[FFmpeg-devel] [PATCH] lavf/qsv_scale: fix green stripe at the bottom

[Artem Galin]

Explicitly set region of interest for input surfaces.

Signed-off-by: Artem Galin <artem.galin at intel.com>
---
 libavfilter/vf_scale_qsv.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/libavfilter/vf_scale_qsv.c b/libavfilter/vf_scale_qsv.c
index 5064dcbb60..321adbbb18 100644
--- a/libavfilter/vf_scale_qsv.c
+++ b/libavfilter/vf_scale_qsv.c
@@ -274,7 +274,7 @@ static const mfxHandleType handle_types[] = {
     MFX_HANDLE_D3D11_DEVICE,
 };
 
-static int init_out_session(AVFilterContext *ctx)
+static int init_out_session(AVFilterContext *ctx, int in_width, int in_height)
 {
 
     QSVScaleContext                   *s = ctx->priv;
@@ -385,8 +385,11 @@ static int init_out_session(AVFilterContext *ctx)
                                          sizeof(*s->mem_ids_in));
         if (!s->mem_ids_in)
             return AVERROR(ENOMEM);
-        for (i = 0; i < in_frames_hwctx->nb_surfaces; i++)
+        for (i = 0; i < in_frames_hwctx->nb_surfaces; i++) {
             s->mem_ids_in[i] = in_frames_hwctx->surfaces[i].Data.MemId;
+            in_frames_hwctx->surfaces[i].Info.CropW = in_width;
+            in_frames_hwctx->surfaces[i].Info.CropH = in_height;
+        }
         s->nb_mem_ids_in = in_frames_hwctx->nb_surfaces;
 
         s->mem_ids_out = av_mallocz_array(out_frames_hwctx->nb_surfaces,
@@ -450,7 +453,7 @@ static int init_scale_session(AVFilterContext *ctx, int in_width, int in_height,
     if (ret < 0)
         return ret;
 
-    ret = init_out_session(ctx);
+    ret = init_out_session(ctx, in_width, in_height);
     if (ret < 0)
         return ret;
 
-- 
2.26.2