h265parse: Parse and attach LCEVC metadata to buffers if presentHEADmain

Similar to h264parse, this patch enhances the element to parse LCEVC enhancement
data from SEI, and attach it to output buffers as GstLcevcMeta. The 'lcevc'
field in the output caps is also set to TRUE or FALSE depending on whether LCEVC
data is present or not.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9335>

5 files changed, 12 insertions, 3 deletions

diff --git a/subprojects/gst-integration-testsuites/medias b/subprojects/gst-integration-testsuites/medias
-Subproject 267105aebcfaee4ea8abbd8206b1cd705fb869b
+Subproject 3c93fda4fc74e9138ae2f83fcb2b92ccf40fd57
diff --git a/subprojects/gst-integration-testsuites/testsuites/validate/h265parse/alternate/flow-expectations/log-fakesink-sink-expected b/subprojects/gst-integration-testsuites/testsuites/validate/h265parse/alternate/flow-expectations/log-fakesink-sink-expected
index 1339641822..2401159c8f 100644
--- a/subprojects/gst-integration-testsuites/testsuites/validate/h265parse/alternate/flow-expectations/log-fakesink-sink-expected
+++ b/subprojects/gst-integration-testsuites/testsuites/validate/h265parse/alternate/flow-expectations/log-fakesink-sink-expected
@@ -1,5 +1,5 @@
 event stream-start: GstEventStreamStart, flags=(GstStreamFlags)GST_STREAM_FLAG_NONE, group-id=(uint)1;
-event caps: video/x-h265, alignment=(string)au, bit-depth-chroma=(uint)8, bit-depth-luma=(uint)8, chroma-format=(string)4:2:0, codec_data=(buffer)0101400000004000000000003cf000fcfdf8f800000f03200001001840010c01ffff01400000030040000003000003003c250240210001003642010101400000030040000003000003003ca009881a7779e96e44a1735010202ed00000030010000004b51affde103e805df7c2010422000100074401c07181cdb2, colorimetry=(string)2:0:0:1, framerate=(fraction)75/2, height=(int)200, level=(string)2, parsed=(boolean)true, profile=(string)main, stream-format=(string)hvc1, tier=(string)main, width=(int)300;
+event caps: video/x-h265, alignment=(string)au, bit-depth-chroma=(uint)8, bit-depth-luma=(uint)8, chroma-format=(string)4:2:0, codec_data=(buffer)0101400000004000000000003cf000fcfdf8f800000f03200001001840010c01ffff01400000030040000003000003003c250240210001003642010101400000030040000003000003003ca009881a7779e96e44a1735010202ed00000030010000004b51affde103e805df7c2010422000100074401c07181cdb2, colorimetry=(string)2:0:0:1, framerate=(fraction)75/2, height=(int)200, lcevc=(boolean)false, level=(string)2, parsed=(boolean)true, profile=(string)main, stream-format=(string)hvc1, tier=(string)main, width=(int)300;
 event segment: format=TIME, start=0:00:00.000000000, offset=0:00:00.000000000, stop=none, time=0:00:00.000000000, base=0:00:00.000000000, position=0:00:00.000000000
 event tag: GstTagList-stream, taglist=(taglist)"taglist\,\ video-codec\=\(string\)\"H.265\\\ \\\(Main\\\ Profile\\\)\"\;";
 buffer: dts=0:00:00.000000000, dur=0:00:00.013333333, flags=discont marker header last
diff --git a/subprojects/gst-integration-testsuites/testsuites/validate/h265parse/trickmode_predicted.seek_trickmode_predicted/flow-expectations/log-parse-src-expected b/subprojects/gst-integration-testsuites/testsuites/validate/h265parse/trickmode_predicted.seek_trickmode_predicted/flow-expectations/log-parse-src-expected
index 3c872273d7..a5e6e1cd4a 100644
--- a/subprojects/gst-integration-testsuites/testsuites/validate/h265parse/trickmode_predicted.seek_trickmode_predicted/flow-expectations/log-parse-src-expected
+++ b/subprojects/gst-integration-testsuites/testsuites/validate/h265parse/trickmode_predicted.seek_trickmode_predicted/flow-expectations/log-parse-src-expected
@@ -1,5 +1,5 @@
 event stream-start: GstEventStreamStart, flags=(GstStreamFlags)GST_STREAM_FLAG_NONE, group-id=(uint)1;
-event caps: video/x-h265, alignment=(string)au, bit-depth-chroma=(uint)10, bit-depth-luma=(uint)10, chroma-format=(string)4:2:0, codec_data=(buffer)0102200000009000000000003ff000fcfdfafa00000f03200001001840010c01ffff02200000030090000003000003003f959009210001002e42010102200000030090000003000003003fa00a080f136595924932bffc0004000404000003000400000300782022000100074401c172b46240, colorimetry=(string)2:4:5:4, framerate=(fraction)30/1, height=(int)240, level=(string)2.1, parsed=(boolean)true, pixel-aspect-ratio=(fraction)1/1, profile=(string)main-10, stream-format=(string)hvc1, tier=(string)main, width=(int)320;
+event caps: video/x-h265, alignment=(string)au, bit-depth-chroma=(uint)10, bit-depth-luma=(uint)10, chroma-format=(string)4:2:0, codec_data=(buffer)0102200000009000000000003ff000fcfdfafa00000f03200001001840010c01ffff02200000030090000003000003003f959009210001002e42010102200000030090000003000003003fa00a080f136595924932bffc0004000404000003000400000300782022000100074401c172b46240, colorimetry=(string)2:4:5:4, framerate=(fraction)30/1, height=(int)240, lcevc=(boolean)false, level=(string)2.1, parsed=(boolean)true, pixel-aspect-ratio=(fraction)1/1, profile=(string)main-10, stream-format=(string)hvc1, tier=(string)main, width=(int)320;
 event segment: format=TIME, start=0:00:00.066666666, offset=0:00:00.000000000, stop=0:00:10.066666666, time=0:00:00.000000000, base=0:00:00.000000000, position=0:00:00.066666666
 event tag: GstTagList-stream, taglist=(taglist)"taglist\,\ video-codec\=\(string\)\"H.265\\\ /\\\ HEVC\"\,\ maximum-bitrate\=\(uint\)1937280\,\ bitrate\=\(uint\)1537413\,\ container-specific-track-id\=\(string\)2\,\ encoder\=\(string\)x265\;";
 event tag: GstTagList-global, taglist=(taglist)"taglist\,\ datetime\=\(datetime\)2019-07-15T17:28:39Z\,\ container-format\=\(string\)\"ISO\\\ MP4/M4A\"\;";
diff --git a/subprojects/gst-plugins-bad/gst/videoparsers/gsth265parse.c b/subprojects/gst-plugins-bad/gst/videoparsers/gsth265parse.c
index 1470256498..7f122aeaad 100644
--- a/subprojects/gst-plugins-bad/gst/videoparsers/gsth265parse.c
+++ b/subprojects/gst-plugins-bad/gst/videoparsers/gsth265parse.c
@@ -231,6 +231,7 @@ gst_h265_parse_reset_stream_info (GstH265Parse * h265parse)
   h265parse->parsed_colorimetry.matrix = GST_VIDEO_COLOR_MATRIX_UNKNOWN;
   h265parse->parsed_colorimetry.transfer = GST_VIDEO_TRANSFER_UNKNOWN;
   h265parse->parsed_colorimetry.primaries = GST_VIDEO_COLOR_PRIMARIES_UNKNOWN;
+  h265parse->lcevc = FALSE;
   h265parse->have_pps = FALSE;
   h265parse->have_sps = FALSE;
   h265parse->have_vps = FALSE;
@@ -698,8 +699,9 @@ gst_h265_parse_process_sei_user_data (GstH265Parse * h265parse,
   GstByteReader br;
   GstVideoParseUtilsField field = GST_VIDEO_PARSE_UTILS_FIELD_1;
 
-  /* only US country code is currently supported */
+  /* only US and UK country codes are currently supported */
   switch (rud->country_code) {
+    case ITU_T_T35_COUNTRY_CODE_UK:
     case ITU_T_T35_COUNTRY_CODE_US:
       break;
     default:
@@ -2562,6 +2564,11 @@ gst_h265_parse_update_src_caps (GstH265Parse * h265parse, GstCaps * caps)
           "Couldn't set content light level to caps");
     }
 
+    if (h265parse->user_data.lcevc_enhancement_data || h265parse->lcevc)
+      gst_caps_set_simple (caps, "lcevc", G_TYPE_BOOLEAN, TRUE, NULL);
+    else
+      gst_caps_set_simple (caps, "lcevc", G_TYPE_BOOLEAN, FALSE, NULL);
+
     src_caps = gst_pad_get_current_caps (GST_BASE_PARSE_SRC_PAD (h265parse));
 
     if (src_caps) {
@@ -3289,6 +3296,7 @@ gst_h265_parse_set_caps (GstBaseParse * parse, GstCaps * caps)
       &h265parse->fps_den);
   gst_structure_get_fraction (str, "pixel-aspect-ratio",
       &h265parse->upstream_par_n, &h265parse->upstream_par_d);
+  gst_structure_get_boolean (str, "lcevc", &h265parse->lcevc);
 
   /* get upstream format and align from caps */
   gst_h265_parse_format_from_caps (caps, &format, &align);
diff --git a/subprojects/gst-plugins-bad/gst/videoparsers/gsth265parse.h b/subprojects/gst-plugins-bad/gst/videoparsers/gsth265parse.h
index d71f03535f..feaad9f2f6 100644
--- a/subprojects/gst-plugins-bad/gst/videoparsers/gsth265parse.h
+++ b/subprojects/gst-plugins-bad/gst/videoparsers/gsth265parse.h
@@ -56,6 +56,7 @@ struct _GstH265Parse
   gint parsed_par_n, parsed_par_d;
   gint parsed_fps_n, parsed_fps_d;
   GstVideoColorimetry parsed_colorimetry;
+  gboolean lcevc;
   /* current codec_data in output caps, if any */
   GstBuffer *codec_data;
   /* input codec_data, if any */