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Code Issues Releases Activity

avcodec/hevc_sei: check active_seq_parameter_set_id validity

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-11-03 02:07:31 +01:00
parent 6e87dfb589
commit 63a37d0e1e
1 changed files with 10 additions and 2 deletions
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12
libavcodec/hevc_sei.c
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@ -99,21 +99,29 @@ static int decode_pic_timing(HEVCContext *s)
return 1; return 1;
} }
static void active_parameter_sets(HEVCContext *s) static int active_parameter_sets(HEVCContext *s)
{ {
GetBitContext *gb = &s->HEVClc->gb; GetBitContext *gb = &s->HEVClc->gb;
int num_sps_ids_minus1; int num_sps_ids_minus1;
int i; int i;
unsigned active_seq_parameter_set_id;
get_bits(gb, 4); // active_video_parameter_set_id get_bits(gb, 4); // active_video_parameter_set_id
get_bits(gb, 1); // self_contained_cvs_flag get_bits(gb, 1); // self_contained_cvs_flag
get_bits(gb, 1); // num_sps_ids_minus1 get_bits(gb, 1); // num_sps_ids_minus1
num_sps_ids_minus1 = get_ue_golomb_long(gb); // num_sps_ids_minus1 num_sps_ids_minus1 = get_ue_golomb_long(gb); // num_sps_ids_minus1
s->active_seq_parameter_set_id = get_ue_golomb_long(gb); active_seq_parameter_set_id = get_ue_golomb_long(gb);
if (active_seq_parameter_set_id >= MAX_SPS_COUNT) {
av_log(s->avctx, AV_LOG_ERROR, "active_parameter_set_id %d invalid\n", active_seq_parameter_set_id);
return AVERROR_INVALIDDATA;
}
s->active_seq_parameter_set_id = active_seq_parameter_set_id;
for (i = 1; i <= num_sps_ids_minus1; i++) for (i = 1; i <= num_sps_ids_minus1; i++)
get_ue_golomb_long(gb); // active_seq_parameter_set_id[i] get_ue_golomb_long(gb); // active_seq_parameter_set_id[i]
return 0;
} }
static int decode_nal_sei_message(HEVCContext *s) static int decode_nal_sei_message(HEVCContext *s)