The iHD driver looks at entries beyond num_ref_idx_l[01]_active_minus1
for unknown reasons.
---
libavcodec/vaapi_encode_h265.c | 21 +++++++++++++++++++--
1 file changed, 19 insertions(+), 2 deletions(-)
diff --git a/libavcodec/vaapi_encode_h265.c b/libavcodec/vaapi_encode_h265.c
index 38c9e2521..52ac4a687 100644
--- a/libavcodec/vaapi_encode_h265.c
+++ b/libavcodec/vaapi_encode_h265.c
@@ -767,8 +767,6 @@ static int
vaapi_encode_h265_init_slice_params(AVCodecContext *avctx,
.num_ref_idx_l0_active_minus1 = sh->num_ref_idx_l0_active_minus1,
.num_ref_idx_l1_active_minus1 = sh->num_ref_idx_l1_active_minus1,
- .ref_pic_list0[0] = vpic->reference_frames[0],
- .ref_pic_list1[0] = vpic->reference_frames[1],
.luma_log2_weight_denom = sh->luma_log2_weight_denom,
.delta_chroma_log2_weight_denom = sh->delta_chroma_log2_weight_denom,
@@ -802,6 +800,25 @@ static int
vaapi_encode_h265_init_slice_params(AVCodecContext *avctx,
},
};
+ for (i = 0; i < FF_ARRAY_ELEMS(vslice->ref_pic_list0); i++) {
+ vslice->ref_pic_list0[i].picture_id = VA_INVALID_ID;
+ vslice->ref_pic_list0[i].flags = VA_PICTURE_HEVC_INVALID;
+ vslice->ref_pic_list1[i].picture_id = VA_INVALID_ID;
+ vslice->ref_pic_list1[i].flags = VA_PICTURE_HEVC_INVALID;
+ }
+
+ av_assert0(pic->nb_refs <= 2);
+ if (pic->nb_refs >= 1) {
+ // Backward reference for P- or B-frame.
+ av_assert0(pic->type == PICTURE_TYPE_P ||
+ pic->type == PICTURE_TYPE_B);
+ vslice->ref_pic_list0[0] = vpic->reference_frames[0];
+ }
+ if (pic->nb_refs >= 2) {
+ // Forward reference for B-frame.
+ av_assert0(pic->type == PICTURE_TYPE_B);
+ vslice->ref_pic_list1[0] = vpic->reference_frames[1];
+ }
return 0;
}
--
2.15.1
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