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

Message ID 20190514031222.9760-2-philipl@overt.org
State Accepted
Commit 89bd7554b209a447062c306129d3f36d673cbd4d
Headers show

Commit Message

Philip Langdale May 14, 2019, 3:12 a.m. UTC 
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(-)
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Patch

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,
     };