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hevc_mvs: avoid deriving tmvp in amvp 

Reduces the number of calls to tmvp derivation from 933685 to 586271 on
a sequence.

Reviewed-by: Mickaël Raulet <mraulet@insa-rennes.fr>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Christophe Gisquet 2014-08-08 18:21:04 +00:00 committed by Anton Khirnov
parent 14ca0aa69b
commit 3187fa14a3
1 changed files with 2 additions and 1 deletions
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3
libavcodec/hevc_mvs.c
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@ -828,7 +828,8 @@ void ff_hevc_luma_mv_mvp_mode(HEVCContext *s, int x0, int y0, int nPbW,
mvpcand_list[numMVPCandLX++] = mxB;
//temporal motion vector prediction candidate
if (numMVPCandLX < 2 && s->sh.slice_temporal_mvp_enabled_flag) {
if (numMVPCandLX < 2 && s->sh.slice_temporal_mvp_enabled_flag &&
mvp_lx_flag == numMVPCandLX) {
Mv mv_col;
int available_col = temporal_luma_motion_vector(s, x0, y0, nPbW,
nPbH, ref_idx,