2 * Copyright (C) 2017 Collabora Inc.
3 * Author: Nicolas Dufresne <nicolas.dufresne@collabora.com>
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
32 #include "gstv4l2object.h"
33 #include "gstv4l2vp9enc.h"
36 #include <gst/gst-i18n-plugin.h>
38 GST_DEBUG_CATEGORY_STATIC (gst_v4l2_vp9_enc_debug);
39 #define GST_CAT_DEFAULT gst_v4l2_vp9_enc_debug
41 static GstStaticCaps src_template_caps =
42 GST_STATIC_CAPS ("video/x-vp9, profile=(string) { 0, 1, 2, 3 }");
47 V4L2_STD_OBJECT_PROPS,
51 #define gst_v4l2_vp9_enc_parent_class parent_class
52 G_DEFINE_TYPE (GstV4l2Vp9Enc, gst_v4l2_vp9_enc, GST_TYPE_V4L2_VIDEO_ENC);
55 gst_v4l2_vp9_enc_set_property (GObject * object,
56 guint prop_id, const GValue * value, GParamSpec * pspec)
62 gst_v4l2_vp9_enc_get_property (GObject * object,
63 guint prop_id, GValue * value, GParamSpec * pspec)
69 v4l2_profile_from_string (const gchar * profile)
71 gint v4l2_profile = -1;
73 if (g_str_equal (profile, "0"))
75 else if (g_str_equal (profile, "1"))
77 else if (g_str_equal (profile, "2"))
79 else if (g_str_equal (profile, "3"))
82 GST_WARNING ("Unsupported profile string '%s'", profile);
88 v4l2_profile_to_string (gint v4l2_profile)
90 switch (v4l2_profile) {
100 GST_WARNING ("Unsupported V4L2 profile %i", v4l2_profile);
108 gst_v4l2_vp9_enc_init (GstV4l2Vp9Enc * self)
113 gst_v4l2_vp9_enc_class_init (GstV4l2Vp9EncClass * klass)
115 GstElementClass *element_class;
116 GObjectClass *gobject_class;
117 GstV4l2VideoEncClass *baseclass;
119 parent_class = g_type_class_peek_parent (klass);
121 element_class = (GstElementClass *) klass;
122 gobject_class = (GObjectClass *) klass;
123 baseclass = (GstV4l2VideoEncClass *) (klass);
125 GST_DEBUG_CATEGORY_INIT (gst_v4l2_vp9_enc_debug, "v4l2vp9enc", 0,
128 gst_element_class_set_static_metadata (element_class,
130 "Codec/Encoder/Video/Hardware",
131 "Encode VP9 video streams via V4L2 API",
132 "Nicolas Dufresne <nicolas.dufresne@collabora.com");
134 gobject_class->set_property =
135 GST_DEBUG_FUNCPTR (gst_v4l2_vp9_enc_set_property);
136 gobject_class->get_property =
137 GST_DEBUG_FUNCPTR (gst_v4l2_vp9_enc_get_property);
139 baseclass->codec_name = "VP9";
140 baseclass->profile_cid = V4L2_CID_MPEG_VIDEO_VPX_PROFILE;
141 baseclass->profile_to_string = v4l2_profile_to_string;
142 baseclass->profile_from_string = v4l2_profile_from_string;
145 /* Probing functions */
147 gst_v4l2_is_vp9_enc (GstCaps * sink_caps, GstCaps * src_caps)
149 return gst_v4l2_is_video_enc (sink_caps, src_caps,
150 gst_static_caps_get (&src_template_caps));
154 gst_v4l2_vp9_enc_register (GstPlugin * plugin, const gchar * basename,
155 const gchar * device_path, GstCaps * sink_caps, GstCaps * src_caps)
157 gst_v4l2_video_enc_register (plugin, GST_TYPE_V4L2_VP9_ENC,
158 "vp9", basename, device_path, sink_caps,
159 gst_static_caps_get (&src_template_caps), src_caps);