[FFmpeg-devel] [PATCH 1/3] avfilter/vf_scale_cuda: Fix incorrect scaling of > 8bit content

Philip Langdale philipl at overt.org
Tue May 14 06:12:20 EEST 2019


When i converted the filter to use texture objects instead of
texture references, I incorrect dropped the `pixel_size` scaling
factor when setting `pitchInBytes`. `src_pitch` is in pixels and
so must be scaled up.
---
 libavfilter/vf_scale_cuda.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/vf_scale_cuda.c b/libavfilter/vf_scale_cuda.c
index c97a802ddc..ecfd6a1c92 100644
--- a/libavfilter/vf_scale_cuda.c
+++ b/libavfilter/vf_scale_cuda.c
@@ -357,7 +357,7 @@ static int call_resize_kernel(AVFilterContext *ctx, CUfunction func, int channel
         .res.pitch2D.numChannels = channels,
         .res.pitch2D.width = src_width,
         .res.pitch2D.height = src_height,
-        .res.pitch2D.pitchInBytes = src_pitch,
+        .res.pitch2D.pitchInBytes = src_pitch * pixel_size,
         .res.pitch2D.devPtr = (CUdeviceptr)src_dptr,
     };
 
-- 
2.20.1



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