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h265parse: Use gst_h265_parser_parse_decoder_config_record()

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Stop duplicating code and use newly added parsing method instead

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2759>
This commit is contained in:
Seungha Yang 2022-07-15 01:23:43 +09:00 committed by GStreamer Marge Bot
parent 5227b3c9a6
commit 8c596aeb5b
1 changed files with 19 additions and 44 deletions
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63
subprojects/gst-plugins-bad/gst/videoparsers/gsth265parse.c
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@ -3113,12 +3113,10 @@ gst_h265_parse_set_caps (GstBaseParse * parse, GstCaps * caps)
GstStructure *str;
const GValue *value;
GstBuffer *codec_data = NULL;
gsize off, size;
guint format, align;
guint num_nals, i, j;
GstH265NalUnit nalu;
GstH265ParserResult parseres;
GstCaps *old_caps;
GstH265DecoderConfigRecord *config = NULL;
h265parse = GST_H265_PARSE (parse);
@ -3149,8 +3147,7 @@ gst_h265_parse_set_caps (GstBaseParse * parse, GstCaps * caps)
if (format != GST_H265_PARSE_FORMAT_BYTE &&
(value = gst_structure_get_value (str, "codec_data"))) {
GstMapInfo map;
guint8 *data;
guint num_nal_arrays;
guint i, j;
GST_DEBUG_OBJECT (h265parse, "have packetized h265");
/* make note for optional split processing */
@ -3160,49 +3157,32 @@ gst_h265_parse_set_caps (GstBaseParse * parse, GstCaps * caps)
if (!codec_data)
goto wrong_type;
gst_buffer_map (codec_data, &map, GST_MAP_READ);
data = map.data;
size = map.size;
/* parse the hvcC data */
if (size < 23) {
parseres =
gst_h265_parser_parse_decoder_config_record (h265parse->nalparser,
map.data, map.size, &config);
if (parseres != GST_H265_PARSER_OK) {
gst_buffer_unmap (codec_data, &map);
goto hvcc_too_small;
}
/* parse the version, this must be one but
* is zero until the spec is finalized */
if (data[0] != 0 && data[0] != 1) {
gst_buffer_unmap (codec_data, &map);
goto wrong_version;
goto hvcc_failed;
}
h265parse->nal_length_size = (data[21] & 0x03) + 1;
h265parse->nal_length_size = config->length_size_minus_one + 1;
GST_DEBUG_OBJECT (h265parse, "nal length size %u",
h265parse->nal_length_size);
num_nal_arrays = data[22];
off = 23;
for (i = 0; i < config->nalu_array->len; i++) {
GstH265DecoderConfigRecordNalUnitArray *array =
&g_array_index (config->nalu_array,
GstH265DecoderConfigRecordNalUnitArray, i);
for (i = 0; i < num_nal_arrays; i++) {
if (off + 3 >= size) {
gst_buffer_unmap (codec_data, &map);
goto hvcc_too_small;
}
for (j = 0; j < array->nalu->len; j++) {
GstH265NalUnit *nalu = &g_array_index (array->nalu, GstH265NalUnit, j);
num_nals = GST_READ_UINT16_BE (data + off + 1);
off += 3;
for (j = 0; j < num_nals; j++) {
parseres = gst_h265_parser_identify_nalu_hevc (h265parse->nalparser,
data, off, size, 2, &nalu);
if (parseres != GST_H265_PARSER_OK) {
gst_buffer_unmap (codec_data, &map);
goto hvcc_too_small;
}
gst_h265_parse_process_nal (h265parse, &nalu);
off = nalu.offset + nalu.size;
gst_h265_parse_process_nal (h265parse, nalu);
}
}
gst_h265_decoder_config_record_free (config);
gst_buffer_unmap (codec_data, &map);
/* don't confuse codec_data with inband vps/sps/pps */
@ -3270,14 +3250,9 @@ gst_h265_parse_set_caps (GstBaseParse * parse, GstCaps * caps)
return TRUE;
/* ERRORS */
hvcc_too_small:
hvcc_failed:
{
GST_DEBUG_OBJECT (h265parse, "hvcC size %" G_GSIZE_FORMAT " < 23", size);
goto refuse_caps;
}
wrong_version:
{
GST_DEBUG_OBJECT (h265parse, "wrong hvcC version");
GST_DEBUG_OBJECT (h265parse, "Failed to parse hvcC data");
goto refuse_caps;
}
wrong_type: