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commit cb8a006f8a2777ad2766ed7018458e9024586ad8 Author: Niklas Haas <[email protected]> AuthorDate: Fri Jun 19 14:09:42 2026 +0200 Commit: Niklas Haas <[email protected]> CommitDate: Sat Jun 20 03:04:01 2026 +0200 swscale/graph: don't over-allocate pass buffer lines This is not only wasteful but also serves no real purpose. Looping over the correct number of lines is trivial; there is far less point in vertical padding than horizontal padding. Furthermore, this might actually introduce issues when linking output buffers; since the extra padding depends on the pass's alignment and threading requirements, which may differ from pass to pass. Sponsored-by: Sovereign Tech Fund Signed-off-by: Niklas Haas <[email protected]> --- libswscale/graph.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/libswscale/graph.c b/libswscale/graph.c index 3db3b98c7b..06e5ebefc8 100644 --- a/libswscale/graph.c +++ b/libswscale/graph.c @@ -201,6 +201,10 @@ int ff_sws_graph_add_pass(SwsGraph *graph, enum AVPixelFormat fmt, goto fail; } + pass->output->height = pass->height; + pass->output->width = pass->width; + pass->output->width_align = 1; + if (!align) { pass->slice_h = pass->height; pass->num_slices = 1; @@ -210,11 +214,6 @@ int ff_sws_graph_add_pass(SwsGraph *graph, enum AVPixelFormat fmt, pass->num_slices = (pass->height + pass->slice_h - 1) / pass->slice_h; } - /* Align output buffer to include extra slice padding */ - pass->output->height = pass->slice_h * pass->num_slices; - pass->output->width = pass->width; - pass->output->width_align = 1; - ret = av_dynarray_add_nofree(&graph->passes, &graph->num_passes, pass); if (ret < 0) goto fail; _______________________________________________ ffmpeg-cvslog mailing list -- [email protected] To unsubscribe send an email to [email protected]
