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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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Added prototypes for gst_pad_peek, gst_pad_select and gst_pad_selectv.
Original commit message from CVS: Added prototypes for gst_pad_peek, gst_pad_select and gst_pad_selectv. Added different scheduling methods in aggregator. Fixed a bug in fakesrc when setting up the scheduling functions.
This commit is contained in:
Wim Taymans
parent
3a1a483cd9
commit
2ef964f77b
9 changed files with 349 additions and 23 deletions
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@ -42,6 +42,7 @@ enum {
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ARG_0,
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ARG_NUM_PADS,
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ARG_SILENT,
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ARG_SCHED,
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/* FILL ME */
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};
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@ -52,6 +53,26 @@ GST_PADTEMPLATE_FACTORY (aggregator_src_factory,
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NULL /* no caps */
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);
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#define GST_TYPE_AGGREGATOR_SCHED (gst_aggregator_sched_get_type())
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static GType
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gst_aggregator_sched_get_type (void)
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{
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static GType aggregator_sched_type = 0;
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static GEnumValue aggregator_sched[] = {
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{ AGGREGATOR_LOOP, "1", "Loop Based"},
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{ AGGREGATOR_LOOP_PEEK, "2", "Loop Based Peek"},
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{ AGGREGATOR_LOOP_SELECT, "3", "Loop Based Select"},
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{ AGGREGATOR_CHAIN, "4", "Chain Based"},
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{0, NULL, NULL},
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};
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if (!aggregator_sched_type) {
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aggregator_sched_type = g_enum_register_static ("GstAggregatorSched", aggregator_sched);
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}
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return aggregator_sched_type;
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}
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#define AGGREGATOR_IS_LOOP_BASED(ag) ((ag)->sched != AGGREGATOR_CHAIN)
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static void gst_aggregator_class_init (GstAggregatorClass *klass);
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static void gst_aggregator_init (GstAggregator *aggregator);
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@ -63,6 +84,7 @@ static void gst_aggregator_get_property (GObject *object, guint prop_id,
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GValue *value, GParamSpec *pspec);
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static void gst_aggregator_chain (GstPad *pad, GstBuffer *buf);
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static void gst_aggregator_loop (GstElement *element);
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static GstElementClass *parent_class = NULL;
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//static guint gst_aggregator_signals[LAST_SIGNAL] = { 0 };
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@ -106,6 +128,9 @@ gst_aggregator_class_init (GstAggregatorClass *klass)
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SILENT,
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g_param_spec_boolean ("silent", "silent", "silent",
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FALSE, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SCHED,
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g_param_spec_enum ("sched", "sched", "sched",
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GST_TYPE_AGGREGATOR_SCHED, AGGREGATOR_CHAIN, G_PARAM_READWRITE));
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gobject_class->set_property = GST_DEBUG_FUNCPTR(gst_aggregator_set_property);
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gobject_class->get_property = GST_DEBUG_FUNCPTR(gst_aggregator_get_property);
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@ -146,12 +171,38 @@ gst_aggregator_request_new_pad (GstElement *element, GstPadTemplate *templ)
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gst_pad_set_chain_function (sinkpad, gst_aggregator_chain);
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gst_element_add_pad (GST_ELEMENT (aggregator), sinkpad);
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aggregator->sinkpads = g_slist_prepend (aggregator->sinkpads, sinkpad);
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aggregator->sinkpads = g_list_prepend (aggregator->sinkpads, sinkpad);
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aggregator->numsinkpads++;
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return sinkpad;
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}
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static void
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gst_aggregator_update_functions (GstAggregator *aggregator)
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{
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GList *pads;
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if (AGGREGATOR_IS_LOOP_BASED (aggregator)) {
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gst_element_set_loop_function (GST_ELEMENT (aggregator), GST_DEBUG_FUNCPTR (gst_aggregator_loop));
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}
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else {
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gst_element_set_loop_function (GST_ELEMENT (aggregator), NULL);
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}
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pads = aggregator->sinkpads;
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while (pads) {
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GstPad *pad = GST_PAD (pads->data);
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if (AGGREGATOR_IS_LOOP_BASED (aggregator)) {
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gst_pad_set_get_function (pad, NULL);
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}
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else {
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gst_element_set_loop_function (GST_ELEMENT (aggregator), NULL);
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}
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pads = g_list_next (pads);
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}
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}
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static void
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gst_aggregator_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
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{
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@ -166,6 +217,10 @@ gst_aggregator_set_property (GObject *object, guint prop_id, const GValue *value
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case ARG_SILENT:
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aggregator->silent = g_value_get_boolean (value);
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break;
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case ARG_SCHED:
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aggregator->sched = g_value_get_enum (value);
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gst_aggregator_update_functions (aggregator);
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break;
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default:
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break;
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}
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@ -188,11 +243,75 @@ gst_aggregator_get_property (GObject *object, guint prop_id, GValue *value, GPar
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case ARG_SILENT:
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g_value_set_boolean (value, aggregator->silent);
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break;
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case ARG_SCHED:
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g_value_set_enum (value, aggregator->sched);
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break;
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default:
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break;
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}
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}
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static void
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gst_aggregator_push (GstAggregator *aggregator, GstPad *pad, GstBuffer *buf, guchar *debug)
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{
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if (!aggregator->silent)
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g_print("aggregator: %10.10s ******* (%s:%s)a (%d bytes, %llu) \n",
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debug, GST_DEBUG_PAD_NAME (pad), GST_BUFFER_SIZE (buf), GST_BUFFER_TIMESTAMP (buf));
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gst_pad_push (aggregator->srcpad, buf);
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}
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static void
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gst_aggregator_loop (GstElement *element)
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{
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GstAggregator *aggregator;
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GstBuffer *buf;
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guchar *debug;
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aggregator = GST_AGGREGATOR (element);
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do {
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if (aggregator->sched == AGGREGATOR_LOOP ||
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aggregator->sched == AGGREGATOR_LOOP_PEEK) {
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GList *pads = aggregator->sinkpads;
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while (pads) {
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GstPad *pad = GST_PAD (pads->data);
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pads = g_list_next (pads);
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if (aggregator->sched == AGGREGATOR_LOOP_PEEK) {
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buf = gst_pad_peek (pad);
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if (buf == NULL)
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continue;
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g_assert (buf == gst_pad_pull (pad));
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debug = "loop_peek";
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}
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else {
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buf = gst_pad_pull (pad);
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debug = "loop";
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}
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gst_aggregator_push (aggregator, pad, buf, debug);
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}
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}
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else {
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if (aggregator->sched == AGGREGATOR_LOOP_SELECT) {
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GstPad *pad;
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debug = "loop_select";
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pad = gst_pad_select (aggregator->sinkpads);
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buf = gst_pad_pull (pad);
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gst_aggregator_push (aggregator, pad, buf, debug);
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}
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else {
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g_assert_not_reached ();
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}
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}
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} while (!GST_ELEMENT_IS_COTHREAD_STOPPING (element));
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}
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/**
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* gst_aggregator_chain:
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* @pad: the pad to follow
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@ -212,11 +331,7 @@ gst_aggregator_chain (GstPad *pad, GstBuffer *buf)
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aggregator = GST_AGGREGATOR (gst_pad_get_parent (pad));
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gst_trace_add_entry (NULL, 0, buf, "aggregator buffer");
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if (!aggregator->silent)
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g_print("aggregator: chain ******* (%s:%s)a (%d bytes, %llu) \n",
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GST_DEBUG_PAD_NAME (pad), GST_BUFFER_SIZE (buf), GST_BUFFER_TIMESTAMP (buf));
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gst_pad_push (aggregator->srcpad, buf);
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gst_aggregator_push (aggregator, pad, buf, "chain");
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}
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gboolean
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@ -33,6 +33,13 @@ extern "C" {
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extern GstElementDetails gst_aggregator_details;
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typedef enum {
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AGGREGATOR_LOOP = 1,
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AGGREGATOR_LOOP_PEEK,
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AGGREGATOR_LOOP_SELECT,
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AGGREGATOR_CHAIN,
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} GstAggregatorSchedType;
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#define GST_TYPE_AGGREGATOR \
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(gst_aggregator_get_type())
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#define GST_AGGREGATOR(obj) \
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@ -53,8 +60,10 @@ struct _GstAggregator {
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GstPad *srcpad;
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gboolean silent;
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GstAggregatorSchedType sched;
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gint numsinkpads;
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GSList *sinkpads;
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GList *sinkpads;
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};
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struct _GstAggregatorClass {
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@ -221,17 +221,22 @@ gst_fakesrc_update_functions (GstFakeSrc *src)
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{
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GSList *pads;
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if (src->loop_based) {
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gst_element_set_loop_function (GST_ELEMENT (src), GST_DEBUG_FUNCPTR (gst_fakesrc_loop));
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}
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else {
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gst_element_set_loop_function (GST_ELEMENT (src), NULL);
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}
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pads = src->srcpads;
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while (pads) {
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GstPad *pad = GST_PAD (pads->data);
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if (src->loop_based) {
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gst_element_set_loop_function (GST_ELEMENT (src), gst_fakesrc_loop);
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gst_pad_set_get_function (pad, NULL);
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}
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else {
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gst_pad_set_get_function (pad, gst_fakesrc_get);
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gst_element_set_loop_function (GST_ELEMENT (src), NULL);
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gst_pad_set_get_function (pad, GST_DEBUG_FUNCPTR (gst_fakesrc_get));
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}
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pads = g_slist_next (pads);
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}
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66
gst/gstpad.c
66
gst/gstpad.c
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@ -1566,6 +1566,72 @@ gst_pad_pullregion (GstPad *pad, GstRegionType type, guint64 offset, guint64 len
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}
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#endif
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/**
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* gst_pad_peek:
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* @pad: the pad to peek
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*
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* Peek for a buffer from the peer pad.
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*
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* Returns: a from the peer pad or NULL if the peer has no buffer.
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*/
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GstBuffer*
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gst_pad_peek (GstPad *pad)
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{
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g_return_val_if_fail (GST_PAD_DIRECTION (pad) == GST_PAD_SINK, NULL);
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return GST_RPAD_BUFPEN (GST_RPAD_PEER (pad));
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}
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/**
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* gst_pad_select:
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* @padlist: A list of pads
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*
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* Wait for a buffer on the list of pads.
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*
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* Returns: The pad that has a buffer available, use
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* #gst_pad_pull to get the buffer.
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*/
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GstPad*
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gst_pad_select (GList *padlist)
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{
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// FIXME implement me
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return NULL;
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}
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/**
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* gst_pad_selectv:
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* @pad: The first pad to perform the select on
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* @...: More pads
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*
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* Wait for a buffer on the given of pads.
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*
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* Returns: The pad that has a buffer available, use
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* #gst_pad_pull to get the buffer.
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*/
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GstPad*
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gst_pad_selectv (GstPad *pad, ...)
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{
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GstPad *result;
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GList *padlist = NULL;
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va_list var_args;
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if (pad == NULL)
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return NULL;
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va_start (var_args, pad);
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while (pad) {
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padlist = g_list_prepend (padlist, pad);
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pad = va_arg (var_args, GstPad *);
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}
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result = gst_pad_select (padlist);
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g_list_free (padlist);
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va_end (var_args);
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return result;
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}
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/************************************************************************
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*
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* templates
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@ -287,7 +287,6 @@ name (void) \
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#define GST_PADTEMPLATE_GET(fact) (fact)()
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GType gst_pad_get_type (void);
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GType gst_real_pad_get_type (void);
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GType gst_ghost_pad_get_type (void);
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@ -362,6 +361,9 @@ NULL )
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(((GstRealPad *)(pad))->peer->pullregionfunc)((GstPad *)(((GstRealPad *)(pad))->peer),(type),(offset),(len)) : \
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NULL )
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#endif
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GstBuffer* gst_pad_peek (GstPad *pad);
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GstPad* gst_pad_select (GList *padlist);
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GstPad* gst_pad_selectv (GstPad *pad, ...);
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#define gst_pad_eos(pad) (GST_RPAD_EOSFUNC(GST_RPAD_PEER(pad))(GST_PAD(GST_RPAD_PEER(pad))))
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gboolean gst_pad_set_eos (GstPad *pad);
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@ -373,8 +375,7 @@ void gst_pad_load_and_connect (xmlNodePtr self, GstObject *parent);
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/* ghostpads */
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GstPad * gst_ghost_pad_new (gchar *name,GstPad *pad);
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GstPad* gst_ghost_pad_new (gchar *name,GstPad *pad);
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/* templates and factories */
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@ -70,6 +70,7 @@ struct _GstSchedule {
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void (*unlock_element) (GstSchedule *sched, GstElement *element);
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void (*pad_connect) (GstSchedule *sched, GstPad *srcpad, GstPad *sinkpad);
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void (*pad_disconnect) (GstSchedule *sched, GstPad *srcpad, GstPad *sinkpad);
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void (*pad_select) (GstSchedule *sched, GList *padlist);
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gboolean (*iterate) (GstSchedule *sched);
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};
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@ -42,6 +42,7 @@ enum {
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ARG_0,
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ARG_NUM_PADS,
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ARG_SILENT,
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ARG_SCHED,
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/* FILL ME */
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};
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@ -52,6 +53,26 @@ GST_PADTEMPLATE_FACTORY (aggregator_src_factory,
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NULL /* no caps */
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);
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#define GST_TYPE_AGGREGATOR_SCHED (gst_aggregator_sched_get_type())
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static GType
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gst_aggregator_sched_get_type (void)
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{
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static GType aggregator_sched_type = 0;
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static GEnumValue aggregator_sched[] = {
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{ AGGREGATOR_LOOP, "1", "Loop Based"},
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{ AGGREGATOR_LOOP_PEEK, "2", "Loop Based Peek"},
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{ AGGREGATOR_LOOP_SELECT, "3", "Loop Based Select"},
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{ AGGREGATOR_CHAIN, "4", "Chain Based"},
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{0, NULL, NULL},
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};
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if (!aggregator_sched_type) {
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aggregator_sched_type = g_enum_register_static ("GstAggregatorSched", aggregator_sched);
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}
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return aggregator_sched_type;
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}
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#define AGGREGATOR_IS_LOOP_BASED(ag) ((ag)->sched != AGGREGATOR_CHAIN)
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static void gst_aggregator_class_init (GstAggregatorClass *klass);
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static void gst_aggregator_init (GstAggregator *aggregator);
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@ -63,6 +84,7 @@ static void gst_aggregator_get_property (GObject *object, guint prop_id,
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GValue *value, GParamSpec *pspec);
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static void gst_aggregator_chain (GstPad *pad, GstBuffer *buf);
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static void gst_aggregator_loop (GstElement *element);
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static GstElementClass *parent_class = NULL;
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//static guint gst_aggregator_signals[LAST_SIGNAL] = { 0 };
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@ -106,6 +128,9 @@ gst_aggregator_class_init (GstAggregatorClass *klass)
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SILENT,
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g_param_spec_boolean ("silent", "silent", "silent",
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FALSE, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SCHED,
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g_param_spec_enum ("sched", "sched", "sched",
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GST_TYPE_AGGREGATOR_SCHED, AGGREGATOR_CHAIN, G_PARAM_READWRITE));
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gobject_class->set_property = GST_DEBUG_FUNCPTR(gst_aggregator_set_property);
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gobject_class->get_property = GST_DEBUG_FUNCPTR(gst_aggregator_get_property);
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@ -146,12 +171,38 @@ gst_aggregator_request_new_pad (GstElement *element, GstPadTemplate *templ)
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gst_pad_set_chain_function (sinkpad, gst_aggregator_chain);
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gst_element_add_pad (GST_ELEMENT (aggregator), sinkpad);
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aggregator->sinkpads = g_slist_prepend (aggregator->sinkpads, sinkpad);
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aggregator->sinkpads = g_list_prepend (aggregator->sinkpads, sinkpad);
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aggregator->numsinkpads++;
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return sinkpad;
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}
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static void
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gst_aggregator_update_functions (GstAggregator *aggregator)
|
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{
|
||||
GList *pads;
|
||||
|
||||
if (AGGREGATOR_IS_LOOP_BASED (aggregator)) {
|
||||
gst_element_set_loop_function (GST_ELEMENT (aggregator), GST_DEBUG_FUNCPTR (gst_aggregator_loop));
|
||||
}
|
||||
else {
|
||||
gst_element_set_loop_function (GST_ELEMENT (aggregator), NULL);
|
||||
}
|
||||
|
||||
pads = aggregator->sinkpads;
|
||||
while (pads) {
|
||||
GstPad *pad = GST_PAD (pads->data);
|
||||
|
||||
if (AGGREGATOR_IS_LOOP_BASED (aggregator)) {
|
||||
gst_pad_set_get_function (pad, NULL);
|
||||
}
|
||||
else {
|
||||
gst_element_set_loop_function (GST_ELEMENT (aggregator), NULL);
|
||||
}
|
||||
pads = g_list_next (pads);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gst_aggregator_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
|
||||
{
|
||||
|
|
@ -166,6 +217,10 @@ gst_aggregator_set_property (GObject *object, guint prop_id, const GValue *value
|
|||
case ARG_SILENT:
|
||||
aggregator->silent = g_value_get_boolean (value);
|
||||
break;
|
||||
case ARG_SCHED:
|
||||
aggregator->sched = g_value_get_enum (value);
|
||||
gst_aggregator_update_functions (aggregator);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
|
@ -188,11 +243,75 @@ gst_aggregator_get_property (GObject *object, guint prop_id, GValue *value, GPar
|
|||
case ARG_SILENT:
|
||||
g_value_set_boolean (value, aggregator->silent);
|
||||
break;
|
||||
case ARG_SCHED:
|
||||
g_value_set_enum (value, aggregator->sched);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gst_aggregator_push (GstAggregator *aggregator, GstPad *pad, GstBuffer *buf, guchar *debug)
|
||||
{
|
||||
if (!aggregator->silent)
|
||||
g_print("aggregator: %10.10s ******* (%s:%s)a (%d bytes, %llu) \n",
|
||||
debug, GST_DEBUG_PAD_NAME (pad), GST_BUFFER_SIZE (buf), GST_BUFFER_TIMESTAMP (buf));
|
||||
|
||||
gst_pad_push (aggregator->srcpad, buf);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_aggregator_loop (GstElement *element)
|
||||
{
|
||||
GstAggregator *aggregator;
|
||||
GstBuffer *buf;
|
||||
guchar *debug;
|
||||
|
||||
aggregator = GST_AGGREGATOR (element);
|
||||
|
||||
do {
|
||||
if (aggregator->sched == AGGREGATOR_LOOP ||
|
||||
aggregator->sched == AGGREGATOR_LOOP_PEEK) {
|
||||
GList *pads = aggregator->sinkpads;
|
||||
|
||||
while (pads) {
|
||||
GstPad *pad = GST_PAD (pads->data);
|
||||
pads = g_list_next (pads);
|
||||
|
||||
if (aggregator->sched == AGGREGATOR_LOOP_PEEK) {
|
||||
buf = gst_pad_peek (pad);
|
||||
if (buf == NULL)
|
||||
continue;
|
||||
|
||||
g_assert (buf == gst_pad_pull (pad));
|
||||
debug = "loop_peek";
|
||||
}
|
||||
else {
|
||||
buf = gst_pad_pull (pad);
|
||||
debug = "loop";
|
||||
}
|
||||
gst_aggregator_push (aggregator, pad, buf, debug);
|
||||
}
|
||||
}
|
||||
else {
|
||||
if (aggregator->sched == AGGREGATOR_LOOP_SELECT) {
|
||||
GstPad *pad;
|
||||
|
||||
debug = "loop_select";
|
||||
|
||||
pad = gst_pad_select (aggregator->sinkpads);
|
||||
buf = gst_pad_pull (pad);
|
||||
|
||||
gst_aggregator_push (aggregator, pad, buf, debug);
|
||||
}
|
||||
else {
|
||||
g_assert_not_reached ();
|
||||
}
|
||||
}
|
||||
} while (!GST_ELEMENT_IS_COTHREAD_STOPPING (element));
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_aggregator_chain:
|
||||
* @pad: the pad to follow
|
||||
|
|
@ -212,11 +331,7 @@ gst_aggregator_chain (GstPad *pad, GstBuffer *buf)
|
|||
aggregator = GST_AGGREGATOR (gst_pad_get_parent (pad));
|
||||
gst_trace_add_entry (NULL, 0, buf, "aggregator buffer");
|
||||
|
||||
if (!aggregator->silent)
|
||||
g_print("aggregator: chain ******* (%s:%s)a (%d bytes, %llu) \n",
|
||||
GST_DEBUG_PAD_NAME (pad), GST_BUFFER_SIZE (buf), GST_BUFFER_TIMESTAMP (buf));
|
||||
|
||||
gst_pad_push (aggregator->srcpad, buf);
|
||||
gst_aggregator_push (aggregator, pad, buf, "chain");
|
||||
}
|
||||
|
||||
gboolean
|
||||
|
|
|
|||
|
|
@ -33,6 +33,13 @@ extern "C" {
|
|||
|
||||
extern GstElementDetails gst_aggregator_details;
|
||||
|
||||
typedef enum {
|
||||
AGGREGATOR_LOOP = 1,
|
||||
AGGREGATOR_LOOP_PEEK,
|
||||
AGGREGATOR_LOOP_SELECT,
|
||||
AGGREGATOR_CHAIN,
|
||||
} GstAggregatorSchedType;
|
||||
|
||||
#define GST_TYPE_AGGREGATOR \
|
||||
(gst_aggregator_get_type())
|
||||
#define GST_AGGREGATOR(obj) \
|
||||
|
|
@ -53,8 +60,10 @@ struct _GstAggregator {
|
|||
GstPad *srcpad;
|
||||
|
||||
gboolean silent;
|
||||
GstAggregatorSchedType sched;
|
||||
|
||||
gint numsinkpads;
|
||||
GSList *sinkpads;
|
||||
GList *sinkpads;
|
||||
};
|
||||
|
||||
struct _GstAggregatorClass {
|
||||
|
|
|
|||
|
|
@ -221,17 +221,22 @@ gst_fakesrc_update_functions (GstFakeSrc *src)
|
|||
{
|
||||
GSList *pads;
|
||||
|
||||
if (src->loop_based) {
|
||||
gst_element_set_loop_function (GST_ELEMENT (src), GST_DEBUG_FUNCPTR (gst_fakesrc_loop));
|
||||
}
|
||||
else {
|
||||
gst_element_set_loop_function (GST_ELEMENT (src), NULL);
|
||||
}
|
||||
|
||||
pads = src->srcpads;
|
||||
while (pads) {
|
||||
GstPad *pad = GST_PAD (pads->data);
|
||||
|
||||
if (src->loop_based) {
|
||||
gst_element_set_loop_function (GST_ELEMENT (src), gst_fakesrc_loop);
|
||||
gst_pad_set_get_function (pad, NULL);
|
||||
}
|
||||
else {
|
||||
gst_pad_set_get_function (pad, gst_fakesrc_get);
|
||||
gst_element_set_loop_function (GST_ELEMENT (src), NULL);
|
||||
gst_pad_set_get_function (pad, GST_DEBUG_FUNCPTR (gst_fakesrc_get));
|
||||
}
|
||||
pads = g_slist_next (pads);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue