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>
(cherry picked from commit 1ea44178f5fff7eb600026a09a0ce7d477ed0240)
This commit is contained in:
Fei Wang 2019-12-11 09:37:40 +08:00 committed by James Almer
parent 0493699813
commit 69abae318a

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@ -1040,6 +1040,7 @@ 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;