libs/gst/base/gstbasetransform.*: Make basetransform virtual method for src events too.

Original commit message from CVS:
* libs/gst/base/gstbasetransform.c:
(gst_base_transform_class_init), (gst_base_transform_init),
(gst_base_transform_sink_event),
(gst_base_transform_sink_eventfunc),
(gst_base_transform_src_event), (gst_base_transform_src_eventfunc),
(gst_base_transform_handle_buffer), (gst_base_transform_chain),
(gst_base_transform_set_property),
(gst_base_transform_get_property),
(gst_base_transform_change_state), (gst_base_transform_update_qos),
(gst_base_transform_set_qos_enabled),
(gst_base_transform_is_qos_enabled):
* libs/gst/base/gstbasetransform.h:
Make basetransform virtual method for src events too.
Handle QOS in basetransform.
API: gst_base_transform_update_qos
API: gst_base_transform_set_qos_enabled
API: gst_base_transform_is_qos_enabled
This commit is contained in:
Wim Taymans 2006-03-13 11:27:57 +00:00
parent 7c9402d5ab
commit 1dcaa1fc4b
3 changed files with 242 additions and 13 deletions

View file

@ -1,3 +1,23 @@
2006-03-13 Wim Taymans <wim@fluendo.com>
* libs/gst/base/gstbasetransform.c:
(gst_base_transform_class_init), (gst_base_transform_init),
(gst_base_transform_sink_event),
(gst_base_transform_sink_eventfunc),
(gst_base_transform_src_event), (gst_base_transform_src_eventfunc),
(gst_base_transform_handle_buffer), (gst_base_transform_chain),
(gst_base_transform_set_property),
(gst_base_transform_get_property),
(gst_base_transform_change_state), (gst_base_transform_update_qos),
(gst_base_transform_set_qos_enabled),
(gst_base_transform_is_qos_enabled):
* libs/gst/base/gstbasetransform.h:
Make basetransform virtual method for src events too.
Handle QOS in basetransform.
API: gst_base_transform_update_qos
API: gst_base_transform_set_qos_enabled
API: gst_base_transform_is_qos_enabled
2006-03-13 Wim Taymans <wim@fluendo.com>
* libs/gst/base/gstbasesink.c: (gst_base_sink_init),

View file

@ -188,6 +188,7 @@
#include <stdlib.h>
#include <string.h>
#include "../../../gst/gst_private.h"
#include "../../../gst/gst-i18n-lib.h"
#include "gstbasetransform.h"
#include <gst/gstmarshal.h>
@ -202,9 +203,23 @@ enum
LAST_SIGNAL
};
#define DEFAULT_PROP_QOS FALSE
enum
{
PROP_0,
PROP_QOS
};
#define GST_BASE_TRANSFORM_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), GST_TYPE_BASE_TRANSFORM, GstBaseTransformPrivate))
struct _GstBaseTransformPrivate
{
/* QoS *//* with LOCK */
gboolean qos_enabled;
gdouble proportion;
GstClockTime earliest_time;
};
static GstElementClass *parent_class = NULL;
@ -255,8 +270,11 @@ static gboolean gst_base_transform_get_unit_size (GstBaseTransform * trans,
static GstStateChangeReturn gst_base_transform_change_state (GstElement *
element, GstStateChange transition);
static gboolean gst_base_transform_event (GstPad * pad, GstEvent * event);
static gboolean gst_base_transform_eventfunc (GstBaseTransform * trans,
static gboolean gst_base_transform_src_event (GstPad * pad, GstEvent * event);
static gboolean gst_base_transform_src_eventfunc (GstBaseTransform * trans,
GstEvent * event);
static gboolean gst_base_transform_sink_event (GstPad * pad, GstEvent * event);
static gboolean gst_base_transform_sink_eventfunc (GstBaseTransform * trans,
GstEvent * event);
static GstFlowReturn gst_base_transform_getrange (GstPad * pad, guint64 offset,
guint length, GstBuffer ** buffer);
@ -297,6 +315,8 @@ gst_base_transform_class_init (GstBaseTransformClass * klass)
gobject_class = G_OBJECT_CLASS (klass);
gstelement_class = GST_ELEMENT_CLASS (klass);
g_type_class_add_private (klass, sizeof (GstBaseTransformPrivate));
parent_class = g_type_class_peek_parent (klass);
gobject_class->set_property =
@ -304,13 +324,18 @@ gst_base_transform_class_init (GstBaseTransformClass * klass)
gobject_class->get_property =
GST_DEBUG_FUNCPTR (gst_base_transform_get_property);
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_QOS,
g_param_spec_boolean ("qos", "QoS", "handle QoS messages",
DEFAULT_PROP_QOS, G_PARAM_READWRITE));
gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_base_transform_finalize);
gstelement_class->change_state =
GST_DEBUG_FUNCPTR (gst_base_transform_change_state);
klass->passthrough_on_same_caps = FALSE;
klass->event = GST_DEBUG_FUNCPTR (gst_base_transform_eventfunc);
klass->event = GST_DEBUG_FUNCPTR (gst_base_transform_sink_eventfunc);
klass->src_event = GST_DEBUG_FUNCPTR (gst_base_transform_src_eventfunc);
}
static void
@ -321,6 +346,8 @@ gst_base_transform_init (GstBaseTransform * trans,
GST_DEBUG ("gst_base_transform_init");
trans->priv = GST_BASE_TRANSFORM_GET_PRIVATE (trans);
pad_template =
gst_element_class_get_pad_template (GST_ELEMENT_CLASS (bclass), "sink");
g_return_if_fail (pad_template != NULL);
@ -330,7 +357,7 @@ gst_base_transform_init (GstBaseTransform * trans,
gst_pad_set_setcaps_function (trans->sinkpad,
GST_DEBUG_FUNCPTR (gst_base_transform_setcaps));
gst_pad_set_event_function (trans->sinkpad,
GST_DEBUG_FUNCPTR (gst_base_transform_event));
GST_DEBUG_FUNCPTR (gst_base_transform_sink_event));
gst_pad_set_chain_function (trans->sinkpad,
GST_DEBUG_FUNCPTR (gst_base_transform_chain));
gst_pad_set_activatepush_function (trans->sinkpad,
@ -347,6 +374,8 @@ gst_base_transform_init (GstBaseTransform * trans,
GST_DEBUG_FUNCPTR (gst_base_transform_getcaps));
gst_pad_set_setcaps_function (trans->srcpad,
GST_DEBUG_FUNCPTR (gst_base_transform_setcaps));
gst_pad_set_event_function (trans->srcpad,
GST_DEBUG_FUNCPTR (gst_base_transform_src_event));
gst_pad_set_getrange_function (trans->srcpad,
GST_DEBUG_FUNCPTR (gst_base_transform_getrange));
gst_pad_set_activatepull_function (trans->srcpad,
@ -356,6 +385,7 @@ gst_base_transform_init (GstBaseTransform * trans,
trans->transform_lock = g_mutex_new ();
trans->delay_configure = FALSE;
trans->pending_configure = FALSE;
trans->priv->qos_enabled = DEFAULT_PROP_QOS;
trans->cache_caps1 = NULL;
trans->cache_caps2 = NULL;
@ -1085,7 +1115,7 @@ unknown_size:
}
static gboolean
gst_base_transform_event (GstPad * pad, GstEvent * event)
gst_base_transform_sink_event (GstPad * pad, GstEvent * event)
{
GstBaseTransform *trans;
GstBaseTransformClass *bclass;
@ -1100,7 +1130,7 @@ gst_base_transform_event (GstPad * pad, GstEvent * event)
/* FIXME, do this in the default event handler so the subclass can do
* something different. */
if (ret)
ret = gst_pad_event_default (pad, event);
ret = gst_pad_push_event (trans->srcpad, event);
gst_object_unref (trans);
@ -1108,12 +1138,17 @@ gst_base_transform_event (GstPad * pad, GstEvent * event)
}
static gboolean
gst_base_transform_eventfunc (GstBaseTransform * trans, GstEvent * event)
gst_base_transform_sink_eventfunc (GstBaseTransform * trans, GstEvent * event)
{
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_START:
break;
case GST_EVENT_FLUSH_STOP:
GST_OBJECT_LOCK (trans);
/* reset QoS parameters */
trans->priv->proportion = 1.0;
trans->priv->earliest_time = -1;
GST_OBJECT_UNLOCK (trans);
/* we need new segment info after the flush. */
gst_segment_init (&trans->segment, GST_FORMAT_UNDEFINED);
break;
@ -1163,6 +1198,53 @@ gst_base_transform_eventfunc (GstBaseTransform * trans, GstEvent * event)
return TRUE;
}
static gboolean
gst_base_transform_src_event (GstPad * pad, GstEvent * event)
{
GstBaseTransform *trans;
GstBaseTransformClass *bclass;
gboolean ret = TRUE;
trans = GST_BASE_TRANSFORM (gst_pad_get_parent (pad));
bclass = GST_BASE_TRANSFORM_GET_CLASS (trans);
if (bclass->src_event)
ret = bclass->src_event (trans, event);
gst_object_unref (trans);
return ret;
}
static gboolean
gst_base_transform_src_eventfunc (GstBaseTransform * trans, GstEvent * event)
{
gboolean ret;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEEK:
break;
case GST_EVENT_NAVIGATION:
break;
case GST_EVENT_QOS:
{
gdouble proportion;
GstClockTimeDiff diff;
GstClockTime timestamp;
gst_event_parse_qos (event, &proportion, &diff, &timestamp);
gst_base_transform_update_qos (trans, proportion, diff, timestamp);
break;
}
default:
break;
}
ret = gst_pad_push_event (trans->sinkpad, event);
return ret;
}
static GstFlowReturn
gst_base_transform_handle_buffer (GstBaseTransform * trans, GstBuffer * inbuf,
GstBuffer ** outbuf)
@ -1171,6 +1253,7 @@ gst_base_transform_handle_buffer (GstBaseTransform * trans, GstBuffer * inbuf,
GstFlowReturn ret = GST_FLOW_OK;
guint out_size;
gboolean want_in_place;
GstClockTime outtime;
bclass = GST_BASE_TRANSFORM_GET_CLASS (trans);
@ -1189,6 +1272,26 @@ gst_base_transform_handle_buffer (GstBaseTransform * trans, GstBuffer * inbuf,
if (!trans->negotiated && !trans->passthrough && (bclass->set_caps != NULL))
goto not_negotiated;
if ((outtime = GST_BUFFER_TIMESTAMP (inbuf)) != -1) {
gboolean need_skip;
GstClockTime earliest_time;
GST_OBJECT_LOCK (trans);
earliest_time = trans->priv->earliest_time;
/* check for QoS, don't perform conversion for buffers
* that are known to be late. */
need_skip = trans->priv->qos_enabled &&
earliest_time != -1 && outtime <= earliest_time;
GST_OBJECT_UNLOCK (trans);
if (need_skip) {
GST_CAT_DEBUG_OBJECT (GST_CAT_QOS, trans, "skipping transform: outtime %"
GST_TIME_FORMAT " <= %" GST_TIME_FORMAT,
GST_TIME_ARGS (outtime), GST_TIME_ARGS (earliest_time));
goto skip;
}
}
if (trans->passthrough) {
/* In passthrough mode, give transform_ip a look at the
* buffer, without making it writable, or just push the
@ -1260,6 +1363,7 @@ gst_base_transform_handle_buffer (GstBaseTransform * trans, GstBuffer * inbuf,
if (!success)
goto configure_failed;
}
skip:
gst_buffer_unref (inbuf);
return ret;
@ -1334,10 +1438,13 @@ gst_base_transform_chain (GstPad * pad, GstBuffer * buffer)
ret = gst_base_transform_handle_buffer (trans, buffer, &outbuf);
g_mutex_unlock (trans->transform_lock);
if (ret == GST_FLOW_OK) {
ret = gst_pad_push (trans->srcpad, outbuf);
} else if (outbuf != NULL)
gst_buffer_unref (outbuf);
/* outbuf can be NULL, this means a dropped buffer */
if (outbuf != NULL) {
if (ret == GST_FLOW_OK)
ret = gst_pad_push (trans->srcpad, outbuf);
else
gst_buffer_unref (outbuf);
}
gst_object_unref (trans);
@ -1353,6 +1460,9 @@ gst_base_transform_set_property (GObject * object, guint prop_id,
trans = GST_BASE_TRANSFORM (object);
switch (prop_id) {
case PROP_QOS:
gst_base_transform_set_qos_enabled (trans, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -1368,6 +1478,9 @@ gst_base_transform_get_property (GObject * object, guint prop_id,
trans = GST_BASE_TRANSFORM (object);
switch (prop_id) {
case PROP_QOS:
g_value_set_boolean (value, gst_base_transform_is_qos_enabled (trans));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -1441,6 +1554,8 @@ gst_base_transform_change_state (GstElement * element,
trans->negotiated = FALSE;
trans->have_newsegment = FALSE;
gst_segment_init (&trans->segment, GST_FORMAT_UNDEFINED);
trans->priv->proportion = 1.0;
trans->priv->earliest_time = -1;
GST_OBJECT_UNLOCK (trans);
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
@ -1598,3 +1713,82 @@ gst_base_transform_is_in_place (GstBaseTransform * trans)
return result;
}
/**
* gst_base_transform_update_qos:
* @trans: a #GstBaseTransform
* @proportion: the proportion
* @diff: the diff against the clock
* @timestamp: the timestamp of the buffer generating the QoS
*
* Set the QoS parameters in the transform.
*
* Since: 0.10.5
*
* MT safe.
*/
void
gst_base_transform_update_qos (GstBaseTransform * trans,
gdouble proportion, GstClockTimeDiff diff, GstClockTime timestamp)
{
g_return_if_fail (trans != NULL);
GST_CAT_DEBUG_OBJECT (GST_CAT_QOS, trans,
"qos: proportion: %lf, diff %" G_GINT64_FORMAT ", timestamp %"
GST_TIME_FORMAT, proportion, diff, GST_TIME_ARGS (timestamp));
GST_OBJECT_LOCK (trans);
trans->priv->proportion = proportion;
trans->priv->earliest_time = timestamp + diff;
GST_OBJECT_UNLOCK (trans);
}
/**
* gst_base_transform_set_qos_enabled:
* @trans: a #GstBaseTransform
* @enabled: new state
*
* Enable or disable QoS handling in the transform.
*
* Since: 0.10.5
*
* MT safe.
*/
void
gst_base_transform_set_qos_enabled (GstBaseTransform * trans, gboolean enabled)
{
g_return_if_fail (trans != NULL);
GST_CAT_DEBUG_OBJECT (GST_CAT_QOS, trans, "enabled: %d", enabled);
GST_OBJECT_LOCK (trans);
trans->priv->qos_enabled = enabled;
GST_OBJECT_UNLOCK (trans);
}
/**
* gst_base_transform_is_qos_enabled:
* @trans: a #GstBaseTransform
*
* Queries if the transform will handle QoS.
*
* Returns: TRUE if QoS is enabled.
*
* Since: 0.10.5
*
* MT safe.
*/
gboolean
gst_base_transform_is_qos_enabled (GstBaseTransform * trans)
{
gboolean result;
g_return_val_if_fail (trans != NULL, FALSE);
GST_OBJECT_LOCK (trans);
result = trans->priv->qos_enabled;
GST_OBJECT_UNLOCK (trans);
return result;
}

View file

@ -70,6 +70,8 @@ G_BEGIN_DECLS
typedef struct _GstBaseTransform GstBaseTransform;
typedef struct _GstBaseTransformClass GstBaseTransformClass;
typedef struct _GstBaseTransformPrivate GstBaseTransformPrivate;
/**
* GstBaseTransform:
@ -107,7 +109,9 @@ struct _GstBaseTransform {
GMutex *transform_lock;
/*< private >*/
gpointer _gst_reserved[GST_PADDING_LARGE];
GstBaseTransformPrivate *priv;
gpointer _gst_reserved[GST_PADDING_LARGE - 1];
};
/**
@ -157,6 +161,7 @@ struct _GstBaseTransformClass {
gboolean (*start) (GstBaseTransform *trans);
gboolean (*stop) (GstBaseTransform *trans);
/* sink event */
gboolean (*event) (GstBaseTransform *trans, GstEvent *event);
/* transform one incoming buffer to one outgoing buffer.
@ -180,8 +185,11 @@ struct _GstBaseTransformClass {
GstFlowReturn (*prepare_output_buffer) (GstBaseTransform * trans,
GstBuffer *input, gint size, GstCaps *caps, GstBuffer **buf);
/* src event */
gboolean (*src_event) (GstBaseTransform *trans, GstEvent *event);
/*< private >*/
gpointer _gst_reserved[GST_PADDING_LARGE];
gpointer _gst_reserved[GST_PADDING_LARGE - 1];
};
GType gst_base_transform_get_type (void);
@ -194,6 +202,13 @@ void gst_base_transform_set_in_place (GstBaseTransform *trans,
gboolean in_place);
gboolean gst_base_transform_is_in_place (GstBaseTransform *trans);
void gst_base_transform_update_qos (GstBaseTransform *trans,
gdouble proportion,
GstClockTimeDiff diff,
GstClockTime timestamp);
void gst_base_transform_set_qos_enabled (GstBaseTransform *trans,
gboolean enabled);
gboolean gst_base_transform_is_qos_enabled (GstBaseTransform *trans);
G_END_DECLS