Commit e23e3d6b authored by Olivier Crête's avatar Olivier Crête 👻

freeze: Port to 1.0 API

parent ab24971a
......@@ -313,7 +313,7 @@ dnl Make sure you have a space before and after all plugins
GST_PLUGINS_NONPORTED=" aiff \
cdxaparse \
dccp faceoverlay \
fieldanalysis freeverb freeze frei0r \
fieldanalysis freeverb frei0r \
hdvparse inter ivfparse jp2kdecimator \
kate librfb \
mpegpsmux mve mxf mythtv nsf nuvdemux \
......
......@@ -33,8 +33,6 @@
#include "config.h"
#endif
#include <gst/gst.h>
#include "gstfreeze.h"
GST_DEBUG_CATEGORY_STATIC (freeze_debug);
......@@ -63,24 +61,27 @@ static void gst_freeze_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_freeze_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstFlowReturn gst_freeze_chain (GstPad * pad, GstBuffer * buffer);
static GstFlowReturn gst_freeze_chain (GstPad * pad, GstObject * parent,
GstBuffer * buffer);
static GstStateChangeReturn gst_freeze_change_state (GstElement * element,
GstStateChange transition);
static GstFlowReturn gst_freeze_play (GstPad * pad, GstBuffer * buff);
static void gst_freeze_loop (GstPad * pad);
static gboolean gst_freeze_sink_activate (GstPad * sinkpad);
static gboolean gst_freeze_sink_activate_pull (GstPad * sinkpad,
gboolean active);
static gboolean gst_freeze_sink_event (GstPad * pad, GstEvent * event);
static GstFlowReturn gst_freeze_play (GstFreeze * freeze, GstBuffer * buff);
static void gst_freeze_loop (GstFreeze * freeze);
static gboolean gst_freeze_sink_activate (GstPad * sinkpad, GstObject * parent);
static gboolean gst_freeze_sink_activate_mode (GstPad * sinkpad,
GstObject * parent, GstPadMode mode, gboolean active);
static gboolean gst_freeze_sink_event (GstPad * pad, GstObject * parent,
GstEvent * event);
static void gst_freeze_clear_buffer (GstFreeze * freeze);
static void gst_freeze_buffer_free (gpointer data, gpointer user_data);
GST_BOILERPLATE (GstFreeze, gst_freeze, GstElement, GST_TYPE_ELEMENT);
G_DEFINE_TYPE (GstFreeze, gst_freeze, GST_TYPE_ELEMENT);
static void
gst_freeze_base_init (gpointer klass)
gst_freeze_class_init (GstFreezeClass * klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_set_details_simple (element_class, "Stream freezer",
......@@ -94,14 +95,6 @@ gst_freeze_base_init (gpointer klass)
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_freeze_src_template));
}
static void
gst_freeze_class_init (GstFreezeClass * klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
element_class->change_state = gst_freeze_change_state;
object_class->set_property = gst_freeze_set_property;
object_class->get_property = gst_freeze_get_property;
......@@ -118,28 +111,30 @@ gst_freeze_class_init (GstFreezeClass * klass)
}
static void
gst_freeze_init (GstFreeze * freeze, GstFreezeClass * klass)
gst_freeze_init (GstFreeze * freeze)
{
freeze->sinkpad =
gst_pad_new_from_static_template (&gst_freeze_sink_template, "sink");
gst_element_add_pad (GST_ELEMENT (freeze), freeze->sinkpad);
gst_pad_set_activate_function (freeze->sinkpad, gst_freeze_sink_activate);
gst_pad_set_activatepull_function (freeze->sinkpad,
gst_freeze_sink_activate_pull);
gst_pad_set_activatemode_function (freeze->sinkpad,
gst_freeze_sink_activate_mode);
gst_pad_set_chain_function (freeze->sinkpad, gst_freeze_chain);
gst_pad_set_getcaps_function (freeze->sinkpad, gst_pad_proxy_getcaps);
GST_PAD_SET_PROXY_CAPS (freeze->sinkpad);
GST_PAD_SET_PROXY_ALLOCATION (freeze->sinkpad);
gst_pad_set_event_function (freeze->sinkpad, gst_freeze_sink_event);
gst_element_add_pad (GST_ELEMENT (freeze), freeze->sinkpad);
freeze->srcpad =
gst_pad_new_from_static_template (&gst_freeze_src_template, "src");
GST_PAD_SET_PROXY_CAPS (freeze->srcpad);
GST_PAD_SET_PROXY_ALLOCATION (freeze->srcpad);
GST_PAD_SET_PROXY_SCHEDULING (freeze->srcpad);
gst_element_add_pad (GST_ELEMENT (freeze), freeze->srcpad);
gst_pad_set_getcaps_function (freeze->srcpad, gst_pad_proxy_getcaps);
freeze->timestamp_offset = 0;
freeze->running_time = 0;
freeze->current = NULL;
freeze->max_buffers = 1;
freeze->on_flush = FALSE;
freeze->buffers = g_queue_new ();
}
......@@ -152,7 +147,7 @@ gst_freeze_dispose (GObject * object)
g_queue_free (freeze->buffers);
G_OBJECT_CLASS (parent_class)->dispose (object);
G_OBJECT_CLASS (gst_freeze_parent_class)->dispose (object);
}
static void
......@@ -188,9 +183,11 @@ gst_freeze_get_property (GObject * object, guint prop_id,
}
static GstFlowReturn
gst_freeze_chain (GstPad * pad, GstBuffer * buffer)
gst_freeze_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
{
return gst_freeze_play (pad, buffer);
GstFreeze *freeze = GST_FREEZE (parent);
return gst_freeze_play (freeze, buffer);
}
......@@ -198,73 +195,35 @@ static GstStateChangeReturn
gst_freeze_change_state (GstElement * element, GstStateChange transition)
{
GstFreeze *freeze = GST_FREEZE (element);
GstStateChangeReturn return_val = GST_STATE_CHANGE_SUCCESS;
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:
break;
case GST_STATE_CHANGE_NULL_TO_READY:
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
freeze->timestamp_offset = freeze->running_time = 0;
break;
default:
break;
}
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return_val =
GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
case GST_STATE_CHANGE_READY_TO_NULL:
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
freeze->timestamp_offset = freeze->running_time = 0;
break;
default:
break;
}
return return_val;
return GST_ELEMENT_CLASS (gst_freeze_parent_class)->change_state (element,
transition);
}
static GstFlowReturn
gst_freeze_play (GstPad * pad, GstBuffer * buff)
gst_freeze_play (GstFreeze * freeze, GstBuffer * buf)
{
GstFreeze *freeze;
GstFlowReturn ret = GST_FLOW_OK;
GstBuffer *outbuf;
freeze = GST_FREEZE (gst_pad_get_parent (pad));
if (freeze->on_flush) {
g_object_unref (freeze);
return GST_FLOW_FLUSHING;
}
/* If it is working in push mode this function will be called by "_chain"
and buff will never be NULL. In pull mode this function will be called
by _loop and buff will be NULL */
if (!buff) {
ret =
gst_pad_pull_range (GST_PAD (freeze->sinkpad), freeze->offset, 4096,
&buff);
if (ret != GST_FLOW_OK) {
gst_object_unref (freeze);
return ret;
}
freeze->offset += GST_BUFFER_SIZE (buff);
}
if (freeze->current == NULL)
freeze->timestamp_offset = GST_BUFFER_TIMESTAMP (buf);
if (g_queue_get_length (freeze->buffers) < freeze->max_buffers ||
freeze->max_buffers == 0) {
g_queue_push_tail (freeze->buffers, buff);
g_queue_push_tail (freeze->buffers, buf);
GST_DEBUG_OBJECT (freeze, "accepted buffer %u",
g_queue_get_length (freeze->buffers) - 1);
} else {
gst_buffer_unref (buff);
gst_buffer_unref (buf);
}
......@@ -280,43 +239,72 @@ gst_freeze_play (GstPad * pad, GstBuffer * buff)
freeze->current = g_queue_peek_head (freeze->buffers);
}
GST_BUFFER_TIMESTAMP (freeze->current) = freeze->timestamp_offset +
outbuf = gst_buffer_copy (freeze->current);
GST_BUFFER_TIMESTAMP (outbuf) = freeze->timestamp_offset +
freeze->running_time;
freeze->running_time += GST_BUFFER_DURATION (freeze->current);
gst_buffer_ref (freeze->current);
ret = gst_pad_push (freeze->srcpad, freeze->current);
gst_object_unref (freeze);
ret = gst_pad_push (freeze->srcpad, outbuf);
return ret;
}
static void
gst_freeze_loop (GstPad * pad)
gst_freeze_loop (GstFreeze * freeze)
{
gst_freeze_play (pad, NULL);
GstBuffer *buf;
GstFlowReturn ret;
ret = gst_pad_pull_range (freeze->sinkpad, freeze->offset, 4096, &buf);
if (ret != GST_FLOW_OK)
return;
freeze->offset += gst_buffer_get_size (buf);
gst_freeze_play (freeze, buf);
}
static gboolean
gst_freeze_sink_activate (GstPad * sinkpad)
gst_freeze_sink_activate (GstPad * sinkpad, GstObject * parent)
{
if (gst_pad_check_pull_range (sinkpad)) {
return gst_pad_activate_pull (sinkpad, TRUE);
} else {
return gst_pad_activate_push (sinkpad, TRUE);
}
GstQuery *query;
GstPadMode mode;
query = gst_query_new_scheduling ();
if (!gst_pad_peer_query (sinkpad, query))
goto no_valid_mode;
if (gst_query_has_scheduling_mode (query, GST_PAD_MODE_PULL))
mode = GST_PAD_MODE_PULL;
else if (gst_query_has_scheduling_mode (query, GST_PAD_MODE_PUSH))
mode = GST_PAD_MODE_PUSH;
else
goto no_valid_mode;
gst_query_unref (query);
return gst_pad_activate_mode (sinkpad, mode, TRUE);
no_valid_mode:
return FALSE;
}
static gboolean
gst_freeze_sink_activate_pull (GstPad * sinkpad, gboolean active)
gst_freeze_sink_activate_mode (GstPad * sinkpad, GstObject * parent,
GstPadMode mode, gboolean active)
{
GstFreeze *freeze = GST_FREEZE (parent);
gboolean result;
if (mode != GST_PAD_MODE_PULL)
return TRUE;
if (active) {
/* if we have a scheduler we can start the task */
result = gst_pad_start_task (sinkpad,
(GstTaskFunction) gst_freeze_loop, sinkpad, NULL);
(GstTaskFunction) gst_freeze_loop, freeze, NULL);
} else {
result = gst_pad_stop_task (sinkpad);
}
......@@ -341,11 +329,10 @@ gst_freeze_clear_buffer (GstFreeze * freeze)
}
static gboolean
gst_freeze_sink_event (GstPad * pad, GstEvent * event)
gst_freeze_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstFreeze *freeze = GST_FREEZE (parent);
gboolean ret = TRUE;
GstFreeze *freeze = GST_FREEZE (gst_pad_get_parent (pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
......@@ -353,17 +340,15 @@ gst_freeze_sink_event (GstPad * pad, GstEvent * event)
gst_pad_get_name (GST_PAD (freeze->sinkpad)));
gst_event_unref (event);
break;
case GST_EVENT_NEWSEGMENT:
/* FALL TROUGH */
case GST_EVENT_STREAM_START:
case GST_EVENT_FLUSH_STOP:
gst_freeze_clear_buffer (freeze);
/* FALL TROUGH */
default:
ret = gst_pad_event_default (GST_PAD (freeze->sinkpad), event);
ret = gst_pad_event_default (GST_PAD (freeze->sinkpad), parent, event);
break;
}
gst_object_unref (freeze);
return ret;
}
......@@ -382,12 +367,3 @@ GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
freeze,
"Stream freezer",
plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);
/*
* Local variables:
* mode: c
* file-style: k&r
* c-basic-offset: 2
* arch-tag: fb0ee62b-cf74-46c0-8e62-93b58bacc0ed
* End:
*/
......@@ -59,11 +59,3 @@ GType gst_freeze_get_type (void);
G_END_DECLS
#endif
/*
* Local variables:
* mode: c
* file-style: k&r
* c-basic-offset: 2
* arch-tag: 559a2214-86a1-4c2f-b497-bdcc5f82acf1
* End:
*/
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment