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gstreamer/sys/v4l2/gstv4l2h264codec.c
Philippe Normand 4fb749d99f v4l2: Fix H.264 level 3 string representation 
The string_to_level function handles "3" so the level_to_string function should
do the same, to prevent caps negotiation issues.
2019-06-05 10:23:40 +01:00

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/*
* Copyright (C) 2017 Collabora Inc.
* Author: Nicolas Dufresne <nicolas.dufresne@collabora.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 "gstv4l2h264codec.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, "baseline")) {
v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE;
} else if (g_str_equal (profile, "constrained-baseline")) {
v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE;
} else if (g_str_equal (profile, "main")) {
v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_MAIN;
} else if (g_str_equal (profile, "extended")) {
v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED;
} else if (g_str_equal (profile, "high")) {
v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH;
} else if (g_str_equal (profile, "high-10")) {
v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10;
} else if (g_str_equal (profile, "high-4:2:2")) {
v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422;
} else if (g_str_equal (profile, "high-4:4:4")) {
v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_PREDICTIVE;
} else if (g_str_equal (profile, "high-10-intra")) {
v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10_INTRA;
} else if (g_str_equal (profile, "high-4:2:2-intra")) {
v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422_INTRA;
} else if (g_str_equal (profile, "high-4:4:4-intra")) {
v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_INTRA;
} else if (g_str_equal (profile, "cavlc-4:4:4-intra")) {
v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_CAVLC_444_INTRA;
} else if (g_str_equal (profile, "scalable-baseline")) {
v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_BASELINE;
} else if (g_str_equal (profile, "scalable-high")) {
v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH;
} else if (g_str_equal (profile, "scalable-high-intra")) {
v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH_INTRA;
} else if (g_str_equal (profile, "stereo-high")) {
v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH;
} else if (g_str_equal (profile, "multiview-high")) {
v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH;
} 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_H264_PROFILE_BASELINE:
return "baseline";
case V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE:
return "constrained-baseline";
case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN:
return "main";
case V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED:
return "extended";
case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH:
return "high";
case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10:
return "high-10";
case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422:
return "high-4:2:2";
case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_PREDICTIVE:
return "high-4:4:4";
case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10_INTRA:
return "high-10-intra";
case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422_INTRA:
return "high-4:2:2-intra";
case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_INTRA:
return "high-4:4:4-intra";
case V4L2_MPEG_VIDEO_H264_PROFILE_CAVLC_444_INTRA:
return "cavlc-4:4:4-intra";
case V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_BASELINE:
return "scalable-baseline";
case V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH:
return "scalable-high";
case V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH_INTRA:
return "scalable-high-intra";
case V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH:
return "stereo-high";
case V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH:
return "multiview-high";
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_H264_LEVEL_1_0;
else if (g_str_equal (level, "1b"))
v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_1B;
else if (g_str_equal (level, "1.1"))
v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_1_1;
else if (g_str_equal (level, "1.2"))
v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_1_2;
else if (g_str_equal (level, "1.3"))
v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_1_3;
else if (g_str_equal (level, "2"))
v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_2_0;
else if (g_str_equal (level, "2.1"))
v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_2_1;
else if (g_str_equal (level, "2.2"))
v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_2_2;
else if (g_str_equal (level, "3"))
v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_3_0;
else if (g_str_equal (level, "3.1"))
v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_3_1;
else if (g_str_equal (level, "3.2"))
v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_3_2;
else if (g_str_equal (level, "4"))
v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_4_0;
else if (g_str_equal (level, "4.1"))
v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_4_1;
else if (g_str_equal (level, "4.2"))
v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_4_2;
else if (g_str_equal (level, "5"))
v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_5_0;
else if (g_str_equal (level, "5.1"))
v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_5_1;
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_H264_LEVEL_1_0:
return "1";
case V4L2_MPEG_VIDEO_H264_LEVEL_1B:
return "1b";
case V4L2_MPEG_VIDEO_H264_LEVEL_1_1:
return "1.1";
case V4L2_MPEG_VIDEO_H264_LEVEL_1_2:
return "1.2";
case V4L2_MPEG_VIDEO_H264_LEVEL_1_3:
return "1.3";
case V4L2_MPEG_VIDEO_H264_LEVEL_2_0:
return "2";
case V4L2_MPEG_VIDEO_H264_LEVEL_2_1:
return "2.1";
case V4L2_MPEG_VIDEO_H264_LEVEL_2_2:
return "2.2";
case V4L2_MPEG_VIDEO_H264_LEVEL_3_0:
return "3";
case V4L2_MPEG_VIDEO_H264_LEVEL_3_1:
return "3.1";
case V4L2_MPEG_VIDEO_H264_LEVEL_3_2:
return "3.2";
case V4L2_MPEG_VIDEO_H264_LEVEL_4_0:
return "4";
case V4L2_MPEG_VIDEO_H264_LEVEL_4_1:
return "4.1";
case V4L2_MPEG_VIDEO_H264_LEVEL_4_2:
return "4.2";
case V4L2_MPEG_VIDEO_H264_LEVEL_5_0:
return "5";
case V4L2_MPEG_VIDEO_H264_LEVEL_5_1:
return "5.1";
default:
GST_WARNING ("Unsupported V4L2 level %i", v4l2_level);
break;
}
return NULL;
}
const GstV4l2Codec *
gst_v4l2_h264_get_codec (void)
{
static GstV4l2Codec *codec = NULL;
if (g_once_init_enter (&codec)) {
static GstV4l2Codec c;
c.profile_cid = V4L2_CID_MPEG_VIDEO_H264_PROFILE;
c.profile_to_string = v4l2_profile_to_string;
c.profile_from_string = v4l2_profile_from_string;
c.level_cid = V4L2_CID_MPEG_VIDEO_H264_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;
}
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