1 /*
2 * Copyright (C) 2018 Collabora Inc.
3 * Authors:
4 * Nicolas Dufresne <nicolas.dufresne@collabora.com>
5 * Ezequiel Garcia <ezequiel@collabora.com>
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 *
22 */
23
24 #ifdef HAVE_CONFIG_H
25 #include "config.h"
26 #endif
27
28 #include <sys/stat.h>
29 #include <fcntl.h>
30 #include <errno.h>
31 #include <unistd.h>
32 #include <string.h>
33
34 #include "gstv4l2object.h"
35 #include "gstv4l2fwhtenc.h"
36
37 #include <string.h>
38 #include <gst/gst-i18n-plugin.h>
39
40 GST_DEBUG_CATEGORY_STATIC (gst_v4l2_fwht_enc_debug);
41 #define GST_CAT_DEFAULT gst_v4l2_fwht_enc_debug
42
43 static GstStaticCaps src_template_caps = GST_STATIC_CAPS ("video/x-fwht");
44
45 enum
46 {
47 PROP_0,
48 V4L2_STD_OBJECT_PROPS,
49 /* TODO */
50 };
51
52 #define gst_v4l2_fwht_enc_parent_class parent_class
53 G_DEFINE_TYPE (GstV4l2FWHTEnc, gst_v4l2_fwht_enc, GST_TYPE_V4L2_VIDEO_ENC);
54
55 static void
gst_v4l2_fwht_enc_set_property(GObject * object,guint prop_id,const GValue * value,GParamSpec * pspec)56 gst_v4l2_fwht_enc_set_property (GObject * object,
57 guint prop_id, const GValue * value, GParamSpec * pspec)
58 {
59 /* TODO */
60 }
61
62 static void
gst_v4l2_fwht_enc_get_property(GObject * object,guint prop_id,GValue * value,GParamSpec * pspec)63 gst_v4l2_fwht_enc_get_property (GObject * object,
64 guint prop_id, GValue * value, GParamSpec * pspec)
65 {
66 /* TODO */
67 }
68
69 static void
gst_v4l2_fwht_enc_init(GstV4l2FWHTEnc * self)70 gst_v4l2_fwht_enc_init (GstV4l2FWHTEnc * self)
71 {
72 }
73
74 static void
gst_v4l2_fwht_enc_class_init(GstV4l2FWHTEncClass * klass)75 gst_v4l2_fwht_enc_class_init (GstV4l2FWHTEncClass * klass)
76 {
77 GstElementClass *element_class;
78 GObjectClass *gobject_class;
79 GstV4l2VideoEncClass *baseclass;
80
81 parent_class = g_type_class_peek_parent (klass);
82
83 element_class = (GstElementClass *) klass;
84 gobject_class = (GObjectClass *) klass;
85 baseclass = (GstV4l2VideoEncClass *) (klass);
86
87 GST_DEBUG_CATEGORY_INIT (gst_v4l2_fwht_enc_debug, "v4l2fwhtenc", 0,
88 "V4L2 FWHT Encoder");
89
90 gst_element_class_set_static_metadata (element_class,
91 "V4L2 FWHT Encoder",
92 "Codec/Encoder/Video/Hardware",
93 "Encode FWHT video streams via V4L2 API",
94 "Ezequiel Garcia <ezequiel@collabora.com");
95
96 gobject_class->set_property =
97 GST_DEBUG_FUNCPTR (gst_v4l2_fwht_enc_set_property);
98 gobject_class->get_property =
99 GST_DEBUG_FUNCPTR (gst_v4l2_fwht_enc_get_property);
100
101 baseclass->codec_name = "FWHT";
102 }
103
104 /* Probing functions */
105 gboolean
gst_v4l2_is_fwht_enc(GstCaps * sink_caps,GstCaps * src_caps)106 gst_v4l2_is_fwht_enc (GstCaps * sink_caps, GstCaps * src_caps)
107 {
108 return gst_v4l2_is_video_enc (sink_caps, src_caps,
109 gst_static_caps_get (&src_template_caps));
110 }
111
112 void
gst_v4l2_fwht_enc_register(GstPlugin * plugin,const gchar * basename,const gchar * device_path,GstCaps * sink_caps,GstCaps * src_caps)113 gst_v4l2_fwht_enc_register (GstPlugin * plugin, const gchar * basename,
114 const gchar * device_path, GstCaps * sink_caps, GstCaps * src_caps)
115 {
116 gst_v4l2_video_enc_register (plugin, GST_TYPE_V4L2_FWHT_ENC,
117 "fwht", basename, device_path, NULL, -1, sink_caps,
118 gst_static_caps_get (&src_template_caps), src_caps);
119 }
120