,
+ event);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
/* EOS is a prerollable object, we call the unlocked version because it
* does not check the received_eos flag. */
ret = gst_base_sink_queue_object_unlocked (basesink, pad,
- FALSE, GST_MINI_OBJECT_CAST (event), TRUE);
+ _PR_IS_EVENT, GST_MINI_OBJECT_CAST (event), TRUE);
if (G_UNLIKELY (ret != GST_FLOW_OK))
result = FALSE;
}
ret =
gst_base_sink_queue_object_unlocked (basesink, pad,
- FALSE, GST_MINI_OBJECT_CAST (event), FALSE);
+ _PR_IS_EVENT, GST_MINI_OBJECT_CAST (event), FALSE);
if (G_UNLIKELY (ret != GST_FLOW_OK))
result = FALSE;
else {
*/
static GstFlowReturn
gst_base_sink_chain_unlocked (GstBaseSink * basesink, GstPad * pad,
- gboolean is_list, gpointer obj)
+ guint8 obj_type, gpointer obj)
{
GstBaseSinkClass *bclass;
GstFlowReturn result;
if (G_UNLIKELY (basesink->priv->received_eos))
goto was_eos;
- if (is_list) {
+ if (OBJ_IS_BUFFERLIST (obj_type)) {
time_buf = gst_buffer_list_get (GST_BUFFER_LIST_CAST (obj), 0, 0);
g_assert (NULL != time_buf);
} else {
/* now we can process the buffer in the queue, this function takes ownership
* of the buffer */
result = gst_base_sink_queue_object_unlocked (basesink, pad,
- is_list, obj, TRUE);
+ obj_type, obj, TRUE);
return result;
/* ERRORS */
*/
static GstFlowReturn
gst_base_sink_chain_main (GstBaseSink * basesink, GstPad * pad,
- gboolean is_list, gpointer obj)
+ guint8 obj_type, gpointer obj)
{
GstFlowReturn result;
goto wrong_mode;
GST_PAD_PREROLL_LOCK (pad);
- result = gst_base_sink_chain_unlocked (basesink, pad, is_list, obj);
+ result = gst_base_sink_chain_unlocked (basesink, pad, obj_type, obj);
GST_PAD_PREROLL_UNLOCK (pad);
done:
basesink = GST_BASE_SINK (GST_OBJECT_PARENT (pad));
- return gst_base_sink_chain_main (basesink, pad, FALSE, buf);
+ return gst_base_sink_chain_main (basesink, pad, _PR_IS_BUFFER, buf);
}
static GstFlowReturn
bclass = GST_BASE_SINK_GET_CLASS (basesink);
if (G_LIKELY (bclass->render_list)) {
- result = gst_base_sink_chain_main (basesink, pad, TRUE, list);
+ result = gst_base_sink_chain_main (basesink, pad, _PR_IS_BUFFERLIST, list);
} else {
GstBufferListIterator *it;
GstBuffer *group;
} else {
GST_CAT_INFO_OBJECT (GST_CAT_SCHEDULING, pad, "chaining group");
}
- result = gst_base_sink_chain_main (basesink, pad, FALSE, group);
+ result = gst_base_sink_chain_main (basesink, pad, _PR_IS_BUFFER, group);
} while (result == GST_FLOW_OK
&& gst_buffer_list_iterator_next_group (it));
} else {
GST_CAT_INFO_OBJECT (GST_CAT_SCHEDULING, pad, "chaining empty group");
result =
- gst_base_sink_chain_main (basesink, pad, FALSE, gst_buffer_new ());
+ gst_base_sink_chain_main (basesink, pad, _PR_IS_BUFFER,
+ gst_buffer_new ());
}
gst_buffer_list_iterator_free (it);
gst_buffer_list_unref (list);
gst_segment_set_last_stop (&basesink->segment, GST_FORMAT_BYTES, offset);
GST_PAD_PREROLL_LOCK (pad);
- result = gst_base_sink_chain_unlocked (basesink, pad, FALSE, buf);
+ result = gst_base_sink_chain_unlocked (basesink, pad, _PR_IS_BUFFER, buf);
GST_PAD_PREROLL_UNLOCK (pad);
if (G_UNLIKELY (result != GST_FLOW_OK))
goto paused;
GST_LOG_OBJECT (basesink, "pausing task, reason %s",
gst_flow_get_name (result));
gst_pad_pause_task (pad);
- /* fatal errors and NOT_LINKED cause EOS */
- if (GST_FLOW_IS_FATAL (result) || result == GST_FLOW_NOT_LINKED) {
- if (result == GST_FLOW_UNEXPECTED) {
- /* perform EOS logic */
- if (basesink->segment.flags & GST_SEEK_FLAG_SEGMENT) {
- gst_element_post_message (GST_ELEMENT_CAST (basesink),
- gst_message_new_segment_done (GST_OBJECT_CAST (basesink),
- basesink->segment.format, basesink->segment.last_stop));
- } else {
- gst_base_sink_event (pad, gst_event_new_eos ());
- }
+ if (result == GST_FLOW_UNEXPECTED) {
+ /* perform EOS logic */
+ if (basesink->segment.flags & GST_SEEK_FLAG_SEGMENT) {
+ gst_element_post_message (GST_ELEMENT_CAST (basesink),
+ gst_message_new_segment_done (GST_OBJECT_CAST (basesink),
+ basesink->segment.format, basesink->segment.last_stop));
} else {
- /* for fatal errors we post an error message, post the error
- * first so the app knows about the error first. */
- GST_ELEMENT_ERROR (basesink, STREAM, FAILED,
- (_("Internal data stream error.")),
- ("stream stopped, reason %s", gst_flow_get_name (result)));
gst_base_sink_event (pad, gst_event_new_eos ());
}
+ } else if (result == GST_FLOW_NOT_LINKED || result <= GST_FLOW_UNEXPECTED) {
+ /* for fatal errors we post an error message, post the error
+ * first so the app knows about the error first.
+ * wrong-state is not a fatal error because it happens due to
+ * flushing and posting an error message in that case is the
+ * wrong thing to do, e.g. when basesrc is doing a flushing
+ * seek. */
+ GST_ELEMENT_ERROR (basesink, STREAM, FAILED,
+ (_("Internal data stream error.")),
+ ("stream stopped, reason %s", gst_flow_get_name (result)));
+ gst_base_sink_event (pad, gst_event_new_eos ());
}
return;
}
/* only push UPSTREAM events upstream */
forward = GST_EVENT_IS_UPSTREAM (event);
+ GST_DEBUG_OBJECT (basesink, "handling event %p %" GST_PTR_FORMAT, event,
+ event);
+
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_LATENCY:
{
return result;
}
-/* get the end position of the last seen object, this is used
- * for EOS and for making sure that we don't report a position we
- * have not reached yet. With LOCK. */
-static gboolean
-gst_base_sink_get_position_last (GstBaseSink * basesink, GstFormat format,
- gint64 * cur, gboolean * upstream)
-{
- GstFormat oformat;
- GstSegment *segment;
- gboolean ret = TRUE;
-
- segment = &basesink->segment;
- oformat = segment->format;
-
- if (oformat == GST_FORMAT_TIME) {
- /* return last observed stream time, we keep the stream time around in the
- * time format. */
- *cur = basesink->priv->current_sstop;
- } else {
- /* convert last stop to stream time */
- *cur = gst_segment_to_stream_time (segment, oformat, segment->last_stop);
- }
-
- if (*cur != -1 && oformat != format) {
- GST_OBJECT_UNLOCK (basesink);
- /* convert to the target format if we need to, release lock first */
- ret =
- gst_pad_query_convert (basesink->sinkpad, oformat, *cur, &format, cur);
- if (!ret) {
- *cur = -1;
- *upstream = TRUE;
- }
- GST_OBJECT_LOCK (basesink);
- }
-
- GST_DEBUG_OBJECT (basesink, "POSITION: %" GST_TIME_FORMAT,
- GST_TIME_ARGS (*cur));
-
- return ret;
-}
-
-/* get the position when we are PAUSED, this is the stream time of the buffer
- * that prerolled. If no buffer is prerolled (we are still flushing), this
- * value will be -1. With LOCK. */
-static gboolean
-gst_base_sink_get_position_paused (GstBaseSink * basesink, GstFormat format,
- gint64 * cur, gboolean * upstream)
-{
- gboolean res;
- gint64 time;
- GstSegment *segment;
- GstFormat oformat;
-
- /* we don't use the clip segment in pull mode, when seeking we update the
- * main segment directly with the new segment values without it having to be
- * activated by the rendering after preroll */
- if (basesink->pad_mode == GST_ACTIVATE_PUSH)
- segment = basesink->abidata.ABI.clip_segment;
- else
- segment = &basesink->segment;
- oformat = segment->format;
-
- if (oformat == GST_FORMAT_TIME) {
- *cur = basesink->priv->current_sstart;
- if (segment->rate < 0.0 &&
- GST_CLOCK_TIME_IS_VALID (basesink->priv->current_sstop)) {
- /* for reverse playback we prefer the stream time stop position if we have
- * one */
- *cur = basesink->priv->current_sstop;
- }
- } else {
- *cur = gst_segment_to_stream_time (segment, oformat, segment->last_stop);
- }
-
- time = segment->time;
-
- if (*cur != -1) {
- *cur = MAX (*cur, time);
- GST_DEBUG_OBJECT (basesink, "POSITION as max: %" GST_TIME_FORMAT
- ", time %" GST_TIME_FORMAT, GST_TIME_ARGS (*cur), GST_TIME_ARGS (time));
- } else {
- /* we have no buffer, use the segment times. */
- if (segment->rate >= 0.0) {
- /* forward, next position is always the time of the segment */
- *cur = time;
- GST_DEBUG_OBJECT (basesink, "POSITION as time: %" GST_TIME_FORMAT,
- GST_TIME_ARGS (*cur));
- } else {
- /* reverse, next expected timestamp is segment->stop. We use the function
- * to get things right for negative applied_rates. */
- *cur = gst_segment_to_stream_time (segment, oformat, segment->stop);
- GST_DEBUG_OBJECT (basesink, "reverse POSITION: %" GST_TIME_FORMAT,
- GST_TIME_ARGS (*cur));
- }
- }
-
- res = (*cur != -1);
- if (res && oformat != format) {
- GST_OBJECT_UNLOCK (basesink);
- res =
- gst_pad_query_convert (basesink->sinkpad, oformat, *cur, &format, cur);
- if (!res) {
- *cur = -1;
- *upstream = TRUE;
- }
- GST_OBJECT_LOCK (basesink);
- }
-
- return res;
-}
-
static gboolean
gst_base_sink_get_position (GstBaseSink * basesink, GstFormat format,
gint64 * cur, gboolean * upstream)
{
- GstClock *clock;
+ GstClock *clock = NULL;
gboolean res = FALSE;
GstFormat oformat, tformat;
+ GstSegment *segment;
GstClockTime now, latency;
GstClockTimeDiff base;
gint64 time, accum, duration;
gdouble rate;
gint64 last;
+ gboolean last_seen, with_clock, in_paused;
GST_OBJECT_LOCK (basesink);
- /* our intermediate time format */
- tformat = GST_FORMAT_TIME;
- /* get the format in the segment */
- oformat = basesink->segment.format;
-
- /* can only give answer based on the clock if not EOS */
- if (G_UNLIKELY (basesink->eos))
- goto in_eos;
-
/* we can only get the segment when we are not NULL or READY */
if (!basesink->have_newsegment)
goto wrong_state;
+ in_paused = FALSE;
/* when not in PLAYING or when we're busy with a state change, we
* cannot read from the clock so we report time based on the
* last seen timestamp. */
if (GST_STATE (basesink) != GST_STATE_PLAYING ||
- GST_STATE_PENDING (basesink) != GST_STATE_VOID_PENDING)
- goto in_pause;
+ GST_STATE_PENDING (basesink) != GST_STATE_VOID_PENDING) {
+ in_paused = TRUE;
+ }
+
+ /* we don't use the clip segment in pull mode, when seeking we update the
+ * main segment directly with the new segment values without it having to be
+ * activated by the rendering after preroll */
+ if (basesink->pad_mode == GST_ACTIVATE_PUSH)
+ segment = basesink->abidata.ABI.clip_segment;
+ else
+ segment = &basesink->segment;
+
+ /* our intermediate time format */
+ tformat = GST_FORMAT_TIME;
+ /* get the format in the segment */
+ oformat = segment->format;
- /* we need to sync on the clock. */
+ /* report with last seen position when EOS */
+ last_seen = basesink->eos;
+
+ /* assume we will use the clock for getting the current position */
+ with_clock = TRUE;
if (basesink->sync == FALSE)
- goto no_sync;
+ with_clock = FALSE;
/* and we need a clock */
if (G_UNLIKELY ((clock = GST_ELEMENT_CLOCK (basesink)) == NULL))
- goto no_sync;
+ with_clock = FALSE;
+ else
+ gst_object_ref (clock);
/* collect all data we need holding the lock */
- if (GST_CLOCK_TIME_IS_VALID (basesink->segment.time))
- time = basesink->segment.time;
+ if (GST_CLOCK_TIME_IS_VALID (segment->time))
+ time = segment->time;
else
time = 0;
- if (GST_CLOCK_TIME_IS_VALID (basesink->segment.stop))
- duration = basesink->segment.stop - basesink->segment.start;
+ if (GST_CLOCK_TIME_IS_VALID (segment->stop))
+ duration = segment->stop - segment->start;
else
duration = 0;
- base = GST_ELEMENT_CAST (basesink)->base_time;
- accum = basesink->segment.accum;
- rate = basesink->segment.rate * basesink->segment.applied_rate;
+ accum = segment->accum;
+ rate = segment->rate * segment->applied_rate;
latency = basesink->priv->latency;
- gst_object_ref (clock);
+ if (oformat == GST_FORMAT_TIME) {
+ gint64 start, stop;
- /* this function might release the LOCK */
- gst_base_sink_get_position_last (basesink, format, &last, upstream);
+ start = basesink->priv->current_sstart;
+ stop = basesink->priv->current_sstop;
+
+ if (in_paused) {
+ /* in paused we use the last position as a lower bound */
+ if (stop == -1 || segment->rate > 0.0)
+ last = start;
+ else
+ last = stop;
+ } else {
+ /* in playing, use last stop time as upper bound */
+ if (start == -1 || segment->rate > 0.0)
+ last = stop;
+ else
+ last = start;
+ }
+ } else {
+ /* convert last stop to stream time */
+ last = gst_segment_to_stream_time (segment, oformat, segment->last_stop);
+ }
+
+ if (in_paused) {
+ /* in paused, use start_time */
+ base = GST_ELEMENT_START_TIME (basesink);
+ GST_DEBUG_OBJECT (basesink, "in paused, using start time %" GST_TIME_FORMAT,
+ GST_TIME_ARGS (base));
+ } else if (with_clock) {
+ /* else use clock when needed */
+ base = GST_ELEMENT_CAST (basesink)->base_time;
+ GST_DEBUG_OBJECT (basesink, "using clock and base time %" GST_TIME_FORMAT,
+ GST_TIME_ARGS (base));
+ } else {
+ /* else, no sync or clock -> no base time */
+ GST_DEBUG_OBJECT (basesink, "no sync or no clock");
+ base = -1;
+ }
+
+ /* no base, we can't calculate running_time, use last seem timestamp to report
+ * time */
+ if (base == -1)
+ last_seen = TRUE;
/* need to release the object lock before we can get the time,
* a clock might take the LOCK of the provider, which could be
* a basesink subclass. */
GST_OBJECT_UNLOCK (basesink);
- now = gst_clock_get_time (clock);
-
- if (oformat != tformat) {
- /* convert accum, time and duration to time */
- if (!gst_pad_query_convert (basesink->sinkpad, oformat, accum, &tformat,
- &accum))
- goto convert_failed;
- if (!gst_pad_query_convert (basesink->sinkpad, oformat, duration, &tformat,
- &duration))
- goto convert_failed;
- if (!gst_pad_query_convert (basesink->sinkpad, oformat, time, &tformat,
- &time))
- goto convert_failed;
- }
-
- /* subtract base time and accumulated time from the clock time.
- * Make sure we don't go negative. This is the current time in
- * the segment which we need to scale with the combined
- * rate and applied rate. */
- base += accum;
- base += latency;
- if (GST_CLOCK_DIFF (base, now) < 0)
- base = now;
-
- /* for negative rates we need to count back from the segment
- * duration. */
- if (rate < 0.0)
- time += duration;
-
- *cur = time + gst_guint64_to_gdouble (now - base) * rate;
+ if (last_seen) {
+ /* in EOS or when no valid stream_time, report the value of last seen
+ * timestamp */
+ if (last == -1) {
+ /* no timestamp, we need to ask upstream */
+ GST_DEBUG_OBJECT (basesink, "no last seen timestamp, asking upstream");
+ res = FALSE;
+ *upstream = TRUE;
+ goto done;
+ }
+ GST_DEBUG_OBJECT (basesink, "using last seen timestamp %" GST_TIME_FORMAT,
+ GST_TIME_ARGS (last));
+ *cur = last;
+ } else {
+ if (oformat != tformat) {
+ /* convert accum, time and duration to time */
+ if (!gst_pad_query_convert (basesink->sinkpad, oformat, accum, &tformat,
+ &accum))
+ goto convert_failed;
+ if (!gst_pad_query_convert (basesink->sinkpad, oformat, duration,
+ &tformat, &duration))
+ goto convert_failed;
+ if (!gst_pad_query_convert (basesink->sinkpad, oformat, time, &tformat,
+ &time))
+ goto convert_failed;
+ if (!gst_pad_query_convert (basesink->sinkpad, oformat, last, &tformat,
+ &last))
+ goto convert_failed;
+
+ /* assume time format from now on */
+ oformat = tformat;
+ }
- /* never report more than last seen position */
- if (last != -1)
- *cur = MIN (last, *cur);
+ if (!in_paused && with_clock) {
+ now = gst_clock_get_time (clock);
+ } else {
+ now = base;
+ base = 0;
+ }
- gst_object_unref (clock);
+ /* subtract base time and accumulated time from the clock time.
+ * Make sure we don't go negative. This is the current time in
+ * the segment which we need to scale with the combined
+ * rate and applied rate. */
+ base += accum;
+ base += latency;
+ if (GST_CLOCK_DIFF (base, now) < 0)
+ base = now;
+
+ /* for negative rates we need to count back from the segment
+ * duration. */
+ if (rate < 0.0)
+ time += duration;
+
+ *cur = time + gst_guint64_to_gdouble (now - base) * rate;
+
+ if (in_paused) {
+ /* never report less than segment values in paused */
+ if (last != -1)
+ *cur = MAX (last, *cur);
+ } else {
+ /* never report more than last seen position in playing */
+ if (last != -1)
+ *cur = MIN (last, *cur);
+ }
- GST_DEBUG_OBJECT (basesink,
- "now %" GST_TIME_FORMAT " - base %" GST_TIME_FORMAT " - accum %"
- GST_TIME_FORMAT " + time %" GST_TIME_FORMAT,
- GST_TIME_ARGS (now), GST_TIME_ARGS (base),
- GST_TIME_ARGS (accum), GST_TIME_ARGS (time));
+ GST_DEBUG_OBJECT (basesink,
+ "now %" GST_TIME_FORMAT " - base %" GST_TIME_FORMAT " - accum %"
+ GST_TIME_FORMAT " + time %" GST_TIME_FORMAT " last %" GST_TIME_FORMAT,
+ GST_TIME_ARGS (now), GST_TIME_ARGS (base), GST_TIME_ARGS (accum),
+ GST_TIME_ARGS (time), GST_TIME_ARGS (last));
+ }
if (oformat != format) {
- /* convert time to final format */
- if (!gst_pad_query_convert (basesink->sinkpad, tformat, *cur, &format, cur))
+ /* convert to final format */
+ if (!gst_pad_query_convert (basesink->sinkpad, oformat, *cur, &format, cur))
goto convert_failed;
}
done:
GST_DEBUG_OBJECT (basesink, "res: %d, POSITION: %" GST_TIME_FORMAT,
res, GST_TIME_ARGS (*cur));
+
+ if (clock)
+ gst_object_unref (clock);
+
return res;
/* special cases */
-in_eos:
- {
- GST_DEBUG_OBJECT (basesink, "position in EOS");
- res = gst_base_sink_get_position_last (basesink, format, cur, upstream);
- GST_OBJECT_UNLOCK (basesink);
- goto done;
- }
-in_pause:
- {
- GST_DEBUG_OBJECT (basesink, "position in PAUSED");
- res = gst_base_sink_get_position_paused (basesink, format, cur, upstream);
- GST_OBJECT_UNLOCK (basesink);
- goto done;
- }
wrong_state:
{
/* in NULL or READY we always return FALSE and -1 */
GST_OBJECT_UNLOCK (basesink);
goto done;
}
-no_sync:
- {
- /* report last seen timestamp if any, else ask upstream to answer */
- if ((*cur = basesink->priv->current_sstart) != -1)
- res = TRUE;
- else
- *upstream = TRUE;
-
- GST_DEBUG_OBJECT (basesink, "no sync, res %d, POSITION %" GST_TIME_FORMAT,
- res, GST_TIME_ARGS (*cur));
- GST_OBJECT_UNLOCK (basesink);
- return res;
- }
convert_failed:
{
GST_DEBUG_OBJECT (basesink, "convert failed, try upstream");
*upstream = TRUE;
- return FALSE;
+ res = FALSE;
+ goto done;
}
}
return res;
}
+static const GstQueryType *
+gst_base_sink_get_query_types (GstElement * element)
+{
+ static const GstQueryType query_types[] = {
+ GST_QUERY_DURATION,
+ GST_QUERY_POSITION,
+ GST_QUERY_SEGMENT,
+ GST_QUERY_LATENCY,
+ 0
+ };
+
+ return query_types;
+}
+
static gboolean
gst_base_sink_query (GstElement * element, GstQuery * query)
{
break;
case GST_QUERY_SEGMENT:
{
- /* FIXME, bring start/stop to stream time */
- gst_query_set_segment (query, basesink->segment.rate,
- GST_FORMAT_TIME, basesink->segment.start, basesink->segment.stop);
- res = TRUE;
+ if (basesink->pad_mode == GST_ACTIVATE_PULL) {
+ gst_query_set_segment (query, basesink->segment.rate,
+ GST_FORMAT_TIME, basesink->segment.start, basesink->segment.stop);
+ res = TRUE;
+ } else {
+ res = gst_pad_peer_query (basesink->sinkpad, query);
+ }
break;
}
case GST_QUERY_SEEKING:
priv->current_sstart = GST_CLOCK_TIME_NONE;
priv->current_sstop = GST_CLOCK_TIME_NONE;
priv->have_latency = FALSE;
+ if (priv->cached_clock_id) {
+ gst_clock_id_unref (priv->cached_clock_id);
+ priv->cached_clock_id = NULL;
+ }
GST_OBJECT_UNLOCK (basesink);
gst_base_sink_set_last_buffer (basesink, NULL);
projects / platform / upstream / gstreamer.git / blobdiff