gstreamer/sys/v4l2/gstv4l2h265codec.c
2021-01-27 01:22:41 +00:00

158 lines
4.7 KiB
C

/*
* Copyright (C) 2018 NVIDIA CORPORATION.
* Author: Amit Pandya <apandya@nvidia.com>
* Factored out from gstv4l2h264enc by Philippe Normand <philn@igalia.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 "gstv4l2h265codec.h"
#include <gst/gst.h>
#include "ext/v4l2-controls.h"
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, "main-still-picture")) {
v4l2_profile = V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE;
} else if (g_str_equal (profile, "main-10")) {
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 "main-still-picture";
case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10:
return "main-10";
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;
}
const GstV4l2Codec *
gst_v4l2_h265_get_codec (void)
{
static GstV4l2Codec *codec = NULL;
if (g_once_init_enter (&codec)) {
static GstV4l2Codec c;
c.profile_cid = V4L2_CID_MPEG_VIDEO_HEVC_PROFILE;
c.profile_to_string = v4l2_profile_to_string;
c.profile_from_string = v4l2_profile_from_string;
c.level_cid = V4L2_CID_MPEG_VIDEO_HEVC_LEVEL;
c.level_to_string = v4l2_level_to_string;
c.level_from_string = v4l2_level_from_string;
g_once_init_leave (&codec, &c);
}
return codec;
}