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98249a57db
volatile is not sufficient to provide atomic guarantees and real atomics should be used instead. GCC 11 has started warning about using volatile with atomic operations. https://gitlab.gnome.org/GNOME/glib/-/merge_requests/1719 Discovered in https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/issues/868 Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/1073>
89 lines
2.2 KiB
C
89 lines
2.2 KiB
C
/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wtay@chello.be>
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*
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* gstadder.h: Header for GstAdder element
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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_ADDER_H__
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#define __GST_ADDER_H__
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#include <gst/gst.h>
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#include <gst/base/gstcollectpads.h>
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#include <gst/audio/audio.h>
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G_BEGIN_DECLS
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#define GST_TYPE_ADDER (gst_adder_get_type())
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G_DECLARE_FINAL_TYPE (GstAdder, gst_adder, GST, ADDER, GstElement)
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/**
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* GstAdder:
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*
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* The adder object structure.
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*/
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struct _GstAdder {
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GstElement element;
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GstPad *srcpad;
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GstCollectPads *collect;
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/* pad counter, used for creating unique request pads */
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gint padcount;
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/* the next are valid for both int and float */
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GstAudioInfo info;
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/* counters to keep track of timestamps */
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gint64 offset;
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/* sink event handling */
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GstSegment segment;
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gboolean new_segment_pending;
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gboolean flush_stop_pending;
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/* current caps */
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GstCaps *current_caps;
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/* target caps (set via property) */
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GstCaps *filter_caps;
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/* Pending inline events */
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GList *pending_events;
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gboolean send_stream_start;
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gboolean send_caps;
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};
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GST_ELEMENT_REGISTER_DECLARE (adder);
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#define GST_TYPE_ADDER_PAD (gst_adder_pad_get_type())
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G_DECLARE_FINAL_TYPE (GstAdderPad, gst_adder_pad, GST, ADDER_PAD, GstPad)
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struct _GstAdderPad {
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GstPad parent;
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gdouble volume;
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gint volume_i32;
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gint volume_i16;
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gint volume_i8;
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gboolean mute;
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};
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G_END_DECLS
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#endif /* __GST_ADDER_H__ */
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