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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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11e4b744f5
... and only unblock when either a) the pad becomes active and the event should be forwarded or b) the active pad went EOS itself. Otherwise it can happen that we switch from a longer track that is not EOS yet to a shorter track that already is EOS, but the shorter track won't have any possibility to send its EOS event downstream anymore. https://bugzilla.gnome.org/show_bug.cgi?id=740949
94 lines
3.2 KiB
C
94 lines
3.2 KiB
C
/* GStreamer
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* Copyright (C) 2003 Julien Moutte <julien@moutte.net>
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* Copyright (C) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
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* Copyright (C) 2008 Nokia Corporation. (contact <stefan.kost@nokia.com>)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_INPUT_SELECTOR_H__
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#define __GST_INPUT_SELECTOR_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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#define GST_TYPE_INPUT_SELECTOR \
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(gst_input_selector_get_type())
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#define GST_INPUT_SELECTOR(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_INPUT_SELECTOR, GstInputSelector))
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#define GST_INPUT_SELECTOR_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_INPUT_SELECTOR, GstInputSelectorClass))
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#define GST_IS_INPUT_SELECTOR(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_INPUT_SELECTOR))
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#define GST_IS_INPUT_SELECTOR_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_INPUT_SELECTOR))
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typedef struct _GstInputSelector GstInputSelector;
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typedef struct _GstInputSelectorClass GstInputSelectorClass;
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#define GST_INPUT_SELECTOR_GET_LOCK(sel) (&((GstInputSelector*)(sel))->lock)
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#define GST_INPUT_SELECTOR_GET_COND(sel) (&((GstInputSelector*)(sel))->cond)
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#define GST_INPUT_SELECTOR_LOCK(sel) (g_mutex_lock (GST_INPUT_SELECTOR_GET_LOCK(sel)))
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#define GST_INPUT_SELECTOR_UNLOCK(sel) (g_mutex_unlock (GST_INPUT_SELECTOR_GET_LOCK(sel)))
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#define GST_INPUT_SELECTOR_WAIT(sel) (g_cond_wait (GST_INPUT_SELECTOR_GET_COND(sel), \
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GST_INPUT_SELECTOR_GET_LOCK(sel)))
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#define GST_INPUT_SELECTOR_BROADCAST(sel) (g_cond_broadcast (GST_INPUT_SELECTOR_GET_COND(sel)))
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/**
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* GstInputSelectorSyncMode:
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* @GST_INPUT_SELECTOR_SYNC_MODE_ACTIVE_SEGMENT: Sync using the current active segment.
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* @GST_INPUT_SELECTOR_SYNC_MODE_CLOCK: Sync using the clock.
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*
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* The different ways that input-selector can behave when in sync-streams mode.
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*/
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typedef enum {
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GST_INPUT_SELECTOR_SYNC_MODE_ACTIVE_SEGMENT,
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GST_INPUT_SELECTOR_SYNC_MODE_CLOCK
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} GstInputSelectorSyncMode;
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struct _GstInputSelector {
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GstElement element;
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GstPad *srcpad;
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GstPad *active_sinkpad;
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guint n_pads; /* number of pads */
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guint padcount; /* sequence number for pads */
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gboolean sync_streams;
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GstInputSelectorSyncMode sync_mode;
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gboolean cache_buffers;
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gboolean have_group_id;
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GMutex lock;
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GCond cond;
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gboolean blocked;
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gboolean eos;
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gboolean flushing;
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};
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struct _GstInputSelectorClass {
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GstElementClass parent_class;
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gint64 (*block) (GstInputSelector *self);
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};
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G_GNUC_INTERNAL GType gst_input_selector_get_type (void);
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G_END_DECLS
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#endif /* __GST_INPUT_SELECTOR_H__ */
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