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basesink: remove obsolete code

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Remove the preroll queue and proceed directly to the rendering of objects.
This commit is contained in:
Wim Taymans 2011-12-02 12:20:02 +01:00
parent 18291a6b40
commit 68cc637e87
2 changed files with 1 additions and 90 deletions
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89
libs/gst/base/gstbasesink.c
View file

@ -174,14 +174,8 @@ typedef struct
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;
@ -650,7 +644,6 @@ gst_base_sink_init (GstBaseSink * basesink, gpointer g_class)
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 ();
priv->have_latency = FALSE;
basesink->can_activate_push = DEFAULT_CAN_ACTIVATE_PUSH;
@ -679,7 +672,6 @@ gst_base_sink_finalize (GObject * object)
g_mutex_free (basesink->preroll_lock);
g_cond_free (basesink->preroll_cond);
g_queue_free (basesink->priv->preroll_queue);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
@ -1415,20 +1407,11 @@ gst_base_sink_set_caps (GstBaseSink * sink, GstCaps * caps)
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);
@ -3064,7 +3047,6 @@ gst_base_sink_preroll_object (GstBaseSink * basesink, guint8 obj_type,
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);
@ -3073,10 +3055,8 @@ gst_base_sink_preroll_object (GstBaseSink * basesink, guint8 obj_type,
buf = GST_BUFFER_CAST (obj);
}
timestamp = GST_BUFFER_TIMESTAMP (buf);
GST_DEBUG_OBJECT (basesink, "preroll buffer %" GST_TIME_FORMAT,
GST_TIME_ARGS (timestamp));
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)));
/*
* For buffer lists do not set last buffer. Creating buffer
@ -3130,78 +3110,11 @@ 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

2
libs/gst/base/gstbasesink.h
View file

@ -82,7 +82,6 @@ struct _GstBaseSink {
GMutex *preroll_lock;
GCond *preroll_cond;
gboolean eos;
gboolean eos_queued;
gboolean need_preroll;
gboolean have_preroll;
gboolean playing_async;
@ -94,7 +93,6 @@ struct _GstBaseSink {
/*< private >*/ /* with LOCK */
GstClockID clock_id;
GstClockTime end_time;
gboolean sync;
gboolean flushing;
gboolean running;