[vala/staging] gstreamer: Update from 1.19.3+ git master

[Rico Tzschichholz <ricotz src gnome org>]

commit 4a81a1ce06511bf4dff7e538f287ae8a1c4165a9
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Fri Jan 21 13:27:21 2022 +0100

    gstreamer: Update from 1.19.3+ git master

 vapi/gstreamer-pbutils-1.0.vapi | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)
---
diff --git a/vapi/gstreamer-pbutils-1.0.vapi b/vapi/gstreamer-pbutils-1.0.vapi
index 363a808ff..18ac6b3af 100644
--- a/vapi/gstreamer-pbutils-1.0.vapi
+++ b/vapi/gstreamer-pbutils-1.0.vapi
@@ -13,9 +13,9 @@ namespace Gst {
                                [CCode (cheader_filename = "gst/pbutils/pbutils.h", cname = 
"gst_codec_utils_aac_get_index_from_sample_rate")]
                                public static int get_index_from_sample_rate (uint rate);
                                [CCode (cheader_filename = "gst/pbutils/pbutils.h", cname = 
"gst_codec_utils_aac_get_level")]
-                               public static unowned string get_level ([CCode (array_length_cname = "len", 
array_length_pos = 1.1, array_length_type = "guint")] uint8[] audio_config);
+                               public static unowned string? get_level ([CCode (array_length_cname = "len", 
array_length_pos = 1.1, array_length_type = "guint")] uint8[] audio_config);
                                [CCode (cheader_filename = "gst/pbutils/pbutils.h", cname = 
"gst_codec_utils_aac_get_profile")]
-                               public static unowned string get_profile ([CCode (array_length_cname = "len", 
array_length_pos = 1.1, array_length_type = "guint")] uint8[] audio_config);
+                               public static unowned string? get_profile ([CCode (array_length_cname = 
"len", array_length_pos = 1.1, array_length_type = "guint")] uint8[] audio_config);
                                [CCode (cheader_filename = "gst/pbutils/pbutils.h", cname = 
"gst_codec_utils_aac_get_sample_rate")]
                                [Version (since = "1.10")]
                                public static uint get_sample_rate ([CCode (array_length_cname = "len", 
array_length_pos = 1.1, array_length_type = "guint")] uint8[] audio_config);
@@ -26,11 +26,11 @@ namespace Gst {
                                [CCode (cheader_filename = "gst/pbutils/pbutils.h", cname = 
"gst_codec_utils_h264_caps_set_level_and_profile")]
                                public static bool caps_set_level_and_profile (Gst.Caps caps, [CCode 
(array_length_cname = "len", array_length_pos = 2.1, array_length_type = "guint")] uint8[] sps);
                                [CCode (cheader_filename = "gst/pbutils/pbutils.h", cname = 
"gst_codec_utils_h264_get_level")]
-                               public static unowned string get_level ([CCode (array_length_cname = "len", 
array_length_pos = 1.1, array_length_type = "guint")] uint8[] sps);
+                               public static unowned string? get_level ([CCode (array_length_cname = "len", 
array_length_pos = 1.1, array_length_type = "guint")] uint8[] sps);
                                [CCode (cheader_filename = "gst/pbutils/pbutils.h", cname = 
"gst_codec_utils_h264_get_level_idc")]
                                public static uint8 get_level_idc (string level);
                                [CCode (cheader_filename = "gst/pbutils/pbutils.h", cname = 
"gst_codec_utils_h264_get_profile")]
-                               public static unowned string get_profile ([CCode (array_length_cname = "len", 
array_length_pos = 1.1, array_length_type = "guint")] uint8[] sps);
+                               public static unowned string? get_profile ([CCode (array_length_cname = 
"len", array_length_pos = 1.1, array_length_type = "guint")] uint8[] sps);
                                [CCode (cheader_filename = "gst/pbutils/pbutils.h", cname = 
"gst_codec_utils_h264_get_profile_flags_level")]
                                [Version (since = "1.20")]
                                public static bool get_profile_flags_level ([CCode (array_length_cname = 
"len", array_length_pos = 1.5, array_length_type = "guint")] uint8[] codec_data, out uint8 profile, out uint8 
flags, out uint8 level);
@@ -39,9 +39,9 @@ namespace Gst {
                                [CCode (cheader_filename = "gst/pbutils/pbutils.h", cname = 
"gst_codec_utils_mpeg4video_caps_set_level_and_profile")]
                                public static bool caps_set_level_and_profile (Gst.Caps caps, [CCode 
(array_length_cname = "len", array_length_pos = 2.1, array_length_type = "guint")] uint8[] vis_obj_seq);
                                [CCode (cheader_filename = "gst/pbutils/pbutils.h", cname = 
"gst_codec_utils_mpeg4video_get_level")]
-                               public static unowned string get_level ([CCode (array_length_cname = "len", 
array_length_pos = 1.1, array_length_type = "guint")] uint8[] vis_obj_seq);
+                               public static unowned string? get_level ([CCode (array_length_cname = "len", 
array_length_pos = 1.1, array_length_type = "guint")] uint8[] vis_obj_seq);
                                [CCode (cheader_filename = "gst/pbutils/pbutils.h", cname = 
"gst_codec_utils_mpeg4video_get_profile")]
-                               public static unowned string get_profile ([CCode (array_length_cname = "len", 
array_length_pos = 1.1, array_length_type = "guint")] uint8[] vis_obj_seq);
+                               public static unowned string? get_profile ([CCode (array_length_cname = 
"len", array_length_pos = 1.1, array_length_type = "guint")] uint8[] vis_obj_seq);
                        }
                }
                [CCode (cheader_filename = "gst/pbutils/pbutils.h", cname = "GstAudioVisualizer", 
lower_case_cprefix = "gst_audio_visualizer_", type_id = "gst_audio_visualizer_get_type ()")]
@@ -374,22 +374,22 @@ namespace Gst {
                public static bool add_codec_description_to_tag_list (Gst.TagList taglist, string? codec_tag, 
Gst.Caps caps);
                [CCode (cheader_filename = "gst/pbutils/pbutils.h", cname = 
"gst_codec_utils_caps_get_mime_codec")]
                [Version (since = "1.20")]
-               public static string codec_utils_caps_get_mime_codec (Gst.Caps caps);
+               public static string? codec_utils_caps_get_mime_codec (Gst.Caps caps);
                [CCode (cheader_filename = "gst/pbutils/pbutils.h", cname = 
"gst_codec_utils_h265_caps_set_level_tier_and_profile")]
                [Version (since = "1.4")]
                public static bool codec_utils_h265_caps_set_level_tier_and_profile (Gst.Caps caps, [CCode 
(array_length_cname = "len", array_length_pos = 2.1, array_length_type = "guint")] uint8[] 
profile_tier_level);
                [CCode (cheader_filename = "gst/pbutils/pbutils.h", cname = "gst_codec_utils_h265_get_level")]
                [Version (since = "1.4")]
-               public static unowned string codec_utils_h265_get_level ([CCode (array_length_cname = "len", 
array_length_pos = 1.1, array_length_type = "guint")] uint8[] profile_tier_level);
+               public static unowned string? codec_utils_h265_get_level ([CCode (array_length_cname = "len", 
array_length_pos = 1.1, array_length_type = "guint")] uint8[] profile_tier_level);
                [CCode (cheader_filename = "gst/pbutils/pbutils.h", cname = 
"gst_codec_utils_h265_get_level_idc")]
                [Version (since = "1.4")]
                public static uint8 codec_utils_h265_get_level_idc (string level);
                [CCode (cheader_filename = "gst/pbutils/pbutils.h", cname = 
"gst_codec_utils_h265_get_profile")]
                [Version (since = "1.4")]
-               public static unowned string codec_utils_h265_get_profile ([CCode (array_length_cname = 
"len", array_length_pos = 1.1, array_length_type = "guint")] uint8[] profile_tier_level);
+               public static unowned string? codec_utils_h265_get_profile ([CCode (array_length_cname = 
"len", array_length_pos = 1.1, array_length_type = "guint")] uint8[] profile_tier_level);
                [CCode (cheader_filename = "gst/pbutils/pbutils.h", cname = "gst_codec_utils_h265_get_tier")]
                [Version (since = "1.4")]
-               public static unowned string codec_utils_h265_get_tier ([CCode (array_length_cname = "len", 
array_length_pos = 1.1, array_length_type = "guint")] uint8[] profile_tier_level);
+               public static unowned string? codec_utils_h265_get_tier ([CCode (array_length_cname = "len", 
array_length_pos = 1.1, array_length_type = "guint")] uint8[] profile_tier_level);
                [CCode (cheader_filename = "gst/pbutils/pbutils.h", cname = 
"gst_codec_utils_opus_create_caps")]
                [Version (since = "1.8")]
                public static Gst.Caps codec_utils_opus_create_caps (uint32 rate, uint8 channels, uint8 
channel_mapping_family, uint8 stream_count, uint8 coupled_count, [CCode (array_length = false)] uint8[]? 
channel_mapping);