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640a65bf96
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-bad/-/merge_requests/2098>
103 lines
3.7 KiB
C
103 lines
3.7 KiB
C
/*
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* Copyright (c) 2015, Collabora Ltd.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "sctpsendmeta.h"
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static gboolean gst_sctp_send_meta_init (GstMeta * meta, gpointer params,
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GstBuffer * buffer);
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static gboolean gst_sctp_send_meta_transform (GstBuffer * transbuf,
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GstMeta * meta, GstBuffer * buffer, GQuark type, gpointer data);
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GType
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gst_sctp_send_meta_api_get_type (void)
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{
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static const gchar *tags[] = { NULL };
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static GType type;
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if (g_once_init_enter (&type)) {
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GType _type = gst_meta_api_type_register ("GstSctpSendMetaAPI", tags);
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g_once_init_leave (&type, _type);
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}
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return type;
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}
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const GstMetaInfo *
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gst_sctp_send_meta_get_info (void)
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{
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static const GstMetaInfo *gst_sctp_send_meta_info = NULL;
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if (g_once_init_enter (&gst_sctp_send_meta_info)) {
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const GstMetaInfo *meta = gst_meta_register (GST_SCTP_SEND_META_API_TYPE,
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"GstSctpSendMeta",
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sizeof (GstSctpSendMeta),
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gst_sctp_send_meta_init,
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(GstMetaFreeFunction) NULL,
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gst_sctp_send_meta_transform);
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g_once_init_leave (&gst_sctp_send_meta_info, meta);
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}
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return gst_sctp_send_meta_info;
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}
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static gboolean
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gst_sctp_send_meta_init (GstMeta * meta, gpointer params, GstBuffer * buffer)
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{
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GstSctpSendMeta *gst_sctp_send_meta = (GstSctpSendMeta *) meta;
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gst_sctp_send_meta->ppid = 0;
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gst_sctp_send_meta->ordered = TRUE;
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gst_sctp_send_meta->pr = GST_SCTP_SEND_META_PARTIAL_RELIABILITY_NONE;
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gst_sctp_send_meta->pr_param = 0;
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return TRUE;
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}
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static gboolean
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gst_sctp_send_meta_transform (GstBuffer * transbuf, GstMeta * meta,
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GstBuffer * buffer, GQuark type, gpointer data)
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{
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GstSctpSendMeta *gst_sctp_send_meta = (GstSctpSendMeta *) meta;
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gst_sctp_buffer_add_send_meta (transbuf, gst_sctp_send_meta->ppid,
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gst_sctp_send_meta->ordered, gst_sctp_send_meta->pr,
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gst_sctp_send_meta->pr_param);
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return TRUE;
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}
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GstSctpSendMeta *
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gst_sctp_buffer_add_send_meta (GstBuffer * buffer, guint32 ppid,
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gboolean ordered, GstSctpSendMetaPartiallyReliability pr, guint32 pr_param)
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{
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GstSctpSendMeta *gst_sctp_send_meta = NULL;
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g_return_val_if_fail (GST_IS_BUFFER (buffer), NULL);
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gst_sctp_send_meta =
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(GstSctpSendMeta *) gst_buffer_add_meta (buffer, GST_SCTP_SEND_META_INFO,
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NULL);
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gst_sctp_send_meta->ppid = ppid;
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gst_sctp_send_meta->ordered = ordered;
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gst_sctp_send_meta->pr = pr;
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gst_sctp_send_meta->pr_param = pr_param;
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return gst_sctp_send_meta;
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}
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