[FFmpeg-devel] [PATCH v3 3/3] avfilter/vf_bwdif_vulkan: consider chroma subsampling when enforcing minimum dimensions

[Cosmin Stejerean]

From: Cosmin Stejerean <cosmin at cosmin.at>

Signed-off-by: Cosmin Stejerean <cosmin at cosmin.at>
---
 libavfilter/vf_bwdif_vulkan.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/libavfilter/vf_bwdif_vulkan.c b/libavfilter/vf_bwdif_vulkan.c
index 690a89c4ba..c51df9aa26 100644
--- a/libavfilter/vf_bwdif_vulkan.c
+++ b/libavfilter/vf_bwdif_vulkan.c
@@ -362,15 +362,14 @@ static int bwdif_vulkan_config_output(AVFilterLink *outlink)
         outlink->frame_rate = av_mul_q(avctx->inputs[0]->frame_rate,
                                        (AVRational){2, 1});
 
-    if (outlink->w < 4 || outlink->h < 4) {
-        av_log(avctx, AV_LOG_ERROR, "Video of less than 4 columns or lines is not "
-               "supported\n");
-        return AVERROR(EINVAL);
-    }
-
     y->csp = av_pix_fmt_desc_get(vkctx->frames->sw_format);
     y->filter = bwdif_vulkan_filter_frame;
 
+    if (AV_CEIL_RSHIFT(outlink->w, y->csp->log2_chroma_w) < 4 || AV_CEIL_RSHIFT(outlink->h, y->csp->log2_chroma_h) < 4) {
+        av_log(avctx, AV_LOG_ERROR, "Video with planes less than 4 columns or lines is not supported\n");
+        return AVERROR(EINVAL);
+    }
+
     return init_filter(avctx);
 }
 
-- 
2.42.1