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avfilter/vf_scale_cuda: don't try to execute disabled filter passes

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Timo Rothenpieler committed 2026-08-20 12:09:22 +00:00
1 parent 7d77562d2a
commit 50a9e34e1b
1 file changed
+16 -15
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libavfilter/vf_scale_cuda.c
+16 -15
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@@ -157,6 +157,7 @@ typedef struct CUDAScaleContext {
CUDAScaleFilter filters_uv[FILTER_NB];
CUDATex inter_tex;
int use_filters; /* -1 for auto */
int pass_x, pass_y;
float param;
} CUDAScaleContext;
@@ -407,6 +408,8 @@ static av_cold int init_processing_chain(AVFilterContext *ctx, int in_width, int
s->frames_ctx = av_buffer_ref(inl->hw_frames_ctx);
if (!s->frames_ctx)
return AVERROR(ENOMEM);
s->use_filters = 0;
} else {
s->passthrough = 0;
@@ -451,9 +454,7 @@ static av_cold int cudascale_load_functions(AVFilterContext *ctx)
if (s->use_filters) {
/* Final pass is always vertical unless not vertically scaling */
AVFilterLink *inlink = ctx->inputs[0];
AVFilterLink *outlink = ctx->outputs[0];
function_infix = inlink->h == outlink->h ? "Generic_h" : "Generic_v";
function_infix = s->pass_y == FILTER_OUT ? "Generic_v" : "Generic_h";
s->interp_use_linear = 0;
s->interp_as_integer = 0;
} else {
@@ -623,19 +624,19 @@ static av_cold int cudascale_setup_filters(AVFilterContext *ctx)
if (ret < 0)
return ret;
int pass_x = -1, pass_y = -1;
s->pass_x = s->pass_y = -1;
if (inlink->w != outlink->w && inlink->h != outlink->h) {
/* Always perform the horizontal scaling pass first */
pass_x = FILTER_TMP;
pass_y = FILTER_OUT;
s->pass_x = FILTER_TMP;
s->pass_y = FILTER_OUT;
} else if (inlink->w != outlink->w) {
pass_x = FILTER_OUT;
s->pass_x = FILTER_OUT;
} else if (inlink->h != outlink->h) {
pass_y = FILTER_OUT;
s->pass_y = FILTER_OUT;
}
if (pass_x >= 0) {
ret = cudascale_filter_init(ctx, &s->filters[pass_x],
if (s->pass_x >= 0) {
ret = cudascale_filter_init(ctx, &s->filters[s->pass_x],
inlink->w, outlink->w, 0.0);
if (ret < 0)
goto fail;
@@ -643,15 +644,15 @@ static av_cold int cudascale_setup_filters(AVFilterContext *ctx)
const int src_size = AV_CEIL_RSHIFT(inlink->w, in_sub_x);
const int dst_size = AV_CEIL_RSHIFT(outlink->w, out_sub_x);
const double virtual_size = (double) outlink->w / (1 << out_sub_x);
ret = cudascale_filter_init(ctx, &s->filters_uv[pass_x],
ret = cudascale_filter_init(ctx, &s->filters_uv[s->pass_x],
src_size, dst_size, virtual_size);
if (ret < 0)
goto fail;
}
}
if (pass_y >= 0) {
ret = cudascale_filter_init(ctx, &s->filters[pass_y],
if (s->pass_y >= 0) {
ret = cudascale_filter_init(ctx, &s->filters[s->pass_y],
inlink->h, outlink->h, 0.0);
if (ret < 0)
goto fail;
@@ -659,7 +660,7 @@ static av_cold int cudascale_setup_filters(AVFilterContext *ctx)
const int src_size = AV_CEIL_RSHIFT(inlink->h, in_sub_y);
const int dst_size = AV_CEIL_RSHIFT(outlink->h, out_sub_y);
const double virtual_size = (double) outlink->h / (1 << out_sub_y);
ret = cudascale_filter_init(ctx, &s->filters_uv[pass_y],
ret = cudascale_filter_init(ctx, &s->filters_uv[s->pass_y],
src_size, dst_size, virtual_size);
if (ret < 0)
goto fail;
@@ -915,7 +916,7 @@ static int cudascale_scale(AVFilterContext *ctx, AVFrame *out, AVFrame *in)
goto fail;
const CUDATex *src = &in_tex;
if (s->use_filters) {
if (s->pass_x == FILTER_TMP) {
/* Handle first pass separately */
s->inter_tex.color_range = in->color_range;
ret = scalecuda_resize(ctx, FILTER_TMP, &s->inter_tex, src);