[SCM] libav/experimental: hevc: Allow out of bound values for num_reorder_pics
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Aug 10 16:03:36 UTC 2014
The following commit has been merged in the experimental branch:
commit 9b60d9197970658e91daf4b586397f450de9af69
Author: Kieran Kunhya <kierank at obe.tv>
Date: Sun Jun 15 23:44:15 2014 +0200
hevc: Allow out of bound values for num_reorder_pics
This fixes decoding for a sample that cannot be shared
Signed-off-by: Anton Khirnov <anton at khirnov.net>
diff --git a/libavcodec/hevc_ps.c b/libavcodec/hevc_ps.c
index 5e5d4a7..65f41b2 100644
--- a/libavcodec/hevc_ps.c
+++ b/libavcodec/hevc_ps.c
@@ -375,9 +375,10 @@ int ff_hevc_decode_nal_vps(HEVCContext *s)
goto err;
}
if (vps->vps_num_reorder_pics[i] > vps->vps_max_dec_pic_buffering[i] - 1) {
- av_log(s->avctx, AV_LOG_ERROR, "vps_max_num_reorder_pics out of range: %d\n",
+ av_log(s->avctx, AV_LOG_WARNING, "vps_max_num_reorder_pics out of range: %d\n",
vps->vps_num_reorder_pics[i]);
- goto err;
+ if (s->avctx->err_recognition & AV_EF_EXPLODE)
+ goto err;
}
}
@@ -760,10 +761,14 @@ int ff_hevc_decode_nal_sps(HEVCContext *s)
goto err;
}
if (sps->temporal_layer[i].num_reorder_pics > sps->temporal_layer[i].max_dec_pic_buffering - 1) {
- av_log(s->avctx, AV_LOG_ERROR, "sps_max_num_reorder_pics out of range: %d\n",
+ av_log(s->avctx, AV_LOG_WARNING, "sps_max_num_reorder_pics out of range: %d\n",
sps->temporal_layer[i].num_reorder_pics);
- ret = AVERROR_INVALIDDATA;
- goto err;
+ if (s->avctx->err_recognition & AV_EF_EXPLODE ||
+ sps->temporal_layer[i].num_reorder_pics > MAX_DPB_SIZE - 1) {
+ ret = AVERROR_INVALIDDATA;
+ goto err;
+ }
+ sps->temporal_layer[i].max_dec_pic_buffering = sps->temporal_layer[i].num_reorder_pics + 1;
}
}
--
Libav/FFmpeg packaging
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