2 * Copyright (C) 2018 NVIDIA CORPORATION.
3 * Author: Amit Pandya <apandya@nvidia.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 "gstv4l2h265enc.h"
36 #include <gst/gst-i18n-plugin.h>
38 GST_DEBUG_CATEGORY_STATIC (gst_v4l2_h265_enc_debug);
39 #define GST_CAT_DEFAULT gst_v4l2_h265_enc_debug
41 static GstStaticCaps src_template_caps =
42 GST_STATIC_CAPS ("video/x-h265, stream-format=(string) byte-stream, "
43 "alignment=(string) au");
48 V4L2_STD_OBJECT_PROPS,
49 /* TODO add H265 controls */
52 #define gst_v4l2_h265_enc_parent_class parent_class
53 G_DEFINE_TYPE (GstV4l2H265Enc, gst_v4l2_h265_enc, GST_TYPE_V4L2_VIDEO_ENC);
56 gst_v4l2_h265_enc_set_property (GObject * object,
57 guint prop_id, const GValue * value, GParamSpec * pspec)
63 gst_v4l2_h265_enc_get_property (GObject * object,
64 guint prop_id, GValue * value, GParamSpec * pspec)
70 v4l2_profile_from_string (const gchar * profile)
72 gint v4l2_profile = -1;
74 if (g_str_equal (profile, "main")) {
75 v4l2_profile = V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN;
76 } else if (g_str_equal (profile, "mainstillpicture")) {
77 v4l2_profile = V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE;
78 } else if (g_str_equal (profile, "main10")) {
79 v4l2_profile = V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10;
81 GST_WARNING ("Unsupported profile string '%s'", profile);
88 v4l2_profile_to_string (gint v4l2_profile)
90 switch (v4l2_profile) {
91 case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN:
93 case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE:
94 return "mainstillpicture";
95 case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10:
98 GST_WARNING ("Unsupported V4L2 profile %i", v4l2_profile);
105 v4l2_level_from_string (const gchar * level)
107 gint v4l2_level = -1;
109 if (g_str_equal (level, "1"))
110 v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_1;
111 else if (g_str_equal (level, "2"))
112 v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_2;
113 else if (g_str_equal (level, "2.1"))
114 v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_2_1;
115 else if (g_str_equal (level, "3"))
116 v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_3;
117 else if (g_str_equal (level, "3.1"))
118 v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_3_1;
119 else if (g_str_equal (level, "4"))
120 v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_4;
121 else if (g_str_equal (level, "4.1"))
122 v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_4_1;
123 else if (g_str_equal (level, "5"))
124 v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_5;
125 else if (g_str_equal (level, "5.1"))
126 v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1;
127 else if (g_str_equal (level, "5.2"))
128 v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_5_2;
129 else if (g_str_equal (level, "6"))
130 v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_6;
131 else if (g_str_equal (level, "6.1"))
132 v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_6_1;
133 else if (g_str_equal (level, "6.2"))
134 v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_6_2;
136 GST_WARNING ("Unsupported level '%s'", level);
142 v4l2_level_to_string (gint v4l2_level)
144 switch (v4l2_level) {
145 case V4L2_MPEG_VIDEO_HEVC_LEVEL_1:
147 case V4L2_MPEG_VIDEO_HEVC_LEVEL_2:
149 case V4L2_MPEG_VIDEO_HEVC_LEVEL_2_1:
151 case V4L2_MPEG_VIDEO_HEVC_LEVEL_3:
153 case V4L2_MPEG_VIDEO_HEVC_LEVEL_3_1:
155 case V4L2_MPEG_VIDEO_HEVC_LEVEL_4:
157 case V4L2_MPEG_VIDEO_HEVC_LEVEL_4_1:
159 case V4L2_MPEG_VIDEO_HEVC_LEVEL_5:
161 case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1:
163 case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_2:
165 case V4L2_MPEG_VIDEO_HEVC_LEVEL_6:
167 case V4L2_MPEG_VIDEO_HEVC_LEVEL_6_1:
169 case V4L2_MPEG_VIDEO_HEVC_LEVEL_6_2:
172 GST_WARNING ("Unsupported V4L2 level %i", v4l2_level);
180 gst_v4l2_h265_enc_init (GstV4l2H265Enc * self)
185 gst_v4l2_h265_enc_class_init (GstV4l2H265EncClass * klass)
187 GstElementClass *element_class;
188 GObjectClass *gobject_class;
189 GstV4l2VideoEncClass *baseclass;
191 parent_class = g_type_class_peek_parent (klass);
193 element_class = (GstElementClass *) klass;
194 gobject_class = (GObjectClass *) klass;
195 baseclass = (GstV4l2VideoEncClass *) (klass);
197 GST_DEBUG_CATEGORY_INIT (gst_v4l2_h265_enc_debug, "v4l2h265enc", 0,
198 "V4L2 H.265 Encoder");
200 gst_element_class_set_static_metadata (element_class,
201 "V4L2 H.265 Encoder",
202 "Codec/Encoder/Video/Hardware",
203 "Encode H.265 video streams via V4L2 API",
204 "Amit Pandya <apandya@nvidia.com>");
206 gobject_class->set_property =
207 GST_DEBUG_FUNCPTR (gst_v4l2_h265_enc_set_property);
208 gobject_class->get_property =
209 GST_DEBUG_FUNCPTR (gst_v4l2_h265_enc_get_property);
211 baseclass->codec_name = "H265";
212 baseclass->profile_cid = V4L2_CID_MPEG_VIDEO_HEVC_PROFILE;
213 baseclass->profile_to_string = v4l2_profile_to_string;
214 baseclass->profile_from_string = v4l2_profile_from_string;
215 baseclass->level_cid = V4L2_CID_MPEG_VIDEO_HEVC_LEVEL;
216 baseclass->level_to_string = v4l2_level_to_string;
217 baseclass->level_from_string = v4l2_level_from_string;
220 /* Probing functions */
222 gst_v4l2_is_h265_enc (GstCaps * sink_caps, GstCaps * src_caps)
224 return gst_v4l2_is_video_enc (sink_caps, src_caps,
225 gst_static_caps_get (&src_template_caps));
229 gst_v4l2_h265_enc_register (GstPlugin * plugin, const gchar * basename,
230 const gchar * device_path, GstCaps * sink_caps, GstCaps * src_caps)
232 gst_v4l2_video_enc_register (plugin, GST_TYPE_V4L2_H265_ENC,
233 "h265", basename, device_path, sink_caps,
234 gst_static_caps_get (&src_template_caps), src_caps);