> 2021年5月31日 下午3:16，Steven Liu <liuq...@kuaishou.com> 写道： > > fix problem when set x to odd number in nv12 by cuda, > > test step: > 1. ffmpeg -f lavfi testsrc2=s=176x144 -pix_fmt nv12 -t 1 output_overlay.yuv > 1. ffmpeg -f lavfi testsrc2=s=352x288 -pix_fmt nv12 -t 1 output_main.yuv > before this patch: > overlay_cuda=x=0:y=0 will right, > overlay_cuda=x=3:y=0 will wrong, > > both will right after patch. > > Signed-off-by: Steven Liu <liuq...@kuaishou.com> > --- > libavfilter/vf_overlay_cuda.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/libavfilter/vf_overlay_cuda.c b/libavfilter/vf_overlay_cuda.c > index b91ac9a713..37886a9d3b 100644 > --- a/libavfilter/vf_overlay_cuda.c > +++ b/libavfilter/vf_overlay_cuda.c > @@ -145,11 +145,16 @@ static int overlay_cuda_blend(FFFrameSync *fs) > AVFilterContext *avctx = fs->parent; > OverlayCUDAContext *ctx = avctx->priv; > AVFilterLink *outlink = avctx->outputs[0]; > + AVFilterLink *inlink = avctx->inputs[0]; > > CudaFunctions *cu = ctx->hwctx->internal->cuda_dl; > CUcontext dummy, cuda_ctx = ctx->hwctx->cuda_ctx; > > AVFrame *input_main, *input_overlay; > + const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(inlink->format); > + > + int hsub = pix_desc->log2_chroma_w; > + int vsub = pix_desc->log2_chroma_h; > > ctx->cu_ctx = cuda_ctx; > > @@ -178,6 +183,9 @@ static int overlay_cuda_blend(FFFrameSync *fs) > return ret; > } > > + > + ctx->x_position &= (1 << hsub) - 1; > + ctx->y_position &= (1 << vsub) - 1; > // overlay first plane > > overlay_cuda_call_kernel(ctx, > -- > 2.25.0 > > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". >
Ping Thanks Steven Liu _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
