This is the same as is done for SPS.
---
libavcodec/hevc_ps.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/libavcodec/hevc_ps.c b/libavcodec/hevc_ps.c
index db658be..631dca8 100644
--- a/libavcodec/hevc_ps.c
+++ b/libavcodec/hevc_ps.c
@@ -407,8 +407,14 @@ int ff_hevc_decode_nal_vps(HEVCContext *s)
}
get_bits1(gb); /* vps_extension_flag */
- av_buffer_unref(&s->vps_list[vps_id]);
- s->vps_list[vps_id] = vps_buf;
+ if (s->vps_list[vps_id] &&
+ !memcmp(s->vps_list[vps_id]->data, vps_buf->data, vps_buf->size)) {
+ av_buffer_unref(&vps_buf);
+ } else {
+ av_buffer_unref(&s->vps_list[vps_id]);
+ s->vps_list[vps_id] = vps_buf;
+ }
+
return 0;
err:
--
2.0.0
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