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avcodec/cbs_av1: avoid reading trailing bits when obu type is OBU_TILE_LIST 

Signed-off-by: Fei Wang <fei.w.wang@intel.com>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
Fei Wang 2019-12-11 09:37:40 +08:00 committed by James Almer
parent 7e665e4a81
commit 1ea44178f5
1 changed files with 1 additions and 0 deletions
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libavcodec/cbs_av1.c
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@ -1039,6 +1039,7 @@ static int cbs_av1_read_unit(CodedBitstreamContext *ctx,
if (obu->obu_size > 0 &&
obu->header.obu_type != AV1_OBU_TILE_GROUP &&
obu->header.obu_type != AV1_OBU_TILE_LIST &&
obu->header.obu_type != AV1_OBU_FRAME) {
int nb_bits = obu->obu_size * 8 + start_pos - end_pos;