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avcodec/cbs_av1: always store temporal_id and spatial_id in CodedBitstreamAV1Context

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Also infer them when not coded in the bitstream.

Reviewed-by: jkqxz
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2020-08-23 14:30:23 -03:00
parent e2589ac650
commit 994d2567f1
2 changed files with 7 additions and 6 deletions
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6
libavcodec/cbs_av1.c
View File

@ -920,9 +920,6 @@ static int cbs_av1_read_unit(CodedBitstreamContext *ctx,
start_pos = get_bits_count(&gbc);
if (obu->header.obu_extension_flag) {
priv->temporal_id = obu->header.temporal_id;
priv->spatial_id = obu->header.spatial_id;
if (obu->header.obu_type != AV1_OBU_SEQUENCE_HEADER &&
obu->header.obu_type != AV1_OBU_TEMPORAL_DELIMITER &&
priv->operating_point_idc) {
@ -934,9 +931,6 @@ static int cbs_av1_read_unit(CodedBitstreamContext *ctx,
// Decoding will drop this OBU at this operating point.
}
}
} else {
priv->temporal_id = 0;
priv->spatial_id = 0;
}
switch (obu->header.obu_type) {

7
libavcodec/cbs_av1_syntax_template.c
View File

@ -19,6 +19,7 @@
static int FUNC(obu_header)(CodedBitstreamContext *ctx, RWContext *rw,
AV1RawOBUHeader *current)
{
CodedBitstreamAV1Context *priv = ctx->priv_data;
int err;
HEADER("OBU header");
@ -35,8 +36,14 @@ static int FUNC(obu_header)(CodedBitstreamContext *ctx, RWContext *rw,
fb(3, temporal_id);
fb(2, spatial_id);
fc(3, extension_header_reserved_3bits, 0, 0);
} else {
infer(temporal_id, 0);
infer(spatial_id, 0);
}
priv->temporal_id = current->temporal_id;
priv->spatial_id = current->spatial_id;
return 0;
}