1 /*
2 * Copyright (c) 2014, Ericsson AB. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without modification,
5 * are permitted provided that the following conditions are met:
6 *
7 * 1. Redistributions of source code must retain the above copyright notice, this
8 * list of conditions and the following disclaimer.
9 *
10 * 2. Redistributions in binary form must reproduce the above copyright notice, this
11 * list of conditions and the following disclaimer in the documentation and/or other
12 * materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
18 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
21 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
23 * OF SUCH DAMAGE.
24 */
25
26 #ifdef HAVE_CONFIG_H
27 #include <config.h>
28 #endif
29
30 #include <gst/gst.h>
31 #include <wels/codec_api.h>
32 #include <wels/codec_ver.h>
33 #include <string.h>
34 #include "gstopenh264elements.h"
35
36
37 gboolean
openh264_element_init(GstPlugin * plugin)38 openh264_element_init (GstPlugin * plugin)
39 {
40 OpenH264Version libver;
41 /* g_stCodecVersion is the version detected at build time as defined in the
42 * headers and WelsGetCodecVersion() is the version detected at runtime.
43 * This is a safeguard to avoid crashes since OpenH264 has been changing
44 * ABI without changing the SONAME.
45 */
46 libver = WelsGetCodecVersion ();
47 return (memcmp (&libver, &g_stCodecVersion, sizeof (libver)) == 0);
48 }
49