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gnlcomposition: Add a function to block object source pad
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parent
4cb834fa21
commit
381f7d2aee
1 changed files with 25 additions and 20 deletions
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@ -946,7 +946,7 @@ get_current_position (GnlComposition * comp)
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GstPad *peer = gst_pad_get_peer (GNL_OBJECT (comp)->srcpad);
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/* 1. Try querying position downstream */
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/* Try querying position downstream */
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if (peer) {
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res = gst_pad_query_position (peer, GST_FORMAT_TIME, &value);
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@ -965,7 +965,7 @@ get_current_position (GnlComposition * comp)
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/* resetting format/value */
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value = GST_CLOCK_TIME_NONE;
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/* 2. If downstream fails , try within the current stack */
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/* If downstream fails , try within the current stack */
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if (!priv->current) {
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GST_DEBUG_OBJECT (comp, "No current stack, can't send query");
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goto beach;
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@ -1993,6 +1993,26 @@ update_start_stop_duration (GnlComposition * comp)
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GST_TIME_ARGS (cobj->stop), GST_TIME_ARGS (cobj->duration));
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}
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static void
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block_object_src_pad (GnlComposition * comp, GnlObject * obj)
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{
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GnlCompositionEntry *entry = COMP_ENTRY (comp, obj);
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if (!entry->probeid) {
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GST_LOG_OBJECT (comp, "block_async(%s:%s, TRUE)",
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GST_DEBUG_PAD_NAME (obj->srcpad));
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entry->probeid =
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gst_pad_add_probe (obj->srcpad,
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GST_PAD_PROBE_TYPE_BLOCK_DOWNSTREAM | GST_PAD_PROBE_TYPE_IDLE,
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(GstPadProbeCallback) pad_blocked, comp, NULL);
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}
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if (!entry->dataprobeid) {
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entry->dataprobeid = gst_pad_add_probe (obj->srcpad,
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GST_PAD_PROBE_TYPE_BUFFER | GST_PAD_PROBE_TYPE_BUFFER_LIST |
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GST_PAD_PROBE_TYPE_EVENT_BOTH, (GstPadProbeCallback) drop_data,
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entry, NULL);
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}
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}
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/*
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* recursive depth-first relink stack function on new stack
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*
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@ -2031,24 +2051,9 @@ compare_relink_single_node (GnlComposition * comp, GNode * node,
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srcpad = GNL_OBJECT_SRC (newobj);
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/* 1. Make sure the source pad is blocked for new objects */
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if (G_UNLIKELY (!oldnode)) {
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GnlCompositionEntry *oldentry = COMP_ENTRY (comp, newobj);
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if (!oldentry->probeid) {
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GST_LOG_OBJECT (comp, "block_async(%s:%s, TRUE)",
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GST_DEBUG_PAD_NAME (srcpad));
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oldentry->probeid =
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gst_pad_add_probe (srcpad,
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GST_PAD_PROBE_TYPE_BLOCK_DOWNSTREAM | GST_PAD_PROBE_TYPE_IDLE,
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(GstPadProbeCallback) pad_blocked, comp, NULL);
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}
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if (!oldentry->dataprobeid) {
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oldentry->dataprobeid = gst_pad_add_probe (srcpad,
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GST_PAD_PROBE_TYPE_BUFFER | GST_PAD_PROBE_TYPE_BUFFER_LIST |
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GST_PAD_PROBE_TYPE_EVENT_BOTH, (GstPadProbeCallback) drop_data,
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oldentry, NULL);
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}
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}
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/* Make sure the source pad is blocked for new objects */
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if (G_UNLIKELY (!oldnode))
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block_object_src_pad (comp, newobj);
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entry = COMP_ENTRY (comp, newobj);
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/* 2. link to parent if needed. */
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