#include <gst/gst_private.h>
#include "gstbasesink.h"
-#include <gst/gstmarshal.h>
#include <gst/gst-i18n-lib.h>
GST_DEBUG_CATEGORY_STATIC (gst_base_sink_debug);
gboolean need_preroll; /* if we need preroll after this step */
} GstStepInfo;
-/* FIXME, some stuff in ABI.data and other in Private...
- * Make up your mind please.
- */
struct _GstBaseSinkPrivate
{
- GQueue *preroll_queue;
- gint preroll_queued;
-
gint qos_enabled; /* ATOMIC */
gboolean async_enabled;
GstClockTimeDiff ts_offset;
gboolean have_latency;
/* the last buffer we prerolled or rendered. Useful for making snapshots */
- gint enable_last_buffer; /* atomic */
+ gint enable_last_sample; /* atomic */
GstBuffer *last_buffer;
+ GstCaps *last_caps;
- /* caps for pull based scheduling */
- GstCaps *pull_caps;
+ /* negotiated caps */
+ GstCaps *caps;
/* blocksize for pulling */
guint blocksize;
/* for throttling and QoS */
GstClockTime earliest_in_time;
GstClockTime throttle_time;
-
- gboolean reset_time;
};
#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 */
#define DEFAULT_CAN_ACTIVATE_PUSH TRUE
-#define DEFAULT_PREROLL_QUEUE_LEN 0
#define DEFAULT_SYNC TRUE
#define DEFAULT_MAX_LATENESS -1
#define DEFAULT_QOS FALSE
#define DEFAULT_TS_OFFSET 0
#define DEFAULT_BLOCKSIZE 4096
#define DEFAULT_RENDER_DELAY 0
-#define DEFAULT_ENABLE_LAST_BUFFER TRUE
+#define DEFAULT_ENABLE_LAST_SAMPLE TRUE
#define DEFAULT_THROTTLE_TIME 0
enum
{
PROP_0,
- PROP_PREROLL_QUEUE_LEN,
PROP_SYNC,
PROP_MAX_LATENESS,
PROP_QOS,
PROP_ASYNC,
PROP_TS_OFFSET,
- PROP_ENABLE_LAST_BUFFER,
- PROP_LAST_BUFFER,
+ PROP_ENABLE_LAST_SAMPLE,
+ PROP_LAST_SAMPLE,
PROP_BLOCKSIZE,
PROP_RENDER_DELAY,
PROP_THROTTLE_TIME,
GstEvent * event);
static gboolean default_element_query (GstElement * element, GstQuery * query);
-static GstCaps *gst_base_sink_get_caps (GstBaseSink * sink, GstCaps * caps);
-static gboolean gst_base_sink_set_caps (GstBaseSink * sink, GstCaps * caps);
-static void gst_base_sink_get_times (GstBaseSink * basesink, GstBuffer * buffer,
- GstClockTime * start, GstClockTime * end);
+static GstCaps *gst_base_sink_default_get_caps (GstBaseSink * sink,
+ GstCaps * caps);
+static gboolean gst_base_sink_default_set_caps (GstBaseSink * sink,
+ GstCaps * caps);
+static void gst_base_sink_default_get_times (GstBaseSink * basesink,
+ GstBuffer * buffer, GstClockTime * start, GstClockTime * end);
static gboolean gst_base_sink_set_flushing (GstBaseSink * basesink,
GstPad * pad, gboolean flushing);
static gboolean gst_base_sink_default_activate_pull (GstBaseSink * basesink,
static void gst_base_sink_loop (GstPad * pad);
static gboolean gst_base_sink_pad_activate (GstPad * pad, GstObject * parent);
-static gboolean gst_base_sink_pad_activate_push (GstPad * pad,
- GstObject * parent, gboolean active);
-static gboolean gst_base_sink_pad_activate_pull (GstPad * pad,
- GstObject * parent, gboolean active);
+static gboolean gst_base_sink_pad_activate_mode (GstPad * pad,
+ GstObject * parent, GstPadMode mode, gboolean active);
+static gboolean gst_base_sink_default_event (GstBaseSink * basesink,
+ GstEvent * event);
+static GstFlowReturn gst_base_sink_default_wait_eos (GstBaseSink * basesink,
+ GstEvent * event);
static gboolean gst_base_sink_event (GstPad * pad, GstObject * parent,
GstEvent * event);
-static gboolean default_sink_query (GstBaseSink * sink, GstQuery * query);
+static gboolean gst_base_sink_default_query (GstBaseSink * sink,
+ GstQuery * query);
static gboolean gst_base_sink_negotiate_pull (GstBaseSink * basesink);
-static void gst_base_sink_default_fixate (GstBaseSink * bsink, GstCaps * caps);
-static void gst_base_sink_fixate (GstBaseSink * bsink, GstCaps * caps);
+static GstCaps *gst_base_sink_default_fixate (GstBaseSink * bsink,
+ GstCaps * caps);
+static GstCaps *gst_base_sink_fixate (GstBaseSink * bsink, GstCaps * caps);
/* check if an object was too late */
static gboolean gst_base_sink_is_too_late (GstBaseSink * basesink,
GstMiniObject * obj, GstClockTime rstart, GstClockTime rstop,
GstClockReturn status, GstClockTimeDiff jitter);
-static GstFlowReturn gst_base_sink_preroll_object (GstBaseSink * basesink,
- guint8 obj_type, GstMiniObject * obj);
static void
gst_base_sink_class_init (GstBaseSinkClass * klass)
DEFAULT_TS_OFFSET, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
- * GstBaseSink:enable-last-buffer
+ * GstBaseSink:enable-last-sample
*
- * Enable the last-buffer property. If FALSE, basesink doesn't keep a
- * reference to the last buffer arrived and the last-buffer property is always
+ * Enable the last-sample property. If FALSE, basesink doesn't keep a
+ * reference to the last buffer arrived and the last-sample property is always
* set to NULL. This can be useful if you need buffers to be released as soon
* as possible, eg. if you're using a buffer pool.
*
* Since: 0.10.30
*/
- g_object_class_install_property (gobject_class, PROP_ENABLE_LAST_BUFFER,
- g_param_spec_boolean ("enable-last-buffer", "Enable Last Buffer",
- "Enable the last-buffer property", DEFAULT_ENABLE_LAST_BUFFER,
+ g_object_class_install_property (gobject_class, PROP_ENABLE_LAST_SAMPLE,
+ g_param_spec_boolean ("enable-last-sample", "Enable Last Buffer",
+ "Enable the last-sample property", DEFAULT_ENABLE_LAST_SAMPLE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
- * GstBaseSink:last-buffer
+ * GstBaseSink:last-sample
*
* The last buffer that arrived in the sink and was used for preroll or for
* rendering. This property can be used to generate thumbnails. This property
*
* Since: 0.10.15
*/
- g_object_class_install_property (gobject_class, PROP_LAST_BUFFER,
- g_param_spec_boxed ("last-buffer", "Last Buffer",
- "The last buffer received in the sink", GST_TYPE_BUFFER,
+ g_object_class_install_property (gobject_class, PROP_LAST_SAMPLE,
+ g_param_spec_boxed ("last-sample", "Last Sample",
+ "The last sample received in the sink", GST_TYPE_SAMPLE,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
/**
* GstBaseSink:blocksize
*/
g_object_class_install_property (gobject_class, PROP_THROTTLE_TIME,
g_param_spec_uint64 ("throttle-time", "Throttle time",
- "The time to keep between rendered buffers (unused)", 0, G_MAXUINT64,
+ "The time to keep between rendered buffers", 0, G_MAXUINT64,
DEFAULT_THROTTLE_TIME, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gstelement_class->change_state =
gstelement_class->send_event = GST_DEBUG_FUNCPTR (gst_base_sink_send_event);
gstelement_class->query = GST_DEBUG_FUNCPTR (default_element_query);
- klass->get_caps = GST_DEBUG_FUNCPTR (gst_base_sink_get_caps);
- klass->set_caps = GST_DEBUG_FUNCPTR (gst_base_sink_set_caps);
+ klass->get_caps = GST_DEBUG_FUNCPTR (gst_base_sink_default_get_caps);
+ klass->set_caps = GST_DEBUG_FUNCPTR (gst_base_sink_default_set_caps);
klass->fixate = GST_DEBUG_FUNCPTR (gst_base_sink_default_fixate);
klass->activate_pull =
GST_DEBUG_FUNCPTR (gst_base_sink_default_activate_pull);
- klass->get_times = GST_DEBUG_FUNCPTR (gst_base_sink_get_times);
- klass->query = GST_DEBUG_FUNCPTR (default_sink_query);
+ klass->get_times = GST_DEBUG_FUNCPTR (gst_base_sink_default_get_times);
+ klass->query = GST_DEBUG_FUNCPTR (gst_base_sink_default_query);
+ klass->event = GST_DEBUG_FUNCPTR (gst_base_sink_default_event);
+ klass->wait_eos = GST_DEBUG_FUNCPTR (gst_base_sink_default_wait_eos);
/* Registering debug symbols for function pointers */
GST_DEBUG_REGISTER_FUNCPTR (gst_base_sink_fixate);
GST_DEBUG_REGISTER_FUNCPTR (gst_base_sink_pad_activate);
- GST_DEBUG_REGISTER_FUNCPTR (gst_base_sink_pad_activate_push);
- GST_DEBUG_REGISTER_FUNCPTR (gst_base_sink_pad_activate_pull);
+ GST_DEBUG_REGISTER_FUNCPTR (gst_base_sink_pad_activate_mode);
GST_DEBUG_REGISTER_FUNCPTR (gst_base_sink_event);
GST_DEBUG_REGISTER_FUNCPTR (gst_base_sink_chain);
GST_DEBUG_REGISTER_FUNCPTR (gst_base_sink_chain_list);
return caps;
}
-static void
+static GstCaps *
gst_base_sink_default_fixate (GstBaseSink * bsink, GstCaps * caps)
{
GST_DEBUG_OBJECT (bsink, "using default caps fixate function");
- gst_caps_fixate (caps);
+ return gst_caps_fixate (caps);
}
-static void
+static GstCaps *
gst_base_sink_fixate (GstBaseSink * bsink, GstCaps * caps)
{
GstBaseSinkClass *bclass;
bclass = GST_BASE_SINK_GET_CLASS (bsink);
if (bclass->fixate)
- bclass->fixate (bsink, caps);
+ caps = bclass->fixate (bsink, caps);
+
+ return caps;
}
static void
basesink->sinkpad = gst_pad_new_from_template (pad_template, "sink");
gst_pad_set_activate_function (basesink->sinkpad, gst_base_sink_pad_activate);
- gst_pad_set_activatepush_function (basesink->sinkpad,
- gst_base_sink_pad_activate_push);
- gst_pad_set_activatepull_function (basesink->sinkpad,
- gst_base_sink_pad_activate_pull);
+ gst_pad_set_activatemode_function (basesink->sinkpad,
+ gst_base_sink_pad_activate_mode);
gst_pad_set_query_function (basesink->sinkpad, gst_base_sink_sink_query);
gst_pad_set_event_function (basesink->sinkpad, gst_base_sink_event);
gst_pad_set_chain_function (basesink->sinkpad, gst_base_sink_chain);
gst_element_add_pad (GST_ELEMENT_CAST (basesink), basesink->sinkpad);
basesink->pad_mode = GST_PAD_MODE_NONE;
- basesink->preroll_lock = g_mutex_new ();
- basesink->preroll_cond = g_cond_new ();
- priv->preroll_queue = g_queue_new ();
+ g_mutex_init (&basesink->preroll_lock);
+ g_cond_init (&basesink->preroll_cond);
priv->have_latency = FALSE;
basesink->can_activate_push = DEFAULT_CAN_ACTIVATE_PUSH;
priv->render_delay = DEFAULT_RENDER_DELAY;
priv->blocksize = DEFAULT_BLOCKSIZE;
priv->cached_clock_id = NULL;
- g_atomic_int_set (&priv->enable_last_buffer, DEFAULT_ENABLE_LAST_BUFFER);
+ g_atomic_int_set (&priv->enable_last_sample, DEFAULT_ENABLE_LAST_SAMPLE);
priv->throttle_time = DEFAULT_THROTTLE_TIME;
- GST_OBJECT_FLAG_SET (basesink, GST_ELEMENT_IS_SINK);
+ GST_OBJECT_FLAG_SET (basesink, GST_ELEMENT_FLAG_SINK);
}
static void
basesink = GST_BASE_SINK (object);
- g_mutex_free (basesink->preroll_lock);
- g_cond_free (basesink->preroll_cond);
- g_queue_free (basesink->priv->preroll_queue);
+ g_mutex_clear (&basesink->preroll_lock);
+ g_cond_clear (&basesink->preroll_cond);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
}
/**
- * gst_base_sink_get_last_buffer:
+ * gst_base_sink_get_last_sample:
* @sink: the sink
*
- * Get the last buffer that arrived in the sink and was used for preroll or for
+ * Get the last sample that arrived in the sink and was used for preroll or for
* rendering. This property can be used to generate thumbnails.
*
- * The #GstCaps on the buffer can be used to determine the type of the buffer.
+ * The #GstCaps on the sample can be used to determine the type of the buffer.
*
- * Free-function: gst_buffer_unref
+ * Free-function: gst_sample_unref
*
- * Returns: (transfer full): a #GstBuffer. gst_buffer_unref() after usage.
+ * Returns: (transfer full): a #GstSample. gst_sample_unref() after usage.
* This function returns NULL when no buffer has arrived in the sink yet
* or when the sink is not in PAUSED or PLAYING.
*
* Since: 0.10.15
*/
-GstBuffer *
-gst_base_sink_get_last_buffer (GstBaseSink * sink)
+GstSample *
+gst_base_sink_get_last_sample (GstBaseSink * sink)
{
- GstBuffer *res;
+ GstSample *res = NULL;
g_return_val_if_fail (GST_IS_BASE_SINK (sink), NULL);
GST_OBJECT_LOCK (sink);
- if ((res = sink->priv->last_buffer))
- gst_buffer_ref (res);
+ if (sink->priv->last_buffer) {
+ res = gst_sample_new (sink->priv->last_buffer,
+ sink->priv->last_caps, &sink->segment, NULL);
+ }
GST_OBJECT_UNLOCK (sink);
return res;
if (G_LIKELY (buffer))
gst_buffer_ref (buffer);
sink->priv->last_buffer = buffer;
+ if (buffer)
+ /* copy over the caps */
+ gst_caps_replace (&sink->priv->last_caps, sink->priv->caps);
+ else
+ gst_caps_replace (&sink->priv->last_caps, NULL);
} else {
old = NULL;
}
static void
gst_base_sink_set_last_buffer (GstBaseSink * sink, GstBuffer * buffer)
{
- if (!g_atomic_int_get (&sink->priv->enable_last_buffer))
+ if (!g_atomic_int_get (&sink->priv->enable_last_sample))
return;
GST_OBJECT_LOCK (sink);
}
/**
- * gst_base_sink_set_last_buffer_enabled:
+ * gst_base_sink_set_last_sample_enabled:
* @sink: the sink
- * @enabled: the new enable-last-buffer value.
+ * @enabled: the new enable-last-sample value.
*
- * Configures @sink to store the last received buffer in the last-buffer
+ * Configures @sink to store the last received sample in the last-sample
* property.
*
* Since: 0.10.30
*/
void
-gst_base_sink_set_last_buffer_enabled (GstBaseSink * sink, gboolean enabled)
+gst_base_sink_set_last_sample_enabled (GstBaseSink * sink, gboolean enabled)
{
g_return_if_fail (GST_IS_BASE_SINK (sink));
/* Only take lock if we change the value */
- if (g_atomic_int_compare_and_exchange (&sink->priv->enable_last_buffer,
+ if (g_atomic_int_compare_and_exchange (&sink->priv->enable_last_sample,
!enabled, enabled) && !enabled) {
GST_OBJECT_LOCK (sink);
gst_base_sink_set_last_buffer_unlocked (sink, NULL);
}
/**
- * gst_base_sink_is_last_buffer_enabled:
+ * gst_base_sink_is_last_sample_enabled:
* @sink: the sink
*
- * Checks if @sink is currently configured to store the last received buffer in
- * the last-buffer property.
+ * Checks if @sink is currently configured to store the last received sample in
+ * the last-sample property.
*
- * Returns: TRUE if the sink is configured to store the last received buffer.
+ * Returns: TRUE if the sink is configured to store the last received sample.
*
* Since: 0.10.30
*/
gboolean
-gst_base_sink_is_last_buffer_enabled (GstBaseSink * sink)
+gst_base_sink_is_last_sample_enabled (GstBaseSink * sink)
{
g_return_val_if_fail (GST_IS_BASE_SINK (sink), FALSE);
- return g_atomic_int_get (&sink->priv->enable_last_buffer);
+ return g_atomic_int_get (&sink->priv->enable_last_sample);
}
/**
case PROP_RENDER_DELAY:
gst_base_sink_set_render_delay (sink, g_value_get_uint64 (value));
break;
- case PROP_ENABLE_LAST_BUFFER:
- gst_base_sink_set_last_buffer_enabled (sink, g_value_get_boolean (value));
+ case PROP_ENABLE_LAST_SAMPLE:
+ gst_base_sink_set_last_sample_enabled (sink, g_value_get_boolean (value));
break;
case PROP_THROTTLE_TIME:
gst_base_sink_set_throttle_time (sink, g_value_get_uint64 (value));
case PROP_TS_OFFSET:
g_value_set_int64 (value, gst_base_sink_get_ts_offset (sink));
break;
- case PROP_LAST_BUFFER:
- gst_value_take_buffer (value, gst_base_sink_get_last_buffer (sink));
+ case PROP_LAST_SAMPLE:
+ gst_value_take_buffer (value, gst_base_sink_get_last_sample (sink));
break;
- case PROP_ENABLE_LAST_BUFFER:
- g_value_set_boolean (value, gst_base_sink_is_last_buffer_enabled (sink));
+ case PROP_ENABLE_LAST_SAMPLE:
+ g_value_set_boolean (value, gst_base_sink_is_last_sample_enabled (sink));
break;
case PROP_BLOCKSIZE:
g_value_set_uint (value, gst_base_sink_get_blocksize (sink));
static GstCaps *
-gst_base_sink_get_caps (GstBaseSink * sink, GstCaps * filter)
+gst_base_sink_default_get_caps (GstBaseSink * sink, GstCaps * filter)
{
return NULL;
}
static gboolean
-gst_base_sink_set_caps (GstBaseSink * sink, GstCaps * caps)
+gst_base_sink_default_set_caps (GstBaseSink * sink, GstCaps * caps)
{
return TRUE;
}
/* with PREROLL_LOCK, STREAM_LOCK */
-static void
-gst_base_sink_preroll_queue_flush (GstBaseSink * basesink, GstPad * pad)
-{
- GstMiniObject *obj;
-
- GST_DEBUG_OBJECT (basesink, "flushing queue %p", basesink);
- while ((obj = g_queue_pop_head (basesink->priv->preroll_queue))) {
- GST_DEBUG_OBJECT (basesink, "popped %p", obj);
- gst_mini_object_unref (obj);
- }
- /* we can't have EOS anymore now */
- basesink->eos = FALSE;
- basesink->priv->received_eos = FALSE;
- basesink->have_preroll = FALSE;
- basesink->priv->step_unlock = FALSE;
- basesink->eos_queued = FALSE;
- basesink->priv->preroll_queued = 0;
- /* can't report latency anymore until we preroll again */
- if (basesink->priv->async_enabled) {
- GST_OBJECT_LOCK (basesink);
- basesink->priv->have_latency = FALSE;
- GST_OBJECT_UNLOCK (basesink);
- }
- /* and signal any waiters now */
- GST_BASE_SINK_PREROLL_SIGNAL (basesink);
-}
-
-/* with STREAM_LOCK, configures given segment with the event information. */
-static void
-gst_base_sink_configure_segment (GstBaseSink * basesink, GstPad * pad,
- GstEvent * event, GstSegment * segment)
-{
- /* The segment is protected with both the STREAM_LOCK and the OBJECT_LOCK.
- * We protect with the OBJECT_LOCK so that we can use the values to
- * safely answer a POSITION query. */
- GST_OBJECT_LOCK (basesink);
- /* the newsegment event is needed to bring the buffer timestamps to the
- * stream time and to drop samples outside of the playback segment. */
- gst_event_copy_segment (event, segment);
- GST_DEBUG_OBJECT (basesink, "configured SEGMENT %" GST_SEGMENT_FORMAT,
- segment);
- GST_OBJECT_UNLOCK (basesink);
-}
-
-/* with PREROLL_LOCK, STREAM_LOCK */
static gboolean
gst_base_sink_commit_state (GstBaseSink * basesink)
{
gboolean post_paused = FALSE;
gboolean post_async_done = FALSE;
gboolean post_playing = FALSE;
- gboolean reset_time;
/* we are certainly not playing async anymore now */
basesink->playing_async = FALSE;
next = GST_STATE_NEXT (basesink);
pending = GST_STATE_PENDING (basesink);
post_pending = pending;
- reset_time = basesink->priv->reset_time;
- basesink->priv->reset_time = FALSE;
switch (pending) {
case GST_STATE_PLAYING:
if (post_async_done) {
GST_DEBUG_OBJECT (basesink, "posting async-done message");
gst_element_post_message (GST_ELEMENT_CAST (basesink),
- gst_message_new_async_done (GST_OBJECT_CAST (basesink), reset_time));
+ gst_message_new_async_done (GST_OBJECT_CAST (basesink), FALSE));
}
if (post_playing) {
GST_DEBUG_OBJECT (basesink, "posting PLAYING state change message");
else
segment->start = current->start_start;
- /* the clip segment is used for position report in paused... */
- gst_segment_copy_into (segment, &sink->clip_segment);
-
/* post the step done when we know the stepped duration in TIME */
message =
gst_message_new_step_done (GST_OBJECT_CAST (sink), current->format,
gst_base_sink_get_sync_times (GstBaseSink * basesink, GstMiniObject * obj,
GstClockTime * rsstart, GstClockTime * rsstop,
GstClockTime * rrstart, GstClockTime * rrstop, gboolean * do_sync,
- gboolean * stepped, GstSegment * segment, GstStepInfo * step,
- gboolean * step_end, guint8 obj_type)
+ gboolean * stepped, GstStepInfo * step, gboolean * step_end)
{
GstBaseSinkClass *bclass;
GstBuffer *buffer;
GstClockTime sstart, sstop; /* clipped timestamps converted to stream time */
GstFormat format;
GstBaseSinkPrivate *priv;
+ GstSegment *segment;
gboolean eos;
priv = basesink->priv;
+ segment = &basesink->segment;
/* start with nothing */
start = stop = GST_CLOCK_TIME_NONE;
- if (G_UNLIKELY (OBJ_IS_EVENT (obj_type))) {
+ if (G_UNLIKELY (GST_IS_EVENT (obj))) {
GstEvent *event = GST_EVENT_CAST (obj);
switch (GST_EVENT_TYPE (event)) {
/* EOS event needs syncing */
case GST_EVENT_EOS:
{
- if (basesink->segment.rate >= 0.0) {
+ if (segment->rate >= 0.0) {
sstart = sstop = priv->current_sstop;
if (!GST_CLOCK_TIME_IS_VALID (sstart)) {
/* we have not seen a buffer yet, use the segment values */
- sstart = sstop = gst_segment_to_stream_time (&basesink->segment,
- basesink->segment.format, basesink->segment.stop);
+ sstart = sstop = gst_segment_to_stream_time (segment,
+ segment->format, segment->stop);
}
} else {
sstart = sstop = priv->current_sstart;
if (!GST_CLOCK_TIME_IS_VALID (sstart)) {
/* we have not seen a buffer yet, use the segment values */
- sstart = sstop = gst_segment_to_stream_time (&basesink->segment,
- basesink->segment.format, basesink->segment.start);
+ sstart = sstop = gst_segment_to_stream_time (segment,
+ segment->format, segment->start);
}
}
if (!GST_CLOCK_TIME_IS_VALID (start)) {
/* we don't need to sync but we still want to get the timestamps for
* tracking the position */
- gst_base_sink_get_times (basesink, buffer, &start, &stop);
+ gst_base_sink_default_get_times (basesink, buffer, &start, &stop);
*do_sync = FALSE;
} else {
*do_sync = TRUE;
* This function will block until a state change to PLAYING happens (in which
* case this function returns #GST_FLOW_OK) or the processing must be stopped due
* to a state change to READY or a FLUSH event (in which case this function
- * returns #GST_FLOW_WRONG_STATE).
+ * returns #GST_FLOW_FLUSHING).
*
* This function should only be called with the PREROLL_LOCK held, like in the
* render function.
stopping:
{
GST_DEBUG_OBJECT (sink, "preroll interrupted because of flush");
- return GST_FLOW_WRONG_STATE;
+ return GST_FLOW_FLUSHING;
}
step_unlocked:
{
}
}
-static inline guint8
-get_object_type (GstMiniObject * obj)
-{
- guint8 obj_type;
-
- 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;
- else
- obj_type = _PR_IS_NOTHING;
-
- return obj_type;
-}
-
/**
* gst_base_sink_do_preroll:
* @sink: the sink
GstFlowReturn ret;
while (G_UNLIKELY (sink->need_preroll)) {
- guint8 obj_type;
GST_DEBUG_OBJECT (sink, "prerolling object %p", obj);
- obj_type = get_object_type (obj);
+ /* if it's a buffer, we need to call the preroll method */
+ if (sink->priv->call_preroll) {
+ GstBaseSinkClass *bclass;
+ GstBuffer *buf;
+
+ if (GST_IS_BUFFER_LIST (obj)) {
+ buf = gst_buffer_list_get (GST_BUFFER_LIST_CAST (obj), 0);
+ g_assert (NULL != buf);
+ } else if (GST_IS_BUFFER (obj)) {
+ buf = GST_BUFFER_CAST (obj);
+ /* For buffer lists do not set last buffer for now */
+ gst_base_sink_set_last_buffer (sink, buf);
+ } else
+ buf = NULL;
+
+ if (buf) {
+ GST_DEBUG_OBJECT (sink, "preroll buffer %" GST_TIME_FORMAT,
+ GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)));
+
+ bclass = GST_BASE_SINK_GET_CLASS (sink);
+
+ if (bclass->prepare)
+ if ((ret = bclass->prepare (sink, buf)) != GST_FLOW_OK)
+ goto prepare_canceled;
+
+ if (bclass->preroll)
+ if ((ret = bclass->preroll (sink, buf)) != GST_FLOW_OK)
+ goto preroll_canceled;
- ret = gst_base_sink_preroll_object (sink, obj_type, obj);
- if (ret != GST_FLOW_OK)
- goto preroll_failed;
+ sink->priv->call_preroll = FALSE;
+ }
+ }
+
+ /* commit state */
+ if (G_LIKELY (sink->playing_async)) {
+ if (G_UNLIKELY (!gst_base_sink_commit_state (sink)))
+ goto stopping;
+ }
/* need to recheck here because the commit state could have
* made us not need the preroll anymore */
return GST_FLOW_OK;
/* ERRORS */
+prepare_canceled:
+ {
+ GST_DEBUG_OBJECT (sink, "prepare failed, abort state");
+ gst_element_abort_state (GST_ELEMENT_CAST (sink));
+ return ret;
+ }
+preroll_canceled:
+ {
+ GST_DEBUG_OBJECT (sink, "preroll failed, abort state");
+ gst_element_abort_state (GST_ELEMENT_CAST (sink));
+ return ret;
+ }
+stopping:
+ {
+ GST_DEBUG_OBJECT (sink, "stopping while commiting state");
+ return GST_FLOW_FLUSHING;
+ }
preroll_failed:
{
GST_DEBUG_OBJECT (sink, "preroll failed: %s", gst_flow_get_name (ret));
GST_DEBUG_OBJECT (sink, "possibly waiting for clock to reach %"
GST_TIME_FORMAT, GST_TIME_ARGS (time));
- /* compensate for latency and ts_offset. We don't adjust for render delay
- * because we don't interact with the device on EOS normally. */
+ /* compensate for latency, ts_offset and render delay */
stime = gst_base_sink_adjust_time (sink, time);
/* wait for the clock, this can be interrupted because we got shut down or
flushing:
{
GST_DEBUG_OBJECT (sink, "we are flushing");
- return GST_FLOW_WRONG_STATE;
+ return GST_FLOW_FLUSHING;
}
}
* does not take ownership of obj.
*/
static GstFlowReturn
-gst_base_sink_do_sync (GstBaseSink * basesink, GstPad * pad,
- GstMiniObject * obj, gboolean * late, gboolean * step_end, guint8 obj_type)
+gst_base_sink_do_sync (GstBaseSink * basesink,
+ GstMiniObject * obj, gboolean * late, gboolean * step_end)
{
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, obj_type);
+ &sstart, &sstop, &rstart, &rstop, &do_sync, &stepped, current, step_end);
if (G_UNLIKELY (stepped))
goto step_skipped;
/* adjust for latency */
stime = gst_base_sink_adjust_time (basesink, rstart);
- /* adjust for render-delay, avoid underflows */
- if (GST_CLOCK_TIME_IS_VALID (stime)) {
- if (stime > priv->render_delay)
- stime -= priv->render_delay;
- else
- stime = 0;
- }
-
/* preroll done, we can sync since we are in PLAYING now. */
GST_DEBUG_OBJECT (basesink, "possibly waiting for clock to reach %"
GST_TIME_FORMAT ", adjusted %" GST_TIME_FORMAT,
flushing:
{
GST_DEBUG_OBJECT (basesink, "we are flushing");
- return GST_FLOW_WRONG_STATE;
+ return GST_FLOW_FLUSHING;
}
preroll_failed:
{
}
}
-/* with STREAM_LOCK, PREROLL_LOCK,
- *
- * Synchronize the object on the clock and then render it.
- *
- * takes ownership of obj.
- */
-static GstFlowReturn
-gst_base_sink_render_object (GstBaseSink * basesink, GstPad * pad,
- guint8 obj_type, gpointer obj)
+static void
+gst_base_sink_flush_start (GstBaseSink * basesink, GstPad * pad)
{
- GstFlowReturn ret;
- GstBaseSinkClass *bclass;
- gboolean late, step_end;
- gpointer sync_obj;
- GstBaseSinkPrivate *priv;
-
- priv = basesink->priv;
+ /* make sure we are not blocked on the clock also clear any pending
+ * eos state. */
+ gst_base_sink_set_flushing (basesink, pad, TRUE);
- if (OBJ_IS_BUFFERLIST (obj_type)) {
- /*
- * If buffer list, use the first group buffer within the list
- * for syncing
- */
- sync_obj = gst_buffer_list_get (GST_BUFFER_LIST_CAST (obj), 0);
- g_assert (NULL != sync_obj);
+ /* we grab the stream lock but that is not needed since setting the
+ * sink to flushing would make sure no state commit is being done
+ * anymore */
+ GST_PAD_STREAM_LOCK (pad);
+ gst_base_sink_reset_qos (basesink);
+ /* and we need to commit our state again on the next
+ * prerolled buffer */
+ basesink->playing_async = TRUE;
+ if (basesink->priv->async_enabled) {
+ gst_element_lost_state (GST_ELEMENT_CAST (basesink));
} else {
- sync_obj = obj;
+ /* start time reset in above case as well;
+ * arranges for a.o. proper position reporting when flushing in PAUSED */
+ gst_element_set_start_time (GST_ELEMENT_CAST (basesink), 0);
+ basesink->priv->have_latency = TRUE;
}
+ gst_base_sink_set_last_buffer (basesink, NULL);
+ GST_PAD_STREAM_UNLOCK (pad);
+}
-again:
- late = FALSE;
- step_end = FALSE;
+static void
+gst_base_sink_flush_stop (GstBaseSink * basesink, GstPad * pad,
+ gboolean reset_time)
+{
+ /* unset flushing so we can accept new data, this also flushes out any EOS
+ * event. */
+ gst_base_sink_set_flushing (basesink, pad, FALSE);
- /* synchronize this object, non syncable objects return OK
- * immediately. */
- 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;
+ /* for position reporting */
+ GST_OBJECT_LOCK (basesink);
+ basesink->priv->current_sstart = GST_CLOCK_TIME_NONE;
+ basesink->priv->current_sstop = GST_CLOCK_TIME_NONE;
+ basesink->priv->eos_rtime = GST_CLOCK_TIME_NONE;
+ basesink->priv->call_preroll = TRUE;
+ basesink->priv->current_step.valid = FALSE;
+ basesink->priv->pending_step.valid = FALSE;
+ if (basesink->pad_mode == GST_PAD_MODE_PUSH) {
+ /* we need new segment info after the flush. */
+ basesink->have_newsegment = FALSE;
+ if (reset_time) {
+ gst_segment_init (&basesink->segment, GST_FORMAT_UNDEFINED);
+ }
+ }
+ GST_OBJECT_UNLOCK (basesink);
- /* and now render, event or buffer/buffer list. */
- if (G_LIKELY (OBJ_IS_BUFFERFULL (obj_type))) {
- /* drop late buffers unconditionally, let's hope it's unlikely */
- if (G_UNLIKELY (late))
- goto dropped;
+ if (reset_time) {
+ GST_DEBUG_OBJECT (basesink, "posting reset-time message");
+ gst_element_post_message (GST_ELEMENT_CAST (basesink),
+ gst_message_new_reset_time (GST_OBJECT_CAST (basesink), 0));
+ }
+}
- bclass = GST_BASE_SINK_GET_CLASS (basesink);
+static GstFlowReturn
+gst_base_sink_default_wait_eos (GstBaseSink * basesink, GstEvent * event)
+{
+ GstFlowReturn ret;
+ gboolean late, step_end;
- if (G_LIKELY ((OBJ_IS_BUFFERLIST (obj_type) && bclass->render_list) ||
- (!OBJ_IS_BUFFERLIST (obj_type) && bclass->render))) {
- gint do_qos;
+ ret = gst_base_sink_do_sync (basesink, GST_MINI_OBJECT_CAST (event),
+ &late, &step_end);
- /* read once, to get same value before and after */
- do_qos = g_atomic_int_get (&priv->qos_enabled);
+ return ret;
+}
- GST_DEBUG_OBJECT (basesink, "rendering object %p", obj);
+static gboolean
+gst_base_sink_default_event (GstBaseSink * basesink, GstEvent * event)
+{
+ gboolean result = TRUE;
+ GstBaseSinkClass *bclass;
- /* record rendering time for QoS and stats */
- if (do_qos)
- gst_base_sink_do_render_stats (basesink, TRUE);
+ bclass = GST_BASE_SINK_GET_CLASS (basesink);
- if (!OBJ_IS_BUFFERLIST (obj_type)) {
- GstBuffer *buf;
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_FLUSH_START:
+ {
+ GST_DEBUG_OBJECT (basesink, "flush-start %p", event);
+ gst_base_sink_flush_start (basesink, basesink->sinkpad);
+ break;
+ }
+ case GST_EVENT_FLUSH_STOP:
+ {
+ gboolean reset_time;
- /* For buffer lists do not set last buffer. Creating buffer
- * with meaningful data can be done only with memcpy which will
- * significantly affect performance */
- buf = GST_BUFFER_CAST (obj);
- gst_base_sink_set_last_buffer (basesink, buf);
+ gst_event_parse_flush_stop (event, &reset_time);
+ GST_DEBUG_OBJECT (basesink, "flush-stop %p, reset_time: %d", event,
+ reset_time);
+ gst_base_sink_flush_stop (basesink, basesink->sinkpad, reset_time);
+ break;
+ }
+ case GST_EVENT_EOS:
+ {
+ GstMessage *message;
+ guint32 seqnum;
- ret = bclass->render (basesink, buf);
- } else {
- GstBufferList *buflist;
+ /* we set the received EOS flag here so that we can use it when testing if
+ * we are prerolled and to refuse more buffers. */
+ basesink->priv->received_eos = TRUE;
- buflist = GST_BUFFER_LIST_CAST (obj);
+ /* wait for EOS */
+ if (G_LIKELY (bclass->wait_eos)) {
+ GstFlowReturn ret;
- ret = bclass->render_list (basesink, buflist);
+ ret = bclass->wait_eos (basesink, event);
+ if (G_UNLIKELY (ret != GST_FLOW_OK)) {
+ result = FALSE;
+ goto done;
+ }
}
- if (do_qos)
- gst_base_sink_do_render_stats (basesink, FALSE);
+ /* the EOS event is completely handled so we mark
+ * ourselves as being in the EOS state. eos is also
+ * protected by the object lock so we can read it when
+ * answering the POSITION query. */
+ GST_OBJECT_LOCK (basesink);
+ basesink->eos = TRUE;
+ GST_OBJECT_UNLOCK (basesink);
- if (ret == GST_FLOW_STEP)
- goto again;
+ /* ok, now we can post the message */
+ GST_DEBUG_OBJECT (basesink, "Now posting EOS");
- if (G_UNLIKELY (basesink->flushing))
- goto flushing;
+ seqnum = basesink->priv->seqnum = gst_event_get_seqnum (event);
+ GST_DEBUG_OBJECT (basesink, "Got seqnum #%" G_GUINT32_FORMAT, seqnum);
- priv->rendered++;
+ message = gst_message_new_eos (GST_OBJECT_CAST (basesink));
+ gst_message_set_seqnum (message, seqnum);
+ gst_element_post_message (GST_ELEMENT_CAST (basesink), message);
+ break;
}
- } else if (G_LIKELY (OBJ_IS_EVENT (obj_type))) {
- GstEvent *event = GST_EVENT_CAST (obj);
- gboolean event_res = TRUE;
- GstEventType type;
-
- bclass = GST_BASE_SINK_GET_CLASS (basesink);
+ case GST_EVENT_CAPS:
+ {
+ GstCaps *caps;
- type = GST_EVENT_TYPE (event);
+ GST_DEBUG_OBJECT (basesink, "caps %p", event);
- GST_DEBUG_OBJECT (basesink, "rendering event %p, type %s", obj,
- gst_event_type_get_name (type));
+ gst_event_parse_caps (event, &caps);
+ if (bclass->set_caps)
+ result = bclass->set_caps (basesink, caps);
- if (bclass->event)
- event_res = bclass->event (basesink, event);
+ if (result) {
+ GST_OBJECT_LOCK (basesink);
+ gst_caps_replace (&basesink->priv->caps, caps);
+ GST_OBJECT_UNLOCK (basesink);
+ }
+ break;
+ }
+ case GST_EVENT_SEGMENT:
+ /* configure the segment */
+ /* The segment is protected with both the STREAM_LOCK and the OBJECT_LOCK.
+ * We protect with the OBJECT_LOCK so that we can use the values to
+ * safely answer a POSITION query. */
+ GST_OBJECT_LOCK (basesink);
+ /* the newsegment event is needed to bring the buffer timestamps to the
+ * stream time and to drop samples outside of the playback segment. */
+ gst_event_copy_segment (event, &basesink->segment);
+ GST_DEBUG_OBJECT (basesink, "configured SEGMENT %" GST_SEGMENT_FORMAT,
+ &basesink->segment);
+ basesink->have_newsegment = TRUE;
+ GST_OBJECT_UNLOCK (basesink);
+ break;
+ case GST_EVENT_TAG:
+ {
+ GstTagList *taglist;
- /* when we get here we could be flushing again when the event handler calls
- * _wait_eos(). We have to ignore this object in that case. */
- if (G_UNLIKELY (basesink->flushing))
- goto flushing;
+ gst_event_parse_tag (event, &taglist);
- if (G_LIKELY (event_res)) {
- guint32 seqnum;
+ gst_element_post_message (GST_ELEMENT_CAST (basesink),
+ gst_message_new_tag (GST_OBJECT_CAST (basesink),
+ gst_tag_list_copy (taglist)));
+ break;
+ }
+ case GST_EVENT_SINK_MESSAGE:
+ {
+ GstMessage *msg = NULL;
- seqnum = basesink->priv->seqnum = gst_event_get_seqnum (event);
- GST_DEBUG_OBJECT (basesink, "Got seqnum #%" G_GUINT32_FORMAT, seqnum);
+ gst_event_parse_sink_message (event, &msg);
+ if (msg)
+ gst_element_post_message (GST_ELEMENT_CAST (basesink), msg);
+ break;
+ }
+ default:
+ break;
+ }
+done:
+ gst_event_unref (event);
- switch (type) {
- case GST_EVENT_EOS:
- {
- GstMessage *message;
+ return result;
+}
- /* the EOS event is completely handled so we mark
- * ourselves as being in the EOS state. eos is also
- * protected by the object lock so we can read it when
- * answering the POSITION query. */
- GST_OBJECT_LOCK (basesink);
- basesink->eos = TRUE;
- GST_OBJECT_UNLOCK (basesink);
+static gboolean
+gst_base_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
+{
+ GstBaseSink *basesink;
+ gboolean result = TRUE;
+ GstBaseSinkClass *bclass;
- /* ok, now we can post the message */
- GST_DEBUG_OBJECT (basesink, "Now posting EOS");
+ basesink = GST_BASE_SINK_CAST (parent);
+ bclass = GST_BASE_SINK_GET_CLASS (basesink);
- message = gst_message_new_eos (GST_OBJECT_CAST (basesink));
- gst_message_set_seqnum (message, seqnum);
- gst_element_post_message (GST_ELEMENT_CAST (basesink), message);
- break;
- }
- case GST_EVENT_SEGMENT:
- /* configure the segment */
- gst_base_sink_configure_segment (basesink, pad, event,
- &basesink->segment);
- break;
- case GST_EVENT_TAG:
- {
- GstTagList *taglist;
+ GST_DEBUG_OBJECT (basesink, "received event %p %" GST_PTR_FORMAT, event,
+ event);
- gst_event_parse_tag (event, &taglist);
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_FLUSH_STOP:
+ /* special case for this serialized event because we don't want to grab
+ * the PREROLL lock or check if we were flushing */
+ if (bclass->event)
+ result = bclass->event (basesink, event);
+ break;
+ default:
+ if (GST_EVENT_IS_SERIALIZED (event)) {
+ GST_BASE_SINK_PREROLL_LOCK (basesink);
+ if (G_UNLIKELY (basesink->flushing))
+ goto flushing;
- gst_element_post_message (GST_ELEMENT_CAST (basesink),
- gst_message_new_tag (GST_OBJECT_CAST (basesink),
- gst_tag_list_copy (taglist)));
- break;
- }
- case GST_EVENT_SINK_MESSAGE:
- {
- GstMessage *msg = NULL;
+ if (G_UNLIKELY (basesink->priv->received_eos))
+ goto after_eos;
- gst_event_parse_sink_message (event, &msg);
+ if (bclass->event)
+ result = bclass->event (basesink, event);
- if (msg)
- gst_element_post_message (GST_ELEMENT_CAST (basesink), msg);
- }
- default:
- break;
+ GST_BASE_SINK_PREROLL_UNLOCK (basesink);
+ } else {
+ if (bclass->event)
+ result = bclass->event (basesink, event);
}
- }
- } else {
- g_return_val_if_reached (GST_FLOW_ERROR);
+ break;
}
-
done:
- if (step_end) {
- /* the step ended, check if we need to activate a new step */
- GST_DEBUG_OBJECT (basesink, "step ended");
- stop_stepping (basesink, &basesink->segment, &priv->current_step,
- priv->current_rstart, priv->current_rstop, basesink->eos);
- goto again;
- }
-
- gst_base_sink_perform_qos (basesink, late);
-
- GST_DEBUG_OBJECT (basesink, "object unref after render %p", obj);
- gst_mini_object_unref (GST_MINI_OBJECT_CAST (obj));
- return ret;
+ return result;
/* ERRORS */
-sync_failed:
+flushing:
{
- GST_DEBUG_OBJECT (basesink, "do_sync returned %s", gst_flow_get_name (ret));
- goto done;
- }
-dropped:
- {
- priv->dropped++;
- GST_DEBUG_OBJECT (basesink, "buffer late, dropping");
-
- if (g_atomic_int_get (&priv->qos_enabled)) {
- GstMessage *qos_msg;
- GstClockTime timestamp, duration;
-
- timestamp = GST_BUFFER_TIMESTAMP (GST_BUFFER_CAST (sync_obj));
- duration = GST_BUFFER_DURATION (GST_BUFFER_CAST (sync_obj));
-
- GST_CAT_DEBUG_OBJECT (GST_CAT_QOS, basesink,
- "qos: dropped buffer rt %" GST_TIME_FORMAT ", st %" GST_TIME_FORMAT
- ", ts %" GST_TIME_FORMAT ", dur %" GST_TIME_FORMAT,
- GST_TIME_ARGS (priv->current_rstart),
- GST_TIME_ARGS (priv->current_sstart), GST_TIME_ARGS (timestamp),
- GST_TIME_ARGS (duration));
- GST_CAT_DEBUG_OBJECT (GST_CAT_QOS, basesink,
- "qos: rendered %" G_GUINT64_FORMAT ", dropped %" G_GUINT64_FORMAT,
- priv->rendered, priv->dropped);
-
- qos_msg =
- gst_message_new_qos (GST_OBJECT_CAST (basesink), basesink->sync,
- priv->current_rstart, priv->current_sstart, timestamp, duration);
- gst_message_set_qos_values (qos_msg, priv->current_jitter, priv->avg_rate,
- 1000000);
- gst_message_set_qos_stats (qos_msg, GST_FORMAT_BUFFERS, priv->rendered,
- priv->dropped);
- gst_element_post_message (GST_ELEMENT_CAST (basesink), qos_msg);
- }
- goto done;
- }
-flushing:
- {
- GST_DEBUG_OBJECT (basesink, "we are flushing, ignore object");
- gst_mini_object_unref (obj);
- return GST_FLOW_WRONG_STATE;
- }
-}
-
-/* with STREAM_LOCK, PREROLL_LOCK
- *
- * Perform preroll on the given object. For buffers this means
- * calling the preroll subclass method.
- * If that succeeds, the state will be commited.
- *
- * function does not take ownership of obj.
- */
-static GstFlowReturn
-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 (OBJ_IS_BUFFERFULL (obj_type) && basesink->priv->call_preroll)) {
- GstBaseSinkClass *bclass;
- GstBuffer *buf;
- GstClockTime timestamp;
-
- if (OBJ_IS_BUFFERLIST (obj_type)) {
- buf = gst_buffer_list_get (GST_BUFFER_LIST_CAST (obj), 0);
- g_assert (NULL != buf);
- } else {
- buf = GST_BUFFER_CAST (obj);
- }
-
- timestamp = GST_BUFFER_TIMESTAMP (buf);
-
- GST_DEBUG_OBJECT (basesink, "preroll buffer %" GST_TIME_FORMAT,
- GST_TIME_ARGS (timestamp));
-
- /*
- * For buffer lists do not set last buffer. Creating buffer
- * with meaningful data can be done only with memcpy which will
- * significantly affect performance
- */
- if (!OBJ_IS_BUFFERLIST (obj_type)) {
- gst_base_sink_set_last_buffer (basesink, buf);
- }
-
- bclass = GST_BASE_SINK_GET_CLASS (basesink);
- if (bclass->preroll)
- if ((ret = bclass->preroll (basesink, buf)) != GST_FLOW_OK)
- goto preroll_failed;
-
- basesink->priv->call_preroll = FALSE;
- }
-
- /* commit state */
- if (G_LIKELY (basesink->playing_async)) {
- if (G_UNLIKELY (!gst_base_sink_commit_state (basesink)))
- goto stopping;
- }
-
- return GST_FLOW_OK;
-
- /* ERRORS */
-preroll_failed:
- {
- GST_DEBUG_OBJECT (basesink, "preroll failed, abort state");
- gst_element_abort_state (GST_ELEMENT_CAST (basesink));
- return ret;
- }
-stopping:
- {
- GST_DEBUG_OBJECT (basesink, "stopping while commiting state");
- return GST_FLOW_WRONG_STATE;
- }
-}
-
-/* with STREAM_LOCK, PREROLL_LOCK
- *
- * Queue an object for rendering.
- * The first prerollable object queued will complete the preroll. If the
- * preroll queue is filled, we render all the objects in the queue.
- *
- * This function takes ownership of the object.
- */
-static GstFlowReturn
-gst_base_sink_queue_object_unlocked (GstBaseSink * basesink, GstPad * pad,
- guint8 obj_type, gpointer obj, gboolean prerollable)
-{
- GstFlowReturn ret = GST_FLOW_OK;
- gint length;
- GQueue *q;
-
- if (G_UNLIKELY (basesink->need_preroll)) {
- if (G_LIKELY (prerollable))
- basesink->priv->preroll_queued++;
-
- length = basesink->priv->preroll_queued;
-
- GST_DEBUG_OBJECT (basesink, "now %d prerolled items", length);
-
- /* first prerollable item needs to finish the preroll */
- if (length == 1) {
- ret = gst_base_sink_preroll_object (basesink, obj_type, obj);
- if (G_UNLIKELY (ret != GST_FLOW_OK))
- goto preroll_failed;
- }
- /* need to recheck if we need preroll, commit state during preroll
- * could have made us not need more preroll. */
- if (G_UNLIKELY (basesink->need_preroll)) {
- /* see if we can render now, if we can't add the object to the preroll
- * queue. */
- if (G_UNLIKELY (length <= 0))
- goto more_preroll;
- }
- }
- /* we can start rendering (or blocking) the queued object
- * if any. */
- q = basesink->priv->preroll_queue;
- while (G_UNLIKELY (!g_queue_is_empty (q))) {
- GstMiniObject *o;
- guint8 ot;
-
- o = g_queue_pop_head (q);
- GST_DEBUG_OBJECT (basesink, "rendering queued object %p", o);
-
- ot = get_object_type (o);
-
- /* do something with the return value */
- ret = gst_base_sink_render_object (basesink, pad, ot, o);
- if (ret != GST_FLOW_OK)
- goto dequeue_failed;
- }
-
- /* now render the object */
- ret = gst_base_sink_render_object (basesink, pad, obj_type, obj);
- basesink->priv->preroll_queued = 0;
-
- return ret;
-
- /* special cases */
-preroll_failed:
- {
- GST_DEBUG_OBJECT (basesink, "preroll failed, reason %s",
- gst_flow_get_name (ret));
- gst_mini_object_unref (GST_MINI_OBJECT_CAST (obj));
- return ret;
- }
-more_preroll:
- {
- /* add object to the queue and return */
- GST_DEBUG_OBJECT (basesink, "need more preroll data");
- g_queue_push_tail (basesink->priv->preroll_queue, obj);
- return GST_FLOW_OK;
- }
-dequeue_failed:
- {
- GST_DEBUG_OBJECT (basesink, "rendering queued objects failed, reason %s",
- gst_flow_get_name (ret));
- gst_mini_object_unref (GST_MINI_OBJECT_CAST (obj));
- return ret;
- }
-}
-
-/* with STREAM_LOCK
- *
- * This function grabs the PREROLL_LOCK and adds the object to
- * 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,
- GstMiniObject * obj, gboolean prerollable)
-{
- GstFlowReturn ret;
-
- GST_BASE_SINK_PREROLL_LOCK (basesink);
- if (G_UNLIKELY (basesink->flushing))
- goto flushing;
-
- if (G_UNLIKELY (basesink->priv->received_eos))
- goto was_eos;
-
- ret =
- gst_base_sink_queue_object_unlocked (basesink, pad, _PR_IS_EVENT, obj,
- prerollable);
- GST_BASE_SINK_PREROLL_UNLOCK (basesink);
-
- return ret;
-
- /* ERRORS */
-flushing:
- {
- GST_DEBUG_OBJECT (basesink, "sink is flushing");
- GST_BASE_SINK_PREROLL_UNLOCK (basesink);
- gst_mini_object_unref (obj);
- return GST_FLOW_WRONG_STATE;
- }
-was_eos:
- {
- GST_DEBUG_OBJECT (basesink, "we are EOS, dropping object, return EOS");
- GST_BASE_SINK_PREROLL_UNLOCK (basesink);
- gst_mini_object_unref (obj);
- return GST_FLOW_EOS;
- }
-}
-
-static void
-gst_base_sink_flush_start (GstBaseSink * basesink, GstPad * pad)
-{
- /* make sure we are not blocked on the clock also clear any pending
- * eos state. */
- gst_base_sink_set_flushing (basesink, pad, TRUE);
-
- /* we grab the stream lock but that is not needed since setting the
- * sink to flushing would make sure no state commit is being done
- * anymore */
- GST_PAD_STREAM_LOCK (pad);
- gst_base_sink_reset_qos (basesink);
- /* and we need to commit our state again on the next
- * prerolled buffer */
- basesink->playing_async = TRUE;
- if (basesink->priv->async_enabled) {
- gst_element_lost_state (GST_ELEMENT_CAST (basesink));
- } else {
- /* start time reset in above case as well;
- * arranges for a.o. proper position reporting when flushing in PAUSED */
- gst_element_set_start_time (GST_ELEMENT_CAST (basesink), 0);
- basesink->priv->have_latency = TRUE;
- }
- gst_base_sink_set_last_buffer (basesink, NULL);
- GST_PAD_STREAM_UNLOCK (pad);
-}
-
-static void
-gst_base_sink_flush_stop (GstBaseSink * basesink, GstPad * pad,
- gboolean reset_time)
-{
- /* unset flushing so we can accept new data, this also flushes out any EOS
- * event. */
- gst_base_sink_set_flushing (basesink, pad, FALSE);
-
- /* for position reporting */
- GST_OBJECT_LOCK (basesink);
- basesink->priv->current_sstart = GST_CLOCK_TIME_NONE;
- basesink->priv->current_sstop = GST_CLOCK_TIME_NONE;
- basesink->priv->eos_rtime = GST_CLOCK_TIME_NONE;
- basesink->priv->call_preroll = TRUE;
- basesink->priv->current_step.valid = FALSE;
- basesink->priv->pending_step.valid = FALSE;
- if (basesink->pad_mode == GST_PAD_MODE_PUSH) {
- /* we need new segment info after the flush. */
- basesink->have_newsegment = FALSE;
- if (reset_time) {
- gst_segment_init (&basesink->segment, GST_FORMAT_UNDEFINED);
- gst_segment_init (&basesink->clip_segment, GST_FORMAT_UNDEFINED);
- }
- }
- basesink->priv->reset_time = reset_time;
- GST_OBJECT_UNLOCK (basesink);
-}
-
-static gboolean
-gst_base_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
-{
- GstBaseSink *basesink;
- gboolean result = TRUE;
- GstBaseSinkClass *bclass;
-
- basesink = GST_BASE_SINK (parent);
- bclass = GST_BASE_SINK_GET_CLASS (basesink);
-
- GST_DEBUG_OBJECT (basesink, "received event %p %" GST_PTR_FORMAT, event,
- event);
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_EOS:
- {
- GstFlowReturn ret;
-
- GST_BASE_SINK_PREROLL_LOCK (basesink);
- if (G_UNLIKELY (basesink->flushing))
- goto flushing;
-
- if (G_UNLIKELY (basesink->priv->received_eos))
- goto after_eos;
-
- /* we set the received EOS flag here so that we can use it when testing if
- * we are prerolled and to refuse more buffers. */
- basesink->priv->received_eos = TRUE;
-
- /* 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,
- _PR_IS_EVENT, GST_MINI_OBJECT_CAST (event), TRUE);
- if (G_UNLIKELY (ret != GST_FLOW_OK))
- result = FALSE;
-
- GST_BASE_SINK_PREROLL_UNLOCK (basesink);
- break;
- }
- case GST_EVENT_CAPS:
- {
- GstCaps *caps;
-
- GST_DEBUG_OBJECT (basesink, "caps %p", event);
-
- gst_event_parse_caps (event, &caps);
- if (bclass->set_caps)
- result = bclass->set_caps (basesink, caps);
-
- gst_event_unref (event);
- break;
- }
- case GST_EVENT_SEGMENT:
- {
- GstFlowReturn ret;
-
- GST_DEBUG_OBJECT (basesink, "segment %p", event);
-
- GST_BASE_SINK_PREROLL_LOCK (basesink);
- if (G_UNLIKELY (basesink->flushing))
- goto flushing;
-
- if (G_UNLIKELY (basesink->priv->received_eos))
- goto after_eos;
-
- /* the new segment is a non prerollable item and does not block anything,
- * we need to configure the current clipping segment and insert the event
- * in the queue to serialize it with the buffers for rendering. */
- gst_base_sink_configure_segment (basesink, pad, event,
- &basesink->clip_segment);
-
- ret =
- gst_base_sink_queue_object_unlocked (basesink, pad,
- _PR_IS_EVENT, GST_MINI_OBJECT_CAST (event), FALSE);
- if (G_UNLIKELY (ret != GST_FLOW_OK))
- result = FALSE;
- else {
- GST_OBJECT_LOCK (basesink);
- basesink->have_newsegment = TRUE;
- GST_OBJECT_UNLOCK (basesink);
- }
- GST_BASE_SINK_PREROLL_UNLOCK (basesink);
- break;
- }
- case GST_EVENT_FLUSH_START:
- if (bclass->event)
- bclass->event (basesink, event);
-
- GST_DEBUG_OBJECT (basesink, "flush-start %p", event);
-
- gst_base_sink_flush_start (basesink, pad);
-
- gst_event_unref (event);
- break;
- case GST_EVENT_FLUSH_STOP:
- {
- gboolean reset_time;
-
- if (bclass->event)
- bclass->event (basesink, event);
-
- gst_event_parse_flush_stop (event, &reset_time);
- GST_DEBUG_OBJECT (basesink, "flush-stop %p, reset_time: %d", event,
- reset_time);
-
- gst_base_sink_flush_stop (basesink, pad, reset_time);
-
- gst_event_unref (event);
- break;
- }
- default:
- /* other events are sent to queue or subclass depending on if they
- * are serialized. */
- if (GST_EVENT_IS_SERIALIZED (event)) {
- gst_base_sink_queue_object (basesink, pad,
- GST_MINI_OBJECT_CAST (event), FALSE);
- } else {
- if (bclass->event)
- bclass->event (basesink, event);
- gst_event_unref (event);
- }
- break;
- }
-done:
- return result;
-
- /* ERRORS */
-flushing:
- {
- GST_DEBUG_OBJECT (basesink, "we are flushing");
- GST_BASE_SINK_PREROLL_UNLOCK (basesink);
- result = FALSE;
- gst_event_unref (event);
+ GST_DEBUG_OBJECT (basesink, "we are flushing");
+ GST_BASE_SINK_PREROLL_UNLOCK (basesink);
+ gst_event_unref (event);
+ result = FALSE;
goto done;
}
{
GST_DEBUG_OBJECT (basesink, "Event received after EOS, dropping");
GST_BASE_SINK_PREROLL_UNLOCK (basesink);
- result = FALSE;
gst_event_unref (event);
+ result = FALSE;
goto done;
}
}
* timestamps on a buffer, subclasses can override
*/
static void
-gst_base_sink_get_times (GstBaseSink * basesink, GstBuffer * buffer,
+gst_base_sink_default_get_times (GstBaseSink * basesink, GstBuffer * buffer,
GstClockTime * start, GstClockTime * end)
{
GstClockTime timestamp, duration;
- timestamp = GST_BUFFER_TIMESTAMP (buffer);
- if (GST_CLOCK_TIME_IS_VALID (timestamp)) {
+ /* first sync on DTS, else use PTS */
+ timestamp = GST_BUFFER_DTS (buffer);
+ if (!GST_CLOCK_TIME_IS_VALID (timestamp))
+ timestamp = GST_BUFFER_PTS (buffer);
+ if (GST_CLOCK_TIME_IS_VALID (timestamp)) {
/* get duration to calculate end time */
duration = GST_BUFFER_DURATION (buffer);
if (GST_CLOCK_TIME_IS_VALID (duration)) {
*
* Takes a buffer and compare the timestamps with the last segment.
* If the buffer falls outside of the segment boundaries, drop it.
- * Else queue the buffer for preroll and rendering.
+ * Else send the buffer for preroll and rendering.
*
* This function takes ownership of the buffer.
*/
static GstFlowReturn
gst_base_sink_chain_unlocked (GstBaseSink * basesink, GstPad * pad,
- guint8 obj_type, gpointer obj)
+ gpointer obj, gboolean is_list)
{
GstBaseSinkClass *bclass;
- GstFlowReturn result;
+ GstBaseSinkPrivate *priv = basesink->priv;
+ GstFlowReturn ret;
GstClockTime start = GST_CLOCK_TIME_NONE, end = GST_CLOCK_TIME_NONE;
- GstSegment *clip_segment;
- GstBuffer *time_buf;
+ GstSegment *segment;
+ GstBuffer *sync_buf;
+ gint do_qos;
+ gboolean late, step_end;
if (G_UNLIKELY (basesink->flushing))
goto flushing;
- if (G_UNLIKELY (basesink->priv->received_eos))
+ if (G_UNLIKELY (priv->received_eos))
goto was_eos;
- if (OBJ_IS_BUFFERLIST (obj_type)) {
- time_buf = gst_buffer_list_get (GST_BUFFER_LIST_CAST (obj), 0);
- g_assert (NULL != time_buf);
+ if (is_list) {
+ sync_buf = gst_buffer_list_get (GST_BUFFER_LIST_CAST (obj), 0);
+ g_assert (NULL != sync_buf);
} else {
- time_buf = GST_BUFFER_CAST (obj);
+ sync_buf = GST_BUFFER_CAST (obj);
}
/* for code clarity */
- clip_segment = &basesink->clip_segment;
+ segment = &basesink->segment;
if (G_UNLIKELY (!basesink->have_newsegment)) {
gboolean sync;
/* this means this sink will assume timestamps start from 0 */
GST_OBJECT_LOCK (basesink);
- clip_segment->start = 0;
- clip_segment->stop = -1;
+ segment->start = 0;
+ segment->stop = -1;
basesink->segment.start = 0;
basesink->segment.stop = -1;
basesink->have_newsegment = TRUE;
/* check if the buffer needs to be dropped, we first ask the subclass for the
* start and end */
if (bclass->get_times)
- bclass->get_times (basesink, time_buf, &start, &end);
+ bclass->get_times (basesink, sync_buf, &start, &end);
if (!GST_CLOCK_TIME_IS_VALID (start)) {
/* if the subclass does not want sync, we use our own values so that we at
* least clip the buffer to the segment */
- gst_base_sink_get_times (basesink, time_buf, &start, &end);
+ gst_base_sink_default_get_times (basesink, sync_buf, &start, &end);
}
GST_DEBUG_OBJECT (basesink, "got times start: %" GST_TIME_FORMAT
", end: %" GST_TIME_FORMAT, GST_TIME_ARGS (start), GST_TIME_ARGS (end));
/* a dropped buffer does not participate in anything */
- if (GST_CLOCK_TIME_IS_VALID (start) &&
- (clip_segment->format == GST_FORMAT_TIME)) {
- if (G_UNLIKELY (!gst_segment_clip (clip_segment,
+ if (GST_CLOCK_TIME_IS_VALID (start) && (segment->format == GST_FORMAT_TIME)) {
+ if (G_UNLIKELY (!gst_segment_clip (segment,
GST_FORMAT_TIME, start, end, NULL, NULL)))
goto out_of_segment;
}
- /* 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,
- obj_type, obj, TRUE);
- return result;
+ if (!is_list) {
+ if (bclass->prepare) {
+ ret = bclass->prepare (basesink, GST_BUFFER_CAST (obj));
+ if (G_UNLIKELY (ret != GST_FLOW_OK))
+ goto prepare_failed;
+ }
+ } else {
+ if (bclass->prepare_list) {
+ ret = bclass->prepare_list (basesink, GST_BUFFER_LIST_CAST (obj));
+ if (G_UNLIKELY (ret != GST_FLOW_OK))
+ goto prepare_failed;
+ }
+ }
+
+again:
+ late = FALSE;
+ step_end = FALSE;
+
+ /* synchronize this object, non syncable objects return OK
+ * immediately. */
+ ret = gst_base_sink_do_sync (basesink, GST_MINI_OBJECT_CAST (sync_buf),
+ &late, &step_end);
+ if (G_UNLIKELY (ret != GST_FLOW_OK))
+ goto sync_failed;
+
+ /* drop late buffers unconditionally, let's hope it's unlikely */
+ if (G_UNLIKELY (late))
+ goto dropped;
+
+ /* read once, to get same value before and after */
+ do_qos = g_atomic_int_get (&priv->qos_enabled);
+
+ GST_DEBUG_OBJECT (basesink, "rendering object %p", obj);
+
+ /* record rendering time for QoS and stats */
+ if (do_qos)
+ gst_base_sink_do_render_stats (basesink, TRUE);
+
+ if (!is_list) {
+ /* For buffer lists do not set last buffer for now. */
+ gst_base_sink_set_last_buffer (basesink, GST_BUFFER_CAST (obj));
+
+ if (bclass->render)
+ ret = bclass->render (basesink, GST_BUFFER_CAST (obj));
+ } else {
+ if (bclass->render_list)
+ ret = bclass->render_list (basesink, GST_BUFFER_LIST_CAST (obj));
+ }
+
+ if (do_qos)
+ gst_base_sink_do_render_stats (basesink, FALSE);
+
+ if (ret == GST_FLOW_STEP)
+ goto again;
+
+ if (G_UNLIKELY (basesink->flushing))
+ goto flushing;
+
+ priv->rendered++;
+
+done:
+ if (step_end) {
+ /* the step ended, check if we need to activate a new step */
+ GST_DEBUG_OBJECT (basesink, "step ended");
+ stop_stepping (basesink, &basesink->segment, &priv->current_step,
+ priv->current_rstart, priv->current_rstop, basesink->eos);
+ goto again;
+ }
+
+ gst_base_sink_perform_qos (basesink, late);
+
+ GST_DEBUG_OBJECT (basesink, "object unref after render %p", obj);
+ gst_mini_object_unref (GST_MINI_OBJECT_CAST (obj));
+
+ return ret;
/* ERRORS */
flushing:
{
GST_DEBUG_OBJECT (basesink, "sink is flushing");
gst_mini_object_unref (GST_MINI_OBJECT_CAST (obj));
- return GST_FLOW_WRONG_STATE;
+ return GST_FLOW_FLUSHING;
}
was_eos:
{
gst_mini_object_unref (GST_MINI_OBJECT_CAST (obj));
return GST_FLOW_OK;
}
+prepare_failed:
+ {
+ GST_DEBUG_OBJECT (basesink, "prepare buffer failed %s",
+ gst_flow_get_name (ret));
+ gst_mini_object_unref (GST_MINI_OBJECT_CAST (obj));
+ return ret;
+ }
+sync_failed:
+ {
+ GST_DEBUG_OBJECT (basesink, "do_sync returned %s", gst_flow_get_name (ret));
+ goto done;
+ }
+dropped:
+ {
+ priv->dropped++;
+ GST_DEBUG_OBJECT (basesink, "buffer late, dropping");
+
+ if (g_atomic_int_get (&priv->qos_enabled)) {
+ GstMessage *qos_msg;
+ GstClockTime timestamp, duration;
+
+ timestamp = GST_BUFFER_TIMESTAMP (GST_BUFFER_CAST (sync_buf));
+ duration = GST_BUFFER_DURATION (GST_BUFFER_CAST (sync_buf));
+
+ GST_CAT_DEBUG_OBJECT (GST_CAT_QOS, basesink,
+ "qos: dropped buffer rt %" GST_TIME_FORMAT ", st %" GST_TIME_FORMAT
+ ", ts %" GST_TIME_FORMAT ", dur %" GST_TIME_FORMAT,
+ GST_TIME_ARGS (priv->current_rstart),
+ GST_TIME_ARGS (priv->current_sstart), GST_TIME_ARGS (timestamp),
+ GST_TIME_ARGS (duration));
+ GST_CAT_DEBUG_OBJECT (GST_CAT_QOS, basesink,
+ "qos: rendered %" G_GUINT64_FORMAT ", dropped %" G_GUINT64_FORMAT,
+ priv->rendered, priv->dropped);
+
+ qos_msg =
+ gst_message_new_qos (GST_OBJECT_CAST (basesink), basesink->sync,
+ priv->current_rstart, priv->current_sstart, timestamp, duration);
+ gst_message_set_qos_values (qos_msg, priv->current_jitter, priv->avg_rate,
+ 1000000);
+ gst_message_set_qos_stats (qos_msg, GST_FORMAT_BUFFERS, priv->rendered,
+ priv->dropped);
+ gst_element_post_message (GST_ELEMENT_CAST (basesink), qos_msg);
+ }
+ goto done;
+ }
}
/* with STREAM_LOCK
*/
static GstFlowReturn
-gst_base_sink_chain_main (GstBaseSink * basesink, GstPad * pad,
- guint8 obj_type, gpointer obj)
+gst_base_sink_chain_main (GstBaseSink * basesink, GstPad * pad, gpointer obj,
+ gboolean is_list)
{
GstFlowReturn result;
goto wrong_mode;
GST_BASE_SINK_PREROLL_LOCK (basesink);
- result = gst_base_sink_chain_unlocked (basesink, pad, obj_type, obj);
+ result = gst_base_sink_chain_unlocked (basesink, pad, obj, is_list);
GST_BASE_SINK_PREROLL_UNLOCK (basesink);
done:
basesink = GST_BASE_SINK (parent);
- return gst_base_sink_chain_main (basesink, pad, _PR_IS_BUFFER, buf);
+ return gst_base_sink_chain_main (basesink, pad, buf, FALSE);
}
static GstFlowReturn
bclass = GST_BASE_SINK_GET_CLASS (basesink);
if (G_LIKELY (bclass->render_list)) {
- result = gst_base_sink_chain_main (basesink, pad, _PR_IS_BUFFERLIST, list);
+ result = gst_base_sink_chain_main (basesink, pad, list, TRUE);
} else {
guint i, len;
GstBuffer *buffer;
result = GST_FLOW_OK;
for (i = 0; i < len; i++) {
- buffer = gst_buffer_list_get (list, 0);
- result = gst_base_sink_chain_main (basesink, pad, _PR_IS_BUFFER,
- gst_buffer_ref (buffer));
+ buffer = gst_buffer_list_get (list, i);
+ result = gst_base_sink_chain_main (basesink, pad,
+ gst_buffer_ref (buffer), FALSE);
if (result != GST_FLOW_OK)
break;
}
basesink->segment.position = offset;
GST_BASE_SINK_PREROLL_LOCK (basesink);
- result = gst_base_sink_chain_unlocked (basesink, pad, _PR_IS_BUFFER, buf);
+ result = gst_base_sink_chain_unlocked (basesink, pad, buf, FALSE);
GST_BASE_SINK_PREROLL_UNLOCK (basesink);
if (G_UNLIKELY (result != GST_FLOW_OK))
goto paused;
* also flush out the EOS state */
GST_DEBUG_OBJECT (basesink,
"flushing out data thread, need preroll to TRUE");
- gst_base_sink_preroll_queue_flush (basesink, pad);
+
+ /* we can't have EOS anymore now */
+ basesink->eos = FALSE;
+ basesink->priv->received_eos = FALSE;
+ basesink->have_preroll = FALSE;
+ basesink->priv->step_unlock = FALSE;
+ /* can't report latency anymore until we preroll again */
+ if (basesink->priv->async_enabled) {
+ GST_OBJECT_LOCK (basesink);
+ basesink->priv->have_latency = FALSE;
+ GST_OBJECT_UNLOCK (basesink);
+ }
+ /* and signal any waiters now */
+ GST_BASE_SINK_PREROLL_SIGNAL (basesink);
}
GST_BASE_SINK_PREROLL_UNLOCK (basesink);
}
/* ok activate now */
- if (!gst_pad_activate_pull (pad, TRUE)) {
+ if (!gst_pad_activate_mode (pad, GST_PAD_MODE_PULL, TRUE)) {
/* clear any pending caps */
GST_OBJECT_LOCK (basesink);
- gst_caps_replace (&basesink->priv->pull_caps, NULL);
+ gst_caps_replace (&basesink->priv->caps, NULL);
GST_OBJECT_UNLOCK (basesink);
GST_DEBUG_OBJECT (basesink, "failed to activate in pull mode");
goto fallback;
/* push mode fallback */
fallback:
GST_DEBUG_OBJECT (basesink, "Falling back to push mode");
- if ((result = gst_pad_activate_push (pad, TRUE))) {
+ if ((result = gst_pad_activate_mode (pad, GST_PAD_MODE_PUSH, TRUE))) {
GST_DEBUG_OBJECT (basesink, "Success activating push mode");
}
pull() without setcaps() */
result = TRUE;
} else {
- caps = gst_caps_make_writable (caps);
/* try to fixate */
- gst_base_sink_fixate (basesink, caps);
+ caps = gst_base_sink_fixate (basesink, caps);
GST_DEBUG_OBJECT (basesink, "fixated to: %" GST_PTR_FORMAT, caps);
if (gst_caps_is_fixed (caps)) {
- if (!gst_pad_send_event (GST_BASE_SINK_PAD (basesink),
- gst_event_new_caps (caps)))
+ if (!gst_pad_set_caps (GST_BASE_SINK_PAD (basesink), caps))
goto could_not_set_caps;
- GST_OBJECT_LOCK (basesink);
- gst_caps_replace (&basesink->priv->pull_caps, caps);
- GST_OBJECT_UNLOCK (basesink);
-
result = TRUE;
}
}
* mode works just fine without having a newsegment before the
* first buffer */
gst_segment_init (&basesink->segment, GST_FORMAT_BYTES);
- gst_segment_init (&basesink->clip_segment, GST_FORMAT_BYTES);
GST_OBJECT_LOCK (basesink);
basesink->have_newsegment = TRUE;
GST_OBJECT_UNLOCK (basesink);
if (result) {
GST_DEBUG_OBJECT (basesink,
"setting duration in bytes to %" G_GINT64_FORMAT, duration);
- basesink->clip_segment.duration = duration;
basesink->segment.duration = duration;
} else {
GST_DEBUG_OBJECT (basesink, "unknown duration");
if (bclass->activate_pull)
result &= bclass->activate_pull (basesink, FALSE);
basesink->pad_mode = GST_PAD_MODE_NONE;
- /* clear any pending caps */
- GST_OBJECT_LOCK (basesink);
- gst_caps_replace (&basesink->priv->pull_caps, NULL);
- GST_OBJECT_UNLOCK (basesink);
}
}
}
}
+static gboolean
+gst_base_sink_pad_activate_mode (GstPad * pad, GstObject * parent,
+ GstPadMode mode, gboolean active)
+{
+ gboolean res;
+
+ switch (mode) {
+ case GST_PAD_MODE_PULL:
+ res = gst_base_sink_pad_activate_pull (pad, parent, active);
+ break;
+ case GST_PAD_MODE_PUSH:
+ res = gst_base_sink_pad_activate_push (pad, parent, active);
+ break;
+ default:
+ GST_LOG_OBJECT (pad, "unknown activation mode %d", mode);
+ res = FALSE;
+ break;
+ }
+ return res;
+}
+
/* send an event to our sinkpad peer. */
static gboolean
gst_base_sink_send_event (GstElement * element, GstEvent * event)
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_PAD_MODE_PUSH)
- segment = &basesink->clip_segment;
- else
- segment = &basesink->segment;
+ segment = &basesink->segment;
/* get the format in the segment */
oformat = segment->format;
static gboolean
-default_sink_query (GstBaseSink * basesink, GstQuery * query)
+gst_base_sink_default_query (GstBaseSink * basesink, GstQuery * query)
{
gboolean res;
GstBaseSinkClass *bclass;
res = TRUE;
break;
}
+ case GST_QUERY_ACCEPT_CAPS:
+ {
+ GstCaps *caps, *allowed;
+ gboolean subset;
+
+ /* slightly faster than the default implementation */
+ gst_query_parse_accept_caps (query, &caps);
+ allowed = gst_base_sink_query_caps (basesink, basesink->sinkpad, NULL);
+ subset = gst_caps_is_subset (caps, allowed);
+ gst_caps_unref (allowed);
+ gst_query_set_accept_caps_result (query, subset);
+ res = TRUE;
+ break;
+ }
+ case GST_QUERY_DRAIN:
+ res = TRUE;
+ break;
default:
res =
gst_pad_query_default (basesink->sinkpad, GST_OBJECT_CAST (basesink),
GST_DEBUG_OBJECT (basesink, "READY to PAUSED");
basesink->have_newsegment = FALSE;
gst_segment_init (&basesink->segment, GST_FORMAT_UNDEFINED);
- gst_segment_init (&basesink->clip_segment, GST_FORMAT_UNDEFINED);
basesink->offset = 0;
basesink->have_preroll = FALSE;
priv->step_unlock = FALSE;
basesink->need_preroll = TRUE;
basesink->playing_async = TRUE;
- basesink->priv->reset_time = FALSE;
priv->current_sstart = GST_CLOCK_TIME_NONE;
priv->current_sstop = GST_CLOCK_TIME_NONE;
priv->eos_rtime = GST_CLOCK_TIME_NONE;
gst_clock_id_unref (priv->cached_clock_id);
priv->cached_clock_id = NULL;
}
+ gst_caps_replace (&basesink->priv->caps, NULL);
GST_OBJECT_UNLOCK (basesink);
gst_base_sink_set_last_buffer (basesink, NULL);
projects / platform / upstream / gstreamer.git / blobdiff