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44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
/* GStreamer
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* Copyright (C) 2022 Sebastian Dröge <sebastian@centricular.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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#include "gstrtputils.h"
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guint8
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gst_rtp_get_extmap_id_for_attribute (const GstStructure * s,
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const gchar * ext_name)
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{
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guint i;
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guint8 extmap_id = 0;
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guint n_fields = gst_structure_n_fields (s);
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for (i = 0; i < n_fields; i++) {
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const gchar *field_name = gst_structure_nth_field_name (s, i);
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if (g_str_has_prefix (field_name, "extmap-")) {
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const gchar *str = gst_structure_get_string (s, field_name);
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if (str && g_strcmp0 (str, ext_name) == 0) {
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gint64 id = g_ascii_strtoll (field_name + 7, NULL, 10);
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if (id > 0 && id < 15) {
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extmap_id = id;
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break;
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}
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}
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}
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}
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return extmap_id;
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}
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