According to section 6.3.3 "Spatial or component-wise partitionings,"
CTUs should fully cover slices with no overlaps, gaps, or additions.
No overlaps are ensured by task_init_parse.
No gaps and no additions are ensured by this patch.
Co-authored-by: Frank Plowman <p...@frankplowman.com>
---
libavcodec/vvc/thread.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/libavcodec/vvc/thread.c b/libavcodec/vvc/thread.c
index 82c00dd4c9..f623d6a394 100644
--- a/libavcodec/vvc/thread.c
+++ b/libavcodec/vvc/thread.c
@@ -822,6 +822,13 @@ int ff_vvc_frame_submit(VVCContext *s, VVCFrameContext *fc)
}
}
}
+ for (int rs = 0; rs < ft->ctu_count; rs++) {
+ const VVCTask *t = ft->tasks + rs;
+ if (!t->sc) {
+ av_log(s->avctx, AV_LOG_ERROR, "frame %5d, CTU(%d, %d) not belong
to any slice\r\n", (int)fc->decode_order, t->rx, t->ry);
+ return AVERROR_INVALIDDATA;
+ }
+ }
frame_thread_add_score(s, ft, 0, 0, VVC_TASK_STAGE_INIT);
return 0;
--
2.34.1
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