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h265parser: Add APIs to allow update VPS/SPS/PPS

Browse source 
gst_h265_parser_parse_{vps,sps,pps} APIs were used to parse VPS/SPS/PPS and
also in order to update parser's internal state at once. Meanwhile
gst_h265_parse_{vps,sps,pps} APIs are to parse VPS/SPS/PPS without state update.
This commit introduces new APIs so that only accepted VPS/SPS/PPS by user
can be updated to be used by parser.
This commit is contained in:
Seungha Yang 2020-03-30 15:42:35 +09:00 committed by GStreamer Merge Bot
parent a61549cbde
commit a2f68762b0
2 changed files with 133 additions and 0 deletions
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121
gst-libs/gst/codecparsers/gsth265parser.c
View file

@ -2824,6 +2824,127 @@ gst_h265_parser_parse_sei (GstH265Parser * nalparser, GstH265NalUnit * nalu,
return res;
}
/**
* gst_h265_parser_update_vps:
* @parser: a #GstH265Parser
* @vps: (transfer none): a #GstH265VPS.
*
* Replace internal Video Parameter Set struct corresponding to id of @vps
* with @vps. @nalparser will mark @vps as last parsed vps.
*
* Returns: a #GstH265ParserResult
*
* Since: 1.18
*/
GstH265ParserResult
gst_h265_parser_update_vps (GstH265Parser * parser, GstH265VPS * vps)
{
g_return_val_if_fail (parser != NULL, GST_H265_PARSER_ERROR);
g_return_val_if_fail (vps != NULL, GST_H265_PARSER_ERROR);
g_return_val_if_fail (vps->id >= 0 && vps->id < GST_H265_MAX_VPS_COUNT,
GST_H265_PARSER_ERROR);
if (!vps->valid) {
GST_WARNING ("Cannot update with invalid VPS");
return GST_H265_PARSER_ERROR;
}
GST_DEBUG ("Updating video parameter set with id: %d", vps->id);
parser->vps[vps->id] = *vps;
parser->last_vps = &parser->vps[vps->id];
return GST_H265_PARSER_OK;
}
/**
* gst_h265_parser_update_sps:
* @parser: a #GstH265Parser
* @sps: (transfer none): a #GstH265SPS.
*
* Replace internal Sequence Parameter Set struct corresponding to id of @sps
* with @sps. @nalparser will mark @sps as last parsed sps.
*
* Returns: a #GstH265ParserResult
*
* Since: 1.18
*/
GstH265ParserResult
gst_h265_parser_update_sps (GstH265Parser * parser, GstH265SPS * sps)
{
g_return_val_if_fail (parser != NULL, GST_H265_PARSER_ERROR);
g_return_val_if_fail (sps != NULL, GST_H265_PARSER_ERROR);
g_return_val_if_fail (sps->id >= 0 && sps->id < GST_H265_MAX_SPS_COUNT,
GST_H265_PARSER_ERROR);
if (!sps->valid) {
GST_WARNING ("Cannot update with invalid SPS");
return GST_H265_PARSER_ERROR;
}
if (sps->vps) {
GstH265VPS *vps = NULL;
vps = gst_h265_parser_get_vps (parser, vps->id);
if (!vps || vps != sps->vps) {
GST_WARNING ("Linked VPS is not identical to internal VPS");
return GST_H265_PARSER_BROKEN_LINK;
}
}
GST_DEBUG ("Updating sequence parameter set with id: %d", sps->id);
parser->sps[sps->id] = *sps;
parser->last_sps = &parser->sps[sps->id];
return GST_H265_PARSER_OK;
}
/**
* gst_h265_parser_update_pps:
* @parser: a #GstH265Parser
* @pps: (transfer none): a #GstH265PPS.
*
* Replace internal Sequence Parameter Set struct corresponding to id of @pps
* with @pps. @nalparser will mark @pps as last parsed sps.
*
* Returns: a #GstH265ParserResult
*
* Since: 1.18
*/
GstH265ParserResult
gst_h265_parser_update_pps (GstH265Parser * parser, GstH265PPS * pps)
{
GstH265SPS *sps;
g_return_val_if_fail (parser != NULL, GST_H265_PARSER_ERROR);
g_return_val_if_fail (pps != NULL, GST_H265_PARSER_ERROR);
g_return_val_if_fail (pps->id >= 0 && pps->id < GST_H265_MAX_PPS_COUNT,
GST_H265_PARSER_ERROR);
if (!pps->valid) {
GST_WARNING ("Cannot update with invalid PPS");
return GST_H265_PARSER_ERROR;
}
if (!pps->sps) {
GST_WARNING ("No linked SPS struct");
return GST_H265_PARSER_BROKEN_LINK;
}
sps = gst_h265_parser_get_sps (parser, pps->sps->id);
if (!sps || sps != pps->sps) {
GST_WARNING ("Linked SPS is not identical to internal SPS");
return GST_H265_PARSER_BROKEN_LINK;
}
GST_DEBUG ("Updating picture parameter set with id: %d", pps->id);
parser->pps[pps->id] = *pps;
parser->last_pps = &parser->pps[pps->id];
return GST_H265_PARSER_OK;
}
/**
* gst_h265_quant_matrix_4x4_get_zigzag_from_raster:

12
gst-libs/gst/codecparsers/gsth265parser.h
View file

@ -1578,6 +1578,18 @@ GstH265ParserResult gst_h265_parser_parse_sei (GstH265Parser * parser,
GstH265NalUnit * nalu,
GArray **messages);
GST_CODEC_PARSERS_API
GstH265ParserResult gst_h265_parser_update_vps (GstH265Parser * parser,
GstH265VPS * vps);
GST_CODEC_PARSERS_API
GstH265ParserResult gst_h265_parser_update_sps (GstH265Parser * parser,
GstH265SPS * sps);
GST_CODEC_PARSERS_API
GstH265ParserResult gst_h265_parser_update_pps (GstH265Parser * parser,
GstH265PPS * pps);
GST_CODEC_PARSERS_API
void gst_h265_parser_free (GstH265Parser * parser);