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/*
* Copyright (C) 2018 NVIDIA CORPORATION.
* Author: Amit Pandya <apandya@nvidia.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <unistd.h>
#include <string.h>
#include "gstv4l2object.h"
#include "gstv4l2h265enc.h"
#include <string.h>
#include <gst/gst-i18n-plugin.h>
GST_DEBUG_CATEGORY_STATIC (gst_v4l2_h265_enc_debug);
#define GST_CAT_DEFAULT gst_v4l2_h265_enc_debug
static GstStaticCaps src_template_caps =
GST_STATIC_CAPS ("video/x-h265, stream-format=(string) byte-stream, "
"alignment=(string) au");
enum
{
PROP_0,
V4L2_STD_OBJECT_PROPS,
/* TODO add H265 controls */
};
#define gst_v4l2_h265_enc_parent_class parent_class
G_DEFINE_TYPE (GstV4l2H265Enc, gst_v4l2_h265_enc, GST_TYPE_V4L2_VIDEO_ENC);
static void
gst_v4l2_h265_enc_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec)
{
/* TODO */
}
static void
gst_v4l2_h265_enc_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec)
{
/* TODO */
}
static gint
v4l2_profile_from_string (const gchar * profile)
{
gint v4l2_profile = -1;
if (g_str_equal (profile, "main")) {
v4l2_profile = V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN;
} else if (g_str_equal (profile, "mainstillpicture")) {
v4l2_profile = V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE;
} else if (g_str_equal (profile, "main10")) {
v4l2_profile = V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10;
} else {
GST_WARNING ("Unsupported profile string '%s'", profile);
}
return v4l2_profile;
}
static const gchar *
v4l2_profile_to_string (gint v4l2_profile)
{
switch (v4l2_profile) {
case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN:
return "main";
case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE:
return "mainstillpicture";
case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10:
return "main10";
default:
GST_WARNING ("Unsupported V4L2 profile %i", v4l2_profile);
break;
}
return NULL;
}
static gint
v4l2_level_from_string (const gchar * level)
{
gint v4l2_level = -1;
if (g_str_equal (level, "1"))
v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_1;
else if (g_str_equal (level, "2"))
v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_2;
else if (g_str_equal (level, "2.1"))
v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_2_1;
else if (g_str_equal (level, "3"))
v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_3;
else if (g_str_equal (level, "3.1"))
v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_3_1;
else if (g_str_equal (level, "4"))
v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_4;
else if (g_str_equal (level, "4.1"))
v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_4_1;
else if (g_str_equal (level, "5"))
v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_5;
else if (g_str_equal (level, "5.1"))
v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1;
else if (g_str_equal (level, "5.2"))
v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_5_2;
else if (g_str_equal (level, "6"))
v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_6;
else if (g_str_equal (level, "6.1"))
v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_6_1;
else if (g_str_equal (level, "6.2"))
v4l2_level = V4L2_MPEG_VIDEO_HEVC_LEVEL_6_2;
else
GST_WARNING ("Unsupported level '%s'", level);
return v4l2_level;
}
static const gchar *
v4l2_level_to_string (gint v4l2_level)
{
switch (v4l2_level) {
case V4L2_MPEG_VIDEO_HEVC_LEVEL_1:
return "1";
case V4L2_MPEG_VIDEO_HEVC_LEVEL_2:
return "2";
case V4L2_MPEG_VIDEO_HEVC_LEVEL_2_1:
return "2.1";
case V4L2_MPEG_VIDEO_HEVC_LEVEL_3:
return "3";
case V4L2_MPEG_VIDEO_HEVC_LEVEL_3_1:
return "3.1";
case V4L2_MPEG_VIDEO_HEVC_LEVEL_4:
return "4";
case V4L2_MPEG_VIDEO_HEVC_LEVEL_4_1:
return "4.1";
case V4L2_MPEG_VIDEO_HEVC_LEVEL_5:
return "5";
case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1:
return "5.1";
case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_2:
return "5.2";
case V4L2_MPEG_VIDEO_HEVC_LEVEL_6:
return "6";
case V4L2_MPEG_VIDEO_HEVC_LEVEL_6_1:
return "6.1";
case V4L2_MPEG_VIDEO_HEVC_LEVEL_6_2:
return "6.2";
default:
GST_WARNING ("Unsupported V4L2 level %i", v4l2_level);
break;
}
return NULL;
}
static void
gst_v4l2_h265_enc_init (GstV4l2H265Enc * self)
{
}
static void
gst_v4l2_h265_enc_class_init (GstV4l2H265EncClass * klass)
{
GstElementClass *element_class;
GObjectClass *gobject_class;
GstV4l2VideoEncClass *baseclass;
parent_class = g_type_class_peek_parent (klass);
element_class = (GstElementClass *) klass;
gobject_class = (GObjectClass *) klass;
baseclass = (GstV4l2VideoEncClass *) (klass);
GST_DEBUG_CATEGORY_INIT (gst_v4l2_h265_enc_debug, "v4l2h265enc", 0,
"V4L2 H.265 Encoder");
gst_element_class_set_static_metadata (element_class,
"V4L2 H.265 Encoder",
"Codec/Encoder/Video",
"Encode H.265 video streams via V4L2 API",
"Amit Pandya <apandya@nvidia.com>");
gobject_class->set_property =
GST_DEBUG_FUNCPTR (gst_v4l2_h265_enc_set_property);
gobject_class->get_property =
GST_DEBUG_FUNCPTR (gst_v4l2_h265_enc_get_property);
baseclass->codec_name = "H265";
baseclass->profile_cid = V4L2_CID_MPEG_VIDEO_HEVC_PROFILE;
baseclass->profile_to_string = v4l2_profile_to_string;
baseclass->profile_from_string = v4l2_profile_from_string;
baseclass->level_cid = V4L2_CID_MPEG_VIDEO_HEVC_LEVEL;
baseclass->level_to_string = v4l2_level_to_string;
baseclass->level_from_string = v4l2_level_from_string;
}
/* Probing functions */
gboolean
gst_v4l2_is_h265_enc (GstCaps * sink_caps, GstCaps * src_caps)
{
return gst_v4l2_is_video_enc (sink_caps, src_caps,
gst_static_caps_get (&src_template_caps));
}
void
gst_v4l2_h265_enc_register (GstPlugin * plugin, const gchar * basename,
const gchar * device_path, GstCaps * sink_caps, GstCaps * src_caps)
{
gst_v4l2_video_enc_register (plugin, GST_TYPE_V4L2_H265_ENC,
"h265", basename, device_path, sink_caps,
gst_static_caps_get (&src_template_caps), src_caps);
}