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hevc_refs: reduce code duplication in find_ref_idx()

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This commit is contained in:
Anton Khirnov 2020-05-27 10:46:50 +02:00
parent d29aaf12f4
commit 2a9bed8fc1
1 changed files with 6 additions and 16 deletions
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22
libavcodec/hevc_refs.c
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@ -360,24 +360,14 @@ int ff_hevc_slice_rpl(HEVCContext *s)
static HEVCFrame *find_ref_idx(HEVCContext *s, int poc, uint8_t use_msb)
{
int mask = use_msb ? ~0 : (1 << s->ps.sps->log2_max_poc_lsb) - 1;
int i;
if (use_msb) {
for (i = 0; i < FF_ARRAY_ELEMS(s->DPB); i++) {
HEVCFrame *ref = &s->DPB[i];
if (ref->frame->buf[0] && (ref->sequence == s->seq_decode)) {
if (ref->poc == poc)
return ref;
}
}
} else {
int LtMask = (1 << s->ps.sps->log2_max_poc_lsb) - 1;
for (i = 0; i < FF_ARRAY_ELEMS(s->DPB); i++) {
HEVCFrame *ref = &s->DPB[i];
if (ref->frame->buf[0] && ref->sequence == s->seq_decode) {
if ((ref->poc & LtMask) == poc)
return ref;
}
for (i = 0; i < FF_ARRAY_ELEMS(s->DPB); i++) {
HEVCFrame *ref = &s->DPB[i];
if (ref->frame->buf[0] && ref->sequence == s->seq_decode) {
if ((ref->poc & mask) == poc)
return ref;
}
}