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6ce195e9d1
There used to be some profile/level support in encoders. This code was moved to GstV4l2Codecs and is now also used for decoders. The caps templates for the H.264, H.265, MPEG4, VP8 and VP9 encoders and decoders should now reflect the profiles and levels advertised by the kernel.
226 lines
7.8 KiB
C
226 lines
7.8 KiB
C
/*
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* Copyright (C) 2017 Collabora Inc.
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* Author: Nicolas Dufresne <nicolas.dufresne@collabora.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstv4l2h264codec.h"
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#include <gst/gst.h>
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#include "ext/v4l2-controls.h"
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static gint
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v4l2_profile_from_string (const gchar * profile)
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{
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gint v4l2_profile = -1;
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if (g_str_equal (profile, "baseline")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE;
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} else if (g_str_equal (profile, "constrained-baseline")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE;
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} else if (g_str_equal (profile, "main")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_MAIN;
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} else if (g_str_equal (profile, "extended")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED;
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} else if (g_str_equal (profile, "high")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH;
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} else if (g_str_equal (profile, "high-10")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10;
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} else if (g_str_equal (profile, "high-4:2:2")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422;
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} else if (g_str_equal (profile, "high-4:4:4")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_PREDICTIVE;
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} else if (g_str_equal (profile, "high-10-intra")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10_INTRA;
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} else if (g_str_equal (profile, "high-4:2:2-intra")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422_INTRA;
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} else if (g_str_equal (profile, "high-4:4:4-intra")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_INTRA;
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} else if (g_str_equal (profile, "cavlc-4:4:4-intra")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_CAVLC_444_INTRA;
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} else if (g_str_equal (profile, "scalable-baseline")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_BASELINE;
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} else if (g_str_equal (profile, "scalable-high")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH;
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} else if (g_str_equal (profile, "scalable-high-intra")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH_INTRA;
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} else if (g_str_equal (profile, "stereo-high")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH;
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} else if (g_str_equal (profile, "multiview-high")) {
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v4l2_profile = V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH;
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} else {
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GST_WARNING ("Unsupported profile string '%s'", profile);
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}
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return v4l2_profile;
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}
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static const gchar *
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v4l2_profile_to_string (gint v4l2_profile)
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{
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switch (v4l2_profile) {
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case V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE:
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return "baseline";
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case V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE:
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return "constrained-baseline";
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case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN:
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return "main";
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case V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED:
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return "extended";
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case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH:
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return "high";
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case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10:
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return "high-10";
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case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422:
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return "high-4:2:2";
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case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_PREDICTIVE:
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return "high-4:4:4";
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case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10_INTRA:
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return "high-10-intra";
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case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422_INTRA:
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return "high-4:2:2-intra";
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case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_INTRA:
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return "high-4:4:4-intra";
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case V4L2_MPEG_VIDEO_H264_PROFILE_CAVLC_444_INTRA:
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return "cavlc-4:4:4-intra";
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case V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_BASELINE:
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return "scalable-baseline";
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case V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH:
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return "scalable-high";
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case V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH_INTRA:
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return "scalable-high-intra";
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case V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH:
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return "stereo-high";
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case V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH:
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return "multiview-high";
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default:
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GST_WARNING ("Unsupported V4L2 profile %i", v4l2_profile);
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break;
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}
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return NULL;
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}
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static gint
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v4l2_level_from_string (const gchar * level)
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{
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gint v4l2_level = -1;
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if (g_str_equal (level, "1"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_1_0;
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else if (g_str_equal (level, "1b"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_1B;
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else if (g_str_equal (level, "1.1"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_1_1;
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else if (g_str_equal (level, "1.2"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_1_2;
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else if (g_str_equal (level, "1.3"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_1_3;
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else if (g_str_equal (level, "2"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_2_0;
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else if (g_str_equal (level, "2.1"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_2_1;
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else if (g_str_equal (level, "2.2"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_2_2;
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else if (g_str_equal (level, "3"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_3_0;
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else if (g_str_equal (level, "3.1"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_3_1;
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else if (g_str_equal (level, "3.2"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_3_2;
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else if (g_str_equal (level, "4"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_4_0;
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else if (g_str_equal (level, "4.1"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_4_1;
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else if (g_str_equal (level, "4.2"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_4_2;
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else if (g_str_equal (level, "5"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_5_0;
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else if (g_str_equal (level, "5.1"))
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v4l2_level = V4L2_MPEG_VIDEO_H264_LEVEL_5_1;
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else
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GST_WARNING ("Unsupported level '%s'", level);
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return v4l2_level;
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}
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static const gchar *
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v4l2_level_to_string (gint v4l2_level)
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{
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switch (v4l2_level) {
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case V4L2_MPEG_VIDEO_H264_LEVEL_1_0:
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return "1";
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case V4L2_MPEG_VIDEO_H264_LEVEL_1B:
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return "1b";
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case V4L2_MPEG_VIDEO_H264_LEVEL_1_1:
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return "1.1";
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case V4L2_MPEG_VIDEO_H264_LEVEL_1_2:
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return "1.2";
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case V4L2_MPEG_VIDEO_H264_LEVEL_1_3:
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return "1.3";
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case V4L2_MPEG_VIDEO_H264_LEVEL_2_0:
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return "2";
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case V4L2_MPEG_VIDEO_H264_LEVEL_2_1:
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return "2.1";
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case V4L2_MPEG_VIDEO_H264_LEVEL_2_2:
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return "2.2";
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case V4L2_MPEG_VIDEO_H264_LEVEL_3_0:
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return "3.0";
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case V4L2_MPEG_VIDEO_H264_LEVEL_3_1:
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return "3.1";
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case V4L2_MPEG_VIDEO_H264_LEVEL_3_2:
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return "3.2";
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case V4L2_MPEG_VIDEO_H264_LEVEL_4_0:
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return "4";
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case V4L2_MPEG_VIDEO_H264_LEVEL_4_1:
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return "4.1";
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case V4L2_MPEG_VIDEO_H264_LEVEL_4_2:
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return "4.2";
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case V4L2_MPEG_VIDEO_H264_LEVEL_5_0:
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return "5";
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case V4L2_MPEG_VIDEO_H264_LEVEL_5_1:
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return "5.1";
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default:
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GST_WARNING ("Unsupported V4L2 level %i", v4l2_level);
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break;
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}
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return NULL;
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}
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const GstV4l2Codec *
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gst_v4l2_h264_get_codec (void)
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{
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static GstV4l2Codec *codec = NULL;
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if (g_once_init_enter (&codec)) {
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static GstV4l2Codec c;
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c.profile_cid = V4L2_CID_MPEG_VIDEO_H264_PROFILE;
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c.profile_to_string = v4l2_profile_to_string;
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c.profile_from_string = v4l2_profile_from_string;
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c.level_cid = V4L2_CID_MPEG_VIDEO_H264_LEVEL;
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c.level_to_string = v4l2_level_to_string;
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c.level_from_string = v4l2_level_from_string;
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g_once_init_leave (&codec, &c);
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}
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return codec;
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}
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