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h266parse: parse codec_data

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8359>
This commit is contained in:
Carlos Bentzen 2025-02-05 14:17:45 +01:00 committed by GStreamer Marge Bot
parent 8607ccdf2c
commit f4f7e99e05
1 changed files with 31 additions and 2 deletions
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33
subprojects/gst-plugins-bad/gst/videoparsers/gsth266parse.c
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@ -3038,6 +3038,8 @@ gst_h266_parse_set_caps (GstBaseParse * parse, GstCaps * caps)
GstCaps *old_caps;
GstBuffer *codec_data = NULL;
const GValue *value;
GstH266DecoderConfigRecord *config = NULL;
GstH266ParserResult parseres;
h266parse = GST_H266_PARSE (parse);
@ -3067,6 +3069,8 @@ gst_h266_parse_set_caps (GstBaseParse * parse, GstCaps * caps)
/* packetized video has a codec_data */
if (format != GST_H266_PARSE_FORMAT_BYTE &&
(value = gst_structure_get_value (str, "codec_data"))) {
GstMapInfo map;
guint i, j;
GST_DEBUG_OBJECT (h266parse, "have packetized h266");
/* make note for optional split processing */
@ -3076,14 +3080,39 @@ gst_h266_parse_set_caps (GstBaseParse * parse, GstCaps * caps)
if (!codec_data)
goto wrong_type;
/* TODO: Need to refer to the new ISO/IEC 14496-15 to handle codec data. */
goto vvcc_failed;
gst_buffer_map (codec_data, &map, GST_MAP_READ);
parseres =
gst_h266_parser_parse_decoder_config_record (h266parse->nalparser,
map.data, map.size, &config);
if (parseres != GST_H266_PARSER_OK) {
gst_buffer_unmap (codec_data, &map);
goto vvcc_failed;
}
h266parse->nal_length_size = config->length_size_minus_one + 1;
GST_DEBUG_OBJECT (h266parse, "nal length size %u",
h266parse->nal_length_size);
for (i = 0; i < config->nalu_array->len; i++) {
GstH266DecoderConfigRecordNalUnitArray *array =
&g_array_index (config->nalu_array,
GstH266DecoderConfigRecordNalUnitArray, i);
for (j = 0; j < array->nalu->len; j++) {
GstH266NalUnit *nalu = &g_array_index (array->nalu, GstH266NalUnit, j);
gst_h266_parse_process_nal (h266parse, nalu);
}
}
/* don't confuse codec_data with inband vps/sps/pps */
h266parse->have_vps_in_frame = FALSE;
h266parse->have_sps_in_frame = FALSE;
h266parse->have_pps_in_frame = FALSE;
h266parse->have_aps_in_frame = FALSE;
gst_h266_decoder_config_record_free (config);
gst_buffer_unmap (codec_data, &map);
} else {
GST_DEBUG_OBJECT (h266parse, "have bytestream h266");
/* nothing to pre-process */